Epoxy- and episulfide-containing aqueous emulsion binders

A process for preparing an epoxy-containing film-forming latex via emulsion copolymerization of isoprene and 1,2-epoxypropylmethacrylate has been developed. The exposure of this latex to thiocarbamide has yielded an episulfide-containing copolymer. Regardless of the composition of the copolymer, 30–...

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Bibliographic Details
Published in:Polymer science. Series B 2014-05, Vol.56 (3), p.314-319
Main Author: Dzhafarov, V. A.
Format: Article
Language:English
Subjects:
Adhesive strength
Chemistry
Chemistry and Materials Science
Copolymerization
Copolymers
Crack propagation
Emulsions
Isoprene
Latex
Polymer Sciences
Synthesis
Thiocarbamides
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Summary:A process for preparing an epoxy-containing film-forming latex via emulsion copolymerization of isoprene and 1,2-epoxypropylmethacrylate has been developed. The exposure of this latex to thiocarbamide has yielded an episulfide-containing copolymer. Regardless of the composition of the copolymer, 30–33% of the epoxy groups are converted into episulfide groups. The epoxy- and episulfide-containing copolymers exhibit high chemical stability, improved strength of adhesion to various materials, and crack resistance.
ISSN:1560-0904
1555-6123
DOI:10.1134/S156009041403004X