RESIN MOLDED PRODUCT LAMINATE AND DECORATIVE SHEET

• Main Authors: MATSUMOTO YUICHI, OOKUBO TORU, SHIBAYAMA NAOYUKI, NAGASHIMA MAMI, YAMAGUCHI ERIKA
• Format: Patent
• Language: English; Korean
• Published: 17.03.2023
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; 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; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

내후성이 우수한 수지 성형체, 적층체 및 화장 시트를 제공한다. 화장 시트(1)는 보호층(3)으로서의 수지 성형체를 갖고, 이 수지 성형체는, 광을 조사하였을 때의 pKa가 -5.5 이상 -4.5 이하인 자외선 흡수제와, pKa가 3.0 이상 7.0 이하인 광 안정제를 함유하고 있다. 자외선 흡수제 및 광 안정제의 함유량은, 수지 성형체 100질량부당 각각 3.0질량부 이하이다. A resin molded product, a laminate, and a decorative sheet having high weatherability are provided. A decorative sheet (1) includes a resin molded product as a protective layer (3), and the resin molded product includes an ultraviolet absorber having pKa of -5.5 or more and -4.5 or less when irradiated with light, and a photostabilizer having pKa of 3.0 or more and 7.0 or less. The added amount of each of the ultraviolet absorber and the photostabilizer is 3.0 parts by mass or less per 100 parts by mass of the resin molded product.