THERMOPLASTIC STARCH COMPOUNDS

The invention relates to a homogeneous, non-dried, melt-extruded thermoplastic compound containing 30-60% by weight dry substance of native or chemically modified starch, maximum 11% by weight dry substance of at least one other biopolymer selected from the group consisting of carrageenan or a diffe...

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Bibliographic Details
Main Authors BROCKER ERICH, SCHWAB ERNST, HALTER MARTIN
Format Patent
LanguageEnglish
Published 20.01.2011
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:The invention relates to a homogeneous, non-dried, melt-extruded thermoplastic compound containing 30-60% by weight dry substance of native or chemically modified starch, maximum 11% by weight dry substance of at least one other biopolymer selected from the group consisting of carrageenan or a different polysaccharide or a protein, 20-45% by weight dry substance of at least one softener and a maximum of 20% by weight water. Said compound can be used, advantageously, to produce molded bodies such as soft capsules with increased impact resistance.
Bibliography:Application Number: US20090921226