zambia professional supply rubber anti-aging agent rd
zambia professional supply rubber anti-aging agent rd
zambia professional supply rubber anti-aging agent rd
zambia professional supply rubber anti-aging agent rd
zambia professional supply rubber anti-aging agent rd
  • Which antioxidants are used in rubber vulcanization?
  • The amine and phenolic antioxidants are the most widely used rubber antioxidants (Fig. 1 b and c). Generally, the phenolic antioxidants have poor antioxidative efficiency (compared to amine antioxidants) and they can delay vulcanization, but they cause little discoloration problems.
  • Can rubber antioxidants contain rare-earth ions?
  • The recently reported rubber antioxidants containing rare-earth ions are summarized in Fig. 4, for instance, Sun et al. prepared a novel hindered phenol rare-earth complex (DTSm) (Fig. 4 f) by a simple and green method using 3,5-di-tert-butyl-4-hydroxybenzoic acid (DT) and samarium chloride hexahydrate (SmCl 3 ·6H 2 O) via coordination reaction.
  • Does a sustained release of EAB improve anti-oxidative capacity of rubber composites?
  • Moreover, the retention of EAB for SBR/Loaded HNTs is about 50% higher than for SBR/HNTs and CDs after the thermo-aging testing, demonstrating the sustained release of CDs from HNTs could enhance the anti-oxidative capacity of the rubber composites.