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The excess of plasticizer in the plastisol with 50 wt% of ESBO could be confirmed in Fig. 5 since the two characteristic endothermic peaks were clearly distinguished. As indicated, this excess in the plasticizer concentration affected the high initial degradation temperature obtained by TGA for this sample.

ESBO is one of the additives in the PVC gasket. It serves as a plasticizer and a scavenger for hydrochloric acid released when the PVC degrades thermally, e.g. when the gasket is applied to the lid and food product undergoes sterilization. [5] ESBO is also used in PVC cling films for wrapping foods and toys. Safety [ edit] Food [ edit]

Epoxidized vegetable oils (ESBO) originating from soybean oil, is known as secondary plasticizer and a secondary stabilizer in PVC. It showed limited compatibility with PVC and low plasticization efficiency, due to the unreacted double bonds and hydroxide groups formed during the epoxidation [ 37 , 38 ].

The use of epoxidised soybean oil (ESBO) as secondary plasticizer and secondary stabilizer in PVC has been long known. The level of addition is typically 1–5 ph. During the 1950s and 1960s, ESBO was tested as primary plasticizer at higher levels of addition, around 50 ph, but with contradictory results.

Introduction. PAYOXY (Epoxidized Soybean Oil - ESBO) is a soya bean oil-based light coloured secondary plasticizer, manufactured through the process of epoxidation. The epoxide group is more reactive due to double bonds, thus making it a good hydrochloric acid scavenger and plasticizer.It is a bio-degradable, renewable replacement and cost