Titanium, zirconium- and hafnium containing initiators in the po

Details Titanium, zirconium- and hafnium containing initiators in the po Titanium, zirconium- and hafnium containing initiators in the po

1986-08-29

1988-03-01

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526170, 526241, 260665R, 556 52, C08F 406

Patent

active

047287063

ABSTRACT:
Process for preparing "living" polymer, the process comprising contacting one or more acrylic monomers under polymerizing conditions with a polymerization-initiating amount of a tetra-coordinate organotitanium, organozirconium or organo-hafnium polymerization initiatior, and "living" polymers produced thereby.

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Webster et al., J. Am. Chem. Soc., 105, 5706 (1983), "Group Transfer Polymerization".
Reetz, "Selective Reactions of Organotitanium Reagents", Pure and Appl. Chem., 57, No. 12, Dec. 1985, pp. 1781-1788.

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