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Synthesis and characterization of acrylated Parkia biglobosa medium oil alkyds

Author(s): E.T. Akintayo

Journal: Bulletin of the Chemical Society of Ethiopia
ISSN 1011-3924

Volume: 18;
Issue: 2;
Start page: 167;
Date: 2004;
Original page

Keywords: Parkia biglobosa | Medium oil alkyd | Acrylated resins | Alkyd resins

Acrylated Parkia biglobosa medium oil alkyd prepared by the reaction between an acid containing acrylic copolymer and a monoglyceride followed by the addition of polyol and dibasic acid has been investigated for improved properties. The results revealed that acid functional acrylic copolymers containing maleic anhydride as a functional co-monomer can successfully be used to modify alkyd resins yielding acrylated resins with better drying, flexibility, scratch hardness, impact resistance and chemical resistance properties. However there exist optimum levels for modification of alkyds with such copolymers beyond which certain film properties are adversely affected.
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