Microcapsules from polyfunctional aziridines

Details Microcapsules from polyfunctional aziridines Microcapsules from polyfunctional aziridines

1992-06-01

1995-03-28

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

424489, 424490, 4284022, 42840221, A01N 2528, A61K 950

Patent

active

054015057

ABSTRACT:
Microcapsules containing a shell wall and a liquid fill are produced by an interfacial polymerization reaction between a polyfunctional aziridine and at least one other polyfunctional organic coreactant selected from the group of polyacid halides, polycarboxylic acids, polyamines, polyhydroxyl-containing compounds, polythiol-containing compounds, polyisocyanates, polyisothiocyanates, and mixtures thereof.

REFERENCES:
patent: 2950197 (1960-08-01), Allen et al.
patent: 3255013 (1965-12-01), Fram et al.
patent: 3516941 (1970-06-01), Matson
patent: 3860565 (1975-01-01), Barber, Jr.
patent: 4056610 (1977-11-01), Barber, Jr. et al.
patent: 4402856 (1983-09-01), Schnoring et al.
patent: 4756906 (1988-07-01), Sweeny
patent: 4970031 (1990-11-01), Gotoh
Kirk Othmer Encyclopedia of Chemical Technology, vol. 13, pp. 142-166 (1981).
P. B. Deasy, Microencapsulated and Related Drug Processes, Marcel Dekker, Inc., (1984), pp. 119-143.

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