PROPYLENE POLYMER AND ITS MOLDED ARTICLE, AND PRODUCTION OF PROPYLENE POLYMER

PROPYLENE POLYMER AND ITS MOLDED ARTICLE, AND PRODUCTION OF PROPYLENE POLYMER

PROBLEM TO BE SOLVED: To obtain a propylene polymer that is excellent in low-temperature heat sealability and excellent in transparency and scratch resistance, or the like, and that is suitably used in the field of a packaging film. SOLUTION: A propylene polymer has the properties as given below: (1...

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Hauptverfasser: MINAMI YUTAKA, FUNABASHI HIDEO, KAKIUE KOJI, KANAMARU MASAMI
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Sprache:eng
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CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator MINAMI YUTAKA
FUNABASHI HIDEO
KAKIUE KOJI
KANAMARU MASAMI
description PROBLEM TO BE SOLVED: To obtain a propylene polymer that is excellent in low-temperature heat sealability and excellent in transparency and scratch resistance, or the like, and that is suitably used in the field of a packaging film. SOLUTION: A propylene polymer has the properties as given below: (1) melting point Tm as measured by a differential scanning calorimeter is 110 deg.C
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SOLUTION: A propylene polymer has the properties as given below: (1) melting point Tm as measured by a differential scanning calorimeter is 110 deg.C&lt;=Tm&lt;= 140 deg.C; (2) heat of fusion ΔH (j/g) as measured by the differential scanning calorimeter and the melting point Tm satisfy the relationship: δH&gt;=0.45μTm+22; (3) a half width Th ( deg.C) of a peak top of an elution curve as measured by temperature rising elution fractionation satisfies the relationship: Th&lt;=5; and (4) an intrinsic viscosity [η] (dl/g) as measured in tetralin solvent at 135 deg.C is 0.5-5.</description><edition>7</edition><language>eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>2001</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&amp;date=20010313&amp;DB=EPODOC&amp;CC=JP&amp;NR=2001064322A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20010313&amp;DB=EPODOC&amp;CC=JP&amp;NR=2001064322A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MINAMI YUTAKA</creatorcontrib><creatorcontrib>FUNABASHI HIDEO</creatorcontrib><creatorcontrib>KAKIUE KOJI</creatorcontrib><creatorcontrib>KANAMARU MASAMI</creatorcontrib><title>PROPYLENE POLYMER AND ITS MOLDED ARTICLE, AND PRODUCTION OF PROPYLENE POLYMER</title><description>PROBLEM TO BE SOLVED: To obtain a propylene polymer that is excellent in low-temperature heat sealability and excellent in transparency and scratch resistance, or the like, and that is suitably used in the field of a packaging film. 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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title PROPYLENE POLYMER AND ITS MOLDED ARTICLE, AND PRODUCTION OF PROPYLENE POLYMER
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