Method for accelerating the vulcanizing the rubber, natural or artificial, or substances of the same type.

摘要

4263. Peachey, S. J. Feb. 19. Vulcanizing - compositions. - Para - nitrosodimethylaniline or its homologues, such as paranitroso-methylaniline or para - nitroso - ethylaniline are employed to accelerate vulcanization. In an example 100 parts of rubber are mixed with 10 parts of sulphur and 0À5 part of the accelerating - agent, the mixture being heated for 20 minutes at a temperature of 135-145‹ C.