발포성 케이블 절연재용 핵제

• Main Authors: ESSEGHIR MOHAMED, SUN GANGWEI, GONG YONGHUA
• Format: Patent
• Language: Korean
• Published: 22.05.2019
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; BASIC ELECTRIC ELEMENTS; CABLES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CONDUCTORS; ELECTRICITY; GENERAL PROCESSES OF COMPOUNDING; INSULATORS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

발포성 조성물은, 조성물의 중량을 기준으로 한 중량%로, (A)　45 내지 95 중량%의 HDPE, (B)　4 내지 54 중량%의 LDPE, 및 (C)　0.01 내지 2 중량%의 핵제를 포함하되, 상기 핵제는 핵제의 중량을 기준으로 한 중량%로, (1)　20 내지 80 중량%의 불소 수지, 예를 들어 PTFE, 및 (2)　80 내지 20 중량%의 팽창성 고분자 미소구체를 포함한다. A foamable composition comprises in weight percent based on the weight of the composition: (A) 45 to 95 wt % HDPE, (B) 4 to 54 wt % LDPE, and (C) 0.01 to 2 wt % of a nucleating agent comprising in weight percent based on the weight of the nucleating agent: (1) 20 to 80 wt % of fluororesin, e.g., PTFE, and (2) 80 to 20 wt % of expandable polymeric microspheres.