Siloxane quaternary ammonium salt preparation

Claim 1

A process for the preparation of organosiloxanes which comprises reacting together (A) a silanol-terminated polydiorganosiloxane wherein at least 50 percent of the total substituents are methyl groups, any remaining organic substituents being monovalent hydrocarbon or fluorinated hydrocarbon groups having from 2 to 20 carbon atoms, and (B) an organosilane represented by the general formula RR'.sub.2 Si--Q--N.sup.+ X.sub.2 YZ.sup.- wherein R represents a group selected from alkyl groups having from 1 to 5 carbon atoms, the phenyl group, a vinyl group and groups as defined for R', each R' represents independently a group having less than 9 carbon atoms selected from alkoxy groups and alkoxyalkoxy groups, Q represents a divalent group having from 1 to 18 carbon atoms the said group being composed of carbon, hydrogen and, optionally, oxygen, any oxygen present being in the form of ether linkages, hydroxyl groups, or both, each X represents independently a group having from 1 to 12 carbon atoms selected from alkyl, aryl, aralkyl and alkaryl groups Y represents a monovalent hydrocarbon group have from 1 to 22 carbon atoms or the group (--OM) a OD, wherein M represents an alkylene group having 2 or 3 carbon atoms, a has a value of from 1 to 20 and D represents a hydrogen atom, an alkyl group or an acyl group, and Z represents a halogen atom.