37243-36-0 39310-73-1 Acrylonitrile-cellulose copolymer Acrylonitrile-cellulose copolymers Acrylonitrile-cellulose graft copolymer Acrylonitrile-cellulose polymer Cellulose, polymer with 2-propenenitrile Cellulose-polyacrylonitrile copolymer Cellulose-polyacrylonitrile graft copolymer Fiber A HSDB 2927 Orlon (trademark) POLYACRYLONITRILE