US4073768A
Expired / Lapsed
US
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Non-opaque flame retardant polycarbonate composition
Assignee: General Electric Co
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Filing: 1975-10-29
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Granted: 1978-02-14
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Expires: 1995-10-29
Abstract
Abstract A non-opaque flame retardant polycarbonate composition comprising in admixture an aromatic carbonate polymer and an additive which may be the metal salts of either monomeric or polymeric phenol ester sulfonic acids, or mixtures thereof; said aromatic carbonate polymer and additive having a refractive index in the range of 1.54 to 1.65.
Inventors
- 👤 Victor Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:09
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/41; C08K5/42; C08G; C08G64/00; C08G64/04; C08G64/06; C08G64/08; C08G64/081; C08K5/49; C08L; C08L69/00
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
184 words
A non-opaque flame retardant carbonate polymer composition selected from the group consisting of: a. an aromatic carbonate polymer having in admixture from 0.001 to about 2.0 parts per hundred parts of the carbonate polymer of an additive selected from the group consisting of the metal salts of unsubstituted and substituted monomeric phenol ester sulfonic acid and the metal salt of unsubstituted and substituted polymeric phenol ester sulfonic acid, and mixtures thereof, wherein the metal salts are selected from the group consisting of the alkali metal salts and alkaline earth metal salts and mixtures of these metal salts, and the substituent on the metal salts of the substituted monomeric and polymeric phenol ester sulfonic acid is selected from the group consisting of an electron withdrawing radical, and mixtures of electron withdrawing radicals; b. an aromatic carbonate polymer containing from 0.001 to about 2.0 parts per hundred parts of the carbonate polymer of a metal salt of a sulfonic acid substituted carbonate polymer; and c. mixtures of (a) and (b); said carbonate polymer and additive having a refractive index in the range of 1.54 to 1.65.
Claim 2
Dependent Claim
184 words
A non-opaque flame retardant carbonate polymer composition selected from the group consisting of: a. an aromatic carbonate polymer having in admixture from 0.001 to about 2.0 parts per hundred parts of the carbonate polymer of an additive selected from the group consisting of the metal salts of unsubstituted and substituted monomeric phenol ester sulfonic acid and the metal salt of unsubstituted and substituted polymeric phenol ester sulfonic acid, and mixtures thereof, wherein the metal salts are selected from the group consisting of the alkali metal salts and alkaline earth metal salts and mixtures of these metal salts, and the substituent on the metal salts of the substituted monomeric and polymeric phenol ester sulfonic acid is selected from the group consisting of an electron withdrawing radical, and mixtures of electron withdrawing radicals; b. an aromatic carbonate polymer containing from 0.001 to about 2.0 parts per hundred parts of the carbonate polymer of a metal salt of a sulfonic acid substituted carbonate polymer; and c. mixtures of (a) and (b); said carbonate polymer and additive having a refractive index in the range of 1.54 to 1.65.
Claim 3
Dependent Claim
168 words
A shaped article having a refractive index in the range of 1.54 to 1.65 comprising a carbonate polymer composition selected from the group consisting of: a. an aromatic carbonate polymer having in admixture from 0.001 to about 2.0 parts per hundred parts of the carbonate polymer of an additive selected from the group consisting of the metal salts of unsubstituted and substituted monomeric phenol ester sulfonic acid, and mixtures thereof, wherein the metal salts are selected from the group consisting of the alkali metal salts and alkaline earth metal salts and mixtures of these metal salts, and the substituent on the metal salts of the substituted monomeric and polymeric phenol ester sulfonic acid is selected from the group consisting of an electron withdrawing radical, and mixtures of electron withdrawing radicals; b. an aromatic carbonate polymer having in admixture from 0.001 to about 2.0 parts per hundred parts of the carbonate polymer a metal salt of a sulfonic acid substituted carbonate polymer; and c. mixtures of (a) and (b).
Claim 4
Dependent Claim
168 words
A shaped article having a refractive index in the range of 1.54 to 1.65 comprising a carbonate polymer composition selected from the group consisting of: a. an aromatic carbonate polymer having in admixture from 0.001 to about 2.0 parts per hundred parts of the carbonate polymer of an additive selected from the group consisting of the metal salts of unsubstituted and substituted monomeric phenol ester sulfonic acid, and mixtures thereof, wherein the metal salts are selected from the group consisting of the alkali metal salts and alkaline earth metal salts and mixtures of these metal salts, and the substituent on the metal salts of the substituted monomeric and polymeric phenol ester sulfonic acid is selected from the group consisting of an electron withdrawing radical, and mixtures of electron withdrawing radicals; b. an aromatic carbonate polymer having in admixture from 0.001 to about 2.0 parts per hundred parts of the carbonate polymer a metal salt of a sulfonic acid substituted carbonate polymer; and c. mixtures of (a) and (b).
Claim 5
Dependent Claim
27 words
The shaped article of claim 2 wherein the electron withdrawing radical is selected from the group consisting of halo-, nitro-, trihalomethyl-, and cyano- radicals, and mixtures thereof.
Claim 6
Dependent Claim
195 words
The shaped article of claim 2 wherein the metal salt of the unsubstituted and substituted monomeric phenol ester sulfonic acid has the following formula: R!.sub.z { O.sub.q A!.sub.u X!.sub.y O.sub.r B!.sub.v }.sub.m I. wherein A and B are independently selected from the following formula: R'(SO.sub.3 M).sub.n R".sub.p II. wherein R' is an aromatic radical of 1-4 atomatic nuclei, M is a metal selected from the group consisting of alkali metal and alkaline earth metal, R' is an electron withdrawing radical, u, q, and r are integers of from 1-4, n and v are integers of from 0-4 and p is an integer of from 0-10; provided that the sum of n when employed in Formula I must be at least 1; and further, wherein in Formula I, R! is an organic radical of 1-20 carbon atoms and is selected from the group consisting of alkyl, aralkyl, alkenyl, aralkenyl, aryl, arylene, alkylene, aralkylene, alkenylene, aralkenylene, alkylidene, aralkylidene, alkenylidene, aralkenylidene, A and B, z is an integer of from 0-3, X! is selected from the group consisting of: ##STR3## y is an integer of from 1-2, m is an integer of from 1-4 and 0 is oxygen.
Claim 7
Dependent Claim
18 words
The shaped article of claim 4 wherein the metal salt is R!.sub.1 (O).sub.1 R'(SO.sub.3 M).sub.n R".sub.p ! X!).sub.2
Claim 8
Dependent Claim
13 words
The shaped article of claim 4 wherein the electron withdrawing radical is chlorine.
Claim 9
Dependent Claim
13 words
The shaped article of claim 2 wherein the metal salt is sodium 2,4,5-trichlorobenzensulfonate!-4'-sulfonate.
Claim 10
Dependent Claim
14 words
The shaped article of claim 2 wherein the metal salt is dipotassium bis(4-sulfophenyl) benzenephosphonate.
Claim 11
Dependent Claim
226 words
The shaped article of claim 2 wherein the metal salt of the unsubstituted and substituted polymeric phenol ester sulfonic acid has the following formula: ( R!.sub.z { A! X!.sub.y B!.sub.1-3 }.sub.a R!.sub.z { A! X!.sub.y B!.sub.1-3 }).sub.b wherein A and B are independently selected from the following formula: (O).sub.q R'(SO.sub.3 M).sub.n R".sub.p wherein R' is an aromatic radical of 1-4 aromatic nuclei, O is oxygen, M is a metal selected from the group consisting of alkali metal and alkaline earth metal, R" is an electron withdrawing radical, q is an integer of from 1-4, n is an integer of from 0-4 and p is an integer of from 0-10; and wherein in Formula I, R! is an organic radical of 1-20 carbon atoms and is selected from the group consisting of alkyl, aralkyl, alkenyl, aralkenyl, aryl, arylene, alkylene, aralkylene, alkenylene, aralkenylene, aklylidene, aralkylidene, alkenylidene, aralkenylidene, A! and B!, z is an integer of from 0-1, X! is selected from the group consisting of: ##STR4## y is an integer of from 1-2, m is an integer of from 1-4 and a is an integer of from 0-2000 and b is an integer of from 0-2000; provided, however, that the sum of a and b must equal at least 4 and further provided that the sum of n when employed in Formula I must be at least 1.
Claim 12
Dependent Claim
26 words
The shaped article of claim 9 wherein the electron withdrawing radical is selected from the group consisting of halo-, nitro-, trihalomethyl- and cyano- and mixtures thereof.
Claim 13
Dependent Claim
13 words
The shaped article of claim 9 wherein the electron withdrawing radical is chlorine.
Claim 14
Dependent Claim
10 words
The shaped article of claim 9 wherein M is sodium.
Claim 15
Dependent Claim
14 words
The shaped article of claim 9 wherein the metal salt is polysodium (bisphenol-A)-(tetrabromobisphenol-A) copolycarbonate!-polysulfonate.
Claim 16
Dependent Claim
45 words
The shaped article of claim 2 wherein the metal salt of a sulfonic acid substituted sulfonated carbonate polymer is polysodium (bisphenol-A)-tetrabromobisphenol-A) copolycarbonate! polysulfonate having therein 1.1 weight percent of (SO 3 Na) radical and 0.8 weight percent bromine based on the weight of the polymer.
Claim 17
Dependent Claim
39 words
The shaped article of claim 2 wherein the metal salt of a sulfonic acid substituted sulfonated carbonate polymer is polysodium (bisphenol-A-polycarbonate) polysulfonate having therein 1.1 weight percent of (SO 3 Na) radical based on the weight of the polymer.
Claim 18
Dependent Claim
42 words
The shaped article of claim 2 wherein the metal salt of a sulfonic acid substituted sulfonated copolyester carbonate polymer is polysodium (bisphenol-A)(isophthalic acid-terephthalic acid)(copolyestercarbonate) polysulfonate having therein 2.7 weight percent of (SO 3 Na) radical based on the weight of the polymer.
Claim 19
Dependent Claim
12 words
The shaped article of claim 2 in the form of a sheet.
Claim 20
Dependent Claim
12 words
The shaped article of claim 2 in the form of a pellet.
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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) | 1981-02-13 | 1981-08-15 | 1982-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-13 | 1985-08-15 | 1986-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-13 | 1989-08-15 | 1990-02-14 | $7700.00 | Window Closed / Lapsed |