Show flow Dow Rayon Is Made Rayon is la made from either cotton linteri or wood pulp The raw ma ma- material matens tens is treated with acids or other chemicals chemical to make it soluble It if is then dissolved in alcohol and ether or other suitable solvents and after purification is forced through very ver small email openings from which U it emerges as a. line fine threads These become solidified by evaporation of or the volatile solvents or by passage through a setting jetting bath There are four tour principal processes in use but this is fa a 8 generalized tion All of them are derived from the process devised and patented by bya a 8 French scientist Count Chardonnet about the th year 1689 1889 |