为了满足熔融浸债工艺的要求,加入二苯砜来改善PEEK的流动性。
To meet the requirement of melt impregnation, DPS is added to improve the flow of PEEK resins.
综述了显色剂二羟基二苯砜的合成及精制方法、不同合成工艺的优缺点。
The synthesis and purification methods of dihydroxydiphenylsulfone as a developer were reviewed with 22 references, the advantages and disadvantages of different technologies were discussed.
本发明公开了一种化工技术领域的含磺酸盐基的二羧基二苯砜及其制备方法。
The invention discloses a dicarboxyl diphenyl sulfone containing sulfonate group belonging to the technical field of chemical industry and a preparation method thereof.
为了将产物与其它物料分离,通常将混合固体粉碎,首先用溶剂将二苯砜浸出,然后再经蒸馏、干燥,回收二苯砜。
In order to purify product from other substance, the solid mixtures are usually comminuted and soaked out by diphenyl sulfone, and then recover the solvent by distillation and drying.
气味来源:壬烷,邻苯二甲酸脂,正丁醛,二甲基砜,吲哚
气相色谱-质谱联用分析结果表明,DBT代谢产物中同时存在2 -HBP和二苯并噻吩砜(DBTO2)。
GC - MS analysis indicates that 2 - HBP and dibenzothiophene sulfone (DBTO2) simultaneously exist in the metabolite.
本文以聚矾和磺化聚砜共混物为膜材料,二甲基乙酰胺为溶剂,聚乙烯吡咯啉酮和邻苯二甲酸二甲酯为添加剂配制纺丝液,纺制外压中空纤维超滤膜。
This paper reported the preparation of hollow fiber UF membrane, using PS and SPS as membrane spinning materials, DMA as solvent, PVPand dimethyl phthalate as additives.
主要包括聚甲醛、聚酰胺、聚碳酸酯、ABS、聚苯醚、聚对苯二甲酸乙二酯、聚砜、聚醚砜、聚酰亚胺、聚苯硫醚等。
Include polyoxymethylene, polyamide, polycarbonate, ABS, polyphenylene oxide, polyethylene terephthalate, polysulfone, polyether sulfone, polyimide, polyphenylene sulfide and so on.
本发 明选用聚苯砜对苯二甲酰胺新材料为原料制备磺化膜材料。
By selecting the new materials of the polysulfoneamide as raw materials, the invention prepares the sulfonated membrane materials.
本发 明选用聚苯砜对苯二甲酰胺新材料为原料制备磺化膜材料。
By selecting the new materials of the polysulfoneamide as raw materials, the invention prepares the sulfonated membrane materials.
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