POLYESTER-BASED FILM AND PRODUCTION METHOD THEREFOR

One embodiment relates to: a polyester-based film which comprises a filler and a copolymerized polyester-based resin formed by copolymerizing a diol and a dicarboxylic acid, and which has a Rd, according to formula 1 for centerline average roughness (Ra) and maximum height roughness (Rmax), of at mo...

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Bibliographische Detailangaben
Hauptverfasser:	HEO, Young Min, YEON, Jewon, LIM, Byeong Jae
Format:	Patent
Sprache:	eng ; fre ; kor
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS 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 USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	One embodiment relates to: a polyester-based film which comprises a filler and a copolymerized polyester-based resin formed by copolymerizing a diol and a dicarboxylic acid, and which has a Rd, according to formula 1 for centerline average roughness (Ra) and maximum height roughness (Rmax), of at most 2.5; and a production method therefor. The polyester-based film comprises a specific filler, and thus the surface roughness of the polyester-based film may be controlled, and accordingly, processability, including winding and running performance, is improved, and also, mechanical and optical properties are improved, and thus the polyester-based film has excellent quality. Un mode de réalisation concerne : un film à base de polyester qui comprend une charge et une résine à base de polyester copolymérisée formée par copolymérisation d'un diol et d'un acide dicarboxylique et qui a un Rd, selon la formule 1 pour la rugosité arithmétique moyenne (Ra) et la rugosité maximale (Rmax), d'au maximum 2,5 ; et un procédé de production s'y rapportant. Le film à base de polyester comprend une charge spécifique et ainsi la rugosité de surface du film à base de polyester peut être réglée et par conséquent, l'aptitude au traitement, notamment les performances d'enroulement et d'avancée, est améliorée et de plus, les propriétés mécaniques et optiques sont améliorées et ainsi le film à base de polyester a une excellente qualité. 구현예는 디올 및 디카르복실산이 공중합된 공중합 폴리에스테르계 수지와 필러를 포함하고, 최대 높이 거칠기(Rmax) 및 중심선 평균 거칠기(Ra)에 대한 식 1에 따른 Rd가 2.5 이하인 폴리에스테르계 필름 및 이의 제조 방법에 관한 것으로서, 상기 폴리에스테르계 필름은 특정 필러를 포함함으로써, 폴리에스테르계 필름의 표면조도를 제어할 수 있고, 이로 인해 권취 및 주행 성능과 같은 공정성을 향상시킬 뿐만 아니라, 기계적 물성 및 광학적 특성을 향상시켜 우수한 품질을 갖는다.