异丙苯
- 网络cumene;isopropyl benzene;CHP
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NixB/沸石催化剂上异丙苯的吸附态
The adsorbed state of cumene on ni_xb / zeolite catalyst
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对催化剂酸性和孔结构的作用分析表明:异丙苯歧化反应中,酸J性是影响催化剂歧化反应活性的重要因素。
Both the acidity and pore structures have a great effect on the activities of the catalysts and the product distribution in cumene disproportionation .
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溢流床反应器AMS加氢合成异丙苯
Hydrogenation of AMS to cumene in overflow-bed reactor
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使用了硫磺(S)和过氧化二异丙苯(DCP)两种硫化体系。
A sulphur curing system and peroxide curing system were used for comparison .
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以过氧化苯甲酰(BPO)、过氧化二异丙苯(DCP)为引发剂,用固相接枝法在聚丙烯(PP)粉表面接枝马来酸酐(MAH)。
MAH was grafted on PP powder surface by solid phase graft copolymerization with BPO and DCP as initiators .
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MCM-22分子筛在二异丙苯烷基转移反应中的应用
Application of Zeolite MCM-22 in Diisopropylbenzene Transalkylation Reaction
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讨论了过氧化二异丙苯(DCP)交联聚乙烯(XLPE)的工艺、凝胶率对XLPE力学性能及结晶度等的影响。
The influences of the technology of DCP crosslinked XLPE and gel rate on mechanical properties and crystallinity of XLPE were discussed .
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以含Cu的中孔分子筛(Cu-HMS)为催化剂,研究异丙苯的催化氧化。
Catalytic oxidation of cumene was investigated using hexagonal mesoporous silica molecular sieve with Cu ( Cu-HMS ) as catalyst .
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研究了在均相体系中,以所合成的Schiff碱Co(Ⅱ)配合物为模拟氧载体,考察了这一催化体系在以空气为氧源温和条件下催化异丙苯氧化反应。
The catalytic properties of Schiff base cobalt ( II ) complexes in the oxidation of cumene in homogenous system have been studied and obtained the best reaction conditions .
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用过氧化二异丙苯(DCP)作为引发剂,采用双螺杆反应挤出的苯乙烯、马来酸酐2种单体同时接枝聚丙烯。
Using DCP as the initiator , polypropylene was modified by simultaneous grafting with maleic anhydride and styrene by extrusion .
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结果表明:磷使强酸受到抑制,正丙苯的含量较Hβ分子筛有显著下降,多异丙苯生成量有所降低,从而提高了Hβ催化剂的选择性;
The results show that the modification of H β zeolite by phosphorus suppresses acid strength and also significantly decreases the total amount of acid and the content of n-propylbenzene , and therefore the alkylation selectivity is increased ;
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研究了过氧化二异丙苯(DCP)含量对PE-HD凝胶含量的影响。
The effect of dicumyl peroxide ( DCP ) content on gel fraction of PE-HD was investigated .
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异丙苯氧化反应工艺的模拟本文采用阳极氧化工艺制备AlGaAs/GaAs自身氧化膜,进而制成MOS结构。
Self-Oxidic film on AlGaAs / GaAs has been made by means of anodic oxidation processing , thus , MOS structure is formed in a further step .
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异丙苯的Antoine常数
The Antoine coefficients of Cumene
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固定交联剂过氧化二异丙苯(DCP)用量为2份,当体系中POE与EPDM的质量比为40/20时,材料的综合性能最佳。
When the DCP content was 2 phr and the POE / EPDM mass ratio was 40 / 20 , the system had the best performance .
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用程序升温脱附(TPD)和程序升温表面反应(TPSR)技术研究了苯,丙烯和异丙苯在Hβ沸石上的吸附和脱附行为。
The adsorption and desorption behavior of benzene , propene and cumene on H β zeolite was studied with the apparatus as shown in Fig.
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异丙苯合成失活FX-01催化剂的烧炭再生
Regeneration of Coked FX 01 Catalyst Used in Synthesis of Isopropylbenzene
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根据该机理,采用分步加入铝源和硅源的新方法合成出了MCM-41-C分子筛。并用XRD、IR、NH3-TPD和异丙苯裂解试验等手段,对MCM-41-C分子筛的性能进行了初步考查。
On the basis of the mechanism , a modified molecular sieve , MCM41C , was synthesized by a new method including aluminum and silicon source additions step by step .
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以过氧化二异丙苯(DCP)为引发剂,在转矩流变仪中制备了PS-g-AA接技物。
The grafter , PS-g-AA , was prepared in torque rheometer with DCP as initiator .
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过氧基异丙苯(CHP)和Vc/Fe2+ROS激发体系所测定的荧光值之间也存在显著差别(P<0.05)。
Between CHP and Vc / Fe 2 + ROS generating groups , the fluorescence value was significantly different ( P < 0.05 ) .
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研究了纳米SiO2改性的质量分数和马来酸酐/苯乙烯/过氧化二异丙苯(MAH/St/DCP)多单体熔融接枝、交联的改性方法对TPV力学性能的影响;
The effects to mechanical properties were investigated by analyzing the mass ratio of nano-silica and the modification of MAH / St / DCP multi-monomer melt grafting .
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异丙苯在Cu-HMS分子筛上的催化氧化
Catalytic Oxidation of Cumene over Cu - HMS Molecular Sieve
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反应12h后,异丙苯转化率为424%,目的产物的累积浓度为463%,选择性为956%。
And the conversion and accumulated concentration were 42 36 % and 46 3 % respectively with a CHP selectivity of 95 6 % after 12 h.
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系统研究了单体MAH、St、引发剂过氧化二异丙苯(DCP)和助剂用量对MAH接枝率以及PP降解和交联的影响,并对其影响因素作了分析。
The influences of amount of MAH , St , DCP and the assistant on the grafting ratio , degradation and cross linkage are investigated and influential factors are analyzed .
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MP-01新型异丙苯催化剂中试研究
Pilot Trial Study on Synthesis of Cumene with MP-01 New Catalyst
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Ti-MCM-41的合成及其在过氧化氢异丙苯氧化丙烯反应中的应用
Synthesis of Ti-MCM-41 and Its Application in Epoxidation of Propylene by Using Cumene Hydroperoxide as the Oxidant
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以M-92分子筛为催化剂生产异丙苯的研究
Study on the Production of Cumene Using M-92 Molecular Sieve Catalyst
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液相烷基化制异丙苯MP-01催化剂的性能
Performance of MP-01 Catalyst for Cumene by Liquid Phase Alkylation
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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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结果表明PTSC-NNC训练的RBF神经网络模型能够以更高精度反映异丙苯氧化过程的内在规律,MAC算法具有更好的寻优能力。
Simulation results show the model of network trained by PTSC-NNC can denote inherent rule of the cumene oxidation process and MAC algorithm has better ability of optimization .