发明授权
US4923938A Catalyst for regulating the molecular weight distribution of ethylene polymers 失效
用于调节乙烯聚合物分子量分布的催化剂

Catalyst for regulating the molecular weight distribution of ethylene
polymers
摘要:
A vanadium-based catalyst is treated with certain oxygen-containing compounds as a means of narrowing and effectively regulating the molecular weight distribution of the polymers produced with the catalyst.
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