GB1030212A - Improvements in and relating to polyacrylonitrile solutions - Google Patents
Improvements in and relating to polyacrylonitrile solutionsInfo
- Publication number
- GB1030212A GB1030212A GB33815/61A GB3381561A GB1030212A GB 1030212 A GB1030212 A GB 1030212A GB 33815/61 A GB33815/61 A GB 33815/61A GB 3381561 A GB3381561 A GB 3381561A GB 1030212 A GB1030212 A GB 1030212A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hydrogen
- specified
- acrylonitrile
- polyacrylonitrile
- relating
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/42—Nitriles
- C08F20/44—Acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polymerization Catalysts (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Solutions of polyacrylonitrile or copolymers containing at least 80% of acrylonitrile are obtained by polymerizing acrylonitrile, with comnomers, if desired, in a concentrated aqueous solution of an inorganic thiocyanate at a pH of 3.5 to 8 in the presence of an azo initiator and a reducing agent having the formula:- <FORM:1030212/C3/1> where R is alkyl, substituted alkyl or hydrogen, and X is a cation or hydrogen, e.g. d-xyloascorbic, erythroascorbic and araboascorbic acids and salts thereof. Azobisisobutyronitrile is specified as an initiator. Comonomers specified are methyl acrylate, vinyl acetate, vinyl pyridine and styrene. When the reaction is carried out in contact with a ferrous metal the pH of the polymerization mixture should be from 6 to 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB33815/61A GB1030212A (en) | 1961-09-21 | 1961-09-21 | Improvements in and relating to polyacrylonitrile solutions |
| FR910097A FR1334174A (en) | 1961-09-21 | 1962-09-21 | Production of polyacrylonitrile solutions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB33815/61A GB1030212A (en) | 1961-09-21 | 1961-09-21 | Improvements in and relating to polyacrylonitrile solutions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1030212A true GB1030212A (en) | 1966-05-18 |
Family
ID=10357815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33815/61A Expired GB1030212A (en) | 1961-09-21 | 1961-09-21 | Improvements in and relating to polyacrylonitrile solutions |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1030212A (en) |
-
1961
- 1961-09-21 GB GB33815/61A patent/GB1030212A/en not_active Expired
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