VISCOSITY-MODIFIED LACTIDE POLYMER COMPOSITION AND PROCESS FOR MANUFACTURE THEREOF
A composition comprising a polylactide polymer with improved extensional viscosity and methods of making the same are disclosed. The polylactide polymer composition is prepared by providing in the composition polylactide polymer molecules which have been modified, relative to linear non-substituted...
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| creator | GRUBER, PATRICK RICHARD BROSCH, ANDREA LEE KOLSTAD, JEFFREY JOHN WITZKE, DAVID ROY HARTMANN, MARK HENRY |
| description | A composition comprising a polylactide polymer with improved extensional viscosity and methods of making the same are disclosed. The polylactide polymer composition is prepared by providing in the composition polylactide polymer molecules which have been modified, relative to linear non-substituted polylactide, to provide increas ed molecular interaction among polylactide backbone chains in the composition. The preferred polylactide polymer composition has a number average molecular weight of at least about 10,000 (preferably at least 50,000) and a polydispersity of at least about 2.5. In addition, th e polylactide polymer composition should have a neck-in ratio of less than about 0.8. |
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The polylactide polymer composition is prepared by providing in the composition polylactide polymer molecules which have been modified, relative to linear non-substituted polylactide, to provide increas ed molecular interaction among polylactide backbone chains in the composition. The preferred polylactide polymer composition has a number average molecular weight of at least about 10,000 (preferably at least 50,000) and a polydispersity of at least about 2.5. In addition, th e polylactide polymer composition should have a neck-in ratio of less than about 0.8.</description><language>eng ; fre</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; BANDAGES, DRESSINGS OR ABSORBENT PADS ; BRAIDING ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; COTTON-WOOL ; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. 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STENTS</topic><topic>FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS</topic><topic>FILTERS IMPLANTABLE INTO BLOOD VESSELS</topic><topic>FIRST-AID KITS</topic><topic>FOMENTATION</topic><topic>GENERAL PROCESSES OF COMPOUNDING</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>IMPREGNATING OR COATING OF PAPER</topic><topic>INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS</topic><topic>KNITTING</topic><topic>LACE-MAKING</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</topic><topic>MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>METALLURGY</topic><topic>NON-WOVEN FABRICS</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES</topic><topic>PAPER NOT OTHERWISE PROVIDED FOR</topic><topic>PAPER-MAKING</topic><topic>PERFORMING OPERATIONS</topic><topic>PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D</topic><topic>PRODUCTION OF CELLULOSE</topic><topic>PROSTHESES</topic><topic>PULP COMPOSITIONS</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>TEXTILES</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G</topic><topic>TREATMENT OR PROTECTION OF EYES OR EARS</topic><topic>TRIMMINGS</topic><topic>WADDING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><topic>WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>GRUBER, PATRICK RICHARD</creatorcontrib><creatorcontrib>BROSCH, ANDREA LEE</creatorcontrib><creatorcontrib>KOLSTAD, JEFFREY JOHN</creatorcontrib><creatorcontrib>WITZKE, DAVID ROY</creatorcontrib><creatorcontrib>HARTMANN, MARK HENRY</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GRUBER, PATRICK RICHARD</au><au>BROSCH, ANDREA LEE</au><au>KOLSTAD, JEFFREY JOHN</au><au>WITZKE, DAVID ROY</au><au>HARTMANN, MARK HENRY</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>VISCOSITY-MODIFIED LACTIDE POLYMER COMPOSITION AND PROCESS FOR MANUFACTURE THEREOF</title><date>2007-10-09</date><risdate>2007</risdate><abstract>A composition comprising a polylactide polymer with improved extensional viscosity and methods of making the same are disclosed. The polylactide polymer composition is prepared by providing in the composition polylactide polymer molecules which have been modified, relative to linear non-substituted polylactide, to provide increas ed molecular interaction among polylactide backbone chains in the composition. The preferred polylactide polymer composition has a number average molecular weight of at least about 10,000 (preferably at least 50,000) and a polydispersity of at least about 2.5. In addition, th e polylactide polymer composition should have a neck-in ratio of less than about 0.8.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BANDAGES, DRESSINGS OR ABSORBENT PADS BRAIDING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COTTON-WOOL DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION GENERAL PROCESSES OF COMPOUNDING HUMAN NECESSITIES HYGIENE IMPREGNATING OR COATING OF PAPER INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS KNITTING LACE-MAKING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MEDICAL OR VETERINARY SCIENCE METALLURGY NON-WOVEN FABRICS ORGANIC MACROMOLECULAR COMPOUNDS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PROSTHESES PULP COMPOSITIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TREATMENT OR PROTECTION OF EYES OR EARS TRIMMINGS WADDING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP |
| title | VISCOSITY-MODIFIED LACTIDE POLYMER COMPOSITION AND PROCESS FOR MANUFACTURE THEREOF |
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