JPS56141347A - Polyester composition - Google Patents
Polyester compositionInfo
- Publication number
- JPS56141347A JPS56141347A JP4598480A JP4598480A JPS56141347A JP S56141347 A JPS56141347 A JP S56141347A JP 4598480 A JP4598480 A JP 4598480A JP 4598480 A JP4598480 A JP 4598480A JP S56141347 A JPS56141347 A JP S56141347A
- Authority
- JP
- Japan
- Prior art keywords
- polyester
- rise
- glass fibers
- mold
- polyester composition
- 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: The titled composition capable of providing a molded article especially suitable for electrical parts, etc., crystallizing in a mold at relatively low temperature, having improved dimensional stability, obtained by blending a polyester with glass fibers and a calcium monocarboxylate.
CONSTITUTION: 100pts.wt. Polyester such as polyethylene terephthalate or polyester consisting of ≥80mol%, preferably ≥90mol% repeating unit of ethylene terephthalate, preferably having an intrinsic viscosity in a solvent of phenol/tetrachloroethane at 30°C of ≥0.5, preferably ≥0.55, is blended with 5W150pts.wt. glass fibers (preferably diameters of 3W30μ) and 0.1W10pts.wt. calcium monocarboxylate as a crystallization promotor. The mold temperature required to rise to ≥130°C can be made to rise to 60W100°C.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4598480A JPS56141347A (en) | 1980-04-08 | 1980-04-08 | Polyester composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4598480A JPS56141347A (en) | 1980-04-08 | 1980-04-08 | Polyester composition |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56141347A true JPS56141347A (en) | 1981-11-05 |
Family
ID=12734426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4598480A Pending JPS56141347A (en) | 1980-04-08 | 1980-04-08 | Polyester composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56141347A (en) |
-
1980
- 1980-04-08 JP JP4598480A patent/JPS56141347A/en active Pending
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