摘要：【中文】本发明涉及一种氟代碳酸乙烯酯的生产方法，主要解决现有技术中催化剂成本高、产品收率低的问题。本发明通过采用一种氟代碳酸乙烯酯的生产方法，将氯代碳酸乙烯酯加到反应器中，然后加入极性非质子性溶剂、催化剂、氟化试剂，在一定反应条件进行反应，反应完毕后，反应液经分离单元分离后获得氟代碳酸乙烯酯产品的技术方案较好地解决了上述问题，可用于氟代碳酸乙烯酯的生产中。 【EN】The invention relates to a production method of fluoroethylene carbonate, which mainly solves the problems of high cost of a catalyst and low product yield in the prior art. The invention adopts a production method of fluoroethylene carbonate, the chloroethylene carbonate is added into a reactor, then a polar aprotic solvent, a catalyst and a fluorination reagent are added for reaction under certain reaction conditions, and after the reaction is finished, reaction liquid is separated by a separation unit to obtain fluoroethylene carbonate products.

摘要：【中文】公开了一种MCM‑22分子筛的合成方法，包括以下步骤：1)将硅源、碱源、铝源、模板剂合成原料和水按比例混合均匀，得到混合物，其中：所述模板剂包括溴代双季铵盐Br(H_2n+1C_n)₃N⁺(CH₂)_mN⁺(C_nH_2n+1)₃Br，其中n为1‑3的整数，m为3‑10的整数；以1摩尔换算成二氧化硅的硅源计，换算成氧化铝的铝源摩尔量为0.01‑0.05，换算成碱金属氧化物的碱源摩尔量为0.05‑0.3，模板剂的摩尔量为0.02‑1，水的摩尔量为10‑60；和2)向所述混合物中加入分子筛晶种，晶化；所述晶种选自具有MWW结构分子筛，以混合物的固体重量计，所述晶种的量为0.01‑0.5％。 【EN】Discloses a method for synthesizing an MCM-22 molecular sieve, which comprises the following steps: 1) uniformly mixing synthetic raw materials of a silicon source, an alkali source, an aluminum source and a template agent with water in proportion to obtain a mixture, wherein: the template agent comprises brominated biquaternary ammonium salt Br (H)_2n+1C_n)₃N⁺(CH₂)_mN⁺(C_nH_2n+1)₃Br, wherein n is an integer of 1 to 3 and m is an integer of 3 to 10; the aluminum source molar amount converted into alumina is 0.01-0.05, the alkali source molar amount converted into alkali metal oxide is 0.05-0.3, the template molar amount is 0.02-1, and the water molar amount is 10-60, based on 1 mol of the silicon source converted into silica; and 2) adding molecular sieve seed crystals into the mixture for crystallization; the seed crystals are selected from molecular sieves having MWW structure, and the amount of the seed crystals is 0.01-0.5% by weight of the solid weight of the mixture.