JPS5378291A - Method for suppressing increase of molecular weight of ethylene copoymer rubber - Google Patents

Method for suppressing increase of molecular weight of ethylene copoymer rubber

Info

Publication number
JPS5378291A
JPS5378291A JP15422176A JP15422176A JPS5378291A JP S5378291 A JPS5378291 A JP S5378291A JP 15422176 A JP15422176 A JP 15422176A JP 15422176 A JP15422176 A JP 15422176A JP S5378291 A JPS5378291 A JP S5378291A
Authority
JP
Japan
Prior art keywords
molecular weight
ethylene
suppressing increase
rubber
copoymer
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
JP15422176A
Other languages
Japanese (ja)
Inventor
Shigeru Wada
Toshio Kobayashi
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.)
Mitsui Petrochemical Industries Ltd
Original Assignee
Mitsui Petrochemical Industries 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 Mitsui Petrochemical Industries Ltd filed Critical Mitsui Petrochemical Industries Ltd
Priority to JP15422176A priority Critical patent/JPS5378291A/en
Publication of JPS5378291A publication Critical patent/JPS5378291A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To suppress the increase of the molecular weight of an ethylene copolymer rubber without deactivation of a catalyst, by adding polyoxypropylene glycol after completion of polymerization.
COPYRIGHT: (C)1978,JPO&Japio
JP15422176A 1976-12-23 1976-12-23 Method for suppressing increase of molecular weight of ethylene copoymer rubber Pending JPS5378291A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15422176A JPS5378291A (en) 1976-12-23 1976-12-23 Method for suppressing increase of molecular weight of ethylene copoymer rubber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15422176A JPS5378291A (en) 1976-12-23 1976-12-23 Method for suppressing increase of molecular weight of ethylene copoymer rubber

Publications (1)

Publication Number Publication Date
JPS5378291A true JPS5378291A (en) 1978-07-11

Family

ID=15579484

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15422176A Pending JPS5378291A (en) 1976-12-23 1976-12-23 Method for suppressing increase of molecular weight of ethylene copoymer rubber

Country Status (1)

Country Link
JP (1) JPS5378291A (en)

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