JPS562309A - Preparation of aqueous dispersion of copolymer - Google Patents
Preparation of aqueous dispersion of copolymerInfo
- Publication number
- JPS562309A JPS562309A JP7860379A JP7860379A JPS562309A JP S562309 A JPS562309 A JP S562309A JP 7860379 A JP7860379 A JP 7860379A JP 7860379 A JP7860379 A JP 7860379A JP S562309 A JPS562309 A JP S562309A
- Authority
- JP
- Japan
- Prior art keywords
- ester
- copolymer
- polymerization system
- continuously
- aqueous dispersion
- 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 dispersion of a copolymer having excellent heat flowability and strength, by adding a specific amount of a polyallyl ester of a polybasic acid to vinyl chloride and a vinyl ester, feeding the mixture continuously to an aqueous polymerization system under ethylene pressure, and carrying out emulsion polymerization. CONSTITUTION:In the copolymerization of (A) vinyl chloride, (B) a vinyl ester and (C) thylene in an aqueous solvent, the polymerization system is fed with (D) 0.1-1.0wt%, based on (A)+(B), of a polyallyl ester of a polybasic acid expressed by the formula (X1-X4 are allyl ester group or one of them is H), continuously, under ethylene pressure, in the presence of an emulsifier and a radical polymerization initiator. More than 60wt% of the component (A) and (B) are continuously added to the polymerization system, and a copolymer consisting of 20-75wt% of (A), 15-70wt% of (B) and 5-30wt% of (C) and containing 5-60wt% of the fraction insoluble in benzene, is obtained.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7860379A JPS562309A (en) | 1979-06-20 | 1979-06-20 | Preparation of aqueous dispersion 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 |
---|---|---|---|
JP7860379A JPS562309A (en) | 1979-06-20 | 1979-06-20 | Preparation of aqueous dispersion of copolymer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS562309A true JPS562309A (en) | 1981-01-12 |
JPS6250487B2 JPS6250487B2 (en) | 1987-10-26 |
Family
ID=13666465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7860379A Granted JPS562309A (en) | 1978-09-26 | 1979-06-20 | Preparation of aqueous dispersion of copolymer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS562309A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6291503A (en) * | 1985-10-16 | 1987-04-27 | Kanegafuchi Chem Ind Co Ltd | Production of chlorinated vinyl chloride resin |
-
1979
- 1979-06-20 JP JP7860379A patent/JPS562309A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6291503A (en) * | 1985-10-16 | 1987-04-27 | Kanegafuchi Chem Ind Co Ltd | Production of chlorinated vinyl chloride resin |
Also Published As
Publication number | Publication date |
---|---|
JPS6250487B2 (en) | 1987-10-26 |
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