کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
693913 | 889909 | 2006 | 7 صفحه PDF | دانلود رایگان |
Annona squamosa- and Pongamia glabra-based polyesteramides (ASPEA and PGPEA) have been reported as corrosion protective coatings. To improve their film properties such as curing, physico-mechanical and anticorrosive properties further, post-vinylation of these resins with styrene and vinyl acetate monomer in varying ratio (4:1, 3:1 and 2:1) was carried out in the presence of free radical initiator (benzoyl peroxide). The incorporation of styrene and vinyl acetate in ASPEA/PGPEA was confirmed by FTIR and 1H NMR spectral techniques. Physico-chemical, physico-mechanical and anticorrosive properties were studied by standard methods. Thermal stability and curing behaviour of vinylated ASPEA/PGPEA was studied by thermo gravimetric analysis (TGA) and differential scanning calorimetry (DSC) techniques. It has been observed that vinylation of these resins improves the curing, physico-mechanical and anticorrosive performance of ASPEA/PGPEA films. Among all 2:1 ASPEA/PGPEA:styrene/vinyl acetate ratio exhibited best results.
Journal: Progress in Organic Coatings - Volume 56, Issue 1, 1 May 2006, Pages 1–7