Mechanism of Thermally Induced Morphological Reorganization and Lamellar Orientation from the Herringbone Structure in Cross-Linked Polystyrene-block-polybutadiene-block-polystyrene Triblock Copolymers

2003 ◽  
Vol 36 (6) ◽  
pp. 1930-1939 ◽  
Author(s):  
Shinichi Sakurai ◽  
Sakae Aida ◽  
Shigeru Okamoto ◽  
Kazuo Sakurai ◽  
Shunji Nomura
Keyword(s):  
Triblock Copolymers ◽  
Thermally Induced ◽  
Lamellar Orientation ◽  
Herringbone Structure

Double thermoresponsive di- and triblock copolymers based on N-vinylcaprolactam and N-vinylpyrrolidone: synthesis and comparative study of solution behaviour

2014 ◽  
Vol 5 (22) ◽  
pp. 6534-6544 ◽  
Author(s):  
Anthony Kermagoret ◽  
Kevin Mathieu ◽  
Jean-Michel Thomassin ◽  
Charles-André Fustin ◽  
Roland Duchêne ◽  
...  
Keyword(s):  
Comparative Study ◽  
Radical Polymerization ◽  
Triblock Copolymers ◽  
Controlled Radical Polymerization ◽  
Thermally Induced ◽  
Solution Behaviour

Controlled radical polymerization produces poly(N-vinylamide)s with thermally induced multistep assembly.

Tertiary-Amine-Containing Thermo- and pH-Sensitive Hydrophilic ABA Triblock Copolymers: Effect of Different Tertiary Amines on Thermally Induced Sol–Gel Transitions

Langmuir ◽  
2014 ◽  
Vol 30 (9) ◽  
pp. 2541-2550 ◽  
Author(s):  
Daniel M. Henn ◽  
Roger A. E. Wright ◽  
Jeremiah W. Woodcock ◽  
Bin Hu ◽  
Bin Zhao
Keyword(s):  
Tertiary Amine ◽  
Triblock Copolymers ◽  
Sol Gel ◽  
Ph Sensitive ◽  
Tertiary Amines ◽  
Thermally Induced

Ambient Temperature Synthesis of Triblock Copolymers via Orthogonal Photochemically and Thermally Induced Modular Conjugation

2011 ◽  
Vol 44 (12) ◽  
pp. 4681-4689 ◽  
Author(s):  
Mathias Glassner ◽  
Kim K. Oehlenschlaeger ◽  
Till Gruendling ◽  
Christopher Barner-Kowollik
Keyword(s):  
Ambient Temperature ◽  
Triblock Copolymers ◽  
Temperature Synthesis ◽  
Thermally Induced

RAFT-synthesized diblock and triblock copolymers: thermally-induced supramolecular assembly in aqueous media

Soft Matter ◽  
2008 ◽  
Vol 4 (9) ◽  
pp. 1760 ◽  
Author(s):  
Charles L. McCormick ◽  
Brent S. Sumerlin ◽  
Brad S. Lokitz ◽  
Jonathan E. Stempka
Keyword(s):  
Triblock Copolymers ◽  
Aqueous Media ◽  
Supramolecular Assembly ◽  
Thermally Induced

Double thermo-responsive hydrogels from poly(vinylcaprolactam) containing diblock and triblock copolymers

2015 ◽  
Vol 6 (10) ◽  
pp. 1856-1864 ◽  
Author(s):  
Jean-Michel Thomassin ◽  
Kevin Mathieu ◽  
Anthony Kermagoret ◽  
Charles-André Fustin ◽  
Christine Jérôme ◽  
...  
Keyword(s):  
Aqueous Solutions ◽  
Triblock Copolymers ◽  
Gel Properties ◽  
Thermally Induced ◽  
Concentrated Aqueous Solutions ◽  
Responsive Hydrogels

The thermally-induced gelation and gel properties of concentrated aqueous solutions of double thermoresponsive poly(N-vinylamide)-based di- and triblock copolymers are studied by rheology.

Morphologies of Nonadherent Al2O3 and Matching Substrate Surfaces

1972 ◽  
Vol 30 ◽  
pp. 524-525
Author(s):  
C. S. Giggins ◽  
J. K. Tien ◽  
B. H. Kear ◽  
F. S. Pettit
Keyword(s):  
Electron Microscopy ◽  
Oxide Scale ◽  
Oxidation Resistance ◽  
Substrate Surface ◽  
Morphological Features ◽  
Thermally Induced ◽  
Oxide Spallation ◽  
Oxidation Resistant ◽  
Induced Stresses ◽  
Substrate Surfaces

The performance of most oxidation resistant alloys and coatings is markedly improved if the oxide scale strongly adheres to the substrate surface. Consequently, in order to develop alloys and coatings with improved oxidation resistance, it has become necessary to determine the conditions that lead to spallation of oxides from the surfaces of alloys. In what follows, the morphological features of nonadherent Al2O3, and the substrate surfaces from which the Al2O3 has spalled, are presented and related to oxide spallation.The Al2O3, scales were developed by oxidizing Fe-25Cr-4Al (w/o) and Ni-rich Ni3 (Al,Ta) alloys in air at 1200°C. These scales spalled from their substrates upon cooling as a result of thermally induced stresses. The scales and the alloy substrate surfaces were then examined by scanning and replication electron microscopy.The Al2O3, scales from the Fe-Cr-Al contained filamentary protrusions at the oxide-gas interface, Fig. 1(a). In addition, nodules of oxide have been developed such that cavities were formed between the oxide and the substrate, Fig. 1(a).

Applications of ultramicrotomy for materials characterization

1993 ◽  
Vol 51 ◽  
pp. 232-233
Author(s):  
R.T. Blackham ◽  
J.J. Haugh ◽  
C.W. Hughes ◽  
M.G. Burke
Keyword(s):  
Materials Science ◽  
Microstructural Analysis ◽  
Analytical Electron Microscopy ◽  
Austenitic Stainless Steels ◽  
Specimen Preparation ◽  
Preparation Technique ◽  
Thermally Induced ◽  
Radiation Induced ◽  
Characterization Of Materials

Essential to the characterization of materials using analytical electron microscopy (AEM) techniques is the specimen itself. Without suitable samples, detailed microstructural analysis is not possible. Ultramicrotomy, or diamond knife sectioning, is a well-known mechanical specimen preparation technique which has been gaining attention in the materials science area. Malis and co-workers and Glanvill have demonstrated the usefulness and applicability of this technique to the study of a wide variety of materials including Al alloys, composites, and semiconductors. Ultramicrotomed specimens have uniform thickness with relatively large electron-transparent areas which are suitable for AEM anaysis.Interface Analysis in Type 316 Austenitic Stainless Steel: STEM-EDS microanalysis of grain boundaries in austenitic stainless steels provides important information concerning the development of Cr-depleted zones which accompany M23C6 precipitation, and documentation of radiation induced segregation (RIS). Conventional methods of TEM sample preparation are suitable for the evaluation of thermally induced segregation, but neutron irradiated samples present a variety of problems in both the preparation and in the AEM analysis, in addition to the handling hazard.

Spin-crossover in an iron(iii) complex showing a broad thermal hysteresis

2021 ◽  
Author(s):  
Cyril Rajnák ◽  
Romana Mičová ◽  
Ján Moncoľ ◽  
Ľubor Dlháň ◽  
Christoph Krüger ◽  
...  
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Spin Crossover ◽  
Thermal Hysteresis ◽  
Mononuclear Complex ◽  
Hysteresis Width ◽  
Thermally Induced

A pentadentate Schiff-base ligand 3,5Cl-L2− and NCSe− form a iron(iii) mononuclear complex [Fe(3,5Cl-L)(NCSe)], which shows a thermally induced spin crossover with a broad hysteresis width of 24 K between 123 K (warming) and 99 K (cooling).

Thermally induced budding of phospholipid vesicles — a discontinuous process

1993 ◽  
Vol 3 (5) ◽  
pp. 631-645 ◽  
Author(s):  
J. Käs ◽  
E. Sackmann ◽  
R. Podgornik ◽  
S. Svetina ◽  
B. Žekš
Keyword(s):  
Phospholipid Vesicles ◽  
Thermally Induced ◽  
Discontinuous Process
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