Soft Polyolefin Resin Composition for Power Cables with Excellent Insulation Characteristics and Article Molded Therefrom

• Main Authors: LEE EUNWOONG, CHUN YONGSUNG, CHOI JOONHYEONG
• Format: Patent
• Language: English; Korean
• Published: 21.03.2023
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

The present invention relates to a flexible polyolefin resin composition suitable for use in power cables due to its excellent insulating properties, and a molded article manufactured therefrom. The polyolefin resin composition according to the embodiment of the present invention not only has excellent insulation properties, but also has excellent heat resistance, withstand voltage properties, space charge control ability, and mechanical properties. Therefore, the polyolefin resin molded article manufactured from the same can be effectively used as an insulating layer for high-voltage and ultra-high-voltage power cables. 본 발명은 절연 특성이 우수하여 전력 케이블에 사용되기에 적합한 연질 폴리올레핀 수지 조성물 및 그로부터 제조된 성형품에 관한 것이다. 본 발명의 구체예에 따른 폴리올레핀 수지 조성물은 절연 특성이 우수할 뿐만 아니라, 내열성, 내전압 특성, 공간 전하 제어 능력 및 기계적 물성이 우수하다. 따라서, 이로부터 제조되는 폴리올레핀 수지 성형품은 고압 및 초고압의 전력 케이블의 절연층으로 효과적으로 사용될 수 있다.