Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By gas forming or expanding
Patent
1988-12-30
1989-09-05
Foelak, Morton
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
By gas forming or expanding
106210, 106213, 106122, 521 79, 521 82, 521 841, 264186, 264DIG5, B29C 6722, C08J 912
Patent
active
048636550
ABSTRACT:
A biodegradable packaging material comprising an expanded high amylose starch product having at least 45% by weight amylose content, said expanded product having a low density, closed cell structure with good resilience and compressibility.
Another embodiment provides a method of preparing a low density, biodegradable packaging material comprising extruding a starch having at least 45% by weight amylose content, in the presence of a total moisture content of 21% or less by weight, at a temperature of from 150.degree. to 250.degree. C.
REFERENCES:
patent: 3116351 (1963-12-01), Wohlrabe et al.
patent: 3137592 (1964-06-01), Protzman et al.
patent: 3265509 (1966-08-01), Wurzburg et al.
patent: 3336429 (1967-08-01), Carevic
patent: 3891624 (1975-06-01), Boonstra et al.
patent: 3962155 (1976-06-01), Usamoto et al.
patent: 4156759 (1979-05-01), Hostettler
Chinnaswamy, R. et al., Cereal Chemistry, "Relationship between Amylose Content and Extrusion-Expansion Properties of Corn Starches", vol. 65, No. 2, 1988, pp. 138-143.
Chinnaswamy, R. et al., J. of Food Science, "Optimum Extrusion-Cooking Conditions for Maximum Expansion of Corn Starch", vol. 53, No. 3, 1988, pp. 834-840.
Altieri Paul A.
Lacourse Norman L.
Foelak Morton
National Starch and Chemical Corporation
Szala Edwin M.
Zagarella, Jr. Eugene
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