Artificial marble

Details Artificial marble Artificial marble

1987-12-08

1989-10-03

Robinson, Ellis P.

Stock material or miscellaneous articles

Three dimension imitation or 'treated' natural product

428211, 428195, 428284, 428286, 428524, 428527, 428285, 428287, 428329, 428331, 428368, 428408, 428525, A01N 100, B32B 1500

Patent

active

048715964

ABSTRACT:
Artificial marble is produced by laminating a plurality of prepreg sheets formed by impregnating a porous substrate with a melamine resin composition which is composed of melamine resin and a modifier. The melamine resin is an unmodified melamine resin or an alcohol-etherified melamine resin in which formaldehyde-to-melamine molar ratio is between 1.2 to 3.0. The modifier is selected from alcohol, glycol, acrylic monomer, acrylic oligomer and vinyl acetate monomer. The artificial marble has a good stability in dimensions and it is suitable to apply the artificial marble to a composite panel or a decorative laminate panel which is free from tearing even after long time use.

REFERENCES:
patent: 3773886 (1973-11-01), Starr et al.
patent: 4126719 (1978-11-01), Koyanagi et al.
patent: 4179760 (1979-12-01), Nakagawa
patent: 4209486 (1980-06-01), Ross
patent: 4219598 (1980-08-01), Noma et al.
patent: 4490410 (1984-12-01), Takiyama et al.
patent: 4643921 (1987-02-01), Terabe et al.

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