Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Cationization of PET Fabrics via Continuous Photografting of [3-(Methacryloylamino)propyl]trimethylammonium Chloride

[3-(Methacryloylamino)propyl]trimethylammonium chloride의 연속식 광그라프트에 의한 PET 직물의 양이온화

  • Jang, Jin-Ho (School of Advanced Materials and System Engineering, Kumoh National Institute of Technology) ;
  • Son, Jung-A (School of Advanced Materials and System Engineering, Kumoh National Institute of Technology)
  • 장진호 (금오공과대학교 신소재시스템공학부 섬유패션공학과) ;
  • 손정아 (금오공과대학교 신소재시스템공학부 섬유패션공학과)
  • Published : 2007.12.31
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Abstract

PET fabrics were photografted under continuous UV irradiation with [3-(methacryloylarnino)propyl]trimethylammonium chloride (MAPTA) and 4-benzoylbenzyltrimethyl ammonium chloride (BTC) as a cationic monomer and a photoiniotiator, respectively. It was found that the optimal grafting was obtained when PET fabrics were irradiated with a D-bulb in a UV energy of $35\;J/cm^2$, on which were padded with an aqueous formulation of 3% photoinitiator concentration in advance. The surface of the grafted PET was characterized using FT-IR (ATR), ESCA, zeta potential measurement, water retention value (WRV). ATR and ESCA analysis, indicating significant alterations on chemical structure and atomic composition of increasing nitrogen content with increasing grafting yield. The zeta potentials changed from -4.9 mV for the untreated PET up to +16.7 mV for the grafted sample. The photografted fabrics showed an higher water absorbancy as indicated by the increased water retention value compared to the untreated PET. SEM images showed that PET surface was covered with the grafted cationic polymer.

Keywords

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