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Magazine articles
Pulp bleaching and deinking pilot plants use chlorine-free processes, TAPPI JOURNAL, June 1997, Vol. 80(6)
Pulp bleaching and deinking pilot plants use chlorine-free processes, TAPPI JOURNAL, June 1997, Vol. 80(6)
Magazine articles
A reliable method to improve fabric life, TAPPI JOURNAL, March 1997, Vol. 80(3)
A reliable method to improve fabric life, TAPPI JOURNAL, March 1997, Vol. 80(3)
Magazine articles
Predicting boiler emissions with neural networks, TAPPI JOURNAL, May 1997, Vol. 80(5)
Predicting boiler emissions with neural networks, TAPPI JOURNAL, May 1997, Vol. 80(5)
Magazine articles
Photographic life-prediction matrix for forming fabrics, TAPPI JOURNAL, November 1997, Vol. 80(11)
Photographic life-prediction matrix for forming fabrics, TAPPI JOURNAL, November 1997, Vol. 80(11)
Magazine articles
Recycling 'low value' post-consumer fibers to improve quality and reduce costs, TAPPI JOURNAL, September 1997, Vol. 80(9)
Recycling 'low value' post-consumer fibers to improve quality and reduce costs, TAPPI JOURNAL, September 1997, Vol. 80(9)
Magazine articles
1998 international chemical recovery conference, TAPPI JOURNAL, December 1998, Vol. 81(12)
1998 international chemical recovery conference, TAPPI JOURNAL, December 1998, Vol. 81(12)
Journal articles
Magazine articles
Multifunctional starch-based barrier materials, TAPPI Journal August 2021
ABSTRACT: Natural and renewable polymer-based barrier materials play an inevitable role in a sustainable economy. Most commercially available barrier materials are either based on multiple layers of synthetic polymers or petroleum-based chemicals. Tremendous amounts of research are being done in academia and industry to replace these synthetic barrier materials with natural and environmentally friendly materials. The current work summarizes the application of starch-based materials for various barrier applications, such as water vapor, oxygen, liquid water, oil, and grease. Also, exotic starch-based barrier materials for the application of sound, ultraviolet, and thermal barrier applications are reviewed. The potential of starch-based materials to offer antimicrobial and antiviral properties is discussed. Finally, commercially available starch-based barrier materials have been summarized.
Magazine articles
Advanced controls reduce recovery boiler emissions and increase throughput at mead, escanaba, TAPPI JOURNAL, September 1992, Vol. 75(9)
Advanced controls reduce recovery boiler emissions and increase throughput at mead, escanaba, TAPPI JOURNAL, September 1992, Vol. 75(9)
Journal articles
Magazine articles
Tetraethyl orthosilicate-containing dispersion coating — water vapor and liquid water barrier properties, TAPPI Journal September 2021
ABSTRACT: An aqueous styrene-butadiene latex dispersion coating containing in-situ processed tetraethyl orthosilicate (TEOS) applied on paperboard demonstrated improved water barrier performance. Coatings containing TEOS equivalent to 0.8% silicon dioxide (SiO2; dry basis) exhibited water vapor performance of < 25 g/m2/day (23°C, 50% relative humidity [RH]) and liquid water barrier performance Cobb 1800 s of < 6 g/m2, when applied as a single-layer 18 g/m2 coating. Cobb 1800 s barrier performance was still good (< 11 g/m2) at coat weights of 7•10 g/m2. The use of filler materials such as kaolin improved the vapor barrier properties of the coating, but this was not critical to the liquid water barrier properties.
Journal articles
Magazine articles
Commercially relevant water vapor barrier properties of high amylose starch acetates: Fact or fiction?, TAPPI Journal September 2021
ABSTRACT: Starches have recently regained attention as ecofriendly barrier materials due to the increased demand for sustainable packaging. They are easily processable by conventional plastics processing equipment and have been utilized for oil and grease barrier applications. While starches have excellent oxygen barrier properties and decent water barrier properties at low relative humidity (RH), they are moisture sensitive, as demonstrated by the deterioration of the barrier properties at higher RH values. Starch esters are chemically modified starches where the hydroxyl group of the starch has been substituted by other moieties such as acetates. This imparts hydrophobicity to starches and has been claimed as a good way of retaining water vapor barrier properties of starches, even at high RH conditions. We studied the water vapor barrier properties of one class of starch esters, i.e., high amylose starch acetates that were assumed to have good water vapor barrier properties. Our investigations found that with a high degree of substitution of hydroxyl groups, the modified starches did indeed show improvements in water vapor response as compared to pure high amylose starch films; however, the barrier properties were orders of magnitude lower than commercially used water vapor barriers like polyethylene. Even though these materials had improved water vapor barrier response, high amylose starch acetates are likely unsuitable as water vapor barriers by themselves, as implied by previous literature studies and patents.