聚酰胺

The mixed trimeric compounds containing one ferrocene unit, N,N'-bis(2-hydroxy-5-substituted benzylidene)ferrocenylmethylenediamine, have been synthesized directly through the reaction between 1 mol of ferrocenecarboxaldehyde and 2 mol of 5-substituted salicylaldehyde.

通过甲酰基二茂铁与取代水杨醛和氨反应，直接合成了含一个二茂铁的混合三聚产物， N，N'-二[2-羟基-5-取代苄烯]二茂铁甲二胺。

The emission amount of tail gas in polyisobutylene succinimide production is very large,and the concentration of oil in the recovered chlorhydric acid by absorption is too high to sell.

针对聚异丁烯丁二酰亚胺生产工艺中废气排放量大、尾气吸收得到的盐酸含油量高、难以销售等问题，在分析原因的基础上，对尾气吸收系统进行了技术改进。

Reverse osmosis composite membrane was prepared by interfacial polymerization of metaphenylene diamine with trimesoyl chloride on the surface of polysulfone support.

以聚砜超滤膜为支撑膜，间苯二胺为水相功能单体，均苯三甲酰氯为油相功能单体，通过界面聚合法制备了反渗透复合膜。

The results showed that the epoxy resin with polyphosphoric cyanamine urea had better flame retardancy and smoke suppression than pure epoxy resin.

研究结果表明，聚磷酰氰胺脉对环氧树脂具有非常优异的阻燃、抑烟功效。

The improvement of PEIs in heat and solvent resistance, impact resistance, flame retardance and flow processing characteristic was reviewed.

从耐热性和耐溶剂性、抗冲击性、阻燃性、加工流动性等方面概述了聚醚酰亚胺的性能改进进展。

An improved process for producing polyisobutylene succinimide used in emulsion explosive was introduced.

介绍了一种经过改进的乳化炸药用聚异丁烯丁二酰亚胺的生产工艺。

A high molecular weight polyisobutenyl succinimide dispersant with high nitrogen content and good thermal and oxidative stabilities was developed.

采用氯化烃化工艺和后偶联反应技术开发了一种氮含量高、热稳定性和氧化稳定性好的高相对分子质量的聚异丁烯基丁二酰亚胺分散剂。

Effects of viscosity adjusting agents on morphology of epoxy resin/4,4′-diamino diphenyl sulphone/ polyetherimide blends and preparation of EP microspheres are studied.

研究粘度调节剂对环氧树脂/二氨基二苯基砜/聚醚酰亚胺共混物相结构及制备EP微球的影响。

A composite rigid shell, with an aerodynamic profile, elongated longitudinally along the span of the blade, one longitudinal end of which is turnable towards a hub of the rotor and includes a blade root, said shell including at least one layer of reinforcing fibres agglomerated by a matrix comprising a synthetic rigidifying resin and laminated upper-surface and lower-surface skins extending from a leading edge to a trailing edge of the blade, each of said laminated skins comprising, from an inside towards an outside of the shell, a film of polyetherimide resin, at least one layer of plies of long and unidirectional fibres oriented substantially along a longitudinal axis of the blade, and at least one layer of fibre fabric, in which the directions of weft and warp yarns are oriented substantially at 45.degree.

复合刚性外壳，与气动的个人资料，拉长纵向沿跨度刀片，一纵年底，这是对回转中心的转子和包括叶根表示，蚬壳，其中至少1层加固纤维烧结由一个矩阵组成的一个综合rigidifying树脂和复合材料层合上表面和低表面皮肤延长，从领先到尾缘的刀片，每个说，叠层皮组成，从内对外界的壳，一个电影聚醚酰亚胺树脂，至少有一个层的层长和单向纤维导向的大幅沿长轴的叶片，并至少有一个层的纤维织物，在该方向的纬纱和经纱是面向大幅在45.degree 。

A series of imides oligomers were synthesized with the phenylethynylphthalic anhydride , nadic anhydride and cyanophthalic anhydride as endcapped agents.

我们以苯乙炔苯酐、降冰片烯二酸酐和氰基苯酐为封端剂合成了一系列的酰亚胺低聚物。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。