Thermally expansible compositions methods for preparation and de

Details Thermally expansible compositions methods for preparation and de Thermally expansible compositions methods for preparation and de

1996-04-08

1998-10-06

Smith, Jeffrey T.

Automatic temperature and humidity regulation

Thermostatic

Expanding solid

337394, 524588, 524858, 524860, 524861, G05D 2302

Patent

active

058164936

ABSTRACT:
A thermally expansible composition is provided as well as method of making the composition and actuators and other devices employing the composition. The composition comprises a mixture of silicone elastomer and a thermostatic wax, polymer, alloy or alloy mixture that melts below 400.degree. F. The composition is moldable by any common technique, may be handled at room temperature without heating or refrigeration and can be easily contained in an actuating device without seals other than an anti-extrusion closure seal. This composition can be used in actuators without seals or return springs or other reconsolidating means.

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