Botswana high efficiency pvc plasticizer chemical DBS

Botswana high efficiency pvc plasticizer chemical DBS

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Botswana high efficiency pvc plasticizer chemical DBS

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Botswana high efficiency pvc plasticizer chemical DBS

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Botswana high efficiency pvc plasticizer chemical DBS

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Botswana high efficiency pvc plasticizer chemical DBS

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Botswana high efficiency pvc plasticizer chemical DBS
  • Are DBS and DHS a good plasticizer for PVC?
  • Where data was available, the results from this study are in good agreement with the experiment; we conclude that DBS and DHS are most promising green plasticizers for PVC, since they have properties comparable to DEHP but not the environmental and toxicity concerns. CC-BY 4.0. 1. Introduction
  • 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.
  • Does Dibutyl sebacate increase plasticization?
  • They found that dibutyl sebacate was the most successful at lowering T g among the sebacate-based plasticizers studied. DBS also has the longest aliphatic chains compared to the aforementioned plasticizers, suggesting that these spacer components will generate more free volume and increase plasticization.
  • Are sebacate plasticizers effective in ethyl cellulose polymer?
  • While the tensile properties of sebacate plasticizers in PVC have not been studied, Mahnaj et al. (30) studied their effectiveness in ethyl cellulose polymer. They found that dibutyl sebacate was the most successful at lowering T g among the sebacate-based plasticizers studied.
  • What is a sebacates plasticizer?
  • Sebacates plasticizers comprise of sebacates which are esters of sebacic acid. Sebacic acid is generally produced from castor oil, which is a bio based raw material. They easily adhere to other materials and can therefore be used in combination with steel, glass, metals, and other solid materials used for making inflexible plastic items.
  • Which plasticizer reduces Young's modulus of PVC?
  • The E (x) of all plasticized systems converged as the temperature reached 500 K. DBS was the only plasticizer that consistently decreased the Young’s modulus of PVC as well as or better than DEHP (Figure 4). Figure 4. Predicted Young’s modulus for systems of PVC plasticized with DEHP, DBS, DHS, DEA, and 1,4-BDB at temperatures from 150 to 500 K.