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Specialty Low Molecular Weight Polyolefins for Digital Printing Applications

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Abstract:

Low Molecular Weight Polyolefins (LMW Polyolefins) have been widely used in coatings, plastics and printing inks to provide low energy surface, abrasion/scratch resistance and release properties. Waxes, including LMW Polyolefins, are one of the key additives in digital printing such as electrophotographic printing, thermal and inkjet printing. Waxes provide release, lubrication and improve image sharpness. However, the dispersibility and stability of non-functionalized waxes with toner resins has long been a challenge. In this paper, a series of compositions consisting of polyester based resin, non-functional LMW Polyolefins (release agent/waxes) and specialty performance LMW Polyolefins have been prepared to better understand the dispersibility of LMW Polyolefins in the polyester toner resins. SEM, light microscope and DSC experimental results showed that several specialty performance LMW Polyolefins improved the dispersion of non-functional LMW Polyolefins (release wax) in the toner resins. Therefore, they can be used as compatibilizers for toner applications. They also have the potential to provide adhesion, abrasion resistance and improve gloss for electrophotographic printing, thermal and inkjet printings, as well as media coatings.

Document Type: Research Article

Publication date: 2007-01-01

More about this publication?
  • 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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