MANUFACTURE OF LAMINATING ORIENTED FILM
PURPOSE:To enhance heat resistance and gas barrier characteristics by biaxially orientating a raw fabric constituted of at least five layers consisting of a polyester layer/a bonding resin layer/ an ethylene-vinyl alcohol copolymer layer/a bonding resin layer/ a polyester layer and then heat treatin...
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| creator | TANAKA NOBUO KAWAI SHUJI YASUZAWA HARUYOSHI OOBITSU YUKIO HIROFUJI SATOSHI |
| description | PURPOSE:To enhance heat resistance and gas barrier characteristics by biaxially orientating a raw fabric constituted of at least five layers consisting of a polyester layer/a bonding resin layer/ an ethylene-vinyl alcohol copolymer layer/a bonding resin layer/ a polyester layer and then heat treating under given conditions. CONSTITUTION:A raw fabric constituted of at least five layers consisting of a polyester layer/a bonding resin layer/an EVOH layer/a bonding resin layer/a polyester layer is biaxially oriented. It is important that the thickness constitution over the polyester layer and the EVOH layer should satisfy the Formula I. It is also important that the heat treatment temperature should satisfy the Formula II and the heat treatment time should satisfy the Formula III. A good laminated extensible film is manufactured by making the thickness of the EVOH layer at the time of heat treatment as 2-20 mu. Saturated polyester which can be oriented biaxially can be used as the polyester resin to be utilized and polyethylene terephthalate is most suitable. Also, the melting point of the bonding resin should be lower than that of the EVOH, and should preferably be higher than the room temperature. |
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CONSTITUTION:A raw fabric constituted of at least five layers consisting of a polyester layer/a bonding resin layer/an EVOH layer/a bonding resin layer/a polyester layer is biaxially oriented. It is important that the thickness constitution over the polyester layer and the EVOH layer should satisfy the Formula I. It is also important that the heat treatment temperature should satisfy the Formula II and the heat treatment time should satisfy the Formula III. A good laminated extensible film is manufactured by making the thickness of the EVOH layer at the time of heat treatment as 2-20 mu. Saturated polyester which can be oriented biaxially can be used as the polyester resin to be utilized and polyethylene terephthalate is most suitable. Also, the melting point of the bonding resin should be lower than that of the EVOH, and should preferably be higher than the room temperature.</description><language>eng</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES ; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; PERFORMING OPERATIONS ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>1988</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=19881110&DB=EPODOC&CC=JP&NR=S63272548A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19881110&DB=EPODOC&CC=JP&NR=S63272548A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TANAKA NOBUO</creatorcontrib><creatorcontrib>KAWAI SHUJI</creatorcontrib><creatorcontrib>YASUZAWA HARUYOSHI</creatorcontrib><creatorcontrib>OOBITSU YUKIO</creatorcontrib><creatorcontrib>HIROFUJI SATOSHI</creatorcontrib><title>MANUFACTURE OF LAMINATING ORIENTED FILM</title><description>PURPOSE:To enhance heat resistance and gas barrier characteristics by biaxially orientating a raw fabric constituted of at least five layers consisting of a polyester layer/a bonding resin layer/ an ethylene-vinyl alcohol copolymer layer/a bonding resin layer/ a polyester layer and then heat treating under given conditions. CONSTITUTION:A raw fabric constituted of at least five layers consisting of a polyester layer/a bonding resin layer/an EVOH layer/a bonding resin layer/a polyester layer is biaxially oriented. It is important that the thickness constitution over the polyester layer and the EVOH layer should satisfy the Formula I. It is also important that the heat treatment temperature should satisfy the Formula II and the heat treatment time should satisfy the Formula III. A good laminated extensible film is manufactured by making the thickness of the EVOH layer at the time of heat treatment as 2-20 mu. Saturated polyester which can be oriented biaxially can be used as the polyester resin to be utilized and polyethylene terephthalate is most suitable. 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CONSTITUTION:A raw fabric constituted of at least five layers consisting of a polyester layer/a bonding resin layer/an EVOH layer/a bonding resin layer/a polyester layer is biaxially oriented. It is important that the thickness constitution over the polyester layer and the EVOH layer should satisfy the Formula I. It is also important that the heat treatment temperature should satisfy the Formula II and the heat treatment time should satisfy the Formula III. A good laminated extensible film is manufactured by making the thickness of the EVOH layer at the time of heat treatment as 2-20 mu. Saturated polyester which can be oriented biaxially can be used as the polyester resin to be utilized and polyethylene terephthalate is most suitable. Also, the melting point of the bonding resin should be lower than that of the EVOH, and should preferably be higher than the room temperature.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | MANUFACTURE OF LAMINATING ORIENTED FILM |
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