US4224209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyphenylene ether resin compositions containing poly(alkylene oxides) and phosphate plasticizer
Assignee: General Electric Co
•
Filing: 1978-09-05
•
Granted: 1980-09-23
•
Expires: 1998-09-05
Abstract
Abstract Novel compositions are disclosed which comprise a polyphenylene ether resin, a plasticizer, and a poly(alkylene oxide). Also disclosed are compositions comprised of a polyphenylene ether resin, a rubber-modified alkenyl aromatic resin, and a poly(alkylene oxide) as well as compositions comprised of a polyphenylene ether resin and an alkenyl aromatic resin modified with a poly(alkylene oxide). Included within the scope of this invention are corresponding reinforced and flame-retardant compositions.
Inventors
- 👤 Glenn D. Cooper
- 👤 Arthur Katchman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:27
CPC Classifications
C; C08; C08L; C08L51/00; C08L51/08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C08K5/523; C08L71/00; C08L71/08; C08L71/10; C08L71/12
Claims Analysis
Total Claims: 52
Claim 1
Independent Claim
34 words
A thermoplastic molding composition which, after molding, has a good impact strength, said composition comprising: (a) a polyphenylene ether resin; (b) a plasticizer; and (c) a copolymer of alkylene oxide and alkyl glycidyl ether.
Claim 2
Dependent Claim
34 words
A thermoplastic molding composition which, after molding, has a good impact strength, said composition comprising: (a) a polyphenylene ether resin; (b) a plasticizer; and (c) a copolymer of alkylene oxide and alkyl glycidyl ether.
Claim 3
Dependent Claim
108 words
The molding composition of claim 1 wherein the polyphenylene ether resin is selected from the compounds of the formula ##STR6## wherein the oxygen ether atom of one unit is connected to the benzene nucleus of the next adjoining unit, n is a positive integer and is at least 50, and each Q is a monovalent substituent selected from the group consisting of hydrogen, halogen, hydrocarbon radicals free of a tertiary alpha-carbon atom, halohydrocarbon radicals having at least two carbon atoms between the halogen atom and the phenyl nucleus, hydrocarbonoxy radicals, and the halohydrocarbonoxy radicals having at least two carbon atoms between the halogen atom and the phenyl nucleus.
Claim 4
Dependent Claim
13 words
The molding composition of claim 1 wherein the plasticizer is a triaryl phosphate.
Claim 5
Dependent Claim
18 words
The molding composition of claim 3 wherein the plasticizer is triphenyl phosphate, trixylyl phosphate, or tertbutylphenyl diphenyl phosphate.
Claim 6
Dependent Claim
29 words
The molding composition of claim 3 wherein the plasticizer is a mixture of triaryl phosphates wherein one or more aryl groups are substituted by one or more isopropyl groups.
Claim 7
Dependent Claim
34 words
The molding composition of claim 1 wherein the poly(alkylene oxide) is a rubbery copolymer of propylene oxide and allyl glycidyl ether comprised of units having the structure ##STR7## wherein R is --O--CH 2 --CH═CH
Claim 8
Dependent Claim
18 words
The molding composition of claim 1 wherein the composition includes a reinforcing amount of an inorganic reinforcing filler.
Claim 9
Dependent Claim
25 words
The molding composition of claim 7 wherein the composition includes 10-80% by weight of fibrous glass filaments, based on the total weight of the composition.
Claim 10
Dependent Claim
17 words
The molding composition of claim 1 wherein the composition includes a flame-retardant amount of a flame-retardant additive.
Claim 11
Dependent Claim
68 words
A thermoplastic molding composition which, after molding, has good impact strength, said composition comprising: (a) from about 20 to 90 parts by weight of a polyphenylene ether resin; (b) from about 2 to 50 parts by weight of a plasticizer; and (c) from about 1 to 40 parts by weight of a copolymer of alkylene oxide and alkyl glycidyl ether, based on the total weight of the composition.
Claim 12
Dependent Claim
68 words
A thermoplastic molding composition which, after molding, has good impact strength, said composition comprising: (a) from about 20 to 90 parts by weight of a polyphenylene ether resin; (b) from about 2 to 50 parts by weight of a plasticizer; and (c) from about 1 to 40 parts by weight of a copolymer of alkylene oxide and alkyl glycidyl ether, based on the total weight of the composition.
Claim 13
Dependent Claim
14 words
The molding composition of claim 10 wherein the polyphenylene ether resin is poly(2,6-dimethyl-1,4-phenylene) ether.
Claim 14
Dependent Claim
13 words
The molding composition of claim 11 wherein the plasticizer is a triaryl phosphate.
Claim 15
Dependent Claim
18 words
The molding composition of claim 11 wherein the plasticizer is triphenyl phosphate, trixylyl phosphate, or tertbutylphenyl diphenyl phosphate.
Claim 16
Dependent Claim
29 words
The molding composition of claim 10 wherein the plasticizer is a mixture of triaryl phosphates wherein one or more aryl groups are substituted by one or more isopropyl groups.
Claim 17
Dependent Claim
77 words
A thermoplastic molding composition which, after molding, has good impact strength, said composition comprising: (a) from about 20 to 90 parts by weight of a polyphenylene ether resin; (b) from about 2 to 50 parts by weight of a plasticizer; (c) from about 1 to 40 parts by weight of a copolymer of alkylene oxide and alkyl glycidyl ether, based on the total weight of the composition; and (d) a reinforcing amount of an inorganic reinforcing filler.
Claim 18
Dependent Claim
77 words
A thermoplastic molding composition which, after molding, has good impact strength, said composition comprising: (a) from about 20 to 90 parts by weight of a polyphenylene ether resin; (b) from about 2 to 50 parts by weight of a plasticizer; (c) from about 1 to 40 parts by weight of a copolymer of alkylene oxide and alkyl glycidyl ether, based on the total weight of the composition; and (d) a reinforcing amount of an inorganic reinforcing filler.
Claim 19
Dependent Claim
14 words
The molding composition of claim 15 wherein the polyphenylene ether resin is poly(2,6-dimethyl-1,4-phenylene) ether.
Claim 20
Dependent Claim
13 words
The molding composition of claim 15 wherein the plasticizer is a triaryl phosphate.
Claim 21
Dependent Claim
18 words
The molding composition of claim 17 wherein the plasticizer is triphenyl phosphate, trixylyl phosphate, or tertbutylphenyl diphenyl phosphate.
Claim 22
Dependent Claim
29 words
The molding composition of claim 17 wherein the plasticizer is a mixture of triaryl phosphates wherein one or more aryl groups are substituted by one or more isopropyl groups.
Claim 23
Dependent Claim
27 words
The molding composition of claim 15 wherein the reinforcing filler comprises from 10 to 80% of fibrous glass filaments, based on the total weight of the composition.
Claim 24
Dependent Claim
75 words
A thermoplastic molding composition which, after molding, has good impact strength, said composition comprising: (a) from about 20 to 90 parts by weight of polyphenylene ether resin; (b) from about 2 to 50 parts by weight of a plasticizer; (c) from about 1 to 40 parts by weight of a copolymer of alkylene oxide and alkyl glycidyl ether, based on the total weight of the composition; and (d) a flame-retardant amount of a flame-retardant additive.
Claim 25
Dependent Claim
75 words
A thermoplastic molding composition which, after molding, has good impact strength, said composition comprising: (a) from about 20 to 90 parts by weight of polyphenylene ether resin; (b) from about 2 to 50 parts by weight of a plasticizer; (c) from about 1 to 40 parts by weight of a copolymer of alkylene oxide and alkyl glycidyl ether, based on the total weight of the composition; and (d) a flame-retardant amount of a flame-retardant additive.
Claim 26
Dependent Claim
44 words
The molding composition of claim 21 wherein the flame-retardant additive is a halogenated organic compound, a halogenated organic compound in admixture with an antimony compound, elemental phosphorus, a phosphorus compound, compounds containing phosphorus-nitrogen bonds, or a mixture of two or more of the foregoing.
Claim 27
Dependent Claim
21 words
The molding composition of claim 21 wherein the flame-retardant additive comprises a mixture of an organic bromine-containing compound with antimony oxide.
Claim 28
Dependent Claim
19 words
The molding composition of claim 21 wherein the flame-retardant additive is triphenyl phosphate, trixlyl phosphate, or tert-butylphenyl diphenyl phosphate.
Claim 29
Dependent Claim
32 words
The molding composition of claim 21 wherein the flame-retardant additive is comprised of a mixture of triaryl phosphates wherein one or more aryl groups are substituted by one or more isopropyl groups.
Claim 30
Dependent Claim
36 words
A thermoplastic molding composition which, after molding, has good impact strength, said composition comprising: (a) a polyphenylene ether resin; (b) a rubber-modified alkenyl aromatic resin; and (c) a copolymer of alkylene oxide and alkyl glycidyl ether.
Claim 31
Dependent Claim
36 words
A thermoplastic molding composition which, after molding, has good impact strength, said composition comprising: (a) a polyphenylene ether resin; (b) a rubber-modified alkenyl aromatic resin; and (c) a copolymer of alkylene oxide and alkyl glycidyl ether.
Claim 32
Dependent Claim
14 words
The molding composition of claim 26 wherein the polyphenylene ether resin is poly(2,6-dimethyl-1,4-phenylene) ether.
Claim 33
Dependent Claim
29 words
The molding composition of claim 26 wherein the alkenyl aromatic resin is prepared from a monomer selected from the group consisting of styrene, α-methylstyrene, bromostyrene, chlorostyrene, divinylbenzene, and vinyltoluene.
Claim 34
Dependent Claim
19 words
The molding composition of claim 26 wherein the alkenyl aromatic resin is modified with a rubbery polymer of butadiene.
Claim 35
Dependent Claim
18 words
The molding composition of claim 26 wherein the composition includes a reinforcing amount of an inorganic reinforcing filler.
Claim 36
Dependent Claim
25 words
The molding composition of claim 30 wherein the composition includes 10-80% by weight of fibrous glass filaments, based on the total weight of the composition.
Claim 37
Dependent Claim
17 words
The molding composition of claim 26 wherein the composition includes a flame-retardant amount of a flame-retardant additive.
Claim 38
Dependent Claim
44 words
The molding composition of claim 32 wherein the flame retardant is a halogenated organic compound, a halogenated organic compound in admixture with an antimony compound, elemental phosphorus, a phosphorus compound, compounds containing phosphorus-nitrogen bonds, or a mixture of two or more of the foregoing.
Claim 39
Dependent Claim
69 words
A thermoplastic molding composition which, after molding, has good impact strength, said composition comprising: (a) from about 10 to 90 parts by weight of a polyphenylene ether resin; (b) from about 10 to 90 parts by weight of a rubber-modified aromatic resin; (c) from about 1 to 50 parts by weight of a copolymer of alkylene oxide and alkyl glycidyl ether, based on the total weight of the composition.
Claim 40
Dependent Claim
69 words
A thermoplastic molding composition which, after molding, has good impact strength, said composition comprising: (a) from about 10 to 90 parts by weight of a polyphenylene ether resin; (b) from about 10 to 90 parts by weight of a rubber-modified aromatic resin; (c) from about 1 to 50 parts by weight of a copolymer of alkylene oxide and alkyl glycidyl ether, based on the total weight of the composition.
Claim 41
Dependent Claim
14 words
The molding composition of claim 34 wherein the polyphenylene ether resin is poly(2,6-dimethyl-1,4-phenylene) ether.
Claim 42
Dependent Claim
31 words
The molding composition of claim 34 wherein the alkenyl aromatic resin is styrene and the rubber is present between about 4% and about 75% by weight of styrene and rubber combined.
Claim 43
Dependent Claim
79 words
A thermoplastic molding composition which, after molding, has good impact strength, said composition comprising: (a) from about 10 to 90 parts by weight of a polyphenylene ether resin; (b) from about 10 to 90 parts by weight of a rubber-modified aromatic resin; (c) from about 1 to 50 parts by weight of a copolymer of alkylene oxide and alkyl glycidyl ether, based on the total weight of the composition; and (d) a reinforcing amount of an inorganic reinforcing filler.
Claim 44
Dependent Claim
79 words
A thermoplastic molding composition which, after molding, has good impact strength, said composition comprising: (a) from about 10 to 90 parts by weight of a polyphenylene ether resin; (b) from about 10 to 90 parts by weight of a rubber-modified aromatic resin; (c) from about 1 to 50 parts by weight of a copolymer of alkylene oxide and alkyl glycidyl ether, based on the total weight of the composition; and (d) a reinforcing amount of an inorganic reinforcing filler.
Claim 45
Dependent Claim
14 words
The molding composition of claim 37 wherein said polyphenylene ether resin is poly(2,6-dimethyl-1,4-phenylene) ether.
Claim 46
Dependent Claim
27 words
The molding composition of claim 37 wherein said reinforcing filler comprises from 10 to 80% of fibrous glass filaments, based on the total weight of the composition.
Claim 47
Dependent Claim
78 words
A thermoplastic molding composition which, after molding, has good impact strength, said composition comprising: (a) from about 10 to 90 parts by weight of a polyphenylene ether resin; (b) from about 10 to 90 parts by weight of a rubber-modified aromatic resin; (c) from about 1 to 50 parts by weight of a copolymer of alkylene oxide and alkyl glycidyl ether, based on the total weight of the composition; and (d) a flame-retardant amount of a flame-retardant additive.
Claim 48
Dependent Claim
78 words
A thermoplastic molding composition which, after molding, has good impact strength, said composition comprising: (a) from about 10 to 90 parts by weight of a polyphenylene ether resin; (b) from about 10 to 90 parts by weight of a rubber-modified aromatic resin; (c) from about 1 to 50 parts by weight of a copolymer of alkylene oxide and alkyl glycidyl ether, based on the total weight of the composition; and (d) a flame-retardant amount of a flame-retardant additive.
Claim 49
Dependent Claim
44 words
The molding composition of claim 40 wherein the flame-retardant additive is a halogenated organic compound, a halogenated organic compound in admixture with an antimony compound, elemental phosphorus, a phosphorus compound, compounds containing phosphorus-nitrogen bonds, or a mixture of two or more of the foregoing.
Claim 50
Dependent Claim
21 words
The molding composition of claim 40 wherein the flame-retardant additive comprises a mixture of an organic bromine-containing compound with antimony oxide.
Claim 51
Dependent Claim
19 words
The molding composition of claim 40 wherein the flame-retardant additive is triphenyl phosphate, trixylyl phosphate, or tert-butylphenyl diphenyl phosphate.
Claim 52
Dependent Claim
32 words
The molding composition of claim 40 wherein the flame-retardant additive is comprised of a mixture of triaryl phosphates wherein one or more aryl groups are substituted by one or more isopropyl groups.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-09-23 | 1984-03-24 | 1984-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-23 | 1988-03-24 | 1988-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-23 | 1992-03-24 | 1992-09-23 | $7700.00 | Window Closed / Lapsed |