Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1997-05-16
1999-09-28
Lovering, Richard D.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
516105, 106674, 106122, 4283215, B32B 516
Patent
active
059585897
ABSTRACT:
Starch-based microcellular foams composed of a solid matrix with a network of small open cells or pores are described. The foams have high pore volume, low density, and high surface area, and are prepared using a process wherein an aqueous gel prepared from gelatinized starch is treated to exchange the water in the gel with air while maintaining the integrity of the network of open cells or pores. The starch-based microcellular foams are particularly useful for encapsulation and later release of a substance.
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Glenn Gregory M.
Stern Donald J.
Connor Margaret A.
Fado John D.
Lovering Richard D.
Metzmaier Daniel S.
Silverstein M. Howard
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