نتایج جستجو برای: aromatic polyesters

تعداد نتایج: 44691  

Journal: :The Journal of the Society of Chemical Industry, Japan 1960

2014
Florian Stempfle Benjamin S. Ritter Rolf Mülhaupt Stefan Mecking

Dicarboxylic acids derived from plant oils are attractive intermediates for the synthesis of polymer materials. Similar to polyethylene, the incorporation of long methylene sequences enables polymer crystallization and renders polyesters hydrophobic. Long-chain aliphatic polyesters that incorporate the full length of the plant oil methylene sequences possess high melting points (Tm > 100 °C) an...

2013
Wan-Xia Wu Hai-Yang Wang

Three linear polyesters with pendant ketoprofen were synthesized by copolymerization of polyethylene glycol (PEG) with malic acid (thiomalic acid or aspartic acid) using lipase B acrylic resin from Candida antarctica (CAL-B) at 90 °C respectively. These thermosensitive polyesters exhibit a lower critical solution temperature (LCST) at 10–12 °C. The in vitro study demonstrated that these polyest...

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