Research Papers

Effect of Solution Content ZnO Nanoparticles on Thermal Stability of Polyvinyl Chloride

[+] Author and Article Information
Farshad Farahbod

Department of Chemistry,
Firoozabad Branch,
Islamic Azad University,
P.O. Box: 74715-117,
Firoozabad, Fars, Iran
e-mail: mf_fche@iauf.ac.ir

Narges Bagheri

e-mail: n.bagheri@iauf.ac.ir

Fereshteh Madadpour

e-mail: mostahkamjonoobco@yahoo.com
Department of Chemistry,
Firoozabad Branch,
Islamic Azad University,
Firoozabad, Fars,Iran

1Corresponding author.

Manuscript received February 23, 2013; final manuscript received July 17, 2013; published online August 21, 2013. Assoc. Editor: Roger Narayan.

J. Nanotechnol. Eng. Med 4(2), 021001 (Aug 21, 2013) (6 pages) Paper No: NANO-13-1013; doi: 10.1115/1.4025209 History: Received February 23, 2013; Revised July 17, 2013

Today's pipe made of polyvinyl chloride (PVC) is used as basic good in different industries. The thermal stability of the PVC while is filled with ZnO nanoparticles was studied in this paper. This paper show that the stability of the PVC resin mixed with ZnO nanoparticles solution and Sn was better than that of the PVC resin mixed with Sn alone. The UV (ultraviolet)–vis spectra is showed that under certain heat treatment conditions, the PVC samples without ZnO nanoparticles solution embodied relatively high content of the conjugated double bonds with the chain length of about 3–5. However, the content of the conjugated double bond with the chain length of about 6 was greatly increased when the nanoparticles was filled into the PVC resin. This work shows the ZnO nanoparticles could inhibit the thermal degradation process of PVC resin in ionic mechanism.

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Fig. 1

SEM photos of nanoparticles in two different visions (a) in the scale of 5 μm and (b) in the scale of 500 nm

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Fig. 2

Thermal decomposition time curves of different samples: treated with ZnO nanoparticles and untreated

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Fig. 3

Thermal decomposition temperature of sample in different nanoparticle composition

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Fig. 4

The relationship between UV–vis absorption wavelength and the conjugated chain length

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Fig. 5

UV–vis spectra of PVC samples without ZnO nanoparticles at different aging time: 1–30, 2–60, 3–90, 4–120, and 5–180 min

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Fig. 6

UV–vis spectra of PVC samples filled with different content of ZnO nanoparticles: 1–0, 2–1, and 3–5 wt. %

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Fig. 7

UV–vis spectra of PVC samples filled with 1 wt. % ZnO nanoparticles for different aging time: 1–30, 2–60, 3–120, and 4–180 min



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