Process for preparing microcapsules having gelatin walls crossli

Details Process for preparing microcapsules having gelatin walls crossli Process for preparing microcapsules having gelatin walls crossli

1993-01-21

1995-01-03

Lovering, Richard D.

Plastic and nonmetallic article shaping or treating: processes

Encapsulating normally liquid material

Liquid encapsulation utilizing an emulsion or dispersion to...

264 433, 424406, 424408, 4284022, 42840222, 514963, 524178, A01N 2528, B01J 1310, B01J 1320

Patent

active

053784138

ABSTRACT:
A process for conveniently producing microcapsules containing a gelatin wall crosslinked with quinone and a core of an active compound such as a fouling reducing agent, particularly a tributyl tin chloride, involves use of a simple or complex coacervation technique. The quinone crosslinking provides microcapsules of excellent strength, storage stability, and resistance to aqueous exposure, such that the rate of release of the fouling reducing agent can be controlled with precision.

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E. G. Haslbeck et al., "Microencapsulation of Biocides For Use in Antifoug Coatings," Proceedings of the 16th International Symposium on Controlled Release of Bioactive Materials, pp. 273-274 Aug. 1989.
Rose et al.: The Condensed Chemcial Dictionary, Sixth Edition, Reinhold Publ. Corp., New York (1961), p. 1160.

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