The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.
介绍用甲醇醇解法把聚酯或共聚酯解聚成二元酸二甲酯和二元醇。
Activated carbon fiber(ACF) was used to purified glutaric acid from the mixture of binary acids(DBA), and by recrystallization the end production glutaric acid was purified.
通过活性碳纤维（ACF）处理柱来分离混合二元酸（DBA）中有色物质，然后重结晶提纯分离戊二酸。
By adopting the method, the diphenol monomers with a macromolecular structure can be polymerized with the binary acid monomer to obtain the highly heat-resistant and transparent polyester material.
通过上述方法可将具有巨大分子结构的二酚单体与二元酸单体聚合，得到高耐热且透明的聚酯材料。
Diethylene glycol binary m-methyl benzoate was synthesized with diethylene glycol and m-methyl benzoic acid in the presence of tetrabutyl titanate.
以间甲基苯甲酸和二甘醇为原料，钛酸四丁酯为催化剂合成了二乙二醇二间甲基苯甲酸酯。
The binary and ternary solid complexes of rare earth Eu3+ and La3+ with pyridine-2 , 6-dicarboxylic acid(H2DPC) and 1, 10-phenanthroline are synthesized.
合成了稀土铕、镧与吡啶-2，6二甲酸形成的二元配合物及铕与邻菲罗啉和吡啶-2，6二甲酸形成的三元配合物。
In this paper, we have studied the adsorption of benzoic acid and anthracene from binary mixed solvents; on silica gel and activated carbon.
本文研究了硅胶和活性炭从二元混合溶剂中吸附苯甲酸和蒽。
Vanillic acid is the third monomer suitable for modifying PHB/PET binary copolyester.
香草酸是最适合于PHB/PET体系共聚改性的第三单体。
The invention relates to a binary alkyl benzene sulfonic acid rare earth catalyst, a preparation method and the application thereof.
本发明涉及二元烷基苯磺酸稀土催化剂及制法和应用。
The invention relates to a binary alkyl benzene sulfonic acid rare earth catalyst, a preparation method and the application thereof.
本发明涉及二元烷基苯磺酸稀土催化剂及制法和应用。
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