Bioplásticos

Bioplásticos

A Photo?degradable Crosslinker for the Development of Light?responsive Protocell Membranes
22/09/2023 - A novel photocleavable, poly(ethylene) glycol?based crosslinker, reactive to biological nucleophiles is synthesized and used to covalently stabilise proteinosome membranes. The crosslinker...
Evaluation of Self-Degradation and Plugging Performance of Temperature-Controlled Degradable Polymer Temporary Plugging Agent
11/09/2023 - Temporary plugging diversion fracturing (TPDF) technology has been widely used in various oil fields for repeated reconstruction of high-water-cut old oil wells and horizontal well reservoir...
Advanced Biological Oxidation of Domestic Sewage with the Use of Compost Beds in a Natural Treatment System for Wastewater
11/09/2023 - Due to the progressing problems with ensuring sufficient quantity and quality of water for municipal, irrigation and economic purposes, the pressure to reuse treated wastewater is increasing. This...
Enhancing Starch−Based Packaging Materials: Optimization of Plasticizers and Process Parameters
30/08/2023 - In order to actively promote green production and address these concerns, there is an urgent need for new packaging materials to replace traditional plastic products. Starch−based...
Water absorption behavior and physico?chemical and mechanical performance of PLA?based biopolymers filled with degradable glass fibers
24/08/2023 - AbstractPolyaniline (PANI) in its emeraldine base (PANI?EB) and salt (PANI?ES) forms was combined with polyvinylpyrrolidone (PVP) to produce nanofibers in a one?step electrospinning process using a...
Cellulose Nanocrystal Embedded Composite Foam and Its Carbonization for Energy Application
18/08/2023 - In this study, we fabricated a cellulose nanocrystal (CNC)-embedded aerogel-like chitosan foam and carbonized the 3D foam for electrical energy harvesting. The nanocrystal-supported cellulose foam...
Smart shape memory polymers and their significance in biomedical applications: A review
11/08/2023 - Shape?memory polymers (SMP) are materials responsive to stimuli, which will be modified to their initial form on the occurrence of an appropriate input. SMPs have been a class of impulsively valuable...
Biobased Electronics: Tunable Dielectric and Piezoelectric Cellulose Nanocrystal—Protein Films
06/08/2023 - Cellulose has been a go-to material for its dielectric properties from the onset of capacitor development. The demand for an energy storage solution continues to grow, but the supply remains limited...
Potential use of biodegradable polymers for facemask filter inserts produced using electrospinning methods
03/08/2023 - Biodegradable polymers for facemask filter inserts.The elevated use of petroleum?based polymers to manufacture single?use disposable face masks is a serious environmental concern that has detrimental...
Synthesis of degradable polyacetals via an intramolecular phosphonium bisborane Lewis pair catalyzed copolymerization of epoxides with o?phthaladehyde
26/07/2023 - An intramolecular phosphonium bisborane Lewis pair (PBB?Br) was used for the copolymerization of o?phthalaldehyde (OPA) with epoxides under mild conditions. In particular,...
Pervaporative poly(vinyl alcohol)/H?? zeolite mixed matrix membranes for dewatering C2–C3 alcohols
19/07/2023 - Manufacture of PHBH foam with high cell density at low processing temperature.AbstractPoly(3?hydroxybutyrate?co?3?hydroxyhexanoate) (PHBH) foams were prepared by a foam injection molding (FIM)...
Synthesis and characterization of aromatic copolyesters derived from bisphenol B and phenol red
18/07/2023 - PBAF60 is a prospective alternative to petroleum?based PBAT due to its excellent comprehensive properties, especially the outstanding gas barrier performance.AbstractIn this work, we prepared a...
Synthesis of Degradable Polyolefins Bearing Disulfide Units via Metathesis Copolymerization
20/07/2023 - Disulfide bonds are dynamic covalent bonds, which are easy to cleave and reform upon chemical stimulus. Various methods including the oxidative coupling of thiols and polymerization of...
Ductile Effect of PGA/PCL Blending Plastics Using a Novel Ionic Chain Extender with Non-Covalent Bonds
12/07/2023 - Polyglycolic acid (PGA) is a promising polymer in the packaging field owing to its excellent hydrolysis, heat resistance, and gas barrier properties, but it is limited in application due to its poor...
Early In Vivo Osteogenic and Inflammatory Response of 3D Printed Polycaprolactone/Carbon Nanotube/Hydroxyapatite/Tricalcium Phosphate Composite Scaffolds
05/07/2023 - The development of advanced biomaterials and manufacturing processes to fabricate biologically and mechanically appropriate scaffolds for bone tissue is a significant challenge. Polycaprolactone...
Effect of Degradation in Small Intestinal Fluids on Mechanical Properties of Polycaprolactone and Poly-l-lactide-co-caprolactone
06/07/2023 - Polycaprolactone and poly-l-lactide-co-caprolactone are promising degradable biomaterials for many medical applications. Their mechanical properties, especially a low elastic modulus, make them...
Dual network interpenetrating degradable waterborne polyurethanes with hydrogen bonded cross?linked modified ??cyclodextrin hydrophobic cavities
27/06/2023 - Schematic diagram of the hemodialysis process of the tree?like nanofibrous membraneAbstractThe contradiction between sufficient removal of middle molecular toxins and the retention of beneficial...
Effects of Future Climate Change on Spring Maize Yield and Water Use Efficiency under Film Mulching with Different Materials in the LOESS Plateau Region of China
15/06/2023 - Background: Traditional polyethylene film mulching is widely used in the Loess Plateau region of China to improve crop yields. However, whether long-term polyethylene film mulching can continue to...
Preparation and Characterization of Bio-Based PLA/PEG/g-C3N4 Low-Temperature Composite Phase Change Energy Storage Materials
29/06/2023 - As energy and environmental issues become more prominent, people must find sustainable, green development paths. Bio-based polymeric phase change energy storage materials provide solutions to cope...
Iron?Catalyzed Alkoxylation, Dehydrogenative?Polymerization and Tandem Hydrosilylative?Alkoxylation
07/06/2023 - Alkoxylation, hydrosilylative?alkoxylation, and dehydrogenative?polymerization are some of the most widely used transformations in synthetic chemistry. However, these transformations are...
Super-Tough and Biodegradable Poly(lactide-co-glycolide) (PLGA) Transparent Thin Films Toughened by Star-Shaped PCL-b-PDLA Plasticizers
08/06/2023 - To obtain fully degradable and super-tough poly(lactide-co-glycolide) (PLGA) blends, biodegradable star-shaped PCL-b-PDLA plasticizers were synthesized using natural originated xylitol as initiator....