Radiation Processing of Polymer Emulsion (II):Radiation Effects on Thermosetting Emulsion
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概要
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The crosslinking characteristics of hydroxylated acrylic emulsions irradiated with Co-60 γ rays were investigated by measuring the gel fractions of the films baked with melamine resin. Cure response of the irradiated emulsions increased with increasing dose, owing to the crosslinking of the polymers in the emulsion particles by radiation. The irradiated emulsions were crosslinked with melamine resin at lower temperature than the unirradiated emulsion. Crosslinking in the particles by radiation and crosslinking between particles with melamine resin at the elevated temperatures were dependent on the distribution of hydroxyl groups in the particles. Localization of hydroxyl groups near the particle surface did not facilitated both kinds of crosslinking.
- Japan Society of Colour Materialの論文