苯乙炔
- 网络Phenylacetylene;Ppv
-
金属钼催化C(60)和苯乙炔共聚物合成及光限幅性能的研究
Optical Limiting Properties and Synthesis of C_ ( 60 ) and Phenylacetylene Copolymer Catalyzed by MoCl_5 / Ph_4Sn
-
用高压反应釜对一种骨架Ni催化剂和八种Pd/Al2O3催化剂在苯乙烯环境下,对连串反应苯乙炔的选择性加氢性能进行了实验评价。
The catalytic performance of a Raney nickel catalyst and eight Pd / Al_2O_3 catalysts in selective hydrogenation of phenylacetylene in the presence of styrene was studied using a high-pressure reactor .
-
激光引发W(CO)6-CoCl2-CCl4-THF催化剂体系苯乙炔聚合反应的研究
Laser-Initiated Polymerization of Phenylacetylene Using W ( CO ) _6-CoCl_2-CCl_4-THF Catalyst Systems
-
合成了含二(2,4,6-三甲基苯基)硼基的苯乙炔单体,以Rh催化剂进行聚合反应。
Acetylenic monomer containing bis ( 2,4,6-trimethylphenyl ) boryl moiety was synthesized and polymerized with Rh-based catalysts .
-
去除苯乙烯(ST)中的苯乙炔(PA)是生产高品质苯乙烯单体产品的重要环节。
Removing Phenylacetylene ( PA ) from crude styrene is an important step in producing high quality styrene ( ST ) monomer .
-
聚对苯乙炔(PPV)的薄膜电致发光特性
The thin film electroluminescence characters of PPV polymer
-
采用紫外光电子能谱(UPS),分析了不对称四苯基四苯乙炔基环辛四烯(COT-H)有机发光材料与金属之间的界面电子结构,研究了在金属/COT-H界面上的逸出功变化。
The electronic structure of the interface between cyclooctatetrene ( COT H ) and Ru metal is studied by the ultraviolet photoelectron spectroscopy ( UPS ) .
-
通过在SiO2无机层上蒸镀长链醇的取向方法以及摩擦聚酰亚胺层的取向方法,证明了高双折射率、负介电各向异性双氟二苯乙炔液晶具有优良的垂面取向特性。
Excellent homeotropic alignment of high birefringence and negative dielectric anisotropy difluoro-tolane liquid crystals was demonstrated using long-chain alcohol evaporated SiO2 inorganic layers and buffed polyimide layers .
-
聚对苯乙炔(PPV)不仅是一种导电高分子材料,同时也是一种性能良好的电致发光材料。
Poly-phenylene vinylene ( PPV ) is not only a kind of conducting material but a fine kind of electroluminescent material .
-
本文介绍了适用于RTM成形聚酰亚胺材料的研究进展,主要包括采用降冰片烯酸酐(NA)封端的PMR聚酰亚胺树脂和使用苯乙炔基封端剂合成的聚酰亚胺树脂。
RTM polyimide materials mainly including the PMR polyimides end-capped with nadic anhydride ( NA ) and phenylethynyl end-capped polyimides were reviewed in this paper .
-
聚对苯乙炔PPV是一种空穴传输型(p-型)聚合物半导体材料,具有良好的电致发光、光致发光、光学非线性、光伏以及光电导特性。
PPV is a hole transport type semiconductor material , has a good electroluminescence and photoluminescence , optical nonlinearity , photovoltaic and photoconductive properties .
-
当我们用配体4a作为催化剂在对苯乙炔对醛的不对称加成反应中,最高的ee可达99%。
When we used ligand 4 a in the asymmetric addition of phenylacetylene to aldehydes at room temperature , the highest ee was up to 99 % .
-
采用4种不同方法合成了导电高分子聚(2,5-二甲氧基对苯乙炔)(PPV),并对性能进行了研究。
Conductive polymers of poly ( 2,5 dimethoxy p phenylene vinylene ) were synthesized by four different methods , and their photoluminescent and conductive properties were studied .
-
聚对苯乙炔(PPV)及其衍生物被认为是最有希望实现商业化半导体聚合物的材料之一,在PLED和PV器件中有广泛应用。
Poly ( p-phenylene vinylene ) derivatives ( PPVs ) are regarded as the most commercial potential materials of polymeric semiconductor and widely applied to PLED and PV devices .
-
采用原位聚合方法制备聚(2-甲氧基-5-辛氧基)对苯乙炔(PMOCOPV)/二氧化钛(TiO2)纳米复合材料。
Poly ( 2-methoxy-5-octoxy ) - p-phenylene vinylene ( PMOCOPV ) / titania ( TiO_2 ) nanocomposites with different contents of TiO_2 nanoparticles were prepared by in-situ polymerization .
-
本文考察不同的侧链长度对聚对苯乙炔(PPV)衍生物的光学性质等的影响,以及PPV/C60的组合薄膜中的激发传递和电荷转移过程。
In this paper , we investigated the effect of side chains on the optical properties of PPV derivatives , the excitation transfer and charge transfer process in the PPV / C 60 composite films .
-
用强碱诱导的脱氯化氢法合成了发光聚合物聚(2,5二丁氧基)对苯乙炔(PDBOPV),并与前聚物路线合成法进行了比较。
Luminescence polymer poly [ 2,5 dibutoxy p phenylene vinylene ] was synthesized through dehydrochlorination induced by strong base .
-
通过双醚化反应、氯甲基化反应和在强碱性条件下进行的脱氯化氢反应,制备出可溶性聚(2甲氧基5辛氧基)对苯乙炔(PMOCOPV)。
A soluble poly ( 2 methoxy 5 octyloxy ) p phenylene vinylene ( PMOCOPV ) was synthesized through double etherification , chloromethylation and dehydrochlorination reactions .
-
在相同反应条件下,我们也试验了配体4f催化苯乙炔对脂肪酮(isopropylmethylketone,异丙基甲酮)的加成效果,可以得到54%ee值,产率可达到80%。
Used 4f as ligands , the ee values were up to 90 % while yields up to 90 % were obtained . Under the same conditions , we also used ligands 4f in the addition of phenylacetylene to the aliphatic ketone : isopropyl methyl ketone .
-
以苯乙烯为原料合成的苯乙炔和甲基二氯硅烷在有机镁试剂中反应,合成了甲基二苯乙炔基硅烷(MDPES)单体。
Methyl-di ( phenylethynyl ) silane ( MDPES ) was synthesized with phenylacetylene and methyl - dichlorosilane in the presence of organic magnesium reagent and purified with HPLC .
-
以单层聚对苯乙炔(PPV)薄膜发光二极管为例,研究其薄膜中的电场分布,探讨其电场分布对载流子注入、输运和复合的影响。
Taking single layer poly ( p phenylene vinylene )( PPV ) thin film light emitting diodes ( LEDs ) as example , the electric field distribution in PPV thin film and its effect on injection , transportation and combination of carriers are investigated .
-
甲基二苯乙炔基硅烷(MDPES)聚合后具有耐高温、低介电损耗等优异性能,但力学性能低。
Polymer of methyl-di-phenylacetylene-silane ( MDPES ) possesses excellent properties of high temperature-resistance , low dielectric dissipation fraction , etc , but its mechanical property is not significant for its poor bonding with glass-fiber .
-
利用脱氯化氢反应制备π共轭高分子聚[2-甲氧基-5-(3′-甲基)丁氧基]对苯乙炔(MMB-PPV)。
Poly [ 2-methoxy-5 - ( 3 ′ - methyl ) butoxy ] - p - phenylene vinylene ( MMB-PPV ) was synthesized by dehydrochlorination reaction and the optical and electrical properties of the MMB-PPV films implanted by N ~ + ions have been also studied .
-
4-苯乙炔苯酐及其封端的聚酰亚胺
4 - ( Phenylethynyl ) Phthalic Anhydride and Its Polyimide Oligomer
-
双核钛氢络合物在二苯乙炔加氢反应中的催化作用
Catalytic Action of Binuclear Ti-H Complexes in Hydrogenation of Diphenyl Ethyne
-
双马来酰亚胺改性甲基二苯乙炔基硅烷复合材料的制备及性能研究
Preparation and Properties of Bismaleimide-modified Methyl-Di ( phenylethynyl ) silane Composites
-
单层聚对苯乙炔薄膜器件载流子的注入和传输
Study on Injection and Transportation of Carriers in Single-layer PPV-film Device
-
苯乙炔吸附在金电极上的现场表面增强拉曼光谱研究
In Situ Surface-enhanced Raman Spectroscopic Studies of Phenylacetylene Adsorbed on Gold Electrode
-
电场作用下二苯乙炔分子导线理论研究
Theoretical Studies on Diphenylacetylene Molecular Wire under External Electric Field
-
苯乙烯存在下的苯乙炔选择性加氢技术
Selective Hydrogenation Technology of Phenylacetylene in the Presence of Styrene