Bioplásticos

Bioplásticos

Mechanical Strength and Chloride Ions’ Penetration of Alkali-Activated Concretes (AAC) with Blended Precursor
24/06/2022 - The purpose of this study was to investigate the properties of hardened alkali-activated concrete, which is considered an eco-friendly alternative to Portland cement concrete. In this paper, the...
Acrylate polymer prepared by dispersion polymerization and its crude oil emulsion demulsification performance
20/06/2022 - For the design of non?halogenated flame retardants (FRs), adoption of suitable organic chemistries is recommended. Amongst, azide?alkyne click chemistry (AAC) was found to be one of the best methods...
Multifunctional and stretchable graphene/textile composite sensor for human motion monitoring
18/06/2022 - Toughening PLA by melt blending with PBAT and NRAbstractPolylactic acid (PLA) is one of the most commercially potential bio?based and biodegradable materials recently used to partially replace...
The Effect of Pore Structure on Impact Behavior of Concrete Hollow Brick, Autoclaved Aerated Concrete and Foamed Concrete
08/06/2022 - Porous concrete is an energy absorption material, which has been widely used in civil engineering, traffic engineering and disaster reduction engineering. However, the effect of pore structure on the...
Bio-based poly(butylene diglycolate-co-furandicarboxylate) copolyesters with balanced mechanical, barrier and biodegradable properties: A prospective substitute for PBAT
01/08/2022 - Poly(butylene adipate-co-terephthalate) (PBAT) is a flexible aliphatic/aromatic copolyester commercialized for degradable plastics, while the slow degradation rates and poor barrier...
Mitochondrial uncouplers induce proton leak by activating AAC and UCP1
25/05/2022 - Mitochondria generate heat due to H+ leak (IH) across their inner membrane1. IH results from the action of long-chain fatty acids on uncoupling protein 1 (UCP1) in brown fat2–6 and ADP/ATP...
A self-assembled nanostructure from an amphiphilic aromatic polyester containing siloxane and poly(phenylene oxide) in epoxy resin
20/05/2022 - Abstract A novel amphiphilic aromatic polyester (PPM) containing polydimethylsiloxane (PDMS) and poly(phenylene oxide) (PPO) was synthesized by one-pot polymerization and...
Synergistic toughening of poly(lactic acid) by poly(butylene adipate?co?terephthalate) and poly(methyl methacrylate)–poly(butyl acrylate)–poly(methyl methacrylate) block copolymer
07/05/2022 - For the PLA/PBAT/MAM blend, the compatibility between PLA and PBAT was improved significantly due to the presence of MAM. The MAM acts as a “bridge” between PLA and PBAT at the interface, which...
Statistical optimization for preparing nanofibrous mats of polybutylene adipate co?terephthalate/poly(vinylpyrrolidone) blends by solution blow spinning
14/05/2022 - Surface response analysis was used to analyze the effect of process variables during the formation of biodegradable PBAT/PVP nanofibers. Characterization steps revealed a uniform morphology and a...
The thermo-mechanical recyclability potential of biodegradable biopolyesters: Perspectives and limits for food packaging application
01/07/2022 - Up to now, recycling has been opposed to biodegradability, although these two end-of-life options are complementary. If combined in an integrated system, recycling creates an after-use economy,...
Antimicrobial resistance genes in microbiota associated with sediments and water from the Akaki river in Ethiopia
18/05/2022 - The spread of antimicrobial-resistant pathogens is a global health concern. Most studies report high levels of antimicrobial resistance genes (ARGs) in the aquatic environment; however, levels...
Tailoring Interfacial Adhesion between PBAT Matrix and PTFE-Modified Microcrystalline Cellulose Additive for Advanced Composites
12/05/2022 - Cellulose materials have the potential to serve as sustainable reinforcement in polymer composites, but they suffer from challenges in improving interfacial compatibility with polymers through...
Aryl sulfonic acid catalysts: Effect of pendant group structure on activity in hydrolysis of polyethylene terephthalate
27/04/2022 - A feasible and effective approach was demonstrated for the preparation of Lignin modified PBAT biocomposites with enhanced tensile strength. Zinc stearate and epoxy soybean oil were introduced as the...
Lignin modified PBAT composites with enhanced strength based on interfacial dynamic bonds
28/04/2022 - AbstractThe two?stage curing approach is one of the promising strategies to achieve the 3D printing of high?performance elastomers. Herein, a novel resin formulation that is composed of a...
Additively manufactured short carbon fiber reinforced polyetheretherketone by coating polyetherimide at the interface using fused filament fabrication
22/04/2022 - AbstractPoly(butylene adipate?co?terephthalate) (PBAT) was functionalised with itaconic anhydride (IA) via melt grafting in a batch mixer, initiated by dicumyl peroxide (DCP). It was found that the...
The Use of Branching Agents in the Synthesis of PBAT
22/04/2022 - Biodegradable polyesters represent an advanced alternative to polyolefin plastics in various applications. Polybutylene adipate terephthalate (PBAT) can compete with polyolefins in terms of their...
Modified cellulose nanocrystals based on SI?ATRP for enhancing interfacial compatibility and mechanical performance of biodegradable PLA/PBAT blend
21/04/2022 - To make up for the brittleness of poly(lactic acid) (PLA), people usually introduce flexible poly(butylene adipate?co?terephthalate) (PBAT) which greatly reduces the strength and limits toughening...
Efficacy of Whey Protein Film Incorporated with Portuguese Green Tea (Camellia sinensis L.) Extract for the Preservation of Latin-Style Fresh Cheese
16/04/2022 - Fresh cheese composition favors the growth of microorganisms and lipid oxidation, leading to a short shelf life. Whey protein concentrates can be used to produce active films in which green tea...
Biodegradable poly(butylene adipate-co-terephthalate)/poly(vinyl acetate) blends with improved rheological and mechanical properties
07/04/2022 - Abstract Poly(butylene adipate-co-terephthalate) (PBAT) are expected to be widely used for production of biodegradable film materials. However, poor rheological properties, low...
Biodegradation Behavior of Degradable Mulch with Poly (Butylene Adipate-co-Terephthalate) (PBAT) and Poly (Butylene Succinate) (PBS) in Simulation Marine Environment
08/04/2022 - Poly (butylene adipate-co-terephthalate) (PBAT) and poly (butylene succinate) (PBS) are polyester materials with excellent biodegradability under soil and compost conditions. However, the research on...
Modelling the structure-property relationships of high performance PBAT-based biocomposites with natural fibers obtained from Chamaerops humilis dwarf palm
26/05/2022 - Two fibrous fillers were achieved from stalks and leaves of Chamaerops humilis dwarf palm and tested as reinforcing agents for poly(butylene adipate co-terephthalate) (PBAT)-based...