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US3879355A
Expired / Lapsed
US
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Arylene sulfide polymer cured with the aid of certain compounds
Assignee: Phillips Petroleum Co
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Filing: 1973-11-29
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Granted: 1975-04-22
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Expires: 1993-11-29
Abstract
Abstract Certain compounds are incorporated into arylene sulfide polymer. The resulting composition is precured to give a polymer of improved processability and/or applied to a substrate and cured to give a coating having improved characteristics.
Inventors
- 👤 Jennings P Blackwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:18
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K3/00; C08K3/30; C08K3/32; C08K5/09; C08K5/098; C08K5/16; C08K5/17; C08K5/18
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
97 words
A COMPOSITION OF MATTER COMPRISING AN ARYLENE SULFIDE POLYMER AND 0.5 TO 10 WEIGHT PERCENT BASED ON THE WEIGHT OF SAID ARYLENE SULFIDE POLYMER OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A. ALUMINUM PHOSPHATE B. A POLYFUNCTIONAL BENZENE DERIVATIVE IN WHICH AT LEAST TWO POSITIONS ON THE BENZENE NUCLEUS ARE REPLACED BY A FUNCTIONAL GROUP SELECTED FROM OH AND NH2 WITH THE SUBSTITUTION BEING IN THE META OR PARA POSITION IF ONLY TWO POSITIONS ARE SUBSTITUTED; C. A METAL SALT SELECTED FROM COBALT SULFATE, COBALT ACETATE, FERROUS SULFATE, OR CUPRIC NAPHTHENATE; AND D. AMMONIUM PERSULFATE.
Claim 2
Dependent Claim
97 words
A COMPOSITION OF MATTER COMPRISING AN ARYLENE SULFIDE POLYMER AND 0.5 TO 10 WEIGHT PERCENT BASED ON THE WEIGHT OF SAID ARYLENE SULFIDE POLYMER OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A. ALUMINUM PHOSPHATE B. A POLYFUNCTIONAL BENZENE DERIVATIVE IN WHICH AT LEAST TWO POSITIONS ON THE BENZENE NUCLEUS ARE REPLACED BY A FUNCTIONAL GROUP SELECTED FROM OH AND NH2 WITH THE SUBSTITUTION BEING IN THE META OR PARA POSITION IF ONLY TWO POSITIONS ARE SUBSTITUTED; C. A METAL SALT SELECTED FROM COBALT SULFATE, COBALT ACETATE, FERROUS SULFATE, OR CUPRIC NAPHTHENATE; AND D. AMMONIUM PERSULFATE.
Claim 3
Dependent Claim
97 words
A composition of matter comprising an arylene sulfide polymer and 0.5 to 10 weight percent based on the weight of said arylene sulfide polymer of a compound selected from the group consisting of a. aluminum phosphate b. a polyfunctional benzene derivative in which at least two positions on the benzene nucleus are replaced by a functional group selected from OH and NH2 with the substitution being in the meta or para position if only two positions are substituted; c. a metal salt selected from cobalt sulfate, cobalt acetate, ferrous sulfate, or cupric naphthenate; and d. ammonium persulfate.
Claim 4
Dependent Claim
97 words
A composition of matter comprising an arylene sulfide polymer and 0.5 to 10 weight percent based on the weight of said arylene sulfide polymer of a compound selected from the group consisting of a. aluminum phosphate b. a polyfunctional benzene derivative in which at least two positions on the benzene nucleus are replaced by a functional group selected from OH and NH2 with the substitution being in the meta or para position if only two positions are substituted; c. a metal salt selected from cobalt sulfate, cobalt acetate, ferrous sulfate, or cupric naphthenate; and d. ammonium persulfate.
Claim 5
Dependent Claim
30 words
A composition according to claim 1 wherein said compound is present in an amount within the range of 1 to 5 weight percent based on the weight of said polymer.
Claim 6
Dependent Claim
12 words
A composition according to claim 1 wherein said compound is aluminum phosphate.
Claim 7
Dependent Claim
21 words
A composition according to claim 1 wherein said compound is selected from the group consisting of para-amino phenol, 1,3-dihydroxybenzene, and 1,2,3-trihydroxybenzene.
Claim 8
Dependent Claim
25 words
A composition according to claim 1 wherein said compound is selected from the group consisting of cobalt sulfate, cobalt acetate, ferrous sulfate, and cupric naphthenate.
Claim 9
Dependent Claim
12 words
A composition according to claim 1 wherein said compound is ammonium persulfate.
Claim 10
Dependent Claim
12 words
A composition accOrding to claim 1 wherein said polymer is polyphenylene sulfide.
Claim 11
Independent Claim
126 words
A method for precuring an arylene sulfide polymer comprising incorporating into said polymer 0.5 to 10 weight percent based on the weight of said arylene sulfide polymer of a compound selected from the group consisting of a. aluminum phosphate; b. a polyfunctional benzene derivative in which at least two positions on the benzene nucleus are replaced by a functional group selected from OH and NH2 with the substitution being in the meta or para posititon if only two positions are substituted; c. a metal salt selected from cobalt sulfate, cobalt acetate, ferrous sulfate, or cupric naphthenate; and d. ammonium persulate, and thereafter heatiing said composition to a temperature within the range of 490* to 520*F for a time within the range of 1 to 10 hours.
Claim 12
Independent Claim
126 words
A method for precuring an arylene sulfide polymer comprising incorporating into said polymer 0.5 to 10 weight percent based on the weight of said arylene sulfide polymer of a compound selected from the group consisting of a. aluminum phosphate; b. a polyfunctional benzene derivative in which at least two positions on the benzene nucleus are replaced by a functional group selected from OH and NH2 with the substitution being in the meta or para posititon if only two positions are substituted; c. a metal salt selected from cobalt sulfate, cobalt acetate, ferrous sulfate, or cupric naphthenate; and d. ammonium persulate, and thereafter heatiing said composition to a temperature within the range of 490* to 520*F for a time within the range of 1 to 10 hours.
Claim 13
Dependent Claim
15 words
A method according to claim 8 wherein said polymer is a slow curing poly(phenylene sulfide).
References Cited (Backward Citations)
US3658753A
Cited
US3728313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-21 | 1978-10-21 | 1979-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-21 | 1982-10-21 | 1983-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-21 | 1986-10-21 | 1987-04-22 | $7700.00 | Window Closed / Lapsed |