JPS5463189A - Self-curing liquid chloroprener polyme and its preparation - Google Patents
Self-curing liquid chloroprener polyme and its preparationInfo
- Publication number
- JPS5463189A JPS5463189A JP13013377A JP13013377A JPS5463189A JP S5463189 A JPS5463189 A JP S5463189A JP 13013377 A JP13013377 A JP 13013377A JP 13013377 A JP13013377 A JP 13013377A JP S5463189 A JPS5463189 A JP S5463189A
- Authority
- JP
- Japan
- Prior art keywords
- parts
- monomer
- chloroprene
- self
- curing liquid
- 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 the title polymer having improved storage stability, by copolymerizing chloroprene monomer with an unsaturated glycidyl ester monomer in the presence of a mercaptocarboxylic acid in a uniform solution system.
CONSTITUTION: 100 parts by wt. of a monomer mixture consisting of (A) 99.5W 85wt.% of chloroprene (C) or a monomer copolymerizable with C and (B) 0.5W 15wt.% of an unsaturated glycidyl ester monomer expressed by formula (R is H or 1W12 Calkyl group) is copolymerized in the presence of 0.3W3.5 parts by wt. of thioglycolic acid and a mercaptocarboxylic acid in an amount within the range equivalent to the thioglycolic acid in an organic solvent having a boilng point ≤ 150°C under ordinary pressure selected from aromatic hydrocarbons, aliphatic halogenated hydrocarbons, and cyclic ethers in an amount of 20W200 parts by wt. per 100 parts by wt. of the total monomers and a radical polymerization initiator at 0W100°C to give a self-curing liquid chloroprene polymer having one or more carboxyl groups and 1W2.5 epoxy groups in the molecule and a number-average molecular weight of 3,000W20,000.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13013377A JPS5463189A (en) | 1977-10-29 | 1977-10-29 | Self-curing liquid chloroprener polyme and its preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13013377A JPS5463189A (en) | 1977-10-29 | 1977-10-29 | Self-curing liquid chloroprener polyme and its preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5463189A true JPS5463189A (en) | 1979-05-21 |
| JPS6259132B2 JPS6259132B2 (en) | 1987-12-09 |
Family
ID=15026733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13013377A Granted JPS5463189A (en) | 1977-10-29 | 1977-10-29 | Self-curing liquid chloroprener polyme and its preparation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5463189A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113801256A (en) * | 2020-06-17 | 2021-12-17 | 山纳合成橡胶有限责任公司 | Method for preparing liquid chloroprene rubber through step polymerization and liquid chloroprene rubber prepared through method |
-
1977
- 1977-10-29 JP JP13013377A patent/JPS5463189A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113801256A (en) * | 2020-06-17 | 2021-12-17 | 山纳合成橡胶有限责任公司 | Method for preparing liquid chloroprene rubber through step polymerization and liquid chloroprene rubber prepared through method |
| CN113801256B (en) * | 2020-06-17 | 2023-12-29 | 山纳合成橡胶有限责任公司 | Method for preparing liquid chloroprene rubber by step polymerization and liquid chloroprene rubber prepared by same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6259132B2 (en) | 1987-12-09 |
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