GB938068A - Polymerisation process - Google Patents

Polymerisation process

Info

Publication number
GB938068A
GB938068A GB470562A GB470562A GB938068A GB 938068 A GB938068 A GB 938068A GB 470562 A GB470562 A GB 470562A GB 470562 A GB470562 A GB 470562A GB 938068 A GB938068 A GB 938068A
Authority
GB
United Kingdom
Prior art keywords
butyl
cadmium
tert
mono
thioglycollate
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
GB470562A
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.)
Roehm and Haas GmbH
Original Assignee
Roehm and Haas GmbH
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 Roehm and Haas GmbH filed Critical Roehm and Haas GmbH
Publication of GB938068A publication Critical patent/GB938068A/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
    • C08F4/00—Polymerisation catalysts
    • C08F4/28—Oxygen or compounds releasing free oxygen
    • 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
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/01—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to unsaturated polyesters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polymerisation Methods In General (AREA)
  • Polymerization Catalysts (AREA)

Abstract

Ethylenically unsaturated compounds are polymerized in the presence of a redox polymerization accelerator which comprises an oxidative component and a sulphur compound of formula Me-S-(CH2)n-COOR, Me1[-S-(CH2)n-COOR]2, Me-S-(CH2)n-O-CO-R or Me1[-S-(CH2)n-O-CO-R]2 where Me is a monovalent metal and Me1 is a divalent metal of Group Ib or IIb of the Mendel<\>eeff Periodic System, R is an alkyl, aryl or aralkyl group and n is an integer from 1 to 4. The unsaturated compounds may be styrenes, vinyl esters, the esters, amides and nitriles of acrylic and methacrylic acids, and unsaturated polyesters. The oxidative component may be benzoyl peroxide, lauroyl peroxide, cumene hydroperoxide, butyl hydroperoxide, di-tert-butyl di perphthalate or mono-tert-butyl permaleate. Preferred sulphur compounds are the cadmium and zinc mercaptides of thioglycollic acid esters. The unsaturated compound may be polymerized in the presence of a preformed polymer, the sulphur compound being dissolved in the monomer or a plasticizer, and the oxidative component mixed with the polymer. Examples describe (1) the polymerization of methyl methacrylate in the presence of polymethyl methacrylate, mono-tert-butyl permaleate and the cadmium and zinc mercaptides of 2-ethylhexyl thioglycollate, the cadmium mercaptide of butyl thioglycollate, and the cadmium mercaptide of b -mercaptoethyl isobutyrate; and the polymerization in the presence of mono-tert-butyl permaleate and the cadmium mercaptide of 2-ethylhexyl thioglycollate of (2) methyl methacrylate and (3) a mixture of styrene and ethylene glycol maleate polyester. The accelerators may be used in dentistry.
GB470562A 1961-03-21 1962-02-07 Polymerisation process Expired GB938068A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER29922A DE1128663B (en) 1961-03-21 1961-03-21 Process for polymerizing monomeric unsaturated compounds

Publications (1)

Publication Number Publication Date
GB938068A true GB938068A (en) 1963-09-25

Family

ID=7403146

Family Applications (1)

Application Number Title Priority Date Filing Date
GB470562A Expired GB938068A (en) 1961-03-21 1962-02-07 Polymerisation process

Country Status (3)

Country Link
BE (1) BE614983A (en)
DE (1) DE1128663B (en)
GB (1) GB938068A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534122A (en) * 1967-03-10 1970-10-13 Sartomer Resins Inc Free radical polymerization of bulk liquid acrylic monomer with monotertiary butyl peroxy maleic acid and tertiary phosphine coagent at room temperature
US4242482A (en) * 1979-12-21 1980-12-30 Dart Industries Inc. Peroxygen compound-metal mercaptide redox catalyst system for vinyl halide polymerization

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1301074B (en) * 1964-06-20 1969-08-14 Resart Ihm Ag Process for the preparation of polymerization products
US3437716A (en) * 1966-12-13 1969-04-08 Cosan Chem Corp Process for accelerating polymerization of ethylenically unsaturated monomers using trivalent antimony compounds

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534122A (en) * 1967-03-10 1970-10-13 Sartomer Resins Inc Free radical polymerization of bulk liquid acrylic monomer with monotertiary butyl peroxy maleic acid and tertiary phosphine coagent at room temperature
US4242482A (en) * 1979-12-21 1980-12-30 Dart Industries Inc. Peroxygen compound-metal mercaptide redox catalyst system for vinyl halide polymerization
FR2471987A1 (en) * 1979-12-21 1981-06-26 Dart Ind Inc CATALYSTS AND PROCESS FOR THE PREPARATION OF VINYL HALIDE POLYMERS AND COPOLYMERS

Also Published As

Publication number Publication date
BE614983A (en) 1962-07-02
DE1128663B (en) 1962-04-26

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