Exxon Research and Engineering Company

John E Chandler

Robert W Lenz

Burnett H Johnson

Crystalline co-polybenzyls are prepared by the polymerization of 2,5-dimethylbenzyl chloride with a benzyl halide of the same series.

Crystalline co-polybenzyls preparation

Polybenzyls of high molecular weight and high crystallinity are obtained by polymerizing aralkyl halides in the presence of a catalyst comprising a complex of a Friedel-Crafts catalyst with a complexing agent which can be a nitroarene or a nitroalkane. The complex catalyst allows the polymerization to be run at higher temperatures and with higher rates. Yields are obtained up to 100%.

Preparation of linear crystalline homopolybenzyl

Crystalline co-polybenzyls are prepared by the polymerization of 2,5-dimethylbenzyl chloride with a benzyl halide of the same series. The polymers have utility in general thermoplastic applications such as, for example, the manufacture of conduits, hoses and pipes, as coatings for wire and cables, the manufacture of seals, molds and mechanical goods, tanks and pipelinings, and in other articles of manufacture.

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Stamford, CT, United States of America

John E Chandler