JPS54156092A - Preparation of monoolefin-alpha,beta-unsaturated dicarboxylic acid anhydride copolymer - Google Patents

Preparation of monoolefin-alpha,beta-unsaturated dicarboxylic acid anhydride copolymer

Info

Publication number
JPS54156092A
JPS54156092A JP6530978A JP6530978A JPS54156092A JP S54156092 A JPS54156092 A JP S54156092A JP 6530978 A JP6530978 A JP 6530978A JP 6530978 A JP6530978 A JP 6530978A JP S54156092 A JPS54156092 A JP S54156092A
Authority
JP
Japan
Prior art keywords
monoolefin
dicarboxylic acid
acid anhydride
unsaturated dicarboxylic
copolymer
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
JP6530978A
Other languages
Japanese (ja)
Other versions
JPS626567B2 (en
Inventor
Tsunehisa Ueda
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.)
Zeon Corp
Original Assignee
Nippon Zeon 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 Nippon Zeon Co Ltd filed Critical Nippon Zeon Co Ltd
Priority to JP6530978A priority Critical patent/JPS54156092A/en
Publication of JPS54156092A publication Critical patent/JPS54156092A/en
Publication of JPS626567B2 publication Critical patent/JPS626567B2/ja
Granted legal-status Critical Current

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  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

PURPOSE: To prepare efficiently a monoolefin-α,β-unsaturated dicarboxylic acid anhydride copolymer useful as a dispersant for dyes or pigments, etc. suppressing the formation of deposits on the wall of the polymerization vessel, by adding an ethylene-vinyl ester copolymer to the polymerization system as a dispersant.
CONSTITUTION: A mixture comprising (A) a monoolefin (e.g. isobutylene, etc.), (B) an α,β-unsaturated dicarboxylic acid anhydride (e.g. maleic anhydride, etc.) and (C) an ethylene-vinyl ester copolymer (e.g. ethylene-vinyl acetate copolymer, etc.) as a dispersant, is radically polymerized to give a copolymer. Preferably the component (C) contains 5W50 wt.% of the vinyl ester and has a melt index of 5W 1,000 g/10 min.
COPYRIGHT: (C)1979,JPO&Japio
JP6530978A 1978-05-31 1978-05-31 Preparation of monoolefin-alpha,beta-unsaturated dicarboxylic acid anhydride copolymer Granted JPS54156092A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6530978A JPS54156092A (en) 1978-05-31 1978-05-31 Preparation of monoolefin-alpha,beta-unsaturated dicarboxylic acid anhydride copolymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6530978A JPS54156092A (en) 1978-05-31 1978-05-31 Preparation of monoolefin-alpha,beta-unsaturated dicarboxylic acid anhydride copolymer

Publications (2)

Publication Number Publication Date
JPS54156092A true JPS54156092A (en) 1979-12-08
JPS626567B2 JPS626567B2 (en) 1987-02-12

Family

ID=13283168

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6530978A Granted JPS54156092A (en) 1978-05-31 1978-05-31 Preparation of monoolefin-alpha,beta-unsaturated dicarboxylic acid anhydride copolymer

Country Status (1)

Country Link
JP (1) JPS54156092A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6213419A (en) * 1985-07-10 1987-01-22 Nippon Zeon Co Ltd Production of alpha, beta-unsaturated dicarboxylic acid anhydride polymer
EP0260386A2 (en) * 1986-08-20 1988-03-23 Hüls Aktiengesellschaft Process for the manufacture of moulding copolymers of olefines and maleic-acid anhydride

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6213419A (en) * 1985-07-10 1987-01-22 Nippon Zeon Co Ltd Production of alpha, beta-unsaturated dicarboxylic acid anhydride polymer
EP0260386A2 (en) * 1986-08-20 1988-03-23 Hüls Aktiengesellschaft Process for the manufacture of moulding copolymers of olefines and maleic-acid anhydride

Also Published As

Publication number Publication date
JPS626567B2 (en) 1987-02-12

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