Solvent core encapsulant composition

Details Solvent core encapsulant composition Solvent core encapsulant composition

1990-10-31

1993-07-06

Lovering, Richard D.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

504116, 71DIG1, 264 47, 424408, 42721334, 42840224, 428407, 514963, 523122, 525301, 525902, 525911, A01N 4302, B01J 1318, C08F26504

Patent

active

052252795

ABSTRACT:
The present invention relates to a sequential polymerization process for preparing a water-insoluble dispersion of core/shell particles. In one embodiment the process may be employed to produce a particulate dispersion useful in making water-based coating compositions wherein on drying the particulate dispersion serves as an opacifying agent. In another embodiment the process may be employed to microencapsulate a hydrophobic target material, such as a biocide or herbicide.

REFERENCES:
patent: 2873263 (1959-02-01), Lal
patent: 3655591 (1972-04-01), Seiner
patent: 3950284 (1976-04-01), Fukuda et al.
patent: 3959895 (1976-06-01), Lonning
patent: 4427836 (1984-01-01), Kowalski et al.
patent: 4468498 (1984-08-01), Kowalski et al.
patent: 4469825 (1984-09-01), Kowalski et al.
patent: 4710525 (1987-12-01), Kraemer et al.
patent: 4985064 (1991-01-01), Redlich et al.

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