Microcapsules, method for their production and pressure sensitiv

Details Microcapsules, method for their production and pressure sensitiv Microcapsules, method for their production and pressure sensitiv

1979-12-26

1983-11-08

Lovering, Richard D.

Textiles: manufacturing

71 6411, 252522A, 264 47, 426 89, 426650, 424 32, 42721334, 42840221, 42840224, B01J 1302, B32B 2742, B41L 136

Patent

active

044138431

ABSTRACT:
The method of making microcapsules comprises performing polycondensation of an aminoaldehyde resin prepolymer in an aqueous dispersion including particles of hydrophobic core material in the presence of anion-modified polyvinyl alcohol to form aminoaldehyde resin microcapsules walls around said particles of hydrophobic core material.

REFERENCES:
patent: 4001140 (1977-01-01), Foris et al.
patent: 4087376 (1978-05-01), Foris et al.
patent: 4100103 (1978-07-01), Foris et al.
patent: 4219604 (1980-08-01), Kakima et al.

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