MANUFACTURING METHOD FOR POLYURETHANE FILM AND POLYURETHANE FILM MANUFACTURED BY THE SAME

• Main Authors: LEE SANG YOOL, SIM HYE JIN, YOON KYUNG JUN
• Format: Patent
• Language: English; Korean
• Published: 24.03.2020
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; 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; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING-UP

The present invention relates to a method for manufacturing a polyurethane film which is thick and excellent in durability while functionality is added. The present invention also relates to a polyurethane film manufactured thereby. The method comprises the following steps: preparing a polyurethane resin composition; preparing a laminate; forming a polyurethane base layer; forming a functional coating layer; and aging the polyurethane base layer. 본 발명은 두꺼운 두께를 가지며 내구성이 우수하며, 기능성이 부가된 폴리 우레탄 필름의 제조 방법 및 이에 의해 제조된 폴리 우레탄 필름에 관한 것이다.