Evaluation of the Effect of Zn3(C3N3O3)2. ZnO as a Thermal Stabilizer on Polyvinyl Chloride

ZAHRA FOROUTANFAR¹

Abstract :
Zinc cyanurate Zn3(C3N3O3)2. ZnO which is represented as Zn3Cy2) was synthesized by precipitation method and introduced as thermal stabilizer for PVC by gravimetric analysis (TGA), Congo red test and color change test. The thermal stability of PVC was significantly increased by adding Zn3Cy2. Compared to zinc stearate (ZnSt2), it has been observed that Zn3Cy2 can delay the burning of zinc in PVC. This is attributed to the high ability of cyanurate anions in Zn3Cy2 to absorb the hydrogen chloride released during the destruction of PVC. In addition, the mixture of Zn3Cy2 with calcium stearate in different mass ratios greatly improves the thermal stability of PVC. Excellent synergism can be observed when the CaSt2/Zn3Cy2 combination is used with some commercial auxiliary stabilizers. The addition of dibenzoyl methane (DBM) provides a significant increase in initial color for PVC containing CaSt2/Zn3Cy2, while epoxidized soybean oil can improve both initial color and long-term stability.

Keywords : poly (vinyl chloride) thermal stabilizer basic zinc cyanurate epoxidized soybean oil synergistic effect

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زبان مقاله : انگلیسی
محور مقاله : مهندسی پزشکی
محل انتشار : اولین کنگره بین المللی علوم، مهندسی و فن آوری های نو
آدرس وب سایت کنفرانس : secongress.com/1st
کد IOI مقاله : XEHE-HCFCD
لینک مستقیم مقاله : https://isnac.ir/XEHE-HCFCD
نمایش چکیده فارسی : https://isnac.ir/SA/XEHE-HCFCD

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