Results 41 to 50 of about 12,723 (223)

Can Elastomers Combine Stiffness, Toughness and Fatigue Resistance?

Advanced Materials, EarlyView.
This review studies how the molecular and macroscopic architecture of elastomers influence their mechanical properties including: stiffness, stretchability, toughness, fatigue resistance, and damping behavior. By linking the structure to performance, it proposes design principles for advanced elastomeric systems that combine mechanical properties ...
Eva Baur, Esther Amstad
wiley   +1 more source

Time-temperature superposition of polybutadiene vitrimers [PDF]

, 2023
A vitrimer has covalent cross-links that preserve network connectivity but permit topology fluctuations through dynamic exchange reactions. In this work, we investigate the linear rheology of polybutadiene (PB) vitrimers bearing cross-links that exchange
Sachin, Shanbhag, Dana, Ezzeddine, Kevin, Fay, Ralm, Ricarte, Daniel, Barzycki   +4 more
core   +1 more source

"Progress in inorganic nano-fillers reinforced cis-1,4-polybutadiene rubber composites "

Hecheng xiangjiao gongye
The mechanical properties of unmodified cis-1,4-polybutadiene rubber were not satisfactory, and different types of reinforcing agents had different effects on the mechanical properties of cis-1,4-polybutadiene rubber.
ZHANG Tong-kai1, SONG Ao-han1, DING Shi-zhe1, DENG Fang-jian2
doaj   +1 more source

Redefining the Minimal Editable Unit of Supramolecular Synthons: A 1→2 Lattice‐Editing Strategy in Ternary Multicomponent Crystals

Advanced Science, EarlyView.
Inspired by skeletal editing, we propose a lattice‐editing strategy that extends the minimal editable unit in supramolecular crystals from individual components to local supramolecular structural units, enabling non‐stoichiometric one‐to‐many substitution while preserving the parent lattice architecture.
Zheng Lin, Honglei Xia, Min Li, Ruihui Wang, Ying Wang, Xiaoyu Feng, Mingjing Tang, Yuan Zhang, Qinghua Zhang   +8 more
wiley   +1 more source

Evaluation of UV-Curable Solid Rocket Propellants’ Properties for Advanced 3D Printing Technologies

Applied Sciences
Challenges in the traditional cast-and-cure manufacturing of composite solid propellants, such as the use of mandrels and the toxicity of curing agents, are being addressed through new propellant formulations and additive manufacturing techniques. Within
Filippo Masseni, Giacomo Tetti, Alessandra Zumbo, Camilla Noé, Giovanni Polizzi, Leonardo Stumpo, Andrea Ferrero, Dario Pastrone   +7 more
doaj   +1 more source

A natureza das substâncias de referência na avaliação de massas molares de resinas PBLH por meio de cromatografia de exclusão por tamanho e osmometria de pressão de vapor The nature of standards in the evaluation of molar mass of PBLH resins by means of size exclusion chromatography and vapor pressure osmometry

Química Nova, 1997
The SEC and VPO behaviour of hydroxyl-terminated polybutadiene resins was investigated using toluene as solvent and polybutadiene and polystyrene as standards.
Marta Ferreira Koyama Takahashi, Mauro de Lima, Wagner Luiz Polito   +2 more
doaj   +1 more source

High‐Performance Piezoresistive Sensors via Pd/Sn‐Free Graphene‐Catalyzed Metallization of Thermally Repairable Microfiber Scaffolds

Advanced Science, EarlyView.
The multilayer fiber‐based PGC sensor, fabricated via graphene‐mediated electroless copper deposition, demonstrates high sensitivity, mechanical durability, and fast response speed. Additionally, it features low‐temperature thermal assisted recovery and thermal resistance, providing a promising platform for wearable electronic devices and IoT ...
ByungJun Kim, Su Bin Choi, Yeonwook Jeong, Jeong‐Won Yoon, Seung‐Boo Jung, Jong‐Woong Kim   +5 more
wiley   +1 more source

Styrene and its natural analogues: accumulation and sustainable production methods

Journal of the Science of Food and Agriculture, EarlyView.
Abstract Styrene, also known as vinyl benzene, is a colourless, highly volatile petrochemical that serves as a key monomer in the production of polystyrene and styrene‐butadiene rubber. Its industrial synthesis via the alkylation of benzene with ethylene relies on fossil fuels, requiring high temperatures and toxic catalysts that contribute to ...
Mwafaq Ibdah, Giovanni D'Ambrosio, Prasada Rao Kongala, Sureshkumar Mesara, Annalisa Serio, Bharadwaj Revuru, Antonello Paparella   +6 more
wiley   +1 more source

Fragmentation of 1,2-Polybutadiene-block-Poly(ethylene oxide) Micelles in Imidazolium-Based Ionic Liquids

, 2019
The effect of solvent selectivity on the fragmentation kinetics of spherical micelles formed by a 1,2-polybutadiene-block-poly­(ethylene oxide) “BO” copolymer in five 1-alkyl-3-methylimidazolium bis­(trifluoromethylsulfonyl)­imide-based ionic liquids ...
Timothy P. Lodge (1271460), Julia T. Early (7378715)   +1 more
core   +1 more source

Robust β‐myrcene block copolymer elastomeric vitrimers

Polymer International, EarlyView.
Myrcene‐based vitrimeric elastomers were compared: statistical (poly(styrene‐stat‐myrcene‐stat‐AAEMA)] versus ‘hard–soft’ diblock (poly(styrene)‐block‐poly(myrcene‐co‐AAEMA)). The diblock's ability to anchor the glassy poly(styrene) blocks in a self‐assembled microstructure was effective – leading to four times higher tensile stress and ten times ...
Chong Yang Du, Farhad Asempour, Milan Marić   +2 more
wiley   +1 more source