Silane modified polymers

Claim 2

The reaction product of (a) an aminofunctional polymer having the structure: Polymer--(NH.sub.2).sub.n wherein "polymer" is selected from (CH 2 CH 2 NH) 2-100 ; (CH 2 --CH 2 --O) 2-100 ; (CH 2 CH(CH 3 )--O--) 2-100 ; copolymers of propylene glycol and ethylene glycol; (NH 2 --.0.--CH 2 --) 2-100 ; (Si--O--) 2-100 and n is a whole number from 1 to 10, and (b) an alkoxysilane having the general formula: ##STR4## wherein R 1 , R 2 and R 3 are independently selected from C 1 -C 8 monovalent hydrocarbyl radicals, R 4 is alkylene containing from 1 to 3 carbon atoms and m is a whole number from 1 to 3; the number of moles of (b) being no greater than n; and said reation being carried out in a dry environment at a temperature of from 90° C. to 160° C., and the molar ratio of (b) to (a) being from 1:2 to 10:1.

Claim 3

A product having the general formula: ##STR5## wherein "polymer" is selected from (CH 2 CH 2 NH) 2-100 ; (CH 2 --CH 2 --O) 2-100 ; (CH 2 CH(CH 3 )--O)-- 2-100 ; copolymers of propylene glycol and ethylene glycol; (NH 2 --.0.--CH 2 --) 2-100 ; and (Si--O--) 2-100 ; R 1 and R 2 are independently selected from C 1 -C 8 monovalent hydrocarbyl radicals; R 4 is an alkylene radical containing from 1 to 3 carbon atoms; n is a whole number from 1 to 10; and m is a whole number from 1 to 3.

Claim 4

A product having the general formula: ##STR5## wherein "polymer" is selected from (CH 2 CH 2 NH) 2-100 ; (CH 2 --CH 2 --O) 2-100 ; (CH 2 CH(CH 3 )--O)-- 2-100 ; copolymers of propylene glycol and ethylene glycol; (NH 2 --.0.--CH 2 --) 2-100 ; and (Si--O--) 2-100 ; R 1 and R 2 are independently selected from C 1 -C 8 monovalent hydrocarbyl radicals; R 4 is an alkylene radical containing from 1 to 3 carbon atoms; n is a whole number from 1 to 10; and m is a whole number from 1 to 3.

Claim 5

A reaction product as defined in claim 1 wherein R 1 is ethyl.

Claim 6

A product as defined in claim 2 wherein R 1 is ethyl.

Claim 7

A reaction product as defined in claim 1 wherein R 1 is ethyl and m is 3.

Claim 8

A product as defined in claim 2 wherein R 1 is ethyl and m is 3.

Claim 9

A reaction product as defined in claim 1 wherein R 1 and R 3 are each ethyl.

Claim 10

A product as defined in claim 2 wherein R 1 and R 2 are each ethyl.

Claim 11

A reaction product as defined in claim 1 wherein component (b) is 2-carboethoxyethyltrialkoxysilane.

Claim 12

A reaction product as defined in claim 1 wherein component (a) is a polyethyleneimine.

Claim 13

A reaction product as defined in claim 10 wherein the polyethyleneimine has a molecular weight of about 600.

Claim 14

A process for making a product having the general formula: ##STR6## wherein "polymer" is selected from (CH 2 CH 2 NH) 2-100 ; (CH 2 --CH 2 --O) 2-100 ; (CH 2 CH(CH 3 )--O--) 2-100 ; copolymers of propylene glycol and ethylene glycol; (NH 2 --.0.--CH 2 --) 2-100 ; and (Si--O--) 2-100 ; R 1 and R 2 are independently selected from C 1 -C 8 monovalent hydrocarbyl radicals; R 4 is an alkylene radical containing from 1 to 3 carbon atoms; n is a whole number from 1 to 10; and m is a whole number from 1 to 3, which comprises reacting in a dry environment at a temperature of from 90° C. to 160° C. (a) an aminofunctional polymer having the structure: Polymer--(NH.sub.2).sub.n wherein "polymer" is as defined above, with an amount no more than stoichiometrically equivalent to n of (b) an alkoxysilane having the general formula: ##STR7## where R 1 , R 2 and R 4 are as defined above and R 3 is a C 1 -C 8 monovalent hydrocarbyl radical, the molar ratio of (b) to (a) being from 1:2 to 10:1.

Claim 15

A process for making a product having the general formula: ##STR6## wherein "polymer" is selected from (CH 2 CH 2 NH) 2-100 ; (CH 2 --CH 2 --O) 2-100 ; (CH 2 CH(CH 3 )--O--) 2-100 ; copolymers of propylene glycol and ethylene glycol; (NH 2 --.0.--CH 2 --) 2-100 ; and (Si--O--) 2-100 ; R 1 and R 2 are independently selected from C 1 -C 8 monovalent hydrocarbyl radicals; R 4 is an alkylene radical containing from 1 to 3 carbon atoms; n is a whole number from 1 to 10; and m is a whole number from 1 to 3, which comprises reacting in a dry environment at a temperature of from 90° C. to 160° C. (a) an aminofunctional polymer having the structure: Polymer--(NH.sub.2).sub.n wherein "polymer" is as defined above, with an amount no more than stoichiometrically equivalent to n of (b) an alkoxysilane having the general formula: ##STR7## where R 1 , R 2 and R 4 are as defined above and R 3 is a C 1 -C 8 monovalent hydrocarbyl radical, the molar ratio of (b) to (a) being from 1:2 to 10:1.

Claim 16

A process as defined in claim 12 wherein the reaction is carried out in the presence of a dry alkanol containing from 1 to 3 carbon atoms.

Claim 17

A process as defined in claim 3 wherein the reaction mass is further characterized by the presence therein of an alkali metal alkoxide.

Claim 18

A process as defined in claim 14 wherein the alkali metal alkoxide is sodium methoxide.

Claim 19

A process as defined in claim 14 wherein R 4 is ethylene.

Claim 20

A process as defined in claim 16 wherein the (b) component is dissolved in anhydrous methanol, the reaction mass is characterized by the presence therein of sodium methoxide and the reaction mass is heated to distill off alcohol prior to the addition of component (a).