摘要：【中文】本发明公开了一种基于磁性吸附的四氧化三铁三维网络状电极及其制备方法，包括：1)配制水性粘结剂溶液，静置溶胀备用；2)向水性粘结剂溶液中加入磁性有机高分子得到混合溶液；3)将Fe₃O₄与导电微粒混合，并充分研磨混合均匀得到混合粉末；4)将混合溶液加入混合粉末中，再次充分研磨混合均匀，后得到粘稠浆料；5)将粘稠浆料倒入模具中，并转移至冷阱，恒温处理后转移至冷冻干燥，完全干燥，得到形成具有完整的连续导电层的Fe₃O₄三维网络电极。相对于常规电极，本方法利用磁性吸附，使Fe₃O₄不容易脱落，使Fe₃O₄电极材料具有更高的效率，更高的比容量，更优异的循环稳定性，原理简单巧妙。 【EN】The invention discloses a ferroferric oxide three-dimensional network electrode based on magnetic adsorption and a preparation method thereof, wherein the preparation method comprises the following steps: 1) preparing an aqueous binder solution, standing and swelling for later use; 2) adding a magnetic organic polymer into the aqueous binder solution to obtain a mixed solution; 3) mixing Fe₃O₄Mixing with conductive particles, fully grinding and uniformly mixing to obtain mixed powder; 4) adding the mixed solution into the mixed powder, fully grinding and uniformly mixing again to obtain viscous slurry; 5) pouring the viscous slurry into a mold, transferring to a cold trap, performing constant temperature treatment, and transferringFreeze drying, and completely drying to obtain Fe with complete continuous conductive layer₃O₄Three-dimensional network electrode. Compared with the conventional electrode, the method utilizes magnetic adsorption to lead Fe₃O₄Not easy to fall off to cause Fe₃O₄The electrode material has higher efficiency, higher specific capacity, more excellent cycling stability and simple and ingenious principle.

摘要：【中文】本发明公开了一种多烯烃弯钩型表活剂凝胶体压裂液及其制备和破胶方法，制备方法包括：(1)将亚麻酸，N,N‑二甲基‑1,3丙二胺和对甲苯磺酸加入烧瓶，升温至130～150℃，反应8～10小时，减压抽真空，得到中间体。(2)将步骤一得到的中间体和3‑氯‑2羟基丙磺酸钠加入有水和乙醇混合溶剂的烧瓶，反应温度为60～80℃，反应时间为6～8小时得到粗产物。(3)将粗产物真空干燥，再用乙醇溶解，再向乙醇甜菜碱溶液中加入石油醚。搅匀后除去石油醚相，用旋转蒸发仪除去乙醇，得到产物。(4)将产物配置成压裂液。该一种多烯烃弯钩型表活剂凝胶体压裂液，解决了清洁压裂液地层遇油自破胶不完全的问题，破胶理论新颖。 【EN】The invention discloses a multiolefin hook-type surfactant gel fracturing fluid and a preparation method and gel breaking method thereof, wherein the preparation method comprises the following steps: (1) adding linolenic acid, N, N-dimethyl-1, 3-propanediamine and p-toluenesulfonic acid into a flask, heating to 130-150 ℃, reacting for 8-10 hours, and carrying out vacuum pumping under reduced pressure to obtain an intermediate. (2) And (3) adding the intermediate obtained in the step one and 3-chloro-2-hydroxypropanesulfonic acid sodium into a flask containing a mixed solvent of water and ethanol, wherein the reaction temperature is 60-80 ℃, and the reaction time is 6-8 hours, so as to obtain a crude product. (3) Vacuum drying the crude product, dissolving with ethanol, and adding petroleum ether into the ethanol betaine solution. After stirring, the petroleum ether phase was removed and the ethanol was removed using a rotary evaporator to obtain the product. (4) The product is formulated into a fracturing fluid. The multiolefin hook-type surfactant gel fracturing fluid solves the problem of incomplete self-gel breaking of the stratum of the clean fracturing fluid when meeting oil, and the gel breaking theory is novel.

摘要：【中文】本发明公开了一种孪尾粘弹性表活剂凝胶体压裂液及其制备方法和胶体解除方法，包括：将油酸、N,N‑二甲基‑1,3丙二胺和第一催化剂混合，氮气保护下，升温至130～150℃，减压抽真空，得到中间体；向中间体加入磺酸盐、第一溶剂，氮气保护下，60～80℃反应，得到粗产物；将粗产物真空干燥，再用乙醇溶解，再加入石油醚，搅匀后除去石油醚相，再去乙醇，得到产物Ⅰ；想产物Ⅰ加入第二催化剂和第二溶剂，缓慢滴加二异氰酸酯，反应温度为40～60℃，真空干燥得到产物Ⅱ；5)将产物Ⅱ配置成压裂液。该一种孪尾粘弹性表活剂凝胶体压裂液解决了清洁压裂液地层遇油自破胶不完全的问题，破胶理论新颖。 【EN】The invention discloses a gel fracturing fluid of a twin-tailed viscoelastic surfactant, a preparation method thereof and a colloid relieving method, wherein the gel fracturing fluid comprises the following components: mixing oleic acid, N-dimethyl-1, 3-propanediamine and a first catalyst, heating to 130-150 ℃ under the protection of nitrogen, and carrying out vacuum pumping under reduced pressure to obtain an intermediate; adding sulfonate and a first solvent into the intermediate, and reacting at 60-80 ℃ under the protection of nitrogen to obtain a crude product; vacuum drying the crude product, dissolving with ethanol, adding petroleum ether, stirring, removing petroleum ether phase, and removing ethanol to obtain product I; adding a second catalyst and a second solvent into the desired product I, slowly dropwise adding diisocyanate, reacting at the temperature of 40-60 ℃, and performing vacuum drying to obtain a product II; 5) and preparing the product II into a fracturing fluid. The gel fracturing fluid with the twin-tailed viscoelastic surfactant solves the problem of incomplete self-gel breaking of the stratum of the clean fracturing fluid when meeting oil, and the gel breaking theory is novel.

摘要：【中文】本发明公开了一种孪尾弯钩型粘弹性表活剂凝胶体及其制备方法和胶体解除方法，制备与破胶方法包括：1)将亚麻酸、N,N‑二甲基‑1,3丙二胺和催化剂混合，氮气保护下，升温至130～150℃，减压抽真空，得到中间体；2)向中间体加入磺酸盐和第一溶剂，氮气保护下，反应温度为60～80℃，得到粗产物；3)将粗产物真空干燥，再用乙醇溶解，再加入石油醚，搅匀后除去石油醚相，除去乙醇，得到产物Ⅰ；4)将产物Ⅰ加入催化剂和第二溶剂，并滴加二异氰酸酯，反应温度为40～60℃，真空干燥得到产物Ⅱ；5)将产物Ⅱ配置成压裂液。该一种孪尾弯钩型粘弹性表活剂凝胶体，解决了清洁压裂液地层遇油自破胶不完全的问题，破胶理论新颖。 【EN】The invention discloses a twin-tailed hook type viscoelastic surfactant gel, a preparation method thereof and a gel removing method, wherein the preparation and gel breaking method comprises the following steps: 1) mixing linolenic acid, N-dimethyl-1, 3-propanediamine and a catalyst, heating to 130-150 ℃ under the protection of nitrogen, and carrying out vacuum pumping under reduced pressure to obtain an intermediate; 2) adding sulfonate and a first solvent into the intermediate, and reacting at the temperature of 60-80 ℃ under the protection of nitrogen to obtain a crude product; 3) vacuum drying the crude product, dissolving with ethanol, adding petroleum ether, stirring, removing petroleum ether phase, and removing ethanol to obtain product I; 4) adding a catalyst and a second solvent into the product I, dropwise adding diisocyanate, reacting at the temperature of 40-60 ℃, and performing vacuum drying to obtain a product II; 5) and preparing the product II into a fracturing fluid. The twin-tail hook type viscoelastic surfactant gel solves the problem of incomplete self-gel breaking of a clean fracturing fluid stratum when meeting oil, and the gel breaking theory is novel.

摘要：【中文】本发明公开了一种纤维束状三维集流体及其制备方法，方法包括1)向马来酸酐中加入引发剂，再加入甲苯，搅拌加热，滴加丙烯酸与甲苯的混合溶液，加入催化剂，升温至85℃，保温反应，停止反应，减压蒸馏除去溶剂，得到粘结剂；2)将粘结剂配制成粘结剂溶液；3)将石墨与导电微粒混合，并用充分研磨混合均匀得混合粉末；4)将粘结剂溶液加入混合粉末，再次充分研磨混合均匀，后得到粘稠浆料；5)粘稠浆料倒入模具中，并转移至冷阱，恒温处理后转移至冷冻干燥，完全干燥，得到纤维束状三维集流体。引入长链烷基，稳定立体网络结构中的石墨，疏水性将石墨有机结合。这两种作用对于提高石墨电极材料的循环稳定性有很大帮助。 【EN】The invention discloses a fiber bundle-shaped three-dimensional current collector and a preparation method thereof, wherein the method comprises the steps of 1) adding an initiator into maleic anhydride, then adding methylbenzene, stirring and heating, dropwise adding a mixed solution of acrylic acid and methylbenzene, adding a catalyst, heating to 85 ℃, carrying out heat preservation reaction, stopping reaction, and carrying out reduced pressure distillation to remove the solvent to obtain a binder; 2) preparing a binder into a binder solution; 3) mixing graphite and conductive particles, fully grinding and uniformly mixing to obtain mixed powder; 4) adding the binder solution into the mixed powder, fully grinding and uniformly mixing again to obtain viscous slurry; 5) and pouring the viscous slurry into a mold, transferring to a cold trap, carrying out constant temperature treatment, transferring to freeze drying, and completely drying to obtain the fiber bundle-shaped three-dimensional current collector. Long-chain alkyl is introduced to stabilize graphite in a three-dimensional network structure, and the graphite is organically combined by hydrophobicity. Both effects are very helpful to improve the cycling stability of the graphite electrode material.