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Journal articles
Open Access
Evaluation of Various Mechanical Pulping Processes for Mature and Juvenile Loblolly Pine in Lightweight Coated Paper, TAPPI JOURNAL March 2009

Evaluation of Various Mechanical Pulping Processes for Mature and Juvenile Loblolly Pine in Lightweight Coated Paper, TAPPI JOURNAL March 2009

Journal articles
Open Access
Prediction of the Solubility of Recovery Boiler Precipitator Ash, TAPPI JOURNAL May 2009

Prediction of the Solubility of Recovery Boiler Precipitator Ash, TAPPI JOURNAL May 2009

Journal articles
Open Access
Fiber Trapping in Low-Consistency Refining: New Parameters to Describe the Refining Process, TAPPI JOURNAL October 2009

Fiber Trapping in Low-Consistency Refining: New Parameters to Describe the Refining Process, TAPPI JOURNAL October 2009

Journal articles
Open Access
Operating Costs Related to Instability in a Pulp and Paper Activated Sludge Treatment System, TAPPI JOURNAL October 2009

Operating Costs Related to Instability in a Pulp and Paper Activated Sludge Treatment System, TAPPI JOURNAL October 2009

Journal articles
Open Access
A review of gas flows in fiber suspensions, TAPPI JOURNAL, Online Exclusive, November 2003, Vol. 2(11) (775KB)

A review of gas flows in fiber suspensions, TAPPI JOURNAL, Online Exclusive, November 2003, Vol. 2(11) (775KB)

Journal articles
Open Access
An Assessment of Gasification-Based Biorefining at Kraft Pulp and Paper Mills in the United States, Part A: Background and Assumptions, TAPPI JOURNAL November 2008

An Assessment of Gasification-Based Biorefining at Kraft Pulp and Paper Mills in the United States, Part A: Background and Assumptions, TAPPI JOURNAL November 2008

Journal articles
Open Access
Improvement of the Fiber-Bonding Capacity of Unbleached Recycled Pulp by the Laccase/Mediator Treatment, TAPPI JOURNAL October 2008

Improvement of the Fiber-Bonding Capacity of Unbleached Recycled Pulp by the Laccase/Mediator Treatment, TAPPI JOURNAL October 2008

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.

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