Method for the preparation of mercapto alkyl silanes

Details Method for the preparation of mercapto alkyl silanes Method for the preparation of mercapto alkyl silanes

1984-12-19

1985-12-03

Shaver, Paul F.

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

Organic compounds

Silicon containing

C07F 708, C07F 718

Patent

active

045567247

ABSTRACT:
The present invention relates to the preparation of mercapto alkyl silanes. It sets out from the known reaction of halogen alkyl silanes with thiourea and ammonia, in which guanidine hydrohalides are produced. The separation of these guanidine hydrohalides is performed in accordance with the invention by treating the reaction mixture with a chlorinated hydrocarbon at the end of the reaction. The amount of the chlorinated hydrocarbon is between 20 and 100% of the volume of the input halogen alkyl silane. The treatment with the chlorinated hydrocarbon can be performed either by pouring the latter into the still-hot reaction mixture, or by pouring the still-hot reaction mixture into the chlorinated hydrocarbon. It is advantageous for the precipitation solution that forms to have a temperature above 70.degree. C. after the performance of the precipitation. The filtering out of the precipitated guanidine hydrohalide is performed preferably at room temperature.

REFERENCES:
patent: 4384132 (1983-05-01), Schwarz et al.
patent: 4507490 (1985-03-01), Panster et al.

Affiliated with

Also associated with

Rating

Method for the preparation of mercapto alkyl silanes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for the preparation of mercapto alkyl silanes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for the preparation of mercapto alkyl silanes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1395463