Mineral fillers

Details Mineral fillers Mineral fillers

1992-03-25

1993-09-14

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524445, 524446, 174110AR, 174121AR, C08K 334

Patent

active

052449580

ABSTRACT:
There is provided an elastomeric composition including a kaolinitic clay mineral filler, characterised in that said kaolinitic clay mineral (a) is a hydrous kaolinitic clay mineral which has a content of non-exchangeable alkali metal cations not exceeding 10,000 ppm (parts by weight per million parts by weight of dry clay) and a content of exchangeable alkali metal cations not exceeding 750 ppm or (b) is a calcined kaolinitic clay mineral prepared by calcining a hydrous kaolinitic clay mineral having a content of non-exchangeable alkali metal cations not exceeding 10,000 ppm and a content of exchangeable alkali metal cations not exceeding 750 ppm.

REFERENCES:
patent: 2742345 (1956-04-01), Kloepfer et al.
patent: 3227675 (1966-01-01), Papalos
patent: 3228784 (1966-01-01), Mays et al.
patent: 3368976 (1968-02-01), Conley
patent: 4132700 (1979-01-01), Stephens et al.
patent: 4210574 (1980-07-01), Stephens
patent: 4810578 (1989-03-01), Prescott et al.
patent: 4866018 (1989-09-01), Elliot
patent: 4927465 (1990-05-01), Hyder et al.
Dannenberg--Elastomerics, 30 to 35, 50, Dec. 1981.

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