Process for improving the resistance of polymers of olefin the deterioration of its physical properties by exposure to heat and stabilizing polymers of olefin composition and used in the sameThe composition of olefin polymer and its

摘要

1,187,189. Aminophenyl sulphides. NATIONAL DISTILLERS & CHEMICAL CORP. 4 Nov., 1968 [27 Dec., 1967], No. 52138/68. Heading C2C. [Also in Division C3] Bis - (p - dialkylaminophenyl) - sulphides may be prepared by reacting N,N-dialkylanilines with sulphur dichloride in an organic solvent. Examples describe the preparation of the diethyl- and dimethyl-compounds by reacting (I) N,N-diethylaniline and (II) N,N- dimethylaniline with sulphur dichloride in hexane.