METHOD FOR PRODUCING RESIN FILM

• Main Authors: NODONO MITSUNORI, NAKATANI AKIHIKO
• Format: Patent
• Language: English; Korean
• Published: 02.01.2020
• Subjects: 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; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; 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

The present invention relates to a production method of a resin film, which adds improvement in a drying process of the resin film, in order to prevent small scratches of the resin film. In the drying process after peeling the resin film obtained by applying a resin varnish on a support body from the support body, the tension applied per the unit width of the resin film is 82 N/m or less. [과제] 본 발명은, 수지 필름의 작은 흠집을 방지하기 위하여, 수지 필름의 건조 공정에 있어서, 개량을 추가하는 것을 목적으로 한다. [해결 수단] 본 발명은, 지지체 상에 수지 바니시를 도포함으로써 얻어진 수지 필름을 지지체로부터 박리한 후에 건조시키는 공정에 있어서, 상기 수지 필름의 단위폭당 걸리는 장력이 82 N/m 이하인 것을 특징으로 하는 수지 필름의 제조 방법을 제공한다.