MELT-PROCESSABLE STARCH COMPOSITION
PURPOSE: Provided is a novel starch composition that is substantially homogeneous and has desirable rheological characteristics such that it is melt processable by conventional thermoplastic processing equipment. The composition is particularly suitable for uniaxial and biaxial extensional processes...
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Main Authors | , , , , , |
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Format | Patent |
Language | English Korean |
Published |
26.09.2001
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | PURPOSE: Provided is a novel starch composition that is substantially homogeneous and has desirable rheological characteristics such that it is melt processable by conventional thermoplastic processing equipment. The composition is particularly suitable for uniaxial and biaxial extensional processes. CONSTITUTION: The composition comprising a starch and additives, has an extensional viscosity in the range of from about 50 pascal seconds to about 20,000 pascal·seconds and exhibits a capillary number of at least 1. The composition prepared by the process of: (1) forming a mixture of: (a) from about 5 to about 99.99wt% of starch, wherein the starch has a molecular weight ranging from about 1,000 to about 2,000,000 and 20 to 99 wt% of thereof is amylopectin; and (b) from about 0.001 to about 95 wt% of an additive selected from the group consisting of plasticizers and diluents; and (2) passing mixture through a die to produce material selected from the group consisting of fibers, filaments, foams and films. |
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AbstractList | PURPOSE: Provided is a novel starch composition that is substantially homogeneous and has desirable rheological characteristics such that it is melt processable by conventional thermoplastic processing equipment. The composition is particularly suitable for uniaxial and biaxial extensional processes. CONSTITUTION: The composition comprising a starch and additives, has an extensional viscosity in the range of from about 50 pascal seconds to about 20,000 pascal·seconds and exhibits a capillary number of at least 1. The composition prepared by the process of: (1) forming a mixture of: (a) from about 5 to about 99.99wt% of starch, wherein the starch has a molecular weight ranging from about 1,000 to about 2,000,000 and 20 to 99 wt% of thereof is amylopectin; and (b) from about 0.001 to about 95 wt% of an additive selected from the group consisting of plasticizers and diluents; and (2) passing mixture through a die to produce material selected from the group consisting of fibers, filaments, foams and films. |
Author | GORDON, GREGORY CHARLES JAMES, MICHAEL DAVID MICHAEL, JOHN GEHARD BAYLEY, VALERIE ANNE MACKIE, LARRY NIL TROKAN PAUL DENNIS |
Author_xml | – fullname: MICHAEL, JOHN GEHARD – fullname: JAMES, MICHAEL DAVID – fullname: MACKIE, LARRY NIL – fullname: GORDON, GREGORY CHARLES – fullname: BAYLEY, VALERIE ANNE – fullname: TROKAN PAUL DENNIS |
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Snippet | PURPOSE: Provided is a novel starch composition that is substantially homogeneous and has desirable rheological characteristics such that it is melt... |
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SubjectTerms | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS GENERAL PROCESSES OF COMPOUNDING MECHANICAL FINISHING OF YARNS OR ROPES METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WARPING OR BEAMING WORKING-UP YARNS YARNS OR THREADS |
Title | MELT-PROCESSABLE STARCH COMPOSITION |
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