Microcapsules having polyurethane walls

Details Microcapsules having polyurethane walls Microcapsules having polyurethane walls

1988-12-09

1989-10-17

Kight, John

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 61, 528 64, 528 66, 528 76, 528 78, 523160, 523161, 42840221, 42840224, 42721334, 427386, 264 4, 264 47, 2523152, C08G 1830

Patent

active

048748323

ABSTRACT:
Improved microcapsules have a capsule wall which contains a polyurethane which can be obtained by reacting an isocyanate with a polyether polyol which contains amino groups.

REFERENCES:
patent: 3432327 (1969-03-01), Kam et al.
patent: 4076774 (1978-02-01), Short
patent: 4400497 (1983-08-01), Blum et al.
patent: 4428983 (1984-01-01), Nehen et al.

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