| http://www.w3.org/ns/prov#value | - On the other hand, the lower alkyl groups such as methyl, ethyl, propyl and butyl groups are preferable because of the inexpensiveness of the alcoholic compounds from which the alkyl esters are formed. [0024] While, when the alkyl group forming the carboxylate ester group in the monomer is a lower alkyl group, like a carboxyl group, the carboxylate ester group has good reactivity with the hydroxya
|
