p-aromatic copolyamide fiber 对位芳酰胺共聚纤维
p-aromatic fibers 对位芳纶
p-aromatic polyamide 对位芳香族聚酰胺
p-aromatic polyamide fiber 对位芳香族聚酰胺纤维
The resolution of DL p hydroxyphenylglycine into its D and L isomers was studied by using aromatic sulfonic acid as resolving agent and water as solvent.
以水为溶剂，取代芳磺酸为拆分剂，用诱导结晶法，经成盐、拆分、水解过程，将DL-对羟基苯甘氨酸拆分成D-对羟基苯甘氨酸。
A series of new aromatic poly(amide imide)s PI-P IV containing phthalazinone moieties are synthesized from the novel diamines I - IV by direct Yamazaki polycondensation.
设计将扭曲、非共平面的杂萘联苯结构引入聚芳酰胺亚胺的大分子主链，获得了耐高温、可溶解的新型聚芳酰胺亚胺。
The types, aromatic characters, applications and the synthetic methods of some important synthetic per-fumes from p-cresol and m-cresol were reviewed.
介绍了以对、间甲酚为原料的一些重要合成香料的种类、香气特征、用途以及主要合成方法。
应用推荐