Wacker-chemie Gmbh

Wilfried Dressler

Klaus Adler

Peter Huber

Johann Bauer

Peter August

Engelbert Pichler

Christoph Kemenater

Organosilanes containing aliphatic double bonds and a process for preparing the same which comprises reacting an organic compound having more than one aliphatic double bond with a silane having an Si-bonded hydrogen atom and at least one hydrolyzable group and/or at least one group capable of being hydrolyzed more readily than the Si-bonded hydrogen atom in the presence of a catalyst which promotes the addition of Si-bonded hydrogen atoms to aliphatic double bonds. These organosilanes are used as reinforcing agents for compositions containing organic polymers which are crosslinked by means of sulfur or free radicals.

Process for the preparation and use of silanes

A readily dryable adhesive binder for particulated rubber and/or plastics compositions comprising from 1% to 10% by weight of a water-solubleformaldehyde polycondensation resin, from 0.5% to 5% by weight of formaldehyde or a compound liberating formaldehyde, and from 85% to 98.5% by weight of a film-forming plastics dispersion; as well as a composition forming a resilient covering comprising from 40% to 75% by weight of particulated rubber and/or plastics and from 25% to 60% by weight of the above adhesive binder.

Particulated rubber and plastics coverings and binders therefor

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Burghausen, Germany

Wilfried Dressler