• 报道了顺丁烯二酸二甲苯酯二甲酸二间甲苯酯合成光谱性质

    The syntheses and spectral characteristics of bism-methylbenzene maleate and bis-m-methylbenzene phthalate is reported in this paper.

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  • 通过苯酚碳酸交换反应合成了碳酸甲苯酯采用减压精馏对其进行了分离提纯,得到纯度>99.5%的碳酸甲苯

    Methyl phenyl carbonate(MPC) was prepared by transesterification of dimethyl carbonate(DMC) with phenol and the product with a purity exceeding 99.5% was obtained by vacuum distillation.

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  • 另外公司可提供各种品牌进口甲苯二异氰酸

    In addition, the company also offers a variety of brands of imported toluene diisocyanate.

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  • 采用高真空两级薄膜蒸发分离甲苯二异氰酸TDI)-三甲基丙烷TMP聚氨固化剂中游离TDI实验研究基础上,进行了中试研究。

    The free toluene diisocyanate(TDI) in the curing agent TDI-TMP(Trimethylol Propane) of polyurethane was separated in laboratory by means of high-vacuum two-stage thin-film evaporation.

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  • 利用正交设计研究丙烯酸十六原料甲苯磺酸为催化剂采用微波加热法合成丙烯酸十六

    The orthogonal design was utilized to study the hexadecyl acrylate synthesis by microwave irradiation using acrylic acid and hexadecyl alcohol as raw materials and toluene-p-sulfonic acid as catalyst.

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  • 探讨了以负载型对甲苯磺酸为催化剂合成乙二醇硬脂酸的工艺。

    The synthesis of ethylene glycol mono stearate by supported p-toluene sulfonic acid was investigated.

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  • 甲苯磺酸酸水解羧酸基和烃羧酸高碳醇双官能基硅油并和碱性水解的效果比较

    The modified silicone was hydrolysed by toluene-p-sulfonic acid, and the hydrolysis ratios in acid and base were compared.

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  • 所用的二异氰酸包括甲苯二异氰酸

    The diisocyanates used have included toluene diisocyanate.

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  • 分析了由TDI(甲苯二异氰酸)闪蒸除氧器冷凝水管道泄漏原因提出解决方法

    The reason for leakage of condensate pipeline from toluene diisocyanate (TDI) flash tank to deaerator is analyzed and the solution is put forward.

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  • 建立了毛细管相色谱法测定甲苯二异氰酸纯度方法

    The method that analyzes the purity of toluene diisocyanate by capillary gas chromatograph was established.

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  • 吸入病人避免进一步接触甲苯二异氰酸如果出现症状支气管扩张剂皮质类固醇

    After inhalation the patient should be kept from further contact with toluene di-isocyanate and, if symptomatic, be given oxygen, bronchodilators, and corticosteroids.

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  • 研究过氧化苯甲酰(BPO)引发剂甲苯溶剂SBS丙烯酸共聚反应。

    The grafting-copolymerization of acrylate to SBS block copolymer in toluene solution with BPO as initiator was studied.

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  • 这种混合物硝基苯硝基甲苯,二硝基甲苯三硝基苯等附加物来改性

    Such esters, or mixtures thereof may also be modified by additives such as nitrobenzene, nitrotoluence, dinitrotoluene or trinitrololuene .

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  • 目的观察甲苯二异氰酸(TDI)气道反应性的影响

    Objective to observe the airway responsiveness changes influenced by toluene diisocyanate (TDI).

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  • 草酸正丁醇原料,采用颗粒状活性炭固载对甲苯磺酸作催化剂合成草酸

    Dibutyl oxalate was synthesized with oxalic acid and n-butanol as raw materials and p-toluene sulphonic acid supported on granular active carbon as the catalyst.

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  • 实验研究工作以四针状氧化锌晶须为填料,以聚乙烯醇聚甲基丙烯酸甲基体,以甲苯溶剂,制备出了性能良好的导电膜。

    In the study on manufacture of the composites, tetrapod-like ZnO whiskers, PAV and PMMA, water and toluene, are employed as conductive fillers, matrix materials and solvents respectively.

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  • 甲苯二异氰酸TDI异氰酸化合物中应用广泛品种之一,其工业生产主要采用光化法。

    Toluene diisocyanate (TDI) is one of the most useful kinds of isocyanateth that is produced by the method of phosgenation of amine.

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  • 介绍了苯甲酸改性含羟基树脂甲苯二异氰酸TDI聚物的合成工艺以及二者制成醇酸型聚氨涂料的方法;

    The synthetic process of a prepolymer based on benzoic acid modified hydroxyl alkyd resin and toluene diisocyanate (TDI) prepolymer and the coatings made from this prepolymer has been described.

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  • 介绍二苯甲烷二异氰酸(MDI)、多元醇、甲苯磷酸三丁原料合成橡胶地毯静电植绒胶中试工艺路线。

    The technology of pilot scale run of electrostatic flocking onto rubber rug with MDI, polyols, toluene and tributyl phosphate as the raw materials was reviewed.

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  • 结果样品中易挥发主要成分甲苯丁酮汽油醋酸丙酮急性毒性分级低毒

    Results Those samples ingredients easy to volatilize were mainly toluene, butanone, gasoline, ethyl acetate, acetone, etc. All of them were rated as low toxic for their acute toxicity.

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  • 以聚醚多元醇石油沥青甲苯二异氰酸稀释剂相溶化助剂为原料,制备一种湿固化组分防水涂料

    A moisture curable one component waterproof coatings was prepared from polyether polyols, petroleum asphalt, toluene diisocyanate, diluent and a compatibility modifier, etc.

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  • 研究2,4-甲苯二异氰酸小鼠急性毒性以及小鼠骨髓多染红细胞微核的影响。

    Studied the acute toxicity effect of 2,4tolylene diisocyanate on mice by mouth and the influence of micronucleus frequency of mice bone marrow.

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  • 混合聚醚多元甲苯二异氰酸主要原料环氧树脂羟基丙烯酸树脂为改性合成了湿固化聚氨涂饰剂。

    The moisture cured polyurethane was synthesized with mixing polyether diol, toluene diisocyanate (TDI) as main raw materials, epoxy resin and hydroxy acrylic resin as modifiers.

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  • 甲酚氯化磷原料催化剂作用合成甲苯磷酸

    Tricresylphosphate was synthesized under the function of phase transfer catalyst, based on the raw materials of sodium cresol and phosphorus oxychloride.

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  • 醇和乙酸为原料,甲苯磺酸作催化剂甲苯为带水剂,合成三醋酸甘油

    Glycerol triacetate was synthesized from glycerol and acetic acid using p -toluene sulphonic acid as catalyst and toluene as water-carrying agent.

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  • 研究表明甲苯二异氰酸对聚乙烯醇缩醛胶粘剂水性改性可行并且提高胶粘剂粘接强度

    The results of this paper have shown that it is successful for improvement on the water proof and adhesive strength of PVF with TDI.

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  • 采用半封闭的甲苯二异氰酸作为固化剂制得了环氧树脂阴极电泳涂料

    The cathodic electrophoretic coating of epoxy resin was prepared with half blocked isocyanate as curing agent.

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  • 然后利用相似相原理选择了四种有机溶剂进行剥离实验:丙酮甲苯、二甲基甲酰胺乙酸乙

    Then, chose acetone, ethyl acetate, xylene and dimethylformamide according to solubility parameter close principle as solvents to dissolve coating finishing agents.

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  • 然后利用相似相原理选择了四种有机溶剂进行剥离实验:丙酮甲苯、二甲基甲酰胺乙酸乙

    Then, chose acetone, ethyl acetate, xylene and dimethylformamide according to solubility parameter close principle as solvents to dissolve coating finishing agents.

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