Results 81 to 90 of about 28,956 (346)

“In-situ” lipase-catalyzed cotton coating with polyesters from ethylene glycol and glycerol [PDF]

open access: yes, 2018
"Available online 12 January 2018"Several polyesters were synthesized from ethylene glycol, glycerol and adipate, succinate dimethyl esters. Immobilized Candida antarctica lipase B was used as catalyst for 6hours under vacuum at 70°C without any further ...
Azim   +34 more
core   +1 more source

Electrically Conductive and Recyclable Biocomposite Coatings for Robotic Grippers and Touch Sensors

open access: yesAdvanced Intelligent Systems, EarlyView.
Sustainable robotics can reduce robot environmental impact by optimizing wear‐prone components, such as grippers and touch sensors, with recyclable materials and low‐energy manufacturing. Electrically conductive biocomposite coatings, made from biopolymers and carbon fillers, enable robust piezoresistive and piezocapacitive feedback.
Maedeh Najafi   +4 more
wiley   +1 more source

Optimising Ductility of Poly(Lactic Acid)/Poly(Butylene Adipate-co-Terephthalate) Blends Through Co-continuous Phase Morphology

open access: yesJournal of Polymers and the Environment, 2018
This paper examines the effect of the melt viscosities of the two component polymers on the morphology and mechanical properties of a series of biodegradable polymer blends.
Yixin Deng   +3 more
semanticscholar   +1 more source

Nanoparticles From Infusion Beverage Wastes and Their Effect on PLA/PHB Plasticized Composite Behavior

open access: yesJournal of Applied Polymer Science, EarlyView.
Schematic overview of the valorization of yerba mate and black tea waste into lignocellulosic nanoparticles (nYM, nBT), incorporated into PLA/PHB films plasticized with maleinized corn oil (MCO). The resulting bionanocomposites exhibited enhanced barrier and mechanical performance, making them suitable for biodegradable food packaging applications ...
Jaume Sempere‐Torregrosa   +5 more
wiley   +1 more source

Bio-based aliphatic polyesters of 1,4-butanediol with different diacids: Effect of carbon chain lengths on mechanical properties and enzymatic hydrolysis

open access: yeseXPRESS Polymer Letters
Polybutylene succinate, polybutylene adipate, polybutylene suberate and their copolyesters were synthesized. The physical properties and biodegradability of these polyesters were controlled by adjusting the composition of carboxyl monomers. Compared with
Shuning Liu   +3 more
doaj   +1 more source

Plastisol Gelation and Fusion Rheological Aspects [PDF]

open access: yes, 2013
This study deals with the rheological aspects of poly-vinyl chloride (PVC) plastisol gelation and fusion processes in foamable formulations. Here, such processes are simulated by temperature-programmed experiment (5 K min−1) in which complex viscosity ...
MARCILLA, Antonio   +2 more
core   +4 more sources

Biocompatibility of the Polymer Poly(Butylene Adipate‐Co‐Terephthalate) in the Cornea of Rabbits

open access: yesJournal of Applied Polymer Science, EarlyView.
The biocompatibility of the PBAT in the rabbit cornea was evaluated through clinical assessment and histopathological analysis using hematoxylin and eosin, picrosirius red, and Masson’s trichrome staining. ABSTRACT In a novel approach to corneal biomaterials, this study evaluated the biocompatibility of heat‐pressed poly(butylene adipate‐co ...
Aline C. Pereira   +8 more
wiley   +1 more source

High performance ammonium nitrate propellant [PDF]

open access: yes, 1979
A high performance propellant having greatly reduced hydrogen chloride emission is presented. It is comprised of: (1) a minor amount of hydrocarbon binder (10-15%), (2) at least 85% solids including ammonium nitrate as the primary oxidizer (about 40% to ...
Anderson, F. A.
core   +1 more source

Esterification of dicarboxylic acids to diesters over Mn+-montmoril lonite clay catalysts [PDF]

open access: yes, 2005
Esterification of dicarboxylic acids with various alcohols and phenols in presence of metal exchanged montmorillonite clay catalyst (Mn+-mont; Mnþ ¼ Al3þ, Fe3+, Cr3+, Zn2+, Mn2+, and Ni2+) is studied.
Gopalpur Nagendrappa, .   +3 more
core   +1 more source

Extrusion Coating of Poly(Hydroxyalkanoates) (PHAs) and Blends: Modifying the Mechanical Properties and Water Vapor Barrier Performance

open access: yesJournal of Applied Polymer Science, EarlyView.
ABSTRACT Poly(hydroxy alkanoates) PHAs are a family of bio‐based and biodegradable polyesters, which are potential sustainable alternatives to fossil‐based and nondegradable plastics. The interest in PHAs ascends from their renewable origin, unique properties, and fast degradation rates in soil and marine conditions. This study focuses on properties of
Juuso Toriseva   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy