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(1) German Leifenhauser Company The company is the world's largest supplier of spunbond equipment, and has produced about 150 PP production lines of various models, and China has more than 10 production lines. The biggest feature of the company's equipment is The width of the spinneret is the width of the product, which is drawn by negative pressure, so the equipment is compact, the structure is simple, the product is uniformly formed, and the energy consumption is low. The main products are PP spunbond nonwoven fabric, spunbond / meltblown composite Non-woven fabric (SMS). According to the company ’s recent introduction, there is already a trial production line for PE / PP two-component compounding. The company ’s product has the disadvantage of insufficient drafting force, so it cannot produce PET and PA spunbond and compounding. Spunbond products.
(2) Ason (Ason) is located in Tennessee, USA, and has been merged by Newmag. It is the manufacturer that introduced the two-component spunbond products to China earlier. The main technical staff is China Beijing Institute of Clothing Technology Lu Fumin, a postgraduate scholar, the company uses positive pressure drafting. It is said that the spinning speed can exceed 5000m / min.It can produce single-component and two-component spunbond products of PET, PA, PP and PE. The shortcoming is the external supply Has fewer mature production lines.
(3) The Nordson Company of the United States is a multinational company that acquired JM Laboratories in 1999 and entered the spunbond industry. The company absorbed the technology of NKK in Japan and developed the melt-blown method Starting from nonwovens, currently claiming to be the world's second largest supplier of turnkey projects. It can supply a variety of synthetic fibers and composite fibers spunbond nonwoven production lines. Recently, Shaoxing, Zhejiang and Zhangjiagang, Jiangsu have supplied two Production lines.
(4) The Dutch Akzo company has a mature skin-core PA / PET composite spunbond production line, and the products have been widely used.
(5) Hills companyThe company is a famous company specializing in the production of various composite fibers.In November 2003, it made a technical exchange of a two-component spunbond nonwoven production line in Guangzhou, China. To promote its production line. The company's equipment is characterized by the unique design of the spinneret. According to the introduction, it can produce composite fibers of various components of PET, PA and PP.
In addition to the above companies, some companies in Japan also have the ability to supply bicomponent spunbond production lines.
Major foreign R & D manufacturers of bicomponent spunbond equipment
At present, there are not many countries and companies in the world that have mastered and are developing bicomponent composite spunbond nonwoven technology. Now the known R & D manufacturers and their process characteristics and corresponding products are introduced as follows