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The results showed that combination of dicumyl peroxide( DCP) and sulphur could increase the tensile strength and hardness of system and decrease elonga-tion at break and permanent compression set. 结果表明,过氧化二异丙苯(DCP)与硫磺的配合使用可提高共混物的拉伸强度和硬度,降低断裂伸长率和压缩永久变形;
permanent compression set 压缩变形
Low compression set guarantees long-term stable service. 小的残余变形保证导电布性能长期可靠。
The results showed that the compound could improve the scorch safety, the compression set and the tensile strength of fluoro rubber compound. 结果发现:一羟基或羧基化合物能提高氟橡胶混炼胶的防焦烧性,并对压缩永久变形和拉伸强度等有一定的改善。
Vulcanizate cured by bisphenol AF system has good mechanical properties and best compression set. 并且双酚硫化体系具有最优的综合力学性能和压缩永久变形性能。
The results showed that the compression set of NBR/EPVC vulcanizate was increased obviously by adding EPVC and DOP. 结果表明,加入EPVC使NBR/EPVC共混物的压缩永久变形显著增大;DOP也会使共混物的压缩永久变形增大;
The XNBR vulcanizated with sulphur/metal oxide vulcanization system had better abrasive resistance and compression set. 用硫黄／金属氧化物硫化体系所得到的XNBR硫化胶的耐磨性、压缩永久变形较好；
When isocyanate index and density increase,compression stress is strengthened,and the compression set is improved. 增加异氰酸酯指数和密度,微孔弹性体的压缩负荷显著提高,压缩变定性能改善。
Toa Acron has the excellent property in heat-resisting, oil-resisting, ozone-resisting, weather-resisting and compression set at high-temperature oil. 耐热性,耐油性,耐臭氧性,耐侯性和在高温下的压缩永久变形性能优异,特别是对高温油的物理性能优良。
Based on accelerative aging test,bi-parameter experience kinetic formula was used to simulate the evolutive process of rubber compression set. 基于橡胶加速老化试验,以双参数经验动力学公式模拟橡胶老化中压缩永久变形的演变过程。
The effects of post cure temperature and time on the basic properties and compression set of chlorohydrin rubber(CO)were studied in this paper. 研究了二段硫化条件(硫化温度和硫化时间)对均聚氯醚橡胶(CO)基本性能和压缩永久变形性能的影响。
The effects of the blending ratio,curing systems,carbon black and antioxidants on the compression set of the EPDM/EPDM reclaim blend were studied. 研究了三元乙丙橡胶/EPDM再生胶的并用比、硫化体系、炭黑、防老剂种类及用量对硫化胶压缩永久变形的影响。
Cetane improver. Makes the engine run better at higher compression settings. 碳氢化合物的改进物。使引擎在高压缩比时运转较为顺畅。
Cetane improver . Makes the engine run better at higher compression settings. 碳氢化合物的改进物。使引擎在高压缩比时运转较为顺畅。
A cure system of DCP/TMT was used to vulcanize CO/NBR blends. The influence of mixing ratio on the tensile properties, compression set and oil resistance were studied. 采用过氧化二异丙苯(DCP)/2,4,6三巯基均三嗪(TMT)作为氯醚橡胶(CO)/丁腈橡胶(NBR)共混胶料的硫化体系,研究了胶料配比对其拉伸性能、压缩变形及耐油性能的影响。
The compression coefficient at low temperature, compression set, the physical properties and thermal resistance of EPDM/BR blends and EPDM/SBR blends were discussed . 通过乙丙橡胶与低顺丁橡胶或甲基丁苯橡胶的并用,研究了并用胶料的压缩耐寒系数、恒定压缩永久变形、耐热空气老化等性能。
The results have shown that MCA can increase tensile strength and hardness of NBR and also improve the properties of resistance to heat aging and compression set of NBR as well. 结果表明金属活性助剂MCA，在不同的硫化体系中可提高丁腈橡胶的拉伸强度、硬度，改善丁腈橡胶的耐热老化性能及压缩永久变形性能。
The cure characteristics, mechanical properties, resistance to heat and aging and compression set properties of ACM,FKM and their blends of varying compositions were studied. 研究了不同并用比的氟橡胶(FKM)和丙烯酸酯橡胶(ACM)并用胶的硫变特性、物理机械性能、耐老化性、热稳定性和压缩永久变形性能。
Nothing can assure permanent happiness. 没有什么东西能确保永久的幸福。
I'm looking for a permanent appointment. 我正在寻找固定的工作。