Organosilicon compounds and compositions containing them

Claim 1

An organosilicon compound having a siloxane portion and at least one group of the general formula --OR'OCH═CHR'' (i) linked to a silicon atom via an Si--O--C bond, wherein R' is selected from the group consisting of divalent hydrocarbon radicals having up to 8 carbon atoms and groups of the formula --R°--(OR°).sub. --, wherein R° denotes an alkylene group having up to 6 carbon atoms and n has a value of from 1 to 12, R'' is selected from the group consisting of hydrogen and alkyl groups having up to 10 carbon atoms.

Claim 6

A method of making organosilicon compounds having a siloxane portion and at least one group of the general formula --OR'OCH═CHR'' (i) linked to a silicon atom via an Si--O--C bond, wherein R' is selected from the group consisting of divalent hydrocarbon radicals having up to 8 carbon atoms and groups of the formula --R°--(OR°) n --, wherein R° denotes an alkylene group having up to 6 carbon atoms and n has a value of from 1 to 12, R'' is selected from the group consisting of hydrogen and alkyl groups having up to 10 carbon atoms which comprises reacting together a reagent organosilicon compound having at least one silicon-bonded group A, wherein A denotes a group --OR'' or a group --N(R'')--C(O)--R'', wherein R'' is as defined above, with a compound of the general formula HOR'OCH═CHR''.

Claim 7

A method of making organosilicon compounds having a siloxane portion and at least one group of the general formula --OR'OCH═CHR'' (i) linked to a silicon atom via an Si--O--C bond, wherein R' is selected from the group consisting of divalent hydrocarbon radicals having up to 8 carbon atoms and groups of the formula --R°--(OR°) n --, wherein R° denotes an alkylene group having up to 6 carbon atoms and n has a value of from 1 to 12, R'' is selected from the group consisting of hydrogen and alkyl groups having up to 10 carbon atoms which comprises reacting together a reagent organosilicon compound having at least one silicon-bonded group A, wherein A denotes a group --OR'' or a group --N(R'')--C(O)--R'', wherein R'' is as defined above, with a compound of the general formula HOR'OCH═CHR''.

Claim 9

A method of making organosilicon compounds having at least two organosilicon units, at least one of which has the general formula ##STR22## any other organosilicon units, if present in the organosilicon compound, having the general formula ##STR23## wherein R' is selected from the group consisting of divalent hydrocarbon radicals having up to 8 carbon atoms and groups of the formula --R°--(OR°) n --, wherein R° denotes an alkylene group having up to 6 carbon atoms and n has a value of from 1 to 12, R'' is selected from the group consisting of hydrogen and alkyl groups having up to 10 carbon atoms, R is selected from the group consisting of monovalent hydrocarbon groups having up to 18 carbon atoms and substituted hydrocarbon groups having up to 18 carbon atoms, X is a hydrocarbonoxy group having up to 8 carbon atoms, Y is a group having the formula ##STR24## wherein R' links the silicon atom of unit (ii) to the silicon atom of the group Y, a has a value of from 1 to 4, b and b' have a value of from 0 to 3, c has a value of 0 or 1, d has a value of from 0 to 2, a+b+c+d having a value of from 1 to 4, provided at least one of 4-a-b-c-d in (ii) and 3-b' in Y is not 0, the oxygen atoms, where present in ##STR25## linking silicon atoms to form siloxane bonds which comprises (I) reacting together a hydrosiloxane polymer having at least one silicon-bonded hydrogen atom, a silane having one or more silicon bonded groups A and an unsaturated hydrocarbon group, wherein A denotes a group --OR'' or a group --N(R'')--C(O)--R'', and R'' is as defined above, and a noble metal catalyst; and (II) reacting the product of (I) with a compound of the general formula HOR'OCH═CHR'', wherein R' and R'' are as defined above.

Claim 10

A method of making organosilicon compounds having at least two organosilicon units, at least one of which has the general formula ##STR22## any other organosilicon units, if present in the organosilicon compound, having the general formula ##STR23## wherein R' is selected from the group consisting of divalent hydrocarbon radicals having up to 8 carbon atoms and groups of the formula --R°--(OR°) n --, wherein R° denotes an alkylene group having up to 6 carbon atoms and n has a value of from 1 to 12, R'' is selected from the group consisting of hydrogen and alkyl groups having up to 10 carbon atoms, R is selected from the group consisting of monovalent hydrocarbon groups having up to 18 carbon atoms and substituted hydrocarbon groups having up to 18 carbon atoms, X is a hydrocarbonoxy group having up to 8 carbon atoms, Y is a group having the formula ##STR24## wherein R' links the silicon atom of unit (ii) to the silicon atom of the group Y, a has a value of from 1 to 4, b and b' have a value of from 0 to 3, c has a value of 0 or 1, d has a value of from 0 to 2, a+b+c+d having a value of from 1 to 4, provided at least one of 4-a-b-c-d in (ii) and 3-b' in Y is not 0, the oxygen atoms, where present in ##STR25## linking silicon atoms to form siloxane bonds which comprises (I) reacting together a hydrosiloxane polymer having at least one silicon-bonded hydrogen atom, a silane having one or more silicon bonded groups A and an unsaturated hydrocarbon group, wherein A denotes a group --OR'' or a group --N(R'')--C(O)--R'', and R'' is as defined above, and a noble metal catalyst; and (II) reacting the product of (I) with a compound of the general formula HOR'OCH═CHR'', wherein R' and R'' are as defined above.