Inorganically filled, starch-based compositions for manufacturin

Details Inorganically filled, starch-based compositions for manufacturin Inorganically filled, starch-based compositions for manufacturin

1996-08-02

1999-02-09

Bell, James J.

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

10616401, 10620501, 1062061, 10621701, 10628735, 106400, 536102, C04B 1438, C08L 302

Patent

active

058688242

ABSTRACT:
Compositions, methods, and systems for manufacturing articles, particularlycontainers and packaging materials, having a particle packed, highly inorganically filled, cellular matrix are disclosed. Suitable inorganically filled mixtures are prepared by mixing together a starch-based binder, a solvent, inorganic aggregates, and optimal admixtures, e.g., fibers, mold-releasing agents, rheology-modifying agents, plasticizers, coating materials, and dispersants, in the correct proportions to form an article which has the desired performance criteria. The inorganically filled mixtures have a predetermined viscosity and are heated between molds at an elevated temperature and pressure to produce form-stable articles having a desired shape and a selectively controlled cellular, structural matrix. The molded articles may be placed in a high humidity chamber to obtain the necessary flexibility for their intended use. The articles may be manufactured to have properties substantially similar to articles presently made from conventional materials like paper, paperboard, polystyrene, plastic, or other organic materials. They have especial utility in the mass-production of containers, particularly food and beverage containers.

REFERENCES:
patent: 4243480 (1981-01-01), Hernandez et al.
patent: 4613627 (1986-09-01), Sherman
patent: 4623150 (1986-11-01), Moehlman et al.
patent: 5620510 (1997-04-01), Mentzer et al.

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