Abstract
A series of acrylate-based coating agents with high ink-absorption and fast drying properties (MBAH) were achieved by emulsion copolymerization with methyl methacrylate (MMA), butyl acrylate (BA), allyl polyethylene glycol (APEG) and hydroxyethyl methacrylate (HEMA). The effect of hydrophilic APEG dose on MBAH performances was discussed and analyzed emphatically. Then the chemical structure and particle morphology of MBAH emulsion were characterized by Fourier transform infrared spectroscopy (FT-IR) and transmission electron microscopy (TEM), respectively. The results of Brurauer-Emmerr-Teller (BET) test revealed the existence of abundant micropores and mesoporous structures in MBAH film. Afterwards, MBAH as a finishing agent was coated on polyester fabric. The ink-absorption performances of MBAH on polyester fabrics were comprehensively characterized by ink-drying time, K/S value and ink-absorption rate, which indicated that when the APEG dose was 7 wt% of the total monomers, MBAH exhibited excellent ink-absorption property. The ink-drying times and K/S values of three color inks (Red, Blue and Black) on MBAH coated fabrics were 6 s, 7 s, 9 s, and 8.5, 10.9, 19.8, respectively and the ink-absorption rate of Black ink on MBAH coated polyester fabric was 53.2% at 24 h, suggesting that MBAH was far better than the traditional ink-absorption agent.
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