US4111883A
Expired / Lapsed
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Plasticized polycarbonate composition
Assignee: General Electric Co
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Filing: 1976-12-16
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Granted: 1978-09-05
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Expires: 1996-12-16
Abstract
Abstract A plasticized polycarbonate composition comprised in admixture a high molecular weight aromatic carbonate polymer and a minor amount of a phosphazene.
Inventors
- 👤 Victor Mark
- 👤 Phillip Steven Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:06
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/5399
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
238 words
A plasticized polycarbonate composition comprising in admixture a high molecular weight aromatic carbonate polymer and a minor amount of a cyclic phosphazene of the following formula: ##STR7## R and R 1 are independently selected from the group consisting of C 1 to C 30 alkyl; C 1 to C 30 alkoxy; aryl of 6 to 14 carbon atoms; substituted aryl wherein the substituents are selected from one or more halogen, C 1 to C 30 alkyl or C 1 to C 30 alkoxy; aryloxy of 6 to 14 carbon atoms; substituted aryloxy wherein the substituents are selected from one or more halogen, C 1 -C 30 alkyl, and C 1 -C 30 alkoxy; alkylthio of 1 to 30 carbon atoms; arylthio of 6 to 14 carbon atoms; substituted arylthio wherein the substituents are selected from one or more halogen, C 1 to C 30 alkyl, and C 1 to C 30 alkoxy; --NR 2 R 3 wherein R 2 and R 3 are independently selected from hydrogen; C 1 to C 30 alkyl; aryl of 6 to 14 carbon atoms; substituted aryl wherein the substituents are selected from one or more halogen, C 1 to C 30 alkyl, C 1 to C 30 alkoxy, with the proviso that at least one of R 2 or R 3 is other than hydrogen; halogen; with the proviso that at least one of R or R 1 is other than halogen.
Claim 2
Dependent Claim
238 words
A plasticized polycarbonate composition comprising in admixture a high molecular weight aromatic carbonate polymer and a minor amount of a cyclic phosphazene of the following formula: ##STR7## R and R 1 are independently selected from the group consisting of C 1 to C 30 alkyl; C 1 to C 30 alkoxy; aryl of 6 to 14 carbon atoms; substituted aryl wherein the substituents are selected from one or more halogen, C 1 to C 30 alkyl or C 1 to C 30 alkoxy; aryloxy of 6 to 14 carbon atoms; substituted aryloxy wherein the substituents are selected from one or more halogen, C 1 -C 30 alkyl, and C 1 -C 30 alkoxy; alkylthio of 1 to 30 carbon atoms; arylthio of 6 to 14 carbon atoms; substituted arylthio wherein the substituents are selected from one or more halogen, C 1 to C 30 alkyl, and C 1 to C 30 alkoxy; --NR 2 R 3 wherein R 2 and R 3 are independently selected from hydrogen; C 1 to C 30 alkyl; aryl of 6 to 14 carbon atoms; substituted aryl wherein the substituents are selected from one or more halogen, C 1 to C 30 alkyl, C 1 to C 30 alkoxy, with the proviso that at least one of R 2 or R 3 is other than hydrogen; halogen; with the proviso that at least one of R or R 1 is other than halogen.
Claim 3
Dependent Claim
27 words
The composition of claim 1 wherein the phosphazene is present in an amount of from 0.05 to about 5.0 parts per hundred parts of aromatic carbonate polymer.
Claim 4
Dependent Claim
14 words
The composition of claim 1 wherein the aromatic carbonate polymer is derived from bisphenol-A.
Claim 5
Dependent Claim
19 words
The composition of claim 1 wherein the aromatic carbonate polymer is a copolymer derived from bisphenol-A and tetrabromo bisphenol-A.
Claim 6
Dependent Claim
16 words
The composition of claim 1 wherein the phosphazene of formula I has the following formula: ##STR8##
Claim 7
Dependent Claim
16 words
The composition of claim 1 wherein the phosphazene of formula I has the following formula: ##STR9##
Claim 8
Dependent Claim
246 words
A plasticized polycarbonate composition comprising in admixture a high molecular weight aromatic carbonate polymer and a minor amount of a linear polymeric phosphazene of the formula: ##STR10## wherein R and R 1 are independently selected from the group consisting of C 1 to C 30 alkyl; C 1 to C 30 alkoxy; aryl of 6 to 14 carbon atoms; substituted aryl wherein the substituents are selected from one or more halogen, C 1 to C 30 alkyl or C 1 to C 30 alkoxy; aryloxy of 6 to 14 carbon atoms; substituted aryloxy wherein the substituents are selected from one or more halogen, C 1 -C 30 alkyl, and C 1 -C 30 alkoxy; alkylthio of 1 to 30 carbon atoms; arylthio of 6 to 14 carbon atoms; substituted arylthio wherein the substituents are selected from one or more halogen, C 1 to C 30 alkyl, and C 1 to C 30 alkoxy; --NR 2 R 3 wherein R 2 and R 3 are independently selected from hydrogen; C 1 to C 30 alkyl; aryl of 6 to 14 carbon atoms; substituted aryl wherein the substituents are selected from one or more halogen, C 1 to C 30 alkyl, C 1 to C 30 alkoxy, with the proviso that at least one of R 2 or R 3 is other than hydrogen; with the proviso that at least one of R 1 is other than halogen; n is an integer of from 3 to about 50,000.
Claim 9
Dependent Claim
246 words
A plasticized polycarbonate composition comprising in admixture a high molecular weight aromatic carbonate polymer and a minor amount of a linear polymeric phosphazene of the formula: ##STR10## wherein R and R 1 are independently selected from the group consisting of C 1 to C 30 alkyl; C 1 to C 30 alkoxy; aryl of 6 to 14 carbon atoms; substituted aryl wherein the substituents are selected from one or more halogen, C 1 to C 30 alkyl or C 1 to C 30 alkoxy; aryloxy of 6 to 14 carbon atoms; substituted aryloxy wherein the substituents are selected from one or more halogen, C 1 -C 30 alkyl, and C 1 -C 30 alkoxy; alkylthio of 1 to 30 carbon atoms; arylthio of 6 to 14 carbon atoms; substituted arylthio wherein the substituents are selected from one or more halogen, C 1 to C 30 alkyl, and C 1 to C 30 alkoxy; --NR 2 R 3 wherein R 2 and R 3 are independently selected from hydrogen; C 1 to C 30 alkyl; aryl of 6 to 14 carbon atoms; substituted aryl wherein the substituents are selected from one or more halogen, C 1 to C 30 alkyl, C 1 to C 30 alkoxy, with the proviso that at least one of R 2 or R 3 is other than hydrogen; with the proviso that at least one of R 1 is other than halogen; n is an integer of from 3 to about 50,000.
Claim 10
Dependent Claim
27 words
The composition of claim 7 wherein the phosphazene is present in an amount of from 0.05 to about 5.0 parts per hundred parts of aromatic carbonate polymer.
Claim 11
Dependent Claim
14 words
The composition of claim 7 wherein the aromatic carbonate polymer is derived from bisphenol-A.
Claim 12
Dependent Claim
19 words
The composition of claim 7 wherein the aromatic carbonate polymer is a copolymer derived from bisphenol-A and tetrabromo bisphenol-A.
Claim 13
Dependent Claim
13 words
The composition of claim 7 wherein the phosphazene has the following formula: ##STR11##
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) | 1981-09-04 | 1982-03-06 | 1982-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-04 | 1986-03-06 | 1986-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-04 | 1990-03-06 | 1990-09-05 | $7700.00 | Window Closed / Lapsed |