Free-radical initiators and method for making

Details Free-radical initiators and method for making Free-radical initiators and method for making

1984-11-02

1985-08-13

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

556464, C07F 708, C07F 718

Patent

active

045351740

ABSTRACT:
Free-radical initiators are provided in the form of silylethers of arylpinacols. An aryl ketone is reacted with a monohalo- or dihalosilane having at least one olefinically unsaturated organic radical attached to silicon in the presence of an active metal reducing agent, such as magnesium.

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Calas et al., C. R. Acad. Sc. Paris, 267(Series C), 322, 1968.
Aromatic Pinacols as Polymerization Initiators, Braun et al, Ind. Ing. Chem., Prod. Res. Develop., vol. 10, No. 4, 387, (1971).
Aromatische Pinakole als Polymerisationsinitiatores, Braun et al, Angew. Makromol. Chem., 6(68), 186, (1969).
Polymerisationsauslosung mit substituierten Ethanen, 1, Polymerisation von Methylmethacrylat mit 1,1,2,2-Tetraphenyl-1,2-diphenoxyethan, Bledski et al, Makromol. Chem., 182, 1047, (1981).
Polymerisationsauslosung mit substituierten Ethanen, 5, Polymerisation von verschiedenen Methacrylmonomeren, Bledzki et al, Makromol. Chem., 184, (1983).
Chem. Abstracts, Wolfers et al, German 2,632,294, (1/19/78) to Bayer.

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