Self-assembly of poly(caprolactone-b-ethylene oxide-b-caprolactone) via a microphase inversion in water
Article Abstract:
The self-assembly of triblock copolymer poly(caprolactone-b-ethylene oxide-b-caprolactone) (PCL-PEO-PCL) chains can be induced by adding its THF solution dropwise into an excess of water through a microphase inversion. The PEO shell shrinks as the temperature increases and the micelles are stable at body temperature, which is an important parameter for their biomedical applications.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2001
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Structure evolution in amylopectin/ethylene glycol mixtures by H-bond formation and phase separation studied with dielectric relaxation spectroscopy
Article Abstract:
A study was conducted, by using the broad-band dielectric relaxation spectroscopy, to investigate the interaction between amylopectin, a starch polysaccharide, and ethylene glycol (EG). The result shows that EG binds preferentially to water-free amylopectin (AP) and forms intrachain H-bridges leading to increased chain stiffness and thus an increased glass transition temperature.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2001
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Water-based latex dispersions. 3. Exchange dynamics of nonionic surfactants and poly(ethylene glycol) on colloidal particles with different interfacial properties
Article Abstract:
The residence times at equilibrium of nonylphenol ethoxylate or of poly(ethylene glycol) (PEG) in silica and in latex dispersions (polystyrene and poly(methyl methacrylate-co-ethyl acrylate) is determined. PEGs of molecular weights comparable to that of the PEG chains in the surfactants are used to investigate the importance of the PEG chain on the residence times.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2003
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