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Plastics and Rubber

Rubber Compounding

As demand increases for elastomeric products in colors other than black, and with mechanical attributes similar to those provided by carbon black, silanes are the key to providing a method of effectively bonding various inorganics to the polymer phase.

Coupling silanes with minerals provides improved:

  • Abrasion resistance
  • Composite strength
  • Rheology control
  • Rolling resistance in tires
  • Toughness
  • Wet electrical properties

Polymer Manufacturing

Selected silanes, known as “external donors”, are used in conjunction with Ziegler-Natta catalysts in the manufacture of polypropylene. The silanes bring a better balance of productivity / isotacticity to the process versus other organic materials.

Reactive silicone polymers have also been used to produce thermoplastic vulcanizates(TPV) which are defined as a thermoplastic elastomer with a chemically crosslinked rubbery phase, produced by dynamic vulcanization.

Plastic Compounding

The use of vinyl silane has been commercially used since the 1970s to crosslink polyethylene and its copolymers for electrical wire and cable insulation and jacketing where its temperature resistance has been exploited. The technology is also being used to produce hot water piping materials where its resistance to long term pressure at elevated temperature is essential.

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