Synthesis of Aqueous Blocked Polyurethane Oligomer for Pigment Ink of Inkjet Printing
Abstract:Aqueous blocked polyurethane oligomer emulsion using as cross linking agent for pigment ink were synthesized from isophorone diisocyanate (IPDI) and polyethylene glycol (PEG), and the fixing conditions on rubbing and washing fastness were discussed. The results showed that the blocked polyurethane oligomer emulsion with small particle size and high centrifugal stability exhibited the excellent compatibility with the carbon black ink. Both rubbing and washing fastness were reached to the requirement of the customers for textiles. The optimal fixing conditions was that the amount of aqueous blocked polyurethane oligomer emulsion was 3%, and the dosage of adhesive DM-5125 was 20% and baked at 100°C for 5 minutes.
Document Type: Research Article
Publication date: January 1, 2012
For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.
Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.
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