JPS56141347A - Polyester composition - Google Patents

Polyester composition

Info

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
Application number
JP4598480A
Other languages
Japanese (ja)
Inventor
Masahiro Hayashi
Kan Yoshimura
Seiichi Mukai
Masaharu Shikama
Hideto Kusumoto
Tsutomu Baba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Kasei Corp filed Critical Mitsubishi Kasei Corp
Priority to JP4598480A priority Critical patent/JPS56141347A/en
Publication of JPS56141347A publication Critical patent/JPS56141347A/en
Pending legal-status Critical Current

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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
JP4598480A 1980-04-08 1980-04-08 Polyester composition Pending JPS56141347A (en)

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)

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