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Upon the increasing plasticizer content, tensile strengths of PVC films decreased. The tensile strengths of PVC films containing DOTP or TOTM are higher than those of PVC films containing other plasticizers at all three levels. The maximum tensile strengths of 16 ± 0.6 MPa and 16 ± 0.06 MPa were obtained with DOTP or TOTM at 40 phr.

DOTP oil is generally recognized as the safest environmental emollient that is less dangerous to humans and the environment than most orthophthalic emollients. DOTP oil is used in extrusion, rolling, injection molding, rotary casting, sloping casting, semi-molten casting and in the production of coatings.

PVC Plasticizers can also have effects on resistance to chemical attack extraction, good sub-zero temperature properties, electrical properties, lubrication properties during processing, etc. It is important to use the grade that best suits your final product and your production process. PVC plasticizer: DOTP versus DOP

Table I. Performance of plasticizers compounded to a standard modulus (0.5-mm film). Study 2 took a different approach, holding the amount of plasticizer in the compound constant for all plasticizer types and allowing the hardness and modulus to vary. 2 The ingredients were mixed and then placed on a two-roll mill for 5 to10 minutes at 163°–171°C.

Download scientific diagram | Thermal and mechanical properties of PVC-DA-2n and PVC-DOTP. from publication: Role of the Oxethyl Unit in the Structure of Vegetable Oil-Based Plasticizer for PVC