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Abstract

Psychology and Psychotherapy: Research Study

HDI Based Poly(Urethane Methacrylate) Nanocomposites Containing NanoCaCO3: Preparation and Properties

  • Open or ClosePraveen S, Santhana Gopala Krishnan P*, Purushothaman M and Nayak SK

    Department of Plastics Technology, Central Institute of Petrochemicals Engineering and Technology (CIPET), Institute of Petrochemicals Technology (IPT), Chennai, India

    *Corresponding author:P Santhana Gopala Krishnan, Department of Plastics Technology, Central Institute of Petrochemicals Engineering and Technology (CIPET), Institute of Petrochemicals Technology (IPT), TVK Industrial Estate, Chennai, India

Submission: February 16, 2021;Published: March 23, 2021

Volume1 Issue5
March, 2021

Abstract

In situ polymerization technique was used to prepare poly(urethane methacrylate) nanocomposite sheets, using Poly(Ethylene Glycol) (PEG-400), 1,6-Hexamethylene Diisocyanate (HDI), 2-hydroxyethyl methacrylate, calcium carbonate (CaCO3) as nanofiller and Methyl Methacrylate (MMA) as reactive diluent. Fourier Transform Infrared (FT-IR) and Wide-Angle X-Ray Diffraction (WAXD) studies confirmed the incorporation of nanoCaCO3 in polymer matrix. Density of the nanocomposites exhibited loose structure of materials. Tensile and flexural strength as well as modulus, hardness and abrasion resistance of nanocomposites increased with increase in nanoCaCO3 content. But impact strength decreased with increase in nanoCaCO3 content up to 1% and there after it levels off. Scanning Electron Microscopic (SEM) images confirmed the uniform distribution of nanoCaCO3 in composites up to 2% (w/w) of nanoCaCO3. SEM images of abraded samples indicated micro ploughing occurred during wearing. All nanocomposites were found to be stable up to 200 °C and having two-step thermal degradation in nitrogen atmosphere.

Keywords: Thermoset; Preparation; Mechanical and thermal properties

Abbreviations: WAXD: Wide-Angle X-Ray Diffraction; FT-IR: Fourier Transform Infra-Red; SEM: Scanning Electron Microscopic; HDI: Hexamethylene Di Isocyanate; MMA: Methyl Meth Acrylate; PUMA: Poly Urethane Meth Acrylate

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