Investigation on performance of polyurethane by adding of Titanium Dioxide Nanoparticle

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MANAFI SAHEB ALI; Talaee Mehdi

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Journal Paper

Paper Information

Journal: Journal of Advanced Processes in Materials Engineering Year:2019 | Volume:12 | Issue:4 (47) Page(s): 1-16

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Information Journal Paper

Title

Investigation on performance of polyurethane by adding of Titanium Dioxide Nanoparticle

Author(s)

MANAFI SAHEB ALI | Talaee Mehdi | Issue Writer Certificate

Keywords

Titania nanoparticleQ2

dispersantQ2

polyurethaneQ1

morphologyQ2

mechanical propertiesQ2

photocatalystQ2

Abstract

Dispersion of nanotitan particles in polyurethane (PU) resin plays an important role to achievement better mechanical and physical properties. In this study nanocomposite coating was performed by incorporating nanotitania pigment with rutile and anatase phase in polyurethane to different loading level (0. 1, 0. 5, 1. 0 and 2. 0% by weight). Dispersion of nanoparticles in PU matrix was done by using ultrasonication mixing machine (2 h) and rotary mixer (3 h) and also again UT mixing machine (1 h) and finally gas removing. After addition of the appropriate amount of hardener, prepared nanocomposite coating was investigated by applying on steel and glass substrate and after 2weeks time for curing, exposing them to UV weathering, salt spray, scratch and hardness testing. The dispersion quality and surface morphology of nanocomposite coating was evaluated by using different analytical techniques. Dispersion quality of nanocomposite was investigated using optical microscopy. Dry film thickness (DFT) of samples was mostly in the range 90 μ m. Roughness after exposing of naoncomposites on UV radiation and salt spray measurement by atomic force microscopy (AFM) topography and analysis by this apparatus and mechanical behavior also by using hardness and scratch test and also by colorimetry measurements, surface degradation of PU nanocomposite coatings was characterized by color changing, defined as the color measurement, after being exposed to accelerated weathering conditions. The results revealed that addition of 0. 1 wt. % rutile phase of TiO2 nanoparticles improves the weathering performance, stability of paint’ s color, strength, hardness and viscoellastic properties, scratch and corrosion resistant of PU nanocomposite coatings. According the all result adding nanoparticle to PU improve coating lift time and also reduce maintenance and repair costs and help to decrease environment damage.

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APA: Copy

MANAFI, SAHEB ALI, & Talaee, Mehdi. (2019). Investigation on performance of polyurethane by adding of Titanium Dioxide Nanoparticle. ADVANCED PROCESSES IN MATERIALS, 12(4 (47) ), 1-16. SID. https://sid.ir/paper/172641/en

Vancouver: Copy

MANAFI SAHEB ALI, Talaee Mehdi. Investigation on performance of polyurethane by adding of Titanium Dioxide Nanoparticle. ADVANCED PROCESSES IN MATERIALS[Internet]. 2019;12(4 (47) ):1-16. Available from: https://sid.ir/paper/172641/en

IEEE: Copy

SAHEB ALI MANAFI, and Mehdi Talaee, “Investigation on performance of polyurethane by adding of Titanium Dioxide Nanoparticle,” ADVANCED PROCESSES IN MATERIALS, vol. 12, no. 4 (47) , pp. 1–16, 2019, [Online]. Available: https://sid.ir/paper/172641/en

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