CONTRIBUTION OF EPOXIDIZED SOYBEAN OIL IN PVC
It is better to replace DOP with ESBO, as there is no antiplasticization. Besides, for every Phr of DOP the VST is reduced by 3.5 deg C per Phr as against 1.5 deg C for ESBO. It is always...
Research and Reviews: Journal of Engineering and Technology
to those of DOP p conclusion that BE can be used as a co ESBO upto wt. 65% to replace DOP. ABSTRACT Studies showed that phthalate plasticizers are carciogenic. The concerns raised about toxicity led to a large demand of producing non- toxic and bio- based plasticizers. Currently, ESBO can only replace 30% DOP in the PVC formulations.
Bio- Based Co- Plasticizer for PVC in Addition with
The structure of the BE was confirmed by 1H NMR, FTIR, acid value, hydroxyl value. The modified plasticizer was used as plasticizer in PVC in different proportions for the replacement of DOP in samples prepared from PVC- DOP- ESBO combination, keeping ESBO proportion constant in all samples.
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- Can epoxidized soybean oil be used as a plasticizer for PVC?
- This study showed that epoxidized soybean oil (ESBO) could be used as a primary plasticizer for PVC. They can be used to replace DOP up to 100%. Epoxidized soybean oil indicated the excellent properties as a co-stabilizer for PVC when used in combination with the Ca/Zn stearates.
- Does dibenzoylmethane stabilize epoxidized soybean oil (ESBO) Plasticized PVC?
- The present work focuses on the development of different epoxidized soybean oil (ESBO) plasticized PVC formulations in the presence of calcium/zinc stearates and beta-diketone stabilizer such as dibenzoylmethane (DBM). The DBM which has dual property of a UV stabilizer and heat stabilizer was varied from 0 to 10 phr.
- What is the FTIR spectra of ESBO Plasticized PVC formulations?
- FTIR spectra of ESBO (20 phr) plasticized unfilled and fly ash (20 phr) filled PVC formulations after 100 h exposed to the accelerated QUV weathering condition in the presence of zinc and calcium stearates and in the presence of DBM (1.5–10 phr) are shown in Fig. 9 a–b, respectively.
- What determines the efficiency of ESBO?
- The efficiency of ESBO is decided by the number of epoxy groups in the molecule, as the formation chlorohydrins due to the facile reaction of HCl with epoxy groups which results in the reduction of the autocatalytic effect of HCl.
