白炭黑/木质纤维素/蒙脱土/丁苯橡胶复合材料的制备及性能研究
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摘要
对木质纤维素进行联合改性处理,制备了木质纤维素/蒙脱土补强剂,并部分替代白炭黑,制备了丁苯橡胶复合材料。研究了白炭黑、木质纤维素/蒙脱土补强剂配合比对丁苯橡胶复合材料性能的影响。结果表明:在白炭黑与木质纤维素/蒙脱土补强剂用量配合比为30∶10条件下,丁苯橡胶复合材料的力学性能最优,拉伸强度20.65MPa,断裂伸长率727.40%,邵氏A硬度74.00,撕裂强度35.60kN/m。木质纤维素/蒙脱土补强剂的加入,可以改善丁苯橡胶复合材料的力学性能和热氧老化性能。
The lignocellulose/montmorillonite reinforcing agent was prepared by the modified lignocellulose and montmorillonite.The lignocellulose/montmorillonite reinforcing agent can be used as rubber reinforcing agent partialy to replace SiO2.Then,The sryrene-butadiene rubber composite was prepared.The effects of the ratio of SiO2/lignocellulose/montmorillonite on the properties of composites were studied.The results showed that the mechanical properties of composites were the best when the ratio of SiO2/lignocellulose/montmorillonite was 30︰10,the tensile strength was 20.65 MPa,the elongation at break was 727.40%,shore A hardness was 74.00,the tear strength was35.60 kN/m.With the addition of lignocellulose/montmorillonite reinforcing agent,mechanical and thermal aging performance of composites were improved.
The lignocellulose/montmorillonite reinforcing agent was prepared by the modified lignocellulose and montmorillonite.The lignocellulose/montmorillonite reinforcing agent can be used as rubber reinforcing agent partialy to replace SiO2.Then,The sryrene-butadiene rubber composite was prepared.The effects of the ratio of SiO2/lignocellulose/montmorillonite on the properties of composites were studied.The results showed that the mechanical properties of composites were the best when the ratio of SiO2/lignocellulose/montmorillonite was 30︰10,the tensile strength was 20.65 MPa,the elongation at break was 727.40%,shore A hardness was 74.00,the tear strength was35.60 kN/m.With the addition of lignocellulose/montmorillonite reinforcing agent,mechanical and thermal aging performance of composites were improved.
引文
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[13]赵国璋.橡胶基纳米复合材料制备及性能研究[D].上海:上海大学,2011.
[2]朱晨杰,张会岩,肖睿,等.木质纤维素高值化利用的研究进展[J].中国科学(化学),2015,45(5):454-478.
[3]王莹春,曾超敏,鹿现哲,等.催化剂在木质纤维素液化中应用的研究进展[J].高分子材料科学与工程,2017,33(3):174-179.
[4]Nadir Ayrilmis,Alperen Kaymakci.Mechanical performance of composites based on wastes of polyethylene aluminum and lignocellulosics[J].Composites(Part B),2013,47:150-154.
[5]赵律,李志光,李勇辉,等.木质纤维素预处理技术研究进展[J].化学与生物工程,2007,24(5):5-8.
[6]任晓冬,史旭洋,尚鑫,等.木质纤维素预处理研究进展[J].吉林农业大学学报,2016,38(5):567-570.
[7]丁国新,程国君,李亭亭,等.木质纤维素/蒙脱土橡胶补强剂的制备及应用[J].化工新型材料,2017,45(2):219-221.
[8]丁国新,程国君,张明旭,等.一种木质纤维素/蒙脱土橡胶补强剂的制备方法及橡胶的补强方法:中国,201410172402.X[P].2016-04-27.
[9]何海陆,廖泽栋,徐建双,等.木质素/蒙脱土复合物在丁苯橡胶中的应用研究[J].精细化工中间体,2012,42(2):55-59.
[10]李要山,陈朝晖,董学腾.羟甲基化木质素/白炭黑并用对丁腈橡胶与镀铜钢丝粘合性能的影响[J].橡胶工业,2017,64(3):144-148.
[11]邓巧云,李大纲,王茹,等.甲壳素纳米纤维/蒙脱土复合材料的制备与性能[J].复合材料学报,2014,31(5):1160-1166.
[12]徐苏华,古菊,罗远芳,等.纳米微晶纤维素对白炭黑/天然橡胶复合材料性能的影响[J].复合材料学报,2011,28(6):39-44.
[13]赵国璋.橡胶基纳米复合材料制备及性能研究[D].上海:上海大学,2011.