POM LT802旭化成

POM(聚甲醛#赛钢)/LT802/日本旭化成， 用途： 家用日杂， 特性：低摩擦系数；均聚物；良好的抗蠕变性；耐磨损性良好；润滑；粘度，高

重要参数： 熔体流动速率:2.5 g/10min 密度:1.42 g/cm3 吸水率:0.2 % 成型收缩率:1.8 % 缺口冲击强度:13 断裂伸长率:55 % 弯曲强度:91 MPa 弯曲模量:2560 MPa 硬度:92 热变形温度:154 ℃

生产厂商：日本旭化成工业株式会社   

Hoechst 公司的长纤维增强POM的落标冲击强度为普通纤维增强聚甲醛的8倍，它推出的两种25%玻璃纤维增强聚甲醛，强度Zui高，其拉伸强度高达128MPa，并具有优良的热性能，低摩擦性、耐磨性、抗蠕变性和耐低温性，常可用于制造性能要求严格的零部件，如燃油系统零件、车窗升降摇柄、安全控制部件及泵叶轮、泵壳等。

At present, homopolyformaldehyde accounts for about 20% of the total production of polyformaldehyde. POM copolymer formaldehyde was invented by Celanese Company in 1960 and industrialized in 1962. Then Hoechst-Celanese, a joint venture between Hoechst and Clanese in Germany, BASF in the United States, Poly Company in Japan, Asahi Chemicals Company and Mitsubishi Gas Chemicals Company began to produce POM copolymer formaldehyde. Subsequently, Basf Company, Mitsubishi Gas Company, Yumo Xingsheng Company, Polaroid and Asahi have improved the synthesis process, each of which has its own unique technical characteristics. Yumo Hing-Tech Company adopts gas phase method in the process of polymerization. Basf and Mitsubishi Gas Company use dichloroethane as solvent and ethylene oxide (or dioxane) as copolymer. Direct synthesis of 70% high concentration formaldehyde by oxidation of POM formaldehyde in Xuhua Cheng Company

从需求方面看，由于聚甲醛具有耐摩擦、耐磨耗及承受高负荷的优点，因而能够部分替代有色金属如铜、锌、铝等制作结构零件，在汽车和电子电器方面的应用越来越大，汽车国产化进程必然加大对聚甲醛的需求。根据Zui近的调查数据，目前国内聚甲醛需求量约40万吨。