US4153644A — Resin composition containing polyphenylene oxide

Claim 1

Independent Claim 179 words

A resin composition containing a polyphenylene oxide, comprising (A) a polyphenylene oxide having the following formula and having a molecular weight of 10,000 or higher: ##STR4## wherein R 1 and R 2 are lower, straight chain alkyl groups of 1-4 carbon atoms; each of R 3 and R 4 is a hydrogen atom or has the same meaning as defined above for R 1 and R 2 ; the α-carbon atom in each R 1 , R 2 , R 3 and R 4 is not tertiary; n is an integer such that the molecular weight is 10,000 or more; (B) a modified aromatic hydrocarbon formaldehyde resin, which is obtained by reacting an aromatic hydrocarbon formaldehyde resin with a phenol in the presence of an acid catalyst, the weight ratio of said resin (A) to said resin (B) being from 10:90 to 99:1, and (C) a styrene-butadiene or styrene-butadiene-styrene block copolymer, the amount of (C) being from 3 to 40 parts by weight per 100 parts by weight of total amount of the resin (A) and the resin (B).

Claim 2

Dependent Claim 179 words

A resin composition containing a polyphenylene oxide, comprising (A) a polyphenylene oxide having the following formula and having a molecular weight of 10,000 or higher: ##STR4## wherein R 1 and R 2 are lower, straight chain alkyl groups of 1-4 carbon atoms; each of R 3 and R 4 is a hydrogen atom or has the same meaning as defined above for R 1 and R 2 ; the α-carbon atom in each R 1 , R 2 , R 3 and R 4 is not tertiary; n is an integer such that the molecular weight is 10,000 or more; (B) a modified aromatic hydrocarbon formaldehyde resin, which is obtained by reacting an aromatic hydrocarbon formaldehyde resin with a phenol in the presence of an acid catalyst, the weight ratio of said resin (A) to said resin (B) being from 10:90 to 99:1, and (C) a styrene-butadiene or styrene-butadiene-styrene block copolymer, the amount of (C) being from 3 to 40 parts by weight per 100 parts by weight of total amount of the resin (A) and the resin (B).

Claim 3

Dependent Claim 24 words

A resin composition according to claim 1, wherein the weight ratio of the resin (A) to the resin (B) is from 95:5 to 35:65.

Claim 4

Dependent Claim 39 words

A resin composition according to claim 1, wherein the amount of the rubbery polymer (C) is 5 to 30 parts by weight per 100 parts by weight of the total amount of the resin (A) and the resin (B).

Claim 5

Dependent Claim 22 words

A resin composition according to claim 1, wherein the resin (A) is poly(2,6-dialkyl-1,4-phenylene)oxide or a copolymer of a 2,6-dialkylphenol and a 2,3,6-trialkylphenol.

Claim 6

Dependent Claim 23 words

A resin composition according to claim 1, wherein the resin (A) is poly(2,6-dimethyl-1,4-phenylene)oxide, poly(2-methyl-6-ethyl-1,4-phenylene)oxide, poly(2,6-diethyl-1,4-phenylene)oxide, poly-(2-methyl-6-propyl-1,4-phenylene)oxide, or a copolymer of 2,6-dimethylphenol and 2,3,6-trimethylphenol.

Claim 7

Dependent Claim 20 words

A resin composition according to claim 1, wherein the resin (A) is poly(2,6-dimethyl-1,4-phenylene)oxide or a copolymer of 2,6-dimethylphenol and 2,3,6-trimethylphenol.

Claim 8

Dependent Claim 163 words

A resin composition according to claim 1, wherein the polyphenylene oxide is prepared by the polycondensation of at least one monocyclic phenol in the presence of oxygen and a known catalyst and said monocyclic phenol being represented by the general formula, ##STR5## wherein R 1 is a hydrogen atom, a lower alkyl group having 1 to 4 carbon atoms, a lower haloalkyl group having 2 to 4 carbon atoms, a lower alkoxy group having 1 to 4 carbon atoms, or an aryl group; when R 1 is a lower haloalkyl group, at least two carbon atoms are present between the halogen atom and the phenyl nucleus; each of R 2 , R 3 and R 4 is a halogen atom or has the same meaning as defined above for R 1 ; the α-carbon atom in each of R 1 , R 2 , R 3 , and R 4 is not tertiary; and X is a halogen atom or a hydrogen atom.

Claim 9

Dependent Claim 29 words

A resin composition according to claim 1, wherein the modifying agent is at least one member selected from the group consisting of phenol, bisphenol-A, m-cresol, and p-alkylphenols, and p-arylphenols.

Claim 10

Dependent Claim 27 words

A resin composition according to claim 1, wherein the modifying agent is at least one member selected from the group consisting of phenol, p-tert-butylphenol, p-octylphenol, and p-nonylphenol.

Claim 11

Dependent Claim 27 words

A resin composition according to claim 1, wherein the amount of the modifying agent is up to eight times the weight of the aromatic to hydrocarbon-formaldehyde resin.

Claim 12

Dependent Claim 26 words

A resin composition according to claim 1, wherein the amount of the modifying agent is 0.2 to 2.5 times the weight of the aromatic hydrocarbonformaldehyde resin.

Claim 13

Dependent Claim 30 words

A resin composition according to claim 1, wherein the resin (B) has an average molecular weight of 500 or higher and a softening point of 60° C. to 200° C.

Claim 14

Dependent Claim 54 words

A resin composition according to claim 1, wherein the resin (B) is a thermoplastic aromatic hydrocarbonformaldehyde resin having a number average molecular weight of 500 or higher, which is obtained by reacting m-xylene or mesitylene with formaldehyde in the presence of an acid catalyst and modifying the resulting aromatic hydrocarbon formaldehyde resin with phenols.

Claim 15

Dependent Claim 84 words

A resin composition containing polyphenylene oxide, comprising (A) one member selected from the group consisting of (i) poly(2,6-dimethyl-1,4-phenylene)oxide and (ii) a copolymer composed of 5 mole % of 2,3,6-trimethylphenol and 95 mole % of 2,6-dimethylphenol, (B) a p-tert-butyl-phenolmodified mesitylene-formaldehyde resin and, (C) a styrene-butadiene-styrene block copolymer, the weight ratio of (A) to (B) being from 50:50 to 85:15 and the amount of (C) being from 5 to 25 parts by weight per 100 parts by weight of the total weight of (A) and (B).

Claim 16

Dependent Claim 84 words

A resin composition containing polyphenylene oxide, comprising (A) one member selected from the group consisting of (i) poly(2,6-dimethyl-1,4-phenylene)oxide and (ii) a copolymer composed of 5 mole % of 2,3,6-trimethylphenol and 95 mole % of 2,6-dimethylphenol, (B) a p-tert-butyl-phenolmodified mesitylene-formaldehyde resin and, (C) a styrene-butadiene-styrene block copolymer, the weight ratio of (A) to (B) being from 50:50 to 85:15 and the amount of (C) being from 5 to 25 parts by weight per 100 parts by weight of the total weight of (A) and (B).

Claim 17

Dependent Claim 37 words

A resin composition containing polyphenylene oxide, comprising (A) poly(2,6-dimethyl-1,4-phenylene) oxide having an intrinsic viscosity of 0.52 dl/g, (B) a p-tertbutylphenol-modified mesitylene-formaldehyde resin and (C) a styrene-butadiene-styrene block copolymer, the weight ratio of (A): (B): (C) being 70:19:11.

Claim 18

Dependent Claim 37 words

A resin composition containing polyphenylene oxide, comprising (A) poly(2,6-dimethyl-1,4-phenylene) oxide having an intrinsic viscosity of 0.52 dl/g, (B) a p-tertbutylphenol-modified mesitylene-formaldehyde resin and (C) a styrene-butadiene-styrene block copolymer, the weight ratio of (A): (B): (C) being 70:19:11.

Claim 19

Dependent Claim 27 words

A resin composition according to claim 1 wherein the acid catalyst is sulfuric acid, hydrochloric acid, phosphoric acid, oxalic acid, p-toluenesulfonic acid, m-xylenesulfonic acid or Lewis acid.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1982-05-07	1982-11-06	1983-05-08	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1986-05-07	1986-11-06	1987-05-08	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1990-05-07	1990-11-06	1991-05-08	$7700.00	Window Closed / Lapsed

Resin composition containing polyphenylene oxide

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