POLYMERIZATION OF METHYL METHACRYLATE WITH ORGANOLANTHANIDES AS SINGLE-COMPONENT CATALYSTS*

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POLYMERIZATION OF METHYL METHACRYLATE WITH ORGANOLANTHANIDES AS SINGLE-COMPONENT CATALYSTS*

Papers | Updated：2021-06-21

- POLYMERIZATION OF METHYL METHACRYLATE WITH ORGANOLANTHANIDES AS SINGLE-COMPONENT CATALYSTS*
- Vol. 19, Issue 1, Pages: 85-87(2001)
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- Published：20 February 2001
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POLYMERIZATION OF METHYL METHACRYLATE WITH ORGANOLANTHANIDES AS SINGLE-COMPONENT CATALYSTS*[J]. 2001, 19(1): 85-87.
DOI：

POLYMERIZATION OF METHYL METHACRYLATE WITH ORGANOLANTHANIDES AS SINGLE-COMPONENT CATALYSTS*[J]. 2001, 19(1): 85-87. DOI：

摘要

It was first found that Ind2Y(μ-Et)2AlEt2 and Ind2LnN(i-Pr)2 (Ln = Y

Yb) exhibit extremely high catalytic activity in the polymerization of methyl methacrylate. The reactions can be carried out over a quite broad range of polymerization temperatures from -30 to 50℃. PMMA with high molecular weight (7.8 × l0-5) and high isotacticity (94%) can be obtained by using Ind2Y(μ-Et)2AlEt2

and narrow molecular weight distribution (Mw/Mn 2LnN(iPr)2(Ln = Y

Yb).

Abstract

It was first found that Ind2Y(μ-Et)2AlEt2 and Ind2LnN(i-Pr)2 (Ln = Y

and narrow molecular weight distribution (Mw/Mn 2LnN(iPr)2(Ln = Y

Yb).

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