Results 101 to 110 of about 575 (138)

Hemoadsorption contribution in neonatal cardiac surgery. [PDF]

Front Cardiovasc Med
Molinari I, Aidala E, Cascarano MT, Di Carlo MS, Rivoldini C, Bonaveglio E, Pace Napoleone C.   +6 more
europepmc   +1 more source

Recycling Functional Fillers from Waste Tires for Tailored Polystyrene Composites: Mechanical, Fire Retarding, Electromagnetic Field Shielding, and Acoustic Insulation Properties-A Short Review. [PDF]

Materials (Basel)
Zhang J, Liu H, Sablani SS, Wu Q.
europepmc   +1 more source

Thermal Characterization of Crosslinked Polymeric Microspheres Bearing Thiol Groups Studied by TG/FTIR/DSC under Non-Oxidative Conditions. [PDF]

Materials (Basel)
Maciejewska M, Łastawiecka E, Grochowicz M.   +2 more
europepmc   +1 more source

Oxidation Reactions Promoted or Catalyzed by Organotellurium Compounds. [PDF]

ACS Omega
Campos PRO, Silva GPPP, Shibuya Y, Koguchi S, Alberto EE.   +4 more
europepmc   +1 more source

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Structure and properties of styrene-divinylbenzene copolymers

Polymer Bulletin, 1994
The influence of binary mixtures of alcohols with different diluents on the porous structure of styrene-divinylbenzene (Sty-DVB) copolymers was investigated. Two series of binary mixtures were tested: one with isoamyl alcohol (1-AmA) and another with benzyl alcohol (BA). For systems containing 1-AmA, the hydrogen bonds between alcohol and polar solvent
D. Rabelo, F. M. B. Coutinho
  +4 more sources

Heterogeneities of styrene-divinylbenzene-copolymers

Polymer Bulletin, 1989
The heterogeneity of copolymers of styrene and divinylbenzene was investigated. The distribution of divinylbenzene units within the crosslinked copolymer yields information about the inhomogeneity of the network formed. Proceeding from the monomer reactivity ratios, the monomer compositions and from the conversion we set up histogramms of the ...
Gerhard Schwachula, Georgi Popov
openaire   +1 more source

Structure of some styrene–divinylbenzene copolymers

Journal of Applied Polymer Science, 1995
AbstractStructures of copolymers of styrene and divinylbenzene (50% crosslinking degree) prepared in suspension polymerization in the presence of mixtures of nonsol (heptane or decane) and sol (toluene or tetralin) diluents were investigated. The studies showed that the diluents enriched with nonsol solvents resulted in an increase of pore volumes and ...
M. Wojaczyñska, B. N. Kolarz
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Synthesis of porous styrene divinylbenzene copolymers

Die Angewandte Makromolekulare Chemie, 1985
AbstractThe copolymerization of styrene with divinylbenzene in the presence of tri‐n‐butylphosphate or a mixture of di‐2‐ethylhexylphosphoric acid and chlorobenzene was studied in order to perform porous networks, solvent impregnated copolymers, etc. The diluents behave as strong precipitants allowing to prepare permanent porous copolymers having low ...
Ignat Poinescu, Vespasian Popescu, Adrian Carpov   +2 more
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Scanning electron microscopy of styrene-divinylbenzene copolymers

Polymer Bulletin, 1995
Styrene-divinylbenzene copolymers were synthesized by suspension polymerization in presence of di(2-ethylhexyl) phosphoric acid and methyl ketone as diluents. The surface and bulk morphology of the beads were investigated through scanning electron microscopy. The influence of diluent-copolymer interaction, dilution degree and interfacial tension on the
D. Rabelo, F. M. B. Coutinho, C. C. R. Barbosa, S. M. Rezende   +3 more
openaire   +1 more source

Kinetics of devitrification of styrene‐divinylbenzene copolymers

Die Angewandte Makromolekulare Chemie, 1984
AbstractThe dependence of glass temperature on the heating rate for styrene‐divinylbenzene solvent modified network copolymers has been investigated by differential scanning calorimetry. The McMillan equation has been utilized to determine apparent activation energies of vitrification.
Marek Eder, Andrzej Włochowicz, Bożena N. Kolarz   +2 more
openaire   +1 more source