摘要：【中文】本发明提供了一种百菌清的制备方法，对间苯二甲腈熔化得到的熔体原料进行脱酸处理使其中的羧基基团含量≤10mmol/每千克所述熔体原料。本发明还提供了一种百菌清的制备系统。本发明提供的制备方法可显著延长催化剂的使用寿命，而且制得的百菌清产品收率和纯度都有明显提高，可满足更高标准的产品要求，本发明提供的制备系统无需使用复杂的装置或设备，成本低廉且占地面积小，能够长期、稳定运行。 【EN】The invention provides a preparation method of chlorothalonil, which is characterized in that a melt raw material obtained by melting isophthalonitrile is deacidified to ensure that the content of carboxyl groups in the melt raw material is less than or equal to 10mmol per kilogram. The invention also provides a preparation system of chlorothalonil. The preparation method provided by the invention can obviously prolong the service life of the catalyst, obviously improve the yield and purity of the prepared chlorothalonil product, and meet the requirements of higher-standard products.

摘要：【中文】本发明提供一种高热稳定性的氯化聚丙烯及其制备方法。该制备方法包括以下步骤：将聚丙烯溶解在溶剂中，加入自由基引发剂，通入氯气进行氯化反应，反应速率降低时加入自由基分解促进剂，继续进行反应，反应至氯化聚丙烯中氯含量达到20～45％后，加入自由基终止剂终止反应，得氯化后的反应液；将所述氯化后的反应液除去溶剂，烘干、造粒，得到高热稳定性的氯化聚丙烯。该制备方法可以将氯化聚丙烯产品中自由基引发剂的残留量控制在100ppm以下，而且提高了氯化聚丙烯产品的热稳定性，降低了产品的色泽。 【EN】The invention provides chlorinated polypropylene with high thermal stability and a preparation method thereof. The preparation method comprises the following steps: dissolving polypropylene in a solvent, adding a free radical initiator, introducing chlorine gas to carry out chlorination reaction, adding a free radical decomposition accelerator when the reaction rate is reduced, continuing the reaction, adding a free radical terminator to terminate the reaction after the chlorine content in the chlorinated polypropylene reaches 20-45%, and obtaining a chlorinated reaction solution; and removing the solvent from the reaction solution after chlorination, drying and granulating to obtain the chlorinated polypropylene with high thermal stability. The preparation method can control the residual quantity of the free radical initiator in the chlorinated polypropylene product to be below 100ppm, improve the thermal stability of the chlorinated polypropylene product and reduce the color of the product.

摘要：【中文】本发明涉及一种用作芳纶纤维表面处理剂的封闭型水性聚氨酯的制备方法及其制备的封闭型水性聚氨酯与用途。其制备方法，包括以下步骤：在非质子极性溶剂中，在惰性气氛下，脱水后的多元醇与二异氰酸酯在催化剂的作用下反应至NCO达到理论值；加入助溶剂和亲水扩链剂，反应至NCO达到理论值，得端异氰酸酯基NCO的聚氨酯预聚体；加入封闭剂，反应至NCO达到理论值；加入中和剂进行中和反应，即得。本发明合成了一种封闭型水性聚氨酯，其可以用作芳纶纤维表面处理剂，用该表面处理剂处理过的芳纶纤维制备的复合材料具有比未经处理的复合材料更佳的综合力学性能，可以应用于TPU等基材复合芳纶纤维领域。 【EN】The invention relates to a preparation method of closed waterborne polyurethane used as an aramid fiber surface treatment agent, the closed waterborne polyurethane prepared by the preparation method and application of the closed waterborne polyurethane. The preparation method comprises the following steps: in an aprotic polar solvent, in an inert atmosphere, reacting dehydrated polyol with diisocyanate under the action of a catalyst until NCO reaches a theoretical value; adding a cosolvent and a hydrophilic chain extender, and reacting until NCO reaches a theoretical value to obtain an isocyanate-terminated NCO polyurethane prepolymer; adding a blocking agent, and reacting until NCO reaches a theoretical value; adding a neutralizing agent for neutralization reaction to obtain the product. The invention synthesizes closed type waterborne polyurethane which can be used as an aramid fiber surface treating agent, and a composite material prepared from aramid fibers treated by the surface treating agent has better comprehensive mechanical property than an untreated composite material, and can be applied to the field of composite aramid fibers of base materials such as TPU (thermoplastic polyurethane).

摘要：【中文】本发明公开了一种制备光学材料用树脂的方法，所述方法包括将多硫醇化合物和苯二亚甲基二异氰酸酯化合物聚合，制得的光学材料用树脂无色透明，在380nm‑780nm的可见光区透过率很高，且不产生波筋和白浊。 【EN】The invention discloses a method for preparing resin for optical materials, which comprises the step of polymerizing a polythiol compound and a xylylene diisocyanate compound to prepare the resin for the optical materials, wherein the prepared resin is colorless and transparent, has high transmittance in a visible light region of 380nm-780nm, and does not generate striae and white turbidity.

摘要：【中文】本发明涉及一种异氰酸酯稳定剂及其制备方法。所述异氰酸酯稳定剂结构如通式(Ⅰ)所示，本发明稳定剂通过一步反应合成，经分离纯化即可得到，制备方法简单，适用于提高异氰酸酯特别是XDI存储稳定性，延长异氰酸酯存储时间，添加该类稳定剂的异氰酸酯可用于光学树脂合成。 【EN】The invention relates to an isocyanate stabilizer and a preparation method thereof. The isocyanate stabilizer has a structure shown as a general formula (I),the stabilizer is synthesized by one-step reaction, can be obtained by separation and purification, has simple preparation method, is suitable for improving the storage stability of isocyanate, particularly XDI, and prolonging the storage time of isocyanate, and the isocyanate added with the stabilizer can be used for synthesizing optical resin.

摘要：【中文】本发明公开了一种导线挝弯装置，属于变压器生产制造领域。本发明实施例通过调整可调限位板和限位下板的水平位置，使得第一定位钉进给结构和第二定位钉进给结构分别推动第一定位钉和第二定位钉之后，可以在水平方向将导线挝成多种不同半径的S弯或者反S弯，且通过调整限位下板的竖直高度，可以将水平挝弯后的导线再进行上下挝弯，此外，本发明可以实现多根导线的挝弯标准的统一，避免了对多根导线挝弯的随意性和差异性。 【EN】The invention discloses a lead bending device, and belongs to the field of transformer production and manufacturing. According to the embodiment of the invention, the horizontal positions of the adjustable limiting plate and the limiting lower plate are adjusted, so that the first positioning nail feeding structure and the second positioning nail feeding structure respectively push the first positioning nail and the second positioning nail, then the wires can be subjected to S bending or S bending in different radiuses in the horizontal direction, and the wires subjected to horizontal bending can be subjected to vertical bending by adjusting the vertical height of the limiting lower plate.

摘要：【中文】本发明涉及一种低吸湿率的多异氰酸酯组合物，其由1,3‑苯二亚甲基二异氰酸酯低聚而成，包含脲二酮基、异氰脲酸酯基和亚氨基噁二嗪二酮基，其中含有氟代化合物，且溴离子的含量不高于50ppm。 【EN】The invention relates to a polyisocyanate composition with low moisture absorption rate, which is formed by oligomerization of 1, 3-xylylene diisocyanate and comprises uretdione group, isocyanurate group and iminooxadiazine dione group, wherein the polyisocyanate composition contains a fluoro compound, and the content of bromide ions is not higher than 50 ppm.

摘要：【中文】本发明公开了一种制备环己烷二甲胺的方法。包括以下步骤：(1)环己烷二甲醇在脱氢催化剂催化下进行脱氢反应得到环己烷二甲醛；(2)将步骤(1)得到的环己烷二甲醛、液氨和氢气在胺化催化剂的作用下进行临氢胺化反应得到环己烷二甲胺。通过分段采用不同类型催化剂和不同反应控制条件，控制环己烷二甲醇脱氢、亚胺化和加氢的反应进程，抑制胺化过程中仲胺和高聚物副产物的生成，从而大幅提高环己烷二甲胺产品选择性及收率。 【EN】The invention discloses a method for preparing cyclohexane dimethylamine. The method comprises the following steps: (1) the cyclohexane dimethanol is subjected to dehydrogenation reaction under the catalysis of a dehydrogenation catalyst to obtain cyclohexane diformaldehyde; (2) and (2) carrying out hydroamination reaction on the cyclohexane dicarbaldehyde obtained in the step (1), liquid ammonia and hydrogen under the action of an amination catalyst to obtain the cyclohexanedimethanamine. The reaction processes of dehydrogenation, imidization and hydrogenation of the cyclohexanedimethanol are controlled by adopting different types of catalysts and different reaction control conditions in sections, and the generation of secondary amine and high polymer byproducts in the amination process is inhibited, so that the selectivity and the yield of the cyclohexanedimethanamine product are greatly improved.

摘要：【中文】本发明提供了一种低粘度且低色号的异氰酸酯固化剂、制备方法及应用，所述方法包括以下步骤：a)以长链醇为改性原料，并控制长链醇中过氧化物含量≤500ppm；b)将异氰酸酯、长链醇、催化剂混合反应；c)检测NCO含量，达到控制标准终止反应。本发明通过使用分子量较高长链脂肪醇或脂环醇改性可以有效降低多异氰酸酯的极性，从而降低固化剂粘度，此外使用的一些长链脂肪醇一定程度上起到“表面活性剂作用”从而提高二甲苯容忍性。另外，本发明通过控制长链醇中过氧化物及双键含量，可制备低粘度且低色号的异氰酸酯固化剂，有利于提高固化剂储存稳定性。 【EN】The invention provides an isocyanate curing agent with low viscosity and low color number, a preparation method and application thereof, wherein the method comprises the following steps: a) long-chain alcohol is taken as a modified raw material, and the content of peroxide in the long-chain alcohol is controlled to be less than or equal to 500 ppm; b) mixing isocyanate, long-chain alcohol and a catalyst for reaction; c) and detecting the NCO content, and terminating the reaction when the NCO content reaches the control standard. The invention can effectively reduce the polarity of polyisocyanate by using long-chain fatty alcohol or alicyclic alcohol with higher molecular weight for modification, thereby reducing the viscosity of the curing agent, and in addition, some long-chain fatty alcohol used plays a role of a surfactant to a certain extent, thereby improving the tolerance of dimethylbenzene. In addition, the invention can prepare the isocyanate curing agent with low viscosity and low color number by controlling the contents of peroxide and double bonds in the long-chain alcohol, thereby being beneficial to improving the storage stability of the curing agent.

摘要：【中文】本发明公开一种1,3‑二异氰酸甲酯基环己烷组合物及其制备的光学树脂。所述组合物包含：基于1,3‑二异氰酸甲酯基环己烷的重量，a)65％‑95％重量反式‑1,3‑二异氰酸甲酯基环己烷；b)大于0且≤0.5％重量，优选0.02％重量‑0.5％重量的1,4‑二异氰酸甲酯基环己烷。优选的，所述1,3‑二异氰酸甲酯基环己烷组合物包含大于0且≤600ppm的1‑异氰酸甲酯基‑3‑甲基环己烷，基于1,3‑二异氰酸甲酯基环己烷的重量。所述1,3‑二异氰酸甲酯基环己烷组合物用于制备光学树脂，可得到白浊发生率和光学形变发生率减少的光学镜片。 【EN】The invention discloses a 1, 3-diisocyanatomethyl cyclohexane composition and an optical resin prepared from the same. The composition comprises: based on the weight of the 1, 3-diisocyanatomethylcyclohexane, a) 65% to 95% by weight of trans-1, 3-diisocyanatomethylcyclohexane; b) greater than 0 and ≦ 0.5 wt% 1, 4-diisocyanatomethylcyclohexane, preferably 0.02 wt% to 0.5 wt%. Preferably, the 1, 3-diisocyanatomethylcyclohexane composition comprises greater than 0 and 600ppm of 1-isocyanatomethyl-3-methylcyclohexane, based on the weight of 1, 3-diisocyanatomethylcyclohexane. The 1, 3-diisocyanatomethylcyclohexane composition is used for preparing optical resin, and can obtain optical lenses with reduced cloudiness rate and optical deformation rate.