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JPS57195719A - Low-shrinkage unsaturated polyester resin composition - Google Patents

Low-shrinkage unsaturated polyester resin composition

Info

Publication number
JPS57195719A
JPS57195719A JP8195881A JP8195881A JPS57195719A JP S57195719 A JPS57195719 A JP S57195719A JP 8195881 A JP8195881 A JP 8195881A JP 8195881 A JP8195881 A JP 8195881A JP S57195719 A JPS57195719 A JP S57195719A
Authority
JP
Japan
Prior art keywords
unsaturated polyester
polymerization degree
low
resin composition
unsaturated
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.)
Granted
Application number
JP8195881A
Other languages
Japanese (ja)
Other versions
JPH0140059B2 (en
Inventor
Takeshi Okada
Tsuneo Konaka
Michiya Fujiki
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP8195881A priority Critical patent/JPS57195719A/en
Publication of JPS57195719A publication Critical patent/JPS57195719A/en
Publication of JPH0140059B2 publication Critical patent/JPH0140059B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: A low-shrinkage unsaturated polyester resin composition having excellent solution stability, consisting of a specified polymer containing methyl methacrylate, an unsaturated polyester and an unsaturated monomer copolymerizable therewith.
CONSTITUTION: There are mixed together (A) polymethyl methacrylate, polymerization degree 100W300, or a copolymer, polymerization degree 100W300, consisting of methyl methacrylate and an alkyl acrylte or alkyl methacrylate other than methyl methacrylate, (B) an unsaturated polyester having a molar ratio, saturated polycarboxylic acid/unsaturated polycarboxylic acid, of below 1.0 and (C) an unsaturated monomer copolymerizable with the unsaturated polyester. When the polymethyl methacrylate or the copolymer of component A has a polymerization degree <100, a sufficiently low-shrinking effect can not be obtained, whereas when the polymerization degree exceeds 300, compatibility with other components is decreased.
COPYRIGHT: (C)1982,JPO&Japio
JP8195881A 1981-05-29 1981-05-29 Low-shrinkage unsaturated polyester resin composition Granted JPS57195719A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8195881A JPS57195719A (en) 1981-05-29 1981-05-29 Low-shrinkage unsaturated polyester resin composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8195881A JPS57195719A (en) 1981-05-29 1981-05-29 Low-shrinkage unsaturated polyester resin composition

Publications (2)

Publication Number Publication Date
JPS57195719A true JPS57195719A (en) 1982-12-01
JPH0140059B2 JPH0140059B2 (en) 1989-08-24

Family

ID=13761002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8195881A Granted JPS57195719A (en) 1981-05-29 1981-05-29 Low-shrinkage unsaturated polyester resin composition

Country Status (1)

Country Link
JP (1) JPS57195719A (en)

Also Published As

Publication number Publication date
JPH0140059B2 (en) 1989-08-24

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