نتایج جستجو برای: anhydrides

تعداد نتایج: 2251  

Journal: :Journal of the Japanese Society of Starch Science 1988

Journal: :Polymers for Advanced Technologies 2022

We report on the synthesis of a series poly(ester-anhydride) composed following dicarboxylic acids: adipic, suberic, sebacic, dodecanedioic acids; and hydroxyalkanoic ricinoleic 12-hydroxystearic acid with control molecular weight approaching from new method in which well-defined ester monomers are first synthesized by stepwise addition acids molecules into melted acids. The key advantage this ...

2012
Harri Korhonen Anna Häyrinen

DOCTORAL DISSERTATIONS A ato-D D 10 /2 13 Bioresorbable polymers are extensively studied materials for medical applications. In this thesis, novel bioresorbable polymers, hydrophobically-modified crosslinked poly(ester anhydride) networks, were developed and characterized with the aim of obtaining suitable matrices for drug release applications. In these poly(ester anhydride) networks were comb...

Journal: :Lab on a chip 2005
Takeshi Honda Masaya Miyazaki Hiroyuki Nakamura Hideaki Maeda

We have developed a microfluidic system for polymerization of amino acid N-carboxyanhydride and compared the properties of the products with those obtained by batchwise system under various experimental conditions. It was found that the microreactor produced polymers with narrower molecular weight distribution compared with polymers obtained by the batchwise system. Also, the molecular mass of ...

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