| 摘要 |
PURPOSE:To obtain the titled fibers having improved adhesion efficiency and uniform adhesiveness, by dipping the fibers in a treating solution containing a copolymer of a polyalkylene glycol acrylate with acrylonitrile of specific composition and an alkali metallic salt of an acid, etc., and heat-treating the resultant fibers. CONSTITUTION:Acrylic fibers are dipped in a treating solution containing (A) a copolymer consisting of 60-90wt% compound expressed by the formula[R is H or methyl; R' is Cl, Br, I, OCH3, SCH3, etc.; X is random or block polyether group consisting of (OC2H5)l and (OC3H6)m; 0<=m<10; l>=10]and 10- 40wt% acrylonitrile and (B) one or more alkali metallic or ammonium salts of an acid, e.g. sulfuric, nitric, hydrochloric, formic, acetic and oxalic acid, and then heat-treated to give the aimed fibers. |
