用途
四甲基双酚A可用于合成二胺单体2,2-双[3,5-二甲基-4-(4-氨基苯氧基)苯基]丙烷(TBAPP)。在N,N-二甲基乙酰胺(DMAc)溶剂中,TBAPP分别与多种二酐进行缩合反应。得到的聚酰胺酸在热作用下脱水环化成聚酰亚胺。
生产方法
四甲基双酚A的制备方法包括以下步骤:
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
双酚A | BPA | 80-05-7 | C15H16O2 | 228.291 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 1,4-diallyl tetramethyl bisphenol A | —— | C25H32O2 | 364.528 |
—— | 4-[1-(4-acetoxy-3,5-dimethylphenyl)-1-methylethyl]-2,6-dimethylphenyl ester | 5769-93-7 | C23H28O4 | 368.473 |
双酚A | BPA | 80-05-7 | C15H16O2 | 228.291 |
—— | 2,2'-(4,4'-(propane-2,2-diyl)bis(2,6-dimethyl-4,1-phenylene))-bis(oxy)bis(methylene)dioxirane | —— | C25H32O4 | 396.527 |
—— | 2-[4-[2-[4-(2-Formyl-3-methoxyphenoxy)-3,5-dimethylphenyl]propan-2-yl]-2,6-dimethylphenoxy]-6-methoxybenzaldehyde | 1221407-35-7 | C35H36O6 | 552.667 |
PROBLEM TO BE SOLVED: To provide a method for readily and inexpensively preparing a polyamide and a polyimide which have solubility and are readily modified.
SOLUTION: The method for preparing a fluorinated polyamide having a flexible structure on a chain comprises using a diamine monomer and subjecting the compound, a condensing agent, different dioxides and different dianhydrides to direct polycondensation reaction to give a series of a new polyamide and polyimide containing fluorine. A polyamide having a structure represented by the formula is obtained by reacting various dicarboxylic acid monomers in the presence of calcium chloride, triphenyl phosphite, pyridine and N-methyl-2-pyridone at 130°C for three hours. A fluorinated polyimide is similarly obtained.
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