prov:value
| - A process according to claim 10 wherein the monomers are of the formula wherein each of R1, R2, R3, R4, and R5, independently of the others, is a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an arylalkyl group, an alkylaryl group, an arylalkyloxy group, an alkylaryloxy group, or a heterocyclic group, wherein R5 can further be an oligoether group of the formula (
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