ES356773A1 - Production of aqueous polymer emulsions - Google Patents

Production of aqueous polymer emulsions

Info

Publication number
ES356773A1
ES356773A1 ES356773A ES356773A ES356773A1 ES 356773 A1 ES356773 A1 ES 356773A1 ES 356773 A ES356773 A ES 356773A ES 356773 A ES356773 A ES 356773A ES 356773 A1 ES356773 A1 ES 356773A1
Authority
ES
Spain
Prior art keywords
emulsion
monomer
production
polymerization
vinyl acetate
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
ES356773A
Other languages
Spanish (es)
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.)
Celanese Corp
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Publication of ES356773A1 publication Critical patent/ES356773A1/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/12Polymerisation in non-solvents
    • C08F2/16Aqueous medium
    • C08F2/22Emulsion polymerisation
    • C08F2/24Emulsion polymerisation with the aid of emulsifying agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

A process for the production of a high solids aqueous polymer emulsion comprises preparing an aqueous pre-emulsion of at least one polymerizable monomer containing at least one ethylenically unsaturated group which is capable of forming, in the presence of a suthcient amount of at least one surfactant, a stable preemulsion and subsequently a stable latex polymer, said pre-emulsion containing water in an amount ranging from 6 to 25 weight per cent based on the total monomer present in said preemulsion, adding said pre-emulsion incrementally or continuously to a reaction medium comprising a portion of water, not required for forming said pre-emulsion but necessary to obtain the solids content desired in the finished product, maintaining said reaction medium at a temperature to initiate and continue the polymerization reaction and controlling the rate of said addition of said pre-emulsion to provide substantially complete conversion of said monomer or monomers to latex polymer, said polymerization being conducted in the presence of a sufficient amount of a free radical polymerization catalyst to provide substantially complete monomer conversion to produce a latex having total solids in the range from 50 to 75 weight per cent. Any anionic and/or non- ionic surfactant can be used in preparing the monomer pre-emulsion, which may also include a protective colloid. Polymerization is preferably effected with an initiator such as hydrogenperoxide, alkali metal and ammonium persulphates, perphosphates, perchlorates and perborates, azobisisobutyronitrile, t - butyl hydroperoxide and redox systems. In examples the following are polymerized (a) ethyl acrylate and methyl methacrylate, (b) vinyl acetate, ethyl acrylate and dioctyl maleate, (c) vinyl acetate, and (d) vinyl acetate and dioctyl maleate. The high solids polymer emulsions prepared in the above manner are useful in paint compositions, in the continuous production of films, in the production of elastomers, cross-linkable sealants and adhesives, in making foams, and in emulsion spinning processes.
ES356773A 1967-08-02 1968-08-01 Production of aqueous polymer emulsions Expired ES356773A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US65789567A 1967-08-02 1967-08-02
US72553968A 1968-04-30 1968-04-30

Publications (1)

Publication Number Publication Date
ES356773A1 true ES356773A1 (en) 1970-05-01

Family

ID=27097512

Family Applications (1)

Application Number Title Priority Date Filing Date
ES356773A Expired ES356773A1 (en) 1967-08-02 1968-08-01 Production of aqueous polymer emulsions

Country Status (9)

Country Link
BE (1) BE718976A (en)
CH (1) CH530425A (en)
DE (1) DE1795018A1 (en)
ES (1) ES356773A1 (en)
FR (1) FR1603046A (en)
GB (1) GB1203524A (en)
IL (1) IL30475A0 (en)
LU (1) LU56611A1 (en)
NL (1) NL6811064A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2256154C3 (en) * 1972-11-16 1984-10-04 Basf Ag, 6700 Ludwigshafen Process for the preparation of aqueous dispersions of polymers of monoolefinically unsaturated carboxylic acid esters
FR2612520A1 (en) * 1987-03-17 1988-09-23 Atochem PROCESS FOR SUSPENDED EMULSION PREPARATION OF INSOLUBLE POLYMERS AND COPOLYMERS IN THEIR MONOMER OR COMONOMER COMPOSITIONS
FI991295A7 (en) * 1999-06-07 2000-12-08 Neste Chemicals Oy Process for preparing styrene-maleic hydride copolymers
RU2315062C1 (en) * 2006-09-18 2008-01-20 Федеральное государственное унитарное предприятие "Научно-исследовательский институт химии и технологии полимеров имени акад. В.А. Каргина с опытным заводом" (ФГУП "НИИ полимеров") Method for preparing acrylic copolymer aqueous dispersion for pressure-sensitive glues

Also Published As

Publication number Publication date
GB1203524A (en) 1970-08-26
DE1795018A1 (en) 1971-12-30
IL30475A0 (en) 1968-09-26
LU56611A1 (en) 1968-10-31
FR1603046A (en) 1971-03-15
NL6811064A (en) 1969-02-04
BE718976A (en) 1969-02-03
CH530425A (en) 1972-11-15

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