US5043389A
Expired / Lapsed
US
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Blends of linear alternating polyketones, polyamides and olefin-carboxylic acid copolymers
Assignee: Shell USA Inc
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Filing: 1989-10-31
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Granted: 1991-08-27
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Expires: 2009-10-31
Abstract
Abstract Polymer blends exhibiting improved mechanical properties of strength and toughness comprise blends of a major proportion of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with minor proportions of a polymeric polyamide and a polymer of an α-olefin and an α,β-ethylenically unsaturated carboxylic acid having an optional third monomer and optional partial neutralization of the carboxylic acid groups by non-alkali metal.
Inventors
- 👤 William P. Gergen
- 👤 Joseph M. Machado
- 👤 Dixie G. Waters
- 👤 Randall P. Gingrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:56
CPC Classifications
C; C08; C08L; C08L73/00; C08L23/00; C08L77/00; Y; Y10; Y10S; Y10S525/00; Y10S525/919
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
86 words
A polymer blend comprising (a) a major proportion of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon, (b) a lesser proportion of a polymeric polyamide having recurring amide groups in the polymeric chain, and (c) a lesser proportion of an acidic polymer of an α-olefin and an α, β-ethylenically unsaturated carboxylic acid, incorporating a non-acidic low molecular weight monomer, wherein up to 90% of the carboxylic acid groups are neutralized with a non-alkali metal selected from zinc, aluminum or magnesium.
Claim 2
Dependent Claim
86 words
A polymer blend comprising (a) a major proportion of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon, (b) a lesser proportion of a polymeric polyamide having recurring amide groups in the polymeric chain, and (c) a lesser proportion of an acidic polymer of an α-olefin and an α, β-ethylenically unsaturated carboxylic acid, incorporating a non-acidic low molecular weight monomer, wherein up to 90% of the carboxylic acid groups are neutralized with a non-alkali metal selected from zinc, aluminum or magnesium.
Claim 3
Dependent Claim
51 words
The blend of claim 1 wherein the linear alternating polymer is represented by the repeating formula --CO--CH.sub.2 --CH.sub.2)].sub.x [CO--G)].sub.y wherein G is the moiety of an ethylenically unsaturated hydrocarbon of at least 3 carbon atoms polymerized through the ethylenic unsaturation and the ratio of y:x is no more than about 0.5.
Claim 4
Dependent Claim
12 words
The blend of claim 2 wherein the acidic polymer is a copolymer.
Claim 5
Dependent Claim
20 words
The blend of claim 3 wherein the acidic polymer is a copolymer of ethylene and acrylic acid or methacrylic acid.
Claim 6
Dependent Claim
23 words
The blend of claim 4 wherein the polyamide is a homopolymer of a terminal aminocarboxylic acid of up to 16 carbon atoms inclusive.
Claim 7
Dependent Claim
13 words
The blend of claim 5 wherein the aminocarboxylic acid is provided as caprolactam.
Claim 8
Dependent Claim
49 words
The blend of claim 4 wherein the polyamide is a copolymer of a terminal primary diamine of up to 16 carbon atoms inclusive having at least two carbon atoms between the terminal primary amino groups and an aromatic or aliphatic dicarboxylic acid of up to 16 carbon atoms inclusive.
Claim 9
Dependent Claim
9 words
The blend of claim 7 wherein y is 0.
Claim 10
Dependent Claim
24 words
The blend of claim 7 wherein G is a moiety of propylene and the ratio of y:x is from about 0.01 to about 0.1.
Claim 11
Dependent Claim
28 words
The blend of claim 9 wherein the terminal primary diamine is of the formula H.sub.2 N--CH.sub.2).sub.n NH.sub.2 wherein n independently is an integer from 2 to 16 inclusive.
Claim 12
Dependent Claim
27 words
The blend of claim 10 wherein the dicarboxylic acid is of the formula HO.sub.2 C--CH.sub.2).sub.n CO.sub.2 H wherein m is an integer from 0 to 14 inclusive.
Claim 13
Dependent Claim
11 words
The blend of claim 11 wherein the primary diamine is hexamethylenediamine.
Claim 14
Dependent Claim
12 words
The blend of claim 12 wherein the dicarboxylic acid is adipic acid.
Claim 15
Dependent Claim
25 words
The blend of claim 11 wherein from about 25% to about 75% of the carboxylic acid groups of the acidic polymer are neutralized with zinc.
Claim 16
Dependent Claim
18 words
The blend of claim 14 wherein the primary diamine is hexamethylenediamine and the dicarboxylic acid is adipic acid.
Claim 17
Dependent Claim
18 words
The blend of claim 11 wherein the acidic polymer is a non-neutralized copolymer of ethylene and acrylic acid.
Claim 18
Dependent Claim
18 words
The blend of claim 16 wherein the primary diamine is hexamethylenediamine and the dicarboxylic acid is adipic acid.
Claim 19
Dependent Claim
18 words
The blend of claim 11 wherein the acidic polymer is a non-neutralized copolymer of ethylene and methacrylic acid.
Claim 20
Dependent Claim
18 words
The blend of claim 18 wherein the primary diamine is hexamethylenediamine and the dicarboxylic acid is adipic acid.
Claim 21
Dependent Claim
46 words
The blend of claim 1 wherein the amount of polyamide in the blend is about 1% to about 20% by weight of the total blend and the amount of acidic polymer in the blend is about 0.05% to about 10% by weight of the total blend.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-08-26 | 1995-02-25 | 1995-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-26 | 1999-02-25 | 1999-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-26 | 2003-02-25 | 2003-08-27 | $7700.00 | Window Closed / Lapsed |