碳酸酯
- 网络carbonate;Carbonate ester;Polycarbonate;carbonic acid esters
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由苯乙烯、CO2直接制备苯乙烯环状碳酸酯的催化剂研究
The Effective Catalysts for Synthesis of Styrene Carbonate Directly from Styrene and CO_2
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CO2参与的电化学合成有机碳酸酯
CO_2 Involved in the Electrosynthesis of Organic Carbonate
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碱性催化剂上由CO2合成有机碳酸酯的研究进展
Studies on the synthesis of organic carbonates from CO_2 over basic catalysts
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不同的裂解G值表明,O2气在聚丙撑碳酸酯的辐射裂解过程中有重要影响。
Different Gs values might come from O2 effect in the radiation process .
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补加环碳酸酯单体,可以得到CL与环碳酸酯的嵌段共聚物。
The block copolymers of CL and cyclic carbonates can be synthesized .
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利用CO2和环氧化合物合成脂肪族碳酸酯是化学固定CO2的有效途径,开展CO2和环氧化合物合成脂肪族碳酸酯(APC)的工作具有重要意义。
Using carbon dioxide and epoxy compound to synthesis aliphatic carbonate is an effective way of chemical fixing carbon .
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研究了混炼工艺对聚亚丙基碳酸酯(PPC)/SBR共混物性能的影响。
The influence of mixing procedure on the properties of PPC / SBR blend was investigated .
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概述了以离子液体作为催化剂或作为反应介质,用CO2合成环状碳酸酯的研究进展。
The recent development in the synthesis of cyclic carbonate from CO_2 using ionic liquids as catalyst and / or reaction medium was reviewed .
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在CO2化学固定方面,利用二氧化碳和环氧化物环加成得到五元环状碳酸酯是最具前景的方法之一。
One of the promising methodologies in chemical CO2 fixation is the cycloaddition between carbon dioxide with epoxides to afford the five-membered cyclic carbonates .
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研究了采用低粘度的丙烯碳酸酯(PC)和高介电常数的计甲基乙醚胺(N-MA)以一定比例混合作极性有机物组分时高分子凝胶电解质的结构和性能。
The structure and characterization of crosslinked polyether polymer gel electrolyte with mixture of propylene carbonate ( PC ) and N methylamine as dual component polar organic compounds were studied .
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采用示差扫描量热法(DSC)对螺环原碳酸酯膨胀单体(SOC)/双酚A型环氧树脂(EP)体系的固化行为、放热峰进行了分析;
Curing behaviors and exothermic peaks of spiro orthocarbonate / epoxy resin system were discussed by DSC ( differential scanning calorimetry ) .
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副产物甘油一碳酸酯、酯交换试剂DMC存在对混合燃料燃烧性能的影响较小。
The by-product GC and the ester exchange reagent have a little effect on combustion performances of the biodiesel fuel .
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线型碳酸酯溶剂DMC与PC的混合可以降低锂离子在石墨中的脱出峰电位,但不能抑制PC嵌入石墨电极;
The de-intercalation peak potential of lithium ion in graphite decreases when PC is mixed with DMC , but the co-intercalation behavior of PC solvent cannot be eliminated .
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熔融酯交换法合成低双折射共聚碳酸酯的研究双酚A型聚碳酸酯形变行为的MD模拟
Study on the Synthesis of Bisphenol-A Co-Polycarbonate with Reduced Birefringence Through Melt Transesterification Process ; A molecular dynamics simulation of the plastic behavior of bis-phenol-A-polycarbonate
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聚对苯二甲酸乙二醇酯(PET)结晶及其增强、增韧复合材料的研究碳酸酯与1,4-丁二醇酯交换合成聚碳酸酯二醇的热力学分析
Studies on the Crystallization Behavior of Poly ( Ethylene Terephthalate )( PET ) and the Toughening of PET-Glass Fiber Composites ; Thermodynamic Analysis for Synthesis of Polycarbonate Diols by Transesterification of Carbonate and 1,4-Butanediol
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研究了室温条件下聚丙撑碳酸酯(PPC)在钴-60和电子加速器辐照过程中的响应行为。
The radiation effect of poly ( propylene carbonate )( PPC ) has been studied under Co-60 and EB irradiation at room temperature .
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本论文重点研究了微波辐照下2,2-二甲基三亚甲基碳酸酯(DTC)和ε-己内酯(ε-CL)的开环聚合反应。
This dissertation is focused on the polymerization of 2 , 2-dimethyltrimethylene carbonate ( DTC ) and s-caprolactone (ε - CL ) under microwave irradiation .
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研究结果表明,铂电极上线性碳酸酯DEC、DMC和EMC的阴极还原极类似,而环状碳酸酯PC较线性碳酸酯难还原;
On platinum electrode , linear carbonate DEC , DMC and EMC have similar cathodic reduction behavior , but ring carbonate PC has lower cathodic currents than linear carbonates .
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测量了XeCl准分子激光泵浦的DCM-丙二醇碳酸酯染料激光体系的能量输出和光谱特性。
The energy output and spectral characteristics of DCM-propylene carbonate dye laser system pumped by XeCl excimer laser have been measured .
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该催化剂同时具有Lewis酸金属中心以及Lewis碱中心,在无任何助催化剂,以及无任何溶剂的情况下,合成环碳酸酯。
This catalyst combined the Lewis acid metal center and the Lewis base center , without any co-catalysts , any solvents , was applied for the synthesis of cyclic carbonates .
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用二(三氯甲基)碳酸酯(BTC)代替光气,“一锅法”合成了8种取代脲类除草剂,产物结构经元素分析、IR确证。
Eight substituted ureas herbicides were synthesized with bis ( trichloromethyl ) carbonate ( BTC ) . The production structures were identified by elemental analysis and IR .
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最后,本文以ETP为原料,合成了具有柔顺主链的端环碳酸酯基聚醚(CCP)。
Finally , cyclic carbonate-terminated polyether ( CCP ) with flexible backbone was synthesized using ETP as the raw material .
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以二硫代羧酸酯和三硫代碳酸酯为链转移剂的可逆加成裂解链转移(RAFT)自由基聚合的发现,在活性自由基聚合领域是一个重要突破。
RAFT uses the dithiocarbamate or trithiocarbonate derivatives as transfer agents , the polymerization has excellent living behavior , which is an important breakthrough in the development of living free-radical polymerization .
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以环氧树脂E-44为原料合成了环碳酸酯,再与脂肪族伯胺反应合成了非异氰酸酯聚氨酯。
Nonisocyanate polyurethane ( NIPU ) was synthesized by aliphatic primary diamine and cyclocarbonate prepared from epoxy resin E-44 .
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将聚丙撑碳酸酯(PPC)与三元乙丙橡胶(EPT)共混制成弹性体。
In this paper , the blends of poly ( propylene carbonate )( PPC ), with ethylene propylene dienmischpolymere rubber ( EPT ) were prepared .
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报道了多孔硅球固定化猪胰脂肪酶(IE)催化一步合成侧链含活性羧基的聚(酯碳酸酯)的方法.用载体交联法制备了多孔硅球固定化木瓜蛋白酶。
One-step synthesis of poly ( ester-carbonates ) containing pendant carboxyl groups had been successfully performed using immobilized lipase on porous silica beads as catalysts . Papain has been immobilized on porous silica beads by crosslinking method .
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采用气相色谱与质谱联机的方法,对聚合物锂离子电池气胀现象的机理进行了研究,引入电解液添加剂VC(1,2-二亚乙烯基碳酸酯)进行自由基链式聚合反应,生成聚烷基碳酸锂化合物。
The mechanism of lithium polymer battery swollen was studied by means of gas chromatography mass spectrum ( GC-MS ), VC ( 1,2-divinylene carbonate ) was introduced to induce the chain reaction of the free radical to produce the polycarbonate lithium .
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基于对激发态DCM分子在不同溶剂中的光物理行为研究的结果,我们曾预言丙烯碳酸酯可望用作为DCM激光工作介质更好的溶剂。
Based on our study of photophysics of DCM in different solvents , it has been suggested that propylene carbonate can . be used as a more attractive solvent for DGM lasing medium .
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本文主要论述了CO2与环氧化合物合成环碳酸酯的环加成反应及其研究进展,并设计及合成高效、简单、易于回收、能循环利用的催化体系。
This article mainly discussed the cycloaddition reaction of carbon dioxide and the epoxides for the synthesis of cyclic carbonates , and the research progress . Meanwhile , we designed and synthesized an efficient , simple , recyclable and reusable catalytic system .
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研究了5,5二甲基三亚甲基碳酸酯的均聚物(PDTC)及其与聚乙二醇(PEG)组成的嵌段共聚物(PDTCPEGPDTC)的亲水性、水解和酶解性能以及药物释放性能。
The hydrophilicity , hydrolytic and enzymatic degradability , as well as drug-release properties of poly ( 5,5-dimethyl-trimethylene carbonate )( PDTC ) and block copolymers of DTC with PEG ( PDTC-PEG-PDTC ) were studied .