PRODUCTION OF HEAT-RESISTANT POLYESTER FILM
PROBLEM TO BE SOLVED: To produce a polyester film low in the content of a cyclic trimer and an oligomer and having excellent heat resistance and electric insulating properties. SOLUTION: A polyester resin satisfying formula [COOH]/[IV] < 50 is extruded in a molten state to be biaxially stretched...
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| creator | RI EICHIN KIN SHOICHI SOU ITSUTEN |
| description | PROBLEM TO BE SOLVED: To produce a polyester film low in the content of a cyclic trimer and an oligomer and having excellent heat resistance and electric insulating properties. SOLUTION: A polyester resin satisfying formula [COOH]/[IV] < 50 is extruded in a molten state to be biaxially stretched and heat-treated so as to satisfy formula 1.0 |
| format | Patent |
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SOLUTION: A polyester resin satisfying formula [COOH]/[IV] < 50 is extruded in a molten state to be biaxially stretched and heat-treated so as to satisfy formula 1.0<S/D<1.2 to produce a film. In the formulae, [COOH] is the content (meq/10 ) of the terminal carboxyl group in the polyester resin, [IV] is the intrinsic viscosity (dL/g) of the polyester resin, S is the X-ray crystal size (A) of the polyester film and D is the degree of crystallization (%) of the polyester film.</description><edition>6</edition><language>eng</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; GENERAL PROCESSES OF COMPOUNDING ; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES ; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; 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</subject><creationdate>1996</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=19960723&DB=EPODOC&CC=JP&NR=H08187777A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19960723&DB=EPODOC&CC=JP&NR=H08187777A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>RI EICHIN</creatorcontrib><creatorcontrib>KIN SHOICHI</creatorcontrib><creatorcontrib>SOU ITSUTEN</creatorcontrib><title>PRODUCTION OF HEAT-RESISTANT POLYESTER FILM</title><description>PROBLEM TO BE SOLVED: To produce a polyester film low in the content of a cyclic trimer and an oligomer and having excellent heat resistance and electric insulating properties. SOLUTION: A polyester resin satisfying formula [COOH]/[IV] < 50 is extruded in a molten state to be biaxially stretched and heat-treated so as to satisfy formula 1.0<S/D<1.2 to produce a film. In the formulae, [COOH] is the content (meq/10 ) of the terminal carboxyl group in the polyester resin, [IV] is the intrinsic viscosity (dL/g) of the polyester resin, S is the X-ray crystal size (A) of the polyester film and D is the degree of crystallization (%) of the polyester film.</description><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</subject><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>GENERAL PROCESSES OF COMPOUNDING</subject><subject>INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES</subject><subject>INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PERFORMING OPERATIONS</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>TRANSPORTING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><subject>WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1996</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAOCPJ3CXUO8fT3U_B3U_BwdQzRDXIN9gwOcfQLUQjw94l0DQ5xDVJw8_Tx5WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8V4BHgYWhhbmQOBoTIwaAJrCJYU</recordid><startdate>19960723</startdate><enddate>19960723</enddate><creator>RI EICHIN</creator><creator>KIN SHOICHI</creator><creator>SOU ITSUTEN</creator><scope>EVB</scope></search><sort><creationdate>19960723</creationdate><title>PRODUCTION OF HEAT-RESISTANT POLYESTER FILM</title><author>RI EICHIN ; KIN SHOICHI ; SOU ITSUTEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH08187777A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1996</creationdate><topic>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</topic><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>GENERAL PROCESSES OF COMPOUNDING</topic><topic>INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES</topic><topic>INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PERFORMING OPERATIONS</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>TRANSPORTING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><topic>WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>RI EICHIN</creatorcontrib><creatorcontrib>KIN SHOICHI</creatorcontrib><creatorcontrib>SOU ITSUTEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>RI EICHIN</au><au>KIN SHOICHI</au><au>SOU ITSUTEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PRODUCTION OF HEAT-RESISTANT POLYESTER FILM</title><date>1996-07-23</date><risdate>1996</risdate><abstract>PROBLEM TO BE SOLVED: To produce a polyester film low in the content of a cyclic trimer and an oligomer and having excellent heat resistance and electric insulating properties. SOLUTION: A polyester resin satisfying formula [COOH]/[IV] < 50 is extruded in a molten state to be biaxially stretched and heat-treated so as to satisfy formula 1.0<S/D<1.2 to produce a film. In the formulae, [COOH] is the content (meq/10 ) of the terminal carboxyl group in the polyester resin, [IV] is the intrinsic viscosity (dL/g) of the polyester resin, S is the X-ray crystal size (A) of the polyester film and D is the degree of crystallization (%) of the polyester film.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS 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 | PRODUCTION OF HEAT-RESISTANT POLYESTER FILM |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-27T03%3A34%3A36IST&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=RI%20EICHIN&rft.date=1996-07-23&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJPH08187777A%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 |