Patent US4543391A successfully refreshed from Google Patents.
US4543391A
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Polyphenylene ether compositions
Assignee: Asahi Kasei Corp
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Filing: 1981-11-19
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Granted: 1985-09-24
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Expires: 2001-11-19
Abstract
Abstract Polyphenylene ether compositions having enhanced commercial value as engineering resin, which are excellent in the appearance characteristics, such as surface gloss and weld part beauty, and stress crack resistance. The present resin composition is composed of a polyether resin (PPE) and a rubber reinforced high impact polystyrene (HIPS), if desired, together with a vinyl aromatic compound resin, wherein the PPE has specific characteristics with respect to the intrinsic viscosity, the eluting amount, and others.
Inventors
- 👤 Isao Kuribayashi
- 👤 Kunio Fukuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:35
CPC Classifications
C; C08; C08L; C08L51/00; C08L51/04; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/123
Claims Analysis
Total Claims: 93
Claim 1
Independent Claim
155 words
A resin composition which consists essentially of 20 to 80 wt. % of polyphenylene ether, consisting of a consituent unit (I) or constituent units (I) and (II) which are recurring units expressed by the general formulae: ##STR5## (wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are the same or different univalent residues selected from the group consisting of alkyl radical containing one to four carbons, excluding tertiary butyl radical, aryl radical, halogen and hydrogen, provided R 5 and R 6 should not be hydrogen at the same time), and 80 to 20 wt. % of rubber reinforced high impact polystyrene, wherein the polyphenylene ether employed has the intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80 and the eluting amount equivalent to polystyrene molecular weight of 3000 or less by gel permeation chromatography of not more than 5 wt. %.
Claim 2
Dependent Claim
155 words
A resin composition which consists essentially of 20 to 80 wt. % of polyphenylene ether, consisting of a consituent unit (I) or constituent units (I) and (II) which are recurring units expressed by the general formulae: ##STR5## (wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are the same or different univalent residues selected from the group consisting of alkyl radical containing one to four carbons, excluding tertiary butyl radical, aryl radical, halogen and hydrogen, provided R 5 and R 6 should not be hydrogen at the same time), and 80 to 20 wt. % of rubber reinforced high impact polystyrene, wherein the polyphenylene ether employed has the intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80 and the eluting amount equivalent to polystyrene molecular weight of 3000 or less by gel permeation chromatography of not more than 5 wt. %.
Claim 3
Dependent Claim
24 words
A resin composition according to claim 1 wherein the intrinsic viscosity (η) of the polyphenylene ether is in the range of 0.55 to 0.75.
Claim 4
Dependent Claim
156 words
A resin composition which consists essentially of 20 to 80 wt. % of polyphenylene ether, consisting of a constituent unit (I) or constituent units (I) and (II) which are recurring units expressed by the general formulae: ##STR6## (wherein R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 are the same or different univalent residues selected from the group consisting of alkyl radicals containing one to four carbons, excluding tertiary butyl radical, aryl radical, halogen and hydrogen, provided R 5 and R 6 should not by hydrogen at the same time), and 80 to 20 wt. % of rubber reinforced high impact polystyrene, wherein the polyphenylene ether employed has the intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80 and the eluting amount equivalent to polystyrene molecular weight of 10,000 or less by gel permeation chromatography of not more than 8 wt. %.
Claim 5
Dependent Claim
156 words
A resin composition which consists essentially of 20 to 80 wt. % of polyphenylene ether, consisting of a constituent unit (I) or constituent units (I) and (II) which are recurring units expressed by the general formulae: ##STR6## (wherein R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 are the same or different univalent residues selected from the group consisting of alkyl radicals containing one to four carbons, excluding tertiary butyl radical, aryl radical, halogen and hydrogen, provided R 5 and R 6 should not by hydrogen at the same time), and 80 to 20 wt. % of rubber reinforced high impact polystyrene, wherein the polyphenylene ether employed has the intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80 and the eluting amount equivalent to polystyrene molecular weight of 10,000 or less by gel permeation chromatography of not more than 8 wt. %.
Claim 6
Dependent Claim
34 words
A resin composition according to claim 3 wherein the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 10,000 or less of the polyphenylene ether is not more than 6 wt. %.
Claim 7
Dependent Claim
36 words
A resin composition according to any one of claims 1 to 3 wherein the composition is 25 to 70 wt. % of polyphenylene ether and 75 to 30 wt. % of rubber reinforced high impact polystyrene.
Claim 8
Dependent Claim
28 words
A resin composition according to one of claims 1 to 4 wherein the rubber content in the composition is in the range of 2.5 to 10 wt. %.
Claim 9
Dependent Claim
29 words
A resin composition according to any one of claims 1 to 4 wherein the rubber content in the composition is in the range of 3 to 8 wt. %.
Claim 10
Dependent Claim
24 words
A resin composition according to claim 5 wherein the rubber content in the composition is in the range of 2.5 to 10 wt. %.
Claim 11
Dependent Claim
24 words
A resin composition according to claim 5 wherein the rubber content in the composition is in the range of 3 to 8 wt. %.
Claim 12
Dependent Claim
100 words
A resin composition consisting essentially of 20 to 80 wt. % of poly (2,6-dimethyl-1,4-phenylene) ether and 80 to 20 wt. % rubber reinforced high impact polystyrene, wherein the poly(2,6-dimethyl-1,4-phenylene) ether consists of having an intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80, the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 3000 or less of not more than 5 wt. % and the isolating amount (after letting stand at 23° C. for 5 hours) from a dichloromethane solution containing 5 wt. % of the poly(2,6-dimethyl-1,4-phenylene) ether, of not less than 70%.
Claim 13
Dependent Claim
100 words
A resin composition consisting essentially of 20 to 80 wt. % of poly (2,6-dimethyl-1,4-phenylene) ether and 80 to 20 wt. % rubber reinforced high impact polystyrene, wherein the poly(2,6-dimethyl-1,4-phenylene) ether consists of having an intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80, the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 3000 or less of not more than 5 wt. % and the isolating amount (after letting stand at 23° C. for 5 hours) from a dichloromethane solution containing 5 wt. % of the poly(2,6-dimethyl-1,4-phenylene) ether, of not less than 70%.
Claim 14
Dependent Claim
24 words
A resin composition according to claim 10 wherein the intrinsic viscosity (η) of the poly(2,6-dimethyl-1,4-phenylene) ether is in the range of 0.60 to 0.75.
Claim 15
Dependent Claim
100 words
A resin composition consisting essentially of 20 to 80 wt. % of poly (2,6-dimethyl-1,4-phenylene) ether and 80 to 20 wt. % rubber reinforced high impact polystyrene, wherein the poly(2,6-dimethyl-1,4-phenylene) ether consists of having an intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80, the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 10,000 or less of not more than 8 wt. %, and the isolating amount (after letting stand at 23° C. for 5 hours) from a dichloromethane solution containing 5 wt. % of the poly(2,6-dimethyl-1,4-phenylene) ether of not less than 70%.
Claim 16
Dependent Claim
100 words
A resin composition consisting essentially of 20 to 80 wt. % of poly (2,6-dimethyl-1,4-phenylene) ether and 80 to 20 wt. % rubber reinforced high impact polystyrene, wherein the poly(2,6-dimethyl-1,4-phenylene) ether consists of having an intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80, the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 10,000 or less of not more than 8 wt. %, and the isolating amount (after letting stand at 23° C. for 5 hours) from a dichloromethane solution containing 5 wt. % of the poly(2,6-dimethyl-1,4-phenylene) ether of not less than 70%.
Claim 17
Dependent Claim
34 words
A resin composition according to claim 12 wherein the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 10,000 or less, of the poly(2,6-dimethyl-1,4-phenylene) ether, is not more than 6 wt. %.
Claim 18
Dependent Claim
42 words
A resin composition according to claim 10 wherein the isolating amount of the poly(2,6-dimethyl-1,4-phenylene) ether, after letting stand at 23° C. for 5 hours, from a dichloromethane solution containing 5 wt. % of the ether, is not less than 80 wt. %.
Claim 19
Dependent Claim
36 words
A resin composition according to any one of claims 10 to 14 wherein the composition is 25 to 70 wt. % of poly(2,6-dimethyl-1,4-phenylene) ether and 75 to 30 wt. % of rubber reinforced high impact polystyrene.
Claim 20
Dependent Claim
29 words
A resin composition according to any one of claims 10 to 14 wherein the rubber content in the composition is in the range of 2.5 to 10 wt. %.
Claim 21
Dependent Claim
29 words
A resin composition according to any one of claims 10 to 14 wherein the rubber content in the composition is in the range of 3 to 8 wt. %.
Claim 22
Dependent Claim
24 words
A resin composition according to claim 15 wherein the rubber content in the composition is in the range of 2.5 to 10 wt. %.
Claim 23
Dependent Claim
24 words
A resin composition according to claim 15 wherein the rubber content in the composition is in the range of 3 to 8 wt. %.
Claim 24
Dependent Claim
198 words
A resin composition which consist essentially of 20 to 80 wt. % of polyphenylene ether, consisting of a constituent unit (I) or constituent units (I) and (II) which are are recurring units expressed by the general formulae: ##STR7## (wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are the same of different univalent residues selected from the group consisting of alkyl radical containing one to four carbons, excluding tertiary butyl radical, aryl radical, halogen and hydrogen, provided R 5 and R 6 should not be hydrogen at the same time), and 80 to 20 wt. % of rubber reinforced high impact polystyrene, wherein the polyphenylene ether employed has the intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80 and the eluting amount equivalent to polystyrene molecular weight of 3000 or less by gel permeation chromatography of not more than 5 wt. %; and the rubber reinforced high impact polystyrene employed has the volume-average particle size (Rv) in elastomer phase, of 1.0 to 3.5 microns and the ratio of Rv to Rn (number-average particle size in the elastomer phase) (Rv/Rn), of not less than 3.0.
Claim 25
Dependent Claim
198 words
A resin composition which consist essentially of 20 to 80 wt. % of polyphenylene ether, consisting of a constituent unit (I) or constituent units (I) and (II) which are are recurring units expressed by the general formulae: ##STR7## (wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are the same of different univalent residues selected from the group consisting of alkyl radical containing one to four carbons, excluding tertiary butyl radical, aryl radical, halogen and hydrogen, provided R 5 and R 6 should not be hydrogen at the same time), and 80 to 20 wt. % of rubber reinforced high impact polystyrene, wherein the polyphenylene ether employed has the intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80 and the eluting amount equivalent to polystyrene molecular weight of 3000 or less by gel permeation chromatography of not more than 5 wt. %; and the rubber reinforced high impact polystyrene employed has the volume-average particle size (Rv) in elastomer phase, of 1.0 to 3.5 microns and the ratio of Rv to Rn (number-average particle size in the elastomer phase) (Rv/Rn), of not less than 3.0.
Claim 26
Dependent Claim
15 words
A resin composition according to claim 20 wherein the (Rv/Rn) is not less than 4.0.
Claim 27
Dependent Claim
34 words
A resin composition according to claim 20 or claim 21 wherein the composition is 25 to 70 wt. % of polyphenylene ether and 75 to 30 wt. % of rubber reinforced high impact polystyrene.
Claim 28
Dependent Claim
27 words
A resin composition according to claim 20 or claim 21 wherein the rubber content in the composition is in the range of 2.5 to 10 wt %.
Claim 29
Dependent Claim
27 words
A resin composition according to claim 20 or claim 21 wherein the rubber contact in the composition is in the range of 3 to 8 wt. %.
Claim 30
Dependent Claim
24 words
A resin composition according to claim 22 wherein the rubber content in the composition is in the range of 2.5 to 10 wt. %.
Claim 31
Dependent Claim
24 words
A resin composition according to claim 22 wherein the rubber content in the composition is in the range of 3 to 8 wt. %.
Claim 32
Dependent Claim
27 words
A resin composition according to claim 20 or claim 21 wherein the intrinsic viscosity (η) of the polyphenylene ether is in the range of 0.55 to 0.75.
Claim 33
Dependent Claim
24 words
A resin composition according to claim 22 wherein the intrinsic viscosity (η) of the polyphenylene ether is in the range of 0.55 to 0.75.
Claim 34
Dependent Claim
24 words
A resin composition according to claim 23 wherein the intrinsic viscosity (η) of the polyphenylene ether is in the range of 0.55 to 0.75.
Claim 35
Dependent Claim
24 words
A resin composition according to claim 24 wherein the intrinsic viscosity (η) of the polyphenylene ether is in the range of 0.55 to 0.75.
Claim 36
Dependent Claim
24 words
A resin composition according to claim 25 wherein the intrinsic viscosity (η) of the polypheylene ether is in the range of 0.55 to 0.75.
Claim 37
Dependent Claim
141 words
A resin composition consisting essentially of 20 to 80 wt. % of poly(2,6-dimethyl-1,4-phenylene) ether and 80 to 20 wt. % of rubber reinforced high impact polystyrene, wherein the poly(2,6-dimethyl-1,4-phenylene) ether consists of an intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80, the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 3000 or less of not more than 5%, and the isolating amount (after letting stand at 23° C. for 5 hours) from a dichloromethane solution containing 5 wt. % of the poly(2,6-dimethyl-1,4-phenylene) ether, of not less than 70 wt. %: and the rubber reinforced high impact polystyrene has the volume-average particle size (Rv) in the elastomer phase, of 1.0 to 3.5 microns and the ratio of Rv to Rn (number-average particle size in the elastomer phase (Rv/Rn) is not less than 3.0.
Claim 38
Dependent Claim
141 words
A resin composition consisting essentially of 20 to 80 wt. % of poly(2,6-dimethyl-1,4-phenylene) ether and 80 to 20 wt. % of rubber reinforced high impact polystyrene, wherein the poly(2,6-dimethyl-1,4-phenylene) ether consists of an intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80, the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 3000 or less of not more than 5%, and the isolating amount (after letting stand at 23° C. for 5 hours) from a dichloromethane solution containing 5 wt. % of the poly(2,6-dimethyl-1,4-phenylene) ether, of not less than 70 wt. %: and the rubber reinforced high impact polystyrene has the volume-average particle size (Rv) in the elastomer phase, of 1.0 to 3.5 microns and the ratio of Rv to Rn (number-average particle size in the elastomer phase (Rv/Rn) is not less than 3.0.
Claim 39
Dependent Claim
15 words
A resin composition according to claim 32 wherein the (Rv/Rn) is not less than 4.0.
Claim 40
Dependent Claim
34 words
A resin composition according to claim 32 or claim 33 wherein the composition is 25 to 70 wt. % of poly(2,6-dimethyl-1,4-phenylene) ether and 75 to 30 wt. % of rubber reinforced high impact polystyrene.
Claim 41
Dependent Claim
24 words
A resin composition according to claim 32 wherein the intrinsic viscosity (η) of the poly(2,6-dimethyl-1,4-phenylene) ether is in the range of 0.60 to 0.75.
Claim 42
Dependent Claim
39 words
A resin composition according to claim 32 wherein the isolating amount, after letting stand at 23° C. for 5 hours, from a dichloromethane solution containing 5 wt. % of the poly(2,6-dimethyl-1,4-phenylene) ether is not less than 80 wt. %.
Claim 43
Dependent Claim
27 words
A resin composition according to claim 32 or claim 33 wherein the rubber content in the composition is in the range of 2.5 to 10 wt. %.
Claim 44
Dependent Claim
24 words
A resin composition according to claim 34 wherein the rubber content in the composition is in the range of 2.5 to 10 wt. %.
Claim 45
Dependent Claim
26 words
A resin composition according to claims 35 or 36 wherein the rubber content in the composition is in the range of 2.5 to 10 wt. %.
Claim 46
Dependent Claim
27 words
A resin composition according to claim 32 or claim 33 wherein the rubber content in the composition is in the range of 3 to 7 wt. %.
Claim 47
Dependent Claim
24 words
A resin composition according to claim 34 wherein the rubber content in the composition is in the range of 3 to 7 wt. %.
Claim 48
Dependent Claim
26 words
A resin composition according to claims 35 or 36 wherein the rubber content in the composition is in the range of 3 to 7 wt. %.
Claim 49
Dependent Claim
162 words
A resin composition which consists essentially of 20 to 80 wt. % of polyphenylene ether, consisting of a constituent unit (I) or constituent units (I) and (II) which are recurring units expressed by the general formulae: ##STR8## (wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are the same or different univalent residues selected from the group consisting of alkyl radical containing one to four carbons, excluding tertiary butyl radical, aryl radical, halogen and hydrogen, provided R 5 and R 6 should not be hydrogen at the same time) and 80 to 20 wt. % of rubber reinforced high impact polystyrene together with a vinyl aromatic compound resin, wherein the polyphenylene either employed has the intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80 and the eluting amount equivalent to polystyrene molecular weight of 3000 or less by gel permeation chromatography of not more than 5 wt. %.
Claim 50
Dependent Claim
162 words
A resin composition which consists essentially of 20 to 80 wt. % of polyphenylene ether, consisting of a constituent unit (I) or constituent units (I) and (II) which are recurring units expressed by the general formulae: ##STR8## (wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are the same or different univalent residues selected from the group consisting of alkyl radical containing one to four carbons, excluding tertiary butyl radical, aryl radical, halogen and hydrogen, provided R 5 and R 6 should not be hydrogen at the same time) and 80 to 20 wt. % of rubber reinforced high impact polystyrene together with a vinyl aromatic compound resin, wherein the polyphenylene either employed has the intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80 and the eluting amount equivalent to polystyrene molecular weight of 3000 or less by gel permeation chromatography of not more than 5 wt. %.
Claim 51
Dependent Claim
24 words
A resin composition according to claim 43 wherein the intrinsic viscosity (η) of the polyphenylene ether is in the range of 0.55 to 0.75.
Claim 52
Dependent Claim
162 words
A resin composition which consists essentially of 20 to 80 wt. % of polyphenylene ether, consisting of a constituent unit (I) or constituent units (I) and (II) which are recurring units expressed by the general formulae: ##STR9## (wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are the same or different univalent residues selected from the group consisting of alkyl radical containing one to four carbons, excluding tertiary butyl radical, aryl radical, halogen and hydrogen, provided R 5 and R 6 should not be hydrogen at the same time) and 80 to 20 wt. % of rubber reinforced high impact polystyrene together with a vinyl aromatic compound resin, wherein the polyphenylene ether employed has the intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80 and the eluting amount equivalent to polystyrene molecular weight of 10,000 or less by gel permeation chromatography of not more than 8 wt. %.
Claim 53
Dependent Claim
162 words
A resin composition which consists essentially of 20 to 80 wt. % of polyphenylene ether, consisting of a constituent unit (I) or constituent units (I) and (II) which are recurring units expressed by the general formulae: ##STR9## (wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are the same or different univalent residues selected from the group consisting of alkyl radical containing one to four carbons, excluding tertiary butyl radical, aryl radical, halogen and hydrogen, provided R 5 and R 6 should not be hydrogen at the same time) and 80 to 20 wt. % of rubber reinforced high impact polystyrene together with a vinyl aromatic compound resin, wherein the polyphenylene ether employed has the intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80 and the eluting amount equivalent to polystyrene molecular weight of 10,000 or less by gel permeation chromatography of not more than 8 wt. %.
Claim 54
Dependent Claim
33 words
A resin composition according to claim 45 wherein the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 10,000 or less, of polyphenylene ether is not more than 6 wt. %.
Claim 55
Dependent Claim
68 words
A resin composition according to claim 45 wherein the vinyl aromatic compound resin is a polymer selected from the group consisting of one or more vinyl aromatic compounds; or a copolymer of a vinyl aromatic compound and a compound copolymerizable with the vinyl aromatic compound selected from the group consisting of acrylonitrile, methyl methacrylate, acrylate ester, and α,β-unsaturated carboxylic acid anhydride, and imide compound of α,β-unsaturated carboxylic acid.
Claim 56
Dependent Claim
37 words
A resin composition according to claim 47 wherein the α,β-unsaturated carboxylic acid anhydride copolymerized with the vinyl aromatic compound is selected from the group consisting of maleic anhydride, chloromaleic anhydride, citraconic anhydride, butenylsuccinic anhydride, and tetrahydrophthalic anhydride.
Claim 57
Dependent Claim
60 words
A resin composition according to claim 47 wherein the imide compound of α,β-unsaturated carboxylic acid, copolymerized with the vinyl aromatic compound is that expressed by the general formula: ##STR10## (wherein R 7 , R 8 and R 9 are selected from the group consisting of hydrogen atom, alkyl radical, arkenyl radical, cycloalkyl radical, phenyl radical, phenylene radical, and alkylene radical).
Claim 58
Dependent Claim
34 words
A resin composition according to claim 49 wherein the imide compound of α,β-unsaturated carboxylic acid is selected from the group consisting of maleimide, N-methylmaleimide, N-cyclohexymaleimide, N-butylmaleimide, N-phenylmaleimide, N-(p-methylphenyl)maleimide, N-(3,5-dimethylphenyl)maleimide, N-(p-methoxyphenyl)maleimide, N-benzylmadeimide, and N-(1-naphthyl) maleimide.
Claim 59
Dependent Claim
109 words
A resin composition consisting essentially of 20 to 80 wt. % of poly(2,6-dimethyl-1,4-phenylene) ether and 80 to 20 wt. % of rubber reinforced high impact polystyrene, together with a vinyl aromatic compound resin, which comprises that the poly(2,6-dimethyl-1,4-phenylene) ether consists of an intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80, the gel permeation chromatography eluting amount equivalent polystyrene molecular weight of 3000 or less of not more than 5 wt. %, and the isolating amount (after letting stand at 23° C. for 5 hours) from a dichloromethane solution containing 5 wt. % of the poly(2,6-dimethyl-1,4-phenylene) ether, of not less than 70 wt. %.
Claim 60
Dependent Claim
109 words
A resin composition consisting essentially of 20 to 80 wt. % of poly(2,6-dimethyl-1,4-phenylene) ether and 80 to 20 wt. % of rubber reinforced high impact polystyrene, together with a vinyl aromatic compound resin, which comprises that the poly(2,6-dimethyl-1,4-phenylene) ether consists of an intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80, the gel permeation chromatography eluting amount equivalent polystyrene molecular weight of 3000 or less of not more than 5 wt. %, and the isolating amount (after letting stand at 23° C. for 5 hours) from a dichloromethane solution containing 5 wt. % of the poly(2,6-dimethyl-1,4-phenylene) ether, of not less than 70 wt. %.
Claim 61
Dependent Claim
24 words
A resin composition according to claim 51 wherein the intrinsic viscosity (η) of the poly(2,6-dimethyl-1,4-phenylene) ether is in the range of 0.60 to 0.75.
Claim 62
Dependent Claim
104 words
A resin composition consist essentially of 20 to 80 wt. % of poly(2,6-dimethyl-1,4-phenylene) ether and 80 to 20 wt. % of rubber reinforced high impact polystyrene, together with a vinyl aromatic compound resin, wherein the poly(2,6-dimethyl-1,4-phenylene) ether consist of having an intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80, the gel permeation chromatography eluting amount equivalent polystyrene molecular weight of 10,000 or less, of not more than 8 wt. %, and the isolating amount (after letting stand at 23° C. for 5 hours) from a dichloromethane solution containing 5 wt. % of not less than 70 wt. %.
Claim 63
Dependent Claim
104 words
A resin composition consist essentially of 20 to 80 wt. % of poly(2,6-dimethyl-1,4-phenylene) ether and 80 to 20 wt. % of rubber reinforced high impact polystyrene, together with a vinyl aromatic compound resin, wherein the poly(2,6-dimethyl-1,4-phenylene) ether consist of having an intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80, the gel permeation chromatography eluting amount equivalent polystyrene molecular weight of 10,000 or less, of not more than 8 wt. %, and the isolating amount (after letting stand at 23° C. for 5 hours) from a dichloromethane solution containing 5 wt. % of not less than 70 wt. %.
Claim 64
Dependent Claim
34 words
A resin composition according to claim 51 wherein the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 10,000 or less, of the poly(2,6-dimethyl-1,4-phenylene) ether is not less than 6 wt. %.
Claim 65
Dependent Claim
39 words
A resin composition according to claim 51 wherein the isolating amount (after letting stand at 23° C. for 5 hours) from a dichloromethane solution containing 5 wt. % of the poly(2,6-dimethyl-1,4-phenylene) ether is not less than 80 wt. %.
Claim 66
Dependent Claim
66 words
A resin composition according to claim 51 wherein the vinyl aromatic compound is a polymer selected from the group consisting of one or more vinyl aromatic compounds, or a copolmer of a vinyl aromatic compound and a compound copolymerizable with the vinyl aromatic compound selected from the group consisting of acrylonitrile, methyl acrylate, acrylate ester α,β-unaturated carboxylic acid anhydride, and imide compound of α,β-unsaturated carboxylic acid.
Claim 67
Dependent Claim
37 words
A resin composition according to claim 56 wherein the α,β-unsaturated carboxylic acid anhydride copolymerized with the vinyl aromatic compound is selected from the group consisting of maleic anhydride, chloromaleic anhydride, citraconic anhydride, butenylsuccinic anhydride, and tetrahydrophthalic anhydride.
Claim 68
Dependent Claim
60 words
A resin composition according to claim 56 wherein the imide compound of α,β-unsaturated carboxylic acid, copolymerizable with the vinyl aromatic compound is that expressed by the general formula: ##STR11## (wherein R 7 , R 8 and R 9 are selected from the group consisting of hydrogen atom, alkyl radical, arkenyl radical, cycloalkyl radical, phenyl radical, phenylene radical, or alkenyl radical).
Claim 69
Dependent Claim
33 words
A resin composition according to claim 58 wherein the imide compound of α,β-unsaturated carboxylic acid is selected from the group consisting of maleimide, N-methylmaleimide, N-cyclohexylmaleimide, N-butylmaleimide, N-phenylmaleimide, N-(p-methylphenyl)maleimide, N-(3,5-dimethylphenyl)maleimide, N-(p-methoxyphenyl)maleimide, N-benzylmaleimide, and N-(1-naphthyl)maleimide.
Claim 70
Dependent Claim
24 words
A resin composition according to claim 51 wherein the rubber content in the composition is in the range of 2.5 to 10 wt. %.
Claim 71
Dependent Claim
24 words
A resin composition according to claim 51 wherein the rubber content in the composition is in the range of 3 to 8 wt. %.
Claim 72
Dependent Claim
24 words
A resin composition according to claim 26 wherein the intrinsic viscosity (η) of the polyphenylene ether is in the range of 0.55 to 0.75.
Claim 73
Dependent Claim
196 words
A resin composition which consists essentially of 20 to 80 wt. % of polypheylene ether, consisting of a constituent unit (I) or constituent units (I) and (II) which are recurring units expressed by the general formulae: ##STR12## (wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are the same or different univalent residues selected from the group consisting of alkyl radical containing one to four carbons, excluding tertiary butyl radical, aryl radicals, halogen and hydrogen, provided R 5 and R 6 should not be hydrogen at the same time), and 80 to 20 wt. % of rubber reinforced high impact polystyrene, wherein the polyphenylene ether employed has the intrinsic viscosity (η) (30° C., chloroform solution) in the range 0.50 to 0.80 and the eluting amount equivalent to polystyrene molecular weight of 10,000 or less by gel permeation chromatography of not more than 8 wt. %; and the rubber reinforced high impact polystyrene employed has the volume-average particle size (Rv) in elastomer phase, of 1.0 to 3.5 microns and the ratio of Rv to Rn (number-average particle size in the elastomer phase) (Rv/Rn), of not less than 3.0.
Claim 74
Dependent Claim
196 words
A resin composition which consists essentially of 20 to 80 wt. % of polypheylene ether, consisting of a constituent unit (I) or constituent units (I) and (II) which are recurring units expressed by the general formulae: ##STR12## (wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are the same or different univalent residues selected from the group consisting of alkyl radical containing one to four carbons, excluding tertiary butyl radical, aryl radicals, halogen and hydrogen, provided R 5 and R 6 should not be hydrogen at the same time), and 80 to 20 wt. % of rubber reinforced high impact polystyrene, wherein the polyphenylene ether employed has the intrinsic viscosity (η) (30° C., chloroform solution) in the range 0.50 to 0.80 and the eluting amount equivalent to polystyrene molecular weight of 10,000 or less by gel permeation chromatography of not more than 8 wt. %; and the rubber reinforced high impact polystyrene employed has the volume-average particle size (Rv) in elastomer phase, of 1.0 to 3.5 microns and the ratio of Rv to Rn (number-average particle size in the elastomer phase) (Rv/Rn), of not less than 3.0.
Claim 75
Dependent Claim
15 words
A resin composition according to claim 63 wherein the (Rv/Rn) is not less than 4.0.
Claim 76
Dependent Claim
34 words
A resin composition according to claim 63 or claim 64 wherein the composition is 25 to 70 wt. % of polyphenylene ether and 75 to 30 wt. % of rubber reinforced high impact polystyrene.
Claim 77
Dependent Claim
27 words
A resin composition according to claim 63 or claim 64 wherein the rubber content in the composition is in the range of 2.5 to 10 wt. %.
Claim 78
Dependent Claim
27 words
A resin composition according to claim 63 or claim 64 wherein the rubber content in the composition is in the range of 3 to 8 wt. %.
Claim 79
Dependent Claim
27 words
A resin composition according to claim 63 or claim 64 wherein the intrinsic viscosity (η) of the polyphenylene ether is in the range of 0.55 to 0.75.
Claim 80
Dependent Claim
37 words
A resin composition according to claim 63 or claim 64 wherein the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 10,000 or less, of the polyphenylene ether is not more than 6 wt. %.
Claim 81
Dependent Claim
24 words
A resin composition according to claim 65 wherein the rubber content in the composition is in the range of 2.5 to 10 wt. %.
Claim 82
Dependent Claim
34 words
A resin composition according to claim 70 wherein the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 10,000 or less, of the polyphenylene ether is not more than 6 wt. %.
Claim 83
Dependent Claim
30 words
A resin composition according to claim 65 wherein the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 10,000 or less, is not more than 6 wt. %.
Claim 84
Dependent Claim
25 words
A resin composition according to claim 65 wherein the rubber content in the composition is in the range of 3 to 8 wt. % .
Claim 85
Dependent Claim
33 words
A resin composition according to claim 73 wherein the gel permeation eluting amount equivalent to polystyrene molecular weight of 10,000 or less, of the polyphenylene ether is not more than 6 wt. %.
Claim 86
Dependent Claim
34 words
A resin composition according to claim 60 wherein the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 10,000 or less, of the polyphenylene ether is not more than 6 wt. %.
Claim 87
Dependent Claim
34 words
A resin composition according to claim 67 wherein the gel permeation chromotography eluting amount equivalent to polystyrene molecular weight of 10,000 or less, of the polyphenylene ether is not more than 6 wt. %.
Claim 88
Dependent Claim
34 words
A resin composition according to claim 68 wherein the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 10,000 or less, of the polyphenylene ether is not more than 6 wt. %.
Claim 89
Dependent Claim
142 words
A resin composition consisting essentially of 20 to 80 wt. % of poly(2,6-dimethyl-1,4-phenylene) ether and 80 to 20 wt. % of rubber reinforced high impact polystyrene, wherein the poly(2,6-dimethyl-1,4-phenylene) ether consist of having an intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80, the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 10,000 or less of not more than 8%, and the isolating amount (after letting stand at 23° C. for 5 hours) from a dichloromethane solution containing 5 wt. % of the poly(2,6-dimethyl-1,4-phenylene) ether, of not less than 70 wt. %, and the rubber reinforced high impact polystyrene has the volumn-average particle size (Rv) in the elastomer phase, of 1.0 to 3.5 microns and the ratio of Rv to Rn (number-average particle size in the elastomer phase (Rv/Rn) is not less than 3.0.
Claim 90
Dependent Claim
142 words
A resin composition consisting essentially of 20 to 80 wt. % of poly(2,6-dimethyl-1,4-phenylene) ether and 80 to 20 wt. % of rubber reinforced high impact polystyrene, wherein the poly(2,6-dimethyl-1,4-phenylene) ether consist of having an intrinsic viscosity (η) (30° C., chloroform solution) in the range of 0.50 to 0.80, the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 10,000 or less of not more than 8%, and the isolating amount (after letting stand at 23° C. for 5 hours) from a dichloromethane solution containing 5 wt. % of the poly(2,6-dimethyl-1,4-phenylene) ether, of not less than 70 wt. %, and the rubber reinforced high impact polystyrene has the volumn-average particle size (Rv) in the elastomer phase, of 1.0 to 3.5 microns and the ratio of Rv to Rn (number-average particle size in the elastomer phase (Rv/Rn) is not less than 3.0.
Claim 91
Dependent Claim
33 words
A resin composition according to claim 78 wherein the gel permeation chromatography eluting amount equivalent to polystyrene molecular weight of 10,000 or less, of poly(2,6-dimethyl-1,4-phenylene) ether is not more than 6 wt. %.
Claim 92
Dependent Claim
26 words
A resin composition according to claims 78 or 79 wherein the rubber content in the composition is in the range of 2.5 to 10 wt. %.
Claim 93
Dependent Claim
26 words
A resin composition according to claims 78 or 79 wherein the rubber content in the composition is in the range of 3 to 7 wt. %.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-09-23 | 1989-03-25 | 1989-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-09-23 | 1993-03-25 | 1993-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-09-23 | 1997-03-25 | 1997-09-24 | $7700.00 | Window Closed / Lapsed |