Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1993-05-03
1995-04-25
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524 52, 524312, 524377, 524387, C08J 912, C08K 510, C08K 506
Patent
active
054099730
ABSTRACT:
Biodegradable compositions comprising destructured starch and an ethylene-vinyl acetate copolymer are prepared by mixing the starch and the copolymer in an extruder heated to a temperature of between 80.degree. and 180.degree. C. and bringing the water content to below 6% and any ammonia content to below 0.2% by weight. The composition fed to the extruder may optionally include up to 40% by weight of an ethylene-vinyl alcohol polymer, as well as a starch destructuring agent and a high boiling plasticizer.
REFERENCES:
patent: 3652542 (1972-03-01), Hjermstad
patent: 4673438 (1987-06-01), Wittwer
patent: 4863655 (1989-09-01), Lacourse et al.
patent: 4900361 (1990-02-01), Sachetto et al.
patent: 5035930 (1991-07-01), Lacourse et al.
patent: 5043196 (1991-08-01), Lacourse et al.
patent: 5095054 (1992-03-01), Lay et al.
Chemical Abstracts, vol. 7, No. 8, p. 47, Abstract No. 60151n, F. H. Otey et al., "Starch-based blown films" (Aug. 24, 1987).
Otey, F. H. et al., Ind. Eng. Chem. Res. 26(8):1659-63 (1987), "Starch-Based Blown Films".
Bastioli Catia
Bellotti Vittorio
Del Tredici Gianfranco
Butterfly S.r.l.
Cave Bryan
DeWitt LaVonda R.
Michl Paul R.
Waddell Mark E.
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