JPS5755911A - Modified copolymer having bicyclo orthoester group - Google Patents
Modified copolymer having bicyclo orthoester groupInfo
- 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
Links
Landscapes
- 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
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)
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 |
-
1980
- 1980-09-18 JP JP12864280A patent/JPS5755911A/en active Granted
Cited By (2)
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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