二段硫化条件对氢化丁腈橡胶性能的影响
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摘要
研究二段硫化条件对氢化丁腈橡胶(HNBR)硫化胶性能的影响。结果表明:与未二段硫化的硫化胶相比,经二段硫化的硫化胶交联密度增大,物理性能、耐老化性能和耐油性能提高,压缩永久变形减小;当二段硫化条件为150℃×4 h时,硫化胶的综合性能较好。
The effect of second stage vulcanization conditions on the properties of HNBR vulcanizate was investigated. The results showed that,compared with the vulcanizate without second stage vulcanization,the crosslink density of the vulcanizate with second stage vulcanization increased,the physical properties,aging resistance and oil resistance were improved,and the compression set was reduced. When the second vulcanization condition was 150 ℃×4 h,the comprehensive performance of the vulcanizate was better.
The effect of second stage vulcanization conditions on the properties of HNBR vulcanizate was investigated. The results showed that,compared with the vulcanizate without second stage vulcanization,the crosslink density of the vulcanizate with second stage vulcanization increased,the physical properties,aging resistance and oil resistance were improved,and the compression set was reduced. When the second vulcanization condition was 150 ℃×4 h,the comprehensive performance of the vulcanizate was better.
引文
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[11]李志伟,王迪珍,程万里.二段硫化条件对共聚型氯醚橡胶性能的影响[J].橡胶工业,2003,50(5):271-274.
[2]陈炳耀,陈亮,凌辉,等.氢化丁腈型密封胶的制备与性能研究[J].粘接,2013,34(1):42-46.
[3]刘刚,张昱旻,张爱波,等.热老化对不同硬度氢化丁腈密封胶性能的影响[J].粘接,2013,34(10):68-71.
[4]Mamedov S M,Garibov A A,Rzaeva S A,et al. The Radiation VulcanisationofHydrogenatedNitrileButadieneRubber[J].International Polymer Science and Technology,2015,42(6):7-9.
[5]Rochea N,Heuilleta P,Janina C,et al. Mechanical and Tribological BehaviorofHNBRModifiedbyIonImplantationInfluenceof Aging[J]. Surface and Coatings Technology,2012,209(25):58-63.
[6]梁滔.氢化丁腈橡胶的加工技术与应用进展[J].合成橡胶工业,2017,40(2):158-163.
[7]詹正云,辛丽红,詹博特.氢化丁腈橡胶的性能及其应用[J].世界橡胶工业,2014,41(4):34-38.
[8]李晶,魏绪玲,龚光碧.国内外氢化丁腈橡胶的生产现状与展望[J].橡胶工业,2016,63(1):55-59.
[9]AlcockB,JΦrgensenJK. TheMechanicalPropertiesofaModel HydrogenatedNitrileButadieneRubber(HNBR)Following SimulatedSweetOilExposureatElevatedTemperatureand Pressure[J]. Polymer Testing,2015,46:50-58.
[10]Flory P J,Rehner J. Statistical Mechanics of Cross-Linked Polymer Networks II. Swelling[J]. The Journal of Chemical Physics,1943,11(11):521.
[11]李志伟,王迪珍,程万里.二段硫化条件对共聚型氯醚橡胶性能的影响[J].橡胶工业,2003,50(5):271-274.