• PC回收使用温和解聚聚碳酸盘的方法

    Recycling PC: Using the temperate method to depolymerize PC.

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  • 发明关于酯基硫化稳定化合物及其制备方法应用

    The present invention relates to an ester-based stannic sulfide stable compound and its preparation method and application.

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  • 制备并得到了三种二乙酯基手性分子晶体结构

    The X-ray crystal structures of three chiral molecular clips based on diethoxycarbonyl glycoluril were obtained.

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  • 下述清漆塑料密封件以及橡皮管都可适用我们合成

    The following paints, plastics, and seal and hose materials are recommended for use with our ester-based synthetic lubricants.

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  • 不同增塑剂推进剂燃速随增塑剂中硝酸含量的增加而增加;

    The more nitrate ester group, the higher the combustion rate of propellant with different plasticizers;

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  • 本文合成了侧带有酰胺水溶性聚丙烯酸树脂。

    A water soluble acrylic coatings with amide, carboxyl, ester and hydroxyl group on side-chain have been synthesized.

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  • D1821织物较大的影响酯基铵盐织物白度的影响不大。

    D1821 has a remarkable adverse effect on fabric whiteness as opposed to esterquats.

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  • 之后,引入手性试剂双键还原,氢,水解得到目标产物合成路线

    The target molecule was synthesized through using chiral reagent, reduction of double bond, hydrogenolysis and hydrolysis of ester group.

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  • 发明可以应用包括水解转移、交换反应任意方法中。

    The present invention may have application in any process involving hydrolysis, esterification, transesterification, interesterification or acylation reactions.

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  • 用来将聚二甲硅氧烷两端活性较弱转变高活性的异氰酸酯基

    The chain extender is used to convert the low-activity hydroxy groups of both ends of the polydimethylsiloxane into high-activity isocyanate groups.

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  • 含有氰酸酯基的预聚体热塑性淀粉材料(T PS表面进行了疏水化处理。

    The surface of thermoplastic starch(TRS) is hydrophobicated with prepolymers havingNCO groups.

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  • 通过紫外光引发丙烯酸聚合聚丙烯表面引入了反应性酯基

    The surface of polypropylene microporous membranes was activated by the graft polymerization of methyl methacrylate initiated with ultraviolet-photo.

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  • 最后当然利息主要反应异氰酸的聚聚醚反应形成聚氨组。

    Lastly, of course, the main reaction of interest is the formation of urethane groups by reaction of isocyanate groups and hydroxy - groups of the polyester or polyether.

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  • 研究了作为新型显影阻焊剂组分的丙烯酸及季酚醛树脂的各种感光条件。

    A new water developable, photosensitive phenolic resin containing quaternary ammonium hydroxide groups and acrylate groups(AQHPR) was synthesized.

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  • 此类柴油流动改进剂分布柴油的正构烷烃分布影响其效果的主要因素。

    It is indicated that the performance of the flow improver is influenced by the carbon distribution of the alkyl ester and then paraffin distribution of the diesel.

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  • 涤纶废产物二甘醇和三元酯基转移合成齐聚多元,并用其制备聚氨硬质泡沫塑料。

    A study was conducted to synthesize oligoester alcohols from poly (ethylene terephthalate) production wastes via transesterification with diethylene glycol and tribasic alcohol.

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  • 对甲苯磺酸酸水解羧酸酯基和烃羧酸高碳醇双官能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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  • 介绍了阳离子表面活性剂织物柔顺剂市场应用尤其是环境友好型的酯基季铵盐性能应用。

    The application situation of cationic surfactant in textile softener, especially the application and properties of the esterquats were introduced.

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  • 制得的二磁性液体饱和磁化强度密度粘度稳定性粒子直径等性能参数进行表征实验

    The experiments were carried on the synthesized diester-based magnetic fluids to characterize their saturation magnetization, density, viscosity, stability and the diameter of particles.

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  • 实验结果表明,聚丙烯酸树脂同时丙烯酸单元酯基的树脂分别配合不同染料使用效果好。

    Results showed that the resins containing acrylic acid and ester unit have good combined properties and compatibility with different IR dyes.

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  • 通过添加端羟丁二烯——丙烯腈共聚物(HTBN)制得的端异氰酸酯基聚物,可改性环氧树脂

    Modified epoxy resin was produced by adding the isocyanate-terminated prepolymer obtained from hydroxy-terminated butadiene-acrylonitrile copolymer (HTBN).

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  • 结果表明:单酯基铵盐、双酯基季铵盐酯基季铵盐易生物降解13天后降解度都在90%以上;

    The results showed that EQ could be biodegraded readily and completely. More than 90% EQ can be degraded in 13 days.

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  • 同样道理我们建议人们不要使用聚碳酸奶瓶孕妇避免接触此类热敏或者接触过后要洗手。

    In the same way we advise people not to use polycarbonate-based baby bottles, it would be smart to advise pregnant women to avoid or wash their hands after touching these sorts of papers.

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  • 可以催化涤纶大分子中的水解水性涤纶引入亲水性团,明显提高涤纶的润湿性及手感。

    Esterase could catalyze the hydrolysis of ester group in the polyester macromolecular and introduce hydrophilic group into the hydrophobic PET...

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  • 通过IRNMR谱图分析,得知该聚合物含有的结构单元以及

    The IR and NMR spectra of the polymers indicated that the polymer structure contained ester and ketone units in the backbone, and a cyclic acetals as side chain.

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  • 导电方法,含水涂料组合物甲酸乙酯基加合物的制备方法及含氨甲酸乙酯基的加合物。

    Process for coating electrically conductive substrates, aqueous coating composition, process for preparation of adduct containing urethane groups and adduct containing urethane groups.

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  • 蓖麻油分子中酯基键等官能团化学反应出发,种类繁多的蓖麻化学品加工技术进行综述归类

    Many kinds of chemicals were made from castor oil. There production techniques were summarized and classified according to the reactions of hydroxy, ester group and olefinic bond.

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  • 方法用于聚氨微量游离异氰酸酯基测定,相对标准偏差小于5%,具有简便、快速、准确、可靠的特点。

    The relative standard deviation (RSD) of this method is less than 5 % and this method has been used to determine trace amounts of n...

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  • 异氟酸多元醇硅烷原材料选择以及异氰酸酯基配比影响S PU密封胶性能主要因素

    The selection of raw materials such as iso- cyanate, polyol and silicone etc, and the ratio of isocyanate and hydroxy are the main factors affecting the properties of SPU sealant.

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  • 异氟酸多元醇硅烷原材料选择以及异氰酸酯基配比影响S PU密封胶性能主要因素

    The selection of raw materials such as iso- cyanate, polyol and silicone etc, and the ratio of isocyanate and hydroxy are the main factors affecting the properties of SPU sealant.

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