Novel polymers and crosslinked compositions made therefrom

Claim 2

A crosslinked composition comprising one or more prepolymers obtained by polymerizing, to a molecular weight of about 300 to about 150,000, one or more ethylenically unsaturated monomers with a composition comprising: (a) 0 to 10 weight percent of a lactone; (b) 0 to about 10 weight percent cf hydroxyethyl acrylate or methacrylate; (c) 0 to about 2 weight percent of one or more diacrylates; (d) 0 to about 10 weight percent of products resulting from Michael addition, acrylate polymerization, transesterification reactions, or other side reactions; (e) 0 to about 50 weight percent of a reactive monomer of the following average formula: ##STR2## wherein R 5 is a divalent radical, R 2 is either hydrogen or methyl, each of R 3 and R 4 is hydrogen, phenyl, or lower alkyl having 1 to about 6 carbon atoms, x is an integer having a value of up to about 10, and y is an integer having a value up to about 20; (f) 0 to 20 weight percent, of the reaction product of hydroxyethyl acrylate or methacrylate and an anhydride; and (g) remainder to 100 weight percent of a reactive monomer of the following average formula: CH.sub.2 ═CRCO.sub.2 R'--O[COR"--O].sub.m COR'"--[COOH].sub.z wherein R is H, methyl or ethyl, R' is an alkylene radical having 2 to about 12 carbons, R" is an alkylene radical having about 1 to about 10 carbons, R'" is a divalent radical having 2 to about 20 carbons, m is an integer having a value of 1 to about 20, and z is an integer having a value of 1 to about 4; and reacting said prepolymer or prepolymers with one or more crosslinking compounds capable of reacting with carboxyl and/or hydroxyl groups.

Claim 3

A crosslinked composition of claim 1 wherein the molecular weight of the prepolymer is about 500 to about 50,000.

Claim 4

A crosslinked composition of claim 2 wherein the molecuar weight of the prepolymer is about 1,000 to about 10,000.

Claim 5

A crosslinked composition of claim 1 wherein the prepolymer comprises a homopolymer of reactive monomer (g).

Claim 6

A crosslinked composition of claim 1 wherein the prepolymer comprises a copolymer of reactive monomers (e) and (g).

Claim 7

A crosslinked composition of claim 1 wherein lactone (a) is 0 to about 5 weight percent, diacrylates (c) are 0 to about 1 weight percent, products (d) are 0 to about 5 weight percent, monomer (e) is about 0 to about 20 weight percent, and reaction product (f) is 0 to about 10 weight percent.

Claim 8

A crosslinked composition of claim 1 wherein m is 1 to about 10 and z is 1 to 2.

Claim 9

A crosslinked composition of claim 1 wherein the crosslinking compound is an amino resin.

Claim 10

A crosslinked composition of claim 8 wherein the crosslinking compound is a melamine formaldehyde resin.

Claim 11

A crosslinked composition of claim 1 wherein R is H, R' is ethylene, R" is pentylene and R'" is --CH═CH--, and z is 1.

Claim 12

A crosslinked composition claimed in claim 1 wherein R is CH 3 --, R' is ethylene, R" is pentylene, and R'" is --CH═CH--, and z is 1.

Claim 13

A crosslinked composition claimed in claim 2 wherein R'" is phenylene.

Claim 14

A crosslinked composition claimed in claim 1 wherein R is H, R' is ethylene, R" is 1-methyl-pentylene, and R'" is --CH═CH--, and z is 1.

Claim 15

A crosslinked composition claimed in claim 1 wherein R is H, R' is ethylene, R" is a mixture of pentylene and 1-methyl-pentylene, R'" is --CH═CH--, and z is 1.

Claim 16

A crosslinked composition claimed in claim 1 wherein R is H, R' is ethylene, R" is octylene, and R'" is --CH═CH--, and z is 1.

Claim 17

A crosslinked composition claimed in claim 10 wherein R'" is cyclohexylene.

Claim 18

A crosslinked composition claimed in claim 10 wherein R'" is methyl tetrahydrophenylene.

Claim 19

A crosslinked composition claimed in claim 10 wherein R'" is --CH 2 C(═CH 2 )--.

Claim 20

A crosslinked claimed in claim 1 wherein reactive monomer (g) has the structure: CH.sub.2 ═CRCO.sub.2 R'--O[--COR"--O].sub.m COR"" wherein R is H, or methyl or ethyl, R' is an alkylene radical having 2 to about 12 carbons, R" is an alkylene radical having about 1 to about 10 carbons, R"" is a monovalent hydrocarbon radical having about 2 to about 20 carbons and m is an integer having a value of 1 to about 20.

Claim 21

A crosslinkable composition comprising one or more prepolymers obtained by polymerizing, to a molecular weight of about 300 to about 150,000, one or more ethylenically unsaturated monomers with a composition comprising: (a) 0 to 10 weight percent of a lactone; (b) 0 to about 10 weight percent of hydroxyethyl acrylate or methacrylate; (c) 0 to about 2 weight percent of one or more diacrylates; (d) 0 to about 10 weight percent of products resulting from Michael addition, acrylate polymerization, transesterification reactions, or other side reactions; (e) 0 to about 50 weight percent of a reactive monomer of the following average formula: ##STR3## wherein R 5 is a divalent radical, R 2 is either hydrogen or methyl, each of R 3 and R 4 is hydrogen, phenyl, or lower alkyl having 1 to about 6 carbon atoms, x is an integer having a value of up to about 10, and y is an integer having a value up to about 20; (f) 0 to 20 weight percent, of the reaction product of hydroxyethyl acrylate or methacrylate and an anhydride; and (g) remainder to 100 weight percent of a reactive monomer of the following average formula: CH.sub.2 ═CRCO.sub.2 R'--O[COR"--O].sub.m COR'"--[COOH].sub.z wherein R is H, methyl or ethyl, R' is an alkylene radical having 2 to about 12 carbons, R" is an alkylene radical having about 1 to about 10 carbons, R'" is a divalent radical having 2 to about 20 carbons, m is an integer having a value of 1 to about 20, and z is an integer having a value of 1 to about 4; one or more crosslinking compounds capable of reacting with carboxyl and/or hydroxyl groups; optionally, a crosslinking catalyst.

Claim 22

A crosslinkable composition comprising one or more prepolymers obtained by polymerizing, to a molecular weight of about 300 to about 150,000, one or more ethylenically unsaturated monomers with a composition comprising: (a) 0 to 10 weight percent of a lactone; (b) 0 to about 10 weight percent of hydroxyethyl acrylate or methacrylate; (c) 0 to about 2 weight percent of one or more diacrylates; (d) 0 to about 10 weight percent of products resulting from Michael addition, acrylate polymerization, transesterification reactions, or other side reactions; (e) 0 to about 50 weight percent of a reactive monomer of the following average formula: ##STR3## wherein R 5 is a divalent radical, R 2 is either hydrogen or methyl, each of R 3 and R 4 is hydrogen, phenyl, or lower alkyl having 1 to about 6 carbon atoms, x is an integer having a value of up to about 10, and y is an integer having a value up to about 20; (f) 0 to 20 weight percent, of the reaction product of hydroxyethyl acrylate or methacrylate and an anhydride; and (g) remainder to 100 weight percent of a reactive monomer of the following average formula: CH.sub.2 ═CRCO.sub.2 R'--O[COR"--O].sub.m COR'"--[COOH].sub.z wherein R is H, methyl or ethyl, R' is an alkylene radical having 2 to about 12 carbons, R" is an alkylene radical having about 1 to about 10 carbons, R'" is a divalent radical having 2 to about 20 carbons, m is an integer having a value of 1 to about 20, and z is an integer having a value of 1 to about 4; one or more crosslinking compounds capable of reacting with carboxyl and/or hydroxyl groups; optionally, a crosslinking catalyst.

Claim 23

Method for preparing a crosslinkable composition comprising preparing one or more prepolymers by polymerizing one or more ethylenically unsaturated monomers with a composition comprising: (a) 0 to 10 weight percent of a lactone; (b) 0 to about 10 weight percent of hydroxyethyl acrylate or methacrylate; (c) 0 to about 2 weight percent of one or more diacrylates; (d) 0 to about 10 weight percent of products resulting from Michael addition, acrylate polymerization, transesterification reactions, or other side reactions; (e) 0 to about 50 weight percent of a reactive monomer of the following average formula: ##STR4## wherein R 5 is a divalent radical, R 2 is either hydrogen or methyl, each of R 3 and R 4 is hydrogen, phenyl, or lower alkyl having 1 to about 6 carbon atoms, x is an integer having a value of up to about 10, and y is an integer having a value up to about 20; (f) 0 to 20 weight percent, of the reaction product of hydroxyethyl acrylate or methacrylate and an anhydride; and (g) remainder to 100 weight percent of a reactive monomer of the following average formula: CH.sub.2 =CRCO.sub.2 R'--O[COR"--O].sub.m COR'"--[COOH].sub.z wherein R is H, methyl or ethyl, R' is an alkylene radical having 2 to about 12 carbons, R" is an alkylene radical having about 1 to about 10 carbons, R'" is a divalent radical having 2 to about 20 carbons, m is an integer having a value of 1 to about 20, and z is an integer having a value of 1 to about 4; and contacting said prepolymer or prepolymers with one or more crosslinking compounds capable of reacting with carboxyl and/or hydroxyl groups, optionally in the presence of a crosslinking catalyst.

Claim 24

Method for preparing a crosslinkable composition comprising preparing one or more prepolymers by polymerizing one or more ethylenically unsaturated monomers with a composition comprising: (a) 0 to 10 weight percent of a lactone; (b) 0 to about 10 weight percent of hydroxyethyl acrylate or methacrylate; (c) 0 to about 2 weight percent of one or more diacrylates; (d) 0 to about 10 weight percent of products resulting from Michael addition, acrylate polymerization, transesterification reactions, or other side reactions; (e) 0 to about 50 weight percent of a reactive monomer of the following average formula: ##STR4## wherein R 5 is a divalent radical, R 2 is either hydrogen or methyl, each of R 3 and R 4 is hydrogen, phenyl, or lower alkyl having 1 to about 6 carbon atoms, x is an integer having a value of up to about 10, and y is an integer having a value up to about 20; (f) 0 to 20 weight percent, of the reaction product of hydroxyethyl acrylate or methacrylate and an anhydride; and (g) remainder to 100 weight percent of a reactive monomer of the following average formula: CH.sub.2 =CRCO.sub.2 R'--O[COR"--O].sub.m COR'"--[COOH].sub.z wherein R is H, methyl or ethyl, R' is an alkylene radical having 2 to about 12 carbons, R" is an alkylene radical having about 1 to about 10 carbons, R'" is a divalent radical having 2 to about 20 carbons, m is an integer having a value of 1 to about 20, and z is an integer having a value of 1 to about 4; and contacting said prepolymer or prepolymers with one or more crosslinking compounds capable of reacting with carboxyl and/or hydroxyl groups, optionally in the presence of a crosslinking catalyst.

Claim 25

Method of claim 21 wherein the prepolymer or prepolymers are prepared in the presence of a chain-transfer agent.

Claim 26

Method of claim 22 wherein the chain-transfer agent is t-dodecylmercaptan.

Claim 27

A coating comprising a crosslinked composition of claim 1.

Claim 28

An article coated with a crosslinked composition of claim 1.