Syndiotactic polystyrene (SPS) refers to a type of thermoplastic material with phenyl substituents that are alternately chirally attached on both sides of an aliphatic macromolecular main chain.
Bo Wen +5 more
doaj +1 more source
Ultrafast Molecular Spectroscopy Using a Hollow-Core Photonic Crystal Fibre Light Source [PDF]
We demonstrate, for the first time, the application of rare-gas filled hollow-core photonic crystal fibres (HC-PCFs) as tuneable ultraviolet light sources in femtosecond pump-probe spectroscopy.
Belli, Federico +6 more
core +2 more sources
Rhodium/phospholane-phosphite catalysts give unusually high regioselectivity in the enantioselective hydroformylation of vinyl arenes [PDF]
Using the phospholane-phosphite ligand, BOBPHOS, almost perfect regioselectivities and high enantioselectivities (up to 92% ee) are observed in Rh catalysed enantioselective hydroformylation of vinyl arenes.
Clarke, Matthew L. +3 more
core +1 more source
High molar mass segmented macromolecular architectures by nitroxide mediated polymerisation [PDF]
A straightforward synthetic pathway based on nitroxide mediated polymerisation (NMP) for the synthesis of a variety of high molar mass segmented copolymers comprising both polystyrene (PS) and polyether segments is reported.
Claessens, Sven +6 more
core +2 more sources
Synthesis of 2-Alkenyl-2H-indazoles from 2-(2-Carbonylmethyl)-2H-indazoles
A procedure has been developed for synthesis of 2-alkenyl-2H-indazoles starting from 2-(2-carbonylmethyl)-2H-indazoles, which are prepared by gallium/aluminium- and aluminium-mediated, direct, regioselective alkylation of indazoles with α-bromocarbonyl ...
Mei-Huey Lin +7 more
doaj +1 more source
Blends of styrene-butadiene-styrene triblock copolymer with random styrene-maleic anhydride copolymers [PDF]
Blends of styrene-butadiene-styrene triblock copolymer (SBS) with random styrene-maleic anhydride copolymers (PS-co-MA), having different MA content, were prepared in a Brabender Plastigraph mixer. The presence of polystyrene (PS) blocks in the SBS copolymer and the high styrene content (93 and 86 wt.-%, respectively) in the two kinds of used PS-co-MA ...
PICCHIONI F. +4 more
openaire +5 more sources
Flavoprotein monooxygenases for oxidative biocatalysis: recombinant expression in microbial hosts and applications [PDF]
External flavoprotein monooxygenases comprise a group of flavin-dependent oxidoreductases that catalyze the insertion of one atom of molecular oxygen into an organic substrate and the second atom is reduced to water. These enzymes are involved in a great
Bianchi, Dario Alejandro +2 more
core +2 more sources
Random copolymer blends of styrene, para-fluoro styrene and ortho-fluoro styrene [PDF]
This study completes the investigation of the phase behaviour of polymer blends involving styrene (S), ortho-fluoro styrene (oFS) and para-fluoro styrene (pFS). As before, due to the proximity of the glass transition temperatures of most blends investigated, the miscibility or immiscibility is established using the alternative thermal analysis method ...
OUDHUIS, AACM, TENBRINKE, G, KARASZ, FE
openaire +2 more sources
Influence of processing parameters and composition on the effective compatibilization of polypropylene–poly(ethylene terephthalate) blends [PDF]
The effects of the addition of different functionalized compatibilizers on toughness, morphology and rheological properties of a polypropylene (PP) - poly(ethylene terephthalate) (PET) (85-15 wt%) blend were studied.
Koster, Rolf +3 more
core +1 more source
Effects of Molecular Iodine and 4-tert-Butylcatechol Radical Inhibitor on the Radical Polymerization of Styrene [PDF]
The presence of molecular iodine was studied in relation the molecular weight and molecular weight distribution of polystyrene, produced by radical poly merization.
Mojtaba Bozorg +2 more
doaj +1 more source

