JPS57172951A - Resin molded article - Google Patents
Resin molded articleInfo
- Publication number
- JPS57172951A JPS57172951A JP5723281A JP5723281A JPS57172951A JP S57172951 A JPS57172951 A JP S57172951A JP 5723281 A JP5723281 A JP 5723281A JP 5723281 A JP5723281 A JP 5723281A JP S57172951 A JPS57172951 A JP S57172951A
- Authority
- JP
- Japan
- Prior art keywords
- molded article
- warpage
- resin molded
- block copolymer
- mold release
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
PURPOSE: To provide a resin molded article which has good mold release characteristics and does not have molding defects such as sink marks and warpage, by mixing a specified polyether ester block copolymer with fine particles of polybutylene terephthalate.
CONSTITUTION: 0.1W10pts.wt. fine polyethylene terephthalate particles having crystallinity of 40% or above and an avergae particle size of 50μ or below are homogeneously mixed with 100pts.wt. polyether ester block copolymer in which terephthalic acid, 1,4-butanediol and a polyoxyalkylene glycol having a number average MW of 300W6,000 such as poly(tetramethylene oxide) glycol are used as essential components and which contains 5W80wt% polyoxyalkylene glycol. The resulting molded article has excellent moldability such that the article has good mold release charcteristics and does not have molding defects such as sink marks and warpage, and molding cycle can be shortened.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5723281A JPS57172951A (en) | 1981-04-17 | 1981-04-17 | Resin molded article |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5723281A JPS57172951A (en) | 1981-04-17 | 1981-04-17 | Resin molded article |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57172951A true JPS57172951A (en) | 1982-10-25 |
Family
ID=13049777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5723281A Pending JPS57172951A (en) | 1981-04-17 | 1981-04-17 | Resin molded article |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57172951A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01201361A (en) * | 1987-12-02 | 1989-08-14 | General Electric Co <Ge> | Improved nuclear forming agent-containing thermoplastic copolyester molding composition |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4845547A (en) * | 1971-10-05 | 1973-06-29 | ||
JPS54139685A (en) * | 1978-04-21 | 1979-10-30 | Toray Industries | Polyester elastomer moldings |
JPS5641249A (en) * | 1980-08-18 | 1981-04-17 | Toray Ind Inc | Polyester elastomer molded article |
-
1981
- 1981-04-17 JP JP5723281A patent/JPS57172951A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4845547A (en) * | 1971-10-05 | 1973-06-29 | ||
JPS54139685A (en) * | 1978-04-21 | 1979-10-30 | Toray Industries | Polyester elastomer moldings |
JPS5641249A (en) * | 1980-08-18 | 1981-04-17 | Toray Ind Inc | Polyester elastomer molded article |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01201361A (en) * | 1987-12-02 | 1989-08-14 | General Electric Co <Ge> | Improved nuclear forming agent-containing thermoplastic copolyester molding composition |
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