JPS56103202A - Preparation of vinyl polymer - Google Patents
Preparation of vinyl polymerInfo
- Publication number
- JPS56103202A JPS56103202A JP16109879A JP16109879A JPS56103202A JP S56103202 A JPS56103202 A JP S56103202A JP 16109879 A JP16109879 A JP 16109879A JP 16109879 A JP16109879 A JP 16109879A JP S56103202 A JPS56103202 A JP S56103202A
- Authority
- JP
- Japan
- Prior art keywords
- gelatinous
- added
- dispersing agent
- polymer
- monomer
- 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
Links
Abstract
PURPOSE: To obtain the titled polymer, having improved plasticizer absorptivity, and capable of giving a molded article with good mechanical properties, by polymerizing a vinyl monomer in the presence of a gelatinous dispersing agent, and reacting the resultant polymer with a proteolytic enzyme to remove the gelatinous dispersing agent efficiently.
CONSTITUTION: A polymerizing vessel is charged with pure water, an aqueous solution of a gelatinous dispersing agent, e.g. gelatin treated with an alkali, and phosphoric acid, and the internal temperature is increased. A vinyl monomer, e.g. vinyl chloride monomer, is then added thereto. A radical polymerization initiator, e.g. 2,2'-azo-bis(2,4-dimethylvaleronitrile), is dissolved in dichloroethylene, etc. and injected into the vessel to carry out the suspension polymerization. After the reaction is completed, the unreacted monomer is removed in vacuo, and an aqueous solution of sodium carbonate is added to adjust the pH to 6.9. A proteolytic enzme, e.g. nagarse, is added to decompose the gelatin. The reaction suspension is then dehydrated and dried to give the aimed polymer.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16109879A JPS56103202A (en) | 1979-12-12 | 1979-12-12 | Preparation of vinyl polymer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16109879A JPS56103202A (en) | 1979-12-12 | 1979-12-12 | Preparation of vinyl polymer |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2361281A Division JPS56125401A (en) | 1981-02-19 | 1981-02-19 | Production of vinyl type polymer |
JP3512281A Division JPS56163104A (en) | 1981-03-11 | 1981-03-11 | Production of vinyl chloride polymer |
JP25234985A Division JPS61141704A (en) | 1985-11-11 | 1985-11-11 | Production of vinyl polymer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56103202A true JPS56103202A (en) | 1981-08-18 |
Family
ID=15728559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16109879A Pending JPS56103202A (en) | 1979-12-12 | 1979-12-12 | Preparation of vinyl polymer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56103202A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3138064A1 (en) * | 1980-09-26 | 1982-05-13 | Nippon Zeon Co., Ltd., Tokyo | METHOD FOR PRODUCING A PASTE-SHAPED VINYL CHLORIDE MIXED RESIN |
JPS58173105A (en) * | 1982-04-05 | 1983-10-12 | Mitsubishi Monsanto Chem Co | Production of vinyl polymer |
CN1056475C (en) * | 1995-07-10 | 2000-09-13 | 株式会社小寺电子制作所 | Device for inserting wire to be worked |
KR101310524B1 (en) * | 2009-12-18 | 2013-09-23 | 주식회사 엘지화학 | Method of preparing vinyl chloride paste resin having good thermal stability |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5291034A (en) * | 1976-01-27 | 1977-08-01 | Nippon Paint Co Ltd | Method of manufacturing pigment dispersed composition for thermosettin g paint |
JPS55145709A (en) * | 1979-05-02 | 1980-11-13 | Nippon Zeon Co Ltd | Preparation of vinyl chloride resin for paste compounding |
-
1979
- 1979-12-12 JP JP16109879A patent/JPS56103202A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5291034A (en) * | 1976-01-27 | 1977-08-01 | Nippon Paint Co Ltd | Method of manufacturing pigment dispersed composition for thermosettin g paint |
JPS55145709A (en) * | 1979-05-02 | 1980-11-13 | Nippon Zeon Co Ltd | Preparation of vinyl chloride resin for paste compounding |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3138064A1 (en) * | 1980-09-26 | 1982-05-13 | Nippon Zeon Co., Ltd., Tokyo | METHOD FOR PRODUCING A PASTE-SHAPED VINYL CHLORIDE MIXED RESIN |
JPS58173105A (en) * | 1982-04-05 | 1983-10-12 | Mitsubishi Monsanto Chem Co | Production of vinyl polymer |
CN1056475C (en) * | 1995-07-10 | 2000-09-13 | 株式会社小寺电子制作所 | Device for inserting wire to be worked |
KR101310524B1 (en) * | 2009-12-18 | 2013-09-23 | 주식회사 엘지화학 | Method of preparing vinyl chloride paste resin having good thermal stability |
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