摘要：【中文】本发明涉及一种无机溶剂湿法纺丝腈纶的制备方法。步骤包括：无机溶剂溶解原料，喷丝挤出，两次凝固浴成形，致密化及热定型等。本发明方法制备的腈纶纤维应用于毛皮领域，具有较低的烫光温度，同时制成的毛皮手感既柔顺又有良好挺性。 【EN】The invention relates to a preparation method of inorganic solvent wet spinning acrylic fiber. The method comprises the following steps: dissolving raw materials by an inorganic solvent, carrying out spinning extrusion, carrying out solidification bath forming twice, densifying, carrying out heat setting and the like. The acrylic fiber prepared by the method is applied to the field of fur, has lower ironing temperature, and simultaneously, the manufactured fur has soft hand feeling and good stiffness.

摘要：【中文】本发明涉及一种采用劣质LCO生产高价值化工产品的方法。该方法将LCO的加氢裂化和催化裂化过程相结合，将催化裂化的产物轻中馏分LCO进行加氢裂化反应，将催化裂化的产物重馏分LCO进行渣油加氢反应。采用本发明的方法，可生产高价值汽油调合组分等化工产品：生产的轻汽油RON达87以上，硫含量小于5μg/g，可作为高辛烷值汽油调和组分；重汽油RON达95，硫含量小于3μg/g，同时可兼顾生产硫含量小于10μg/g，十六烷值较原料提高14个单位以上的低硫清洁柴油调和组分。 【EN】The invention relates to a method for producing high-value chemical products by adopting inferior LCO. The method combines the hydrocracking and catalytic cracking processes of LCO, performs hydrocracking reaction on light and medium fractions LCO of a catalytic cracked product, and performs residual oil hydrogenation reaction on heavy fractions LCO of the catalytic cracked product. The method of the invention can be used for producing chemical products such as high-value gasoline blending components and the like: the RON of the produced light gasoline reaches more than 87, the sulfur content is less than 5 mug/g, and the produced light gasoline can be used as a high-octane gasoline blending component; the RON of the heavy gasoline reaches 95, the sulfur content is less than 3 mug/g, and simultaneously, the low-sulfur clean diesel oil blending component with the sulfur content less than 10 mug/g and the cetane number improved by more than 14 units compared with the raw material can be produced.

摘要：【中文】本发明公开了一种石墨烯/聚丙烯腈分散液的制备方法。其包括以下步骤：1)将硫氰酸钠溶解于水中，加入聚丙烯腈粉末，机械搅拌溶解，分散处理，得到聚丙烯腈溶液A；2)将石墨烯加到聚丙烯腈溶液A中，得到石墨烯/聚丙烯腈混合液；3)将硫氰酸钠溶解到水中，加入聚丙烯腈粉末，得到聚丙烯腈溶液B；4)将石墨烯/聚丙烯腈混合液与聚丙烯腈溶液B混合，得到石墨烯/聚丙烯腈分散液。本发明制备的石墨烯/聚丙烯腈分散液分散均匀，稳定，可以直接或将石墨烯/聚丙烯腈分散液添加到聚丙烯腈纺丝液中，进行湿法纺丝，有效的解决了石墨烯在聚丙烯腈纺丝液中的分散性与稳定性的问题。 【EN】The invention discloses a preparation method of graphene/polyacrylonitrile dispersion liquid. Which comprises the following steps: 1) dissolving sodium thiocyanate in water, adding polyacrylonitrile powder, mechanically stirring for dissolving, and performing dispersion treatment to obtain a polyacrylonitrile solution A; 2) adding graphene into the polyacrylonitrile solution A to obtain a graphene/polyacrylonitrile mixed solution; 3) dissolving sodium thiocyanate into water, and adding polyacrylonitrile powder to obtain a polyacrylonitrile solution B; 4) and mixing the graphene/polyacrylonitrile mixed solution with the polyacrylonitrile solution B to obtain the graphene/polyacrylonitrile dispersion liquid. The graphene/polyacrylonitrile dispersion liquid prepared by the method is uniform and stable in dispersion, and can be directly added into a polyacrylonitrile spinning solution or added into the polyacrylonitrile spinning solution for wet spinning, so that the problems of the dispersibility and the stability of the graphene in the polyacrylonitrile spinning solution are effectively solved.

摘要：【中文】一种碳五馏份的加氢方法，该方法包括将碳五馏份与氢气混合后进入固定床催化加氢反应器进行加氢反应，催化剂为钼‑镍/三氧化二铝，氢气与物料的体积比为100～600﹕1，质量空速1～4hr^‑1，反应压力为20～40bar，催化剂床层热点温度为305～350℃，通过加氢反应，碳五馏份物料中所含有的单烯烃转化成烷烃，而且催化剂活性保持稳定。本发明通过将钼‑镍/三氧化二铝催化剂进行碳五馏份加氢时的催化剂床层温度保持在306～350℃，使碱性有机氮在催化剂表面的脱附速率大于吸附速率，提高了催化剂的加氢活性稳定性和加氢反应转化率，使加氢反应得以更高效地进行，提高生产效率。 【EN】The method comprises the steps of mixing a carbon five fraction with hydrogen, then feeding the mixture into a fixed bed catalytic hydrogenation reactor for hydrogenation reaction, wherein the catalyst is molybdenum-nickel/aluminum oxide, the volume ratio of the hydrogen to a material is 100-600: 1, and the mass airspeed is 1-4 hr^‑1The reaction pressure is 20-40 bar, the hot spot temperature of the catalyst bed is 305-350 ℃, mono-olefin contained in the carbon five-fraction material is converted into alkane through hydrogenation reaction, and the activity of the catalyst is kept stable. According to the invention, the temperature of the catalyst bed layer is maintained at 306-350 ℃ when the molybdenum-nickel/aluminum oxide catalyst is subjected to carbon five fraction hydrogenation, so that the desorption rate of the alkaline organic nitrogen on the surface of the catalyst is greater than the adsorption rate, the hydrogenation activity stability of the catalyst is improved, and the hydrogenation reaction conversion is improvedThe hydrogenation reaction can be more efficiently carried out, and the production efficiency is improved.

摘要：【中文】本发明提供了一种可调节抗冲聚丙烯刚韧平衡的生产方法，该生产方法通过环管聚合工艺，将第一和第二气相反应器设置为并联，在聚合过程中通过调整氢气加入量控制聚合物分子量，通过调整两个气相反应器中乙烯、丙烯和氢气的配比控制产品的刚韧平衡。解决了由于现有催化剂后期活性较差，第二气相反应器中只能全乙烯操作，不能调节丙烯和乙烯质量比，产品的模量较低等问题，更好地调节了抗冲聚丙烯刚韧平衡。 【EN】The invention provides a production method capable of adjusting the rigidity-toughness balance of impact-resistant polypropylene, which comprises the steps of setting a first gas-phase reactor and a second gas-phase reactor in parallel through a ring pipe polymerization process, controlling the molecular weight of a polymer by adjusting the adding amount of hydrogen in the polymerization process, and controlling the rigidity-toughness balance of a product by adjusting the proportion of ethylene, propylene and hydrogen in the two gas-phase reactors. Solves the problems that the prior catalyst has poor activity in the later period, the second gas phase reactor only can be operated by full ethylene, the mass ratio of propylene to ethylene can not be adjusted, the modulus of the product is low, and the like, and better adjusts the rigidity-toughness balance of the impact-resistant polypropylene.

摘要：【中文】本发明公开了一种轻质碳五的综合利用方法，该方法依次包括以下步骤：碳四分离、选择性加氢、精馏、脱碱性有机氮、全加氢、异戊烷的精制。本发明的方法通过一系列分离和加氢反应过程以轻质碳五馏份为原料生产多种化工产品，提高了轻质碳五的综合利用率。并且本发明通过对上述反应过程的组合和加氢过程中催化剂的选择，在不影响产物转化率的前提下，避免了高成本的脱硫处理，提高了经济效益。本发明为解决目前石脑油蒸汽裂解制乙烯过程中对于轻质碳五馏份利用不充分，经济效益低的问题，提供了一种合理高效的方法。 【EN】The invention discloses a comprehensive utilization method of light carbon five, which sequentially comprises the following steps: separating carbon four, selectively hydrogenating, rectifying, removing alkaline organic nitrogen, fully hydrogenating and refining isopentane. The method of the invention produces various chemical products by taking the light carbon five fraction as a raw material through a series of separation and hydrogenation reaction processes, thereby improving the comprehensive utilization rate of the light carbon five. And the invention avoids high-cost desulfurization treatment and improves economic benefit by combining the reaction processes and selecting the catalyst in the hydrogenation process on the premise of not influencing the conversion rate of the product. The invention provides a reasonable and efficient method for solving the problems of insufficient utilization of light carbon five-fraction and low economic benefit in the conventional process of preparing ethylene by steam cracking of naphtha.

摘要：【中文】本发明提供了一种乙酸乙烯酯精馏用复配型阻聚剂及其使用方法，该阻聚剂以4‑羟基‑2,2,6,6‑四甲基哌啶氮氧自由基、N,N‑二苯基对苯二胺、2,4‑二甲基‑6‑仲丁基苯酚三种组分按一定比例复配而成。该复配型阻聚剂巧妙地利用了各个组分间的协同效应，克服了缓聚剂和真阻聚剂的各自缺点，使得阻聚效果较单独组分有了明显的提高；同时该阻聚剂效率高，毒性小，可以有效提高乙酸乙烯酯精馏过程的收率。 【EN】The invention provides a compound polymerization inhibitor for vinyl acetate rectification and a use method thereof, and the polymerization inhibitor is prepared by compounding three components of 4-hydroxy-2, 2,6, 6-tetramethyl piperidine nitroxide free radical, N-diphenyl-p-phenylenediamine and 2, 4-dimethyl-6-sec-butylphenol according to a certain proportion. The compound polymerization inhibitor skillfully utilizes the synergistic effect among the components, overcomes the respective defects of a retarder and a real polymerization inhibitor, and obviously improves the polymerization inhibition effect compared with the single component; meanwhile, the polymerization inhibitor has high efficiency and low toxicity, and can effectively improve the yield of the vinyl acetate rectification process.

摘要：【中文】本发明提供了一种环保型抗紫外聚酯及其制备方法。本发明选用精对苯二甲酸，乙二醇和第三单体为原料，采用抗紫外老化剂，无重金属型催化剂和热稳定剂，通过直接酯化反应和缩聚反应原位聚合得到无重金属的环保型抗紫外聚酯。该环保型抗紫外聚酯可提高对人体健康的安全性，同时其抗紫外老化性能更稳定，且工艺简单，易于产业化，具有较好的市场前景。 【EN】The invention provides environment-friendly uvioresistant polyester and a preparation method thereof. The invention selects purified terephthalic acid, ethylene glycol and a third monomer as raw materials, adopts an anti-ultraviolet aging agent, a heavy metal-free catalyst and a heat stabilizer, and obtains the heavy metal-free environment-friendly anti-ultraviolet polyester through direct esterification reaction and polycondensation reaction in-situ polymerization. The environment-friendly uvioresistant polyester can improve the safety to human health, has more stable uvioresistant aging performance, simple process, easy industrialization and better market prospect.

摘要：【中文】本发明提供了一种工程塑料基料用改性聚醚酯及其制备方法，该聚醚酯为无规共聚物，由聚醚嵌段和聚酯嵌段构成，聚醚嵌段占聚醚酯总质量的1～20wt％，聚醚嵌段为数均分子量在400～4000范围的聚乙二醇、聚丙二醇或聚丁二醇中的至少一种，聚酯嵌段为聚对苯二甲酸乙二醇酯；其制备过程包括浆料调配、酯化、预缩聚、终缩聚及切粒等工序；该聚醚酯用于PET工程塑料具有良好的机械性能和耐热性能，并可快速结晶。 【EN】The invention provides a modified polyether ester for engineering plastic base materials and a preparation method thereof, wherein the polyether ester is a random copolymer and consists of a polyether block and a polyester block, the polyether block accounts for 1-20 wt% of the total mass of the polyether ester, the polyether block is at least one of polyethylene glycol, polypropylene glycol or polybutylene glycol with the number average molecular weight of 400-4000, and the polyester block is polyethylene glycol terephthalate; the preparation process comprises the working procedures of slurry blending, esterification, pre-polycondensation, final polycondensation, grain cutting and the like; the polyether ester has good mechanical property and heat resistance when being used for PET engineering plastics, and can be crystallized quickly.

摘要：【中文】本发明提供了一种基于改性镍系负载型催化剂的1,5‑戊二醇制备方法。本发明采用戊二酸为加氢原料，采用液相加氢技术来制取1,5‑戊二醇的工艺。本发明加氢工艺在固定床反应器上进行。催化剂采用的是改性镍系负载型催化剂。本发明特别适用于1,5‑戊二醇合成精制过程，该加氢技术中，产品液体进行再循环，以便溶解在混合原料中的氢量远高于反应所需的氢量。装置中不需要设置价格昂贵的氢气循环压缩机，通过反应器的物料为单一液相物料。 【EN】The invention provides a preparation method of 1, 5-pentanediol based on a modified nickel-based supported catalyst. The invention adopts glutaric acid as hydrogenation raw material, and adopts liquid phase hydrogenation technology to prepare 1, 5-pentanediol. The hydrogenation process of the invention is carried out on a fixed bed reactor. The catalyst adopts a modified nickel-based supported catalyst. The invention is particularly applicable to the refining process of 1, 5-pentanediol synthesis, and the hydrogenation technology is that the product liquid is recycled so that the amount of hydrogen dissolved in the mixed raw material is far higher than the amount of hydrogen needed by the reaction. The device does not need to be provided with a hydrogen circulating compressor with high price, and the material passing through the reactor is a single liquid phase material.