Oil & Gas Science and Technology – Rev. IFP Energies nouvelles
Catalysis, irrespective of its form can be considered as one of the most important pillars of today’s chemical industry. The development of new catalysts with improved performances is therefore a highly strategic issue. However, the a priori theoretical design of the best catalyst for a desired reaction is not yet possible and a time- and money-consuming experimental phase is still needed to develop a new catalyst for a given reaction.
Reaction Chemistry & Engineering, The Royal Society of Chemistry
Knochel – Hauser bases, derived from 2,2,6,6-tetramethylpiperidinyl (TMP) metal amides, offer exceptional selectivity and functional group tolerance in the regioselective metalation of arenes and heteroarenes. The selectivity, stability and yield of these reactions are highly dependent on the nature of the base, additive and deprotonation temperature.
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 measured kinetic parameters and obtained experimental results revealed that this copolymerization system leads to a “one pot” synthesis of amphiphilic gradient copolymers,
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)
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 methyl iodide to obtain an expanded library of poly[DMAEMA-copoly[ 2-(methacryloyloxy) ethyl] trimethylammonium iodide]s
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.
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 in particular in the Consumer Goods and Performance Materials markets.
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
Sulfoximines have recently gained considerable recognition as an important structural motif in the life sciences