The flaxseed oilmodifiedresin has low cost and the copper-clad panel manufactured with it has performance not lower than that of copper-clad panel manufactured with tung oilmodifiedresin.
The modified phenolic resin was synthesized by using distilled tall oil from paper industrial wastes, the reaction mechanism and the structure of resin was analyzed.
利用造纸厂纸浆废液中分离出的蒸馏妥尔油， 合成了改性酚醛树脂，并对反应机理和树脂结构进行了分析。
3
Production theory and processes of modified urea-formaldehyde resin used in oil well water shutoff and some influence on product performance resulted by main factor in the production are introduced.