Polypropylene Resin Composition and Article Molded Therefrom

• Main Authors: CHUN YONGSUNG, LEE HOHYUN, LIM SEUNGHOON
• Format: Patent
• Language: English; Korean
• Published: 08.03.2023
• 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; 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; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

The present invention relates to a polypropylene resin composition and molded articles manufactured therefrom, and specifically, to a polypropylene resin composition, which contains an ethylene-propylene block copolymer resin, a polypropylene resin composition having excellent processability, heat resistance and rigidity, and molded articles manufactured therefrom by an extrusion coating method. The polypropylene resin composition according to an embodiment of the present invention is suitable for extrusion molding due to excellent processability thereof, and can be effectively used as a core layer for a cell pouch because of excellent heat resistance and rigidity. 본 발명은 폴리프로필렌 수지 조성물 및 이로부터 제조된 성형품에 관한 것이다. 상세하게는, 본 발명은 에틸렌-프로필렌 블록 공중합체 수지를 포함하며, 가공성, 내열성 및 강성이 우수한 폴리프로필렌 수지 조성물 및 이로부터 압출 코팅 방식에 의해 제조되는 성형품에 관한 것이다. 본 발명의 구현예에 따른 폴리프로필렌 수지 조성물은 가공성이 우수하여 압출 성형에 적합하며, 내열성 및 강성이 우수하므로 셀 파우치용 코어층으로 효과적으로 사용될 수 있다.