Method for manufacture of biodegradable disposable container

Details Method for manufacture of biodegradable disposable container Method for manufacture of biodegradable disposable container

1993-09-20

1995-02-14

Dawson, Robert A.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Stratified or layered articles

264 37, 264109, 426138, 428 356, B27N 502, B27N 102

Patent

active

053893220

ABSTRACT:
A method for manufacture of a biodegradable disposable container, which container is biodegradable and reduces generation amount of the refuse, and prevents environmental pollution. The method comprises the steps of i) mixing 40-46 weight % of fine granular sawdust powder with 29-35 weight % of albumen and agitating, ii) mixing the result mixture with 17-23% of a potato starch and 4-6% of sodium metaphosphate and agitating, iii) compression-molding the result mixture into a container by a compression mold under the pressure of about 3 Kg/cm.sup.2, iv) steaming the compression-molded container in a steaming box for about 30 minutes at a temperature in the range of about 85.degree. C.-95.degree. C. and drying, and v) applying a resin coating to inner and outer surfaces of the container and drying.

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