Results 31 to 40 of about 28,046 (290)

Chemically bonded PA66-PTFE-oil-cb composites as novel tribologically effective materials: Part 2; pp. 493–499 [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2021
Polytetrafluoroethylene (PTFE) exhibits excellent non-stick properties and a very low coefficient of friction under tribological stress, but it is incompatible with almost all other polymers.
Thanh-Duong Nguyen   +6 more
doaj   +1 more source

Combined application of extrusion and irradiation technologies: A strategy oriented for green and cost-effective chemistry [PDF]

open access: yesBioResources, 2013
Reactive extrusion is an attractive green route for cost-effective polymer processing, which has the potential to enhance the commercial viability of biomass-derived materials.
Ali Ayoub   +3 more
doaj  

Agglomeration during reactive extrusion of particle-based biomass pellets [PDF]

open access: yesEPJ Web of Conferences
Creating mechanically sound aggregates from powder or grain-like feedstocks is a fundamental challenge across industries. One example is the production of pellets from organic materials, like wood residues and cereal grains, for biofuel and animal feed ...
Benders Richard T.   +4 more
doaj   +1 more source

Contribution of reactive extrusion to technological and scientific challenges of eco-friendly circular economy [PDF]

open access: yes, 2018
Nowadays, development and production in eco-friendly circular economy are themes of great importance. Concerning optimization of materials production, reactive extrusion (REX) is well established, using extruder as a chemical reactor.
Alessia Quitadamo, Valerie Massardier
core   +1 more source

Study of the compatibilizer effect in the properties of starch/polyester blends [PDF]

open access: yesPolímeros, 2013
The mechanical, viscoelastic and structural properties of starch/ poly (butylene adipate co-terephthalate) (PBAT) blown films produced by reactive extrusion were evaluated using citric acid (CA) and maleic anhydride (MA) as compatibilizers.
Juliana Bonametti Olivato   +4 more
doaj   +3 more sources

Effect of process parameters on the properties of LDPE/sepiolite composites

open access: yesPolímeros
This study examines the effect of processing parameters and reactive extrusion on the mechanical, thermal, morphological, and rheological properties of low-density polyethylene (LDPE) and sepiolite composites (LDPE/sepiolite: 95/5 wt/wt) produced by in ...
Priscila da Silva e Souza   +2 more
doaj   +1 more source

Reactive Extrusion Grafting of Glycidyl Methacrylate onto Low-Density and Recycled Polyethylene Using Supercritical Carbon Dioxide

open access: yesApplied Sciences, 2022
Glycidyl methacrylate (GMA) was grafted onto (recycled) polyethylene (PE) to design a new adhesive with better mechanical properties compared to non-grafted PE.
Frederique A. Versteeg   +3 more
doaj   +1 more source

Reactive extrusion of polymers by peroxides

open access: yes, 2021
Diploma thesis deals with processing of two types of PP, HDPE, LDPE, PET, PA, PS, PMMA and ABS by reactive extrusion in presence of peroxides. The theoretical part summarizes existing knowledge about processing of used polymers.
Červený, Ladislav
core   +1 more source

Planetary roller extruders in the sustainable development of polymer blends and composites – Past, present and future

open access: yeseXPRESS Polymer Letters
Screw extruders as continuous flow reactors allow the synthesis of new polymers, preparation of polymer blends and composites, and modification or functionalization of commercially available polymers.
Krzysztof Formela, Barış Eyigöz
doaj   +1 more source

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

open access: yesFEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

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