france factory sale rubber additives antioxidant rd
france factory sale rubber additives antioxidant rd
france factory sale rubber additives antioxidant rd
france factory sale rubber additives antioxidant rd
france factory sale rubber additives antioxidant rd
  • How do antioxidants protect rubber products?
  • Antioxidants protect rubber products from the harmful effects of oxygen and ozone. Accelerators facilitate the crosslinking of rubber, noticeably reducing vulcanization times. The DBD-Renacit ® product line also supports and facilitates production in rubber processing.
  • How can Antioxidants improve the antioxidative capacity of the rubber matrix?
  • Generally speaking, as shown in Figs. 2 and 3, there are two main strategies to improve the antioxidant's antioxidative capability for the rubber matrix: (i) using two or more antioxidants together, and (ii) molecular design of antioxidants. Fig. 2.
  • Are rubber antioxidants a rational design?
  • The development of medical antioxidants also inspires the rational design of rubber antioxidants. Recently, Sun, et al. synthesized a novel antioxidant (APPT) containing aromatic amine, thiourea and allyl groups by the reaction between N-phenyl-p-phenylenediamine and allyl isothiocyanate (Fig. 3 b) .
  • 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.

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