Organopolysiloxane-grafted polysaccharide compound

Details Organopolysiloxane-grafted polysaccharide compound Organopolysiloxane-grafted polysaccharide compound

1999-06-04

2000-05-23

Peselev, Elli

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536 171, 536120, 5361231, 556443, C07H 100

Patent

active

060667273

ABSTRACT:
Disclosed is a novel method for the preparation of an organo-polysiloxane-grafted polysaccharide compound which is particularly useful as an additive ingredient in various types of cosmetic and toiletry preparations. The method utilizes a reaction between epoxy groups of a diorganopolysiloxane, e.g., dimethylpolysiloxane, terminated at a single molecular chain end with a 2-(3,4-epoxycyclohexyl)ethyl group and carboxyl groups in a carboxyl group-containing polysaccharide compound such as hydroxypropyl methyl cellulose phthalate and hydroxypropyl methyl cellulose acetate succinate dissolved in an organic solvent. The reaction proceeds efficiently without addition of any catalytic compounds almost quantitatively under moderate reaction conditions.

REFERENCES:
patent: 5583244 (1996-12-01), Uchida et al.
patent: 5831080 (1998-11-01), Sejpka et al.

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