Results 31 to 40 of about 283,619 (307)

Enzymatic modification of cassava starch (Corpoica M-Tai) around the pasting temperature

Dyna, 2018
Cassava starch variety Corpoica – TAI, was modified with a commercial α-amylase, in order to evaluate the effects of temperature, reaction time and enzyme/substrate (E/S) ratio on the degree of hydrolysis, and production of enzymatic modified starches ...
Jairo Salcedo-Mendoza, Sergio Paternina-Urzola, Deivis Lujan-Rhenalds, Jorge Figueroa Flórez   +3 more
doaj   +1 more source

Structure evolution and mechanical behavior of poly(ethylene terephthalate) fibers drawn at different number of drawing stages [PDF]

Chemical Industry and Chemical Engineering Quarterly, 2012
In this work, the structure, mechanical and thermal properties of PET fiber obtained by hot multi-stage drawing have been investigated in terms of their dependence on the number of drawing steps at an equivalent total draw ratio. Differential scanning
Haji Aminoddin, Rahbar Semnani Ruhollah
doaj   +1 more source

Constrained Amorphous Interphase and Mechanical Properties of Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate)

Frontiers in Chemistry, 2019
In the present study, for the first time the evolution of tensile mechanical properties of different poly(3-hydroxybutyrate-co-3-hydroxyvalerate) copolymers (PHBV8 and PHBV12, with 8 mol% and 12 mol% of HV co-units, respectively) as a function of the ...
Maria Cristina Righetti, Laura Aliotta, Norma Mallegni, Massimo Gazzano, Elisa Passaglia, Patrizia Cinelli, Andrea Lazzeri, Andrea Lazzeri   +7 more
doaj   +1 more source

High performance shape memory polyurethane synthesized with high molecular weight polyol as the soft segment [PDF]

, 2012
Shape memory polyurethanes (SMPUs) are typically synthesized using polyols of low molecular weight (MW~2,000 g/mol) as it is believed that the high density of cross-links in these low molecular weight polyols are essential for high mechanical strength ...
Ahmad, Manzoor, Fu, Richard, Huang, Wei Min, Luo, Jikui, Miraftab, Mohsen, Purnawali, Hendra, Xu, Bin   +6 more
core   +2 more sources

Microstructural contributions of different polyolefins to the deformation mechanisms of their binary blends [PDF]

, 2020
The mixing of polymers, even structurally similar polyolefins, inevitably leads to blend systems with a phase-separated morphology. Fundamentally understanding the changes in mechanical properties and occurring deformation mechanisms of these immiscible ...
De Meester, Steven, Demets, Ruben, Dewulf, Jo, Mys, Nicolas, Ragaert, Kim, Van Belle, Astrid, Van Geem, Kevin, Van Kets, Karen   +7 more
core   +1 more source

The effect of switchable ionic liquid (SIL) treatment on the composition and crystallinity of birch chips (Betula pendula) using a novel alkanol amine-organic superbase-derived SIL

Green Processing and Synthesis, 2014
Two-step treatment of birch chips (Betula pendula) was tested using diethanolamine (DEA)-1,8-diazabicyclo-[5.4.0]-undec-7-ene (DBU)-CO2-switchable ionic liquid (SIL), resulting in a 23% weight reduction in 24 h. The weight of the chips was reduced to 32%
Anugwom Ikenna, Eta Valeri, Mäki-Arvela Päivi, Virtanen Pasi, Lahtinen Manu, Mikkola Jyri-Pekka   +5 more
doaj   +1 more source

Anisotropic Assembly of Colloidal Nanoparticles: Exploiting Substrate Crystallinity [PDF]

, 2007
We show that the crystal structure of a substrate can be exploited to drive the anisotropic assembly of colloidal nanoparticles. Pentanethiol-passivated Au particles of approximately 2 nm diameter deposited from toluene onto hydrogen-passivated Si(111 ...
Brust M., EMMANUELLE PAULIAC-VAUJOUR, JAMES A. HAYTON, Martin C. P., Martin C. P., PHILIP J. MORIARTY   +5 more
core   +2 more sources

Crystalline confinement [PDF]

Proceedings of 31st International Symposium on Lattice Field Theory LATTICE 2013 — PoS(LATTICE 2013), 2014
We show that exotic phases arise in generalized lattice gauge theories known as quantum link models in which classical gauge fields are replaced by quantum operators. While these quantum models with discrete variables have a finite-dimensional Hilbert space per link, the continuous gauge symmetry is still exact.
Banerjee D., Widmer P., Jiang F.-J., Wiese U.-J.   +3 more
openaire   +3 more sources

Experimental Study on Rejuvenation of Aged Power Cables via Simulation Operation

Energies
Thermal effects play a crucial role in the evolution of insulation performance in power cables during long-term operation. Before the experiments, crosslinked polyethylene (XLPE) sheets and cables were thermally aged at 105 °C for up to 180 days.
Yue Xie, Yu Zhang, Yihui Lou, Jinming Zhang   +3 more
doaj   +1 more source

Potential of Pineapple Leaf Fibers and Their Modifications for Development of Tile Composites

Journal of Natural Fibers, 2022
The research article focuses on succinct characterization of pineapple leaf fibers before and after different chemical modification techniques so as to ease its usage in developing light weight composite tiles for bathroom floor or wall tiles in building
Jyoti Jain, Shishir Sinha
doaj   +1 more source