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1.原理和工艺 Principles and Techniques

　　国际上关于高强高模聚乙烯纤维的基础理论早在上世纪30年代就已提出，然而几乎经历了近半个世纪才发明这种纤维及生产工艺--凝胶纺丝法。将超高分子量聚乙烯溶解于一种特殊的溶剂中，再由喷丝

孔喷出成丝。在溶解的过程中，原先相互缠绕呈无序排列的大分子逐渐被解缠，并保持到冻胶原丝中。在随后的纤维拉伸过程中，聚乙烯高分子达到了极高的取向度和结晶度,从而赋予纤维以高强力和高模量(见表1)
　　上世纪90年代高强高模聚乙烯纤维在少数国家进入商业化生产，总产量才数千吨。湖南中泰特种装备有限责任公司是我国继世界上少数几个公司之后获得这种纤维生产技术专利并实现商业化生产的企业。目前1000吨/年生产能力己投入运营，预计国内市场占有率将达到70％以上。经湖南省科委、国家纺织工业局组织鉴定，对ZTX99高强高模聚乙烯纤维产品系列给予极高的评价，属于国内领先并达到国际同类产品的先进水平。

The basic theory on the HSHM-PE fiber had been first proposed in 1930s. However, it is till about 50 years later that the fiber could be dissolve the ultra-high molecular weight polyethylene into a certain solvent and then spray into spinning from the spinneret. During the dissolving process, macromolecular chains originally entangled and irregularly structured separate from one another and maintain the state till the spinning fluid cools down and the spinning is formed. During the subsequent fiber-drafting process, the PE macromolecule comes to a higher degree of orientation and crystallization, resulting in high strength and high module of the fiber (See Table 1).

In 1990s, the HSHM-PE fiber was commercially manufactured only in a few highly developed countries and its total output is but thousands of tons. Hunan ZTSA Limited is the one after a few big companies in the world to acquire the exclusive technology in producing commercially the HSHM-PE fiber. Recently, product line with the annual production capacity of 200 tons has been put into operation. The home market share will be estimated to above 50 percent. Tested by Hunan Provincial Commission of Science and Technology and the Stats Administration of Textile Industry, the ZXT99HSHM-PE fiber and its product collections have been highly assessed to rank the pilot in China and have reached the advanced level of its international counterparts.

2.世界上最强的纤维 The Strongest Fiber in the World

　　 ZTX99高强高模聚乙烯纤维是当今世界三大高性能纤维(碳纤维、芳纶和高强高模聚乙烯纤维)之一，也是目前世界上强度最高的纤维，其基本特性为：
　●高强度：强力是优质钢的10余倍
　●高模量：仅次于特级碳纤维；
　●低密度：小于1，能漂浮于水面。
见图表2、3、4、5。
　　
　　The ZTX99 HSHM-PE fiber is one of three major hi-tech fibers (specifically the carbon fiber, the armied fiber and the HSHM-PE fiber) and the toughest of all and its basic features are as follows:
　●High strength: over 10 times stronger than the high-quality steel;
　●High modulus: next to the super-class carbon fiber;
　●Low density: less than lg/cm and floatable on water.
the Tables 2, 3, 4 and 5.

从这些图表中可以看出ZTX99高强高模聚乙烯纤维
　　●高性能是名符其实的；
　　●断裂伸长低、强度高、断裂功大，具有很强的吸收能量的能力，因而具有突出的抗冲击性和抗切割韧性；
　　●在满足性能要求的同时，不仅减轻重量，而且减小体积。

From thc above tables，we can see that the ZTX99 HSHM—PE fiber is：
　　●worthy Of its name so far as its high functions are concerned;
　　●highly resistive to collision and incision thanks to its property in low rupture expansion and strong capacities in high intensity，high rupture power and strong energy obsorption;
　　●lighter in weight and smaller insize，meanwhile，satisfactory to the functional requirements．

3.广阔的市场前景 The Wide Market Prospect

　　基于高强聚乙烯纤维的优异性能，目前该纤维在国际上已成为21世纪蓬勃发展的高新技术材料而广泛用于安全防护、航空、航天、航海、电子、兵器、造船、建材、体育、医疗等诸多领域，如防弹衣、防弹运钞车、盾牌、坦克和舰船的装甲防护板、降落伞缆绳、船舶海洋工程缆绳、登山绳、渔网、渔线、赛艇、帆船、弓弦、网球拍、滑雪撬、人造关节和韧带、安全防护罩、抗冲击容器等。相信随着这一技术不断开发和普及，ZTX99高强聚乙烯纤维还将应用于更广泛的领域。

　　Based on its advantageous properties, the HSHM-PE fiber has now become one of the high-tech materials rapidly developed in the 21st century and wildly applied in such fields as safety protection, aviation, spaceflight, navigation, electronics, weapon,shipbuilding, building material, sports, medical treatment and so on. Products made up of the fiber include bulletproof jacket, ballistic helmet, financial vehicle, ballistic shield, tank, naval armor protection board, parachute hawser, watercraft oceaneering cordage, mountain-climbing rope, fishing net and tread, boat, gig and arrow, pat, ski,man-made nearthrosis and ligament, safety protection cover, anti-impact vessel and so on. With the development and popularization of this technology, the ZTX99 HSHM-PE fiber will be applied to wide fields.

4.耐用性 Durability

　　ZTX99高强高模聚乙烯纤维是以超高分子量聚乙烯为原料生产的，它的物理性能非常优异(见表6)。由于具有高结晶度，且不含易于和化学药剂发生反应的化学基团，因此耐水、耐湿、耐化学腐蚀、耐紫外线。
　　●耐紫外线，因此无须经过耐紫外线预处理(见表7)
　　●耐腐蚀，耐酸碱(见表8)；
　　●具有优异的耐磨性，不仅有高模量，而且柔软，有较长的挠曲寿命。

　　The ZTX99 HSHM-PE fiber is made of polyethylene whose molecular weight is high and physical property is very good (See Table 6). Because it has high crystallization and no active chemical genes to easily function with other chemical reagents, the fiber exhibits the characteristics of extraordinary advantages in resistance to water,
moisture, chemical, UV and mildew. It will not be melt or dissolved in water, sea or other wet conditions.
　　●Anti-UV and free from any anti-UV pretreatment(See Table 7);
　　●Anti-erosion, anti-acerbity and anti-alkali(See Table 8);
　　●Extraordinary anti-abrasive, high modulus but soft,with long longevity of deflection.

5.热性能 Heat Property

　　ZTX99高强高模聚乙烯的熔点在144～152℃之间，强度和模量随着温度的升高而降低，但在低干0℃条件下，变化不大，在-150℃低温下也没有脆化点，因此使用温度可在-150℃～70℃之间，短时间暴露于110℃环境不会造成严重的性能降低。

　　The melting point of the ZTX99 HSHM-PE fiber is between 144℃ and 152℃. The higher the temperature is, the lower the strength and modulus will be, or the vice versa below 0℃. As there is no brittle point at the temperature lower than -150℃, the fiber can be applied at the temperature ranging from -150℃ to 70℃ and there is no sharp decline of the fiber's property even if it is exposed in short time on condition of high temperature.