Results 71 to 80 of about 4,266 (210)

Robust β‐myrcene block copolymer elastomeric vitrimers

open access: yesPolymer 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   +2 more
wiley   +1 more source

Viscoelastic Properties Identification Through Innovative Image-Based DMTA Strategy [PDF]

open access: yes
The identification of the high strain-rate properties of materials is an important topic for many engineering applications such as crash worthiness, blast loading, industrial forming, among others. It is also a very challenging experimental task mainly because of the difficulty in measuring impact loads accurately in regimes where inertia effects are ...
Seghir, Rian, Pierron, Fabrice
openaire   +2 more sources

SMARTS-RX: a SMARTS-based representation of chemical functions for reactivity analysis

open access: yesJournal of Cheminformatics
Chemical functional group annotation provides a mechanistically meaningful framework to interpret model outcomes and guide synthetic strategies. Here, we present SMARTS-RX—a curated, hierarchical ontology of 406 SMARTS-based functional group descriptors ...
Thierry Kogej   +4 more
doaj   +1 more source

Tooth microwear texture in odontocete whales: variation with tooth characteristics and implications for dietary analysis

open access: yesBiosurface and Biotribology, 2017
Understanding the diets and trophic relationships of toothed whales is central to understanding their roles in marine ecosystems, and associated conservation issues.
Mark A. Purnell   +3 more
doaj   +1 more source

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

open access: yesJournal 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   +3 more
wiley   +1 more source

2011 TMTA/DMTA Ensemble & Original Composition Recital

open access: yes, 2011
TMTA/DMTA Ensemble & Original Composition Recital at the UNT College of Music Recital ...
TMTA/DMTA Ensemble
core  

Was the steppe bison a grazing beast in Pleistocene landscapes?

open access: yesRoyal Society Open Science
The history and palaeoecology of the steppe bison (Bison priscus) remain incompletely understood despite its widespread distribution. Using dental microwear textural analysis (DMTA) and vegetation modelling, we reconstructed the diet and assessed the ...
Emilia Hofman-Kamińska   +7 more
doaj   +1 more source

Gas check prevention during calendering of poly(vinyl chloride) films using poly(caprolactone)‐based additives

open access: yesJournal of Vinyl and Additive Technology, Volume 31, Issue 2, Page 441-452, March 2025.
Three poly(caprolactone) (PCL)‐based additives of differing molecular weights were used as a secondary plasticizer to prevent gas checks in PVC films produced through calendering. Results showed that chemical and physicochemical properties influence the prevention or reduction of gas checks, unlike rheological properties including complex viscosity and
Luis F. Alvarez   +4 more
wiley   +1 more source

Dietary differences in archosaur and lepidosaur reptiles revealed by dental microwear textural analysis

open access: yesScientific Reports, 2019
Reptiles are key components of modern ecosystems, yet for many species detailed characterisations of their diets are lacking. Data currently used in dietary reconstructions are limited either to the last few meals or to proxy records of average diet over
Jordan Bestwick   +2 more
doaj   +1 more source

The plasticisation model of dye diffusion: Part 8

open access: yesColoration Technology, EarlyView.
Abstract Re‐evaluation using the Williams–Landel–Ferry equation, of exhaustion/rate of dyeing/fixation data previously reported for and acid dye, natural dye and two reactive dyes on three different types of silk substrate revealed that thermally activated dye diffusivity is governed by the thermally regulated structural relaxation times of the ...
Stephen M. Burkinshaw
wiley   +1 more source

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