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Journal articles
Magazine articles
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.
Conference papers
Impact of Kraft Mill Chemistry on Economics: A Model-Based Approach to Optimizing Mill Profitability, 19PEERS
Impact of Kraft Mill Chemistry on Economics: A Model-Based Approach to Optimizing Mill Profitability, 19PEERS
Conference papers
Fluff Pulp Performance Improved by Alternative Pine Species, 19PEERS
Fluff Pulp Performance Improved by Alternative Pine Species, 19PEERS
Conference papers
Review of the Economics, Technologies and Products in the Non-wood Sector, 19PEERS
Review of the Economics, Technologies and Products in the Non-wood Sector, 19PEERS
Conference papers
HOW CAN I MAKE SENSE OF ALL THIS DATA?, 19PEERS
HOW CAN I MAKE SENSE OF ALL THIS DATA?, 19PEERS
Conference papers
The Role of Gas Dispersion in the Oxygen Delignification Process, 19PEERS
The Role of Gas Dispersion in the Oxygen Delignification Process, 19PEERS
Journal articles
Magazine articles
Understanding the pulping and bleaching performances of eucalyptus woods affected by physiological disturbance, TAPPI Journal November 2018
Understanding the pulping and bleaching performances of eucalyptus woods affected by physiological disturbance, TAPPI Journal November 2018
Conference papers
Implementation of the Near-Neutral Chlorine Dioxide Brightening Technology at Domtar Johnsonburg Mill, 2018 PEERS
Implementation of the Near-Neutral Chlorine Dioxide Brightening Technology at Domtar Johnsonburg Mill, 2018 PEERS
Conference papers
Fast and Accurate Online Measurement of Differentiated Lignin and HexA Kappa Numbers Leads to Improved Fiberline Control, 2018 PEERS
Fast and Accurate Online Measurement of Differentiated Lignin and HexA Kappa Numbers Leads to Improved Fiberline Control, 2018 PEERS
Conference papers
Technological Evaluation of Pinus maximinoi Wood for Industrial Use in Kraft Pulp Production, 2018 PEERS
Technological Evaluation of Pinus maximinoi Wood for Industrial Use in Kraft Pulp Production, 2018 PEERS