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US4029634A
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Flame retardant polymeric compositions containing halogen substituted hexakis-(substituted phenoxy)cyclotriphosphazene
Assignee: EIDP Inc
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Filing: 1976-10-01
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Granted: 1977-06-14
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Expires: 1996-10-01
Abstract
Abstract Polymers such as polyamides, polyolefins, etc., in the form of fibers, films, etc., are rendered flame retardant by incorporation of a halogen substituted hexakis-(substituted phenoxy)cyclotriphosphazene, such as hexakis-(p-bromophenoxy)cyclotriphosphazene, in the polymer.
Inventors
- 👤 Philip Lacy Meredith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:05
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/5399
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
64 words
A flame retardant polymeric composition comprising a polymer and a flame retardant effective amount of a compound of the formula: ##STR6## where R 1 to R 6 has the formula ##STR7## wherein X 1 to X 5 are hydrogen, bromine or chlorine, provided that at least one X is other than hydrogen and that said compound contains less than 50 ppm residual chloride ion.
Claim 2
Dependent Claim
64 words
A flame retardant polymeric composition comprising a polymer and a flame retardant effective amount of a compound of the formula: ##STR6## where R 1 to R 6 has the formula ##STR7## wherein X 1 to X 5 are hydrogen, bromine or chlorine, provided that at least one X is other than hydrogen and that said compound contains less than 50 ppm residual chloride ion.
Claim 3
Dependent Claim
25 words
A flame retardant polymeric composition of claim 1 wherein the polymer is selected from the group consisting of polyester, polyamide, ABS, acrylic, modacrylic and polyolefin.
Claim 4
Dependent Claim
22 words
A flame retardant polymeric composition of claim 2 wherein in the flame retardant compound R 1 to R 6 are the same.
Claim 5
Dependent Claim
76 words
A flame retardant polymeric composition comprising a. a polymer selected from the group consisting of polyester, polyamide, ABS, acrylic, modacrylic and polyolefin; and b. a flame retardant effective amount of a compound of the formula ##STR8## wherein each of R 1 to R 6 is a radical of the formula ##STR9## wherein X 7 is selected from the group consisting of chlorine or bromine, provided said compound contains less than 50 ppm of residual chloride ion.
Claim 6
Dependent Claim
76 words
A flame retardant polymeric composition comprising a. a polymer selected from the group consisting of polyester, polyamide, ABS, acrylic, modacrylic and polyolefin; and b. a flame retardant effective amount of a compound of the formula ##STR8## wherein each of R 1 to R 6 is a radical of the formula ##STR9## wherein X 7 is selected from the group consisting of chlorine or bromine, provided said compound contains less than 50 ppm of residual chloride ion.
Claim 7
Dependent Claim
51 words
A flame retardant polymeric composition comprising a. a polymer selected from the group consisting of polyester, polyamide, ABS, acrylic and polyolefin; and b. a flame retardant effective amount of compound of the formula which contains less than 50 ppm residual chloride ion ##STR10## wherein R 1 to R 6 is ##STR11##
Claim 8
Dependent Claim
51 words
A flame retardant polymeric composition comprising a. a polymer selected from the group consisting of polyester, polyamide, ABS, acrylic and polyolefin; and b. a flame retardant effective amount of compound of the formula which contains less than 50 ppm residual chloride ion ##STR10## wherein R 1 to R 6 is ##STR11##
Claim 9
Dependent Claim
47 words
A flame retardant polymeric composition comprising from 75 to 97% by weight of polyester and from 3 to 25% by weight of a phosphazene which contains less than 50 ppm of residual chloride ion which has the formula ##STR12## where R 1 to R 6 is ##STR13##
Claim 10
Dependent Claim
47 words
A flame retardant polymeric composition comprising from 75 to 97% by weight of polyester and from 3 to 25% by weight of a phosphazene which contains less than 50 ppm of residual chloride ion which has the formula ##STR12## where R 1 to R 6 is ##STR13##
Claim 11
Dependent Claim
47 words
A flame retardant polymeric composition comprising from 70 to 99% by weight of polyolefin and from 1 to 30% by weight of a phosphazene which contains less than 50 ppm of residual chloride ion which has the formula ##STR14## where R 1 to R 6 is ##STR15##
Claim 12
Dependent Claim
47 words
A flame retardant polymeric composition comprising from 70 to 99% by weight of polyolefin and from 1 to 30% by weight of a phosphazene which contains less than 50 ppm of residual chloride ion which has the formula ##STR14## where R 1 to R 6 is ##STR15##
Claim 13
Dependent Claim
46 words
A flame retardant polymeric composition comprising from 88 to 99.5% by weight of polyamide and from 0.5 to 12% by weight of phosphazene which contains less than 50 ppm of residual chloride ion which has the formula ##STR16## where R 1 to R 6 is ##STR17##
Claim 14
Dependent Claim
46 words
A flame retardant polymeric composition comprising from 88 to 99.5% by weight of polyamide and from 0.5 to 12% by weight of phosphazene which contains less than 50 ppm of residual chloride ion which has the formula ##STR16## where R 1 to R 6 is ##STR17##
Claim 15
Dependent Claim
47 words
A flame retardant polymeric composition comprising from 70 to 95% by weight of ABS and from 5% to 30% by weight of a phosphazene which contains less than 50 ppm of residual chloride ion which has the formula ##STR18## where R 1 to R 6 is ##STR19##
Claim 16
Dependent Claim
47 words
A flame retardant polymeric composition comprising from 70 to 95% by weight of ABS and from 5% to 30% by weight of a phosphazene which contains less than 50 ppm of residual chloride ion which has the formula ##STR18## where R 1 to R 6 is ##STR19##
Claim 17
Dependent Claim
47 words
A flame retardant polymeric composition comprising from 65 to 95% by weight of acrylic and from 5 to 35% by weight of a phosphazene which contains less than 50 ppm of residual chloride ion which has the formula ##STR20## where R 1 and R 6 is ##STR21##
Claim 18
Dependent Claim
47 words
A flame retardant polymeric composition comprising from 65 to 95% by weight of acrylic and from 5 to 35% by weight of a phosphazene which contains less than 50 ppm of residual chloride ion which has the formula ##STR20## where R 1 and R 6 is ##STR21##
Claim 19
Dependent Claim
46 words
A flame retardant polymeric composition comprising from 85% to 95% by weight modacrylic and from 5 to 15% by weight of a phosphazene which contains less than 50 ppm of residual chloride ion which has the formula ##STR22## where R 1 and R 6 is ##STR23##
Claim 20
Dependent Claim
46 words
A flame retardant polymeric composition comprising from 85% to 95% by weight modacrylic and from 5 to 15% by weight of a phosphazene which contains less than 50 ppm of residual chloride ion which has the formula ##STR22## where R 1 and R 6 is ##STR23##
Claim 21
Dependent Claim
10 words
A textile fiber formed from the composition of claim 6.
Claim 22
Dependent Claim
10 words
A textile fiber formed from the composition of claim 7.
Claim 23
Dependent Claim
10 words
A textile fiber formed from the composition of claim 8.
Claim 24
Dependent Claim
10 words
A textile fiber formed from the composition of claim 10.
Claim 25
Dependent Claim
10 words
A textile fiber formed from the composition of claim 11.
Claim 26
Independent Claim
77 words
A method of decreasing the susceptibility of a polymer to burn when exposed to open flame consisting of incorporating into the polymer a flame retardant effective amount of a phosphazene which contains less than 50 ppm of residual chloride ion which has the formula ##STR24## where R 1 to R 6 has the formula ##STR25## wherein X 1 to X 5 are hydrogen, bromine or chlorine, provided, however, that at least one X is other than hydrogen.
Claim 27
Independent Claim
77 words
A method of decreasing the susceptibility of a polymer to burn when exposed to open flame consisting of incorporating into the polymer a flame retardant effective amount of a phosphazene which contains less than 50 ppm of residual chloride ion which has the formula ##STR24## where R 1 to R 6 has the formula ##STR25## wherein X 1 to X 5 are hydrogen, bromine or chlorine, provided, however, that at least one X is other than hydrogen.
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) | 1980-06-13 | 1980-12-13 | 1981-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-13 | 1984-12-13 | 1985-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-13 | 1988-12-13 | 1989-06-14 | $7700.00 | Window Closed / Lapsed |