By re-modifing on key parts of polycondensaion system of PA66 and optimizing process condition, it is available to manufacture polymer with more stable quality, and it sets up a substantial foundation for the developing of nylon 66 porous superfine fiber.

• 摘要通过对卧管式尼龙66(PA66)缩聚系统关键部位的再次改造和工艺优化，生?出质量更为稳定的聚合物，为超细旦多孔尼龙66纤维的开发奠定了物质基础。