HIGHLY VISCOUS, LARGELY AMORPHOUS POLYOLEFIN
The invention relates to a polyolefin containing the following monomer units: a) a maximum of 25 wt. % of units derived from ethene, b) a maximum of 75 wt. % of units derived from propene, and c) between 5 and 100 wt. % of units derived from an a-olefin containing between 4 and 20 C atoms. The inven...
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creator | ZAGEFKA, HANS-DIETER DERKS, JUERGEN VORNHOLT, MARION WEY, HANS GUENTHER STOJETZKI, THOMAS VEY, MARLIES BECKER, HINNERK, GORDON KILIAN, WOLFGANG |
description | The invention relates to a polyolefin containing the following monomer units: a) a maximum of 25 wt. % of units derived from ethene, b) a maximum of 75 wt. % of units derived from propene, and c) between 5 and 100 wt. % of units derived from an a-olefin containing between 4 and 20 C atoms. The inventive polyolefin has the following parameters: d) a weight-average molecular weight of between 70,000 and 10,000,000 g/mol, e) a polydispersity of between 4 and 60, f) a melting viscosity, measured by oscillation rheometry with a shearing speed of 1 Hz at 190 °C, of between 100,000 and 100,000,000 mPa s, g) a needle penetration of between 3 and 70 0.1 mm, h) a melting enthalpy of between 2 and 100 J/g, i) a glass transition temperature Tg of between -15 °C and -80 °C, and j) an end of the crystalline part melting range at between 85 and 175 °C. The inventive polyolefin is compatible both with ethylene polymers and propylene polymers, and is suitable for using in films, sealing strips, and moulded parts. |
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The inventive polyolefin has the following parameters: d) a weight-average molecular weight of between 70,000 and 10,000,000 g/mol, e) a polydispersity of between 4 and 60, f) a melting viscosity, measured by oscillation rheometry with a shearing speed of 1 Hz at 190 °C, of between 100,000 and 100,000,000 mPa s, g) a needle penetration of between 3 and 70 0.1 mm, h) a melting enthalpy of between 2 and 100 J/g, i) a glass transition temperature Tg of between -15 °C and -80 °C, and j) an end of the crystalline part melting range at between 85 and 175 °C. The inventive polyolefin is compatible both with ethylene polymers and propylene polymers, and is suitable for using in films, sealing strips, and moulded parts.</description><language>eng ; fre ; ger</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; GENERAL PROCESSES OF COMPOUNDING ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; WORKING-UP</subject><creationdate>2008</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=20081119&DB=EPODOC&CC=EP&NR=1871814B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20081119&DB=EPODOC&CC=EP&NR=1871814B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZAGEFKA, HANS-DIETER</creatorcontrib><creatorcontrib>DERKS, JUERGEN</creatorcontrib><creatorcontrib>VORNHOLT, MARION</creatorcontrib><creatorcontrib>WEY, HANS GUENTHER</creatorcontrib><creatorcontrib>STOJETZKI, THOMAS</creatorcontrib><creatorcontrib>VEY, MARLIES</creatorcontrib><creatorcontrib>BECKER, HINNERK, GORDON</creatorcontrib><creatorcontrib>KILIAN, WOLFGANG</creatorcontrib><title>HIGHLY VISCOUS, LARGELY AMORPHOUS POLYOLEFIN</title><description>The invention relates to a polyolefin containing the following monomer units: a) a maximum of 25 wt. % of units derived from ethene, b) a maximum of 75 wt. % of units derived from propene, and c) between 5 and 100 wt. % of units derived from an a-olefin containing between 4 and 20 C atoms. The inventive polyolefin has the following parameters: d) a weight-average molecular weight of between 70,000 and 10,000,000 g/mol, e) a polydispersity of between 4 and 60, f) a melting viscosity, measured by oscillation rheometry with a shearing speed of 1 Hz at 190 °C, of between 100,000 and 100,000,000 mPa s, g) a needle penetration of between 3 and 70 0.1 mm, h) a melting enthalpy of between 2 and 100 J/g, i) a glass transition temperature Tg of between -15 °C and -80 °C, and j) an end of the crystalline part melting range at between 85 and 175 °C. 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The inventive polyolefin has the following parameters: d) a weight-average molecular weight of between 70,000 and 10,000,000 g/mol, e) a polydispersity of between 4 and 60, f) a melting viscosity, measured by oscillation rheometry with a shearing speed of 1 Hz at 190 °C, of between 100,000 and 100,000,000 mPa s, g) a needle penetration of between 3 and 70 0.1 mm, h) a melting enthalpy of between 2 and 100 J/g, i) a glass transition temperature Tg of between -15 °C and -80 °C, and j) an end of the crystalline part melting range at between 85 and 175 °C. The inventive polyolefin is compatible both with ethylene polymers and propylene polymers, and is suitable for using in films, sealing strips, and moulded parts.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP |
title | HIGHLY VISCOUS, LARGELY AMORPHOUS POLYOLEFIN |
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