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- dibutyl paracresol 二丁基對甲酚
- Dibutyl phthalate is commonly employed as such a plasticizer. 酞酸二丁酯一般用來作為這類增塑劑。
- SYNTHESIS OF DIBUTYL ADIPATE USING CATALYST TiSiW??12? TiSiW_(12)O_(40)/TiO_2復相催化合成己二酸二丁酯
- Conclusion Dibutyl Phthalate is a slow toxicity substance. 結論鄰苯二甲酸二辛酯對人體有慢性毒性。
- The catalytic synthesis of dibutyl adipate with organic acid, inorganic salt, solid super-acid, ion-exchange resin, HPA etc. were reviewed. 摘要綜述了有機酸,無機鹽,固體超強酸,陽離子交換樹脂,雜多酸等催化劑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. 提出了以固體氯化物為催化劑合成馬來酸二丁酯的最佳反應條件。
- Synthesis of dibutyl sebacate from decanedioic acid and butanol by a self-made catalyst. 採用自製的催化劑,運用條件實驗法,以癸二酸、正丁醇為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. 甲苯是一種無色液體,用做溶媒;甲醛幫助硬化指甲;而鄰苯二甲酸二丁酯是一種增塑劑,增強指甲油的柔韌性。
- A new solid acid based on heteropolyacid has been proved to be a useful catalyst for the synthesis of dibutyl maleate. 新催化劑在順丁烯二酸二丁酯的合成反應中顯示很好的活性和溫和的反應條件。
- Synthesis of dibutyl maleate from maleic anhydride and n-butyl alcohol on PTSA/PANI was studied. 以PTSA/PANI為催化劑、馬來酸酐和正丁醇為原料合成馬來酸二丁酯。
- 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. 研究結果表明,在試驗條件下,上述兩項強化措施可改善精製效果並提高精製油收率,DBPC和DBSS的最適宜加入量(占糠醛的質量分數)均為0.;02%25。
- In this paper the catalylic activity of solid chloride for the reaction of synthesis of dibutyl maleate is studied. 研究了幾種固體氯化物在合成馬來酸二丁酯反應中的反應活性;
- A novel method was developed to prepare porous chitosan membranes with dibutyl phthalate as the porogen. 以鄰苯二甲酸二丁酯為致孔劑,製備了多孔殼聚糖膜。
- Synthesis of dibutyl sebacate with phosphorictungs acid as catalyst was studied. 以磷鎢酸為催化劑,用癸二酸、正丁醇為原料製備癸二酸二丁酯。
- To develop a method for the determination of Dibutyl Phosphate(DBP) in the air of workplaces. 目的發展適合於作業場所空氣中磷酸二丁酯(DBP)的測定方法。
- Objective To assess the safety of use of plastic enhancing agent dibutyl phthalate. 目的評價塑料增塑劑使用的安全性。
- 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順丁烯二酸二丁酯,酯收率為94%25。
- The wheat flour was suspended in agar sol containing dibutyl phthalate and made into suspension. 將麵粉懸浮於含有鄰苯二甲酸二丁酯的瓊脂膠體中而製成懸浮液。
- Dibutyl maleate is prepared from maleic anhydride and n-butyl alcohol in the presence of ammonium ferric sulfate dodecahydrate. 在十二水合硫酸鐵銨存在下由順丁烯二酸酐和正丁醇製備了順丁烯二酸二丁酸。
- 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對硝酸鈾醯的協同萃取。 發現在萃取劑克分子比TBP:DBBP=5:1時出現明顯的協同效應;