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Journal articles
Open Access
Guest Editorial: Highlighting the role of fluid mechanics, TAPPI JOURNAL May 2015

Guest Editorial: Highlighting the role of fluid mechanics, TAPPI JOURNAL May 2015

Journal articles
Open Access
Bridging chemical dosage, mixing quality, and variability in paper sheets, TAPPI JOURNAL May 2015

Bridging chemical dosage, mixing quality, and variability in paper sheets, TAPPI JOURNAL May 2015

Journal articles
Open Access
Development of laboratory wet creping method to evaluate and control pulp quality for tissue, TAPPI JOURNAL May 2015

Development of laboratory wet creping method to evaluate and control pulp quality for tissue, TAPPI JOURNAL May 2015

Journal articles
Magazine articles
Open Access
Effects of phosphogypsum whiskers modification with calcium stearate and their impacts on properties of bleached softwood paper sheets, TAPPI Journal September 2021

ABSTRACT: By combining the structural properties and characteristics of phosphogypsum whiskers, a preliminary study on the modification of phosphogypsum whiskers and their application in papermaking was carried out. The effects of reaction temperature, reaction time, and reaction concentration on the solubility and retention of modified phosphogypsum whiskers and the effects of phosphogypsum whiskers on the physical properties of paper under different modified conditions were explored. The research results show that, after the phosphogypsum whiskers are modified with calcium stearate, a coating layer will be formed on the surface of the whiskers, which effectively reduces the solubility of the phosphogypsum whiskers. The best modification conditions are: the amount of calcium stearate relative to the absolute dry mass of the phosphogypsum whisker is 2.00%; the modification time is 30 min, and the modification temperature is 60°C. The use of modified phosphogypsum whiskers for paper filling will slightly reduce the whiteness, folding resistance, burst resistance, and tensile strength of the paper, but the tearing degree and retention of the filler will be increased to some extent.

Journal articles
Magazine articles
Open Access
The role of hornification in the deterioration mechanism of physical properties of unrefined eucalyptus fibers during paper recycling, TAPPI Journal February 2024

ABSTRACT: Physical properties of cellulosic paper deteriorate significantly during paper recycling, which hinders the sustainable development of the paper industry. This work investigates the property deterioration mechanism and the role of hornification in the recycling process of unrefined eucalyptus fibers. The results showed that during the recycling process, the hornification gradually deepened, the fiber width gradually decreased, and the physical properties of the paper also gradually decreased. After five cycles of reuse, the relative bonding area decreased by 17.6%, while the relative bonding force decreased by 1.8%. Further results indicated that the physical property deterioration of the paper was closely related to the decrease of fiber bonding area. The fiber bonding area decreased linearly with the reduction of re-swollen fiber width during paper recycling. Re-swollen fiber width was closely related to the hornification. Hornification mainly reduces the bonding area of unrefined eucalyptus fiber rather than the bonding force. The work elucidates the role of hornification in the recycling process of unrefined eucalyptus fibers and the deterioration mechanism of paper physical properties, which will be helpful to control the property deterioration of paper and achieve a longer life cycle.

Journal articles
Open Access
Standards and efficiencies for corrugated work centers, TAPPI JOURNAL, April 1994, Vol. 77(4) (1691KB)

Standards and efficiencies for corrugated work centers, TAPPI JOURNAL, April 1994, Vol. 77(4) (1691KB)

Journal articles
Open Access
The effect of boxplant operations on corrugated board edge crush test, TAPPI JOURNAL, April 1994, Vol. 77(4) (1249KB)

The effect of boxplant operations on corrugated board edge crush test, TAPPI JOURNAL, April 1994, Vol. 77(4) (1249KB)

Journal articles
Open Access
Maintenance planning and performance software for valve packing programs, TAPPI JOURNAL, August 1994, Vol. 77(8)

Maintenance planning and performance software for valve packing programs, TAPPI JOURNAL, August 1994, Vol. 77(8)

Journal articles
Open Access
The selection and maintenance of valves for the control of fugitive emissions, TAPPI JOURNAL, August 1994, Vol. 77(8)

The selection and maintenance of valves for the control of fugitive emissions, TAPPI JOURNAL, August 1994, Vol. 77(8)

Journal articles
Open Access
Application of durable-press treatment to bleached softwood kraft handsheets, TAPPI JOURNAL, August 1994, Vol. 77(8)

Application of durable-press treatment to bleached softwood kraft handsheets, TAPPI JOURNAL, August 1994, Vol. 77(8)

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