MANUFACTURING METHOD FOR MOLDED PRODUCT HAVING SURFACE WITH SUPPRESSED GLOSS

• Main Authors: SUZUKI TAKESHI, NAM PHAM HOAI
• Format: Patent
• Language: English; Japanese
• Published: 28.01.2021
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

To provide a manufacturing method capable of producing a molded product having a matte surface in which surface gloss is suppressed while being able to exhibit excellent releasability over a long period of time.SOLUTION: In a method of manufacturing a molded product made of a polymer material using a mold in which a coating film made of a fluororesin coating composition is formed on a surface of the mold, the coating film contains a dispersion element made of oil and a filler with an average particle size of 300 nm or less.SELECTED DRAWING: None 【課題】長期にわたって優れた離型性を発現可能であると共に、表面光沢が抑制されたマットな表面を有する成形品を製造可能な製造方法を提供する。【解決手段】金型表面にフッ素樹脂塗料組成物から成る塗膜が形成された金型を用いて高分子材料から成る成形品を製造する方法において、前記塗膜がオイルから成る分散体と平均粒径が３００ｎｍ以下の充填材を含有することを特徴とする。【選択図】なし