syria customized packing rubber anti-aging agent tmq/rd
syria customized packing rubber anti-aging agent tmq/rd
syria customized packing rubber anti-aging agent tmq/rd
syria customized packing rubber anti-aging agent tmq/rd
syria customized packing rubber anti-aging agent tmq/rd
  • What causes oxidative aging of rubber?
  • Various external factors, including oxidative agents (such as oxygen), heavy metals, UV rays, ozone, mechanical stress, heat, and aggressive chemicals, etc., could accelerate rubber aging. This review mainly focused on thermo-oxidative aging because it is the most common aging type for rubbers.
  • What are the future trends of rubber antioxidants?
  • The perspectives on the future trends of rubber antioxidants have been presented. Elastomers, especially diene-rubbers containing unsaturated double carbon bonds in the main chains, are vulnerable to thermal/oxygen aging, which would make the elastomers less elastic and result in earlier failure of the elastomer products.
  • Is dtsm anti-thermo-oxidative aging mechanism possible?
  • The possible anti-thermo-oxidative aging mechanism of DTSm was shown as follows (Fig. 4 k), during the thermo-oxidative process, the hindered phenol groups in DTSm could provide its protons to combine with the R· and ROO· radicals to form stable compounds.
  • Can hydroxytoluene stop the autocatalytic aging reaction of rubber?
  • For instance, as shown in Fig. 1 b, butylated hydroxytoluene (BHT) could donate a hydrogen atom and convert peroxy radical to hydroperoxide, and therefore it could stop the autocatalytic aging reaction of rubber by blocking the propagation of peroxy radicals (Fig. 1 b), each BHT consumes two peroxy radicals. 3.