JPS5545738A - Preparation of aqueous suspension of copolymer - Google Patents
Preparation of aqueous suspension of copolymerInfo
- 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
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
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) |
-
1978
- 1978-09-26 JP JP11897978A patent/JPS5545738A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6131722B2 (en) | 1986-07-22 |
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