Patent US246424A successfully refreshed from Google Patents.
US4451607A
Expired / Lapsed
US
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Poly(arylene sulfide) compositions
Assignee: Phillips Petroleum Co
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Filing: 1983-01-27
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Granted: 1984-05-29
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Expires: 2003-01-27
Abstract
Abstract A melt-blended composition comprising poly(arylene sulfide) and hydrogenated conjugated diene/monovinyl aromatic block copolymer with the hydrogenated conjugated diene/monovinyl aromatic block copolymer present in an amount of up to about 5 weight percent of the total composition. A method for increasing the crystallinity of poly(arylene sulfide) by melt-blending therewith hydrogenated conjugated diene/monovinyl aromatic block copolymer in an amount up to about 5 weight percent of the total composition.
Inventors
- 👤 Rodrigo A. Garcia
- 👤 Robert J. Martinovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:58
CPC Classifications
C; C08; C08L; C08L81/00; C08L81/02; C08L53/00; C08L53/02
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
94 words
A melt-blending composition comprising poly(arylene sulfide) and hydrogenated conjugated diene/monovinyl aromatic block copolymer which has been produced by sequential polymerization of about 10 to about 90 parts by weight conjugated diene with about 90 to about 10 parts by weight monovinyl substituted aromatic hydrocarbon and subsequent hydrogenation of at least 80 percent of the aliphatic double bonds while not more than 25 percent of the aromatic double bonds have been hydrogenated said hydrogenated conjugated diene/monovinyl aromatic block copolymer present in an amount of up to about 5 percent by weight of the total composition.
Claim 2
Dependent Claim
94 words
A melt-blending composition comprising poly(arylene sulfide) and hydrogenated conjugated diene/monovinyl aromatic block copolymer which has been produced by sequential polymerization of about 10 to about 90 parts by weight conjugated diene with about 90 to about 10 parts by weight monovinyl substituted aromatic hydrocarbon and subsequent hydrogenation of at least 80 percent of the aliphatic double bonds while not more than 25 percent of the aromatic double bonds have been hydrogenated said hydrogenated conjugated diene/monovinyl aromatic block copolymer present in an amount of up to about 5 percent by weight of the total composition.
Claim 3
Dependent Claim
29 words
A composition of claim 1 wherein said hydrogenated conjugated diene/monovinyl aromatic block copolymer is present in an amount in a range of about 1 to about 5 weight percent.
Claim 4
Dependent Claim
19 words
A composition of claim 1 wherein filler comprises up to about 65 percent by weight of the total composition.
Claim 5
Dependent Claim
11 words
A composition of claim 3 wherein the said filler is fiberglass.
Claim 6
Dependent Claim
30 words
A composition of claim 1 wherein said poly(arylene sulfide) is poly(phenylene sulfide) and said conjugated diene of said hydrogenated conjugated diene/monovinyl aromatic block copolymer is chosen from butadiene and isoprene.
Claim 7
Dependent Claim
30 words
A composition of claim 2 wherein said poly(arylene sulfide) is poly(phenylene sulfide) and said conjugated diene of said hydrogenated conjugated diene/monovinyl aromatic block copolymer is chosen from butadiene and isoprene.
Claim 8
Dependent Claim
30 words
A composition of claim 4 wherein said poly(arylene sulfide) is poly(phenylene sulfide) and said conjugated diene of said hydrogenated conjugated diene/monovinyl aromatic block copolymer is chosen from butadiene and isoprene.
Claim 9
Dependent Claim
19 words
A composition of claim 5 wherein said hydrogenated conjugated diene/monovinyl aromatic block copolymer is a hydrogenated butadiene/styrene block copolymer.
Claim 10
Dependent Claim
19 words
A composition of claim 6 wherein said hydrogenated conjugated diene/monovinyl aromatic block copolymer is a hydrogenated butadiene/styrene block copolymer.
Claim 11
Dependent Claim
19 words
A composition of claim 7 wherein said hydrogenated conjugated diene/monovinyl aromatic block copolymer is a hydrogenated butadiene/styrene block copolymer.
Claim 12
Independent Claim
100 words
A method for increasing the crystallinity of poly(arylene sulfide) comprising melt-blending therewith a crystallinity increasing amount of hydrogenated conjugated diene/monovinyl aromatic block copolymer said amount being in a range of up to about 5 weight percent of the total composition said block copolymer having been produced by sequential polymerization of about 10 to about 90 parts by weight conjugated diene with about 90 to about 10 parts by weight monovinyl substituted aromatic hydrocarbon and subsequent hydrogenation of at least 80 percent of the aliphatic double bonds while not more than 25 percent of the aromatic double bonds have been hydrogenated.
Claim 13
Independent Claim
100 words
A method for increasing the crystallinity of poly(arylene sulfide) comprising melt-blending therewith a crystallinity increasing amount of hydrogenated conjugated diene/monovinyl aromatic block copolymer said amount being in a range of up to about 5 weight percent of the total composition said block copolymer having been produced by sequential polymerization of about 10 to about 90 parts by weight conjugated diene with about 90 to about 10 parts by weight monovinyl substituted aromatic hydrocarbon and subsequent hydrogenation of at least 80 percent of the aliphatic double bonds while not more than 25 percent of the aromatic double bonds have been hydrogenated.
Claim 14
Dependent Claim
32 words
A method of claim 11 wherein said amount of hydrogenated conjugated diene/monovinyl aromatic block copolymer is in a range of about 1 to about 5 percent by weight of the total composition.
Claim 15
Dependent Claim
18 words
A method of claim 11 wherein said composition contains up to about 65 percent by weight of filler.
Claim 16
Dependent Claim
10 words
A method of claim 13 wherein said filler is fiberglass.
Claim 17
Dependent Claim
22 words
A method of claim 12 wherein said composition contains up to about 65 percent by weight of the total composition of filler.
Claim 18
Dependent Claim
10 words
A method of claim 14 wherein said filler is fiberglass.
Claim 19
Dependent Claim
30 words
A method of claim 11 wherein said poly(arylene sulfide) is poly(phenylene sulfide) and said conjugated diene of said hydrogenated conjugated diene/monovinyl aromatic block copolymer is chosen from butadiene and isoprene.
Claim 20
Dependent Claim
30 words
A method of claim 12 wherein said poly(arylene sulfide) is poly(phenylene sulfide) and said conjugated diene of said hydrogenated conjugated diene/monovinyl aromatic block copolymer is chosen from butadiene and isoprene.
Claim 21
Dependent Claim
30 words
A method of claim 13 wherein said poly(arylene sulfide) is poly(phenylene sulfide) and said conjugated diene of said hydrogenated conjugated diene/monovinyl aromatic block copolymer is chosen from butadiene and isoprene.
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) | 1987-05-29 | 1987-11-28 | 1988-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-29 | 1991-11-28 | 1992-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-29 | 1995-11-28 | 1996-05-29 | $7700.00 | Window Closed / Lapsed |