Production of microcapsules, and the resulting microcapsules

Details Production of microcapsules, and the resulting microcapsules Production of microcapsules, and the resulting microcapsules

1977-04-27

1978-10-10

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

8 79, 71 64F, 260551CD, 521 76, B01J 1302

Patent

active

041195655

ABSTRACT:
Production of microcapsules, wherein a film-forming polycarbodiimide with functional terminal isocyanate groups is dissolved in the core material or in an inert solvent and a miscible core material is added and the resulting organic phase is introduced into an immiscible liquid phase which contains a dissolved catalyst for isocyanate reactions, and the microcapsules formed are isolated after the reaction of the shell-forming polymer.

REFERENCES:
patent: 2853473 (1958-09-01), Campbell et al.
patent: 3432327 (1969-03-01), Kan et al.
patent: 3640966 (1972-02-01), Hennig et al.
patent: 3677787 (1972-07-01), Augl et al.
Flinn et al.: "What is Happening in Microencapsulation," Chemical Engineering, Dec. 4, 1967, pp. 171-178.

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