US4049619A
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Plastic compositions
Assignee: Great Lakes Chemical Corp
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Filing: 1976-02-09
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Granted: 1977-09-20
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Expires: 1996-02-09
Abstract
Abstract Plastic compositions containing a three component system consisting of (1) a polysulfone, (2) certain bis-phenoxy compounds having the formula: ##STR1## WHEREIN Z is bromine, m and m' are each integers having a value of 1-5 with the proviso that the total bromine atom content is from 6 to 10, and "T" is a straight or branched chain carbon group having 1 to 4 carbon atoms, and (3) an enhancing agent, hereinafter defined.
Inventors
- 👤 Arnold L. Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:35
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/06
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
92 words
A plastic composition comprising a three component system consisting of (1) a polysulfone, (2) a bis-phenoxy compound, which functions as a flame retardant for said composition, having the formula ##STR8## wherein (a) Z is bromine; (b) m and m' are independent and are integers having a value of from 1 to 5 with the proviso that the bromine atom content is from 6 to 10 bromine atoms; and (c) T is a straight or branched chain carbon group having from one to four carbon atoms, and (3) a flame retardant enhancing agent.
Claim 2
Dependent Claim
92 words
A plastic composition comprising a three component system consisting of (1) a polysulfone, (2) a bis-phenoxy compound, which functions as a flame retardant for said composition, having the formula ##STR8## wherein (a) Z is bromine; (b) m and m' are independent and are integers having a value of from 1 to 5 with the proviso that the bromine atom content is from 6 to 10 bromine atoms; and (c) T is a straight or branched chain carbon group having from one to four carbon atoms, and (3) a flame retardant enhancing agent.
Claim 3
Dependent Claim
33 words
The composition as set forth in claim 1 wherein the amount of said bis-phenoxy compound employed is from about 1% to about 25% by weight, based on the total weight of said composition.
Claim 4
Dependent Claim
15 words
The composition as set forth in claim 2 wherein the T is CH 2 .
Claim 5
Dependent Claim
17 words
The composition as set forth in claim 2 wherein the T is (CH 2 ) 2 .
Claim 6
Dependent Claim
17 words
The composition as set forth in claim 2 wherein the T is (CH 2 ) 3 .
Claim 7
Dependent Claim
17 words
The composition as set forth in claim 2 wherein the T is (CH 2 ) 4 .
Claim 8
Dependent Claim
15 words
The composition as set forth in claim 2 wherein the T is T is ##STR9##
Claim 9
Dependent Claim
13 words
The composition as set forth in claim 2 wherein the T is ##STR10##
Claim 10
Dependent Claim
35 words
The composition as set forth in claim 2 wherein the enhancing agent is selected from the group consisting of oxides and halides of Groups IV A and V A of the Periodic Table of Elements.
Claim 11
Dependent Claim
23 words
The composition as set forth in claim 9 wherein the T is (CH 2 ) 2 and m and m' are each 5.
Claim 12
Dependent Claim
23 words
The composition as set forth in claim 9 wherein the T is (CH 2 ) 2 and m and m' are each 3.
Claim 13
Dependent Claim
23 words
The composition as set forth in claim 9 wherein the T is (CH 2 ) 3 and m and m' are each 3.
Claim 14
Dependent Claim
23 words
The composition as set forth in claim 9 wherein the T is (CH 2 ) 4 and m and m' are each 3.
Claim 15
Dependent Claim
21 words
The composition as set forth in claim 9 wherein the T is CH 2 and m and m' are each 3.
Claim 16
Dependent Claim
21 words
The composition as set forth in claim 9 wherein the T is CH 2 and m and m' are each 5.
Claim 17
Dependent Claim
24 words
The composition as set forth in claim 9 wherein the T is (CH 2 ) 2 and m is 5 and m' is 3.
Claim 18
Dependent Claim
15 words
The composition as set forth in claim 9 wherein the enhancing agent is antimony oxide.
Claim 19
Dependent Claim
80 words
A flame retarded, shaped plastic composition comprising a three component system which consists of (a) a polysulfone, (b) a bis-phenoxy compound selected from the group consisting of (i) 1,2-bis(2,4,6-tribromophenoxy)ethane, (ii) 1,3,-bis(2,4,6-tribromophenoxy)propane and (iii) 1,2-bis(2,3,4,5,6-pentabromophenoxy)ethane and (c) an enhancing agent selected from the group consisting of oxides of antimony, arsenic and bismuth; with the proviso that said plastic composition is further characterized by having a flammability rating of SE-O (V-O) as determined by the UL 94 procedure described in the specification.
Claim 20
Dependent Claim
80 words
A flame retarded, shaped plastic composition comprising a three component system which consists of (a) a polysulfone, (b) a bis-phenoxy compound selected from the group consisting of (i) 1,2-bis(2,4,6-tribromophenoxy)ethane, (ii) 1,3,-bis(2,4,6-tribromophenoxy)propane and (iii) 1,2-bis(2,3,4,5,6-pentabromophenoxy)ethane and (c) an enhancing agent selected from the group consisting of oxides of antimony, arsenic and bismuth; with the proviso that said plastic composition is further characterized by having a flammability rating of SE-O (V-O) as determined by the UL 94 procedure described in the specification.
Claim 21
Dependent Claim
73 words
The composition as set forth in claim 18 wherein (a) the bis-phenoxy compound is 1,2-bis(2,4,6-tribromophenoxy)ethane and is present in an amount of from about 1% by weight to about 20% by weight, based on the total weight of said composition and (b) the enhancing agent is antimony trioxide and is present in an amount of from about 0.5% by weight to about 10% by weight, based on the total weight of said composition.
Claim 22
Dependent Claim
66 words
A composition as set forth in claim 19 wherein the amount of said bis-phenoxy compound is about 5% by weight, based on the total weight of said composition, and enhancing agent is present in an amount of about 3% by weight, based on the total weight of said composition, the tensile strength is about 9,050 psi and the Notched Izod Impact is about 0.8 ft. lbs./in.
Claim 23
Dependent Claim
50 words
A composition as set forth in claim 19 wherein the amount of said bis-phenoxy compound is about 13% by weight, based on the total weight of said composition, and said enhancing agent is present in an amount of about 3% by weight, based on the total weight of said composition.
Claim 24
Dependent Claim
73 words
The composition as set forth in claim 18 wherein (a) the bis-phenoxy compound is 1,3-bis(2,4,6-tribromophenoxy)propane and is present in an amount of from about 1% by weight to about 20% by weight, based on the total weight of said composition and (b) the enhancing agent is antimony trioxide and is present in an amount of from about 0.5% by weight to about 10% by weight, based on the total weight of said composition.
Claim 25
Dependent Claim
65 words
A composition as set forth in claim 22 wherein the amount of said bis-phenoxy compound is about 5% by weight, based on the total weight of said composition, said enhancing agent is present in an amount of about 3% by weight, based on the total weight of said composition, the tensile strength is about 9,180 psi and the Notched Izod Impact is about 1.0 ft.lbs./in.
Claim 26
Dependent Claim
50 words
A composition as set forth in claim 22 wherein the amount of said bis-phenoxy compound is about 13% by weight, based on the total weight of said composition, and said enhancing agent is present in an amount of about 3% by weight, based on the total weight of said composition.
Claim 27
Dependent Claim
73 words
A composition as set forth in claim 18 wherein (a) the bis-phenoxy compound is 1,2-bis(2,3,4,5,6-pentabromophenoxy)ethane and is present in an amount of from about 1% by weight to about 20% by weight, based on the total weight of said composition and (b) the enhancing agent is antimony trioxide and is present in an amount of from about 0.5% by weight to about 10% by weight, based on the total weight of said composition.
Claim 28
Dependent Claim
52 words
A composition as set forth in claim 25 wherein the bis-phenoxy compound is present in an amount of about 13% by weight, based on the total weight of said composition and the enhancing agent is present in an amount of about 3% by weight based on the total weight of said composition.
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) | 1980-09-19 | 1981-03-21 | 1981-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-19 | 1985-03-21 | 1985-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-19 | 1989-03-21 | 1989-09-20 | $7700.00 | Window Closed / Lapsed |