Relationship between Paper Properties and Fuser Oil Uptake in a High-speed Digital Xerographic Printing Fuser

Lai, Patricia; Yan, Ning; Sisler, Gordon; Song, Jay Hyok

doi:10.2352/j.imagingsci.technol.(2007)51:5(424)

Cited by 2 publications

(2 citation statements)

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“…9,10 However, as shown in this work, our data as well as those reported by Lee and co-workers 11 show that Teflon is oleophilic with a measured hexadecane contact angle of 48°. To reduce the chance of offset in Teflon fusing systems and enhance paper releasing, researchers often employ release aids, such as silicone oil 12 and wax. 13 The latter (wax) is usually incorporated into the toner formulation.…”

Section: ■ Introductionmentioning

confidence: 99%

“…Teflon has been the most popular material for fusing , because of its high thermal stability, chemical inertness and low surface energy owing to its high hydrophobicity. , However, as shown in this work, our data as well as those reported by Lee and co-workers show that Teflon is oleophilic with a measured hexadecane contact angle of 48°. To reduce the chance of offset in Teflon fusing systems and enhance paper releasing, researchers often employ release aids, such as silicone oil and wax . The latter (wax) is usually incorporated into the toner formulation. , A similar challenge is also encountered during the design of solid wax inkjet printer .…”

Section: Introductionmentioning

confidence: 99%

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Super Toner and Ink Repellent Superoleophobic Surface

Zhao

Law

2012

ACS Appl. Mater. Interfaces

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Offset of imaging material from a fuser surface to paper during fusing is highly undesirable in printing. Here the wetting and repellent characteristics of three imaging materials (a solid wax ink, a waxy polyester toner, and a polyester toner) in their molten states have been studied on three model print surfaces: a transparency (surrogate for paper), a PTFE film, and a model superoleophobic surface, with the aim of assessing their performance in fusing. The superoleophobic surface, with water and hexadecane contact angles of ∼156° and sliding angles at ∼10°, comprises 3 μm diameter pillar arrays on silicon wafer and was fabricated by photolithography followed by surface modification with a fluorosilane. The contact angles of the three imaging materials range from 40 to 79° on the transparency and the sessile drops do not slide even at 90° tilted angle, indicating that they all wet, adhere, and pin on the transparency. Although the contact angles of the three imaging materials are slightly higher (63-85°) on PTFE, the sessile drops do not slide on PTFE either. Because PTFE is widely used as a fuser surface material in combination with different waxy imaging materials commercially, we attribute the successful implementation of PTFE to the use of the wax additive. With the superoleophobic surface, there is a dramatic increase in advancing and static contact angles for all three imaging materials. The advancing and static contact angles are in the 150-168° range for waxy toner, indicative of superhigh repellency. Although the advancing and static contact angles for the polyester toner decrease slightly at 147 and 130°, respectively, the repellency is still very high. More importantly, the sessile drops of all three imaging materials are mobile upon tilting and they all have high receding contact angles. The overall results suggest that the adhesion between the superoleophobic surface and the ink and toner materials are very small relative to those with paper and PTFE. The important of high repellency and low adhesion to offset performance is discussed.

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Section: ■ Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Super Toner and Ink Repellent Superoleophobic Surface

Zhao

Law

2012

ACS Appl. Mater. Interfaces

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Toner Technology and Fusing Concepts

Tyagi

2015

Handbook of Digital Imaging

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From desktop printing at home and small offices to high speed commercial printing, toner applications and uses can be found in everyday life. Although all toner particles have to perform well in the electrophotographic system, the major requirements for toners are ultimately dictated by the end‐use application of the imaged substrate they help create. Hence, toner composition is often uniquely tailored to provide that function. In addition to a polymer binder, the composition of the toner typically includes colorant, charge control agent, and release additives. In most cases, the polymer binder is selected from styrene–acrylate or polyester resin. Both have their advantages but the toner manufacturing methods also dictate the binder choice. Toner particles are predominately manufactured by the conventional melt pulverized process but the use of chemical toners continues to increase in printers. Chemically prepared toners offer an easier way to produce smaller toner particles and allow control of toner shape to help simplify the printer design. For fixing a toner image to a substrate, heat is typically applied to fuse it to paper or other substrates. There are many different methods of fusing or fixing used, but a nip‐forming roller system is predominantly used in printers. The composition of the toner and degree of fusing determine many image qualities and print physical behaviors. Attempts are being made to make toner composition safer and environmentally responsible.

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Relationship between Paper Properties and Fuser Oil Uptake in a High-speed Digital Xerographic Printing Fuser

Cited by 2 publications

References 8 publications

Super Toner and Ink Repellent Superoleophobic Surface

Super Toner and Ink Repellent Superoleophobic Surface

Toner Technology and Fusing Concepts

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