Materiales

Materiales

Effects of Graphene Morphology on Properties of Carbon Nanotube/Polyurethane Film Strain Sensors
05/12/2022 - The film flexible sensors can convert tiny changes in size or force into electrical signals. They are key components of intelligent devices and wearable devices, and are widely used in human-computer...
Polyurethane Adhesives Based on Oxyalkylated Kraft Lignin
05/12/2022 - Lignin-based polyol was obtained via oxyalkylation reaction with propylene carbonate using eucalyptus kraft lignin isolated from the industrial cooking liquor by the Lignoboost®...
Biobased Castor Oil-Based Polyurethane Foams Grafted with Octadecylsilane-Modified Diatomite for Use as Eco-Friendly and Low-Cost Sorbents for Crude Oil Clean-Up Applications
05/12/2022 - Herein we report the synthesis and characterization of novel castor oil-based polyurethane (PU) foam functionalized with octadecyltrichlorosilane (C18)-modified diatomaceous earth (DE) particles,...
Design of interconnected 1D nanomaterials with selective localization in biodegradable binary thermoplastic nanocomposite films for effective electromagnetic interference shielding effectiveness
04/12/2022 - Flexible and electrically conductive polymer nanocomposite materials are gaining popularity as EMI shield materials. Herein, we report the successful fabrication of Thermoplastic polyurethane...
pH-responsive ?-cyhalothrin nanopesticides for effective pest control and reduced toxicity to Harmonia axyridis
- In this study, pH-responsive [email protected]O-CMCS/PU nanoparticles were prepared by...
Roles of modified polyethylene addition and electron beam treatment on the interfacial, thermal, mechanical, and electrical properties of polyethylene/short carbon fiber composites
- We report the effects of glycidyl methacrylate-grafted polyethylene (EGMA) addition and electron beam (EB)-irradiation on the interfacial, thermal, dynamic mechanical, electrical, and EMI...
Thermal, rheological, and mechanical characterization of compression and injection molded ultra?high molecular weight polyethylene, high density polyethylene, and their blends
02/12/2022 - Water?soluble protoporphyrin IX (PpIX) derivatives coupled with PEGs and the polyurethane of PpIX?PEG400 were prepared and characterized. They showed good photodynamic activity to bacteria and cancer...
Efficient selective methylene blue adsorption by polyurethane/montmorillonite?based antifouling electrospun composite membranes
01/12/2022 - Herein, a series of dynamic oxime?carbamate based PUs were prepared, the dissociation of oxime?carbamate bonds occurred at 80 °C and can be accelerated by the increasing temperature, thus affect...
Investigations on the Characterization of Various Adhesive Joints by Means of Nanoindentation and Computer Tomography
02/12/2022 - The mechanical properties of cured wood adhesive films were tested in a dry state by means of nanoindentation. These studies have found that the application of adhesives have an effect on the...
Synthesis and Study of Properties of Waterborne Polyurethanes Based on β-Cyclodextrin Partial Nitrate as Potential Systems for Delivery of Bioactive Compounds
02/12/2022 - Eco-friendly waterborne polyurethanes (WPU) find wide application in agriculture as pesticide carriers, which enhances their efficiency. To provide better control of the retention time and capacity...
Thermo-Mechanical and Creep Behaviour of Polylactic Acid/Thermoplastic Polyurethane Blends
02/12/2022 - There is a great need to develop biodegradable thermoplastics for a variety of applications in a wide range of temperatures. In this work, we prepare polymer blends from polylactic acid (PLA) and...
Sunflower Oil as a Renewable Resource for Polyurethane Foams: Effects of Flame-Retardants
03/12/2022 - Currently, polyurethane (PU) manufacturers seek green alternatives for sustainable production. In this work, sunflower oil is studied as a replacement and converted to a reactive form through...
DMA of TPU Films and the Modelling of Their Viscoelastic Properties for Noise Reduction in Jet Engines
03/12/2022 - Due to current developments in jet engine design, the acoustic performance of conventional acoustic liners needs to be improved with respect to lower frequency spectrums and broadband absorption. In...
Environmentally friendly waterproof and breathable electrospun nanofiber membranes via post-heat treatment
- Waterproof and breathable nanofiber membrane (WBM) is the core of the waterproof and breathable textile. At present, it is difficult to achieve simultaneous improvement of waterproofness,...
Facile preparation of micropatterned thermoplastic surface for wearable capacitive sensor
08/02/2023 - Highly sensitive and flexible capacitive sensors are in great demand for wearable electronics, which can be achieved by preparing micropatterns on their dielectric layer surface. However, most...
Experimental study on vibration characteristics of the floating slab with under-slab polyurethane mats considering fatigue loading effect
- Under-slab polyurethane mats (USPM) are commonly recommended as a reliable vibration-damping measure in metro traffic. Since the design speed and axle load of the urban rail transit lines are...
Synergistic effects of silicon based material with intumescent flame retardant in thermoplastic polyurethane: Pre?polymerization and dynamic vulcanization based facile approach
30/11/2022 - Scheme of autocatalytic degradation of PVC containing epoxidized linseed oil superimposed on SEM image (1000x) of blisters formed in PVC film at degradation completionAbstractKinetics of thermal and...
Synthesis and Structure of 2-Hydroxypropyl Methacrylate-Capped Isophorone Diisocyanate and Poly(Propylene Glycol) Urethane Mixtures and the Properties of their UV-Cured Co-Networks with Isobornyl Methacrylate
01/12/2022 - Polyurethane acrylate prepolymers with different contents of HIPIH and HIH were synthesized via reacting excessive isophorone diisocyanate (IPDI) with poly(propylene glycol) (PPG) and then...
Effect of blend ratio on thermal, mechanical, and shape memory properties of poly (lactic acid)/thermoplastic polyurethane bio-blends
30/11/2022 - Abstract The increase in surgical interventions and the need for rapid patient recovery have sped up biomaterials research. Materials for sutures that feature shape memory...
Non-Destructive Quality Evaluation of Tropical Fruit (Mango and Mangosteen) Purée Using Near-Infrared Spectroscopy Combined with Partial Least Squares Regression
30/11/2022 - Mango and mangosteen are commercially important tropical fruits with a short shelf life. Fruit processing is one of the alternatives to extend the shelf life of these fruits. Purée is...
Effect of Coating Process on Properties of Two-Component Waterborne Polyurethane Coatings for Wood
30/11/2022 - Acrylic acid has good environmental weather resistance, water resistance, alcohol resistance, dirt resistance, and other properties. An acrylic acid dispersion with a core–shell...