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1)  dihydrobutanedioic acid
二羟基丁二酸
2)  hydroxybutanedioic acid
羟基丁二酸
3)  2,3-dihydroxybutanedioic acid
2,3-二羟基丁二酸
1.
The title complex [Cu4(dhbd)2(dpphen)4?2H2O]?8H2O (H4dhbd=2,3-dihydroxybutanedioic acid, dpphen=4,7-diphenyl-1,10-phenanthroline) has been hydrothermally synthesized and characterized by means of single crystal X-ray diffraction, elemental analysis, IR and TGA analysis.
利用水热法合成了标题配合物[Cu4(dhbd)2(dpphen)4?2H2O]?8H2O(H4dhbd=2,3-二羟基丁二酸,dpphen=4,7-二苯基-1,10-邻菲咯啉),通过元素分析、红外光谱、热分析、X射线单晶衍射等技术对其进行了表征。
2.
The title complex [Cu2(dhbd)2·2H2O]·4H2O(H4dhbd=2,3-dihydroxybutanedioic acid) has been hydrothermally synthesized and characterized by means of elemental analysis,single crystal X-ray diffraction,IR.
4H2O}n(其中H4dhbd=2,3-二羟基丁二酸),通过元素分析、X-射线单晶衍射、红外光谱等技术对其进行了表征。
4)  Di-ethylα,β-dihydroxysuccinate
2,3-二羟基丁二酸二乙酯
5)  dimethylolbutyric acid
二羟甲基丁酸
1.
Compared with non-modified polyurethane,the results show that the hardness,water resistance and mechanical properties are greatly improved with epoxy resin,and mechanical properties,hardness and water resistance of the films are better by using dimethylolbutyric acid(DMBA.
用二羟甲基丁酸(DMBA)替代二羟甲基丙酸(DMPA)作亲水剂制备的改性WPU乳液,其乳液性能、涂膜的硬度及其耐水性能更佳。
2.
Dimethylolpropionic acid(DMPA) and dimethylolbutyric acid(DMBA) were introduced into polyurethanes(PU) latex as anionic internal emulsifiers and their effects on the properties of anionic polyurethane emulsion(APU) and latex film were invesigated.
分别选用二羟甲基丙酸(DMPA)和二羟甲基丁酸(DMBA)作为内乳化剂制备阴离子型聚氨酯乳液,测试研究了两种乳化剂对聚氨酯乳液各种性能的影响。
6)  Copper(II) malate
羟基丁二酸铜(II)
补充资料:二羟基丁二酸二钠
分子式:C4H4NA2O6
分子量:194.05
CAS号:

密度:1.818(二水)
性状:二水合物为正交晶系无色或白色柱状结晶,无臭,有咸味。
溶解情况:不溶于乙醇、乙醚,溶于水。
用途:食品添加剂、螯合剂及酸味调整剂,用于清凉饮料、清酒等。
制备或来源:用碳酸钠或氢氧化钠中和酒石酸而得。
备注:有三种旋光异构体。常见为二水物。在150℃失去结晶水。无水物在干燥空气中稳定。


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