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- dibutyl paracresol 二丁基对甲酚
- Dibutyl phthalate is commonly employed as such a plasticizer. 酞酸二丁酯一般用来作为这类增塑剂。
- SYNTHESIS OF DIBUTYL ADIPATE USING CATALYST TiSiW??12? TiSiW_(12)O_(40)/TiO_2复相催化合成己二酸二丁酯
- Conclusion Dibutyl Phthalate is a slow toxicity substance. 结论邻苯二甲酸二辛酯对人体有慢性毒性。
- The catalytic synthesis of dibutyl adipate with organic acid, inorganic salt, solid super-acid, ion-exchange resin, HPA etc. were reviewed. 摘要综述了有机酸,无机盐,固体超强酸,阳离子交换树脂,杂多酸等催化剂催化合成己二酸二丁酯的方法。
- The best reaction condition are determined when synthesizing dibutyl maleate by using sloid chloride as catalyst. 提出了以固体氯化物为催化剂合成马来酸二丁酯的最佳反应条件。
- Synthesis of dibutyl sebacate from decanedioic acid and butanol by a self-made catalyst. 采用自制的催化剂,运用条件实验法,以癸二酸、正丁醇为原料直接酯化合成癸二酸二丁酯。
- Toluene is a colorless liquid used as a solvent, formaldehyde helps harden nails and dibutyl phthalate is a plasticizer that makes nail polish flexible. 甲苯是一种无色液体,用做溶媒;甲醛帮助硬化指甲;而邻苯二甲酸二丁酯是一种增塑剂,增强指甲油的柔韧性。
- A new solid acid based on heteropolyacid has been proved to be a useful catalyst for the synthesis of dibutyl maleate. 新催化剂在顺丁烯二酸二丁酯的合成反应中显示很好的活性和温和的反应条件。
- Synthesis of dibutyl maleate from maleic anhydride and n-butyl alcohol on PTSA/PANI was studied. 以PTSA/PANI为催化剂、马来酸酐和正丁醇为原料合成马来酸二丁酯。
- The results showed that under the test conditions, the above two intensifying measures can improve the effect of refining and increase the yield of refined oil. For both DBPC and DBSS, the suitable concentrations were all 0.02% in wt. of the furfual. 研究结果表明,在试验条件下,上述两项强化措施可改善精制效果并提高精制油收率,DBPC和DBSS的最适宜加入量(占糠醛的质量分数)均为0.;02%25。
- In this paper the catalylic activity of solid chloride for the reaction of synthesis of dibutyl maleate is studied. 研究了几种固体氯化物在合成马来酸二丁酯反应中的反应活性;
- A novel method was developed to prepare porous chitosan membranes with dibutyl phthalate as the porogen. 以邻苯二甲酸二丁酯为致孔剂,制备了多孔壳聚糖膜。
- Synthesis of dibutyl sebacate with phosphorictungs acid as catalyst was studied. 以磷钨酸为催化剂,用癸二酸、正丁醇为原料制备癸二酸二丁酯。
- To develop a method for the determination of Dibutyl Phosphate(DBP) in the air of workplaces. 目的发展适合于作业场所空气中磷酸二丁酯(DBP)的测定方法。
- Objective To assess the safety of use of plastic enhancing agent dibutyl phthalate. 目的评价塑料增塑剂使用的安全性。
- Sulfamic acid instead of sulfuric acid as a catalyst for synthesis of dibutyl maleate was reported. 用氨基磺酸催化合成了顺丁烯二酸二丁酯,酯收率为94%25。
- The wheat flour was suspended in agar sol containing dibutyl phthalate and made into suspension. 将面粉悬浮于含有邻苯二甲酸二丁酯的琼脂胶体中而制成悬浮液。
- Dibutyl maleate is prepared from maleic anhydride and n-butyl alcohol in the presence of ammonium ferric sulfate dodecahydrate. 在十二水合硫酸铁铵存在下由顺丁烯二酸酐和正丁醇制备了顺丁烯二酸二丁酸。
- In this paper the synergistic extraction by a mixture of tributyl phosphate (TBP) and dibutyl butyl phosphonate (DBBP) for uranyl nitrate is studied. 本文研究了磷酸三丁酯和丁基膦酸二丁酯煤油溶液对硝酸铀酰的协同萃取。 发现在萃取剂克分子比TBP:DBBP=5:1时出现明显的协同效应;