M/F Interfacial Properties Of Self-Assembled Copolymers

Universities and Institutes of France

France

August 6, 2021

Description

  • Organisation/Company: CNRS
  • Research Field: Chemistry › Physical chemistry Physics › Biophysics Physics › Chemical physics
  • Researcher Profile: First Stage Researcher (R1)
  • Application Deadline: 06/08/2021 23:59 - Europe/Brussels
  • Location: France › PESSAC
  • Type Of Contract: Temporary
  • Job Status: Full-time
  • Hours Per Week: 35
  • Offer Starting Date: 01/10/2021
  • - to conduct an experimental study on copolymer adsorption - to carry out interfacial rheology on copolymer covered interfaces - to formulate and characterize emulsions - to analyze experimental data - to write a report - to present results to the consortium or at conferences - to write scientific papers

    To conduct a research project in collaboration with chemists and physico- chemists partners

    The proposed project aims at determining interfacial properties of original copolymers able to self-assemble and at evaluating their ability to stabilize emulsions. It belongs to the MACAOS project funded by ANR and coordinated by Christophe Chassenieux. The post-doctorate, hired for a period of 12 months from the 1st of October, will be located at Centre de Recherche Paul Pascal (CRPP) with some stays at the Institut des Molécules et Matériaux du Mans (IMMM). Copolymers, able to dynamically self-assemble, are synthetized and provided by the MACAOS partners. We will study the interfacial properties of these copolymers that is to say their adsorption kinetics, the 2D viscoelasticity they confer to the interface…as a function of the copolymer state : molecular or self-assembled. In the first case, a surfactant-like behavior is expected while in the second case one can predict a particle-like behavior. Then, emulsions will be formulated and the link between interfacial behavior at model interfaces and at the emulsion drop surface will be established. The transition between one state to the other will be triggered by an external applied field as for example the polymer ionization.

    Methods: pendant drop tensiometry, Langmuir trough compression experiments, determination of two-dimensional viscoelasticity by oscillating drop method, various mixers for emulsion preparation, optical and electronic microscopy rheology.

    The candidate should be awarded by a PhD in the field of soft matter with preferentially a skill in rheology.

    Eligibility criteria

    in soft matter (compulsory) in rheology (possibly)

    Web site for additional job details

    https: // emploi.cnrs.fr/Offres/CDD/UMR5031-VERSCH-001/Default.aspx

    Required Research Experiences
  • RESEARCH FIELD
  • Chemistry › Physical chemistry

  • YEARS OF RESEARCH EXPERIENCE
  • None

  • RESEARCH FIELD
  • Physics › Chemical physics

  • YEARS OF RESEARCH EXPERIENCE
  • None

  • RESEARCH FIELD
  • Physics › Biophysics

  • YEARS OF RESEARCH EXPERIENCE
  • None

    Offer Requirements
  • REQUIRED EDUCATION LEVEL
  • Chemistry: PhD or equivalent

    Physics: PhD or equivalent

  • REQUIRED LANGUAGES
  • FRENCH: Basic

    Contact Information
  • Organisation/Company: CNRS
  • Department: CENTRE DE RECHERCHE PAUL PASCAL
  • Organisation Type: Public Research Institution
  • Website: https:// www. crpp-bordeaux.cnrs.fr/
  • Country: France
  • City: PESSAC
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