Results 51 to 60 of about 105,512 (337)

Adsorption of Polymeric Additives Based on Vinyl Acetate Copolymers as Wax Dispersant and Its Relevance to Polymer Crystallization Mechanisms

Journal of Chemistry, 2015
The present work has main target to study the effect of additives molecular weight and composition on the flow characteristics of wax crude oil at low temperature below pour point temperature.
Ayman M. Atta, Rasha A. El-Ghazawy, Fatma A. Morsy, Ali M. S. Hebishy, Abdullah Elmorsy   +4 more
doaj   +1 more source

Thermoplastic rubber comprising ethylene-vinyl acetate copolymer, asphalt and fluxing oil [PDF]

, 1970
A thermoplastic rubber is made from a mixture of between about 10 percent and about 50 percent of asphalt, between about 5 percent and about 30 percent fluxing oil, and between about 35 percent and about 70 percent of a copolymer of polyethylene and ...
Hendel, F. J.
core   +1 more source

Direct observation of molecular cooperativity near the glass transition

, 2000
We describe direct observations of molecular cooperativity near the glass transition in poly-vinyl-acetate (PVAc), through nanometer-scale probing of dielectric fluctuations.
A Arbe, B Schiener, C Bennemann, CA Angell, E Vidal Russell, E. Vidal Russell, ER Weeks, G Adam, J Wang, JA Forrest, K Binder, LE Walther, LE Walther, N. E. Israeloff, NG McCrum, PK Dixon, R Bohmer, TR Albrecht, TS Grigera, U Tracht, U Tracht, X Xia, Y Martin   +22 more
core   +1 more source

Soluplus solutions as thermothickening materials for topical drug delivery. [PDF]

, 2019
Soluplus is a pharmaceutical excipient used primarily in the manufacture of solid dispersions. The polymer also exhibits interesting rheology in aqueous solution, increasing in viscosity as the solution is warmed.
Abou Shamat, Mohamad, Cook, Michael
core   +2 more sources

Cell‐Delivering Injectable Hydrogels with Tunable Microporous Structures Improve Therapeutic Efficacy for Volumetric Muscle Loss

Advanced Functional Materials, EarlyView.
The study presents an injectable hydrogel with tunable microporosity to improve mesenchymal stem cell delivery for volumetric muscle loss treatment. Mesenchymal stem cells encapsulated in porous hydrogels significantly promote the spreading, proliferation, and cytokine secretion of mesenchymal stem cells.
Hana Yasue, Tetsushi Taguchi, Taka‐Aki Asoh, Akihiro Nishiguchi   +3 more
wiley   +1 more source

PdS-ZnS-Doped Electrospun Polymer Nanofibers as Effective Photocatalyst for Hydrogen Evolution

Hydrogen
Poly(vinyl acetate) nanofibers doped with PdS-ZnS nanoparticles (PdS-ZnS/PVAc nanofibers) were fabricated via an electrospinning technique. PdS-ZnS nanoparticles were in situ synthesized by adding (NH4)2S solution to poly(vinyl acetate)/zinc acetate ...
Gopal Panthi, Arun Gyawali
doaj   +1 more source

Synthesis and Characterization of Polymeric Surfactant from Palm Oil Methyl Ester and Vinyl Acetate for Chemical Flooding

Reaktor, 2021
Surfactants for enhanced oil recovery are generally made from non-renewable petroleum sulfonates and their prices are relatively expensive, so it is necessary to synthesis the bio-based surfactants that are renewable and ecofriendly.
Agam Duma Kalista Wibowo, Pina Tiani, Lisa Aditya, Aniek Sri Handayani, Marcelinus Christwardana   +4 more
doaj   +1 more source

Промышленная ультразвуковая установка по производству катализатора синтеза винилацетата [PDF]

, 2008
Представлено опис промислової установки по виробництву цинкацетатного каталізатора синтезу вінілацетату на базі ультразвукового реактора просочення потужністю 150 тонн/рік.
Роменский, А. В.
core  

Asymmetric preparation of antifungal 1-(4 -chlorophenyl)-1-cyclopropyl methanol and 1-(4 -chlorophenyl)-2-phenylethanol. Study of the detoxification mechanism by Botrytis cinerea [PDF]

, 2011
Chiral alcohols are important as bioactive compounds or as precursors to such molecules. On the basis of the different antifungal properties of the enantiopure alcohol derivatives of 4-chlorophenyl cyclopropyl ketone and benzyl 4-chlorophenyl ketone ...
Aleu Casatejada, Josefina, Bustillo Pérez, Antonio, González Collado, Isidro, Hernández Galán, Rosario, Pinedo Rivilla, Cristina   +4 more
core   +2 more sources

Toward the 3rd Generation of Smart Farming: Materials, Devices, and Systems for E‐Plant Technologies

Advanced Functional Materials, EarlyView.
This review explores the latest developments in e‐plant technologies, which are revolutionizing smart farming by enabling real‐time monitoring of plant and environmental conditions. It covers the design, applications, and systems of e‐plant devices, detailing how they integrate data analytics to optimize agricultural practices, enhance crop yields, and
Daegun Kim, Jonghyun Won, Hyeongmin Park, Jun‐Gyu Choi, Sungjun Park, Giwon Lee   +5 more
wiley   +1 more source