Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – Stratified or layered articles
Patent
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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Kim Doo-hyun
Kim Jae-il
Chismar Dennis J.
Dawson Robert A.
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