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EASILY-DISPERSIBLE POWDER, THE SURFACE OF WHICH HAS UNDERGONE LIPOPHILIZATION TREATMENT, AND COSMETIC BLENDED THEREWITH
专利权人:
发明人:
申请号:
EP10761398.6
公开号:
EP2417960A1
申请日:
2010.03.31
申请国别(地区):
EP
年份:
2012
代理人:
摘要:
Provided is a surface-treated powder, in which a powder is treated with a surface-treating agent composed of a mixture A+B including A: an alkyl alkoxy silane of a general formula (1) and B: one kind of a compound or two or more kinds of compounds selected from a reactive organo silicone of the following general formula (2) and a C12 to C22 saturated or unsaturated branched fatty acid (including a salt form). The surface-treated powder is usable particularly for cosmetics, and has easy dispersability.In the general formula (1), n is an integer of 1 to 18, m is an integer of 1 to 3, a, b represent an integer of 1 to 3, and a+b = 4. In the general formula (2), R1s mutually independently represents a lower alky group having 1 to 4 carbon atoms or a hydrogen atom or a hydrogen atom, respectively, R2 is any of an amino group, a hydrogen atom, a hydroxyl group and a C1-C4 lower alkoxy group, and p is an integer of 1 to 300.        (CnH2n+1)aSi(OCmH2m+1)b     (1)        (R13SiO)(R12SiO)p(SiR23)     (2)
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