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- W2363938462 abstract "Maleopimaric acid(MPA) was synthesized from Pinus massoniana Lamb rosin and maleic anhydride.A hyperbranched polyester(RHBPE) was synthesized based on one-pot esterification between maleopimaric acid and glycidol.The RHBPE was characterized by FT-IR,GPC and 1 H NMR.FT-IR analysis indicated that MPA reacted completely with glycidol,and RHBPE contained large number of ester and hydroxyl groups.GPC analysis indicated that the largest molecular weight of RHBPE is 5 170,number average molecular weight Mn is 2 547,and weight average molecular weight Mw is 2 670.DB was determined as 0.54 by 1 H NMR proton integrating process.Dissolution experiment and TG analysis indicated that RHBPE had good solubility and thermal stability.RHBPE was modified with acryloyl chloride to give a modified rosin-based hyperbranched polymers(VRHBP) which contained terminal vinyl group.FT-IR and 1 H NMR spectra indicated that the terminal hydroxyl groups of RHBPE have been partially changed into terminal vinyl groups,i.e.75 % of modification degree of RHBPE." @default.
- W2363938462 created "2016-06-24" @default.
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- W2363938462 date "2013-01-01" @default.
- W2363938462 modified "2023-09-26" @default.
- W2363938462 title "Synthesis and Terminal Modification of Rosin Based Hyperbranched Polyester" @default.
- W2363938462 hasPublicationYear "2013" @default.
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