查询词典 polyimide

As one of the most promising functional polyimide materials, fluorinated polyimides gained much attention i...

含氟聚酰亚胺的研究是目前聚酰亚胺功能化研究中最为引人注目的热点之一。

The measuring method for refractive index dependence on temperature and for dispersion characteristic of the fluorinated polyimide film is also reported

同时报道了含氟聚酰亚胺薄膜波导的制备工艺及其温度特性和色散特性的测试。

A polyimide layer overlies the IMD layer.

聚亚酰胺层位于内金属介电层上。

As a result of thermal analysis of monomers,it is indicated that monomer 8 (9),which exhibits high volatility,can be thermally polymerized to polyimide ...

结果表明，单体4、单体7和单体8(9)在升温的过程中能发生热聚合生成聚酰亚胺。

The invention provides a method of preparation ultrathin self-supporting polyimide light sieving film.

本发明提供了一种制备超薄自支撑聚酰亚胺滤光薄膜的方法。

The synthesized polyimide membrane showed good nanofiltration performance for organic mixtures of lubricant oil with acetone and benzene solvents.

操作压力为2 MPa下稳态操作时，该膜对酮苯脱蜡工艺后的溶剂与润滑油基础油混合物的截留率达66％，通量为4.26 L/（m2·h），为有机溶剂体系的纳滤膜分离技术的工业应用提供了基础。

We have synthesized 4,4'-dinitro-3 4''-dimethyl triphenylamine,(1), in 84% yield in an one-step condensation process between 3,4-dimethyl aniline and 4-fluoro-nitrobenzene. After the auto-oxidation of (1) and the subsequent hydrogenation of the nitro-groups, an AB2 type triphenylamine polyimide intermediate bearing two amine groups and one acid-anhydride group each on individual phenyl ring,{AB2 PI Intermediate}, was prepared successfully. The yields of the autoxidation and the hydrogenation steps are 81% and 90% respectively.

中文摘要本研究以3，4-二甲苯胺及4-氟硝基苯为原料，经一步骤缩合反应得到产率为84 %之4，4'-二硝基-3&，4&-二甲基三苯胺(1)，由(1)经自氧化法后再以氢化法还原硝基，成功地制备出带有二胺基与一羧基的三官能基之AB2型三苯胺中间体(AB2型PI中间体)，自氧化反应与氢化法的产率各为81%及90%。

Plastic products: ultra-thin double-sided tape, strong double-sided tape, high temperature double-sided tape, conductive double-sided tape, two-sided thermal tape, high temperature Teflon tape, high temperature U.S. profile tape, high-temperature polyimide tape, thermal insulation Tape, copper, aluminum foil conductive tape, security tape, waterproof tape, security tape, anti-static tape, anti-skid, the earthquake belt, protective film, fiber tape, spray adhesive tape, leather belt, Buwen tape, Mara tape, electrical Tape, cloth tape acetate, glass cloth tape, Rainbow tape, tape-free knife, tape closures Jian, floor tape, shading tape, fingerprint tape, retaining wall tape, sealing tape, stickers, unleaded green belt, all kinds of Insulation, high temperature, UL certification profiled materials, the plastic, die-cutting process.

胶带类产品：超薄双面胶带、强力双面胶带、高温双面胶带、导电双面胶带、导热双面胶带、铁氟龙高温胶带、高温美纹胶带、聚酰亚胺高温胶带、导热绝缘胶带、铜箔、铝箔导电胶带、防伪胶带、防水胶带、防盗胶带、防静电胶带、防滑、防震胶带，保护膜、纤维胶带、喷涂胶带、牛皮胶带、布纹胶带、玛拉胶带、电工胶带、醋酸布胶带、玻璃布胶带、彩虹胶带、免刀胶带、封缄胶带、地板胶带、遮光胶带、指纹胶带、挡墙胶带、封箱胶带、不干胶、无铅环保胶带，各种绝缘、耐高温、UL认证异形材料、上胶、模切加工。

The array chip takes a flexible transparent polyimide thin membrane as the base, the lower surface can form a cross comb-shaped array multimicroelectrode, the electrode group is composed of two comb-shaped microelectrode array electrodes which are mutually crossed but not contacted with the electrical structures not being connected, and the microchannel between the both internal electrodes of the electrode group serves as the service passage; the array chip is inversely buckled on the fusion pool, and the cross comb-shaped array multimicroelectrode on the array chip correspondes to the cell electric fusion pool and falls in the cell electric fusion pool.

阵列芯片以柔性透明聚酰亚胺薄膜为基底，下表面通过蚀刻形成交叉梳状阵列化微电极组，电极组由两个相互交叉、互不接触、电气结构上互不连接的梳状微电极阵列电极构成，电极组内部微电极之间的微通道为工作通道；阵列芯片倒扣于融合池上，其上的交叉梳状阵列化微电极组与细胞电融合池相对应，落于细胞电融合池中。

The tests of parasitic conduction current and TSC to polyimide used in inverter-fed motor have been done.

通过TSC曲线可以比较方便地研究介质材料中偶极子和可动离子的性质，准确地测量介质材料的活化能ΔE、以及弛豫时间τ等微观参数，近年来得到了人们广泛的重视[5-7]。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。