Filled elastomer compositions

Details Filled elastomer compositions Filled elastomer compositions

1982-09-02

1984-01-24

Poer, James

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106308N, 501148, 501150, C09C 128

Patent

active

044274521

ABSTRACT:
A filled elastomer composition comprises a natural or synthetic rubber and, as a filler, a substantially dehydroxylated clay which contains at least 60% by weight of particles smaller than 2 microns equivalent spherical diameter, has a specific gravity not greater than 2.4 and a spherical surface area of at least 10 m.sup.2 g.sup.-1 and which has been treated with a substituted silane. The substantially dehydroxylated clay can be obtained by "shock" calcining a kaolinitic clay.

REFERENCES:
patent: 3227625 (1966-01-01), Papalos
patent: 3290165 (1966-12-01), Iannicelli
patent: 3309214 (1967-03-01), Podschos et al.

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