About: Self-assembled structures in blends of disordered and lamellar block copolymers: SAXS, SANS and TEM study     Goto   Sponge   NotDistinct   Permalink

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  • Phenomena associated with the microdomain morphology in blends of deuterated block copolymers (dPS-block-dPMMA)1/(dPS-block-PMMA)2, were investigated using small-angle X-ray scattering, small-angle neutron scattering and transmission electron microscopy as a function of molecular weight, concentration of added copolymers and temperature. The blends were found to be completely miscible on the molecular level at all compositions, if their molecular weight ratio was smaller than about 5. The domain spacing D of the blends can be scaled with Mn by D Mn2/3 as predicted by a previously published postulate Evidently the postulate, suggested originally for blends of lamellar polystyrene-block-polyisoprene copolymers, can be employed to a much broader range of blends.
  • Phenomena associated with the microdomain morphology in blends of deuterated block copolymers (dPS-block-dPMMA)1/(dPS-block-PMMA)2, were investigated using small-angle X-ray scattering, small-angle neutron scattering and transmission electron microscopy as a function of molecular weight, concentration of added copolymers and temperature. The blends were found to be completely miscible on the molecular level at all compositions, if their molecular weight ratio was smaller than about 5. The domain spacing D of the blends can be scaled with Mn by D Mn2/3 as predicted by a previously published postulate Evidently the postulate, suggested originally for blends of lamellar polystyrene-block-polyisoprene copolymers, can be employed to a much broader range of blends. (en)
  • Jevy spojené s mikrodoménovou morfologií směsí deuterovaných blokových kopolymerů (dPS-blok-dPMMA)1/(dPS-blok-PMMA)2 byly zkoumány užitím maloúhlového rozptylu x paprsků, maloúhlového rozptylu neutronů a transmisní elektronové mikroskopie jako funkce molekulové hmotnosti, obsahu složek směsi a teploty. Bylo zjištěno, že směsi jsou kompletně mísitelné na molekulární úrovni při všech složeních, je-li poměr jejich molekulových hmotností menší než 5. Periodicita doménové struktury D směsi vyhovuje vztahu D Mn2/3, jak bylo navrženo dříve uveřejněným postulátem. Zřejmě lze postulát, původně navržený pro směsi lamelárních kopolymerů polystyren-blok-polyisopren aplikovat na mnohem širší oblast směsí. (cs)
Title
  • Self-assembled structures in blends of disordered and lamellar block copolymers: SAXS, SANS and TEM study
  • Self-assembled structures in blends of disordered and lamellar block copolymers: SAXS, SANS and TEM study (en)
  • Samouspořádané struktury ve směsích neuspořádaných a lamelárních blokových kopolymerů: Studie metodami SAXS, SANS a TEM (cs)
skos:prefLabel
  • Self-assembled structures in blends of disordered and lamellar block copolymers: SAXS, SANS and TEM study
  • Self-assembled structures in blends of disordered and lamellar block copolymers: SAXS, SANS and TEM study (en)
  • Samouspořádané struktury ve směsích neuspořádaných a lamelárních blokových kopolymerů: Studie metodami SAXS, SANS a TEM (cs)
skos:notation
  • RIV/61389013:_____/09:00321585!RIV09-AV0-61389013
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GESON/06/E005), P(IAA100500501), Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika
  • 1
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
  • 340682
http://linked.open...ai/riv/idVysledku
  • RIV/61389013:_____/09:00321585
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • diblock copolymers; copolymer blends; SANS; SAXS; self-assembly (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [C986C3F9858A]
http://linked.open...i/riv/nazevZdroje
  • Polymer International
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
  • 58
http://linked.open...iv/tvurceVysledku
  • Baldrian, Josef
  • Holoubek, Jaroslav
  • Lednický, František
  • Lal, J.
http://linked.open...ain/vavai/riv/wos
  • 000262212200011
http://linked.open...n/vavai/riv/zamer
issn
  • 0959-8103
number of pages
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