Process for producing microcapsules

Details Process for producing microcapsules Process for producing microcapsules

1989-01-13

1991-06-11

Hunt, Brooks H.

Plastic and nonmetallic article shaping or treating: processes

Encapsulating normally liquid material

Liquid encapsulation utilizing an emulsion or dispersion to...

42721333, 42721335, 424492, 426 98, B01J 1320, B01J 1310

Patent

active

050230247

ABSTRACT:
A process for producing microcapsules which comprises forming a wall of coacervates on microdroplets of an oily substance of water-insoluble solid particles through reaction between gelatin and an anionic polymer, allowing a ylidoid compound to act on the coacervates so that cross-linking occurs between the polymer molecules of gelatin to harden the microcapsules.

REFERENCES:
patent: 3582495 (1971-06-01), Emrick
patent: 3627695 (1971-12-01), Scarpelli
patent: 3944502 (1976-03-01), Matsukawa et al.
patent: 4294921 (1981-10-01), Yamaguchi et al.
patent: 4460686 (1984-07-01), Hartmeier
patent: 4661526 (1987-04-01), Ford
patent: 4775745 (1988-10-01), Ford et al.
Kondo, Asaji, "Microcapsule Processing and Technology," 1979 (Marcel Dekker, New York), pp. 70-81, 92-93.
Fujikawa, S. et al., "Genipin, a New Type of Protein Crosslinking Reagent from Gardenia Fruits", Agric. Biol. Chem., 52(3), 869-870 (1988).
Japan Industrial Newspaper, Jun. 8, 1988.
"Utilization of Natural Cross-Linking Agent for a Microcapsule", Kyogoku et al., 35th Meeting Nippon Shokuhin Kogyo Gakkai (1988).
"Thermo-Resistance Microcapsule", Kyokai, lecture summary, 1988.
Suntory Limited, Public Relations Dept., "Gelatine Microcapsule Highly Resistant to Heat", JETRO, Oct. 1988, vol. 16, No. 7.

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