Results 21 to 30 of about 911,076 (286)

Gel Volume Near the Critical Point of Binary Mixture Isobutyric Acid–Water

open access: yesGels, 2020
The volume of a cylindrical polyacrylamide gel was measured when immersed in a binary mixture of isobutyric acid–water at different temperatures and weight fractions of isobutyric acid.
Takao Yamamoto   +3 more
doaj   +1 more source

Influence of gap structures to specific heat in oriented magnetic fields: Application to the orbital dependent superconductor, Sr$_2$RuO$_4$ [PDF]

open access: yes, 2004
We discuss influence of modulation of gap function and anisotropy of Fermi velocity to field angle dependences of upper critical field, $H_{c2}$, and specific heat, $C$, on the basis of the approximate analytic solution in the quasiclassical formalism ...
Agterberg D. F.   +39 more
core   +1 more source

New parametrization method for dissipative particle dynamics [PDF]

open access: yes, 2007
We introduce an improved method of parameterizing the Groot-Warren version of Dissipative Particle Dynamics (DPD) by exploiting a correspondence between DPD and Scatchard-Hildebrand regular solution theory.
Bankhead, M.   +3 more
core   +1 more source

Tuning the Size of Thermoresponsive Poly(N-Isopropyl Acrylamide) Grafted Silica Microgels

open access: yesGels, 2017
Core-shell microgels were synthesized via a free radical emulsion polymerization of thermoresponsive poly-(N-isopropyl acrylamide), pNipam, on the surface of silica nanoparticles. Pure pNipam microgels have a lower critical solution temperature (LCST) of
Nils Nun   +5 more
doaj   +1 more source

Phase transition oscillations induced by a strongly focused laser beam [PDF]

open access: yes, 2015
We report here the observation of a surprising phenomenon consisting in a oscillating phase transition which appears in a binary mixture, PMMA/3-octanone, when this is enlightened by a strongly focused infrared laser beam.
Ciliberto, Sergio   +3 more
core   +3 more sources

How to manipulate the upper critical solution temperature (UCST)?

open access: yesPolymer Chemistry, 2017
In this mini-review, we discuss multi-stimuli-responsive polymers, which exhibit upper critical solution temperature (UCST) behavior mainly in aqueous solutions. Firstly, we discuss both the lower and upper critical solution temperature behavior of thermoresponsive polymers, to understand the differences between the two.
Tenhu Heikki, Niskanen Jukka
openaire   +4 more sources

Colloid-stabilized emulsions: behaviour as the interfacial tension is reduced [PDF]

open access: yes, 2005
We present confocal microscopy studies of novel particle-stabilized emulsions. The novelty arises because the immiscible fluids have an accessible upper critical solution temperature.
A B Schofield   +10 more
core   +1 more source

Influence of cyclodextrin on the UCST- and LCST-behavior of poly(2-methacrylamido-caprolactam)-co-(N,N-dimethylacrylamide)

open access: yesBeilstein Journal of Organic Chemistry, 2014
The monomer 2-methacrylamido-caprolactam (4) was synthesized from methacryloyl chloride (3) and racemic α-amino-ε-caprolactam (2). Copolymerization of 4 with N,N-dimethylacrylamide (5) was carried out by a free-radical mechanism using 2,2’-azobis(2 ...
Alexander Burkhart, Helmut Ritter
doaj   +1 more source

Impact of non-ideality on mixing of hydrocarbons and water at supercritical or near-critical conditions [PDF]

open access: yes, 2015
The mixing of a single-component or multi-component hydrocarbon (HC) droplet in supercritical or near-critical water (SCW/NCW) is modeled. Transport, thermodynamics, and phase equilibrium sub-models are used to estimate the relevant physical properties ...
Ghoniem, Ahmed F   +2 more
core   +1 more source

Kinetics of Water Transfer Between the LCST and UCST Thermoresponsive Blocks in Diblock Copolymer Thin Films Monitored by In Situ Neutron Reflectivity

open access: yesAdvanced Materials Interfaces, 2023
The kinetics of water transfer between the lower critical solution temperature (LCST) and upper critical solution temperature (UCST) thermoresponsive blocks in about 10 nm thin films of a diblock copolymer is monitored by in situ neutron reflectivity ...
Neng Hu   +10 more
doaj   +1 more source

Home - About - Disclaimer - Privacy