Aromatic polyester composition and process for producing the sam

Details Aromatic polyester composition and process for producing the sam Aromatic polyester composition and process for producing the sam

1988-05-13

1989-11-07

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524303, 524304, 525 67, 525113, 525116, 525118, 525119, 525120, 525121, 525122, 525438, C08K 515, C08L 6704

Patent

active

048793280

ABSTRACT:
Disclosed is a polyester composition comprising (a) 100 parts by weight of an aromatic polyester; (b) 0.005-10 parts by weight of an epoxy compound of the formula (I): ##STR1## (wherein Ar means C.sub.6 -C.sub.20 aromatic group or C.sub.6 l-C.sub.20 alicyclic group, n means an integer of 0-20); and (c) 1-70 parts by weight of at least one elastomer which has at least one functional group selected from the group consisting of epoxy groups, carboxyl group, carboxylate ester groups, carboxylic acid amide groups, acid anhydride group, imide groups, carboxylate salt groups, hydroxyl group, amino group and cyano group, the elastomer having a tensile modulus of 1-6,000 kg/cm.sup.2. The polyester resin composition of the present invention can easily be molded and the obtained molded article excells in mechanical properties such as impact strength. The obtained molded article also excells in flowability and residence stability during the molding, and in hydrolysis stablity, resistance to thermal cycling and in weatherability.

REFERENCES:
patent: 3222420 (1965-12-01), Heppolette
patent: 3560605 (1971-02-01), Siggel et al.
patent: 4130549 (1978-12-01), Ueno et al.
patent: 4130601 (1978-12-01), Ohoka et al.
patent: 4222928 (1980-09-01), Kawamura et al.
patent: 4308195 (1981-12-01), Mayer et al.
patent: 4331782 (1982-05-01), Linden
patent: 4348500 (1982-09-01), Robeson et al.
patent: 4699942 (1987-10-01), Weaver et al.

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