发明授权
US6143847A Method for preparing (co) polymers by metal-free anionic polymerization in the presence of a phosphonium cation containing at least one annellated aromatic ring 失效
在含有至少一个环形芳环的鏻阳离子存在下通过无金属阴离子聚合制备(共)聚合物的方法

Method for preparing (co) polymers by metal-free anionic polymerization
in the presence of a phosphonium cation containing at least one
annellated aromatic ring
摘要:
The present invention concerns a novel method for preparing polymers (preferably (meth)acrylate polymers and copolymers) having a narrow molecular weight distribution by metal-free anionic polymerization in the presence of a phosphonium cation containing at least one annellated aromatic ring as substituent on the phosphorous atom.
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