Finely divided silicone rubber additive material and method for

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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524317, 524366, 525476, 528 15, 528 31, 528 32, 528 17, 528 34, C08K 515

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active

048495646

ABSTRACT:
The finely divided cured silicone rubber particles of the present invention contain at least epoxide compound or a condensation product thereof. The epoxide compound or a condensation product thereof can be present in the free state or chemically bonded to the silicone rubber, and the particles have a particle diameter of 1 mm or less. The particles exhibit excellent compatibility with a variety of materials, including various organic resins and synthetic rubbers, and when added to or admixed with these materials enhance the physical properties of these materials and are durably bonded within matrices of these materials.

REFERENCES:
patent: 3842141 (1974-10-01), Fetscher et al.
patent: 4330456 (1982-05-01), Bonnaud
patent: 4673718 (1987-06-01), Ryntz et al.

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