Silicone resin fine powder containing quaternary ammonium group
AssigneeToshiba Silicone Co., Ltd.
InventorsKenji Saito, Hiroshi Kimura
Life of this patent
Estimating the term…
Abstract
A silicone resin fine powder containing a quaternary ammonium group-containing organofunctional group and having excellent physiological activity, hydrophilicity and polarity, which comprises units represented by RSiO.sub.3/2 wherein R represents a substituted or unsubstituted monovalent hydrocarbon group, and additionally at least one of units represented by SiO.sub.2 and units represented by RSiO wherein R is the same as defined above.
Claims4
A silicone resin fine powder comprising units represented by RSiO.sub.3/2, wherein from 1 to 50 mole % of the groups represented by R in the molecule of said silicone resin are a substituted monvalent organofunctional group containing a quaternary ammonium group represented by the formula:
- ##STR2## wherein R.sup.1 represents an alkyl group, Q.sup.1 represent an alkylene group having 3 to 6 carbon atoms, Q.sup.2 represents an alkylene group having 2 to 4 carbon atoms, and X-- represents anion and the remainder of the groups represented by R in the molecule of said silicone resin are methyl.
Dependencies are inferred from the claim text.