以正丁醇、氢氧化钠和二硫化碳为原料,水作溶剂合成正丁基黄原酸钠,再与一氯化硫反应,室温条件下合成对称的二硫化二正丁基黄原酸酯,并探讨了反应条件对合成正丁基黄原酸钠和二硫化二正丁基黄原酸酯产率的影响.通过红外(FT-IR)、核磁(1H NMR)、质谱(MS)及元素分析等技术手段确定了产物的结构.优化的合成条件为:n(正丁基黄原酸钠)∶n(S2Cl2) =2∶1.1,温度为室温,溶剂为THF,反应时间为2 min,产率可达83.2%,反应条件温和,反应迅速、收率高.
参考文献
[1] | Fiddler W;Pensabene J W;Gates R A.Nitrosamine Formation in Processed Hams as Related to Reformulated Elastic Rubber Netting[J].Journal of Food Science,199863(02):276-278. |
[2] | 李淑娟;范山鹰.橡胶制品中N-亚硝胺研究综述[J].橡胶科技市场,2007(15):6-9. |
[3] | 吕百龄.橡胶促进剂的发展趋势[J].精细与专用化学品,200311(23):3-5. |
[4] | 顾铭权.现代硫磺硫化技术前沿--高分散,热稳定,不喷硫,不产生亚硝胺的硫化剂[J].橡胶工业,2004(51):222-224. |
[5] | 赵光辉;任敦泾;李建忠.我国橡胶助剂工业的现状及发展[J].世界橡胶工业,200734(04):32-37. |
[6] | Wacker C D;Spiegelhalder B;Preussmann R.New Sulfenamide Accelerators Derived from ' Safe' Amines for the Rubber and Tyre Industry[J].IARC Scientific Publication,1991(105):592-594. |
[7] | 蓝文祥.黄原酸[J].材料导报,1992(05):47-49. |
[8] | Palaty S;Devip V;Joseph R.Use of Sodium and Potassium Butyl Xanthate as Accelerator for Room Temperature Prevulcanization of Natural Rubber Latex[J].Journal of Applied Polymer Science,2011122(02):1325-1332. |
[9] | Palaty S;Joseph R.Xanthate Accelerators for Low Temperature Curing of Natural Rubber[J].Journal of Applied Polymer Science,200078(10):1769-1775. |
[10] | Nitin T;Scott S;Brendan R.Xanthate Accelerators in Vulcanization Isobutylene Based Elastomers[J].Rub World,2007235(06):40-49. |
[11] | Palaty S;Joseph R.Studies on Xanthate Zinc Diethyl Dithiocarbamate Accelerator Combination in Natural Rubber[J].Polym Sci Rub Technol,200130(06):270-274. |
[12] | HG/T 3870-2008.硫化橡胶溶胀指数测定方法[S]. |
[13] | GB/T528-2009.硫化橡胶或热塑性橡胶拉伸应力应变性能的测定[S]. |
[14] | GB/T531-1999.橡胶袖珍硬度计压入硬度试验方法[S]. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%