نتایج جستجو برای: poly ethylene terephthalate
تعداد نتایج: 107075 فیلتر نتایج به سال:
Composites of hydroxyapatite and poly(ethylene terephthalate) bearing carboxylate groups were prepared by coprecipitation in water. The fracture energy the compact was four times larger after immersion water at 37 °C for 1 week.
Depolymerization behavior polyesters (poly(ethylene terephthalate) (PET) and poly(ethylene 2,6-naphthalene dicarboxylate) (PEN)) in suband supercritical water was investigated for the purpose of monomer recycling. In case of the depolymerization of PET, the yield of terephthalic acid (TPA) increased to 90 % with increasing reaction temperature up to 693 K while the maximum yield of ethylene gly...
In this study, dyeing of two regenerated polyester fibers, poly-trimethylene terephthalate (PTT) and poly-lactic acid (PLA), with natural dyes were compared with that of poly-ethylene terephthalate (PET) fiber. Lac was used as the primary natural colorant while Catechu was chosen as a natural color that can also act as a biomordant. The effects of temperature, initial pH of dye bath and dyeing ...
Inflammatory responses to implanted biomedical devices elicit a foreign body fibrotic reaction that limits device integration and performance in various biomedical applications. We examined chronic inflammatory responses to microgel conformal coatings consisting of thin films of poly(N-isopropylacrylamide) hydrogel microparticles cross-linked with poly(ethylene glycol) diacrylate deposited on p...
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