News

Thermosensitive spontaneous gradient copolymers with block- and gradient-like features *

July 2017 – Polymer Chemistry, The Royal Society of Chemistry Reversible addition–fragmentation chain transfer (RAFT) copolymerization was used to prepare copolymers of N-isopropyl acrylamide (NIPAM) and vinyl acetate (VAc) with mole fractions of NIPAM ranging from 0.1 to 0.6 and targeted degrees of polymerization of 100 and 250. The

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Dual pH and ultrasound responsive nanoparticles with pH triggered surface charge-conversional properties *

June 2017 – Polymer Chemistry, The Royal Society of Chemistry A series of dual pH- and ultrasound responsive statistical copolymers were synthesized via the reversible addition–fragmentation chain transfer (RAFT) polymerization of 3,4-dihydro-2H-pyran (DHP) protected HEMA 2-((tetrahydro-2H-pyran-2-yl)oxy)ethyl methacrylate (THP-HEMA) and 2-(dimethylamino)ethyl methacrylate (DMAEMA). The RAFT-controlled nature of the

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Effect of the Degree of Quaternization and Molar Mass on the Cloud Point of Poly [2-(dimethylamino) ethyl methacrylate] Aqueous Solutions: A Systematic Investigation

June 2017 – Macromolecular Chemistry and Physics, WILEY-VCH Verlag GmbH A systematic investigation to fine-tune the cloud point of thermoresponsive poly [2-(dimethylamino)ethyl methacrylate) (p(DMAEMA)) aqueous solutions in a broad temperature interval is reported. For this research, p(DMAEMA)s of different molar mass are quaternized at distinct degrees with

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New US Office in Ohio

April 2017 – Chemspeed Technologies is proud to announce that due to our remarkable growth and coinciding with our 20th anniversary, we have established a new U.S. location at 1070 Polaris Parkway, Columbus OH. This expansion enables Chemspeed to continue to accelerate business in the U.S. and

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Borealis (NPK Analysis, QC – Production)

May 2017 – Our samples analysed per shift are solids and liquid samples. We are using this system for the process analysis. The robot is connected to an IC system and coupled with a titration system for a free acid titration. The system is running very stable

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NOVA Chemicals Corporation has selected Chemspeed Technologies

April 2017, Calgary, Canada – NOVA Chemicals Corporation has selected Chemspeed Technologies to supply customized, automated High-Throughput & High-Output platforms for integration into their catalyst, process, and product development workflow. For more information: ISYNTH POSYCAT AUTOPLANT POSYCAT AUTOPLANT POSY About NOVA Chemicals NOVA Chemicals develops and manufactures

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Indian Oil Accelerates and Standardizes its Refinery Catalyst Development with Chemspeed’s High-Throughput & High-Output Workflows for Catalyst Impregnation

March 2017, Faridabad, India – In order to accelerate and standardize IOCL’s refinery catalyst development, we are using Chemspeed’s High-Throughput & High-Output Workflows for Catalyst Impregnation based on Chemspeed’s fully automated integrated ISYNTH array reactors in conjunction with its overhead gravimetric dispensing of powders and extrudates. We continuously

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Palladium-Catalyzed Direct α-Arylation of p-Methoxybenzyl-Protected S,S-Dimethylsulfoximine

February 2017 – Juan A. Sirvent, Bayer Pharma AG, Drug Discovery Palladium-Catalyzed Direct α-Arylation of p-Methoxybenzyl-Protected S,S-Dimethylsulfoximine Sulfoximines have recently gained considerable recognition as an important structural motif in the life sciences. This is especially true for (hetero)aryl-substituted S,S-dimethylsulfoximine derivatives, such as the marketed insecticide sulfoxaflor, as well

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First catalytic asymmetric hydrogenation of quinoxaline-2- carboxylates

January 2017 – Tetrahedron, Prof. Sébastien Paul, Université de Lille First catalytic asymmetric hydrogenation of quinoxaline-2-carboxylates For the first time, the asymmetric hydrogenation of quinoxaline-2-carboxylates was performed successfully. The best catalysts are based on iridium complexes modified by chiral phosphorous ligands. Accelerated examination of ligands and catalysts has

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Origin of the Normal and Inverse Hysteresis Behavior during CO Oxidation over Pt/Al2O3

January 2017 – ACS Catalysis, Prof. Dr. Jan-Dierk Grunwaldt, KIT Karlsruhe.  Origin of the Normal and Inverse Hysteresis Behavior during CO Oxidation over Pt/Al2O3 By the application of conventional and advanced preparation methods, such as flame spray pyrolysis and supercritical fluid reactive deposition, a series of catalysts

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