| http://www.w3.org/ns/prov#value | - , comprising at least one chain chosen from alkyl and alkenyl chains, such as alkyl and alkenyl chains having at least 4 carbon atoms, and further such as alkyl and alkenyl chains having from 8 to 120 carbon atoms, bonded to the polymer skeleton via at least one linking group, as an agent for increasing at least one of the following properties of the composition: hardness, shear strength, heat res
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