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Hace 1 día · Abstract. This study introduces phthalic anhydride (P) and glycerol (G)-based polyester as an additive for upgrading lower-grade bitumen to higher-grade bitumen. The different colorless polyesters were synthesized using polycondensation of P and G as a monomer in the ratio of 1:1 and polymerization time of 1, 3, 5, and 7 h.
Hace 1 día · Developing green and sustainable polymers is one of the effective ways to limit carbon emissions and reduce dependence on petroleum resources. Therefore, polyester-polycarbonates based on carbon dioxide (CO2) have attracted extensive attention. However, polyester-polycarbonates with fully rigid structures are difficult to prepare by traditional transesterification methods, which result in low ...
Hace 2 días · Carbios. French biotech firm Carbios has teamed with recycling tech venture Tomra Textiles in an attempt to scale the circularity of polyester textiles. The duo signed an agreement to establish a new textile waste collection, sorting and preparation stream in Northern Europe. The collected material—prepared via Tomra’s automated sensor ...
Hace 1 día · V. Malūnavičius and J. Daunoras presented during the panel "The Science for a Cleaner Future: Deploying Engineered Enzymes Against Polyester Pollution" how to apply microorganism-native and/or protein-engineered enzymes to the degradation of polyester plastics. VU scientists' research focuses on lipolytic enzymes from the genus Geobacillus.
Hace 1 día · This study reports on the tribological performance of aromatic thermosetting co-polyester (ATSP) and polyether ether ketone (PEEK)-based polymer composite coatings mixed with PTFE filler. The coatings were tested across a wide temperature range from −180 to 110 °C to simulate the environmental temperatures on Titan, Moon, and Mars, which are of particular interest for NASA’s future ...
Hace 5 días · In chemical terms, polyester is a polymer composed of repeat units of a chemical compound within the ester functional group. The repeat unit of polyester is ethylene terephthalate. Most synthetic and some plant-based polyester fibers are made from ethylene, a constituent of petroleum that can also be derived from other sources ( source ).
Hace 2 días · Polyester clothes are strong, resistant, easy to clean and care for. They are also fast-drying, moisture-wicking, lightweight, stiff, and resilient with good tenacity. Polyester is a fully synthetic material so it's resistant to attacks from insects, moths, molds, fungi, and many everyday chemicals.
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