Solid composition

Details Solid composition Solid composition

B - Operations, Transporting

01

J

B01J 13/04 (2006.01) B01J 13/10 (2006.01)

Patent

CA 2235800

A solid, microencapsulated product is obtained by (i) preparing a film-forming aqueous medium comprising a film-forming polymer such as polyvinylpyrollidone and an aqueous suspension of a microencapsulated material, (ii) casting the aqueous medium thus formed onto a substrate and (iii) drying the cast medium to form a cast of the film- forming polymer containing the microencapsulated material.

Cette invention concerne un produit solide et micro-encapsulé obtenu grâce aux étapes consistant à: (i) préparer un milieu aqueux filmogène se composant d'un polymère filmogène, tel que du polyvinylpyrollidone, ainsi que d'une suspension aqueuse d'un matériau micro-encapsulé; (ii) couler le milieu aqueux ainsi obtenu sur un substrat; et (iii) sécher le milieu coulé de manière à obtenir un article coulé qui soit fait du polymère filmogène contenant le matériau micro-encapsulé.

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