Artificial granite solid material

Details Artificial granite solid material Artificial granite solid material

1990-11-02

1994-08-16

Epstein, Henry F.

Stock material or miscellaneous articles

Three dimension imitation or 'treated' natural product

156 61, 428274, 4285375, B44F 904

Patent

active

053385845

ABSTRACT:
A granitic stone ( so-called Mikage-ishi)-like artificial solid material produced by impregnating a paper sheet having a granitic pattern with a thermosetting resin to give a paper containing from 25 to 60% by weight of the resin at the dry basis; drying the resin-impregnated paper sheet; and hot-pressing a laminate comprising a plurality of the dried sheets; is claimed, said paper mainly comprising (A) from 20 to 80% by weight of cellulose pulp, (B) from 2 to 40% by weight of an artificial fiber, (C) from 10 to 70% by weight of an inorganic filler less than 10 .mu.m in average diameter, and (D) from 1 to 30% by weight of a fine-grained additive consisting of grains from 10 to 500 .mu.m in average diameter, having a color hue different from that of the inorganic filler (C).
The artificial granite solid material has an excellent machinability, workability, and physical properties (strength), as well as good-looking textures (inorganic material like appearance, expressing by itself heaviness, hardness, and thickness; exhibits a very granitic look as a whole) with an ornamental and luxurious appearance.

REFERENCES:
patent: 4518764 (1985-05-01), Tanaka et al.
patent: 4956030 (1990-09-01), Baskin

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