COMPOSITE SECONDARY PARTICLES CONTAINING CARBON NANOTUBES AND METHOD FOR PRODUCING SAME

The present invention provides composite secondary particles containing primary particles of a fluororesin and carbon nanotubes configured such that the primary particles of fluororesin aggregate and the carbon nanotubes are present between the primary particles of fluororesin. The average length of the carbon nanotubes is 50-1000 mum, the average particle size of the primary particles of fluororesin is 1-300 mum, the average particle size of the composite secondary particles is 150 mum or greater, the average particle size of the composite secondary particles is greater than the average particle size of the primary particles, and the composite secondary particles contain 0.01-2.0 mass% of carbon nanotubes. 本发明提供一种复合二次颗粒，该复合二次颗粒含有氟树脂的一次颗粒和碳纳米管，其是通过氟树脂的一次颗粒聚集并在氟树脂的一次颗粒之间存在碳纳米管而构成的，碳纳米管的平均长度为50～1000μm，氟树脂的一次颗粒的平均粒径为1～300μm，复合二次颗粒的平均粒径为150μm以上，复合二次颗粒的平均粒径大于一次颗粒的平均粒径，复合二次颗粒含有0.01～2.0质量％的碳纳米管。