標(biāo)題: Titlebook: Coordination Polymerization; Charles C. Price (Benjamin Franklin Professor of C Book 1983 Plenum Press, New York 1983 Copolymer.Polyolefin [打印本頁] 作者: Optician 時(shí)間: 2025-3-21 18:33
書目名稱Coordination Polymerization影響因子(影響力)
作者: 新奇 時(shí)間: 2025-3-21 21:44
Coordination Polymerization,able mechanism of the newly-discovered Ziegler, transition metal-based, low pressure ethylene polymerization catalyst. Rapidly this system was found to apply to other olefins, diolefins, epoxides, and vinylethers. The author’s involvement in this area from the inception is reviewed, including some u作者: DOLT 時(shí)間: 2025-3-22 02:16 作者: 配置 時(shí)間: 2025-3-22 05:56 作者: obnoxious 時(shí)間: 2025-3-22 08:46
Novel Catalyst Systems, Based on Organozinc Compounds and Group IVB Organometallic Compounds, for t organometallic compounds..Triphenyl group-IVB-metal hydroxides, Ph.MOH (M = Sn, Pb), as well as group IVB organometallic oxides, sulphides and selenides of the type R.MX or R.MXMR. (X = 0, S, Se) yield very active catalysts upon 1/1 interaction with Et.Zn. The reaction products of 2-hydroxyethyl (t作者: nonsensical 時(shí)間: 2025-3-22 14:28
,Polymers and Copolymers of Methyl ω-Epoxyalkanoates, the aluminumalkyl/water/acetyl-acetone (1/0.5/1) initiator system. The polymers are of high molecular weight with a M. of 250,000 and a polydispersity slightly more than the most probable molecular weight distribution of 2. Homopolymers and copolymers with cyclic ethers have been characterized by s作者: nonsensical 時(shí)間: 2025-3-22 18:44
Stereochemical Aspects of the Polymerization of Cis and Trans Thiiranes Using Chiral Initiators,clic monomers using chiral initiators..The use of the same initiators is now applied to disubstituted monomers..Trans dimethylthiirane, a racemic monomer, mixture of two stereoisomers bearing two asymmetric carbons of identical configuration, give by polymerization optically inactive composed of -RS作者: maverick 時(shí)間: 2025-3-23 00:13 作者: Nebulous 時(shí)間: 2025-3-23 03:11
Tetraneophylzirconium and its Use in the Polymerization of Olefins,the 2-methyl-2-phenylp. ropyl group). Neophylzirconium aluminate or hydridozirconium aluminate supported on alumina are extremely active catalysts for high temperature (300°C) polymerization of ethylene. The high catalyst efficiency and the innocuous nate of the catalyst residues eliminate the need 作者: 口音在加重 時(shí)間: 2025-3-23 08:13 作者: 煉油廠 時(shí)間: 2025-3-23 11:32
Supported Catalysts for Polypropylene: Aluminum Alkyl-Ester Chemistry,activity and stereospecificity. NMR investigations show that AlEt. alkylates ethyl benzoate by the following reaction: PhCO.Et + 3 AlEt. → 1/2 (Et.AlOEt). + Et.Al·Et.AlOCEt.Ph. The rate of ethyl benzoate consumption decreases with lower Al/PhCO.Et ratios. Atmospheric pressure polymerization studies 作者: harbinger 時(shí)間: 2025-3-23 16:42 作者: 換話題 時(shí)間: 2025-3-23 19:19 作者: adhesive 時(shí)間: 2025-3-23 23:53 作者: enumaerate 時(shí)間: 2025-3-24 04:58 作者: Abutment 時(shí)間: 2025-3-24 09:16
978-1-4613-3577-1Plenum Press, New York 1983作者: 疏遠(yuǎn)天際 時(shí)間: 2025-3-24 13:32
Polymer Science and Technology Serieshttp://image.papertrans.cn/c/image/238076.jpg作者: 預(yù)感 時(shí)間: 2025-3-24 18:53
Coordination Polymerization978-1-4613-3575-7Series ISSN 0093-6286 作者: ENACT 時(shí)間: 2025-3-24 21:05
Japanese Companies Come to Britain,ter of a century. Despite the immense amount of industrial and academic effort expended, and despite much broad understanding of the factors involved, a full understanding of much of the detail of many aspects of selectivity in polymerization remains as a challenge to chemists.作者: 共和國 時(shí)間: 2025-3-25 02:21 作者: 簡潔 時(shí)間: 2025-3-25 04:33 作者: 間接 時(shí)間: 2025-3-25 09:53 作者: 難管 時(shí)間: 2025-3-25 11:57
,‘Colours and Cries, Buff and Blue’,as widely been believed that the steric regulation in the isotactic propagation stage is effectuated by the chiral structure around the catalyst sites. A number of proposals concerning possible structures of the catalyst site have been presented. Most of the proposed mechanism for the steric course 作者: micronized 時(shí)間: 2025-3-25 18:30
,‘Colours and Cries, Buff and Blue’,eactive for the polymerization of epoxides to give high molecular weight polyethers. Condensates of organotins with alkyl phosphates are highly reactive catalysts and give highly crystalline polymers of epoxides. The condensates obtained from Friedel-Crafts type metal halides give less crystalline p作者: Dislocation 時(shí)間: 2025-3-25 21:24
,The Business of Government, 1835–41, organometallic compounds..Triphenyl group-IVB-metal hydroxides, Ph.MOH (M = Sn, Pb), as well as group IVB organometallic oxides, sulphides and selenides of the type R.MX or R.MXMR. (X = 0, S, Se) yield very active catalysts upon 1/1 interaction with Et.Zn. The reaction products of 2-hydroxyethyl (t作者: 賄賂 時(shí)間: 2025-3-26 01:50
,Anthony Powell’s Archetypal Characters, the aluminumalkyl/water/acetyl-acetone (1/0.5/1) initiator system. The polymers are of high molecular weight with a M. of 250,000 and a polydispersity slightly more than the most probable molecular weight distribution of 2. Homopolymers and copolymers with cyclic ethers have been characterized by s作者: Dealing 時(shí)間: 2025-3-26 05:08
,Anthony Powell’s Archetypal Characters,clic monomers using chiral initiators..The use of the same initiators is now applied to disubstituted monomers..Trans dimethylthiirane, a racemic monomer, mixture of two stereoisomers bearing two asymmetric carbons of identical configuration, give by polymerization optically inactive composed of -RS作者: 嘲弄 時(shí)間: 2025-3-26 10:13
,Orwell’s Fictions of the Thirties, to the preparation of optically active poly(alkyl vinyl ether)s by starting both from optically active monomers and racemic ones have been presented. In particular, to approach the mechanistic aspects of the stereospecific heterogeneous catalytic systems based on alkyl or alkoxy aluminum and sulphu作者: 角斗士 時(shí)間: 2025-3-26 13:50
,Anthony Powell’s Archetypal Characters,the 2-methyl-2-phenylp. ropyl group). Neophylzirconium aluminate or hydridozirconium aluminate supported on alumina are extremely active catalysts for high temperature (300°C) polymerization of ethylene. The high catalyst efficiency and the innocuous nate of the catalyst residues eliminate the need 作者: frozen-shoulder 時(shí)間: 2025-3-26 18:33
,Density, Pressure and Hooke’s Law,ssure with no other components necessary. The polymer prepared from (I) and ethylene is essentially linear high density polyethylene. During the.ethylene polymerization, there is a fairly rapid catalyst-destroying termination reaction which limits mileage to about lg mmole of Scandium. Compound (I) 作者: CLOT 時(shí)間: 2025-3-26 20:58 作者: AMEND 時(shí)間: 2025-3-27 04:25
Magnetism and Electro-Magnetism,distribution . at temperatures below -65°C. The coupling reaction between iodine-terminated living polypropylene and monofunctional living polystyrene anion was examined at 50°C and shown to result in the quantitative formation of monodisperse AB block copolymer of propylene and styrene. In addition作者: 全神貫注于 時(shí)間: 2025-3-27 05:58 作者: blackout 時(shí)間: 2025-3-27 09:40 作者: 同步左右 時(shí)間: 2025-3-27 15:38
Expansion, Gas Laws and Kinetic Theory,Although highly active polymerization catalysts prepared from TiCl. supported on MgCl. and aluminum alkyls have been used for the stereospecific polymerization of propylene since the early seventies, . no report has appeared up to now concerning the polymerization of racemic α-olefins with this type of catalytic system.作者: interior 時(shí)間: 2025-3-27 18:34 作者: aerial 時(shí)間: 2025-3-28 01:13
Selectivity in Addition Polymerization,ter of a century. Despite the immense amount of industrial and academic effort expended, and despite much broad understanding of the factors involved, a full understanding of much of the detail of many aspects of selectivity in polymerization remains as a challenge to chemists.作者: conference 時(shí)間: 2025-3-28 04:31
,Some Aspects of Coordination Homo- and Copolymerization of High α-Olefins, Cyclic and Allene Hydrocaused a revolution in macromolecular chemistry which has meant that many of the established notions have had to be reconsidered and has given rise to new works and ideas in the polymerization of the carbochain and hetero-atomic monomers.作者: 語源學(xué) 時(shí)間: 2025-3-28 06:56
,‘Colours and Cries, Buff and Blue’,on of isotactic enchainments of the monomeric units is brought about. Owing to “the third generation catalyst”, polypropylene industries are achieving dramatic innovation in terms of productivity and of energy conservation. Mechanistic elucidation of the role of the catalyst components, such as MgCl作者: A保存的 時(shí)間: 2025-3-28 12:44 作者: 諷刺 時(shí)間: 2025-3-28 17:51 作者: 名義上 時(shí)間: 2025-3-28 19:16
Magnetism and Electro-Magnetism,the ester alkylation reaction while maintaining catalyst activity. Two types of cocatalysts have been found which give significantly better catalyst performance than the AlEt. cocatalyst: (1) sterically hindered trialkyl aluminum cocatalysts, such as s-Bu.AlEt and t-Bu.AlEt and (2) certain aluminum 作者: misshapen 時(shí)間: 2025-3-29 02:39 作者: 廢止 時(shí)間: 2025-3-29 05:47
Charles C. Price (Benjamin Franklin Professor of C作者: pulmonary 時(shí)間: 2025-3-29 09:08
Molecular Level Elucidation of Stereospecific Polymerization of Methyloxirane Using a Well-Defined on of isotactic enchainments of the monomeric units is brought about. Owing to “the third generation catalyst”, polypropylene industries are achieving dramatic innovation in terms of productivity and of energy conservation. Mechanistic elucidation of the role of the catalyst components, such as MgCl作者: visual-cortex 時(shí)間: 2025-3-29 13:16 作者: Mhc-Molecule 時(shí)間: 2025-3-29 18:35
Stereochemical Aspects of the Polymerization of Cis and Trans Thiiranes Using Chiral Initiators,ive polymers. This result shows that the initiator is able to recognize the donfiguration of an asymmetric carbon in a molecule and to direct an attack on a preferential side in agreement with a homochirality rule. The enantiomeric distribution in the polymer chain, i. e. the proportion of -RR- and 作者: 消極詞匯 時(shí)間: 2025-3-29 22:52 作者: jarring 時(shí)間: 2025-3-30 01:32
0093-6286 enberg has been involved in coordination polymerization in both ring-opening and a-olefin type polymerizations, both were covered in the symposium, whose progra978-1-4613-3577-1978-1-4613-3575-7Series ISSN 0093-6286 作者: 尊敬 時(shí)間: 2025-3-30 06:14 作者: Hyperopia 時(shí)間: 2025-3-30 11:21 作者: 他很靈活 時(shí)間: 2025-3-30 15:05
,“Living” Coordination Polymerization of Propylene and its Application to Block Copolymer Synthesis, anion was examined at 50°C and shown to result in the quantitative formation of monodisperse AB block copolymer of propylene and styrene. In addition, sequential polymerization of ethylene and propylene was attempted in the presence of the soluble V (acac)./Al (C.H.).Cl system to synthesize block copolymers.作者: NOCT 時(shí)間: 2025-3-30 19:47
School, Work and Future Career,role of various components of catalytic system in the formation of active centers; ii)the plausible composition of active centers; iii)the mechanism of separate polymerization steps; iv)the possible reasons for the increased activity of supported catalysts in comparison with conventional Ziegler-Natta catalysts.作者: 拉開這車床 時(shí)間: 2025-3-31 00:39
,Melbourne and Opposition, 1834–35,s indicated for future investigations. Some of the author’s recent unpublished work in the epoxide area is presented, including the first preparation and description of the properties of high molecular weight, isotactic polyglycidol, an unusual water-soluble polymer.作者: Organonitrile 時(shí)間: 2025-3-31 01:33
,Anthony Powell’s Archetypal Characters,tion of methyl alkenoates with m-chloroperbenzoic acid. The rate of epoxidation and of subsequent polymerization depended on the length of the spacer length of methylene groups. The rates were low when the spacer length was 0 or 1 and reached a constant value when the spacer group had more than 3 methylene groups.作者: enflame 時(shí)間: 2025-3-31 08:53
Coordination Polymerization,s indicated for future investigations. Some of the author’s recent unpublished work in the epoxide area is presented, including the first preparation and description of the properties of high molecular weight, isotactic polyglycidol, an unusual water-soluble polymer.作者: 保守黨 時(shí)間: 2025-3-31 10:13
