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Description
  • To determine the influence of particle size on the specific surface area of hypercrosslinked poly(styrene-co-divinylbenzene) (PS) microspheres. Suspension and dispersion polymerization were chosen for their preparation. Dispersion copolymerization of styrene and divinylbenzene (DVB) in ethanol was stabilized by (hydroxypropyl)cellulose (HPC) and initiated with dibenzoyl peroxide . Monodisperse 1.4-µm microspheres were prepared in the presence of 3.6 wt% HPC. Microspheres were chloromethylated with chloromethyl methyl ether , chloromethyl ethyl ether or chloromethyl octyl ether to investigate the effect of the chloromethylation agent on the specific surface area of microspheres. Chloromethylated microspheres were hypercrosslinked in 1,2-dichloroethane (DCE) with SnCl4. The effects of the (DVB) and DCE/microsphere ratio on properties of the product were studied. Characterization of porous structure were done by dynamic desorption of nitrogen, cyclohexane regain and mercury porosimetry.
  • To determine the influence of particle size on the specific surface area of hypercrosslinked poly(styrene-co-divinylbenzene) (PS) microspheres. Suspension and dispersion polymerization were chosen for their preparation. Dispersion copolymerization of styrene and divinylbenzene (DVB) in ethanol was stabilized by (hydroxypropyl)cellulose (HPC) and initiated with dibenzoyl peroxide . Monodisperse 1.4-µm microspheres were prepared in the presence of 3.6 wt% HPC. Microspheres were chloromethylated with chloromethyl methyl ether , chloromethyl ethyl ether or chloromethyl octyl ether to investigate the effect of the chloromethylation agent on the specific surface area of microspheres. Chloromethylated microspheres were hypercrosslinked in 1,2-dichloroethane (DCE) with SnCl4. The effects of the (DVB) and DCE/microsphere ratio on properties of the product were studied. Characterization of porous structure were done by dynamic desorption of nitrogen, cyclohexane regain and mercury porosimetry. (en)
Title
  • Hypercrosslinked polystyrene microspheres by suspension and dispersion polymerization
  • Hypercrosslinked polystyrene microspheres by suspension and dispersion polymerization (en)
skos:prefLabel
  • Hypercrosslinked polystyrene microspheres by suspension and dispersion polymerization
  • Hypercrosslinked polystyrene microspheres by suspension and dispersion polymerization (en)
skos:notation
  • RIV/61389013:_____/11:00360930!RIV12-AV0-61389013
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(2B06053), P(GA203/09/0857), P(GAP503/10/0664), Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika
  • 064
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 203198
http://linked.open...ai/riv/idVysledku
  • RIV/61389013:_____/11:00360930
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • polystyrene; microspheres; hypercrosslinked (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [C9B2DA3EC592]
http://linked.open...i/riv/nazevZdroje
  • E-Polymers
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • -
http://linked.open...iv/tvurceVysledku
  • Horák, Daniel
  • Šálek, Petr
http://linked.open...ain/vavai/riv/wos
  • 000291989400004
http://linked.open...n/vavai/riv/zamer
issn
  • 1618-7229
number of pages
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