Method for producing biodegradable packaging material

Details Method for producing biodegradable packaging material Method for producing biodegradable packaging material

1991-12-05

1992-11-03

Aftergut, Karen

Plastic and nonmetallic article shaping or treating: processes

Vacuum treatment of work

264344, B29C 7100

Patent

active

051604671

ABSTRACT:
An improved method for production of a biodegradable packaging material which entails dissolving gellable polysaccharides in water, molding the solution into any desired shape or form, and then vacuum-dehydrating the molded solution to produce the desired product. This improved method reduces the number of steps required to produce the biodegradable packaging material, and therefore provides for a product which is less expensive to produce and possibly more competitive with non-biodegradable packaging materials currently found in today's marketplace.

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patent: 4992220 (1991-02-01), Neri et al.
patent: 5076983 (1991-12-01), Loomis et al.

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