MICROPOROUS MEMBRANE AND PRODUCTION METHOD THEREFOR
Provided is a microporous membrane made of a polypropylene-based resin and having high porosity, being useful as a battery separator. The microporous membrane is composed of a polypropylene-based polymer in which a melt mass flow rate (MFR) measured at 230° C. and a load of 21.18 N in accordance wit...
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| creator | HONDA Kouichi MAEHARA Hiroyuki YAMAMOTO Yasuhiro |
| description | Provided is a microporous membrane made of a polypropylene-based resin and having high porosity, being useful as a battery separator. The microporous membrane is composed of a polypropylene-based polymer in which a melt mass flow rate (MFR) measured at 230° C. and a load of 21.18 N in accordance with JIS K6758 is 1.0 g/10 min or less, and has porosity of 50% or more. Provided is also a method for producing the same. |
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The microporous membrane is composed of a polypropylene-based polymer in which a melt mass flow rate (MFR) measured at 230° C. and a load of 21.18 N in accordance with JIS K6758 is 1.0 g/10 min or less, and has porosity of 50% or more. 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The microporous membrane is composed of a polypropylene-based polymer in which a melt mass flow rate (MFR) measured at 230° C. and a load of 21.18 N in accordance with JIS K6758 is 1.0 g/10 min or less, and has porosity of 50% or more. Provided is also a method for producing the same.</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 BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE CHEMISTRY COMPOSITIONS BASED THEREON ELECTRICITY GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP |
| title | MICROPOROUS MEMBRANE AND PRODUCTION METHOD THEREFOR |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-09T07%3A33%3A28IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=HONDA%20Kouichi&rft.date=2018-01-25&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EUS2018022004A1%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |