| http://www.w3.org/ns/prov#value | - Such polymers include one or more of the following acetoacetyl-functional groups: ???C(O)???R1???C(O)???R2, wherein preferably R1 is a C1 to C22 alkylene group and R2 is a C1 to C22 alkyl group; more preferably, R1 is a C1 to C4 alkylene group and R2 is a C1 to C4 alkyl group; and most preferably, R1 is methylene (???CH2???) and R2 is methyl (???CH3).
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