CHEMICALLY MODIFIED PLASTICIZED STARCH COMPOSITIONS BY EXTRUSION PROCESSING

A chemically modified plasticized starch (CMPS) is prepared by reacting starch with an organic dibasic acid or an anhydride of the acid in the presence of a plasticizer using optional free radical initiators, and optionally with the incorporation of nano clays in the reactive extrusion process. The...

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Main Authors RAQUEZ, JEAN-MARIE, DUBOIS, PHILLIPPE, NABAR, YOGARAJ, SHIN, BOO-YOUNG, NARAYAN, RAMANI, BALAKEISHNAN, SUNDER
Format Patent
LanguageEnglish
French
Published 11.01.2007
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Abstract A chemically modified plasticized starch (CMPS) is prepared by reacting starch with an organic dibasic acid or an anhydride of the acid in the presence of a plasticizer using optional free radical initiators, and optionally with the incorporation of nano clays in the reactive extrusion process. The starch is thermoplastic and has a lower viscosity than the traditional thermoplastic, starch. The CMPS is useful in preparing starch polymer compositions which are at least partially biodegradable. Un amidon plastifié modifié chimiquement (CMPS) est préparé en faisant réagir l'amidon avec un acide organique dibasique ou un anhydride d'un tel acide, en présence d'un plastifiant, en utilisant des initiateurs à radicaux libres facultatifs, éventuellement avec incorporation de nano-argiles dans le processus d'extrusion du produit réagissant. L'amidon est thermoplastique et présente une viscosité plus faible que l'amidon thermoplastique de type courant. Le CMPS est utilisé pour la préparation de compositions polymères d'amidon qui sont au moins partiellement biodégradables
AbstractList A chemically modified plasticized starch (CMPS) is prepared by reacting starch with an organic dibasic acid or an anhydride of the acid in the presence of a plasticizer using optional free radical initiators, and optionally with the incorporation of nano clays in the reactive extrusion process. The starch is thermoplastic and has a lower viscosity than the traditional thermoplastic, starch. The CMPS is useful in preparing starch polymer compositions which are at least partially biodegradable. Un amidon plastifié modifié chimiquement (CMPS) est préparé en faisant réagir l'amidon avec un acide organique dibasique ou un anhydride d'un tel acide, en présence d'un plastifiant, en utilisant des initiateurs à radicaux libres facultatifs, éventuellement avec incorporation de nano-argiles dans le processus d'extrusion du produit réagissant. L'amidon est thermoplastique et présente une viscosité plus faible que l'amidon thermoplastique de type courant. Le CMPS est utilisé pour la préparation de compositions polymères d'amidon qui sont au moins partiellement biodégradables
Author NABAR, YOGARAJ
DUBOIS, PHILLIPPE
NARAYAN, RAMANI
RAQUEZ, JEAN-MARIE
BALAKEISHNAN, SUNDER
SHIN, BOO-YOUNG
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– fullname: BALAKEISHNAN, SUNDER
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DocumentTitleAlternate COMPOSITIONS D'AMIDON PLASTIFIE MODIFIE CHIMIQUEMENT PAR UN PROCESSUS D'EXTRUSION
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RelatedCompanies NABAR, YOGARAJ
DUBOIS, PHILLIPPE
MICHIGAN STATE UNIVERSITY
NARAYAN, RAMANI
RAQUEZ, JEAN-MARIE
BALAKEISHNAN, SUNDER
SHIN, BOO-YOUNG
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Snippet A chemically modified plasticized starch (CMPS) is prepared by reacting starch with an organic dibasic acid or an anhydride of the acid in the presence of a...
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SubjectTerms ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
DERIVATIVES THEREOF
DYES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
POLISHES
POLYSACCHARIDES
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
USE OF MATERIALS AS ADHESIVES
Title CHEMICALLY MODIFIED PLASTICIZED STARCH COMPOSITIONS BY EXTRUSION PROCESSING
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