Color-loaded polymer microparticles

Details Color-loaded polymer microparticles Color-loaded polymer microparticles

1987-12-03

1990-08-21

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Nontextile, dyeing process or product, including inorganic...

Olefin polymer substrate or rubber

8654, 8657, 8676, 8680, 523406, 523418, 523421, 525123, 528290, C08J 320, C09B 6902

Patent

active

049503030

ABSTRACT:
Water-soluble dyes are loaded on polymer microparticles having a particle size of 0.01 to 50 microns. The carrier polymer microparticles are produced by emulsion polymerizing a mixture of at least one monofunctional monomer with a crosslinking monomer in the presence of a polymerizable amino acid derivative or a hydrophilic oligomer having a plurality of amphoionic groups. Water-soluble dyes are added to the resulting emulsion. Color-loaded polymer microparticles are obtained by removing water from the emulsion followed by resuspending in an organic solvent.

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patent: 4713083 (1987-12-01), Okuzono et al.
patent: 4728543 (1988-03-01), Kurauchi et al.

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