Results 21 to 30 of about 7,954 (270)
Materials Research Express, 2020 Polypropylene (PP) and high density polyethylene (HDPE) was melt-blended in pairs at a constant of 80:20 (mm) compositions; this blend is prepared by one-step reactive extrusion in a single-screw extruder. The present study aims to investigate the effect
Yassine Hammache +2 more
doaj +1 more source
Machine learning for active sites prediction of quinoline derivatives
Artificial Intelligence ChemistryPrivileged structures, like quinoline, have diverse biological activities, and their synthetic versatility makes them crucial for drug design. In traditional synthesis methods, the C-H functionalization of quinoline can be effectively achieved using ...
Jie Sun +3 more
doaj +1 more source
Molecules, 2011 In the present study, copolymerization of ethylene and 1-hexene was conducted with a series of ansa-fluorenylamidodimethyltitanium complexes, including [t-BuNSiMe2Flu]TiMe2 (complex 1), [cyclododecylNSiMe2Flu]TiMe2 (complex 2) and [t-BuNSiMe2(2,7-t ...
Bunjerd Jongsomjit +5 more
doaj +1 more source
Enhanced Formation of Dicarboxylic Acids in the Catalytic Oxidation of Polyethylene With O2 and NOx
Angewandte Chemie, EarlyView.The oxidation of polyethylene in the presence of a mixture of O2 and NOx and with Cu2+/V5+ as catalyst yields ∼51 mol% diacids, while retaining ∼80 mol% of the carbon in the oil fraction. The developed method is robust and tolerates several polymer types as well as impurities.
Tom J. Smak +3 more
wiley +2 more sources
Attractive Ni…O Interactions Enable Non‐Alternating Ethylene‐Carbon Monoxide Copolymerization
Angewandte Chemie, EarlyView.Attractive Ni···O interactions are established in phosphine‐imidated and phosphine‐phenolate nickel catalysts, enabling non‐alternating ethylene‐carbon monoxide copolymerization, resulting in superior CO tolerance, productivity and stability compared to the state‐of‐the‐art benchmark.
Yajun Zhao +5 more
wiley +2 more sources
Controlled grafting of vinylic monomers on polyolefins: a robust mathematical modeling approach
Designed Monomers and Polymers, 2017 Experimental and mathematical modeling analyses were used for controlling melt free-radical grafting of vinylic monomers on polyolefins and, thereby, reducing the disturbance of undesired cross-linking of polyolefins.
Mohammad Reza Saeb +7 more
doaj +1 more source
Angewandte Chemie, EarlyView.Epoxide monomers undergo base‐catalyzed ring‐opening copolymerization with elemental sulfur to afford sulfur‐rich polymers under mild conditions. The resulting materials exhibit excellent mechanical performance, strong adhesion (up to 10 MPa on stainless steel), and outstanding reprocessability.
Pan Yang +5 more
wiley +2 more sources
High shear dispersion of tracers in polyolefins for improving their detection
Polímeros, 2015 An efficient recycling of end-of-life products is of crucial interest from an economical and ecological point of view. However, the near infrared spectroscopy often used for the optic sorting processes is limited because of the absorption of carbon black
Valérie Massardier +3 more
doaj +1 more source
Recycling, 2023 European circular economy goals require the use of recycled polymers in sensitive applications such as food packaging. As plastic recyclates can contain unknown post-consumer substances, the European Food Safety Authority evaluates recycling processes ...
Elisa Mayrhofer +8 more
doaj +1 more source
Can clay nanoparticles accelerate environmental biodegradation of polyolefins?
, 2014 Synthetic polyolefins have been used in an enormous array of applications in the modern society, due to a combination of reliable raw materials, low cost processing, tailorable mechanical properties, low density and inertness or stability towards ...
Martin, D. J., Annamalai, P. K.
core +1 more source