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Journal articles
Open Access
Introducing molasses as a new additive in papermaking, TAPPI JOURNAL, August 2007

Introducing molasses as a new additive in papermaking, TAPPI JOURNAL, August 2007

Journal articles
Open Access
Spectroscopic imaging ellipsometry of wood fiber cell walls: a comparison with confocal microscopy, TAPPI JOURNAL, August 2007

Spectroscopic imaging ellipsometry of wood fiber cell walls: a comparison with confocal microscopy, TAPPI JOURNAL, August 2007

Journal articles
Open Access
A study of in-plane and z-direction strength of coating layers with varying latex content, TAPPI JOURNAL December 2007

A study of in-plane and z-direction strength of coating layers with varying latex content, TAPPI JOURNAL December 2007

Journal articles
Open Access
Blended amphoteric PAMs: Hight performance as retention aids, TAPPI JOURNAL December 2007

Blended amphoteric PAMs: Hight performance as retention aids, TAPPI JOURNAL December 2007

Journal articles
Open Access
A method for evaluating ink mileage in gravure printing, TAPPI JOURNAL December 2007

A method for evaluating ink mileage in gravure printing, TAPPI JOURNAL December 2007

Journal articles
Open Access
Upgrading OCC and Recycled Liner Pulps by Medium-Consistency Ozone Treatment, TAPPI JOURNAL, February 2007

Upgrading OCC and Recycled Liner Pulps by Medium-Consistency Ozone Treatment, TAPPI JOURNAL, February 2007

Journal articles
Magazine articles
Open Access
Lignin-based resins for kraft paper applications, TAPPI Journal November 2019

ABSTRACT: We investigated miscanthus (MS) and willow (W) lignin-furfural based resins as potential reinforce-ment agents on softwood and hardwood kraft paper. These resins might be sustainable alternatives to the commercial phenolformaldehyde (PF) resins. Phenol is a petrochemical product and formaldehyde has been classified as a carcinogen by the U.S. Environmental Protection Agency. The lignin used in this study was derived from hot water extraction (160ºC, 2 h) of MS and W biomass, and may be considered sulfur-free. These biorefinery lignins were characterized for their chemical composition and inherent properties via wet chemistry and instrumental techniques. The resin blends (MS-resin and W-resin) were characterized for their molecular weight, thermal behavior, and mechanical properties. Mechanical properties were measured by the resin’s ability to reinforce softwood and hard-wood kraft papers. The effect of adding hexamethylenetetramine (HMTA), a curing agent, to the resin was also examined. Mixtures of PF and lignin-based resins were investigated to further explore ways to reduce use of non-renewables, phenol, and carcinogenic formaldehyde. The results show that lignin-based resins have the potential to replace PF resins in kraft paper applications. For softwood paper, the highest strength was achieved using W-resin, without HMTA (2.5 times greater than PF with HMTA). For hardwood paper, MS-resin with HMTA gave the highest strength (2.3 times higher than PF with HMTA). The lignin-based resins, without HMTA, also yielded mechanical properties comparable to PF with HMTA.

Journal articles
Open Access
Purification of Peroxide-Bleached TMP Waterby Dissolved Air

Purification of Peroxide-Bleached TMP Waterby Dissolved Air Flotation, TAPPI JOURNAL, May 2006, Vol. 5(5) (395 KB)

Journal articles
Open Access
Characterizing Liquid-Vapor Phase Change Phenomena in Impuls

Characterizing Liquid-Vapor Phase Change Phenomena in Impulse Technology With Resistivity Probes, TAPPI JOURNAL, May 2006, Vol. 5(5) (280 KB)

Journal articles
Open Access
Editor's Notes: Ready for a Test Drive, TAPPI JOURNAL, Novem

Editor's Notes: Ready for a Test Drive, TAPPI JOURNAL, November, 2006

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