Film-forming resins containing alkoxy silane groups

Claim 2

An essentially anhydrous ungelled reaction product characterized in having a non-vinyl addition backbone being essentially acrylyl-free, having a silicon content of up to about 12 percent, and derived from the reaction of (a) a condensation product having at least 2 amine reactive acrylyl residues per molecule and (b) an amino silane of formula ##STR15## where each X is independently a (1) hydrogen, (2) alkyl, aryl, or cycloalkyl group having from 1 to 10 carbon atoms, or (3) ##STR16## where each R' is independently an alkylene group having from 2 to 10 carbon atoms, m is from 0 to 2, each R" is independently a hydrogen, alkyl, aryl, cycloalkyl, alkoxy, or aryloxy group having from 1 to 8 carbon atoms, n is from 1 to 5 and R'" is an alkyl group having from 1 to 8 carbon atoms, with the proviso at least one X is a radical containing silicon.

Claim 3

The reaction product of claim 1 wherein the condensation product is selected from the group consisting of a hydrocarbonpolyol polyacrylate, saturated polyesterpolyol polyacrylate, alkydpolyol polyacrylate, urethanepolyol polyacrylate, polyurethanepolyol polyacrylate, amidepolyol polyacrylate, polyamidepolyol polyacrylate, etherpolyol polyacrylate, polyetherpolyol polyacrylate, and mixtures thereof.

Claim 4

The reaction product of claim 2 having an acrylyl content of less than about 0.2 meq. per gram.

Claim 5

The reaction product of claim 3 wherein the reaction product has an acrylyl content of less than about 0.1 meq. per gram and a silicon content of from about 0.5 percent to about 10 percent.

Claim 6

The reaction product of claim 4 wherein the condensation product is a hydrocarbonpolyol polyacrylate.

Claim 7

The reaction product of claim 4 wherein the condensation product is a saturated polyesterpolyol polyacrylate.

Claim 8

The reaction product of claim 4 wherein the condensation product is an alkydpolyol polyacrylate.

Claim 9

The reaction product of claim 4 wherein the condensation product is a urethanepolyol polyacrylate.

Claim 10

The reaction product of claim 4 wherein the condensation product is a polyurethanepolyol polyacrylate.

Claim 11

The reaction product of claim 4 wherein the condensation product is an amidepolyol polyacrylate.

Claim 12

The reaction product of claim 4 wherein the condensation product is a polyamidepolyol polyacrylate.

Claim 13

The reaction product of claim 4 wherein the condensation product is an etherpolyol polyacrylate.

Claim 14

The reaction product of claim 4 wherein the condensation product is a polyetherpolyol polyacrylate.

Claim 15

The reaction product of claims 5, 6, 7, 8, 9, 10, 11, 12, or 13 characterized in having an acrylyl content of less than about 0.01 meq. per gram and having a silicon content of from about 2 percent to about 9 percent.

Claim 16

The reaction product of claims 1 or 4 wherein the amino silane has the formula ##STR17## where p is from 0 to 2, and R" is an alkyl, aryl, alkoxy or aryloxy group.

Claim 17

The reaction product of claim 15 wherein p is 0.

Claim 18

The reaction product of claim 16 wherein the amino silane has an alkylene linkage of from 2 to 5 carbon atoms and R'" is independently methyl or ethyl.

Claim 19

The reaction product of claim 17 wherein the amino silane is gamma-aminopropyltrimethoxyslane, gamma-aminopropyltriethoxysilane or a mixture thereof.

Claim 20

The reaction product of claim 1 further characterized in being capable of curing at a temperature of less than about 150° C.

Claim 21

The reaction product of claim 19 characterized in being capable of curing at a temperature of less than about 50° C.

Claim 22

A coating composition consisting essentially of (1) from about 30 percent to about 95 percent of an essentially anhydrous reaction product characterized in having a non-vinyl addition backbone being essentially acrylyl-free, having a silicon content of up to about 12 percent, and derived from the reaction of (a) a condensation product having at least 2 amine reactive acrylyl residues per molecule and (b) an amino silane of formula ##STR18## where each X is independently a (1) hydrogen, (2) alkyl, aryl, or cycloalkyl group having from 1 to 10 carbon atoms, or (3) ##STR19## where each R' is independently an alkylene group having from 2 to 10 carbon atoms, m is from 0 to 2, each R" is independently a hydrogen, alkyl, aryl, cycloalkyl, alkoxy, or aryloxy group having from 1 to 8 carbon atoms, n is from 1 to 5 and R'" is an alkyl group having from 1 to 8 carbon atoms, with the proviso at least one X is a radical containing silicon and (2) the balance organic solvent, pigment, or a mixture thereof.

Claim 23

A coating composition consisting essentially of (1) from about 30 percent to about 95 percent of an essentially anhydrous reaction product characterized in having a non-vinyl addition backbone being essentially acrylyl-free, having a silicon content of up to about 12 percent, and derived from the reaction of (a) a condensation product having at least 2 amine reactive acrylyl residues per molecule and (b) an amino silane of formula ##STR18## where each X is independently a (1) hydrogen, (2) alkyl, aryl, or cycloalkyl group having from 1 to 10 carbon atoms, or (3) ##STR19## where each R' is independently an alkylene group having from 2 to 10 carbon atoms, m is from 0 to 2, each R" is independently a hydrogen, alkyl, aryl, cycloalkyl, alkoxy, or aryloxy group having from 1 to 8 carbon atoms, n is from 1 to 5 and R'" is an alkyl group having from 1 to 8 carbon atoms, with the proviso at least one X is a radical containing silicon and (2) the balance organic solvent, pigment, or a mixture thereof.

Claim 24

The coating composition of claim 21 wherein the condensation product is selected from the group consisting of a hydrocarbonpolyol polyacrylate, saturated polyesterpolyol polyacrylate, alkydpolyol polyacrylate, urethanepolyol polyacrylate, polyurethanepolyol polyacrylate, amidepolyol polyacrylate, polyamidepolyol polyacrylate, etherpolyol polyacrylate, polyetherpolyol polyacrylate, and mixtures thereof.

Claim 25

The coating composition of claim 22 wherein the ungelled reaction product has an acrylyl content of less than about 0.2 meq. per gram.

Claim 26

The coating composition of claim 23 wherein the ungelled reaction product has an acrylyl content of less than about 0.1 meq. per gram and a silicon content of from about 0.5 percent to about 10 percent.

Claim 27

The coating composition of claim 24 wherein the condensation product is a hydrocarbonpolyol polyacrylate.

Claim 28

The coating composition of claim 24 wherein the condensation product is a saturated polyesterpolyol polyacrylate.

Claim 29

The coating composition of claim 24 wherein the condensation product is an alkydpolyol polyacrylate.

Claim 30

The coating composition of claim 24 wherein the condensation product is a polyurethanepolyol polyacrylate.

Claim 31

The coating composition of claim 24 wherein the condensation product is a urethanepolyol polyacrylate.

Claim 32

The coating composition of claim 24 wherein the condensation product is an amidepolyol or a polyamidepolyol polyacrylate.

Claim 33

The coating composition of claim 24 wherein the condensation product is an etherpolyol polyacrylate.

Claim 34

The coating composition of claim 24 wherein the condensation product is a polyetherpolyol polyacrylate.

Claim 35

The coating composition of claims 25, 26, 27, 28, 29, 30, 31 or 32 wherein the ungelled reaction product has an acrylyl content of less than about 0.01 meq. per gram and has a silicon content of from about 2 percent to about 9 percent.

Claim 36

The coating composition of claims 21 or 24 wherein the amino silane used to make the ungelled reaction product has the formula ##STR20## where p is from 0 to 2, and R" is an alkyl, aryl, alkoxy or aryloxy group.

Claim 37

The coating composition of claim 34 wherein p is 0.

Claim 38

The coating composition of claim 35 wherein the amino silane has an alkylene linkage of from 2 to 5 carbon atoms and R'" is independently methyl or ethyl.

Claim 39

The coating composition of claim 36 wherein the amino silane is gamma-aminopropyltrimethoxysilane, gamma-aminopropyltriethoxysilane or a mixture thereof.

Claim 40

The coating composition of claim 21 further characterized in being capable of curing at a temperature less than about 150° C.

Claim 41

The coating composition of claim 38 additionally consisting essentially of a polyol.

Claim 42

The coating composition of claim 39 wherein the ungelled reaction product represents, on a film-forming solids basis, from about 10 percent to about 90 percent of the composition and the polyol from about 10 percent to about 90 percent of the composition.

Claim 43

The coating composition of claim 40 wherein ungelled reaction product represents, on a film-forming solids basis, from about 40 percent to about 90 percent of the composition and the polyol from about 10 to about 60 percent of the composition.

Claim 44

The coating composition of claim 41 further characterized in being capable of curing at a temperature of less than about 50° C.

Claim 45

The coating composition of claim 42 having an organic solvent content of from about 10 percent to about 50 percent.

Claim 46

The coating composition of claim 43 additionally consisting essentially of an aminoplast resin.