改性纳米金刚石对橡胶补强性能的研究
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摘要
采用高温氧化的方式对炭黑N330、纳米金刚石(ND)、螺旋纳米碳纤维(CCNFs)3种填料进行表面改性,分别填充天然橡胶。采用扫描电子显微镜、拉伸实验及结合胶量对比研究填料改性前后对天然橡胶的补强性能。结果表明,改性ND与天然橡胶的配合比为1:2条件下,制得的结合胶的屈服强度达到1.68MPa,伸长率达到350.35%,抗拉强度达到1.76MPa,最大力值达到4.18N,具有较好的力学性能。
The carbon black N330,nano-diamond(ND)and helical nano-carbon fiber(CCNFs)were modified in their surface by high-temperature oxidation,and were filled respectively to the natural rubber.The reinforcement properties of natural rubber before and after modification were studied by scanning electron microscopy,tensile tests and binding rubber.The results showed that the ratio of modified ND to NR was 1:2,the yield strength of adhesive was up to 1.68 MPa,the elongation was 350.35%,the tensile strength was up to 1.76 MPa,the maximum force was up to 4.18 N,and the mechanical properties were better.
The carbon black N330,nano-diamond(ND)and helical nano-carbon fiber(CCNFs)were modified in their surface by high-temperature oxidation,and were filled respectively to the natural rubber.The reinforcement properties of natural rubber before and after modification were studied by scanning electron microscopy,tensile tests and binding rubber.The results showed that the ratio of modified ND to NR was 1:2,the yield strength of adhesive was up to 1.68 MPa,the elongation was 350.35%,the tensile strength was up to 1.76 MPa,the maximum force was up to 4.18 N,and the mechanical properties were better.
引文
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[2]Kuznetsov V L,Chuvilin A L,Butenko Y V,et al.Onion-like carbon from ultra-disperse diamond[J].Chemical Physics Letters,1994,222(4):343-348.
[3]刘晓新,周刚,文潮,等.纳米金刚石对橡胶力学性能的影响[J].特种橡胶制品,2001,22(5):14-16.
[4]张惠峰,王益庆,吴友平,等.粘土/橡胶纳米复合材料的老化性能研究[J].橡胶工业,2004,51(8):453-459.
[5]敖宁建,陈美.红粘土/天然橡胶纳米复合材料的结构与性能研究[J].电子显微学报,2002,21(2):203-206.
[6]唐征海,郭宝春,张立群,等.石墨烯/橡胶纳米复合材料[J].高分子学报,2014(7):865-877.
[7]万里.石墨烯/橡胶纳米复合材料的研究[D].青岛:青岛科技大学,2014.
[8]李芬.碳纳米管橡胶纳米复合材料制备与性能[D].北京:北京化工大学,2012.
[9]吕德隆.纳米金刚石技术及应用[C].北京:北京机械工程学会,2006.
[10]何小芳,罗四海,曹新鑫.纳米金刚石的应用及表面处理技术研究进展[J].硅酸盐通报,2013,45(8):884-889.
[11]Urmimala Maitra,Eswar Prasad K,Rananurty U,et al.Mechanical properties of nanodiamond-reinforced polymer-matrix composites[J].Solid State Communications,2009,56(149):1693-1697.
[12]Neitzel I,Mochalin V,Knoke I,et al.Mechanical properties diamond films with different grain size[J].Composite Science and Technologry,2011,25(71):710-716.
[13]苏小莉.纳米氧化锌的一体化工艺改性及在橡胶中的应用研究[D].郑州:河南大学,2008.
[14]周亚斌.羧酸改性纳米碳酸钙补强三元乙丙橡胶的研究[D].上海:上海交通大学,2006.
[15]杨子明,彭政,李思东,等.改性纳米贝壳粉对天然橡胶复合材料力学性能的影响[J].特种橡胶制品,2014,35(1):1-5.
[16]李红.螺旋形碳纤维的制备及其生长机理的研究[J].化工新型材料,2004,28(8):24-26.
[17]张华知,陈建,龚勇,等.螺旋纳米碳纤维对天然橡胶补强性能的研究[J].弹性体,2014,24(1):6-8.
[18]罗少伶,陈建,冯雪,等.螺旋纳米炭纤维用于橡胶复合材料填料补强性能的研究[J].炭素技术,2017,36(1):49-52.
[19]范壮军,李志飞,魏飞.碳纳米管和炭黑在橡胶体系增强的协同效应[J].新型炭材料,2008,31(5):149-153.