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US3983090A Expired / Lapsed US ⏱️ 0.0 years remaining

Composition of a polyphenylene ether and styrene resin and an acrylic resin in combination with a diene rubber-container resin

Assignee: General Electric Co
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Filing: 1974-05-17
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Granted: 1976-09-28
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Expires: 1994-05-17
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Abstract

Abstract There are provided compositions comprising a polyphenylene ether and an acrylic resin in combination with a diene rubber-containing resin, the compositions optionally containing a styrene resin. Illustratively, the addition of an acrylic resin modified butadiene rubber-acrylonitrile-styrene resin to polyphenylene ethers or mixtures of polyphenylene ethers and polystyrenes provides unexpected improvements in toughness in parts molded from the compositions, and in their resistance to gasoline. Such properties are improved without substantially impairing gloss or surface appearance.

Inventors

  • 👤 Visvaldis Abolins
  • 👤 Donald L. Reinhard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 07:45
CPC Classifications
C; C08; C08L; C08L51/00; C08L51/003; C08L51/04; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/123; Y; Y10; Y10S; Y10S525/00; Y10S525/942

Claims Analysis

Total Claims: 35
Claim 1
Independent Claim 33 words
A normally rigid thermoplastic composition comprising a. a composition comprising a polyphenylene ether resin and a styrene resin and b. a resinous composition comprising a polymerized acrylic monomer and a polymerized diene rubber.
Claim 2
Dependent Claim 33 words
A normally rigid thermoplastic composition comprising a. a composition comprising a polyphenylene ether resin and a styrene resin and b. a resinous composition comprising a polymerized acrylic monomer and a polymerized diene rubber.
Claim 3
Dependent Claim 36 words
A composition as defined in claim 1 wherein component (b) is a resinous composition comprising a polymerized acrylic monomer and the polymerization product of a polymerized diene rubber, an alkenyl cyanide and a vinyl aromatic compound.
Claim 4
Dependent Claim 15 words
A reinforced composition as defined in claim 1 including a reinforcing amount of fibrous glass.
Claim 5
Dependent Claim 135 words
A composition as defined in claim 1 wherein the polyphenylene either of component (a) is characterized by the formula: ##SPC3## wherein the oxygen ether atom of one unit is connected to the benzene nucleus of the next adjoining unit; n is an integer of at least 50; and each Q is a monovalent substituent selected from hydrogen, halogen, hydrocarbon radicals, halohydrocarbon radicals having at least two carbon atoms between the halogen atom and the phenyl nucleus, hydrocarbonoxy radicals, and halohydrocarbonoxy radicals having at least two carbon atoms between the halogen atom and the phenyl nucleus, and wherein component (b) is (i) an interpolymer of methyl methacrylate with a graft terpolymer of styrene, acrylonitrile and a diene rubber or (ii) a blend of poly(methyl methacrylate and a graft terpolymer of styrene, acrylonitrile and a diene rubber.
Claim 6
Dependent Claim 42 words
A composition as defined in claim 4 wherein component (b) contains from about 20 to about 50% by weight of poly (methyl methacrylate) and from about 80 to about 50% by weight of a graft copolymer of acrylonitrile, diene rubber and styrene.
Claim 7
Dependent Claim 40 words
A composition as defined in claim 5 wherein the graft copolymer includes from about 40 to 90% by weight of grafted acrylonitrile and styrene and from 60 to 10% by weight of a polybutadiene or rubbery butadiene styrene copolymer backbone.
Claim 8
Dependent Claim 35 words
A composition as defined in claim 5 wherein the component (b) contains about 20 to 25% methyl methacrylate units, 5 to 10% acrylonitrile units, 30 to 40% butadiene units and 30 to 40% styrene units.
Claim 9
Dependent Claim 71 words
A normally rigid thermoplastic composition comprising a. a composition comprising a polyphenylene ether resin and a styrene resin and b. a resinous composition comprising a poly(alkyl methacrylate) and the polymerization product of a mixture of a polymerized diene rubber, and alkenyl cyanide and a vinyl aromatic compound, component (b) being present in an amount of from about 10 to about 80% by weight of the total resinous components of the composition.
Claim 10
Dependent Claim 71 words
A normally rigid thermoplastic composition comprising a. a composition comprising a polyphenylene ether resin and a styrene resin and b. a resinous composition comprising a poly(alkyl methacrylate) and the polymerization product of a mixture of a polymerized diene rubber, and alkenyl cyanide and a vinyl aromatic compound, component (b) being present in an amount of from about 10 to about 80% by weight of the total resinous components of the composition.
Claim 11
Dependent Claim 95 words
A composition as defined in claim 8 wherein the polyphenylene ether of component (a) is characterized by the formula ##SPC4## wherein the oxygen ether atom of one unit is connected to the benzene nucleus of the next adjoining unit; n is an integer of at least 50; and each Q is a monovalent substituent selected from hydrogen, halogen, hydrocarbon radicals, halohydrocarbon radicals having at least two carbon atoms between the halogen atom and the phenyl nucleus, hydrocarbonoxy radicals, and halohydrocarbonoxy radicals having at least two carbon atoms between the halogen atom and the phenyl nucleus.
Claim 12
Dependent Claim 19 words
A composition as defined in claim 9 wherein each Q is alkyl having from 1 to 4 carbon atoms.
Claim 13
Dependent Claim 12 words
A composition as defined in claim 9 wherein each Q is methyl.
Claim 14
Dependent Claim 25 words
A composition as defined in claim 9 wherein said polyphenylene ether comprises at least 1% by weight of the total resinous components in said composition.
Claim 15
Dependent Claim 45 words
A composition as defined in claim 9 wherein component (b) is (i) an interpolymer of methyl methacrylate with a graft terpolymer of styrene, acrylonitrile and a diene rubber, or (ii) a blend of poly(methylmethacrylate) and a graft terpolymer of styrene, acrylonitrile and a diene rubber.
Claim 16
Dependent Claim 41 words
A composition as defined in claim 13 wherein component (b) contains from about 20 to about 50% by weight of poly(methyl methacrylate) and from about 80 to about 50% by weight of a graft copolymer of acrylonitrile, diene rubber and styrene.
Claim 17
Dependent Claim 40 words
A composition as defined in claim 14 wherein the graft copolymer includes from about 40 to 90% by weight of grafted acrylonitrile and styrene and from 60 to 10% by weight of a polybutadiene or rubbery butadiene styrene copolymer backbone.
Claim 18
Dependent Claim 34 words
A composition as defined in claim 14 wherein component (b) contains about 20 to 25% methyl methacrylate units, 5 to 10% acrylonitrile units, 30 to 40% butadiene units and 30 to 40% styrene units.
Claim 19
Dependent Claim 113 words
A composition as defined in claim 8 wherein component (a) comprises i. from 1 to 99% by weight of a polyphenylene ether of the formula ##SPC5## wherein Q is alkyl of from 1 to 4 carbon atoms and n is an integer of at least 50 and ii. from 99 to 1% by weight of a styrene resin having at least 25% of the polymer units derived from a vinyl aromatic compound of the formula ##SPC6## wherein R is hydrogen, alkyl of from 1 to 4 carbon atoms or halogen, Z is hydrogen, alkyl of from 1 to 4 carbon atoms or vinyl and p is an integer of from 1 to 5.
Claim 20
Dependent Claim 44 words
A composition as defined in claim 17 wherein the styrene resin is a rubber modified styrene resin, said rubber comprising a diene rubber or a rubbery copolymer of butadiene and styrene in an amount of from about 4 to about 12% of said resin.
Claim 21
Dependent Claim 13 words
A composition as defined in claim 17 wherein the polyphenylene ether is poly(2,6-dimethyl-1,4-phenylene)ether.
Claim 22
Dependent Claim 31 words
A composition as defined in claim 8 wherein the polyphenylene ether comprises from about 1 to about 90% by weight of the total weight of the resinous components in said composition.
Claim 23
Dependent Claim 76 words
A composition as defined in claim 20 wherein said polyphenylene ether is poly(2,6-dimethyl-1,4-phenylene)ether and comprises from about 20 to about 90% by weight, component (b) is a composition of poly(methyl methacrylate), polybutadiene and grafted styrene and acrylonitrile and comprises from about 10 to about 80% by weight and the styrene resin component is a rubber modified polystyrene and comprises up to about 60% by weight of the total weight of the resinous components in said composition.
Claim 24
Dependent Claim 164 words
A normally rigid thermoplastic composition comprising: a. a composition comprising a polyphenylene ether resin and a styrene resin, wherein component (a) comprises: i. from 1 to 99% by weight of a polyphenylene ether and ii. from 99 to 1% by weight of a styrene resin having at least 25% of the polymer units derived from a vinyl aromatic compound of the formula: ##SPC7## wherein R is hydrogen, alkyl of from 1 to 4 carbon atoms or halogen, Z is hydrogen, alkyl of from 1 to 4 carbon atoms or vinyl and p is an integer of from 1 to 5; and b. a resinous composition comprising a component being (i) an interpolymer of methyl methacrylate with a graft terpolymer of styrene, acrylonitrile and butadiene rubber, or (ii) a blend of poly(methyl methacrylate) and a graft terpolymer of styrene, acrylonitrile and butadiene rubber, component (b) being in an amount of from 10 to about 80% by weight of the total resinous components of the composition.
Claim 25
Dependent Claim 164 words
A normally rigid thermoplastic composition comprising: a. a composition comprising a polyphenylene ether resin and a styrene resin, wherein component (a) comprises: i. from 1 to 99% by weight of a polyphenylene ether and ii. from 99 to 1% by weight of a styrene resin having at least 25% of the polymer units derived from a vinyl aromatic compound of the formula: ##SPC7## wherein R is hydrogen, alkyl of from 1 to 4 carbon atoms or halogen, Z is hydrogen, alkyl of from 1 to 4 carbon atoms or vinyl and p is an integer of from 1 to 5; and b. a resinous composition comprising a component being (i) an interpolymer of methyl methacrylate with a graft terpolymer of styrene, acrylonitrile and butadiene rubber, or (ii) a blend of poly(methyl methacrylate) and a graft terpolymer of styrene, acrylonitrile and butadiene rubber, component (b) being in an amount of from 10 to about 80% by weight of the total resinous components of the composition.
Claim 26
Dependent Claim 87 words
A composition as defined in claim 22 wherein the polyphenylene ether of component (a) is characterized by the formula: ##SPC8## wherein the oxygen ether atom of one unit is connected to the benzene nucleus of the next adjoining unit; n is an integer of at least 50; and each Q is a monovalent substituent selected from hydrogen, halogen, hydrocarbon radicals, halohydrocarbon radicals having at least two carbon atoms between the halogen atom and the phenyl nucleus, hydrocarbonoxy radicals, and halohydrocarbonoxy radicals having at least two carbon atoms
Claim 27
Dependent Claim 14 words
A composition as defined in claim 23 wherein each Q is an alkyl having
Claim 28
Dependent Claim 12 words
A composition as defined in claim 24 wherein the polyphenylene ether is
Claim 29
Dependent Claim 37 words
A composition as defined in claim 22 wherein component (b) contains from about 20 to about 50% by weight of poly(methyl methacrylate) and from about 80 to about 50% by weight of a graft terpolymer of acrylonitrile,
Claim 30
Dependent Claim 36 words
A composition as defined in claim 26 wherein the graft terpolymer includes from about 40 to 90% by weight of grafted acrylonitrile and styrene and from 60 to 10% by weight of a polybutadiene or rubbery
Claim 31
Dependent Claim 23 words
A composition as defined in claim 26 wherein component (b) contains about 20 to 25% methyl methacrylate units, 5 to 10% acrylonitrile units,
Claim 32
Dependent Claim 22 words
A composition as defined in claim 22 wherein styrene resin (a)(ii) includes butadiene rubber or a rubbery copolymer of butadiene and styrene
Claim 33
Dependent Claim 48 words
A composition as defined in claim 22 wherein the polyphenylene ether of component (a) comprises from about 1 to about 90% by weight, resinous component (b) comprises from about 10 to about 80% by weight, and the styrene resin component comprises the remainder by weight of the total
Claim 34
Dependent Claim 76 words
A composition as defined in claim 30 wherein said polyphenylene ether is poly(2,6-dimethyl-1,4-phenylene) ether and comprises from about 20 to about 90% by weight, component (b) is a composition of poly(methyl methacrylate), polybutadiene and grafted styrene and acrylonitrile and comprises from about 10 to about 80% by weight and the styrene resin component (a)(ii) includes butadiene rubber or a rubbery copolymer of butadiene and styrene and comprises up to about 60% by weight of the total
Claim 35
Dependent Claim 15 words
A reinforced composition as defined in claim 22 including a reinforcing amount of fibrous glass.

References Cited (Backward Citations)

US3170964A Cited
US3383435A Cited
US3487127A Cited
US3639508A Cited
US3665058A Cited
US3833688A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-09-28 1980-03-29 1980-09-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-09-28 1984-03-29 1984-09-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-09-28 1988-03-29 1988-09-28 $7700.00 Window Closed / Lapsed

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