查询词典 acrylonitrile

Key words: polymer material;acrylonitrile;itaconic acid;copolymerization;molecular weight;differential scanning calorimetry; thermogravimetry

关键 词：高分子材料；丙烯腈；衣康酸；共聚合；分子量；差示扫描量热法；热重

In the second section, with ketone and hydroxylamine hydrochloride as the starting materials, 3-aminopropanol is prepared via three steps including reaction of ketone and hydroxylamine hydrochloride , condensation of ketoxime and acrylonitrile, and hydrogenation cracking of condensation product.

第二是3-氨基丙醇的制备，由酮肟丙烯睛缩合物催化氢化裂解制得：即先以酮、盐酸羟胺为起始原料在碱性条件下合成酮肟，再与丙烯腈反应生成酮肟丙烯腈缩合物后经催化氢化裂解制得3-氨基丙醇。

The combined process of Fenton reagent, Microelectrolysis and Biological contact oxidation is proposed to treat the Acrylonitrile wastewater.

实验采用Fenton试剂氧化-微电解-接触氧化组合工艺处理丙烯腈废水。

The processes in cluding microelectrolysis, biomembrane filtration and biomembrane contact oxidation were employed to treat the water. The data of the treated water were as follows: CODcr＜750mg/L,acrylonitrile＜5mg/L,sodium thiocyanate＜ 35mg/L, pH=6-9. The treated water meets the requirements of further treatment.

生物接触氧化等工艺处理，可使出水CODcr小于750mg/L，丙烯睛小于5mg/L，硫氰酸钠小于35mg／L，pH=6－9，符合后续生化处理的进水要求。

To meet the usual customer requirements, final product acrylonitrile is stabilized with hudroquinone monomethyl ether.

为了满足通常用户的要求，最终产物丙烯晴用氢醌单甲醚进行稳定化。

N,N '- ditertbutyl nitroxyl radical, 2, 2,6,6- tetramethyl-4 - hydroxyl piperdinehy droxylamine and its nitroxyl radical, as inhibitors of the BPO- initiated copolymerization of styrene (M 1 ) with acrylonitrile (M2 ), at 60℃,has been studied.

研究了二叔丁基羟胺，二叔丁基氮氧自由基，2，2，6，6－四甲基－4－羟基哌啶羟胺和2，2，6，6－四甲基－4－羟基哌啶－1－氧自由基对过氧化苯甲酰60℃引发的苯乙烯（M1）－丙烯腈（M2）共聚合的阻聚行为。

The graft polymerization of acrylonitrile on Crosslinked polyvinyl alcohol microspheres CPVA microspheres was performed by using cerium ammonium sulfate as initiator, and grafted microspheres CPVA-g-PAN were prepared. Subsequently, the grafted PAN was converted into poly via amidoximation reaction with hydroxylamine hydrochloride as reagent, resulting in the functional microspheres CPVA-g-PAO. The chemical structure and physicochemistry characters were adequately characterized with infrared spectrum, scanning electron microscope and determining Zeta potential. The effects of main factors on the amidoximation transform reaction of the grafted PAN were researched with emphasis, and the adsorption property of the functional microspheres CPVA-g-PAO for some biomolecules was examined preliminarily with uric acid as a model biomolecule.

以硫酸铈铵为引发剂，实施了丙烯腈在交联聚乙烯醇微球表面的接枝聚合，制备了接枝微球CPVA-g-PAN，然后以盐酸羟胺为试剂，通过偕胺肟化转变，将接枝的PAN转变为聚偕胺肟，制得了接枝有聚偕胺肟的功能微球CPVA-g-PAO，采用红外光谱法、扫描电子显微镜及Zeta电位测定等法，对功能微球CPVA-g-PAO的化学结构及物理化学特性进行了表征，重点考察了各主要因素对接枝PAN的偕胺肟化转变反应的影响，也以脲酸为模型分子，初探了功能微球CPVA-g-PAO对生物分子的吸附性能。

The research of polymer/layered silicate nanocomposite was introduced detailedly, including the classify, property and the latest research advance. On the basis of consulting the document and the exploratory experiment, the experimental method which first creative preparing poly (acrylonitrile-vinyl acetate)/raontmorillonite nanocomposite by emulsion intercalation copolymerization was established; the structure and property of polyacrylonitrle different molecule weight with inorganic mineral super fine nanocomposite was reseached. The reaction principle of PMMA by photo-initution was explored. The mixture principle with productor condition, property of PE/Clay nanocomposite milt insert was seal prived. By PS/Clay nanocomposite munufacture, the monomer ins-polymerization and polymerial solution was proved.

在查阅文献和探索性实验的基础上，确定采用乳液原位插层聚合方法首先创制了聚/蒙脱土纳米复合材料，利用正交实验得出了最佳实验条件，通过X射线衍射和红外光谱对纳米复合材料的结构进行表征，研究了复合材料的溶解性能，并测定了其溶液的绝对粘度；研究了不同相对分子质量的聚丙烯腈与不同的无机矿物超细粉复合材料的结构与性能；探讨了在蒙脱土中光引发聚甲基丙烯酸甲酯的反应机理；通过聚乙烯与粘土的纳米复合材料制备，探讨了热塑性树脂熔融插层复合机理与最佳工艺条件和复合材料性能关系；通过聚苯乙烯与蒙脱土纳米复合材料制备，验证了单体原位聚合插层和聚合物溶液插层机理。

When introduced the ultrasound into EHD of acrylonitrile, the yield of propionitrile is increased, but the yield of hydrotrimer is decreased as compare to the silent condition.

对丙烯腈电化学氢化二聚反应生成己二腈的体系中施加超声的结果表明，对这一后置化学反应的体系，超声可以改变反应的机制，并最终对电解产物的分布产生影响。

The solution: inking widgets hard and soft rollers, stereoplasm rollers which is typically the oscillating not be damaged easily; soft metal rollers are comprised of mostly made of acrylonitrile-butadiene rubber, easy swelling, surface dry aging trabeculectomies, crack or affect the normal transfer ink.

处置方法：输不朱部件有硬质和软质不朱辊两栽，硬质的不朱辊凡是为串不朱辊，是金属不难败坏；软质的不朱辊次要是由丁腈橡胶创作不收明的，便当扩张变形，暗地潮湿不解膜或老化裂纹等，感化油不朱的变态传输。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。