Results 31 to 40 of about 14,642 (198)

Burst Diaphragms Based on Carbon Black/Silica Hybrid Filler Reinforced Nitrile Rubber Compounds

open access: yesJournal of Soft Matter, Volume 2014, Issue 1, 2014., 2014
Nitrile rubber (NBR) based elastomer compounds containing different carbon black/silica composition ratios were prepared using laboratory‐scale two roll mill. According the cure characterization results, addition of the reinforcing filler, either carbon black or silica, shortened the optimum cure time and also scorch time of samples compared to that of
Ali Asghar Davoodi   +4 more
wiley   +1 more source

Unilateral NMR: a Noninvasive Tool for Monitoring In Situ the Effectiveness of Intervention to Reduce the Capillary Raise of Water in an Ancient Deteriorated Wall Painting

open access: yesInternational Journal of Spectroscopy, Volume 2012, Issue 1, 2012., 2012
Portable unilateral NMR was used to quantitatively map in a fully noninvasive way the moisture distribution in an ancient deteriorated wall painting before and after an intervention to reduce the capillary raise of water through the wall. Maps obtained at a depth of 0.5 cm clearly showed the path of the capillary raise and indicated that, after the ...
Valeria Di Tullio   +6 more
wiley   +1 more source

Effects of Different Artificial Agings on Structure and Properties of Whatman Paper Samples

open access: yesInternational Scholarly Research Notices, Volume 2011, Issue 1, 2011., 2011
With the aim at controlling cellulose degradation phenomena, the natural aging of Whatman paper samples was simulated through different artificial aging processes: thermal oxidation in air at constant temperature, photo‐oxidation under Xenon arc lamp, accelerating ageing in climatic chamber, and chemical oxidation with sodium methaperiodate.
M. Cocca   +6 more
wiley   +1 more source

Preferentna imena konstitucijskih jedinica koja se upotrebljavaju u imenima polimera na osnovi strukture (I. dio) [PDF]

open access: yesKemija u Industriji, 2018
Načinjen je popis konstitucijskih jedinica, KJ, tablica 1, koje se u skladu s pravilima IUPAC-ovog imenovanja upotrebljavaju za tvorbu imena polimera.
Vida Jarm
doaj   +1 more source

Biodegradable packaging for storage of fruit and other horticultural products: materials, properties and its effect on fruit quality [PDF]

open access: yes, 2011
Uloga ambalažnog materijala je da se sačuvaju prehrambena i senzorička svojstva proizvoda, prema navedenim nutritivnim vrijednostima informira potrošača, olakša skladištenje i manipulativni uvjeti.
Goran Fruk, Iva Tokić, Tomislav Jermić
core   +3 more sources

A critical study of sustainable biocomposites developed from rheologically distinct poly(butylene adipate‐co‐terephthalate) (PBAT) reinforced with biocarbon from coconut (Cocos nucifera) for rigid applications

open access: yesThe Canadian Journal of Chemical Engineering, Volume 103, Issue 9, Page 4301-4313, September 2025.
This work highlights the development of a sustainable composite with improved dimensional and thermal stability as well as mechanical performance, for rigid application. To promote sustainability and a circular economy, we have reduced PBAT percentage content by half and incorporated waste coconut shell up to 50 wt.%.
Blessing E. Itabana   +3 more
wiley   +1 more source

Polyamide recycling by selective dissolution approach: Life Cycle Assessment study and environmental impacts comparison with different recycling technologies

open access: yesPolymer Engineering &Science, Volume 65, Issue 2, Page 765-782, February 2025.
The study evaluates the industrial feasibility of the selective dissolution recycling of polyamide 6 (PA6) waste, comparing it with the current industrial recycling methods (mechanical and chemical), in terms of environmental impacts and applicability. Solvent‐based recycling appears promising, with a Global Warming Potential (GWP) between chemical and
Giulia Tonsi   +6 more
wiley   +1 more source

Wood flour and hazelnut shells polylactide‐based biocomposites for packaging applications: Characterization, photo‐oxidation, and compost burial degradation

open access: yesPolymer Composites, Volume 45, Issue 11, Page 9802-9818, 10 August 2024.
A biocomposites studying from the cradle to the grave. Abstract In this work, polylactide (PLA) was loaded with wood flour (WF) or hazelnut shells (HSs) (10% and 20% of fillers). The matrix and biocomposites were fully characterized from a mechanical and rheological point of view to test their processability and mechanical performance.
Marilena Baiamonte   +5 more
wiley   +1 more source

Zn(II) iyonlarının piromellitik dianhidrit ile modifiye edilmiş poliamin poliüre polimeri ile adsorpsiyonu

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2016
Bu çalışmada sulu çözeltilerden Zn(II) iyonlarının piromellitik dianhidrit ile modifiye edilmiş poliamin- poliüre polimeri (PMPPP) üzerine adsorpsiyonu incelenmiştir. Adsorpsiyon çalışmasına etkisi incelenen parametreler; pH, temas süresi, PMPPP dozu, Zn(
Çiğdem Özer   +3 more
doaj   +1 more source

Mass spectral characterisation of cyclic oligoesters in a biodegradable mulch film

open access: yesRapid Communications in Mass Spectrometry, Volume 38, Issue 10, 30 May 2024.
Rationale Plastic mulch film manages weed growth and moisture loss on the surface of cropping beds. The chemical components of such plastics include polymer(s), additives and non‐intentionally added substances (NIASs). The unknown chemical nature and behaviours of these constituents require investigation due to their potential to add to the ...
Charlie Monkley   +3 more
wiley   +1 more source

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