Title:
MANUFACTURE OF SILOXANE GRAFT POLYSACCHARIDE DERIVATIVE AND COSMETIC MATERIAL THEREWITH
Document Type and Number:
Japanese Patent JP3514422
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a reactive derivative high in reactive rate, and so even without using catalyst, with little unreacted reactant and useful as cosmetic material by reacting a polysaccharide derivative contg. carboxyl group and soluble in an org. solvent with an epoxy silicone macromer having an alicyclic group on its one end.
SOLUTION: As an epoxy silicone macromer having an alicyclic group on its one end, a compd. represented by the formula is used. In the formula, R1-R5 are each substituted or non-substituted 1-10C one valent hydrocarbons, and (n) is 3-20.0. A polysaccharide derivative is dissolved in an org. solvent such as a ketone like acetone, cyclohexanone, or the like, an ether or ester like dioxane, Butyl Cellosolve acetate, or the like, and a silicone macromer is added in an amount not higher than the carboxyl group equivalent and reacted for several hours with heating at 60-200°C under stirring. For the polysaccharide derivative, hydroxypropylmethylcellulose phthalate, and hydroxypropylmethylcellulose acetate succinate are pref.
Inventors:
Yamamoto, Akira
Ono, Ichiro
Ono, Ichiro
Application Number:
JP15773598A
Publication Date:
March 31, 2004
Filing Date:
June 05, 1998
Export Citation:
Assignee:
SHIN ETSU CHEM CO LTD
International Classes:
A61K8/72; A61K8/04; A61K8/91; A61Q5/00; C08B3/14; C08B11/20; C08L1/10; C08L83/10; (IPC1-7): C08B3/14; A61K7/00; C08L1/10
Attorney, Agent or Firm:
荒井 鐘司 （外１名）