Results 101 to 110 of about 5,506 (175)

Preparation of Pincer Hafnium Complexes for Olefin Polymerization

Molecules, 2019
Pincer-type [Cnaphthyl, Npyridine, Namido]HfMe2 complex is a flagship among the post-metallocene catalysts. In this work, various pincer-type Hf-complexes were prepared for olefin polymerization.
Su Jin Kwon, Jun Won Baek, Hyun Ju Lee, Tae Jin Kim, Ji Yeon Ryu, Junseong Lee, Eun Ji Shin, Ki Soo Lee, Bun Yeoul Lee   +8 more
doaj   +1 more source

Correction: Rapid kinetic evaluation of homogeneous single-site metallocene catalysts and cyclic diene: how do the catalytic activity, molecular weight, and diene incorporation rate of olefins affect each other? [PDF]

RSC Adv, 2021
Ali A, Nadeem M, Lu J, Moradian JM, Rasheed T, Aziz T, Maouche C, Guo Y, Awais M, Zhiqiang F, Guo L.   +10 more
europepmc   +1 more source

Correlação entre propriedades reológicas e ópticas de filmes tubulares de polietileno linear de baixa densidade com diferentes distribuições de ramificações curtas Correlation between rheological and optical properties of LLDPE blown films with different distributions of short chain branching

Polímeros, 2006
Devido a suas excelentes propriedades mecânicas o polietileno linear de baixa densidade, PELBD, tem ganhado cada vez mais importância na indústria de embalagens.
Glayton M. Basso, Pedro I. Paulin-Filho, Rosario E. S. Bretas, Alessandro Bernardi   +3 more
doaj   +1 more source

Reductant-Activated, High-Coverage, Covalent Functionalization of 1T′-MoS₂ [PDF]

, 2020
Recently developed covalent functionalization chemistry for MoS₂ in the 1T′ phase enables the formation of covalent chalcogenide–carbon bonds from alkyl halides and aryl diazonium salts.
Brunschwig, Bruce S., Cabán-Acevedo, Miguel, Lewis, Nathan S., Papadantonakis, Kimberly M., Yan, Ellen X.   +4 more
core  

Rapid kinetic evaluation of homogeneous single-site metallocene catalysts and cyclic diene: how do the catalytic activity, molecular weight, and diene incorporation rate of olefins affect each other? [PDF]

RSC Adv, 2021
Ali A, Ali A, Nadeem M, Lu J, Moradian JM, Rasheed T, Aziz T, Maouche C, Guo Y, Awais M, Zhiqiang F, Quo L.   +11 more
europepmc   +1 more source

Efficient Synthesis of Narrowly Dispersed Brush Polymers via Living Ring-Opening Metathesis Polymerization of Macromonomers [PDF]

, 2009
Various macromonomers (MMs) were efficiently synthesized through the copper-catalyzed “click” coupling of a norbornene moiety to the chain end of poly(methylacrylate), poly(t-butylacrylate), and polystyrene that were prepared using atom transfer radical ...
Grubbs, Robert H., Kornfield, Julia A., Xia, Yan   +2 more
core   +1 more source

Styrene Polymerization with Group III Metallocenes: A Generative and Interpretable Catalyst Design Strategy Combining Density Functional Theory and Machine Learning

ChemistryEurope
The rational design of group III metallocene catalysts for styrene polymerization remains a complex challenge due to intertwined steric and electronic effects that govern monomer coordination and insertion. A generative and interpretable machine learning
Stella Christodoulou, Etienne Dos Santos, Romuald Poteau, Laurent Maron   +3 more
doaj   +1 more source

THE LICENSING DILEMMA: UNDERSTANDING THE DETERMINANTS OF THE RATE OF LICENSING [PDF]

Licensing entails a tradeoff: licensing payments net of transaction costs (revenue effect) have to be balanced against the lower price-cost margin and/or reduced market share that the increased competition (profit dissipation effect) from the licensee ...
Andrea Fosfuri
core  

Sixtieth Anniversary of Ziegler-Natta Catalysts and Stereospecific Polymerization [PDF]

Kemija u Industriji, 2015
This review article highlights the history of the discoveries of organometallic catalysts and stereospecific polymerization of α-olefins, dienes and a number of vinyl monomers by Karl Ziegler and Giulio Natta sixty years ago, their developments and ...
Janović Z. , Veksli Z.
doaj  

Effects Of Electron Beam Irradiation On The Mechanical Properties Of Ethylene Octene Copolymer, Polypropylene and Trimethylolpropane Triacrylate Blends [PDF]

, 2005
The effect of electron beam irradiation on blends of ethylene-octene copolymer (EOC) and polypropylene (PP) with and without trimethylolpropane triacrylate (TMPTA) at various ratios was studied.
Raj Kumar, Harris C.
core