Materiales avanzados

Materiales avanzados

3D printing thermo-responsive shape memory polymer composite based on PCL/TPU blends
25/05/2022 - Abstract Polycaprolactone (PCL) and thermoplastic polyurethane (TPU), are the most common shape-memory materials, but towards PCL/TPU blends, little attention was paid to the...
In situ real-time investigation of Staphylococcus aureus on hemisphere-patterned polyurethane films
- Surface patterning is a promising approach to prevent bacterial adhesion and biofilm formation without the concerns of antimicrobial resistance. To determine the parameters of a patterned surface...
Synthesis and biological evaluation of new series of benzamide derivatives containing urea moiety as sEH inhibitors
15/08/2022 - The pharmacological inhibition of soluble epoxide hydrolase (sEH) was shown to reduce inflammation and pain. Herein, we described a series of newly synthesized sEH inhibitors with the...
Thermally stable, flame retardant, low?dielectric constants, and flexible thermosetting resins based on a tetra?functional benzoxazine compound possessing a cyclic siloxane core
19/05/2022 - Abstract3D bioprinting has a high potential for directly printing customized tissues and organs for surgical transplantation. However, adequate bioink formulations, in which cells can be combined...
Nanostructure transformation in epoxy/block copolymer composites with good mechanical properties
01/07/2022 - Fabricating high performance thermosets through the formation of specific nanostructures via suitable design of block copolymer has become a new trend in recent years. While the correspondence...
Front Cover: Ab Initio Methods in First?Row Transition Metal Chemistry (Eur. J. Inorg. Chem. 15/2022)
18/05/2022 - The Front Cover shows the reaction profiles, calculated at different levels of theory, of H?atom abstraction and epoxidation processes of a non?heme iron(IV)?oxo biomimetic catalyst featuring a...
Use of Carbon and Basalt Fibers with Adhesives to Improve Physical and Mechanical Properties of Plywood
19/05/2022 - Currently, wood is presented as an alternative to traditional building materials and to mitigate climate change. Chile is one of the eight largest wood producers in the world; therefore, wood-based...
Preparation of novel bio-based imine-containing phthalonitrile resin through the nucleophilic reaction in green solvent
- Nucleophilic reactions, as extensive and easily implementable reactions in organic chemistry, play a significant role in the molecular design of organic compounds and polymer materials. In current...
A comprehensive review on bio epoxy based IPN: Synthesis, properties and applications
14/06/2022 - Research and development of nature friendly materials is gaining momentum due to the increasing environmental awareness. Presently, there is an increasing focus in the expansion of renewable...
Design of ultrastretchable and superelastic tailorable hydrophilic thermoplastic elastomeric materials
- In this work, new ultrastretchable and super-elastic hydrophilic thermoplastic elastomeric (TPEs) materials were developed for the first time from the thermoplastic polyurethane (TPU) and...
Recent advances in flame retardant epoxy systems containing non-reactive DOPO based phosphorus additives
01/06/2022 - Epoxy resins are widely used in the manufacturing of fire safety products in the industry. 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) is a commercially available non-toxic reactive...
A new type of unsaturated polyester resin with epoxy functionalized nano?silica and dimer fatty acid: Preparation and property
02/05/2022 - The surface of reactive nano?silica coated with a silage coupling agent containing the epoxy group (denoted as E?SiO2) and dimer fatty acids (DFA) were allowed to participate in the in?situ...
High strength and anti?freezing piezoresistive pressure sensor based on a composite gel
29/04/2022 - Piezoresistive sensors constructed by functionalized elastic gel have received broad research by virtue of the visible advantages, such as low?cost, stability of signal collection, and excellent...
Biomass based polyols and biomass based polyurethane materials as a route towards sustainability
01/06/2022 - PU is usually prepared by reacting a petroleum-based polyol (polyol polyether or polyol polyester) with isocyanate. By modifying the polyols and the diisocyanates to improve properties of PU. PU...
Advances on thermal conductive epoxy?based composites as electronic packaging underfill materials – A review
17/05/2022 - The integrated circuits (ICs) industry has been continuously producing micro?electronic components with ever higher integration level, packaging density and power density, which demand more stringent...
Unique silk-carbon fiber core-spun yarns for developing an advanced hybrid fiber composite with greatly enhanced impact properties
15/06/2022 - Unique silk-carbon fiber (CF) core-spun yarns (SCCYs) were created via a scalable hollow spindle spinning method. As a novel type of hybrid fiber reinforcement, SCCYs were utilized to develop an...
3D printable hybrid acrylate-epoxy dynamic networks
- Polymer networks with dynamic bonds, also known as covalent adaptable networks (CANs) combine the superior mechanical properties and chemical resistance of thermosets with the ability to be...
Enhanced thermal conductivity of epoxy acrylate/h?BN and AlN composites by photo?curing 3D printing technology
17/05/2022 - AbstractCyclic acid anhydride – based hardeners provide excellent physic?mechanical and thermal properties to epoxy networks. However, the curing process takes place at relatively high temperature,...
Hydrogels for Biomedicine Based on Semi-Interpenetrating Polymeric Networks of Collagen/Guar Gum: Applications in Biomedical Field and Biocompatibility
12/05/2022 - Determining the controlled release capacity of drugs with therapeutic interest as well as the biocompatibility of hydrogels based on natural and synthetic polymers is of the utmost importance to...
A New Hybrid MCDM Model for Insulation Material Evaluation for Healthier Environment
13/05/2022 - One of the easiest and most common methods for effectively reducing building energy demand is the selection of adequate thermal insulation materials. Thermal insulation is a substantial contribution...
Preparation and Characterization of Electromagnetic-Induced Rupture Microcapsules for Self-Repairing Mortars
18/05/2022 - Cement-based materials are susceptible to internal cracks during service, leading to a reduction in their durability. Microcapsules can effectively self-repair cracks in cement-based materials. In...