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Journal articles
Open Access
Biological destruction of haps for cluster rule compliance, TAPPI JOURNAL, December 2000, Vol. 83(12)

Biological destruction of haps for cluster rule compliance, TAPPI JOURNAL, December 2000, Vol. 83(12)

Journal articles
Open Access
Calcium in pulping and bleaching, TAPPI JOURNAL, December 2000, Vol. 83(12)

Calcium in pulping and bleaching, TAPPI JOURNAL, December 2000, Vol. 83(12)

Journal articles
Open Access
Deinking of newspaper assisted by steam explosion, TAPPI JOURNAL, December 2000, Vol. 83(12)

Deinking of newspaper assisted by steam explosion, TAPPI JOURNAL, December 2000, Vol. 83(12)

Journal articles
Subscription Access
Energy marketing offered as new cost-control option, TAPPI JOURNAL, January 1998, Vol. 81(1)

Energy marketing offered as new cost-control option, TAPPI JOURNAL, January 1998, Vol. 81(1)

Journal articles
Subscription Access
Industry characteristics and investment decisions: an alternative approach to pulp and paper production, TAPPI JOURNAL, January 1998, Vol. 81(1)

Industry characteristics and investment decisions: an alternative approach to pulp and paper production, TAPPI JOURNAL, January 1998, Vol. 81(1)

Journal articles
Subscription Access
On management: Does the pulp and paper industry have to lose the race?, TAPPI JOURNAL, January 1998, Vol. 81(1)

On management: does the pulp and paper industry have to lose the race?, TAPPI JOURNAL, January 1998, Vol. 81(1)

Journal articles
Subscription Access
Third-party financing of pulp and paper mill steam, power, and utility sssets, TAPPI JOURNAL, January 1998, Vol. 81(1)

Third-party financing of pulp and paper mill steam, power, and utility sssets, TAPPI JOURNAL, January 1998, Vol. 81(1)

Journal articles
Magazine articles
TAPPI Journal Summaries, Paper360º January/February 2020

TAPPI Journal Summaries, Paper360º January/February 2020

Journal articles
Magazine articles
Open Access
Viscoelastic web curl due to storage in wound rolls, TAPPI Journal July 2020

ABSTRACT: Winding is often the final operation in a roll-to-roll manufacturing process. Web materials, i.e., materials that are thin compared to their length, are wound into rolls because this form is the only practical means to store them. The resulting bending strains and associated stresses are large for thick webs and laminates. As many webs are viscoelastic on some time scale, bending stresses lead to creep and inhomogeneous changes in length. When the web material is unwound and cut into discrete samples, a residual curvature remains. This curvature, called curl, is the inability for the web to lie flat at no tension. Curl is an undesirable web defect that causes loss of productivity in a subsequent web process. This paper describes the development and implementation of modeling and experimental tools to explore and mitigate curl in homogenous webs. Two theoretical and numerical methods that allow the prediction of curl in a web are developed: a winding software based on bending recovery theory, and the implementation of dynamic simula-tions of winding. One experimental method is developed that directly measures the curl online by taking advantage of the anticlastic bending resulting from the curl. These methods are demonstrated for a low-density polyethylene web.

Journal articles
Magazine articles
TAPPI Journal Summaries, Paper360º July/August 2020

TAPPI Journal Summaries, Paper360º July/August 2020

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