碳酸丙烯酯

重点阐述了酯交换法生产中如何提高碳酸丙烯酯（PC）的转化率。

It mainly discussed how to improve the percent conversion of propylene carbonate in ester exchange method .

将反应-萃取技术应用于甲醇和碳酸丙烯酯（PC）酯交换合成碳酸二甲酯（DMC）反应过程。

Reactive extraction technique was incorporated in the reaction of synthesizing dimethyl carbonate ( DMC ) by transesterification of methanol and propylene carbonate . A series of alkanes were tested as the extractants in the homogeneous reaction system catalyzed by KOH .

h，t碳酸丙烯酯的产率达90.4%。

H , the yield of preplan carbonate was 90.4 % .

碳酸丙烯酯（PC）作为用途十分广泛的有机溶剂用于许多行业，同时它作为有机中间体，常被用做原料生产许多化工产品，如碳酸二甲酯（DMC）。

Propylene carbonate ( PC ) is widely used in industry as organic solvent .

CO2与环氧丙烷气固相连续催化合成碳酸丙烯酯

Gas-phase synthesis of propylene carbonate from carbon dioxide and propylene oxide over KI / γ - Al_2O_3 catalyst in a fixed-bed reactor

GC-MS法测定碳酸丙烯酯的组成

GC - MS Determination of Components in Propylene Carbonate

为在温和条件下固定CO2气体，使之转化成具有重要工业应用价值的绿色化学品碳酸丙烯酯提供了一条催化合成的新途径。

It provides a new way to fix CO2gas into a green chemical propylene carbonate for industrial use under mild conditions .

金属氧化物负载的KI对合成碳酸丙烯酯的催化性能

Synthesis of Propylene Carbonate Catalyzed by Metal Oxide Supported KI

研究了CO2与1,2-丙二醇（PG）合成碳酸丙烯酯（PC）的反应，优化了反应条件。

Synthesis of propylene carbonate ( PC ) from carbon dioxide and 1,2-propylene glycol ( PG ) over potassium carbonate catalyst was studied .

Dawson结构杂多酸盐催化合成碳酸丙烯酯

Synthesis of Propylene Carbonate Catalyzed by Dawson - type Polyoxometalate

采用不同方法制备了一系列复合金属氧化物催化剂，其中Mg-Al复合氧化物对合成碳酸丙烯酯反应有较好的催化活性。

A series of compound metal oxide catalysts have been prepared by different methods . Among those , Mg-Al compound oxide has better catalyst activity .

利用13cNMR光谱技术研究了Li+在碳酸丙烯酯（PC）+N，N-二甲基甲酰胺（DMF）混合溶剂中的优先溶剂化现象。

The preferential solvation of Li + in propylene carbonate ( PC ) and N , N-dimethylformamide ( DMF ) mixed solvents has been studied by 13C NMR technique at various solvent and lithium salt concen - tration .

首先制备了氧化锌一氧化铅（ZnO-PbO）催化剂，并对其在碳酸丙烯酯（PC）与甲醇酯交换合成碳酸二甲酯（DMC）反应中的催化性能进行了研究。

Zinc-lead double oxide ( ZnO-PbO ) was prepared and its catalytic performance on synthesis of dimethyl carbonate ( DMC ) by transesterification of propylene carbonate ( PC ) and methanol was studied .

本研究从工程应用出发，以水、碳酸丙烯酯和聚乙二醇二甲醚为液相，在工业生产使用的温度条件下，用改良型湿壁塔测定各溶剂吸收CO2的速度。

With the view of engineering application , using water , propylene carbonate ( A ) and polyethylene glycol & dimethylether ( B ) as absorbents , the rates of absorption of CO_2 in the absorbents are measured with modified wetted-wall tower at the industrial operating temperatures .

在反应温度180℃、反应时间2h、Pb/SiO2催化剂质量分数0.9%、尿素与1,2-丙二醇摩尔比1∶4的条件下，碳酸丙烯酯的收率为86.9%。

Under optimal reaction conditions : reaction temperature 180 ℃, reaction time 2h , Pb / SiO2 catalyst mass fraction 0.9 % and mole ratio of urea to PG 1 ∶ 4 , yield of PC can reach 86.9 % .

采用溶液插层和熔融插层法制备了聚碳酸丙烯酯（PPC）／Mg3AlLDH、线性低密度聚乙烯（LLDPE）／Mg3AlLDH和Nylon6／Mg3AlLDH剥离纳米复合材料。

The polymer / LDH nanocomposites were synthesized by solution intercalation and melt intercalation methods . Poly ( propylene carbonate ) / Mg_3Al LDH , linear low density polyethylene ( LLDPE ) / Mg_3Al LDH and Nylon 6 / Mg_3Al LDH exfoliated nanocomposites were prepared .

从vanLaar方程出发，推算碳酸丙烯酯－水二元系溶液中碳酸丙烯酯和水的活度系数，然后再利用非理想溶液的Raoult定律，分别算出碳酸丙烯酯和水的蒸汽分压。

Based on the Van Laar equation the activity coefficients are calculated of propylene carbonate and water in the binary solution of propylene carbonate water , and then by means of the Raoult Law for non ideal solutions the vapor partial pressures of propylene carbonate and water are calculated .

碳酸丙烯酯水二元系溶液蒸汽分压的推算

Calculation of Vapor Partial Pressures on Binary Solution of Propylene Carbonate Water

金属碳酸盐催化尿素和1,2-丙二醇合成碳酸丙烯酯

Synthesis of Propylene Carbonate from Urea and 1,2-Propylene Glycol over Metal Carbonates

合成碳酸丙烯酯产物的气相色谱分析

GC analysis of the rectifying products from the synthesis of propylene carbonate

类水滑石催化尿素与1,2-丙二醇合成碳酸丙烯酯

Synthesis of Propylene Carbonate from Urea and 1,2-Propanediol Catalyzed by Hydrotalcite-Like Compounds

磁性纳米粒子催化尿素与1,2-丙二醇制备碳酸丙烯酯

Synthesis of Propylene Carbonate from Urea and 1,2-Propanediol over a Magnetic Nanoparticle

新型催化剂下碳酸丙烯酯合成条件的优化

Study on Optimization of synthesis of propylene carbonate catalyzed by new type catalyst

甲醇和碳酸丙烯酯合成碳酸二甲酯的研究

Synthesis of dimethyl carbonate from methanol and propylene carbonate

碳酸丙烯酯脱碳装置技术改造小结

Summary of technical innovation for propylene carbonate decarbonation device

碳酸丙烯酯水解催化剂及工艺条件的研究

Catalysts for Heterogeneous Catalytic Hydrolysis of Propylene Carbonate and Optimization of Process Conditions

钼蓝比色法测定碳酸丙烯酯中微量硫化氢

Colorimetric Determination of Microamount of Hydrogen Sulfide in Propylene Carbonate by Molybdenum Blue Method

碳酸丙烯酯物理化学性质的计算

The Calculation of Physico-chemical Properties of Propylene Carbonate

碳酸丙烯酯复合溶剂脱碳研究

Research on Decarbonation with Propylene Carbonate Double Solvent

氧化钙室温催化碳酸丙烯酯和甲醇的酯交换合成碳酸二甲酯

DMC Synthesis by Transesterification of Propylene Carbonate and Methanol over CaO near Room Temperature