JPS5622314A - Low-shrinking unsaturated polyester resin composition having high early strength - Google Patents

Low-shrinking unsaturated polyester resin composition having high early strength

Info

Publication number
JPS5622314A
JPS5622314A JP9776379A JP9776379A JPS5622314A JP S5622314 A JPS5622314 A JP S5622314A JP 9776379 A JP9776379 A JP 9776379A JP 9776379 A JP9776379 A JP 9776379A JP S5622314 A JPS5622314 A JP S5622314A
Authority
JP
Japan
Prior art keywords
polycarboxylic acid
resin composition
unsaturated polyester
prepared
polyhydric alcohol
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
JP9776379A
Other languages
Japanese (ja)
Inventor
Yasuhisa Saito
Ikuo Yoshiga
Shinichiro Kitayama
Yasuo Akita
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP9776379A priority Critical patent/JPS5622314A/en
Publication of JPS5622314A publication Critical patent/JPS5622314A/en
Pending legal-status Critical Current

Links

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Macromonomer-Based Addition Polymer (AREA)

Abstract

PURPOSE: Titled resin composition which provides molded products having excellent dimensional stability, prepared by mixing a specific unsaturated polyester resin with a saturated polyester and an unsaturated monomer copolymerizable with the unsaturated polyester.
CONSTITUTION: Titled resin composition is prepared by mixing (A) 99W80pts.wt. of an unsaturated polyester resin, softening point 35W55°C, prepared by reacting a polycarboxylic acid component comprising 30W90mol% of an unsaturated polycarboxylic acid and 70W10mol% of a saturated polycarboxylic acid containing at least 50mol% of an aromatic polycarboxylic acid, with a polyhydric alcohol component containing at least 50mol% of a branched polyhydric alcohol, (B) 1W20pts.wt. of a saturated polyester, weight-average MW5,000W50,000, prepared by reacting a saturated polycarboxylic acid with a polyhydric alcohol component containing at least 50mol% of a branched polyhydric alcohol and (C) 20W150pts.wt. of an unsaturated monomer copolymerizable with component (A).
COPYRIGHT: (C)1981,JPO&Japio
JP9776379A 1979-07-30 1979-07-30 Low-shrinking unsaturated polyester resin composition having high early strength Pending JPS5622314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9776379A JPS5622314A (en) 1979-07-30 1979-07-30 Low-shrinking unsaturated polyester resin composition having high early strength

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9776379A JPS5622314A (en) 1979-07-30 1979-07-30 Low-shrinking unsaturated polyester resin composition having high early strength

Publications (1)

Publication Number Publication Date
JPS5622314A true JPS5622314A (en) 1981-03-02

Family

ID=14200900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9776379A Pending JPS5622314A (en) 1979-07-30 1979-07-30 Low-shrinking unsaturated polyester resin composition having high early strength

Country Status (1)

Country Link
JP (1) JPS5622314A (en)

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