Select Accelerators for Rubbers

This selection guide will help you select accelerators for rubbers; one of the most difficult problems in compounding. Accelerators are critical components in adhesive and sealant formulations. This guide explores selection of accelerators according to elastomers and curing properties. To help you select the right accelerator for a particular elastomer, this guide will apprise you with rubber vulcanization, classification of accelerators, selection matrices, starting point formulation and much more.

Accelerators for Rubbers

Accelerators are materials that are added in small amounts to speed up the curing of adhesives. The first used accelerators date back to the 19th century. In that period, mostly oxides and hydroxides of inorganic compounds like lead, zinc, magnesium and calcium were brought to use. These days organic compounds are majorly used as accelerators. Accelerators have made elastomers, particularly latex systems, viable adhesives by reducing their cure time and temperature. Accelerators have also been found to be beneficial as a crosslinking agent in influencing final performance properties.

Accelerators for Rubbers

This guide will attempt to show the way to the informed selection of accelerators in elastomeric or rubber-based adhesives and sealants. The development and commercialization of such accelerators are widely controlled by the industrial rubber industry. This often leaves the adhesive formulator unfamiliar with the various types of accelerators available and their selection process.

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