COPOLYMER OF LACTONE AND CARBONATE AND PROCESS FOR THE PREPARATION OF SUCH A COPOLYMER
Copolymère d'au moins une lactone et d'au moins un carbonate cyclique, le carbonate étant polycyclique. Il permet d'obtenir des copolymères réticulés. Les propriétés mécaniques des objets produits à partir de ceux-ci sont sensiblement meilleures que celles des objets produits à partir...
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| creator | PENNINGS, ALBERTUS, JOHANNES GRIJPMA, DIRK, WYBE NIJENHUIS, ATZE, JAN KROEZE, ERIK |
| description | Copolymère d'au moins une lactone et d'au moins un carbonate cyclique, le carbonate étant polycyclique. Il permet d'obtenir des copolymères réticulés. Les propriétés mécaniques des objets produits à partir de ceux-ci sont sensiblement meilleures que celles des objets produits à partir de copolymères non réticulés. Ce matériau est tenace, notamment en ce que sa résistance à la traction est plus élevée, résistant aux chocs, moins cristallin que les copolymères non réticulés, et biodégradable.
PCT No. PCT/NL92/00234 Sec. 371 Date Jun. 17, 1994 Sec. 102(e) Date Jun. 17, 1994 PCT Filed Dec. 21, 1992 PCT Pub. No. WO93/13154 PCT Pub. Date Jul. 8, 1993.A copolymer of a lactone and a polycyclic carbonate is prepared by heating a monomer of a lactone with a polycyclic carbonate having two cyclic structures including a carbonate group at elevated temperatures less than 200 degrees Centigrade in the presence of a catalyst. The described copolymers evidence excellent mechanical properties, good resorption velocity and do not disintegrate upon degradation into materials of high crystallinity. |
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PCT No. PCT/NL92/00234 Sec. 371 Date Jun. 17, 1994 Sec. 102(e) Date Jun. 17, 1994 PCT Filed Dec. 21, 1992 PCT Pub. No. WO93/13154 PCT Pub. Date Jul. 8, 1993.A copolymer of a lactone and a polycyclic carbonate is prepared by heating a monomer of a lactone with a polycyclic carbonate having two cyclic structures including a carbonate group at elevated temperatures less than 200 degrees Centigrade in the presence of a catalyst. The described copolymers evidence excellent mechanical properties, good resorption velocity and do not disintegrate upon degradation into materials of high crystallinity.</description><edition>5</edition><language>eng ; fre ; ger</language><subject>CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR ; HETEROCYCLIC COMPOUNDS ; HUMAN NECESSITIES ; HYGIENE ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES ; MEDICAL OR VETERINARY SCIENCE ; METALLURGY ; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ; ORGANIC CHEMISTRY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>1994</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19941005&DB=EPODOC&CC=EP&NR=0617712A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19941005&DB=EPODOC&CC=EP&NR=0617712A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PENNINGS, ALBERTUS, JOHANNES</creatorcontrib><creatorcontrib>GRIJPMA, DIRK, WYBE</creatorcontrib><creatorcontrib>NIJENHUIS, ATZE, JAN</creatorcontrib><creatorcontrib>KROEZE, ERIK</creatorcontrib><title>COPOLYMER OF LACTONE AND CARBONATE AND PROCESS FOR THE PREPARATION OF SUCH A COPOLYMER</title><description>Copolymère d'au moins une lactone et d'au moins un carbonate cyclique, le carbonate étant polycyclique. Il permet d'obtenir des copolymères réticulés. Les propriétés mécaniques des objets produits à partir de ceux-ci sont sensiblement meilleures que celles des objets produits à partir de copolymères non réticulés. Ce matériau est tenace, notamment en ce que sa résistance à la traction est plus élevée, résistant aux chocs, moins cristallin que les copolymères non réticulés, et biodégradable.
PCT No. PCT/NL92/00234 Sec. 371 Date Jun. 17, 1994 Sec. 102(e) Date Jun. 17, 1994 PCT Filed Dec. 21, 1992 PCT Pub. No. WO93/13154 PCT Pub. Date Jul. 8, 1993.A copolymer of a lactone and a polycyclic carbonate is prepared by heating a monomer of a lactone with a polycyclic carbonate having two cyclic structures including a carbonate group at elevated temperatures less than 200 degrees Centigrade in the presence of a catalyst. The described copolymers evidence excellent mechanical properties, good resorption velocity and do not disintegrate upon degradation into materials of high crystallinity.</description><subject>CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>DISINFECTION, STERILISATION, OR DEODORISATION OF AIR</subject><subject>HETEROCYCLIC COMPOUNDS</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</subject><subject>MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>METALLURGY</subject><subject>METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL</subject><subject>ORGANIC CHEMISTRY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1994</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAhz9g_w94n0dQ1S8HdT8HF0DvH3c1Vw9HNRcHYMcvL3cwyB8AKC_J1dg4MV3PyDFEI8XIF81wDHIMcQT38_kMbgUGcPBUcFuGE8DKxpiTnFqbxQmptBwc01xNlDN7UgPz61uCAxOTUvtSTeNcDAzNDc3NDI0dCYCCUABN4v7g</recordid><startdate>19941005</startdate><enddate>19941005</enddate><creator>PENNINGS, ALBERTUS, JOHANNES</creator><creator>GRIJPMA, DIRK, WYBE</creator><creator>NIJENHUIS, ATZE, JAN</creator><creator>KROEZE, ERIK</creator><scope>EVB</scope></search><sort><creationdate>19941005</creationdate><title>COPOLYMER OF LACTONE AND CARBONATE AND PROCESS FOR THE PREPARATION OF SUCH A COPOLYMER</title><author>PENNINGS, ALBERTUS, JOHANNES ; GRIJPMA, DIRK, WYBE ; NIJENHUIS, ATZE, JAN ; KROEZE, ERIK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0617712A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1994</creationdate><topic>CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>DISINFECTION, STERILISATION, OR DEODORISATION OF AIR</topic><topic>HETEROCYCLIC COMPOUNDS</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</topic><topic>MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>METALLURGY</topic><topic>METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL</topic><topic>ORGANIC CHEMISTRY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>PENNINGS, ALBERTUS, JOHANNES</creatorcontrib><creatorcontrib>GRIJPMA, DIRK, WYBE</creatorcontrib><creatorcontrib>NIJENHUIS, ATZE, JAN</creatorcontrib><creatorcontrib>KROEZE, ERIK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PENNINGS, ALBERTUS, JOHANNES</au><au>GRIJPMA, DIRK, WYBE</au><au>NIJENHUIS, ATZE, JAN</au><au>KROEZE, ERIK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>COPOLYMER OF LACTONE AND CARBONATE AND PROCESS FOR THE PREPARATION OF SUCH A COPOLYMER</title><date>1994-10-05</date><risdate>1994</risdate><abstract>Copolymère d'au moins une lactone et d'au moins un carbonate cyclique, le carbonate étant polycyclique. Il permet d'obtenir des copolymères réticulés. Les propriétés mécaniques des objets produits à partir de ceux-ci sont sensiblement meilleures que celles des objets produits à partir de copolymères non réticulés. Ce matériau est tenace, notamment en ce que sa résistance à la traction est plus élevée, résistant aux chocs, moins cristallin que les copolymères non réticulés, et biodégradable.
PCT No. PCT/NL92/00234 Sec. 371 Date Jun. 17, 1994 Sec. 102(e) Date Jun. 17, 1994 PCT Filed Dec. 21, 1992 PCT Pub. No. WO93/13154 PCT Pub. Date Jul. 8, 1993.A copolymer of a lactone and a polycyclic carbonate is prepared by heating a monomer of a lactone with a polycyclic carbonate having two cyclic structures including a carbonate group at elevated temperatures less than 200 degrees Centigrade in the presence of a catalyst. The described copolymers evidence excellent mechanical properties, good resorption velocity and do not disintegrate upon degradation into materials of high crystallinity.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | COPOLYMER OF LACTONE AND CARBONATE AND PROCESS FOR THE PREPARATION OF SUCH A COPOLYMER |
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