Polyester resin composition
First Claim
1. A polyester resin composition comprising 1 to 99% by weight of an aromatic polyesyter produced by polycondensing para-hydroxybenzoic acid or a functional derivative thereof (I), 2,2-bis(4'"'"'-hydroxyphenyl)propane or a functional derivative thereof (II), a terephthalic acid or a functional derivative thereof (III) and/or isophthalic acid or a functional derivative thereof (IV) in a molar ratio of (I):
- (II)=1;
100 to 100;
1 and (II);
(III) and/or (IV)=1;
10 to 10;
1, and99 to 1% by weight of a 4,4-dihydroxydiarylalkane polycarbonate having an average molecular weight of 5,000 to 100,000 or a polyalkylene phenylene ester and/or a polyalkylene phenylene ester ether, said polyalkylene phenylene ester and polyalkylene phenylene ester ether having the following formula;
##STR4## wherein R1, R2, R3 and R4 are the same or different and are each hydrogen, an alkyl having 1 to 6 carbon atoms, a halogen, an alkoxy having 1 to 6 carbon atoms, an alkoxycarbonyl having 2 to 6 carbon atoms, cyano, amino, sulfonyl, nitro or phenoxy;
X is a divalent aliphatic hydrocarbon group having 1 to 10 carbon atoms;
Y is --COO-- or --O--; and
n is 30 to 500.
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Accused Products
Abstract
A polyester resin composition having excellent mechanical properties, processability, transparency and surface glossiness of the formed product thereof, which comprises 1 to 99% by weight of an aromatic polyester produced by polycondensing para-hydroxybenzoic acid or a functional derivative thereof (I), 2,2-bis(4'"'"'-hydroxyphenyl)propane or a functional derivative thereof (II), and terephthalic acid or a functional derivative thereof (III) and/or isophthalic acid or a functional derivative thereof (IV) in a molar ratio of (I):(II)=1:100 to 100:1 and (II):(III) and/or (IV)=1:10 to 10:1 and 99 to 1% by weight of a polycarbonate or an aliphatic polyester.
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Citations
2 Claims
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1. A polyester resin composition comprising 1 to 99% by weight of an aromatic polyesyter produced by polycondensing para-hydroxybenzoic acid or a functional derivative thereof (I), 2,2-bis(4'"'"'-hydroxyphenyl)propane or a functional derivative thereof (II), a terephthalic acid or a functional derivative thereof (III) and/or isophthalic acid or a functional derivative thereof (IV) in a molar ratio of (I):
- (II)=1;
100 to 100;
1 and (II);
(III) and/or (IV)=1;
10 to 10;
1, and99 to 1% by weight of a 4,4-dihydroxydiarylalkane polycarbonate having an average molecular weight of 5,000 to 100,000 or a polyalkylene phenylene ester and/or a polyalkylene phenylene ester ether, said polyalkylene phenylene ester and polyalkylene phenylene ester ether having the following formula;
##STR4## wherein R1, R2, R3 and R4 are the same or different and are each hydrogen, an alkyl having 1 to 6 carbon atoms, a halogen, an alkoxy having 1 to 6 carbon atoms, an alkoxycarbonyl having 2 to 6 carbon atoms, cyano, amino, sulfonyl, nitro or phenoxy;
X is a divalent aliphatic hydrocarbon group having 1 to 10 carbon atoms;
Y is --COO-- or --O--; and
n is 30 to 500. - View Dependent Claims (2)
- (II)=1;
Specification