The antiballistic performance of UHMWPE fiber composites with different matrix and different construction is researched in this paper.
讨论了不同基体种类、不同结构超高分子量聚乙烯纤维复合材料的防弹性能。
UHMWPE has a very low co-efficient of friction and much lower than most other plastics and it also has superb abrasion and wear resistance.
超高分子量聚乙烯具有非常低的合作，有效的摩擦和远低于其他大多数塑料和它也有卓越的耐磨性和耐磨损性。
In order to ameliorate the hydrophility and dispersion behavior of chemical fibers and improve the binding strength between the fibers or fibers-composite materials, several surface treatment methods of fibers (PET fiber, aramid fiber, PBO fiber, UHMWPE fiber) are summarized in this paper, these methods provide a new way for their application in paper industry.
为改善化学纤维的亲水性和抄造分散性，并提高纤维间或纤维与基体材料间的黏结强度，介绍了几种化学纤维(聚酯纤维、芳纶纤维、PBO纤维、超高分子质量聚乙烯纤维)的表面处理方法，为其在造纸工业中的应用开辟新的途径。
The morphologies of the worn composite surfaces and of the transfer films on the counterface steel were observed by means of scanning electron microscopy and stereo optical microscopy.
在MM－200型磨损试验机上分别对以釜内聚合和熔融机械混合方法制备的高岭土填充超高分子量聚乙烯基复合材料（UHMWPE／Kaolin）在干摩擦条件下与45＾＃钢对摩时的摩擦磨损性能进行了研究，并用扫描电子显微镜和立体光学显微镜对其磨损表面进行了观察与分析，对材料的磨损机理进行了探讨。
The ballistic performance of UHMWPE fiber composites with matrix of LDPE was studied in this paper.
本文探讨了用超高分子量聚乙烯纤维增强低密度聚乙烯复合材料的防弹性能，研究了不同基体含最对复合材料防弹性能的影响。
PE could not reduce effectively the chain entanglement density of UHMWPE, the enhancement of processability of UHMWPE by the addition of PE is rather limited.
微观结构分析表明，在UHMWPE/PP共混物中，PP位于UHMWPE晶区间的低晶区域，破环了UHMWPE完整的链缠结网络，有效地降低了UHMWPE链缠结密度，流动性得以改善。
Microstructure analysis shows that PP located in the amorphous zone among UHMWPE crystal domains, the net of UHMWPE chain entanglement is destroyed, the chain entanglement density of UHMWPE is decreased effectively, the fiowability of UHMWPE is increased prominently upon the addition of PP.
在以聚乙烯改进UHMWPE加工流动性的情况下，熔融的PE很快渗入到UHMWPE内部，不能有效地在料筒壁-物料间聚集，也不能形成有效的熔体池，加之UHMWPE低的摩擦系数和不粘性，在用单螺杆挤出机挤出UHMWPE时就遇到困难。
As a result, the hardness and wetting ability of UHMWPE were all improved with proper filling amount.
实验结果表明，适量的颗粒填充使UHMWPE的硬度和润湿性都有所提高。
UFIMWPE particles can stimulate macrophages to phagocytose rapidly and significantly, which may lead to the induction of periprosthetic osteolysis.
UHMWPE颗粒能够引起巨噬细胞迅速而显著的吞噬反应，可能是其导致假体周围骨溶解的原因之一。
In the course of friction and wear, the debris produced by M-UHMWPE and LLDPE transfer to the worn surface exits in the contact surface, which act as anti-friction and wear-resisting agent.
在摩擦过程四川大学褚项I学位论文中，M一UHMwPE和LLDPE向磨擦界面转移产生的磨屑分布于摩擦界面，起到了减摩耐磨剂的作用。
The effects of crosslinking process on the physico-chemical properties of UHMWPE are also studied. The program analysis indicates that after gamma irradiation, the parameters describing alkyl radical is stable. While at low temperature (273K, 298K), there might exists asymmetric free radicals which lead to center shift of allyl and polyenyl radicals. At high temperature (353K, 383K), allyl radical transform into dienyl and trienyl radicals, and, then, into polyenyl radical.
程式分析实验结果显示，烷基自由基之参数变化稳定，而低温时(273K，298K)，则可能因为不对称之自由基可能导致丙烯基自由基及聚乙烯基自由基中心点偏移，在高温时(353K，383K)，推论allyl type 会先反应成 dienyl type再反应成 trienyl type，再形成多个双键polyenyl type。
The results indicated that the friction coefficients for cartilage articulation increase when the biological lubricant was previously articulated by the artificial joint materials. In addition, a significant change of the secondary structures of the albumin molecule has been observed after the molecules were articulated by the artificial joint materials. We have provided evidence that the tribochemical reaction of biological lubricants lead to the friction increase of articular cartilage.
实验中利用磨耗测试机来制备润滑液，使用新鲜的润滑液及经过磨耗过程的润滑液在两个表面（ex：UHMWPE、金属、关节软骨等）之间充当润滑液来量测摩擦性质，并观察其变化，发现摩擦后白蛋白二级结构有明显的变化，而摩擦力实验结果显示，不论是胎牛血清、白蛋白或是玻尿酸，摩擦后的润滑液比新鲜的润滑液摩擦系数来得大。
The adhesion to substrate and friction and wear properties of the GLC film on UHMWPE substrate were investigated using a scratch tester and a ball-on-disk tribometer respectively.
用划痕仪和球-盘式摩擦磨损机研究了GLC薄膜与UHMWPE基体的界面结合力和GLC薄膜的摩擦磨损性能。
Under normal temp., PVF2 has a fine corrosion resistance to many organic solvents like halogen, halogenated hydrocarbon, strong oxidant, boiling acid and alkali; UHMWPE has a fine corrosion resistance to inoxidable acid (dilute sulfuric acid, nitric acid and large concen-tration hydrochloric acid, phosphorus acid, hydrofluoric acid, formic acid and acetic acid), ammonia, amine and various alkali and salty solutions. Both materials can't resist the corrosion of strong oxidable acid.
在常温下，PVF2对卤素、卤代烃、强氧化剂、沸酸、碱等多种有机溶剂都有良好耐蚀性；UHMWPE对非氧化性酸(稀硫酸、硝酸及浓度较大的盐酸、磷酸、氢氟酸、甲酸、乙酸)、氨和胺及各种碱、盐溶液都有良好的耐蚀性，两种材料都不耐强氧化性酸的腐蚀。
Under normal temp., PVF2 has a fine corrosion resistance to many organic solvents like halogen, halogenated hydrocarbon, strong oxidant, boiling acid and alkali UHMWPE has a fine corrosion resistance to inoxidable acid (dilute sulfuric acid, nitric acid and large concen-tration hydrochloric acid, phosphorus acid, hydrofluoric acid, formic acid and acetic acid), ammonia, amine and various alkali and salty solutions. Both materials cant resist the corrosion of strong oxidable acid.
在常温下，PVF2对卤素、卤代烃、强氧化剂、沸酸、碱等多种有机溶剂都有良好耐蚀性；UHMWPE对非氧化性酸(稀硫酸、硝酸及浓度较大的盐酸、磷酸、氢氟酸、甲酸、乙酸)、氨和胺及各种碱、盐溶液都有良好的耐蚀性，两种材料都不耐强氧化性酸的腐蚀。
Under normal temp., PVF2 has a fine corrosion resistance to many organic solvents like halogen, halogenated hydrocarbon, strong oxidant, boiling acid and alkali; UHMWPE has a fine corrosion resistance to inoxidable acid dilute sulfuric acid, nitric acid and large concentration hydrochloric acid, phosphorus acid, hydrofluoric acid, and salty solutions.
在常温下，PVF2对卤代烃、强氧化剂、沸酸、碱等多种有机溶剂都有良好耐蚀性；UHMWPE对非氧化性酸
Two commonly used designs are a constrained UHMWPE liner with a metal reinforcement ring or a tri-polar constrained construct.
两种常用的主要设计形势是一个限制性超高分子聚乙烯衬垫配备一金属增强环或者是一种三极限制性结构。
In vivo study two cylindrical implants with smooth surface made of Ti-A were placed into distal femur and proximal tibia stems of rabbit via its knee, UHMWPE particles were injected repeatedly into rabbit knee connecting to the implant-bone interface at definite intervals.
经膝关节在兔股骨远端和胫骨近端髓腔中分别植入两枚光面钛合金棒，定期反复向连通植入体—骨界面的兔膝关节内注射入UHMWPE微粒，骨小梁表面碱性磷酸酶阳性染色的细胞减少，某些部位骨陷窝中有骨细胞缺如；植入体表面骨结合率术后6周为15.06±1.70％，12周为18.38±2.49％，20周为24.20±3.68％显著低于同期对照组P.05；植入体周骨小梁密度术后6周为20.45±7.79％，12周为19.16±7.77％，20周为15.74±9.05％，6周时比差异不显著，而12、20周时比差异显著；结果显示UHMWPE微粒在髓腔内植入体周微环境中阻碍新骨形成使植入体周不能达到良好骨愈合。
In the case of UHMWPE/PE blend, the melted PE penetrates into UHMWPE domains immediately, there is not enough PE melt aggregated on the barrel wall and PE melt pool could not be formed in the active flight flanks, therefore the UHMWPE powder in the passive flight flanks could not get enough pressure to have them compacted, combined with the low friction coefficient and the nonsticeness of UHMWPE to the barrel wall, the extrusion of UHMWPE with general single screw extruder is rather difficult.
在熔融塑化过程中，PP首先熔融并在料筒壁形成熔膜，熔膜流入主动螺腹形成熔体池，对被动螺腹中的UHMWPE固体床产生大的推压力，使UHMWPE固体床得以压实，解决了通常用一般单螺杆挤出机挤出UHMWPE时的打滑、料塞和不能压实的问题。
The melt flows from the melt-film toward the active flight flank to form melt pool, exerting considerable pressure on the UHMWPE powder in the passive flight flanks, the hard-compacted problem of UHMWPE is thus overcome.
FT-IR、DSC、WAXD和AFM分析表明，在单螺杆挤出机挤出UHMWPE/PP共混物时，与料筒壁接触的物料表层主要是PP，从而增大了物料-料筒壁间的摩擦系数，实现了单螺杆挤出机内物料的顺利输送。