Method for purifying 3-methacryloxypropyldimethylhalosilanes and

Details Method for purifying 3-methacryloxypropyldimethylhalosilanes and Method for purifying 3-methacryloxypropyldimethylhalosilanes and

1997-04-22

1998-09-22

Shaver, Paul F.

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

Organic compounds

Silicon containing

C07F 708

Patent

active

058115650

ABSTRACT:
A method for purifying 3-methacryloxypropyl-dimethylhalosilane or 3-methacryloxypropylmethyldihalosilane comprising adding (A) a Lewis acid halide to (B) 3-methacryloxypropyldimethylhalosilane or 3-methacryloxypropyl-methyldihalosilane obtained from an addition reaction of (a) allyl methacrylate and (b) dimethylhalosilane or methyldihalosilane, where the addition reaction by-products contained in aforementioned component (B), 1-methyl-2-methacryloxyethyldimethylhalosilane or 1-methyl-2-methacryloxyethylmethyldihalosilane, are decomposed and the decomposition products produced are then separated by distillation.

REFERENCES:
patent: 5262555 (1993-11-01), Okawa et al.

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