庄甦、（ 北京市塑料研究所，北京100009)
摘要: 通过模压成型制备了超高分子量聚乙烯( UHMW-PE) 板材，研究了不同分子量、模具加热方式对UHMW-PE 板材性能以及产量的影响，结果显： 分子量越大，断裂伸长率越低，拉伸强度越大，硬度越大，当 UHMW-PE 的分子量时，板材的硬度最大，砂浆损耗率和磨损量最小；而且，当模具采用油加热成型板材时，UHMW-PE 板材的力学性能、硬度以及摩擦性能优于国外样品；相对于炉内加热方式，电加热成型大体积板材时，不仅节约了能量，而且产量都能提高约 40%。
关键词:超高分子量聚乙烯; 模压成型; 分子量; 油加热; 电加热
中图分类号: TQ325. 12; TQ320. 661
文献标志码: 文章编号:1001 9456(2014) 03 03
Moldi ng Pl ates Ultra-High Mol ecul ar Weight Polyet hyl ene UHMW-PE)ZHUANG Su，LI Xin，LI Hai nan，HUANGPing Beijing Plastics Ｒesea rch Insti tute，Beij ing 100009，China) Abstract: Ultr a-hi gh molecula weight polyethyl ene plates were prepared t-pre ssu re molding． diffe rent molecula weight，heating me th od roper ty outpu UHMW-PEplate werestudied， results showed tha tensilestren gth hardness were inc reased，whi le increase weight，when UHMW-PE molecular we ghtwa highe st，but，the Mor ta wearrate wearing capacity lowe st，so，when wereformed ilheating moulds，the mechanical proper tie s，hardne ss riction performance UHMW-PEplate gnsamples． Ｒela tive furnaceheating mod arge volume plate weremolded elect rical heating moulds，not onl savedenergy，and outputcould increased ab ou Keywords: ultra-hi gh molecula weight polye thylene; molding; molecula weight; oil healing; el ectrical heating
文章摘自《塑料》2014年第43卷第3期
(0)
