聚脲
- 网络polyurea;SPUA;PUR
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极压聚脲基润滑脂在CSP薄板坯连铸机上的应用
Application of Extreme Pressure Polyurea - Base Grease in CSP Sheet Blank Continuous Casting
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红外光谱分析证明,壁材料聚脲是由TDI及EDA两种单体形成的。
FTIR spectra proved the formation of wall material , polyurea , from the two monomers , TDI and EDA .
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高强喷涂聚氨酯(脲)弹性体的研制可UV固化的超支化聚脲涂料的合成
Development of High-intensity Spray Polyurethane ( Polyurea ) Elastomer The Synthesize Of UV-Cured Hyperbranched Urea Acrylate Coating
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不同硬段含量RIM嵌段聚脲成型的研究
A Study of the Molding of RIM Segmented Polyureas of Different Hard Segment Content
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采用1HNMR对聚脲样品及磺化改性后样品的化学结构进行了表征。
() ~ 1H NMR was employed to characterize the chemical structure of the sulfonated sample .
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不同硬段含量溶液聚合和RIM嵌段聚脲合成及性质的比较
Comparison of solution polymerized and rim polyureas synthesis and properties for different hard segment content
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TiO2聚脲微胶囊的制备及性能
Preparation and Properties of TiO_2 Microencapsulated in Polyurea
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同一硬段含量的聚脲,用ED系列氨基聚醚合成的聚脲综合力学性能更好。
As to the same hard segment content polyurea , which synthesized with the amino polyether of ED series had better mechanical performances .
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300m级拱坝喷涂聚脲防渗仿真模型试验及应用
Simulation model test of spraying polyurea as anti-seepage layer on 300-m high arch dams and its application
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这些PAE聚脲是具有一定强度、模量和硬度的弹性体材料。
These polyureas are elastomer coating materials with high strength , modulus and hardness .
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TGR聚脲润滑脂的研究与工业应用
A study on TGR polyurea grease and its industrial application
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用甲苯2,4二异氰酸酯(TDI)为壁材原料,利用界面聚合法在不同条件下制备了一系列TiO2聚脲微胶囊。
A series of TiO 2 polyurea microcapsules were prepared at different conditions by interfacial polymerization with 2,4 toluene diisocyanate ( TDI ) as wall material precursor .
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聚脲多元醇PHD的生产工艺复杂,在普通实验室和工厂合成较为困难。
The manufacture of polyurea polyol ( PHD ) is so complex that the preparation of title compound is difficult in common laboratory and plant .
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聚脲技术(SprayPolyureaElastomer,简称SPUA)被公认为桥梁混凝土涂层防护最有效的方法。
Polyurea technology ( Spray Polyurea Elastomer , abbr. as SPUA ) is recognized as most effective way of coating protection for the bridge concrete .
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采用4,4′-二苯甲烷二异氰酸酯(MDl)和间苯二胺为单体,经两步法溶液聚合制备了芳香族聚脲。
Aromatic polyureas were synthesized from 4,4 ′ - diphenylmethane diisocyanate and m-phenylene diamine by two step solution polymerization .
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喷涂聚脲弹性体(SprayPolyureaElastomer,以下简称SPUA)技术是国外近十年来,为适应环保需求而研制、开发的一种新型无溶剂、无污染的绿色施工技术。
Spray Polyurea Elastomer ( SPUA ) technology is a new solvent-free and pollution-free green construction technique to meet the needs of environmental protection over the past decade on abroad .
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以MDI、液化MDI、聚醚多元醇、端氨基聚醚及肢类扩链剂等为原料,研制了一种喷涂型耐磨聚脲弹性体SPUA-102。
Wear-resistance spray polyurea elastomer SPUA-102 was prepared from MDI , liquified MDI , polyether polyol , polyether polyamine and polyamine chain-extender .
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从测定的此聚合物对液晶分子定向性能参数可知,聚脲酰亚胺是一类可供TNLCD、HTNLCD等显示器生产的良好的定向膜材料。
From the values of the alignment ability of this material for liquid crystal , it could be concluded that polyureas-imide was a sort of good alignment film material for TN-LCD or H TN-LCD etc.
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通过海洋大气环境户外暴晒老化试验和盐雾加速老化试验,试验研究了不同硬段含量的聚天冬氨酸酯(PAE)聚脲涂层的耐海洋环境老化性能。
Polyurea coatings with different contents of hard segment polyaspartic ester ( PAE ) were investigated through aging tests of marine environment outdoor exposure and salt fog testing .
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通过FT-IR、DSC、SEM以及拉伸等测试手段,研究了硬段含量对聚脲羰基氢键化程度、微观结构及其力学性能的影响。
The influences of hard - ( segment ) content on the degree of the hydrogen bonding of urea groups , micro-structure and properties of polyurea films were studied by means of FT-IR , DSC , SEM and tensile tester .
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首先论述了端氨基聚醚(ATPE)与多异氰酸酯的反应特性,以及制成的聚脲结构的性能特征。
The characteristic of reacting amine terminated polyether ( ATPE ) to polyisocyanate , the property profile of polyurea structure is described firstly .
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喷涂聚脲(SPUA)技术是采用专用设备,现场喷涂工艺施工的一种新技术。
A technique of spraying polyurea ( SPUA ) is a new technique using the special equipments and in situ spraying process .
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研究结果证实所试PAE聚脲的耐腐蚀性能明显优于丙烯酸酯、聚氨酯等常规涂层以及芳香族聚脲和常规脂肪族聚脲涂层,具有更好地抵抗海洋环境腐蚀的能力。
The current researches indicate that PAE based polyurea coatings have comparative better anti-aging properties than normal anticorrosion coatings , such as polyacrylate and polyurethane , and aromatic and normal aliphatic polyurea .
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以奇数尼龙、亚乙烯基二氰共聚物及聚脲为代表的发展中有机压电材料,可望明显地扩展PVDF家族的应用范围,但它们中的大多数仍待产业化。
As a representative of developing organic piezoelectric materials , odd nylons , vinylidene cyanide copolymers and polyurea , their application fields could be expanded compared with PVDF family . However , most of them need to be continuously studied for commercialization .
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喷涂聚脲(SPUA)材料是采用专用设备喷涂施工的100%固含量、无溶剂、无污染的新型绿色材料。
Spray polyurea Material is a new type green material which is sprayed with a special equipment , has 100 % solids and is solvent-free and pollution-free .
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采用快速氯离子渗透实验法(RCM法)和自然扩散法两种实验方法,研究了两种混凝土保护涂层&脂肪族和芳香族喷涂聚脲(SPUA)涂层对混凝土抵抗氯离子渗透能力的影响。
The paper use the fast test method of chloride penetration ( RCM method ) and nature soak method to research the capacity of aromatic and aliphatic polyurea ( SPUA ) coatings resist chloride penetration .
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以液体聚硫聚脲齐聚物来增韧环氧-聚酰胺体系,用DMTA和SEM研究了固化后环氧树脂的形态结构、相分离程度和增韧效果。
Liquid polysulfide polyurea oligomers were used to toughen epoxy-polyamide system . The measurement of DMTA and SEM was used to study the morphology and structure of the cured epoxy , identifying the degree of phase segregation and the effect of toughening in the cured epoxy .
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介绍了一种EPU聚脲-醋酸钙复合润滑脂,评价了该脂的高温性能、抗水性能、高温轴承寿命和极压润滑性能。
An EPU polyurea-calcium acetate composite lubricating grease is introduced and its high temperature performance , water-proof property , long bearing life under high temperature and EP property are also evaluated .
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以所合成的M-DDM粉体为囊芯、以2,4-甲苯二异氰酸酯(TDI)为壁材单体,采用界面聚合技术,首次成功制备了一种新型聚脲M-DDM微胶囊固化剂。
The achieved M-DDM was encapsulated to be a novel microcapsule-type latent curing agent by an interfacial polymerization process from the synthesized M-DDM as core material and tolylene diisocyanate ( TDI ) as wall monomer .
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以聚脲甲醛为囊壁、双酚A型环氧树脂(E-51)和正丁基缩水甘油醚(501)混合物为囊芯,采用原位聚合法合成聚脲甲醛包覆环氧树脂体系微胶囊。
A series of microcapsules were prepared by in-situ polymerization with poly ( urea-formaldehyde ) as the shell material and the mixture of epoxy resin E-51 and butyl glycidyl ether ( 501 ~ # ) as the core material .