Describe the mechanism by which stereoregular polyolefins are formed in heterogeneous coordination polymerization. Complete the reaction scheme below, showing initiation, propagation and transfer to monomer steps in the synthesis of isotactic polypropylene. The catalyst, R-MLn, represents a crystalline organometallic compound, where M is a metal atom with a vacant d-orbital, R is an alkyl group directly attached to the metal atom; and Ln represents a halide ligand set. Assume all chain ends are terminated by transfer to monomer. R-MLn +
Describe the mechanism by which stereoregular polyolefins are formed in heterogeneous coordination polymerization. Complete the reaction scheme below, showing initiation, propagation and transfer to monomer steps in the synthesis of isotactic polypropylene. The catalyst, R-MLn, represents a crystalline organometallic compound, where M is a metal atom with a vacant d-orbital, R is an alkyl group directly attached to the metal atom; and Ln represents a halide ligand set. Assume all chain ends are terminated by transfer to monomer. R-MLn +
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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