Molecular formula :
nature : one or several of the monomer initiator (or catalysts and catalyst) under active sites by ionic reaction polymerization process into polymers. Its general mechanism for chain reaction. Chain growth by the nature of active sites ions, can be divided into Yin (or negative) ion type polymerization reaction (anionic polymerization) (growth of the active center of anion chain) and yang (or are) ion type polymerization reaction (cationic polymerization) (growth of the active center of cationic chain). Relative radical polymerization, plasma polymerization of monomers high selectivity, fast polymerization, the polymerization temperature low, medium polarity significant impact, but polymerization experimental conditions harsh.
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