University of Illinois at Urbana-Champaign
Phase Behavior, Fluid Structure, and Slow Dynamics in Polymer -Colloid Mixtures: Novel Liquid State Theory and Its Applications
Abstract
dc:description"Collective colloid structure predictions agree quantitatively with scattering experiments over length scales of D-10D in the fluid phase. The theory captures the non-monotonic changes in the local cage order parameter S(k* ≈ 7 D) with increasing polymer concentrations. Accurate, no adjustable parameter predictions of the fluid structure are combined with a single particle version of idealized mode coupling theory to predict the gelation boundaries and elastic shear moduli for Rg/R < 0.1 suspensions. The calculated ""transient gel lines"" are in semi-quantitative agreement with measurements in deep quenched systems and buoyancy-matched systems. Calculations of the dependence of the elastic shear moduli on depletion attraction, solvent quality and scaled polymer concentration are in excellent agreement with experiment, and deep in the gel phase follow a power law dependence on polymer concentration and particle volume fraction."
Degree
thesis:*- Name thesis:degree_name
- Ph.D.
- Level thesis:degree_level
- Dissertation
- Discipline thesis:degree_discipline
- Chemical Engineering
- Grantor
- University of Illinois at Urbana-Champaign
- Year dc:date
- 2015
Author and committee
dc:creator, dc:contributor.*- Author dc:creator
-
- Chen, Yeng-Long
- Contributors dc:contributor
-
- Schweizer, Kenneth S.
Subjects
dc:subject × 1Rights
- Language dc:language
- eng
Identifiers
dc:identifier.*- Identifier
- (MiAaPQ)AAI3101817
- OAI identifier oai:identifier
- oai:www.ideals.illinois.edu:2142/82351