Textile Coloration and Finishing (한국염색가공학회지)

The Korean Society of Dyers and Finishers (한국염색가공학회)
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Improved Thermal Stability of PET Fabrics by Photografting of Methacryloxypropyltrimethoxysilane(MAPTMS)

Methacryloxypropyltrimethoxysilane(MAPTMS)의 광그라프트에 의한 PET직물의 열적 안정성 향상

  • Jang, Jin-Ho (Dept. of Nano-Bio Textile Engineering, Kumoh National Institute of Technology) ;
  • Son, Jung-A (Woongjin Chemical Co., Ltd)
  • 장진호 (금오공과대학교 나노바이오텍스타일공학과) ;
  • 손정아 (웅진케미칼(주))
  • Published : 2008.08.27
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Abstract

Methacryloxypropyl trimethoxysilane (MAPTMS), a hybrid organic-inorganic monomer, was photografted onto PET fabric using benzophenone (BP) as a photoinitiator. It was found that a UV energy of 43.2J/$cm^2$ was required to optimally photograft the MAPTMS onto PET fabrics which was applied with an aqueous formulation of 10% MAPTMS, 20% BP and 0.5% N-Methyldiethanol amine (MDEA). The MDEA additive was efficient in reducing atmospheric oxygen inhibition of polymer radicals which eliminated compulsory nitrogen inerting. The surface grafting of PET fabrics was verified by fourier transform infrared spectroscopy (FT-IR) and scanning electron spectroscopy (SEM). The grafted PET fabrics with the hybrid monomer showed higher thermal stability due to the introduced silane component in the monomer as ascertained by higher char content at 800$^{\circ}C$, which increased to 14.5% for the 15.8% grafting compared to 8.2% for the untreated.

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References

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  1. Reactive Dyeing of Photografted para-Aramid Fabrics vol.23, pp.3, 2011, https://doi.org/10.5764/TCF.2011.23.3.155