POLYESTER SHEET

The present invention provides a polyester sheet which maintains superior mechanical strength, dimensional stability, and durability which are originally possessed by polyester, and has light reflection performance better than that of conventional polyester sheets. The present invention pertains to...

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Bibliographische Detailangaben
Hauptverfasser:	SASAKI TOYOAKI, YOSHIDA KENKICHI, TANAKA MASAKAZU, OKAMOTO MASAHIKO, TSUGANE YASUHITO, TAKAMINE KENJIRO, TADA TAKANORI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF GENERAL PROCESSES OF COMPOUNDING HEATING LIGHTING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MECHANICAL ENGINEERING METALLURGY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention provides a polyester sheet which maintains superior mechanical strength, dimensional stability, and durability which are originally possessed by polyester, and has light reflection performance better than that of conventional polyester sheets. The present invention pertains to a polyester sheet containing a polyester (A), a 4-methyl-1-pentene-based polymer (B) having a specific fusion heat quantity and a meso diad fraction (m) of 98.5-100%, and a compatibilizing agent (C), wherein the content proportions of (A), (B), and (C) to a total of 100 parts by mass of (A), (B), and (C) are (A): 60-98.9 parts by mass, (B): 1-25 parts by mass, and (C): 0.1-15 parts by mass, and (B) satisfies requirements (a)-(d). (a): The 4-methyl-1-pentene-derived structural unit accounts for 100-90 mol%, and the total of a structural unit derived from at least one type of an [alpha]-olefin selected from ethylene and [alpha]-olefins having 3-20 carbon atoms (excluding 4-methyl-1-pentene) is0-10 mol%. (b): The melt