good stability The DEHP/Plasticizer Test

  • good stability The DEHP/Plasticizer Test
  • good stability The DEHP/Plasticizer Test
  • good stability The DEHP/Plasticizer Test
  • Is DEHP a plasticizer?
  • DEHP had been used as a general-purpose plasticizer for all consumer products, including toys, food contact material, cosmetics, medical devices and household products. In 2008, it was classified as hazardous in Europe 18 and the USA, and was replaced by higher molecular weight phthalates (DINP and DIDP) as general-purpose plasticizers.
  • Can bio-based plasticizers compete with DEHP in PVC?
  • Potential alternatives to DEHP in PVC include diheptyl succinate (DHS), diethyl adipate (DEA), 1,4-butanediol dibenzoate (1,4-BDB), and dibutyl sebacate (DBS). To examine whether that these bio-based plasticizers can compete with DEHP, we need to compare their tensile, mechanical, and diffusional properties.
  • Can DBS replace DEHP as a plasticizer?
  • Furthermore, both DBS and DHS have been shown to be nontoxic while DHS is biodegradable and can be sourced from renewable feedstock. This leads us to conclude that DHS and DBS are excellent candidates for replacing DEHP as a plasticizer.
  • Which plasticizer is the most stable?
  • TOTM appears to be the most stable plasticizer in short-term and long-term thermal stability studies (Fig. 2) . Fig. 2. Weight loss of traditional plasticizers (including TOTM) and ionic liquids during long-term stability of 20 wt% plasticized samples at 100 °C (from Rahman et al. ).
  • Is di-2-ethylhexyl phthalate a good plasticizer?
  • The inclusion of di-2-ethylhexyl phthalate (DEHP) as plasticizer in polyvinyl chloride (PVC) infusion tubing and blood storage devices is often touted as unavoidable due to its capability of imparting flexibility and durability as well as providing relatively good blood stability 1.
  • Does DEHP lower the Tg of PVC?
  • We showed that DEHP lowers the Tg of PVC by almost 100 K, from between 350 and 400 K to between 250 and 300 K. DBS and DHS were the only other plasticizers able to lower the Tg to such an extent.

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