Biodisintegrable thermoplastic resin moldings and a process for

Details Biodisintegrable thermoplastic resin moldings and a process for Biodisintegrable thermoplastic resin moldings and a process for

1990-11-07

1993-07-06

Short, Patricia A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525177, 525186, 525190, 525411, 525419, 525425, 525938, 2641761, C08L 6702, C08L 6704, C08L 7700, C08L 7706

Patent

active

052254909

ABSTRACT:
Biodisintegrable thermoplastic resin moldings and a process for producing same are disclosed, the biodisintegrable thermoplastic resin moldings being comprised of a thermoplastic aliphatic polyester resin as a matrix resin having dispersed therein an other type of thermoplastic resin in a proportion of 40-75 weight % based on the whole resin. The biodisintegrable thermoplastic resin moldings is easily disintegrable after disposal in an environment where microorganisms exist so that the moldings can be reduced in bulkness and give no harmful effect on the life of natural plants and animals. Thus, the present invention affords an effective means for solving various problems in the treatment of disposed plastic articles.

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patent: 4393167 (1983-07-01), Holmes
patent: 4661530 (1987-04-01), Gogolewski
patent: 5051476 (1991-09-01), Uji

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