scholarly journals Determining Water Sorption and Desorption in Thin Hydrophilic Polymer Films by Thermal Treatment

2019 ◽  
Vol 1 (9) ◽  
pp. 2495-2502 ◽  
Author(s):  
Yeongun Ko ◽  
Jason R. Miles ◽  
Jan Genzer
Keyword(s):  
Thermal Treatment ◽  
Polymer Films ◽  
Water Sorption ◽  
Hydrophilic Polymer

Sweat Pore Mapping Using Hydrophilic Polymer Films

2016 ◽  
Vol 16 (12) ◽  
pp. 12263-12267 ◽  
Author(s):  
Minkyeong Pyo ◽  
Joosub Lee ◽  
Woohyun Baek ◽  
Chan Woo Lee ◽  
Bum Jun Park ◽  
...  
Keyword(s):  
Polymer Films ◽  
Hydrophilic Polymer

Effect of Molecular Structure and Thermal Treatment on Photo-optical Properties of Photochromic Azobenzene-containing Polymer Films

2010 ◽  
Vol 212 (4) ◽  
pp. 342-352 ◽  
Author(s):  
Alexey Bobrovsky ◽  
Valery Shibaev ◽  
Alexej Bubnov ◽  
Vĕra Hamplová ◽  
Miroslav Kašpar ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Optical Properties ◽  
Thermal Treatment ◽  
Polymer Films

scholarly journals Effect of hydroxypropyl-β-cyclodextrin and coadjuvants on the sorption capacity of hydrophilic polymer films for monoterpene alcohols

2016 ◽  
Vol 151 ◽  
pp. 1193-1202 ◽  
Author(s):  
Laura Higueras ◽  
Gracia López-Carballo ◽  
Rafael Gavara ◽  
Pilar Hernández-Muñoz
Keyword(s):  
Sorption Capacity ◽  
Polymer Films ◽  
Hydrophilic Polymer

Solvatochromic study of water sorption in polymer films

1997 ◽  
Vol 63 (12) ◽  
pp. 1681-1691 ◽  
Author(s):  
Masanobu Matsuguchi ◽  
Yoshihiko Sadaoka ◽  
Hiroshi Mizuguchi ◽  
Kenichi Umeda ◽  
Yoshiro Sakai
Keyword(s):  
Polymer Films ◽  
Water Sorption

Moisture absorption into ultrathin hydrophilic polymer films on different substrate surfaces

Polymer ◽  
2005 ◽  
Vol 46 (5) ◽  
pp. 1635-1642 ◽  
Author(s):  
Bryan D. Vogt ◽  
Christopher L. Soles ◽  
Hae-Jeong Lee ◽  
Eric K. Lin ◽  
Wen-li Wu
Keyword(s):  
Polymer Films ◽  
Moisture Absorption ◽  
Hydrophilic Polymer ◽  
Substrate Surfaces

Pollutant Identification by Selected Area Electron Diffraction

1974 ◽  
Vol 32 ◽  
pp. 532-533
Author(s):  
R. E. Ferrell ◽  
G. G. Paulson ◽  
C. W. Walker
Keyword(s):  
Thermal Treatment ◽  
Electron Diffraction ◽  
Sample Preparation ◽  
Crystal Structures ◽  
Water Samples ◽  
Environmental Samples ◽  
Short Review ◽  
Selected Area Electron Diffraction ◽  
Multiple Component

Selected area electron diffraction (SAD) has been used successfully to determine crystal structures, identify traces of minerals in rocks, and characterize the phases formed during thermal treatment of micron-sized particles. There is an increased interest in the method because it has the potential capability of identifying micron-sized pollutants in air and water samples. This paper is a short review of the theory behind SAD and a discussion of the sample preparation employed for the analysis of multiple component environmental samples.

Development of Crystallinity in Turbostratic Boron Nitride Derived from Polymeric Precursors

1991 ◽  
Vol 49 ◽  
pp. 954-955
Author(s):  
X. Qiu ◽  
A. K. Datye ◽  
T. T. Borek ◽  
R. T. Paine
Keyword(s):  
Thermal Treatment ◽  
Boron Nitride ◽  
Diffraction Pattern ◽  
Polymeric Precursors ◽  
Polymer Precursors ◽  
Diffuse Ring

Boron nitride derived from polymer precursors is of great interest for applications such as fibers, coatings and novel forms such as aerogels. The BN is prepared by the polymerization of functionalized borazine and thermal treatment in nitrogen at 1200°C. The BN powders obtained by this route are invariably trubostratic wherein the sheets of hexagonal BN are randomly oriented to yield the so-called turbostratic modification. Fib 1a and 1b show images of BN powder with the corresponding diffraction pattern in fig. 1c. The (0002) reflection from BN is seen as a diffuse ring with occational spots that come from crystals of BN such as those shown in fig. 1b. The (0002) lattice fringes of BN seen in these powders are the most characteristic indication of the crystallinity of the BN.

Gum arabic helps prepare better lacey polymer films for specimen support in electron microscopy

1993 ◽  
Vol 51 ◽  
pp. 240-241
Author(s):  
Shailesh R. Sheth ◽  
Jayesh R. Bellare
Keyword(s):  
Electron Microscopy ◽  
Polymer Films ◽  
Gum Arabic ◽  
Complete Removal ◽  
Ammonium Bromide ◽  
Release Agent ◽  
Astigmatism Correction ◽  
Long Time ◽  
Micro Holes ◽  
Cetyl Trimethyl Ammonium

Specimen support and astigmatism correction in Electron Microscopy are at least two areas in which lacey polymer films find extensive applications. Although their preparation has been studied for a very long time, present techniques still suffer from incomplete release of the film from its substrate and presence of a large number of pseudo holes in the film. Our method ensures complete removal of the entire lacey film from the substrate and fewer pseudo holes by pre-treating the substrate with Gum Arabic, which acts as a film release agent.The method is based on the classical condensation technique for preparing lacey films which is essentially deposition of minute water or ice droplets on the substrate and laying the polymer film over it, so that micro holes are formed corresponding to the droplets. A microscope glass slide (the substrate) is immersed in 2.0% (w/v) aq. CTAB (cetyl trimethyl ammonium bromide)-0.22% (w/v) aq.

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