1、超高分子聚乙烯导轨滑板图表 1是人们对超高分子聚乙烯导轨滑板的一种称呼。超高分子量聚乙烯板,根据美国菲利普石油公司的划分方法,分子量在150 万以上的聚乙烯。超高分子量聚乙烯板 - 原料根据美国菲利普石油公司的划分方法,分子量在 150 万以上的聚乙烯称为“超高分子量聚乙烯(UHMWPE) ”。德国赫斯特(Hoechst)公司、美国赫尔克乐斯(Hercules)公司和日本三井石油化学公司是世界上生产 UHMWPE 的三大公司,中国主要生产厂家是北京助剂二厂、上海高桥石化公司化工厂。超高分子量聚乙烯板的原料,就是分子量在 150 万以上的超高分子量聚乙烯.作为导轨滑板来讲,超高分子量聚乙烯板是最
2、佳选择,他的自身润滑效果好,耐磨性能优越、易加工经过张建涛教授细心钻研在原有基础上添加微量元素以及化学制品让其性能更加卓越。咨询电话:13184116266 技术详解见:超高分子量聚乙烯板 - 特点高自润滑、不吸水 - 破坏因吸水形成分子链,消除粘结,下料自然顺畅。高耐磨、抗冲击 - 加入多种改良剂,保持原有特性,提高更具实用性优点。不粘性表面吸附能力非常微弱,因而制品表面与其它材料不易粘符。拉伸强度高达 33.5GPa, 拉伸弹性模量高达 100125GPa;纤维比强度是迄今已商品化的所有纤维中最高的,比碳纤维大 4 倍,比钢丝大 10 倍,比芳纶纤维大 50%。抗冲击- 抗冲击强度达到 1
3、50KJ/,不破裂。 优良的环境应力开裂性能,是普通聚乙烯的 200 倍。 优良的耐低温性能,即使在 176时也不脆裂。耐化学药品性具有优良的耐化学药品性,除强氧化性酸液外,在一定温度和浓度范围内能耐各种腐蚀性介质(酸、碱、盐)及有机介质(荼溶剂除外) 。 其在 20和 80的 80种有机溶剂中浸渍 30d,外表无任何反常现象,其它物理性能也几乎没有变化。超高分子量聚乙烯板 - 使用范围煤电行业:原煤仓、下煤斗、地煤沟钢铁行业:混合料仓、焦化厂、煤塔、配煤室水泥行业:原煤仓、煤粉仓、粘土仓、铁粉仓食品行业:卫生菜板超高分子量聚乙烯板 - 加工需要提出的是,因 UHMWPE 熔融粘度极高,加工难
4、度大,长期以来,国内外都主要采用类似于加工聚四氟乙烯的压制烧结和柱塞挤出成型方法加工,生产效率较低。超高分子量聚乙烯板 - 缺点虽然超高分子量聚乙烯板有很多优点,但是世界上没有完美的事物,它也有它的缺陷,与其它工程塑料相比,高分子量聚乙烯具有表面硬度和热变形温度低、弯曲强度以及蠕变性能较差等缺点。这是由于高分子量聚乙烯得分子结构和分子聚集形态造成得,可通过填充和交联得方法加以改善。其板材是在超高分子量聚乙烯原料的基础上,根据客户所需加入相关改性材料,经混合压延烧结冷却高压定形脱模成形。性能阻燃高分子量聚乙烯板不仅保留了超高分子量聚乙烯板抗冲击强度高,摩擦系数低,自润滑性能优良等品质,同时能够满
5、足客户的不同性能需求。如阻燃型高分子聚乙烯板,该衬板点燃难度高、脱离火源后可在 310 秒内自动熄灭,并且不滴落、烟量小、挥发气体对人体无害、经国家阻燃材料研究室检测后,认定该产品为绿色环保型材料,具有很高的推广和使用价值。另外还有耐磨性高分子聚乙烯板,耐高温型高分子聚乙烯板,高强度型高分子聚乙烯板等。应用高分子聚乙烯板做为衬板使用,是利用了其力学性能不高,常用作金属的衬里材料,将金属的强度和 U 高分子聚乙烯板的耐磨性及客户所需性能结合在一起。阻燃型高分子聚乙烯板,广泛用于我国的电力、煤矿、钢铁、水泥、焦化等行业,有效防止因煤炭自燃以及其它因素造成的失火现象。提醒温馨提醒,突出了某种性能的高
6、分子聚乙烯板,其它方面的性能会有所降低,希望在选择时认真考虑。高分子聚乙烯板高分子聚乙烯板是高聚物的一种,有它的特殊性其机械力学性能受温度、相对分子质量的影响很大,在设计高分子聚乙烯板机械零件时应给予高度重视。随相对分子质量的增大超高分子垦聚乙烯的耐磨损性增强,伸长率随相对分子质量的增大而降低,屈服强随相对分子质最的增大也下降,最大强度随相对分子质量的增大而略有增高,冲击强度随相对分子质量的增大而增大,高分子聚乙烯板相对分子质量 300 万左右达到最大值,超过 300 万左右后,反而降低,冲击强度随温度的增高而变大,但在 25左右时达到最大值。然后随温度的增高而降低,即使高分子聚乙烯板是在零下
7、 200仍有一定的冲击强度,拉伸最大强度和屈服强度都随温度的增加而明显降低。Flame retardant ultra-high molecular polyethylene lining Introduction to the Flame retardant ultra-high molecular polyethylene liner (PE) is high Molecular weight polyethylene flame retardant lining of a call. The plate is on the basis of ultra-high molecular we
8、ight polyethylene material, according to the customer required to join the related modified material, through mixing, rolling, sintering, cooling - high pressure setting - release - forming. performance Flame retardant high molecular weight polyethylene plate not only retained the ultra-high molecul
9、ar weight polyethylene plate high impact strength, low friction coefficient and excellent lubricating qualities such as, at the same time can satisfy the different performance requirements of customers. Such as flame retardant polymer polyethylene plate, the plate after lighting of high difficulty,
10、from fire automatic put out in 3 to 10 seconds, and does not drip, less smoke, volatile gases is harmless to the human body, by the flame retardant materials laboratory testing, as the product of green environmental protection material, has the very high promotion and use value. Type and wear-resist
11、ant polymer polyethylene plate, high temperature resistant polymer polyethylene plate, high strength type polymer polyethylene plate and so on. application Polymer polyethylene plate for plate is used, is using its mechanical performance is not high, commonly used for metal lining material, will be
12、the strength of the metal and U polymer polyethylene plate wear resistance and performance necessary for the customer together. Flame retardant polymer polyethylene plate, is widely used in our countrys electric power, coal, steel, cement, coking, etc, effectively prevent the fire phenomenon caused
13、by coal spontaneous combustion, and other factors. remind Warm reminder, highlighted some properties of the polymer polyethylene plate, other aspects of performance will be reduced, hope to seriously consider when the choice. Polymer polyethylene plate Polymer polyethylene plate is a kind of high po
14、lymer, with the particularity of its mechanical performance is affected by temperature, relative molecular mass is very big, when designing polymer polyethylene plate mechanical parts should be given high attention. Along with the increase of relative molecular mass: ultra-high molecular polyethylen
15、e wear resistance increase, the elongation decreases with the increase of relative molecular mass, and strong yield along with the increase of relative molecular mass is the most also fell, the maximum strength increased slightly with the increase of relative molecular mass, impact strength with the
16、 increasing of relative molecular mass, relative molecular weight polymer polyethylene plate peaked around 3 million, after more than 3 million or so, it is reduced, the impact strength with the increasing of temperature and bigger, but reach maximum at 25 or so. Then decrease with the increasing of temperature and, even if the polymer polyethylene plate is 200 below zero still has a certain impact strength, tensile strength and yield strength biggest were obviously decreased with the increase of temperature.