wherein

R represents a divalent unsubstituted or substituted C₁-C₁₈ alkylene group, an unsubstituted or substituted C₃-C₈ cycloalkylene group, an unsubstituted or substituted aralkylene group, an unsubstituted or substituted C₅-C₁₈ arylene group or unsubstituted or substituted C₃-C₁₈ heteroarylene group;

R₁ is an unsubstituted or substituted C_2-10 alkyl group, an unsubstituted or substituted C₃-C₆ cycloalkyl group, an unsubstituted or substituted C₁-C₈ cycloalkylalkylene, an unsubstituted or substituted C₅-C₁₈ aryl group, an unsubstituted or substituted C₇-C₂₄ aralkyl group, wherein each substituted group is substituted by one or more of a C_1-4 alkyl group, a C_1-4 alkoxy group, a hydroxyl group, an aryl group or an aryloxy group;

R₂, R₃ and R₄ are independent from each other, and represent a hydrogen or a C_1-4 alkyl group;

Z is a divalent aliphatic C_2-10 group, a divalent cycloaliphatic C₃-C₆ group or an aralkylene group having 7 to 24 carbon atoms, wherein each group optionally contain oxygen atoms and which is optionally substituted by C_1-4 alkyl group;

R₅ is a mono-valent aliphatic C_1-10 group, cycloaliphatic C₃-C₆ group or an aralkylene group having 7 to 24 carbon atoms;

R₆ is a hydrogen atom, a C_1-6 alkyl group, a C_3-10 cycloalkyl group, a C₇-C₁₂ aralkyl group, or an (meth) acryl group; wherein each group is optionally substituted by one or more of a C_1-4 alkyl group, a C_1-4 alkoxy group, or a hydroxyl group;

R₇ is

wherein R₈ is a hydrogen atom, or a linear C_1-3 or branched C_3-5 alkyl group substituted with a COOH group;

R₉ is a hydrogen atom, —COOH group, or a linear C_1-3 or branched C_3-5 alkyl group substituted with a COOH group;

A is independently same or different and is a hydrogen atom or R₇;

X₁ is an oxygen atom or a nitrogen atom substituted by R₆;

n is an integer of from 1 to 5;

said process comprising the steps of:

(a) reacting at least one component A having at least one cyclic carbonate group with at least one component B having at least one of primary amine functional group and secondary amine functional group to form an intermediate compound having at least one β-hydroxy urethane unit and residual —NH or —OH group; and

(b) reacting the intermediate compound having at least one β-hydroxy urethane unit and residual —NH or —OH group with at least one unsaturated mono- or poly-carboxylic acid to form a polymerizable compound having at least one derivatized β-hydroxy urethane unit,

wherein

the at least one component A having at least one cyclic carbonate group is a compound of Formula I:

wherein

R₁ represents a hydrogen, an m-valent C_1-22 hydrocarbon group, which group optionally includes 1 to 12 oxygen or sulfur atoms, and which is optionally substituted by C_1-4 alkyl group or a (meth)acrylate group;

R₂, R₃ and R₄ are independent from each other, and represent a hydrogen or a C_1-4 alkyl group;

W is an oxygen atom, —O—C═O— or a direct bond;

Q is a direct bond or a straight or branched chain alkylene having 1 to 4 carbons;

Y is a direct bond, an unsubstituted or substituted C₁-C₁₈ alkylene group, an unsubstituted or substituted C₃-C₈ cycloalkylene group, an unsubstituted or substituted aralkylene group, an unsubstituted or substituted C₅-C₁₈ arylene group or an unsubstituted or substituted C₃-C₁₈ heteroarylene group; wherein each unsubstituted or substituted group optionally includes at least one of 1-6 oxygen atoms, nitrogen atoms or sulphur atoms; wherein each substituted groups is substituted by C_1-4 alkyl group;

m is an integer of from 1 to 6; and

wherein the at least one component B having at least one of primary amine functional group and secondary amine functional group is a compound of Formula II:

wherein

R₅ is a (r+1)-valent aliphatic C_2-10 group, cycloaliphatic C₃-C₆ group or an aralkylene group having 7 to 24 carbon atoms, wherein each group optionally contains oxygen or sulfur atoms and which is optionally substituted by C_1-4 alkyl groups;

R₆ is a hydrogen atom, a C_1-6 alkyl group, a C_3-10 cycloalkyl group, a C₇-C₁₂ aralkyl group, or an (meth) acryl group; wherein each group is optionally substituted by one or more of a C_1-4 alkyl group, a C_1-4 alkoxy group, or a hydroxyl group;

L₁ and L₂ are independently a same or different straight or branched chain alkylene having from 1 to 4 carbons;

X₁ is a direct bond, an oxygen atom or a nitrogen atom substituted by R₆;

X₂ is an oxygen atom;

p and q are integer of from 0 to 4; and

r is an integer of from 1 to 6.