纺粘无纺布技术类型
Technical type of spunbonded nonwoven fabric
世界上纺粘无纺布技术主要有德国莱芬的莱科菲尔技术、意大利的STP技术、日本的神户制钢技术等。当前状况，尤其以莱芬技术成为世界上的主流技术。目前已经发展到第四代技术。特点是采用负压超高速气流牵伸，纤维能够被拉伸到1旦尼尔左右。国内已经有很多企业进行了仿制，由于其核心技术有许多前沿性的问题尚未解决或掌握，国内设备制造企业要想达到莱芬技术水平尚待时日。
The world's spunbonded nonwoven technology mainly includes the German Lai fan's Phil technology, Italy's STP technology, and Kobe's steel making technology in Japan. The current situation, especially with the technology of Lai fan, has become the mainstream technology in the world. At present, it has developed to the fourth generation technology. It is characterized by negative pressure and super high speed air draft, and the fiber can be stretched to about 1 Neal. Many enterprises have been imitated in China. Because the core technology has many frontier problems that have not been solved or mastered, it is still in time for domestic equipment manufacturing enterprises to reach the level of the technology.