isocyanate的例句大全

Siloxane modified polyurethane ( PU) prepolymer was prepared by reaction between poly ( dimethylsilone) oligomers with terminal amine group and PU prepolymer, then isocyanate group was blocked with sodium bisulfite ( NaHSO 3) and thermo-reactive water-based polyurethane was obtained by dispersion method in water.

用氨丙基聚硅氧烷与PU预聚体反应生成含硅氧烷的PU预聚体，通过NaHSO3封闭NCO基，并在水中分散制得有机硅改性热反应型水基聚氨酯乳液。

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In this study, A thermoplastic polyurethane hot melt adhesives based on polyester polyol of adipic acid series as soft segments, isocyanate and chain extender as hard segments is prepared.

本研究是以己二酸系聚酯二醇为软段，二异氰酸酯与扩链剂生成的链段为硬段，制备了热塑性聚氨酯弹性体型聚氨酯热熔胶；

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The analytic results by DSC were verified by aniline titration analysis and FTIR analysis, which further indicated that it was available to block isocyanate by sodium bisulfate.

采用苯胺滴加的方法、FTIR的研究方法，验证亚硫酸氢钠封闭异氰酸酯的反应的可行性，并进一步考证了用DSC方法得到的解封闭温度的正确性。

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Study on the Adhesive Properties and Application of Moisture Curing Isocyanate Adhesive ( YQJ-S); wet surface hardenable adhesive

湿固化异氰酸酯胶粘剂（YQJ-S）胶接性能及其应用研究潮湿面可固化胶粘剂

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The catalytic effect of dibutyl tin dilaurate on thermal dissociation of blocked isocyanate crosslinkers by DSC was also discussed.

另外，还利用DSC，对二月桂酸二丁基锡对封闭异氰酸酯组分热解封温度的影响进行了讨论。

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The reactions of isocyanate with alcohol or water are the key basic reaction for isocyanate bonding to wood.

异氰酸酯分别与醇和水的反应是异氰酸酯对木材胶接固化反应的核心基础反应。

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Content of isocyanate group in waterborne polyurethane prepolymer is tested with acetone as solvent, n-dibutylamine-toluene solution as reaction liquid and ethyl acetate as thinner.

对水性聚氨酯预聚体中异氰酸酯基团的容量测定进行了研究。

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Herein, three kinds of reaction type of gelators, methylbenzene – 2,4 – bis ( N, N' – alkyl) urea derivatives were synthesized by using high reactivity of isocyanate and alkylamine.

利用甲苯二异氰酸酯与烷基胺的高反应活性，制备了三种不同烷基链长的反应型凝胶剂甲苯–2，4–二脲。

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A convenient method for synthesis of β-phenylethyl isocyanate

β-苯乙基异氰酸酯的简便合成法

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A method for preparing a polyurethane adhesive without free isocyanate monomer is introduced.

介绍了一种无游离异氰酸酯基聚氨酯胶粘剂的制备方法，采用端环氧基聚氨酯为A组分，多胺化合物为B组分。

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Due to the effect of cumulated double bond and atoms of N, O on either hand of carbon atom, isocyanate group has high reaction activities and is easy to react with compounds containing active hydrogen. That limits the use of isocyanate to some extent.

异氰酸酯基由于累积双键和碳原子两边电负性很大的氮氧原子作用，使其有较大的反应活性，容易与含活泼氢的化合物发生反应失去反应活性，这在一定程度上限制了异氰酸酯使用。

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The formation of ( NHCOO between) hydroxyl groups of polyol and isocyanate groups of PAPI was verified by FT-IR spectroscopy.

FT-IR光谱证实聚醚多元醇的OH与PAPI的NCO反应生成了氨基甲酸酯（NHCOO），但N H和CO均以氢键形式存在。

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Polyurethane foam is a type of foam materials with isocyanate and polyether ( or polyester) polyol as principal components, processed via special foaming technics, which possesses the excellent properties of light weight, heat insulation, sound absorption and shockproof etc.

聚氨酯泡沫塑料是以异氰酸酯和聚醚（或聚酯）多元醇为主要成份，经特殊发泡工艺制作而成的泡沫材料，具有质量轻、隔热、吸音、防震等优良性能。

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Hydrogels were synthesized by the crosslinking between acetic acid lignin and isocyanate ( NCO) terminated polyurethane ionomers ( IPUI).

异氰酸根封端的聚氨酯离子聚合物与乙酸木质素交联合成了一种水凝胶。

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isocyanic acid phenyl ester; phenyl isocyanate

异氰酸苯酯苯基异氰酸酯

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effects of isocyanate, chain-extender, polyether polyamine on the gelation time of spray polyurea elastomer(spuae)were investigated.

研究了异氰酸酯、扩链剂、端胺基聚醚对聚脲体系凝胶时间的影响。

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the synthesis and characteristics and reactivity traits of isocyanate adhesive were introduced in the second par.

第二章介绍了异氰酸酯粘合剂的制备、特性、化学反应特点。

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research on quantity of the by-production during the production process of methyl isocyanate

甲基异氰酸酯生产中副产物生成量研究

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isocyanic acid, methyl ester; methyl isocyanate

异氰酸甲酯甲基异氰酸酯

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The result shows that with the increase of isocyanate index ( R), hardness, tensile strength and elasticity accordingly increase, but elongation at break reduces.

结果表明：随异氰酸酯指数R的提高，微孔聚氨酯弹性体的硬度、拉伸强度和冲击弹性增加，而伸长率则下降；

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