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Structure Buildup in Hyperbranched Polymers from 2,2-Bis(hydroxymethyl)propionic Acid

✍ Scribed by Magnusson, Heléne; Malmström, Eva; Hult, Anders


Book ID
118027261
Publisher
American Chemical Society
Year
2000
Tongue
English
Weight
130 KB
Volume
33
Category
Article
ISSN
0024-9297

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✍ Eva Malmström; Mats Johansson; Anders Hult 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 563 KB

## Abstract A hyperbranched hydroxyfunctional polyester based on 2,2‐bis(hydroxymethyl)propionic acid as AB~2~‐monomer and a tetrafunctional polyol as core was end‐capped with five different alkylacyl chlorides. Alkyl chain lengths ranging from three to sixteen carbons were used. Short alkyl chains

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## Abstract The product distribution in the synthesis of acidic hydroxypolyesters from a 6/1 mol ratio of caprolactone and 2,2′‐bis(hydroxymethyl)propionic acid (DMPA) changes with reaction time and temperature. ^13^C‐nuclear magnetic resonance (NMR) signals were identified that are specific for al