POLYMER SHEET AND METHOD FOR PRODUCING SAME

A polymer sheet according to the present invention is a polymer sheet whose main component is oriented nanocrystals of a polymer, and which satisfies the following conditions (I), (II), and (III): (I) having a crystallinity of not less than 70 %; (II) having a tensile strength at break of not less t...

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Bibliographische Detailangaben
Hauptverfasser:	WASHIYAMA, JUNICHIRO, OTSUBO, AKIHIRO, HIKOSAKA, MASAMICHI, OKADA, KIYOKA, WATANABE, KAORI, KIMURA, HIDEHARU, YAMADA, KOJI, NAKAJIMA, TAKESHI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 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
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Beschreibung
Zusammenfassung:	A polymer sheet according to the present invention is a polymer sheet whose main component is oriented nanocrystals of a polymer, and which satisfies the following conditions (I), (II), and (III): (I) having a crystallinity of not less than 70 %; (II) having a tensile strength at break of not less than 100 MPa and a tensile modulus of not less than 3 GPa; and (III) having an average thickness of not less than 0.15 mm. According to the present invention, it is possible to provide a polymer sheet excelling in properties such as mechanical strength, heat tolerance, and haze (transparency), particularly a polymer sheet having excellent properties such as mechanical strength, heat tolerance, and haze (transparency) in general-purpose plastics such as polypropylene.