Method for making compositions containing microcapsules and...

Details Method for making compositions containing microcapsules and... Method for making compositions containing microcapsules and...

C - Chemistry, Metallurgy

08

J

C08J 3/22 (2006.01) C08K 9/10 (2006.01)

Patent

CA 2635653

In the process of the invention, a composition is made by mixing a plurality of microcapsules containing at least an additive such as lubricants, oils, fragrances, colorants, etc., with a dispersing polymeric material to form a first blend, and compounding the first blend into a base containing at least a polymeric material at a temperature of less than 370~C, whereas the resulting composition is substantially free of segregated microcapsules and heat degraded shell.

L~invention concerne un procédé de fabrication d'une composition, selon lequel une pluralité de microcapsules contenant au moins un additif tel que des lubrifiants, des huiles, des parfums et des colorants, entre autres, est mélangée avec un matériau polymérique dispersant afin de former un premier mélange, ce premier mélange étant ensuite incorporé dans une base contenant au moins un matériau polymérique à une température inférieure à 370 °C, la composition résultante étant sensiblement exempte de microcapsules ségréguées et d~enveloppes dégradées thermiquement.

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