MATTING POLYMER COMPOSITION HAVING EXCELLENT WEATHER RESISTANCE AND IMPACT RESISTANCE, AND MATTE SHEET COMPRISING THE SAME

• Main Authors: HA DOO HAN, HA SUNG WOOK, KIM SOO WAN
• Format: Patent
• Language: English; Japanese
• Published: 15.03.2023
• 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; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING-UP

To provide a matting polymer composition including a matting agent excellent in a matting effect and to provide a matte multilayer sheet which is laminated on a base layer by co-extruding the composition thereof.SOLUTION: There is provided a matting polymer composition comprising: an acrylate-styrene-acrylonitrile graft copolymer; two kinds of styrene-acrylonitrile copolymers having different acrylonitrile contents; and a matting agent.EFFECT: A molded article manufactured by extruding or injecting the matting polymer composition according to the present invention has excellent mechanical properties such as weather resistance and impact resistance and can exhibit both a matting effect and a high-quality surface appearance. A matte multilayer sheet can be manufactured using the matting polymer composition of the present invention, and can be applied to various fields such as those of exterior building materials, interior materials and household appliances.SELECTED DRAWING: Figure 1 【課題】消光効果に優れた消光剤を含む消光性高分子組成物を提供すること、およびその組成物を共押出して基材層上に積層した無光沢多層シートを提供することである。【解決手段】アクリレート－スチレン－アクリロニトリルグラフト共重合体と、アクリロニトリルの含量が異なる２種のスチレン－アクリロニトリル共重合体と、消光剤とを含む、消光性高分子組成物を提供する。【効果】本発明による消光性高分子組成物を押出、射出加工して製造した成形品は、優れた耐候性と衝撃強度などの機械的物性を有し、且つ優れた消光効果と高品質の表面外観を示すことができる。また、本発明の消光性高分子組成物を用いて無光沢多層シートを製造することができ、これを建築用外装材用、インテリアー用および家電製品用などの様々な分野に適用することができる。【選択図】図１