Polyvalent metal salts of phosphoric diester and organo(poly)siloxanes modified with polyvalent metal salt of phosphoric diester

An organo(poly)siloxane modified with a polyvalent metal salt of phosphoric diester which comprises the structural units represented by formulae (9) and (10):

• ##STR31## wherein R.sup.5 :
• a C2 to C20 alkylene group,
• R.sup.6 :
• a C1 to C50 linear or branched alkylene group which may optionally be substituted by a hydroxyl group,
• p:
• a number from 0 to 200,
• M:
• a divalent or polyvalent metal atom,
• n:
• a number same as the value of the valence of M,
• R.sup.7, R.sup.8, R.sup.9, R.sup.10 :
• independently represent a hydrogen atom, an alkyl group, an alkoxy group, a phenyl group or a structural unit represented by formula (10), and
• w:
• a number of 0 or 1.

An organo(poly)siloxane modified with a polyvalent metal salt of phosphoric diester represented by formula (11):

• ##STR32## wherein R.sup.5 :
• a C2 to C20 alkylene group,
• R.sup.6 :
• a C1 to C50 linear or branched alkylene group which may optionally be substituted by a hydroxyl group,
• p:
• a number from 0 to 200,
• M:
• an alkaline earth metal atom or a divalent or polyvalent transition metal atom,
• n:
• a number same as the value of the valence of M,
• R.sup.11 to R.sup.28 :
• independently represent a C1 to C22 alkyl or alkoxy group, or a phenyl group, among which R.sup.15 and R.sup.24 may join to form a divalent oxygen atom,
• q, r, s, t, u, v:
• independently represent a number from 0 to 1000.