FT-IR STUDIES OF THE POLYMERIC BINDER BioCo1 WITH MODIFIED BIOPOLYMER – PART I
DOI:
https://doi.org/10.7494/mafe.2014.40.2.63Keywords:
polymeric composition, polymeric binder, moulding sands, FT-IRAbstract
The paper presents structural studies of polymeric water soluble compositions consisting of acrylic derivatives/modified biopolymer. The research FT-IR was focused on novel polymer composition poly(acrylic acid)/modified starch (PAA/CMS) designed for application in the foundry industry - a novel group of polymeric BioCo binders. It was found, that the structure changes occur within groups: carboxyl present in poly(acrylic acid) and carboxyl and hydroxyl groups contained in carboxymethyl starch (vibrations: νs-C=O, νs-COO- and δ-C-O-H).
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