EP0164767A2
Expired / Lapsed
EP
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Polymer mixture comprising a polyphenylene ether and a polyamide
Assignee: General Electric Co
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Filing: 1985-04-12
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Granted: —
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Expires: 2005-04-12
Abstract
Abstract The mechanical properties of polyphenylene ether-polyamide mixtures are improved by the addition of an oxidized polyolefin wax. In addition, a phosphite is preferably added.
Inventors
- 👤 Roelof Van Der Meer
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 23:57
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/123; C08L77/00; Y; Y10; Y10S; Y10S525/00; Y10S525/905
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
93 words
A polymer mixture comprising a polyphenylene ether and a polyamide, characterized in-that the polymer mixture comprises the following constituents: a) 1 - 99% by weight of polyphenylene ether, b) 99 - 1% by weight of polyamide, c) 0.01 - 10% by weight of an oxidized polyolefin wax, and d) 0 - 100% by weight of the possible reaction products of a and b, of a and c, of b and c, or of a, b and c, and in which the quantities are calculated with respect to the sum of a and b.
Claim 2
Dependent Claim
93 words
A polymer mixture comprising a polyphenylene ether and a polyamide, characterized in-that the polymer mixture comprises the following constituents: a) 1 - 99% by weight of polyphenylene ether, b) 99 - 1% by weight of polyamide, c) 0.01 - 10% by weight of an oxidized polyolefin wax, and d) 0 - 100% by weight of the possible reaction products of a and b, of a and c, of b and c, or of a, b and c, and in which the quantities are calculated with respect to the sum of a and b.
Claim 3
Dependent Claim
24 words
A polymer mixture as claimed in Claim 1, characterized in that the polymer mixture comprises 0.05 - 2% by weight of oxidized polyethylene wax.
Claim 4
Dependent Claim
99 words
A polymer mixture as claimed in Claim 1, characterized in that the polymer mixture comprises the following constituents: a) 1 - 99% by weight of polyphenylene ether b) 99 - 1% by weight of polyamide c) 0.01 - 10% by weight of an oxidized polyolefin wax d) 0.01 - 10% by weight of an alkyl phosphite, aryl phosphite, alkyl-aryl phosphite, and e) 0 - 100% by weight of the reaction product of two or more of the constituents a, b, c, and/or d, and in which the quantities are calculated with respect to the sum of a and b.
Claim 5
Dependent Claim
56 words
A polymer mixture as claimed in Claim 1 or 3, characterized in that the polymer mixture comprises in addition an agent which is usual for polyamides or for polyphenylene ether and serves to improve the impact strength, in a quantity of at most 40% by weight calculated with respect to the sum of a and b.
Claim 6
Dependent Claim
44 words
A polymer mixture as claimed in Claim 4, characterized in that the polymer mixture comprises a hydrogenated or a non-hydrogenated styrene-butadiene diblock or triblock copolymer in a quantity of at most 40% by weight calculated with respect to the sum of a and b.
Claim 7
Dependent Claim
25 words
A polymer mixture as claimed in Claim 4 or 5, characterized in that the polymer mixture comprises two different agents to improve the impact strength.
Claim 8
Dependent Claim
50 words
A polymer mixture as claimed in Claim 1, 3, 4, 5 or 6, characterized in that the polymer mixture comprises in addition a styrene polymer or copolymer or a high-impact polystyrene in a quantity of at most 100% by weight calculated with respect to the sum of a and b.
Claim 9
Dependent Claim
25 words
A polymer mixture as claimed in Claims 1 - 7, characterized in that it comprises fillers and/or reinforcing fibres, for example carbon fibres, glass fibres.
References Cited (Backward Citations)
No citation records indexed.
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