GB570216A - Improvement in and relating to esters of chloromaleic acid - Google Patents
Improvement in and relating to esters of chloromaleic acidInfo
- Publication number
- GB570216A GB570216A GB5647/43A GB564743A GB570216A GB 570216 A GB570216 A GB 570216A GB 5647/43 A GB5647/43 A GB 5647/43A GB 564743 A GB564743 A GB 564743A GB 570216 A GB570216 A GB 570216A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- esters
- butadiene
- ester
- copolymerized
- 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
- C08F22/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides or nitriles thereof
- C08F22/10—Esters
- C08F22/12—Esters of phenols or saturated alcohols
- C08F22/18—Esters containing halogen
-
- 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
- C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F36/04—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Aralkyl esters of monochlormaleic acid are prepared by esterification of chlormaleic acid by treating the acid or its anhydride with an aralkyl alcohol, for example, benzyl or b -phenethyl alcohol, preferably under reflux and with an acid catalyst. Other esters specified are the g -phenylpropyl, cinnamyl, a -naphthylmethyl, p-tolylethyl, and biphenylethyl diesters. Di-esters containing only one aralkyl radical are included. The esters are copolymerized with butadienes, such as butadiene-1,3 or its 2-chlor- or 2-cyano-derivative, pentadienes, such as isoprene, hexadienes, such as 2-methylpentadiene-1,3 or 2,3-dimethylbutadiene-1,3, styrenes, such as styrene or 2-chlorstyrene, vinyl chloride or bromide, acrylates or alkacrylates, such as methyl acrylate or methacrylate. Ratios of butadiene to ester of from 20 : 80 to 90 : 10 may be used. The emulsion copolymers can be milled with plasticizers and used as moulding and coating compositions. In examples: (1) chlormaleic acid and benzyl alcohol are refluxed with benzene and sulphuric acid using a water trap on the condenser to produce dibenzyl chlormaleate; (2) chlormaleic anhydride and b -phenethyl alcohol similarly give the di-b -phenethyl ester; (3) butadiene-1,3 and the dibenzyl ester in the ratio of 60 : 40 by weight are copolymerized by shaking at 38 DEG C. in the presence of a solution containing buffer, wetting agents, carbon tetrachloride, potassium cyanide, acetaldehyde, and sodium perborate to yield a rubber; (4) the di-b -phenethyl ester is copolymerized similarly with butadiene.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US570216XA | 1942-08-25 | 1942-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB570216A true GB570216A (en) | 1945-06-27 |
Family
ID=22008010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5647/43A Expired GB570216A (en) | 1942-08-25 | 1943-04-08 | Improvement in and relating to esters of chloromaleic acid |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB570216A (en) |
-
1943
- 1943-04-08 GB GB5647/43A patent/GB570216A/en not_active Expired
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