High transparent polyester film

• Main Authors: WON JONG SUN, KIM JI HEON, JEON YONG HYUN
• Format: Patent
• Language: English; Korean
• Published: 24.09.2021
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; 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

The present invention relates to a high transparent polyester film having a three-layered structure, in which at least one of skin layers comprises alumina fine particles having α-crystalline phases and silicon dioxide particles, and in particular, to a high transparent polyester film for windows. 본 발명은 스킨층 중 적어도 하나의 층은 α-결정상을 갖는 알루미나 미립자 및 이산화규소 입자를 포함하는 것을 특징으로 하는 3층 구조의 고투명 폴리에스테르 필름에 관한 것으로, 특히 윈도우용 고투명 폴리에스텔 필름에 관한 것이다.