Method of making fire-resisting synthetic boards

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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Details

4273933, 427243, 106 1821, 428921, B05D 302

Patent

active

055099831

ABSTRACT:
A method of making fire-resisting synthetic boards including steps of dipping two pieces of fabric in a coating material prepared by mixing clay powder with a urea, water, a stabilizing agent, latex, sodium chloride, and a pigment; bonding the coated fabrics together by an intermediate bonding material prepared by mixing clay powder with urea, water, sodium chloride, and a stabilizing agent, so as to obtain a blank; drying the blank thus obtained in a kiln permitting the intermediate bonding material to form into a foamed structure and then surface treating the board thus obtained into a finished product.

REFERENCES:
patent: 2889235 (1959-06-01), Campbell et al.
patent: 4552803 (1985-11-01), Pearson
patent: 5091243 (1992-02-01), Tolbert et al.

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