环氧丙烷
- 网络Propylene oxide;HPPO;methyloxirane
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二甲基苄醇(CA)和环氧丙烷(PO)的传统生产方法污染严重、成本较高。
The traditional synthesis methods of Dimethyl phenyl carbinol ( CA ) and propylene oxide ( PO ) pollute environment heavily and the cost is relatively high .
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在100℃,05MPa的条件下反应2h,过氧化氢异丙苯的转化率为650%,环氧丙烷的选择性为704%。
At 100 ℃ and 0 5 MPa for 2 h , the conversion of cumene hydroperoxide is about 65 0 % and the selectivity for propylene oxide is 70 4 % .
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超临界CO2与环氧丙烷和甲醇催化反应体系研究
A study on catalytic reaction systems of supercritical carbon dioxide , methanol and propylene oxide
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环氧丙烷和甲醇在MgO上合成1-甲氧基-2-丙醇反应机理
The Reaction Mechanism for the Synthesis of 1-methoxy-2-propanol on MgO Catalyst
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环氧丙烷(PO)是一种重要的有机化工中间体。
Propylene Oxide ( PO ) is an important intermediate in chemical industry .
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DMC催化剂催化环氧丙烷聚合反应的研究
Study on Polymerization of Propylene Oxide with DMC Catalyst
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氯醇法环氧丙烷废水具有高SS、高COD、高pH值、高含盐量的特点。
Waste water from propylene epoxide production by chlorohydrin method contains high contents of SS , COD and salt with high pH.
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由环氧丙烷改良的表面活性剂包衣脂肪酶在催化降解PS反应中表现出一定的活性和选择性。
Lipase coated with epoxy propane modified surfactant showed definite activity and selectivity for degradation of PS in organic phase .
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瞬态光谱法确定环氧丙烷DDT过程中起主导作用的基团
Using Instantaneous Spectra to Determine Dominant Species in the DDT Process of Epoxypropane
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DMC催化环氧丙烷低温开环聚合
Ring - Opening Polymerization of Propylene Oxide by Double Metal Cyanide Catalyst at Low Temperature
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DA系列阳离子染色助剂的合成研究&多元胺的筛选与环氧丙烷结构单元的引入
Study on the synthesis of DA series of cationic dyeing assistants & selection of polyamine and induction of polyene epoxide structural unit
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环氧丙烷DDT过程瞬态发射光谱的测量与分析
Measurement and Analysis of the Transient Emission Spectra of Epoxypropane in the Process of DDT
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TS-1催化丙烯环氧化过程中环氧丙烷的开环反应研究
Study on ring-opening of propylene oxide in epoxidation of propylene catalyzed by TS-1
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以苯胺、环氧丙烷和溴素为原料,合成了N,N二(2羟丙基)2,4,6三溴苯胺(BHTBA)。
Tribromo-N , N-bis ( 2-hydroxylprapylene ) aniline ( BHTBA ) was prepared from aniline , propylene oxide and bromine .
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利用深井曝气工艺处理高盐,高pH,高温的环氧丙烷皂化废水,技木上是可行的。
It is technically possible to the deep shaft aeration process in the treatment of saponified wastewater with high content of salts , high pH and high tem perature in the propylene oxide plant .
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讨论了多元醇与环氧丙烷(PO)及环氧乙烷(EO)共聚物的支链数、支链的分子量、PO与EO的摩尔比、分子间的交联对COM燃料流动性的影响。
Effects of number , molecular weight , molar ratio of PO and EO , crosslink density of branched chain on fluidity are discussed .
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而以TS-1为催化剂,丙烯和H2O2在100℃以下反应,H2O2转化率和主产物环氧丙烷选择性均可超过95%,这无疑是一高选择性的清洁工艺。
The H2O2 conversion and PO selectivity above 95 % are obtained in epoxidation of propylene catalyzed by TS-1 under 100 ℃ reaction temperature . Therefore , it is a clean manufacture route .
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Nd(naph)3-Al(i-Bu)3催化邻苯二甲酸酐与环氧丙烷交替共聚
Ring opening alternating copolymerization of phthalic anhydride and propylene oxide by nd ( naph ) 3 al ( I bu ) 3
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研究了使用DMC催化剂制备环氧丙烷聚醚时,聚合温度、催化剂浓度、加料速度对聚醚相对分子质量和相对分子质量分布的影响规律。
The effects of temperature , concentration of catalyst and feeding rates of monomer on molecular weight and molecular weight distribution in polymerization of propylene oxide with DMC catalyst were discussed .
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报道环氧丙烷(PO)助催的甲醇钠催化剂体系用于甲醇的液相催化羰基化制取甲酸甲酯(MF)反应。
The catalytic system propylene oxide ( PO ) promoted sodium methoxide ( MeONa ) used for methanol carbonylation to methyl formate ( MF ) in the liquid phase has been studied and reported .
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叙述了环氧丙烷与低级脂肪醇在LA2型固体酸催化剂上的反应。
The etherification reaction of propylene oxide with lower aliphatic alcohol over LA2 solid acid catalyst was studied .
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研究了用预处理后的5A分子筛、002×7K吸附树脂脱除环氧丙烷中微量水。
The removal of trace water in propylene oxide with prepared 5A molecular sieve and 002 × 7K adsorbent resin is studied .
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通过对所拍摄光谱的分析,推断中间产物C2是环氧丙烷爆燃转爆轰过程中的主要产物之一,并给出了C2自由基形成的几种可能的反应通道。
Furthermore , this experiment indicate that C 2 radical is one of the main products of epoxypropane in the DDT process , and the several possible reaction passage are given , too .
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环氧丙烷(PO)是包括聚丙烯、丙烯腈在内的三大丙烯衍生物之一,它主要用于生产聚醚多元醇、丙二醇和各类非离子表面活性剂等。
Epoxy propane ( PO ) is the third propylene derivatives after polypropylene , acrylonitrile , which used in the productions of polyether polyols , propylene glycol and various kinds of non ionic surface active agent .
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该文采用室内多相爆轰管,对环氧丙烷(Po)、空气(Air)组成的燃料空气混合物(FAM)如何获得最高爆炸超压的最佳组份和延迟时间进行了研究;
This paper studies the best composition and the delay time with the maximum detonation pressure of how FAM composed with the Po-Air obtains , and studies the best composition with the maximum detonation pressure of how Po-Air-Ai mixture obtains .
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在端双羟基聚苯乙烯和聚丙二醇中加入偶联剂2,4-甲苯二异氰酸酯(TDI),采用一步法或二步法制备了苯乙烯-环氧丙烷多嵌段共聚物。
Styrene and propylene oxide multiblock copolymers were synthesized by coupling between polypropylene glycol and dihydroxy-terminated polystyrene with 2,4-toluene diisocyanate ( TDI ) as the coupling agent via one step method or two step method .
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用盐酸分离出麦草氧碱黑液中的木素,用环氧丙烷(PO)在高温高压下使木素改性。
Wheat straw oxygen alkali lignin ( AOL ) was precipitated from the oxygen alkali pulping black liquor by adding HCl and H AOL was synthesized from AOL and propylene oxide ( PO ) under high temperature and high pressure .
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其中CO分子和CHO,OH自由基的浓度增幅显著大于其他反应产物,表明这几个基团是环氧丙烷爆燃转爆轰过程中起主导作用的重要基团。
Of products increased sharply . Among these main products , concentration increments of molecule CO , and radicals CHO and OH were greater than other products , which means that CO , CHO and OH are the dominant species that affect the DDT process greatly .
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用Mg-Al基复合物催化环氧丙烷(PO)一步嵌入乙酸酐(AA)合成了1,2-丙二醇二乙酸酯(PGDA),经红外光谱、电喷雾质谱鉴定得到了预期产物。
A one-pot process catalyzed by Mg-Al composite is used to synthesize 1,2-propylene glycol diacetate ( PGDA ) by inserting propylene oxide ( PO ) into acetic anhydride ( AA ) directly .
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结果表明,在没有环氧丙烷(PO)助剂存在时,DBN的催化活性很低;
The results manifested that the catalytic activities of DBN are very high in the presence of the propylene oxide ( PO ) promoter , but very low in the absence of PO promoter .