Claims
- 1. A method for producing a thermoplastic resin composition which comprises:
- melt-kneading (A) 60-97 parts by weight of polybutylene terephthalate and (B) 40-3 parts by weight of an epoxy group-containing ethylene copolymer consisting essentially of:
- (a) 30-99% by weight of ethylene units,
- (b) 20-1% by weight of .alpha.,.beta.-unsaturated carboxylic acid glycidyl ester units, and
- (c) 70-0% by weight of ester unit selected from carboxylic acid vinyl ester unit and .alpha.,.beta.-unsaturated carboxylic acid alkyl ester unit,
- wherein (B) is prepared by copolymerizing (a), (b) and (c) at 100.degree.-300.degree. C. under 500-4000 atm in the presence of a radical forming agent, and then
- melt-kneading the resulting composition with (C) 0.01-20 parts by weight of at least one of terephthalic acid, isophthalic acid, adipic acid, sebacic acid and dodecanoic acid to carry out a partial crosslinking reaction.
Priority Claims (1)
Number |
Date |
Country |
Kind |
62-80786 |
Mar 1987 |
JPX |
|
RELATED APPLICATIONS
This application is a division of U.S. application Ser. No. 07/492,471 filed Mar. 12, 1990, pending, which is a continuation of U.S. application Ser. No. 07/157,262 filed Feb. 18, 1990, now abandoned.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4172859 |
Epstein |
Oct 1979 |
|
4956501 |
Sunseri |
Sep 1990 |
|
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Divisions (1)
|
Number |
Date |
Country |
Parent |
492471 |
Mar 1990 |
|
Continuations (1)
|
Number |
Date |
Country |
Parent |
157262 |
Feb 1990 |
|