RT - Journal Article T1 - Unsaturated polyester hardening by CO2-Laser and analysis its chemical structure by Raman and FT-IR Spectroscopy JF - opsi YR - 2015 JO - opsi VO - 21 IS - 0 UR - http://opsi.ir/article-1-704-en.html SP - 1309 EP - 1312 K1 - unsaturated polyester K1 - cross-link K1 - Raman spectroscopy K1 - Fourier transform infrared spectroscopy (FT-IR) K1 - laser CO2. AB - Unsaturated polyester was hardened by CO2-laser. Its chemical structure before and after of hardening was studied by using of Raman and Fourier transform infrared (FT-IR) spectroscopy. The results indicated that Raman spectroscopy is much better than FT-IR spectroscopy to demonstrate the changes in chemical structure. LA eng UL http://opsi.ir/article-1-704-en.html M3 ER -