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- pyromellitic diimide 苯均四酸二亞酰胺
- 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,并對其進(jìn)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:通過(guò)酯化、酰胺反應由不同的二醇或二酸連接加巴噴丁和普瑞巴林合成二酯、酰胺、擬肽類(lèi)等化合物。
- Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized. 以氯化亞礬及均苯四甲酸酐為主要原料通過(guò)酰氯法合成了對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. 以異佛爾酮二異氰酸酯，分散紅-19和均苯四甲酸二酐合成聚氨酯-酰亞胺（PUI）；
- A series of poly(amic acid)s based on pyromellitic dianhydride (PMDA) and oxydiphthalic tetracarboxylic dianhydride (ODPA) was prepared in different solvents. 在不同溶劑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. 以環(huán)己酮精餾殘渣和甲醛為原料，用復合酸作催化劑，通過(guò)均苯四甲酸酐改性，合成一種新的酮樹(shù)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. 介紹聚合MDI作為粘合劑應用于人造板加工業(yè)的起源、發(fā)展、特點(diǎn)及工業(yè)化中尚存在的一些問(wèn)題及解決方法。
- 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. 本發(fā)明涉及一類(lèi)平面手性雙二茂鐵膦二亞胺的合成方法及應用。該類(lèi)配體含有雙亞胺和具有平面手性的雙二茂鐵結構。
- 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. 探討了以腺醛(UF)膠和以異氰酸酯(PMDI)改性的UF膠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. 本文介紹了均苯四甲酸二酐的用途和生產(chǎn)過(guò)程,同時(shí)重點(diǎn)介紹了生產(chǎn)中廢料的回收利用。
- Based on 26B4APBN monomer,polyamic acid was obtained by polymerization with pyromellitic dianhydride(PMDA),and further imidized into polyimide(PI) film by heating process. 由二胺單體和均苯四甲酸二酐(PMDA)進(jìn)行聚合得到26B4APBN/PMDA聚酰胺酸,再經(jīng)熱亞胺化得到聚酰亞胺薄膜;
- 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. 介紹了從均四甲苯固定床氣相氧化法的高溫反應氣中捕集低濃度的均苯四甲酸二酐的各種方法。
- 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. 介紹了重力熱管換熱器的工作原理、結構和傳熱特性,以及重力熱管換熱器在均苯四甲酸二酐生產(chǎn)中的應用情況。
- hydrogenated pyromellitic anhydride 氫化均苯四甲酸二酐
- salbutamol pressurized metered - dose inhalers ( s - pMDI) 沙丁胺醇氣霧劑
- Keywords Straw;Straw based panel;PMDI adhesive;Recent development; 秸稈;秸稈板材;PMDI膠粘劑;發(fā)展近況;
- Pyromellitic Dinahydride AnhYdride 均苯四甲酸二酐
- Recovery and Determination of Pyromellitic Acid in Wastewater 廢水中均苯四甲酸的回收與測定
- Keywords organic photovoltaic cells;perylene diimide;acceptors; 有機光伏電池;苝二酰亞胺;受體;
