| http://www.w3.org/ns/prov#value | - The polymerization can be carried out in the presence of an inert normally-liquid organic vehicle such as, for example, aromatic hydrocarbons such as benzene, toluene, xylene, ethylbenzene and the like; oxygenated organic compounds such as anisole, dimethyl and diethyl ethers of ethylene glycol; normally-liquid saturated hydrocarbons including open cha, cyclic and alkyl-substituted cyclic saturate
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