Results 41 to 50 of about 60,112 (233)

Modified Bouc−Wen model based on a fractional derivative for describing the hysteretic characteristics of magnetorheological elastomers

工程科学学报, 2022
As a new type of magnetic sensitivity smart material, magnetorheological elastomers showing a good magnetorheological effect have been broadly applied in the field of intelligent structures and devices.
Peng WANG, Shao-pu YANG, Yong-qiang LIU, Yi-wei ZHAO, Cui-yan WANG   +4 more
doaj   +1 more source

Prepolymer dianhydrides [PDF]

, 1980
A process for preparing dianhydrides that are miscible with hydroxyl prepolymers at moderate temperatures and can cure hydroxyl prepolymers to elastomers at moderate temperatures is disclosed.
Ingham, J. D., Rhein, R. A.
core   +1 more source

Synthesis of bio-based thermoplastic polyurethane elastomers containing isosorbide and polycarbonate diol and their biocompatible properties. [PDF]

, 2015
A new family of highly elastic polyurethanes (PUs) partially based on renewable isosorbide were prepared by reacting hexamethylene diisocyanate with a various ratios of isosorbide and polycarbonate diol 2000 (PCD) via a one-step bulk condensation ...
Gong, MS, Kang, MS, Knowles, JC, Oh, SY
core   +1 more source

Substrate Stress Relaxation Regulates Cell‐Mediated Assembly of Extracellular Matrix

Advanced Functional Materials, EarlyView.
Silicone‐based viscoelastic substrates with tunable stress relaxation reveal how matrix mechanics regulates cellular mechanosensing and cell‐mediated matrix remodelling in the stiff regime. High stress relaxation promotes assembly of fibronectin fibril‐like structures, increased nuclear localization of YAP and formation of β1 integrin‐enriched ...
Jonah L. Voigt, Jens Timmer, Elisabetta Ada Cavalcanti‐Adam   +2 more
wiley   +1 more source

Smart chiral liquid crystal elastomers: Design, properties and application

Smart Molecules
Smart chiral liquid crystal elastomers are a class of soft photonic crystals with periodic nanostructures. There are two kinds of chiral liquid crystal elastomers with structural colors: cholesteric liquid crystal elastomers with a one‐dimensional ...
Yuan Liu, Jiazhe Ma, Yanzhao Yang, Cristian Valenzuela, Xuan Zhang, Ling Wang, Wei Feng   +6 more
doaj   +1 more source

Discoloration and force degradation of orthodontic elastomeric ligatures

Dental Press Journal of Orthodontics
OBJECTIVE: The aim of the present study was to evaluate color changes and force degradation of orthodontic elastomeric ligatures in different stretching patterns during a 8-weeks period. METHODS: Two elastomers with the minimum and two with the maximum
Samaneh Nakhaei, Raha Habib Agahi, Amin Aminian, Masoud Rezaeizadeh   +3 more
doaj   +1 more source

Composites Based on Waste Printed Circuit Boards (WPCB) and Waste Polypropylene

Proceedings, 2019
The high amount of plastics, which are durable, lightweight, and cheap materials, is one of themajor current ecological concerns [...]
Elena Ramona Andrei, Madalina Elena David, Ramona Marina Grigorescu, Paul Ghioca, Lorena Iancu, Rodica-Mariana Ion, Mircea Filipescu, Raluca Gabor, Cristian Andi Nicolae, Bogdan Spurcaciu, Laurentiu Marin   +10 more
doaj   +1 more source

Unconventional elasticity in smectic-A elastomers

, 2007
We study two aspects of the elasticity of smectic-$A$ elastomers that make these materials genuinely and qualitatively different from conventional uniaxial rubbers.
L. D. Landau, Olaf Stenull, P. G. de Gennes, P. M. Chaikin, R. A. Horn, R. Köhler, S. Chandrasekhar, T. C. Lubensky, W. Warner   +8 more
core   +1 more source

Biomimetic Iridescent Skin: Robust Prototissues Spontaneously Assembled from Photonic Protocells

Advanced Functional Materials, EarlyView.
Uniform nanoparticles are induced to form arrays (photonic crystals) in the cores of biopolymer capsules, endowing these ‘protocells’ with structural color. These protocells are then assembled into large self‐standing objects, i.e., prototissues, with robust mechanical properties as well as iridescent optical properties.
Medha Rath, Briahnah Streeter, Satyam Srivastava, Jemma Wood, William E. Bentley, Taylor J. Woehl, Srinivasa R. Raghavan   +6 more
wiley   +1 more source

Photonic gaps in cholesteric elastomers under deformation

, 2004
Cholesteric liquid crystal elastomers have interesting and potentially very useful photonic properties. In an ideal monodomain configuration of these materials, one finds a Bragg-reflection of light in a narrow wavelength range and a particular circular ...
A. R. Tajbakhsh, E. M. Terentjev, M. Warner, P. Bermel, P. Cicuta, P.-G. de Gennes, V. Belyakov   +6 more
core   +1 more source