Light-stabilized polymer microparticles containing epoxy groups

Details Light-stabilized polymer microparticles containing epoxy groups Light-stabilized polymer microparticles containing epoxy groups

1988-06-03

1990-01-16

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 99, 524102, 524103, 524291, 524336, 525902, C08K 534

Patent

active

048943991

ABSTRACT:
Light-stabilized polymer microparticles, which contain at least one light stabilizer and free epoxy groups, and processes for the preparation of these microparticles by polymerization of suitable monomers, at least one of these monomers being an epoxide which contains at least one further reactive group, and at least part of the polymerization being carried out in the presence of at least one light stabilizer, are described. The polymer microparticles can be used in coating compositions which comprise a disperse phase, containing these particles, and a liquid continuous phase.
Coatings and paints based on the compositions according to the invention are distinguished by improved weathering resistance, in particular high light stability.

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Theodore et al, Journal of Coatings Technology, vol. 57, No. 721, pp. 67-71, (1985).
Stinson-C&EN (4/87), pp. 43-46.
P. M. Gomez-Polymer Preprints (Am. Chem. Soc. Div. Polym. Chem.), vol. 28, No. 1, pp. 209-210, 1987.

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