Polymeric composition
First Claim
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1. A polymeric composition which comprises:
- (i) from 10 to 60% by weight of an aromatic polyimide or an aromatic carboxylic ester polymer,(ii) from 2 to 20% by weight of an aliphatic polyamide, and(iii) from 30 to 75% by weight of a polyamide that contains both aromatic and aliphatic moieties.
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Abstract
A polymeric composition comprises:
(i) an aromatic polyimide or an aromatic carboxylic ester polymer,
(ii) a substantially wholly aliphatic polyamide, and
(iii) a polyamide that contains both aromatic aliphatic moieties.
It is found that the mechanical properties of blends of the aromatic polymers (i) and the polyamides (iii) can be significantly improved by the incorporation of a quantity of the aliphatic amides (ii), even though the miscibility of polymers, as observed by their glass transition temperatures may remain unchanged.
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Citations
16 Claims
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1. A polymeric composition which comprises:
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(i) from 10 to 60% by weight of an aromatic polyimide or an aromatic carboxylic ester polymer, (ii) from 2 to 20% by weight of an aliphatic polyamide, and (iii) from 30 to 75% by weight of a polyamide that contains both aromatic and aliphatic moieties. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification