DOP
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Standard Dioctyl Phthalate (DOP)
DOP is the most common plasticizer used for producing flexible PVC. It is made by esterifying phthalic acid with 2-ethylhexanol (2-EH), which is an alcohol.
Diisononyl Phthalate (DINP)
DINP is another common phthalate plasticizer used as a substitute for DOP. It is derived from isononyl alcohol (a branched alcohol) and phthalic acid.
Di(2-ethylhexyl) Terephthalate (DOTP)
DOTP is a non-phthalate plasticizer, often considered a safer alternative to DOP due to regulatory concerns about phthalates. It is made from terephthalic acid and 2-ethylhexanol.
Di-n-butyl Phthalate (DBP)
DBP is a smaller molecule compared to DOP, typically used for more flexible applications. It is made by esterifying butanol with phthalic acid.