Injection moldable biodegradable starch polymer composite

Details Injection moldable biodegradable starch polymer composite Injection moldable biodegradable starch polymer composite

1990-11-13

1992-11-10

Bleutge, John C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 47, 524 52, 524522, 524585, C08L 302

Patent

active

051623927

ABSTRACT:
An injection moldable biodegradable plastic formed of corn starch and low-density polyethylene. Ethylene acrylic acid co-polymer can be included in proportions ranging from 0-10%, by weight, and sodium hydroxide can be utilized to neutralize the acidic portions of the ethylene acrylic acid co-polymer. When no ethylene acrylic acid co-polymer is utilized, glycerol is added. To improve injection molding characteristics, the ethylene acrylic acid co-polymer and polyethylene are premixed before the addition of corn starch.

REFERENCES:
patent: 4337181 (1982-06-01), Otey et al.

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