COPOLYESTER RESIN AND POLYESTER FILM FOR COVERING METAL PLATES AND LAMINATED POLYESTER FILM COMPRISING SAME MADE INTO FILM
Provided is a polyester resin having good film formability together with resisting film breakage (hair) and scraping (galling) in the drawing and ironing steps when applied to a polyester film for covering metal plates, and, as a film for the inner surfaces of metal cans, resisting corrosion of meta...
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| creator | MATSUMURA, Junji KATSUMA, Keita TAKEUCHI, Yuji OKIMOTO, Masaya TOMURA, Hideaki KIMIDUKA, Takashi NAKATSUKA, Sadamu |
| description | Provided is a polyester resin having good film formability together with resisting film breakage (hair) and scraping (galling) in the drawing and ironing steps when applied to a polyester film for covering metal plates, and, as a film for the inner surfaces of metal cans, resisting corrosion of metal cans without damage to the film surface even if dropped or subjected to external shock (dented) after a product has been made by sealing contents inside a can. A copolyester resin characterized in including, as constituent units: 50-93 mass% of an ester oligomer (A) having a number-average molecular weight of 700 or lower, the ester oligomer (A) comprising a dicarboxylic acid unit (a1) containing 70 mol% or more of a terephthalic acid component and a diol unit (a2) containing 70 mol% or more of an ethylene glycol component; and 7-50 mass% of a polyester polyol (B) having a number-average molecular weight of 1500-3000, the polyester polyol (B) comprising a hydrogenated dimer acid unit (b1) and a 1,4-butanediol unit (b2). |
| format | Patent |
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A copolyester resin characterized in including, as constituent units: 50-93 mass% of an ester oligomer (A) having a number-average molecular weight of 700 or lower, the ester oligomer (A) comprising a dicarboxylic acid unit (a1) containing 70 mol% or more of a terephthalic acid component and a diol unit (a2) containing 70 mol% or more of an ethylene glycol component; and 7-50 mass% of a polyester polyol (B) having a number-average molecular weight of 1500-3000, the polyester polyol (B) comprising a hydrogenated dimer acid unit (b1) and a 1,4-butanediol unit (b2).</description><language>eng ; fre ; ger</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING</subject><creationdate>2017</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=20170301&DB=EPODOC&CC=EP&NR=3018161A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170301&DB=EPODOC&CC=EP&NR=3018161A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MATSUMURA, Junji</creatorcontrib><creatorcontrib>KATSUMA, Keita</creatorcontrib><creatorcontrib>TAKEUCHI, Yuji</creatorcontrib><creatorcontrib>OKIMOTO, Masaya</creatorcontrib><creatorcontrib>TOMURA, Hideaki</creatorcontrib><creatorcontrib>KIMIDUKA, Takashi</creatorcontrib><creatorcontrib>NAKATSUKA, Sadamu</creatorcontrib><title>COPOLYESTER RESIN AND POLYESTER FILM FOR COVERING METAL PLATES AND LAMINATED POLYESTER FILM COMPRISING SAME MADE INTO FILM</title><description>Provided is a polyester resin having good film formability together with resisting film breakage (hair) and scraping (galling) in the drawing and ironing steps when applied to a polyester film for covering metal plates, and, as a film for the inner surfaces of metal cans, resisting corrosion of metal cans without damage to the film surface even if dropped or subjected to external shock (dented) after a product has been made by sealing contents inside a can. 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A copolyester resin characterized in including, as constituent units: 50-93 mass% of an ester oligomer (A) having a number-average molecular weight of 700 or lower, the ester oligomer (A) comprising a dicarboxylic acid unit (a1) containing 70 mol% or more of a terephthalic acid component and a diol unit (a2) containing 70 mol% or more of an ethylene glycol component; and 7-50 mass% of a polyester polyol (B) having a number-average molecular weight of 1500-3000, the polyester polyol (B) comprising a hydrogenated dimer acid unit (b1) and a 1,4-butanediol unit (b2).</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING |
| title | COPOLYESTER RESIN AND POLYESTER FILM FOR COVERING METAL PLATES AND LAMINATED POLYESTER FILM COMPRISING SAME MADE INTO FILM |
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