? 超高分子量聚乙烯異形件耐磨板的優(yōu)點(diǎn)有哪些？

? UHMWPE高分子量(分子量通常只有2 ~ 30萬的HDPE)以其優(yōu)秀的使用性能，屬于價(jià)格適中、性能良好的熱塑性工程塑料，它集中了各種塑料的優(yōu)點(diǎn)，幾乎具有普通聚乙烯和其他工程塑料無法比擬的耐磨性、抗沖擊性、自潤(rùn)滑性、耐腐蝕性、吸收沖擊能量、耐低溫、衛(wèi)生、無毒、不易粘連、吸水性小、密度大等綜合性能。事實(shí)上，沒有簡(jiǎn)單的高分子材料具有如此多的優(yōu)異性能。

What are the advantages of ultra-high molecular weight polyethylene shaped wear-resistant plates?
? UHMWPE, with a high molecular weight (usually only 20-300000 HDPE) and excellent performance, is a thermoplastic engineering plastic with moderate price and good performance. It combines the advantages of various plastics and has almost unparalleled wear resistance, impact resistance, self-lubrication, corrosion resistance, impact energy absorption, and low resistance compared to ordinary polyethylene and other engineering plastics
? Comprehensive properties such as temperature, hygiene, non-toxic, non adhesive, low water absorption, and high density. In fact, no simple polymer material has so many excellent properties.

超高分子量聚乙烯的特性：

1、超高分子量聚乙烯板耐磨耐損，且分子量越大，材料的耐磨性和抗沖擊性越高；用于很多的機(jī)械軌道。

2、超高分子量聚乙烯板的沖擊強(qiáng)度是現(xiàn)有塑料中的高值，即使在70℃時(shí)仍有相當(dāng)高的沖擊強(qiáng)度；

3、自潤(rùn)滑；

4、吸水率極低。因此，其物理機(jī)械性能與使用的工作條件中的濕度因素?zé)o關(guān)；

5、超高分子量聚乙烯板化學(xué)性穩(wěn)定，在一定的溫度，濃度范圍內(nèi)能耐酸、堿、鹽等各種腐蝕性介質(zhì)及有機(jī)溶劑的腐蝕；

6、超高分子量聚乙烯板無味、無毒、無嗅，本身無腐蝕性，具有生理循環(huán)性和生理適應(yīng)性.

7、不粘附性；

8、高密度聚乙烯分子量超過50萬時(shí)，脆化溫度降至140℃。超高分子量聚乙烯甚至可以在液氮作用下，其使用溫度可達(dá)269以下℃，仍有一定的機(jī)械強(qiáng)度。

? 超高分子聚乙烯板具有許多優(yōu)異的性能，然而如此優(yōu)異的工程塑料卻很少有人知道它的存在，這主要是由于以前對(duì)超高分子量聚乙烯的熔體特性研究不足，加工方法基本上還停留在落后的壓制一燒結(jié)工藝上。近年來，隨著超高分子量聚乙烯加工技術(shù)的不斷發(fā)展，其制品已在許多領(lǐng)域中獲得了成功的應(yīng)用。

Characteristics of ultra-high molecular weight polyethylene:
1. Ultra high molecular weight polyethylene sheet is wear-resistant and wear-resistant, and the larger the molecular weight, the higher the wear resistance and impact resistance of the material; Used for many mechanical tracks.
2. The impact strength of ultra-high molecular weight polyethylene sheet is the highest among existing plastics, and it still has a relatively high impact strength even at 70 ℃;
3. Self lubrication;
4. The water absorption rate is extremely low. Therefore, its physical and mechanical properties are independent of the humidity factor in the working conditions used;
5. Ultra high molecular weight polyethylene sheet has stable chemical properties and can withstand corrosion from various corrosive media such as acids, alkalis, salts, and organic solvents within a certain temperature and concentration range;
6. Ultra high molecular weight polyethylene sheets are odorless, non-toxic, odorless, and inherently non corrosive, with physiological cycling and adaptability
7. Non adhesion;
8. When the molecular weight of high-density polyethylene exceeds 500000, the embrittlement temperature drops to 140 ℃. Ultra high molecular weight polyethylene can even be used at temperatures below 269 ℃ under the action of liquid nitrogen, and still has a certain degree of mechanical strength.

? Ultra high molecular weight polyethylene (UHMWPE) sheets have many excellent properties, but few people are aware of their existence as such excellent engineering plastics. This is mainly due to insufficient research on the melt properties of UHMWPE in the past, and the processing methods are basically still lagging behind in the pressing sintering process. In recent years, with the continuous development of ultra-high molecular weight polyethylene processing technology, its products have been successfully applied in many fields.