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Magazine articles
Open Access
Beauty or the beast: life after iso 9000, TAPPI JOURNAL, October 1994, Vol. 77(10)

Beauty or the beast: life after iso 9000, TAPPI JOURNAL, October 1994, Vol. 77(10)

Magazine articles
Open Access
'Advancing through cooperation' in printing and graphic arts, TAPPI JOURNAL, May 1995, Vol. 78(5)

'Advancing through cooperation' in printing and graphic arts, TAPPI JOURNAL, May 1995, Vol. 78(5)

Magazine articles
Open Access
Promoting safety in the workplace, TAPPI JOURNAL, November 1995, Vol. 78(11)

Promoting safety in the workplace, TAPPI JOURNAL, November 1995, Vol. 78(11)

Magazine articles
Open Access
1990 Papermakers conference draws 1040 registrants to hear presentations about all aspects of papermaking, TAPPI JOURNAL, July 1990, Vol. 73(7)

1990 Papermakers conference draws 1040 registrants to hear presentations about all aspects of papermaking, TAPPI JOURNAL, July 1990, Vol. 73(7)

Magazine articles
Open Access
Alkaline advance helps liquid packaging board meet rigorous specifications, TAPPI JOURNAL, April 1991, Vol. 74(4)

Alkaline advance helps liquid packaging board meet rigorous specifications, TAPPI JOURNAL, April 1991, Vol. 74(4)

Magazine articles
Subscription Access
Retention strategies for alkaline fine papermaking with secondary fiber: a case history, TAPPI JOURNAL, April 1991, Vol. 74(4)

Retention strategies for alkaline fine papermaking with secondary fiber: a case history, TAPPI JOURNAL, April 1991, Vol. 74(4)

Magazine articles
Open Access
Emerging pulping and chlorine-free bleaching technologies: in search of the ideal pulp mill, TAPPI JOURNAL, July 1991, Vol. 74(7)

Emerging pulping and chlorine-free bleaching technologies: in search of the ideal pulp mill, TAPPI JOURNAL, July 1991, Vol. 74(7)

Journal articles
Magazine articles
Open Access
Editorial: Celebrating an industry giant: Dr. Peter W. Hart, TAPPI Journal April 2024

ABSTRACT: On February 19, 1915, at the annual meeting of the American Paper and Pulp Association held at the Waldorf-Astoria Hotel in New York, a group of 35 people formed a new division called the “Technical Section of the American Paper and Pulp Association” with the objectives to: (1) stimulate interest in the science of pulp and papermaking; (2) provide means for the inter-change of ideas among its members; and (3) encourage original investigation. At that meeting, Professor Ralph H. McKee of the University of Maine (1909-1916) spoke. Professor McKee had initiated the first college course in Pulp and Paper in the United States. In his remarks he stated:

Journal articles
Magazine articles
Open Access
Effects of tissue additives on copy paper forming and properties, TAPPI Journal February 2024

ABSTRACT: Laboratory tests were conducted in an effort to determine the effects on paper machine process attributes and the properties of paper made from recycled copy paper furnish upon the addition of chemical agents that are commonly used in the production of hygiene tissue products. Due to continuing growth in tissue and towel grades of paper, such agents are experiencing greater usage. Charge titration test results revealed that certain dry strength agents associated with tissue manufacturing have the potential to shift the balance of charge in papermaking furnish to less negative or even positive values. Creping adhesive was found to contribute to fine particle retention, especially when present at relatively high levels. Release aid and a polyacrylate dispersant had the opposite effect. Low addition levels of both a creping adhesive and a debonding agent surprisingly increased a wide range of strength attributes of paper handsheets in comparison to sheets prepared from unaltered recycled copy paper furnish. The debonding agent decreased paper strength at higher levels of addition. Such effects appear to depend not only on the expected effects of agents themselves, but also on how they affect the charge balance of the wet-end system.

Journal articles
Magazine articles
Open Access
Quantification of hardwood black liquor contamination in pine black liquor, TAPPI Journal February 2024

ABSTRACT: The presence of hardwood black liquor contamination in pine black liquor can negatively impact brownstock washer and evaporator operation, as well as reduce soap separation and yield. It is also believed to negatively impact commercial kraft lignin production. It was desired to develop a method of quantitatively determining the amount of low-level hardwood liquor contamination in pine black liquor. A method employing pyrolysis-gas chromatography mass spectrometry (py-GCMS) was developed to perform the desired measurement. Laboratory cooks with carefully controlled blends of pine and hardwood chips were prepared, and the resulting liquor was measured using this technique. Additionally, samples of pine and hardwood black liquors were blended in known quantities and analyzed. All these samples were submitted as blind samples. The resulting analysis suggests the py-GCMS method was able to accurately determine the level of hardwood contamination between 1% to 10% hardwood liquor using a low-level calibration curve prepared with coniferyl alcohol and sinapyl alcohol as standards.