Polyurethane foam containing fragrance

Details Polyurethane foam containing fragrance Polyurethane foam containing fragrance

A - Human Necessities

61

L

167/321

A61L 9/01 (2006.01) A61L 9/04 (2006.01) C08J 9/00 (2006.01)

Patent

CA 1132051

ABSTRACT OF THE DISCLOSURE Fragrance - emitting articles comprising a polyurethane foam containing a particulate filler and a fragrance material, and a method of making such articles, are disclosed. ¦The method includes the essential steps of pre-mixing particulate filler and fragrance and dispersing the pre-mix in a liquid polyol, before adding the other reaction mixture com- ponents, and provides a polyurethane foam having a controlled rate of release of the fragrance.

339378

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