JPS5545738A - Preparation of aqueous suspension of copolymer - Google Patents

Preparation of aqueous suspension of copolymer

Info

Publication number
JPS5545738A
JPS5545738A JP11897978A JP11897978A JPS5545738A JP S5545738 A JPS5545738 A JP S5545738A JP 11897978 A JP11897978 A JP 11897978A JP 11897978 A JP11897978 A JP 11897978A JP S5545738 A JPS5545738 A JP S5545738A
Authority
JP
Japan
Prior art keywords
copolymer
aqueous suspension
ethylene
ester
dibasic acid
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
JP11897978A
Other languages
Japanese (ja)
Other versions
JPS6131722B2 (en
Inventor
Shizuo Narisawa
Takeo Oyamada
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP11897978A priority Critical patent/JPS5545738A/en
Priority to GB7932178A priority patent/GB2030996B/en
Priority to US06/078,138 priority patent/US4299941A/en
Priority to DE19792938967 priority patent/DE2938967A1/en
Publication of JPS5545738A publication Critical patent/JPS5545738A/en
Publication of JPS6131722B2 publication Critical patent/JPS6131722B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To prepare an aqueous suspension of a copolymer having improved heat fluidity, capable of giving films with a high strength, by adding vinyl chloride or a vinyl ester containing a diallyl ester of a dibasic acid to an emulsion polymerization system of ethylene under pressure.
CONSTITUTION: Water, an emulsifying agent, a radical polymerization initiator, and 40wt.% or less based on the total amount of vinyl chloride (VC) and a vinyl ester (VE) of VC and VE are changed into a reaction system, and polymerization is started under an ethylene pressure of 15W150kg/cm2, 30W70°C and a pH of 3W7. 60wt.% or more of VC and/or VE containing 0.1W10wt.% of a diallyl ester of a dibasic acid of the formula (R is 2W10C hydrocarbon group) is continuously added to the system to give an aqueous suspension of a copolymer comprising 20W 75wt.% of VC, 15W70wt.% of VE, and 5W30wt.% of ethylene, with a benzene- insoluble content of 5W60wt.%.
COPYRIGHT: (C)1980,JPO&Japio
JP11897978A 1978-09-26 1978-09-26 Preparation of aqueous suspension of copolymer Granted JPS5545738A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP11897978A JPS5545738A (en) 1978-09-26 1978-09-26 Preparation of aqueous suspension of copolymer
GB7932178A GB2030996B (en) 1978-09-26 1979-09-17 Process for producing aqueous emulsions of vinyl chloride/vinyl ester/ethylene copolymer
US06/078,138 US4299941A (en) 1978-09-26 1979-09-24 Process for producing aqueous emulsions of vinyl chloride/vinyl ester/ethylene copolymer
DE19792938967 DE2938967A1 (en) 1978-09-26 1979-09-26 METHOD FOR PRODUCING AQUEOUS VINYL CHLORIDE VINYL ESTER AETHYLENE COPOLYMERISATE EMULSIONS AND THE USE THEREOF

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11897978A JPS5545738A (en) 1978-09-26 1978-09-26 Preparation of aqueous suspension of copolymer

Publications (2)

Publication Number Publication Date
JPS5545738A true JPS5545738A (en) 1980-03-31
JPS6131722B2 JPS6131722B2 (en) 1986-07-22

Family

ID=14750006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11897978A Granted JPS5545738A (en) 1978-09-26 1978-09-26 Preparation of aqueous suspension of copolymer

Country Status (1)

Country Link
JP (1) JPS5545738A (en)

Also Published As

Publication number Publication date
JPS6131722B2 (en) 1986-07-22

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