Preparation of poly(methyl methacrylate)/clay nanocomposites by microwaveassisted in-situ radical polymerization

Ji-Won Jung (정지원); Dong-Hyun Kim (김동현); Jae-Ho Jang (장재호); Jung-Taek Lee (이정택); YOOKYUNGHYEON (유경현); Seog-Young Yoon (윤석영)

doi:10.6111/JKCGCT.2019.29.1.019

Preparation of poly(methyl methacrylate)/clay nanocomposites by microwaveassisted in-situ radical polymerization

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2019, 29(1), pp.19-23
DOI : 10.6111/JKCGCT.2019.29.1.019
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering
Received : December 28, 2018
Accepted : January 23, 2019
Published : February 28, 2019

Ji-Won Jung ¹, Dong-Hyun Kim ², Jae-Ho Jang ², Jung-Taek Lee ², YOOKYUNGHYEON ¹, Seog-Young Yoon ¹

¹부산대학교
²HEBEDENT Co., Ltd

Accredited

ABSTRACT

The PMMA (polymethyl methacrylate)/clay nanocomposites were synthesized by in situ radical polymerizations with different clay contents (3 and 7 wt%) using microwave heating. The nanostructure, optical, and thermal properties of the synthesized PMMA/clay nanocomposites were measured by XRD, TEM, AFM, UV-vis, and TGA. It was found that the intercalated- or exfoliated structure of PMMA/clay nanocomposites was strongly dependent on the content of clay. Thus, the imposition of microwave-assisted polymerization facilitated a delamination process of layered silicates to achieve exfoliation state of interlayer distance. The PMMA/3 wt% C10A nanocomposite with well-dispersed and exfoliated clay nano-layers showed the good optical transparency similar to pure PMMA in this study. The thermal decomposition rates of the PMMA/clay nanocomposites become to be lower compared to that of the pure PMMA, indicating the intercalated- or exfoliated inorganic silicate has high thermal stability. A possible reason is that the thermally segmental motion of PMMA polymer into inorganic silicate interlayer spacing has increased the thermal stability of the PMMA/clay nanocomposites.

KEYWORDS

PMMA/Clay nanocomposites, Microwave, Intercalation, Exfoliation

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Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

Preparation of poly(methyl methacrylate)/clay nanocomposites by microwaveassisted in-situ radical polymerization

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Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

Preparation of poly(methyl methacrylate)/clay nanocomposites by microwaveassisted in-situ radical polymerization

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