POROUS FILM MADE OF POLYETHYLENE RESIN AND ITS PRODUCTION
PROBLEM TO BE SOLVED: To prepare the subject film having a suitable strength as a battery separator and high thermal property by including a specific aliphatic hydrocarbon. SOLUTION: This film is mainly composed of (A) a polyethylene resin having 30×10 -100×10 viscosity-average molecular weight and...
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| creator | MOCHIZUKI TATSUYA NAKADA MAMORU WATANABE TAKASHI FUJII TOSHIO USAMI YASUSHI NONOBE YASUHEI |
| description | PROBLEM TO BE SOLVED: To prepare the subject film having a suitable strength as a battery separator and high thermal property by including a specific aliphatic hydrocarbon. SOLUTION: This film is mainly composed of (A) a polyethylene resin having 30×10 -100×10 viscosity-average molecular weight and contains (B) 3-20wt.% of an aliphatic hydrocarbon (e.g. synthetic waxhaving =400g/25μm pinsticking strength, an excellent shut down property at 160 deg.C and |
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The film is obtained by molding a composition containing the component A, the component B and (C) a plasticizer to a film state and removing the component C by extraction, then drawing.</description><edition>6</edition><language>eng</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMISTRY ; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT ; COMPOSITIONS BASED THEREON ; GENERAL PROCESSES OF COMPOUNDING ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL ; WORKING-UP</subject><creationdate>1998</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=19980120&DB=EPODOC&CC=JP&NR=H1017702A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19980120&DB=EPODOC&CC=JP&NR=H1017702A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MOCHIZUKI TATSUYA</creatorcontrib><creatorcontrib>NAKADA MAMORU</creatorcontrib><creatorcontrib>WATANABE TAKASHI</creatorcontrib><creatorcontrib>FUJII TOSHIO</creatorcontrib><creatorcontrib>USAMI YASUSHI</creatorcontrib><creatorcontrib>NONOBE YASUHEI</creatorcontrib><title>POROUS FILM MADE OF POLYETHYLENE RESIN AND ITS PRODUCTION</title><description>PROBLEM TO BE SOLVED: To prepare the subject film having a suitable strength as a battery separator and high thermal property by including a specific aliphatic hydrocarbon. 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SOLUTION: This film is mainly composed of (A) a polyethylene resin having 30×10 -100×10 viscosity-average molecular weight and contains (B) 3-20wt.% of an aliphatic hydrocarbon (e.g. synthetic waxhaving <=3,000 weight-average molecular weight and 90-120 deg.C softening point. Preferably, the film has >=400g/25μm pinsticking strength, an excellent shut down property at 160 deg.C and <135 deg.C close-beginning temperature (a temperature at which a porous structure begins to vanish). The film is obtained by molding a composition containing the component A, the component B and (C) a plasticizer to a film state and removing the component C by extraction, then drawing.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP |
| title | POROUS FILM MADE OF POLYETHYLENE RESIN AND ITS PRODUCTION |
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