GB885091A - Improvements in or relating to the bulk polymerisation of methacrylic esters - Google Patents

Improvements in or relating to the bulk polymerisation of methacrylic esters

Info

Publication number
GB885091A
GB885091A GB11907/59A GB1190759A GB885091A GB 885091 A GB885091 A GB 885091A GB 11907/59 A GB11907/59 A GB 11907/59A GB 1190759 A GB1190759 A GB 1190759A GB 885091 A GB885091 A GB 885091A
Authority
GB
United Kingdom
Prior art keywords
copolymer
polymer
comonomer
syrup
ester
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
Application number
GB11907/59A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Original Assignee
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU filed Critical Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Publication of GB885091A publication Critical patent/GB885091A/en
Expired legal-status Critical Current

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
    • C08F20/10—Esters
    • C08F20/12—Esters of monohydric alcohols or phenols
    • C08F20/14—Methyl esters, e.g. methyl (meth)acrylate
    • 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
    • C08F2/02—Polymerisation in bulk
    • 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
    • C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
    • C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
    • C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof

Abstract

A syrup, for use in the production of mouldings by the bulk polymerization method, comprises from 20 to 50% of a low molecular weight polymer or copolymer of a methacrylic ester dissolved in a monomeric methacrylic ester, alone or in admixture with at least one other ethylenic copolymerizable monomer, the polymer or copolymer having an intrinsic viscosity in chloroform at 25 DEG C. of from 0,6 d 1/g. The comonomer must be one which does not cause adhesion between the moulded article and the surface of the mould. The polymer or copolymer is preferably in the form of beads of diameter 0,1 to 1 mm. obtained by emulsion polymerization. The comonomer is preferably an acrylate or methacrylate ester, e.g. ethyl acrylate, and the methacrylate monomer is preferably the methyl ester. Various other substances may be present in the syrup, such as plasticizers, lubricants, dyes, pigments, fillers or regulators (such as mercaptans, e.g. dodecyl mercaptan). The polymerization may be initiated by a promoter, e.g. lauroyl peroxide.
GB11907/59A 1958-06-07 1959-04-08 Improvements in or relating to the bulk polymerisation of methacrylic esters Expired GB885091A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1117876X 1958-06-07

Publications (1)

Publication Number Publication Date
GB885091A true GB885091A (en) 1961-12-20

Family

ID=9630213

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11907/59A Expired GB885091A (en) 1958-06-07 1959-04-08 Improvements in or relating to the bulk polymerisation of methacrylic esters

Country Status (4)

Country Link
BE (1) BE576475A (en)
DE (1) DE1117876B (en)
FR (1) FR1198198A (en)
GB (1) GB885091A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3402830B1 (en) * 2016-01-11 2022-09-07 Arkema France Liquid composition comprising a multistage polymer, its method of preparation and its use

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE684533C (en) * 1930-02-22 1939-11-30 Roehm & Haas G M B H plastic
DE652821C (en) * 1935-09-20 1937-11-09 Roehm & Haas Akt Ges Process for the manufacture of prostheses for dental purposes
US2418828A (en) * 1946-05-29 1947-04-15 Du Pont Polymerization of methyl methacrylate
BE540292A (en) * 1954-08-04

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3402830B1 (en) * 2016-01-11 2022-09-07 Arkema France Liquid composition comprising a multistage polymer, its method of preparation and its use

Also Published As

Publication number Publication date
DE1117876B (en) 1961-11-23
BE576475A (en)
FR1198198A (en) 1959-12-04

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