DOI > 10.5291/ILL-DATA.9-11-1650

This proposal is publicly available since 05/04/2018

Title

Partially deuterated gradient poly(2-oxazolines): contrast variation studies

Abstract

Recently, new copolymers were developed that are more complex than conventional block copolymer amphiphiles. These gradient copolymers are based on poly(2-methyl-2-oxazoline) and hydrophobic poly(2-phenyl-2-oxazoline), whereby the structure gradually changes along the polymer chain. It was demonstrated that the self-assembly of these gradient copolymers can be easily tuned although the detailed information e.g. distribution of two blocks inside the nanostructure is still missing. The main goal of this proposal is to obtain the detailed information about the distribution of hydrophilic, and hydrophobic moieties inside polymeric nanoparticles by contrast variation studies. To fulfill the aim, partially deuterated gradient copolymers with different composition will be studied. Using different composition of H2O/D2O we will try to mask the scattering from the selected blocks to make them invisible for neutrons.

Experimental Report

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Data Citation

The recommended format for citing this dataset in a research publication is in the following format:

FILIPPOV Sergey; ANGELOV Borislav; GRILLO Isabelle and HOOGENBOOM Richard. (2013). Partially deuterated gradient poly(2-oxazolines): contrast variation studies. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-11-1650

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Metadata

Experiment Parameters

  • Environment temperature

    298 -310 K
  • Experiment energy

    5-10 A
  • Experiment moment

    0.001-0.2 A^-1

Sample Parameters

  • Formula

    • poly(2-d3-methyl-2-oxazoline)75-stat-poly(2-phenyl-2-oxazoline)25 /(NC4D3OH4) 75-stat-(NC9OH9)25
    • poly(2-d3-methyl-2-oxazoline)25-block-poly(2-phenyl-2-oxazoline)75 /(NC4D3OH4) 25-block-(NC9OH9)75
    • poly(2-d3-methyl-2-oxazoline)50-block-poly(2-phenyl-2-oxazoline)50 /(NC4D3OH4) 50-block-(NC9OH9)50
    • poly(2-d3-methyl-2-oxazoline)75-block-poly(2-phenyl-2-oxazoline)25 /(NC4D3OH4) 75-block-(NC9OH9)25
    • poly(2-d3-methyl-2-oxazoline)25-stat-poly(2-phenyl-2-oxazoline)75 /(NC4D3OH4) 25-stat-(NC9OH9)75
    • poly(2-d3-methyl-2-oxazoline)50-stat-poly(2-phenyl-2-oxazoline)50 /(NC4D3OH4) 50-stat-(NC9OH9)50
  • Consistence

    liquid
  • Mass

    100
  • Container

    quartz cell