METHOD FOR RECOVERING THE COMPONENTS OF A COAGULATION BATH USED IN THE SPINNING OF POLYVINYL CHLORIDE

• Main Authors: PAOLO MELACINI, SILVIO TREVISI
• Format: Patent
• Language: English
• Published: 22.04.1969
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS; CHEMISTRY; METALLURGY; NATURAL OR ARTIFICIAL THREADS OR FIBRES; ORGANIC CHEMISTRY; SPINNING; TEXTILES

1,126,501. Recovering cyclohexanone. A.C.S.A. APPLICAZIONI CHIMICHE S.p.A. 21 Jan., 1966 [27 Jan., 1965], No. 2916/66. Heading C2C. [Also in Division B5] Cyclohexanone is recovered from a coagulation bath (used for wet-spining P.V.C.), by distilling the bath to leave an aq. emulsion and separating o...