| 摘要 |
<p>Siloxane compounds represented by formula (I) wherein: (a) each BuO group in the molecule is independently a bivalent aliphatic -C4H8-O- group; (b) R?1 and R2¿ are each independently alkyl containing from 1 to about 18 carbon atoms, phenyl, 1-phenylethyl, 2-phenylethyl, 2-phenylpropyl, or 1-methyl-1-phenylethyl; (c) the average value of m is in the range of from 2 to about 6; (d) the value of n is an integer in the range of from 1 to about 6; (e) the value of z is an integer in the range of from 1 to about 6; (f) the average value of a is in the range of from 0 to 1; (g) the average value of b is in the range of from 0 to 1; and (h) the sum of the average values of a and b is 1. The said compounds are useful as components of cosmetics.</p> |
