US4684699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloys of a poly(arylene sulfide) and a poly(aryl ketone)
Assignee: BP Corp North America Inc
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Filing: 1983-05-06
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Granted: 1987-08-04
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Expires: 2003-05-06
Abstract
Abstract Described herein are alloys comprising a poly(arylene sulfide) and a poly(aryl ketone). These alloys have a good combination of mechanical properties and unexpectedly display a higher strength than would be expected from the weight averaged constituent values.
Inventors
- 👤 Lloyd M. Robeson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:24
CPC Classifications
C; C08; C08L; C08L65/00; C08L71/00; C08L81/00; C08L81/02
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
30 words
An alloy comprising from about 2 to about 98 weight percent of a poly(arylene sulfide) and from about 98 to about 2 weight percent of a crystalline poly(aryl ether ketone).
Claim 2
Dependent Claim
30 words
An alloy comprising from about 2 to about 98 weight percent of a poly(arylene sulfide) and from about 98 to about 2 weight percent of a crystalline poly(aryl ether ketone).
Claim 3
Dependent Claim
14 words
An alloy as described in claim 1 wherein the poly(arylene sulfide) is poly(phenylene sulfide).
Claim 4
Dependent Claim
16 words
An alloy as described in claims 2 wherein the poly(phenylene sulfide) contains a filler and/or fiber.
Claim 5
Dependent Claim
18 words
An alloy as defined in claim 1 wherein the poly(aryl ketone) has repeating units of the formula: ##STR9##
Claim 6
Dependent Claim
18 words
An alloy as defined in claim 1 wherein the poly(aryl ketone) has repeating units of the formula: ##STR10##
Claim 7
Dependent Claim
16 words
An alloy as defined in claim 1 wherein the alloy contains at least one thermoplastic polymer.
Claim 8
Dependent Claim
22 words
An alloy as defined in claim 6 wherein the thermoplastic polymer is an aromatiuc polysulfone, an aromatic polycarbonate or an aromatic polyhydroxyether.
Claim 9
Dependent Claim
24 words
An alloy as described in claim 2 wherein the poly(arylene sulfide) is of the following formula: ##STR11## wherein n is at least about 50.
Claim 10
Dependent Claim
50 words
An alloy as defined in claim 1 wherein the poly(aryl ketone) is of the following formula: ##STR12## wherein Ar is independently a divalent aromatic radical selected from phenylene, biphenylene or naphthylene, X is independently O, ##STR13## or a direct bond, and n is an integer of from 0 to 3.
Claim 11
Dependent Claim
50 words
An alloy as defined in claim 1 wherein the poly(aryl ketone) is of the following formula: ##STR14## wherein Ar is independently a divalent aromatic radical selected from phenylene, biphenylene, or naphthylene, X is independently O, ##STR15## or a direct bond, and n is an integer of from 0 to 3.
Claim 12
Dependent Claim
27 words
An alloy as defined in claim 1 wherein the poly(arylene sulfide) and poly(aryl ketone) are combined in amounts of from about 10 to about 90 weight percent.
Claim 13
Dependent Claim
22 words
A method for fabricating an article from the alloy of claim 1 which comprises heating the alloy to produce the fabricated article.
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) | 1990-08-03 | 1991-02-02 | 1991-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-03 | 1995-02-02 | 1995-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-03 | 1999-02-02 | 1999-08-04 | $7700.00 | Window Closed / Lapsed |