Composite fibers of potassium hexatitanate and titanium dioxide

Details Composite fibers of potassium hexatitanate and titanium dioxide Composite fibers of potassium hexatitanate and titanium dioxide

1994-05-23

1995-01-24

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Tractive or friction surface

188251A, 501 95, 501136, C09K 314

Patent

active

053839633

ABSTRACT:
A platelike polycrystalline fiber having a composite phase which consists of potassium hexatitanate crystals and titanium dioxide crystals mixed therewith is prepared by heating a mixture of titanium compound and potassium compound to obtain a melt, cooling the melt to obtain a lump of fibers, treating the lump of fibers in an aqueous acid solution to control the potassium content of the fibers to 1 to 13.5 weight %, and heat-treating the resulting fibers at 900.degree. to 1300.degree. C.
The composite fiber is suitable as fibers to be included in friction materials for slide members of automobiles and like brake devices.

REFERENCES:
patent: 4810439 (1989-03-01), Fujiki et al.
patent: 4944373 (1990-07-01), Ohya et al.
patent: 5127949 (1992-07-01), Nakazawa et al.

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