Results 71 to 80 of about 3,278 (226)

Thermoplastic‐Resin Transfer Molding Technology: Development and Challenges Toward Industrialization

Polymer Composites, EarlyView.
Illustration of the key aspects involved in the manufacture of thermoplastic composites by T‐RTM highlighting the relationships between raw materials, resin mixing strategies, polymerization parameters, and processing equipment ranging from laboratory to industrial scale. ABSTRACT Driven by increasingly stringent international environmental regulations,
Filipe P. Martins, Paulo S. Lima, Ricardo Torcato, Laura Santos, J. M. Oliveira   +4 more
wiley   +1 more source

Curing Behavior and Structure Reactivity‐Property Relationships in Epoxidized Linseed Oil Thermosets Crosslinked With Biobased Eutectic Hardeners

Journal of Polymer Science, EarlyView.
The curing of epoxidized linseed oil with citric, tartaric, and malic acid–based eutectic hardeners is compared to reveal how acid functionality, hydroxyl content, and molecular geometry govern activation energy, reaction rates, and network rigidity.
Mona Jamali Moghadam Siahkali, Nathanael Guigo, Luc Vincent, Nicolas Sbirrazzuoli   +3 more
wiley   +1 more source

Towards open-ended evolution in self-replicating molecular systems

Beilstein Journal of Organic Chemistry, 2017
In this review we discuss systems of self-replicating molecules in the context of the origin of life and the synthesis of de novo life. One of the important aspects of life is the ability to reproduce and evolve continuously.
Herman Duim, Sijbren Otto
doaj   +1 more source

Toxicity of Various Pyrolysis Liquids From Biosolids on Methane Production Yield

Frontiers in Energy Research, 2019
Aqueous pyrolysis liquid (APL) is a high-COD byproduct of wastewater biosolids pyrolysis that is comprised of numerous complex organic compounds and ammonia nitrogen (NH3-N). One potential beneficial use of APL is as a co-digestate to produce more biogas
Saba Seyedi, Kaushik Venkiteshwaran, Daniel Zitomer   +2 more
doaj   +1 more source

Exploding Bridgewire (EBW) Detonators: An Example of Synergistic Multiphysics

Propellants, Explosives, Pyrotechnics, EarlyView.
ABSTRACT Exploding bridgewire (EBW) detonators are highly temporally reproducible explosive devices that require the rapid discharge of a high‐voltage capacitance to operate and so are immune to most of the accidental hazards associated with traditional electric detonators.
P. J. Rae, T. A. Feagin, E. M. Heatwole, R. C. Rettinger   +3 more
wiley   +1 more source

Purification and Properties of Polyvinyl Nitrate and Its Compatibility With Solid Oxidizers

Propellants, Explosives, Pyrotechnics, EarlyView.
ABSTRACT Polyvinyl nitrate (PVN) is a nitrate‐ester energetic binder that can be produced directly from polyvinyl alcohol—a cheap commodity feedstock—thereby offering potential cost and supply‐chain advantages over binders based on nitrocellulose and other specialty polymers.
Stephen Spice, Monica C. Chandwani, Carole A. Morrison, Colin R. Pulham   +3 more
wiley   +1 more source

Decoding α‐MoC1−x Nanoparticle Formation in Continuous Flow via Machine Learning

Small, EarlyView.
Formation pathway of α‐MoC1−x nanoparticles synthesized from oleylamine‐Mo(CO)6 precursor under mild continuous‐flow conditions was investigated. By combining in‐line spectroscopic monitoring with a machine learning (ML) framework capable of deconvoluting complex, overlapping spectral features, we reveal mechanistic details of early‐transition‐metal ...
Bin Pan, Allison P. Forsberg, Ricki Chairil, Majed S. Madani, Susan E. Habas, Frederick G. Baddour, Richard L. Brutchey, Noah Malmstadt   +7 more
wiley   +1 more source

Autocatalysis as the Natural Philosophy Underlying Complexity and Biological Evolution [PDF]

Interdisciplinary Description of Complex Systems, 2011
The importance and different aspects of autocatalysis in evolution was analyzed. The behaviour of autocatalytic reactions mainly the Lotka-Volterra and the Schlögl equations were discussed in terms of phase change, entropy, and their oscillation ...
Güngör Gündüz
doaj  

Fluorinated copolymer resists for high‐resolution negative‐tone lithography: Preparation and patterning performance

Smart Molecules, EarlyView.
Electron‐beam induced C–F cleavage in –CF3 generates F−, which abstracts a proton to form the acid that catalyzes tBMA deprotection during post‐exposure baking. This self‐sensitization mechanism enables the precise formation of high‐resolution negative‐tone patterns with enhanced sensitivity and resolution.
Yuting Tang, Wenzheng Li, Xinyan Huang, Min Zhang, Han Han, Jialong Zhang, Qinyu Luo, Jiangli Fan, Pengzhong Chen, Xiaojun Peng   +9 more
wiley   +1 more source

Autocatalysis, Autopoiesis, and the Opportunity Cost of Individuality

Biomimetics
Ever since Varela and Maturana proposed the concept of autopoiesis as the minimal requirement for life, there has been a focus on cellular systems that erect topological boundaries to separate themselves from their surrounding environment.
Nemanja Kliska, Chrystopher L. Nehaniv
doaj   +1 more source