نتایج جستجو برای: polypropylene oxide
تعداد نتایج: 184306 فیلتر نتایج به سال:
Abstract Cysteamine functionalised reduced graphene oxide (rGO) was grafted to polypropylene-graft-maleic anhydride (PP-g-MA) and subsequently melt blended with PP. The covalent bridging of rGO PP-g-MA via the cysteamine molecule co-crystallization are routes promoting interfacial interactions between PP matrix. A rheological percolation threshold achieved for a nanofiller loading 3 wt% 5 wt%, ...
The objective of this study was to develop a stable intravenous solution of 1-mg/mL morphine sulfate in polypropylene bags for use in patient-controlled analgesia pumps for postoperative pain management. Three large-scale batches of 1-mg/mL morphine sulfate solution filled into polypropylene bags and terminally sterilized at 120 deg C for 20 minutes were used in this study. The stability of the...
چکیده ندارد.
We report the design, synthesis, morphology, phase behavior, and mechanical properties of semicrystalline, polyolefin-based block copolymers. By using living, stereoselective insertion polymerization catalysts, syndiotactic polypropylene-block-poly(ethylene-co-propylene)-block-syndiotactic polypropylene and isotactic polypropylene-block-regioirregular polypropylene-block-isotactic polypropylene...
A series of porphyrin metal(III) compounds of general formula LMX (where L = tetraphenylporphyrin, tetrakispentafluorophenylporphyrin and octaethylporphyrin, M = Al, Cr, Co, and X = Cl and OEt) has been synthesized and studied as catalysts for the ring opening polymerization of propylene oxide (PO) as well as copolymerization of PO with CO2 to produce polypropylene oxide (PPO), polypropylene ca...
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