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- pyromellitic diimide 苯均四酸二亚酰胺
- Objective It is to synthesize and characterize the poly(pyromellitic acid-dodecanediol) ester. 目的合成聚均苯四甲酸十二烷二醇酯,并对其进行表征。
- Methods: Diester,diimide and dipeptide mimic compounds were synthesized by conjugated the amino groups and acid groups with diols or diacids links. 方法:通过酯化、酰胺反应由不同的二醇或二酸连接加巴喷丁和普瑞巴林合成二酯、酰胺、拟肽类等化合物。
- Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized. 以氯化亚矾及均苯四甲酸酐为主要原料通过酰氯法合成了对位均苯二甲酯二酰氯。
- The poly(urethane-imide) (PUI) which uses isophorone diisocyanate, dispersed red 19 (DR-19), and pyromellitic dianhydride is synthesized. 以异佛尔酮二异氰酸酯，分散红-19和均苯四甲酸二酐合成聚氨酯-酰亚胺（PUI）；
- A series of poly(amic acid)s based on pyromellitic dianhydride (PMDA) and oxydiphthalic tetracarboxylic dianhydride (ODPA) was prepared in different solvents. 在不同溶剂中合成了一系列均苯二酐 ( PMDA)型和二苯醚二酐 ( ODPA)型聚酰胺酸 ( PAA) .
- A new ketone resin is prepared from residuum of cyclohexanone rectification and formaldehyde with compound acid as catalyst,it is modified with pyromellitic dianhydride. 以环己酮精馏残渣和甲醛为原料，用复合酸作催化剂，通过均苯四甲酸酐改性，合成一种新的酮树脂。
- The history and development is revie wed for PMDI as binders in manufactur e of wood -based panel.such as fiberboard in which of the properties of PMDI and the proble ms in the application of it. 介绍聚合MDI作为粘合剂应用于人造板加工业的起源、发展、特点及工业化中尚存在的一些问题及解决方法。
- The invention relates to a method for synthesizing planar chiral diferrocene phosphine diimide, and this ligand contains diimine and has a planar chiral diferrocene structure. 本发明涉及一类平面手性双二茂铁膦二亚胺的合成方法及应用。该类配体含有双亚胺和具有平面手性的双二茂铁结构。
- The feasibility of manufacturing rice-straw particleboard was discussed when UF resin or the mixtures of UF resin and polymethylene diphenyldiisocyanate (PMDI) were used as binders. 探讨了以腺醛(UF)胶和以异氰酸酯(PMDI)改性的UF胶制造稻草刨花板的可行性。
- The application and production process of pyromellitic dianhydride are presented,and the recycle and application of the waste in manufacture was emphasized. 本文介绍了均苯四甲酸二酐的用途和生产过程,同时重点介绍了生产中废料的回收利用。
- Based on 26B4APBN monomer,polyamic acid was obtained by polymerization with pyromellitic dianhydride(PMDA),and further imidized into polyimide(PI) film by heating process. 由二胺单体和均苯四甲酸二酐(PMDA)进行聚合得到26B4APBN/PMDA聚酰胺酸,再经热亚胺化得到聚酰亚胺薄膜;
- The methods of collecting pyromellitic dianhydride which is low concentration from the high temperature reaction gas prepared by the gas phase catalytic oxidation of durene are introduced. 介绍了从均四甲苯固定床气相氧化法的高温反应气中捕集低浓度的均苯四甲酸二酐的各种方法。
- The working principles,structure,and heat transfer characteristics of the gravity heat pipe heat exchangers,and their application in production of pyromellitic dianhydride anhydride were presented. 介绍了重力热管换热器的工作原理、结构和传热特性,以及重力热管换热器在均苯四甲酸二酐生产中的应用情况。
- hydrogenated pyromellitic anhydride 氢化均苯四甲酸二酐
- salbutamol pressurized metered - dose inhalers ( s - pMDI) 沙丁胺醇气雾剂
- Keywords Straw;Straw based panel;PMDI adhesive;Recent development; 秸秆;秸秆板材;PMDI胶粘剂;发展近况;
- Pyromellitic Dinahydride AnhYdride 均苯四甲酸二酐
- Recovery and Determination of Pyromellitic Acid in Wastewater 废水中均苯四甲酸的回收与测定
- Keywords organic photovoltaic cells;perylene diimide;acceptors; 有机光伏电池;苝二酰亚胺;受体;
