%0 Journal Article %T Dyeing of Polyester and Nylon with Semi-synthetic Azo Dye by Chemical Modification of Natural Source Areca Nut %A Ashitosh B. Pawar %A R. V. Adivarekar %A Sandeep P. More %J Archive of "Natural Products and Bioprospecting". %D 2018 %R 10.1007/s13659-017-0144-8 %X Structures of (a) syringic acid and (b) epicatechi %K Semi-synthetic azo dye %K Chemical modification %K Modified dyes %K Areca nut %K Ultraviolet protection factor %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5803141/