BIODEGRADABLE PLASTIC RAW MATERIAL AND BIODEGRADABLE PLASTIC MOLDING, AS WELL AS METHOD FOR MANUFACTURING THIS BIODEGRADABLE PLASTIC MOLDING

BIODEGRADABLE PLASTIC RAW MATERIAL AND BIODEGRADABLE PLASTIC MOLDING, AS WELL AS METHOD FOR MANUFACTURING THIS BIODEGRADABLE PLASTIC MOLDING

PROBLEM TO BE SOLVED: To provide a biodegradable plastic raw material capable of ensuring long-term reliability, particularly, a biodegradable polyester raw material, and a molding originated from the biodegradable plastic raw material. SOLUTION: In the biodegradable plastic raw material prepared by...

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Bibliographische Detailangaben
Hauptverfasser: YAMADA SHINICHIRO, NOGUCHI TSUTOMU, FUJIHIRA HIROKO, MORI HIROYUKI
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a biodegradable plastic raw material capable of ensuring long-term reliability, particularly, a biodegradable polyester raw material, and a molding originated from the biodegradable plastic raw material. SOLUTION: In the biodegradable plastic raw material prepared by treating a biodegradable plastic with a compound capable of reacting with active hydrogen in the biodegradable plastic, the compound is a crosslinking agent having a carbodiimide group, comprises dicyclohexyl carbodiimide or diisopropyl carbodiimide, and is reacted with the active hydrogen till its acid value is ≤0.5. A molding thereof is also provided. COPYRIGHT: (C)2008,JPO&INPIT