US4263201A
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Flame retardant polycarbonate composition
Assignee: General Electric Co
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Filing: 1978-12-07
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Granted: 1981-04-21
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Expires: 1998-12-07
Abstract
Abstract A flame retardant polycarbonate composition comprising in admixture an aromatic carbonate polymer and a minor amount of a mixture of a metal salt of an organic sulfonate or organic carboxylate, and an organic halogenated compound. This invention relates generally to flame retardant polycarbonate compositions and more particularly to flame retardant compositions containing an aromatic carbonate polymer and a minor amount of a mixture of a metal salt of an organic sulfonate or organic carboxylate, and an organic halogenated compound.
Inventors
- 👤 Victor Mark
- 👤 Jimmy L. Webb
- 👤 Joseph B. Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:59
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/41; C08K5/42; C08K5/04; C08K5/09; C08K5/098; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/06; C08L27/00; C08L41/00; C08L69/00
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
141 words
A flame retardant aromatic carbonate polymer composition comprising in admixture an aromatic carbonate polymer and a minor amount of a mixture (1) a metal salt selected from the group consisting of a monomeric or polymeric organic sulfonate and an organic carboxylate; and (2) a monomeric or polymeric organic halogenated compound, wherein said metal salt is selected from the group consisting of the alkali metal salts, alkaline earth metal salts and mixtures thereof with the proviso that when said minor amount of a mixture contains a sulfonate, the halogenated compound is a monomeric halogenated compound of the formula: R"(X).sub.m wherein X is chlorine or bromine, m is an integer from 1 to the number of replaceable hydrogen atoms on the monomeric halogenated compound, and R" is an organo radical derived from an aliphatic or cycloaliphatic hydrocarbon of from 6 to 20 carbons.
Claim 2
Dependent Claim
141 words
A flame retardant aromatic carbonate polymer composition comprising in admixture an aromatic carbonate polymer and a minor amount of a mixture (1) a metal salt selected from the group consisting of a monomeric or polymeric organic sulfonate and an organic carboxylate; and (2) a monomeric or polymeric organic halogenated compound, wherein said metal salt is selected from the group consisting of the alkali metal salts, alkaline earth metal salts and mixtures thereof with the proviso that when said minor amount of a mixture contains a sulfonate, the halogenated compound is a monomeric halogenated compound of the formula: R"(X).sub.m wherein X is chlorine or bromine, m is an integer from 1 to the number of replaceable hydrogen atoms on the monomeric halogenated compound, and R" is an organo radical derived from an aliphatic or cycloaliphatic hydrocarbon of from 6 to 20 carbons.
Claim 3
Dependent Claim
28 words
The composition of claim 1 wherein the composition comprises 0.01 to about 5.0 weight percent of the mixture based on the weight of the aromatic carbonate polymer composition.
Claim 4
Dependent Claim
93 words
The composition of claim 1 wherein the metal salt of the monomeric organic sulfonate has the formula: R(SO.sub.3 M).sub.n or R[(SO.sub.3).sub.2 M'].sub.n wherein n is an integer from 1 to 4; M is an alkali metal cation, M' is an alkaline earth metal cation, and R is alkyl containing from 1 to 18 carbons or aryl containing from 6 to 10 carbon atoms, both optionally substituted with halogen (F, Cl, Br, I), and when R is aryl, optionally substituted with nitro, alkyl containing from 1 to 18 carbons, another aryl or combinations thereof.
Claim 5
Dependent Claim
42 words
The composition of claim 3 wherein said metal salt of the monomeric organic sulfonate has the formula: R(SO.sub.3 M).sub.n wherein n is 1, M is as defined above and R is aryl containing from 6 to 10 carbons, optionally substituted with halogen.
Claim 6
Dependent Claim
15 words
The composition of claim 4 wherein the monomeric organic sulfonate metal salt is sodium benzenesulfonate.
Claim 7
Dependent Claim
15 words
The composition of claim 4 wherein the monomeric organic sulfonate metal salt is calcium benzenesulfonate.
Claim 8
Dependent Claim
15 words
The composition of claim 4 wherein the monomeric organic sulfonate metal salt is sodium-2,4,5-trichloro benzenesulfonate.
Claim 9
Dependent Claim
15 words
The composition of claim 4 wherein the monomeric organic sulfonate metal salt is sodium naphthalene-2-sulfonate.
Claim 10
Dependent Claim
15 words
The composition of claim 4 wherein the monomeric organic sulfonate metal salt is potassium diphenylsulfone-4-sulfonate.
Claim 11
Dependent Claim
15 words
The composition of claim 4 wherein the monomeric organic sulfonate metal salt is dipotassium diphenylsulfone-4,4'-disulfonate.
Claim 12
Dependent Claim
72 words
The composition of claim 1 wherein the metal salt of the polymeric organic sulfonate has the formula: [R'(SO.sub.3 M).sub.n ].sub.p [R'].sub.q or [R'[(SO.sub.3).sub.2 M'].sub.n ].sub.p [R'].sub.q wherein n, M and M' are as defined in claim 3, p+q is an integer from 2 to 2000, and R' is selected from the group consisting of divalent aliphatic, araliphatic or aromatic radical, halogen substituted R' of F, Cl, Br or I and mixtures thereof.
Claim 13
Dependent Claim
16 words
The composition of claim 11 wherein the polymeric organic sulfonate metal salt is polypotassium polystyrene polysulfonate.
Claim 14
Dependent Claim
16 words
The composition of claim 11 wherein the polymeric organic sulfonate metal salt is polysodium polytrifluoroethylene sulfonate.
Claim 15
Dependent Claim
15 words
The composition of claim 11 wherein the polymeric organic sulfonate metal salt is polysodium poly(p-chlorostyrene)sulfonate.
Claim 16
Dependent Claim
34 words
The composition of claim 1 wherein the metal salt of the monomeric organic carboxylate has the formula: R(CO.sub.2 M).sub.n or R[(CO.sub.2).sub.2 M'].sub.n wherein n, M, M' and R' are as defined in claim 13.
Claim 17
Dependent Claim
80 words
The composition of claim 1 wherein said organic halogenated compound is a monomeric halogenated compound of the formula: R"(X).sub.m wherein X is chlorine or bromine, m is an integer from 1 to the number of replaceable hydrogen atoms on the monomeric halogenated compound, and R" is an organo radical selected from the group consisting of aliphatic or cycloaliphatic hydrocarbon of from 6 to 10 carbons, biphenyl, diphenyl ether, diphenylsulfone diphenyl carbonate, bisphenols, 1,2-diphenoxyethane and Diels-Alder adducts of hexachloropentadiene with olefins.
Claim 18
Dependent Claim
13 words
The composition of claim 16 wherein said monomeric halogenated compound is tetrachlorodiphenyl sulfone.
Claim 19
Dependent Claim
13 words
The composition of claim 16 wherein said monomeric halogenated compound is 4,4'-dichlorodiphenyl sulfone.
Claim 20
Dependent Claim
11 words
The composition of claim 16 wherein said halogenated compound is poly(4-bromostyrene).
Claim 21
Dependent Claim
13 words
The composition of claim 16 wherein said monomeric halogenated compound is 1,2-bis(pentabromophenoxy) ethane.
Claim 22
Dependent Claim
12 words
The composition of claim 16 wherein said monomeric halogenated compound is 2,4,4',5'-tetrachlorodiphenylsulfone.
Claim 23
Dependent Claim
13 words
The composition of claim 16 wherein said monomeric halogenated compound is decabromodiphenyl ether.
Claim 24
Dependent Claim
12 words
The composition of claim 14 wherein said monomeric halogenated compound is hexachlorodiphenylsulfone.
Claim 25
Dependent Claim
24 words
The composition of claim 1 wherein said organic halogenated compound is a polymer selected from the group consisting of polyolefin, polystyrene, and bisphenol polyester.
Claim 26
Dependent Claim
18 words
The composition of claim 24 wherein said halogenated compound is a halogenated polymer derived from a bisphenol compound.
Claim 27
Dependent Claim
13 words
The composition of claim 25 wherein said halogenated polymer is tetrachloro bisphenol-A copolycarbonate.
Claim 28
Dependent Claim
13 words
The composition of claim 24 wherein said halogenated compound is dichloro bisphenol-A copolycarbonate.
Claim 29
Dependent Claim
16 words
The composition of claim 24 wherein said halogenated compound is a halogenated polymer derived from polystyrene.
Claim 30
Dependent Claim
11 words
The composition of claim 28 wherein said halogenated polymer is poly(p-chlorostyrene).
Claim 31
Dependent Claim
11 words
The composition of claim 28 wherein said halogenated polymer is poly(dibromostyrene).
Claim 32
Dependent Claim
17 words
The composition of claim 24 wherein said halogenated compound is a halogenated polymer derived from a polyolefin.
Claim 33
Dependent Claim
11 words
The composition of claim 31 wherein said halogenated polymer is polyvinylchloride.
Claim 34
Dependent Claim
11 words
The composition of claim 31 wherein said halogenated polymer is poly(chlorotrifluoroethylene).
Claim 35
Dependent Claim
12 words
The composition of claim 1 wherein a drip inhibiting additive is included.
Claim 36
Dependent Claim
11 words
The composition of claim 34 wherein said additive is a polytetrafluoroethylene.
References Cited (Backward Citations)
US3948851A
Cited
US4110299A
Cited
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1984-04-20 | 1984-10-20 | 1985-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-04-20 | 1988-10-20 | 1989-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-04-20 | 1992-10-20 | 1993-04-21 | $7700.00 | Window Closed / Lapsed |