JPS5447785A - Suspension polymerization of vinyl chloride - Google Patents
Suspension polymerization of vinyl chlorideInfo
- Publication number
- JPS5447785A JPS5447785A JP11439677A JP11439677A JPS5447785A JP S5447785 A JPS5447785 A JP S5447785A JP 11439677 A JP11439677 A JP 11439677A JP 11439677 A JP11439677 A JP 11439677A JP S5447785 A JPS5447785 A JP S5447785A
- Authority
- JP
- Japan
- Prior art keywords
- polymerization
- vinyl chloride
- water
- autoclave
- total weight
- 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 shorten the heating time to initiate polymerization and prepare vinyl chloride polymer having reduced fish-eyes with high productivity, by changing cool and warm water into a polymerization system separately.
CONSTITUTION: An autoclave is changed with a polymerization initiator, a suspension stabilizer, other additives, and 5W50wt% based on the total weight of water in the polymerization system of cool water at about 30°C or below, and deacrated. The autoclave is then charged with vinyl chloride or its mixture with other monoolefinic unsaturated monomers, and 95W50wt% based on the total weight of water to be present in the system of warm water at a temperature of the polymerization one to 100°C. Suspension polymerization is carried out at 30W80°C.
EFFECT: Vinyl chloride polymer of no fish-eye can be obtained free from coarse particles.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11439677A JPS5850603B2 (en) | 1977-09-22 | 1977-09-22 | Suspension polymerization method of vinyl chloride |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11439677A JPS5850603B2 (en) | 1977-09-22 | 1977-09-22 | Suspension polymerization method of vinyl chloride |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5447785A true JPS5447785A (en) | 1979-04-14 |
JPS5850603B2 JPS5850603B2 (en) | 1983-11-11 |
Family
ID=14636621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11439677A Expired JPS5850603B2 (en) | 1977-09-22 | 1977-09-22 | Suspension polymerization method of vinyl chloride |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5850603B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6047007A (en) * | 1983-08-23 | 1985-03-14 | Shin Etsu Chem Co Ltd | Suspension polymerization of venyl chloride monomer |
JPH03170505A (en) * | 1983-08-23 | 1991-07-24 | Shin Etsu Chem Co Ltd | Method for suspension polymerizing vinyl chloride monomer |
-
1977
- 1977-09-22 JP JP11439677A patent/JPS5850603B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6047007A (en) * | 1983-08-23 | 1985-03-14 | Shin Etsu Chem Co Ltd | Suspension polymerization of venyl chloride monomer |
JPH03170505A (en) * | 1983-08-23 | 1991-07-24 | Shin Etsu Chem Co Ltd | Method for suspension polymerizing vinyl chloride monomer |
Also Published As
Publication number | Publication date |
---|---|
JPS5850603B2 (en) | 1983-11-11 |
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