The polyester or copolyester can be converted into dimethyl terephthalate of binaryacid 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。
2
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。
3
By adopting the method, the diphenol monomers with a macromolecular structure can be polymerized with the binaryacid monomer to obtain the highly heat-resistant and transparent polyester material.