Cationic polymer stabilized microcapsule composition

Details Cationic polymer stabilized microcapsule composition Cationic polymer stabilized microcapsule composition

C - Chemistry, Metallurgy

11

D

C11D 17/00 (2006.01) C11D 3/37 (2006.01)

Patent

CA 2656326

The present invention relates to the use of a cationic polymer to provide stability to microcapsules in a composition, wherein the microcapsule comprises a shell encapsulating materials having an average ClogP of at least 2.5 and more than 60% by weight of the encapsulated materials have a Clog P of at least 3.3. The cationic polymer is derived from the polymerization of about 5 to 100 mole percent of a cationic vinyl addition monomer. 0 to about 95 percent acrylamide, and about 5 to about 500 ppm of a difunctional vinyl addition monomer cross-linking agent. The calionic polymer and encapsulated material may be used, for example, in a fabric softener composition.

La présente invention concerne l'utilisation d'un polymère cationique permettant une stabilité des microcapsules dans une composition, dans laquelle la microcapsule comprend un matériau d'encapsulation d'enveloppe ayant un ClogP moyen d'au moins 2,5 et plus de 60 % en poids des substances encapsulées ont un ClogP d'au moins 3,3. Le polymère cationique est dérivé de la polymérisation d'environ 5 à 100 moles pour cent d'un monomère d'addition vinylique cationique, de 0 à environ 95 pour cent d'acrylamide, et d'environ 5 à environ 500 ppm d'un agent de réticulation monomère d'addition vinylique bifonctionnel. Le polymère cationique et la substance encapsulée peuvent être utilisés, par exemple, dans une composition d'assouplissant.

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