LAMINATED POLYESTER FILM
PROBLEM TO BE SOLVED: To provide a laminated polyester film excellent in blocking resistance, flatness, winding properties and processability and excellent in electromagnetic conversion characteristics when used in a metal vapor deposition type magnetic recording medium. SOLUTION: In the laminated f...
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| creator | MUROOKA HIROBUMI KOSUGE MASAHIKO |
| description | PROBLEM TO BE SOLVED: To provide a laminated polyester film excellent in blocking resistance, flatness, winding properties and processability and excellent in electromagnetic conversion characteristics when used in a metal vapor deposition type magnetic recording medium. SOLUTION: In the laminated film wherein a polyester layer A, a polyester layer B and a coating layer C are laminated in this order, the polyester layer B contains 0.001-1 wt.% of inert particles with a mean particle size of 50-1,000 nm and the polyester layer A contains no inert particles or contains inert particles A having a mean particle size smaller than the mean particle size of the inert particles contained in the polyester layer B and the coating layer C contains 1-40 wt. % of a cellulose compound wherein the viscosity of a 3 wt.% aqueous solution at 20 deg.C is 10-1,000 Pa/s. |
| format | Patent |
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SOLUTION: In the laminated film wherein a polyester layer A, a polyester layer B and a coating layer C are laminated in this order, the polyester layer B contains 0.001-1 wt.% of inert particles with a mean particle size of 50-1,000 nm and the polyester layer A contains no inert particles or contains inert particles A having a mean particle size smaller than the mean particle size of the inert particles contained in the polyester layer B and the coating layer C contains 1-40 wt. % of a cellulose compound wherein the viscosity of a 3 wt.% aqueous solution at 20 deg.C is 10-1,000 Pa/s.</description><edition>7</edition><language>eng</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; GENERAL PROCESSES OF COMPOUNDING ; INFORMATION STORAGE ; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; PHYSICS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; WORKING-UP</subject><creationdate>2003</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=20030514&DB=EPODOC&CC=JP&NR=2003136656A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20030514&DB=EPODOC&CC=JP&NR=2003136656A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MUROOKA HIROBUMI</creatorcontrib><creatorcontrib>KOSUGE MASAHIKO</creatorcontrib><title>LAMINATED POLYESTER FILM</title><description>PROBLEM TO BE SOLVED: To provide a laminated polyester film excellent in blocking resistance, flatness, winding properties and processability and excellent in electromagnetic conversion characteristics when used in a metal vapor deposition type magnetic recording medium. 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SOLUTION: In the laminated film wherein a polyester layer A, a polyester layer B and a coating layer C are laminated in this order, the polyester layer B contains 0.001-1 wt.% of inert particles with a mean particle size of 50-1,000 nm and the polyester layer A contains no inert particles or contains inert particles A having a mean particle size smaller than the mean particle size of the inert particles contained in the polyester layer B and the coating layer C contains 1-40 wt. % of a cellulose compound wherein the viscosity of a 3 wt.% aqueous solution at 20 deg.C is 10-1,000 Pa/s.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP |
| title | LAMINATED POLYESTER FILM |
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