JPS5755911A - Modified copolymer having bicyclo orthoester group - Google Patents

Modified copolymer having bicyclo orthoester group

Info

Publication number
JPS5755911A
JPS5755911A JP12864280A JP12864280A JPS5755911A JP S5755911 A JPS5755911 A JP S5755911A JP 12864280 A JP12864280 A JP 12864280A JP 12864280 A JP12864280 A JP 12864280A JP S5755911 A JPS5755911 A JP S5755911A
Authority
JP
Japan
Prior art keywords
copolymer
ethylenically unsaturated
unsaturated compound
modified copolymer
bicyclo orthoester
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
JP12864280A
Other languages
Japanese (ja)
Other versions
JPH0128055B2 (en
Inventor
Takeshi Endo
Kiyokazu Mizutani
Yoshihisa Ogasawara
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.)
Toagosei Co Ltd
Original Assignee
Toagosei 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 Toagosei Co Ltd filed Critical Toagosei Co Ltd
Priority to JP12864280A priority Critical patent/JPS5755911A/en
Publication of JPS5755911A publication Critical patent/JPS5755911A/en
Publication of JPH0128055B2 publication Critical patent/JPH0128055B2/ja
Granted legal-status Critical Current

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  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

PURPOSE: A modified copolymer of an ethylenically unsaturated compound, useful in the production of volume shrinkage-free, well-adhering paints, internal strain-free adhesives, dimensional stability-requiring casting materials, etc., containing bicyclo orthoester groups.
CONSTITUTION: A modified copolymer of a bicyclo orthoester group-containing unsaturated compound, comprising structural units of the formula, wherein A is a monomer unit consisting of at least one ethylenically unsaturated compound, except the case where A consists of styrene alone, R is a lower alkyl and x and y are molar fractions of the repeating monomer units. When an ethylenically unsaturated monomer is homopolymerized or copolymerized, a considerable volume shrinkage occurs, whereas this copolymer, when crosslinked by opening the ortho ester ring, does not shrink but expands to an extent of about 1%. Accordingly, the copolymer is employed in moldings, castings, paints, adhesives, etc., which require dimensional stability.
COPYRIGHT: (C)1982,JPO&Japio
JP12864280A 1980-09-18 1980-09-18 Modified copolymer having bicyclo orthoester group Granted JPS5755911A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12864280A JPS5755911A (en) 1980-09-18 1980-09-18 Modified copolymer having bicyclo orthoester group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12864280A JPS5755911A (en) 1980-09-18 1980-09-18 Modified copolymer having bicyclo orthoester group

Publications (2)

Publication Number Publication Date
JPS5755911A true JPS5755911A (en) 1982-04-03
JPH0128055B2 JPH0128055B2 (en) 1989-05-31

Family

ID=14989862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12864280A Granted JPS5755911A (en) 1980-09-18 1980-09-18 Modified copolymer having bicyclo orthoester group

Country Status (1)

Country Link
JP (1) JPS5755911A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60186510A (en) * 1984-03-07 1985-09-24 Toagosei Chem Ind Co Ltd Photo-setting resin composition
JPH02281015A (en) * 1989-04-21 1990-11-16 Japan Synthetic Rubber Co Ltd Production of conjugated diene copolymer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60186510A (en) * 1984-03-07 1985-09-24 Toagosei Chem Ind Co Ltd Photo-setting resin composition
JPH02281015A (en) * 1989-04-21 1990-11-16 Japan Synthetic Rubber Co Ltd Production of conjugated diene copolymer

Also Published As

Publication number Publication date
JPH0128055B2 (en) 1989-05-31

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