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US4888397A
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Functionalized polyphenylene ether from polyphenylene ether chain terminated with phenoxy moiety containing amino and hydroxy group
Assignee: General Electric Co
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Filing: 1989-02-24
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Granted: 1989-12-19
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Expires: 2009-02-24
Abstract
Abstract Functionalized polyphenylene ethers are prepared by mixing with various functionalized olefinic or acetylenic compounds in the melt, in the absence of free radical initiator. They are useful in the preparation of compositions comprising polyphenylene ethers and polyamides or polyesters.
Inventors
- 👤 Roelof van der Meer
- 👤 John B. Yates, III
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:53
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/34; C08G65/48; C08L; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/126; C08K; C08K5/00; C08L67/00; C08L77/00
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
157 words
A method for functionalizing a polyphenylene ether containing a substantial proportions of end groups of the formula ##STR7## wherein: each Q 1 is independently halogen, primary or secondary lower alkyl, phenyl, haloalkyl, aminoalkyl, hydrocarbonoxy, or halohydrocarbonoxy wherein at least two carbon atoms separate the halogen and oxygen atoms; each Q 2 is independently hydrogen, halogen, primary or secondary lower alkyl, phenyl, haloalkyl, hydrocarbonoxy or halohydrocarbonoxy as defined for Q 1 ; each R 1 is independently hydrogen or alkyl, the total number of carbon atoms in both R 1 radicals being 6 or less; and each R 2 is independently hydrogen or C 1-6 primary alkyl; which comprises mixing said polyphenylene ether in the melt, in the absence of free radical initiators, with at least one functionalizing compound having within its molecular structure at least one carbon-carbon double or triple bond and at least one carboxylic acid, acid anhydride, acid amide, imide, ester, amino or hydroxy group.
Claim 2
Independent Claim
157 words
A method for functionalizing a polyphenylene ether containing a substantial proportions of end groups of the formula ##STR7## wherein: each Q 1 is independently halogen, primary or secondary lower alkyl, phenyl, haloalkyl, aminoalkyl, hydrocarbonoxy, or halohydrocarbonoxy wherein at least two carbon atoms separate the halogen and oxygen atoms; each Q 2 is independently hydrogen, halogen, primary or secondary lower alkyl, phenyl, haloalkyl, hydrocarbonoxy or halohydrocarbonoxy as defined for Q 1 ; each R 1 is independently hydrogen or alkyl, the total number of carbon atoms in both R 1 radicals being 6 or less; and each R 2 is independently hydrogen or C 1-6 primary alkyl; which comprises mixing said polyphenylene ether in the melt, in the absence of free radical initiators, with at least one functionalizing compound having within its molecular structure at least one carbon-carbon double or triple bond and at least one carboxylic acid, acid anhydride, acid amide, imide, ester, amino or hydroxy group.
Claim 3
Dependent Claim
20 words
A method according to claim 1 wherein the polyphenylene ether comprises a plurality of structural units having the formula ##STR8##
Claim 4
Dependent Claim
19 words
A method according to claim 2 wherein the mixture also contains an impact modifying resin for polyphenylene ether-polyamide compositions.
Claim 5
Dependent Claim
18 words
A method according to claim 2 wherein the mixture also contains a styrene homopolymer or high impact polystyrene.
Claim 6
Dependent Claim
18 words
A method according to claim 3 wherein the functionalizing compound is maleic anhydride, a maleimide or fumaric acid.
Claim 7
Dependent Claim
14 words
A method according to claim 3 wherein the polyphenylene ether is a poly(2,6-dimethyl-1,4-phenylene ether).
Claim 8
Dependent Claim
13 words
A method according to claim 6 wherein the functionalizing compound is maleic anhydride.
Claim 9
Dependent Claim
13 words
A method according to claim 6 wherein the functionalizing compound is fumaric acid.
Claim 10
Dependent Claim
57 words
A method according to claim 6 wherein the impact modifying resin is a diblock or triblock copolymer of styrene and at least one olefin or conjugated diene, any conjugated diene block being non-hydrogenated or partially or entirely hydrogenated, and is present in an amount up to about 50 parts by weight per 100 parts of polyphenylene ether.
Claim 11
Dependent Claim
19 words
A method according to claim 6 wherein the temperature of mixing is within the range of about 230°-390° C.
Claim 12
Dependent Claim
11 words
A functionalized polyphenylene ether prepared by the method of claim 1.
Claim 13
Dependent Claim
11 words
A functionalized polyphenylene ether prepared by the method of claim 6.
Claim 14
Dependent Claim
11 words
A functionalized polyphenylene ether prepared by the method of claim 8.
Claim 15
Independent Claim
221 words
A method for preparing a polyphenylene ether-polyamide composition which comprises: (A) mixing in the melt, in the absence of free radical initiators, at least a portion of a polyphenylene ether containing a substantial proportion of end groups of the formula ##STR9## wherein: each Q 1 is independently halogen, primary or secondary lower alkyl, phenyl, haloalkyl, aminoalkyl, hydrocarbonoxy, or halohydrocarbonoxy wherein at least two carbon atoms separate the halogen and oxygen atoms; each Q 2 is independently hydrogen, halogen, primary or secondary lower alkyl, phenyl, haloalkyl, hydrocarbonoxy or halohydrocarbonoxy as defined for Q 1 ; each R 1 is independently hydrogen or alkyl, the total number of carbon atoms in both R 1 radicals being 6 or less; and each R 2 is independently hydrogen or C 1-6 primary alkyl; with at least one functionalizing compound having within its molecular structure at least one carbon-carbon double or triple bond and at least one carboxylic acid, acid anhydride, acid amide, imide, ester, amino or hydroxy group, thereby producing a functionalized polyphenylene ether; and subsequently (B) melt-blending said functionalized polyphenylene ether with any additional unfunctionalized portion of said polyphenylene ether and with at least one polyamide; with the proviso that there is also blended into said composition at least one of styrene homopolymers, high impact polystyrenes and impact modifying resins for polyphenylene ether-polyamide compositions.
Claim 16
Independent Claim
221 words
A method for preparing a polyphenylene ether-polyamide composition which comprises: (A) mixing in the melt, in the absence of free radical initiators, at least a portion of a polyphenylene ether containing a substantial proportion of end groups of the formula ##STR9## wherein: each Q 1 is independently halogen, primary or secondary lower alkyl, phenyl, haloalkyl, aminoalkyl, hydrocarbonoxy, or halohydrocarbonoxy wherein at least two carbon atoms separate the halogen and oxygen atoms; each Q 2 is independently hydrogen, halogen, primary or secondary lower alkyl, phenyl, haloalkyl, hydrocarbonoxy or halohydrocarbonoxy as defined for Q 1 ; each R 1 is independently hydrogen or alkyl, the total number of carbon atoms in both R 1 radicals being 6 or less; and each R 2 is independently hydrogen or C 1-6 primary alkyl; with at least one functionalizing compound having within its molecular structure at least one carbon-carbon double or triple bond and at least one carboxylic acid, acid anhydride, acid amide, imide, ester, amino or hydroxy group, thereby producing a functionalized polyphenylene ether; and subsequently (B) melt-blending said functionalized polyphenylene ether with any additional unfunctionalized portion of said polyphenylene ether and with at least one polyamide; with the proviso that there is also blended into said composition at least one of styrene homopolymers, high impact polystyrenes and impact modifying resins for polyphenylene ether-polyamide compositions.
Claim 17
Dependent Claim
87 words
A method according to claim 14 wherein the polyamide is nylon-6 or nylon-66 and the polyphenylene ether comprises a plurality of structural units having the formula ##STR10## and in each of said units independently, each Q 1 is independently halogen, primary or secondary lower alkyl, phenyl, haloalkyl, aminoalkyl, hydrocarbonoxy, or halohydrocarbonoxy wherein at least two carbon atoms separate the halogen and oxygen atoms; and each Q 2 is independently hydrogen, halogen, primary or secondary lower alkyl, phenyl, haloalkyl, hydrocarbonoxy or halohydrocarbonoxy as defined for Q 1 .
Claim 18
Dependent Claim
19 words
A method according to claim 15 wherein the impact modifying resin is blended into the composition during step A.
Claim 19
Dependent Claim
18 words
A method according to claim 16 wherein the functionalizing compound is maleic anhydride, a maleimide or fumaric acid.
Claim 20
Dependent Claim
14 words
A method according to claim 16 wherein the polyphenylene ether is a poly(2,6-dimethyl-1,4-phenylene ether).
Claim 21
Dependent Claim
24 words
A method according to claim 18 wherein up to about 90% by weight of the total polyphenylene oxide blended into the composition is unfunctionalized.
Claim 22
Dependent Claim
13 words
A method according to claim 18 wherein the functionalizing compound is maleic anhydride.
Claim 23
Dependent Claim
13 words
A method according to claim 18 wherein the functionalizing compound is fumaric acid.
Claim 24
Dependent Claim
57 words
A method according to claim 18 wherein the impact modifying resin is a diblock or triblock copolymer of styrene and at least one olefin or conjugated diene, any conjugated diene block being non-hydrogenated or partially or entirely hydrogenated, and is present in an amount up to about 50 parts by weight per 100 parts of polyphenylene ether.
Claim 25
Dependent Claim
20 words
A method according to claim 18 wherein the temperature of step A is within the range of about 230°-390° C.
Claim 26
Dependent Claim
11 words
A method according to claim 18 wherein the polyamide is nylon-66.
Claim 27
Dependent Claim
11 words
A polyphenylene ether-polyamide composition prepared by the method of claim 14.
Claim 28
Dependent Claim
11 words
A polyphenylene ether-polyamide composition prepared by the method of claim 18.
Claim 29
Dependent Claim
11 words
A polyphenylene ether-polyamide composition prepared by the method of claim 21.
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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) | 1992-12-18 | 1993-06-19 | 1993-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-12-18 | 1997-06-19 | 1997-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-12-18 | 2001-06-19 | 2001-12-19 | $7700.00 | Window Closed / Lapsed |