Citation: ZHU Yiexiang, XIE Hongquan. RING-OPENING POLYMERIZATION OF PROPYLENE SULFIDE CATALYZED BY BIMETALLIC OXO ALKOXIDE*[J]. Chinese Journal of Polymer Science, ;1985, 3(2): 116-123. shu

RING-OPENING POLYMERIZATION OF PROPYLENE SULFIDE CATALYZED BY BIMETALLIC OXO ALKOXIDE*

Received Date: 22 October 1983

It was shown that the polymerization rate of propylene sulfide is second order with respect tomonomer concentration and half order with respect to catalyst concentration. A mechanism ofbimolecular coordinated propagation of propylene sulfide and association of the catalyst in thepolymerization system were proposed. The activation energy of polymerization was measured as12.2±0. 5 kcal/mole. Chain transfer constants of monomer and solvent were calculated. The change of molecular weight and molecular weight distribution with conversion was followed by GPC which was improved by adding LiCl to eluant.
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