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Full-Text Articles in Life Sciences
Tb82: The Potential Of Softwood Thinnings And Standing Dead Softwoods As A Source Of Wood Pulp, Andrew J. Chase, Harold F. Young
Tb82: The Potential Of Softwood Thinnings And Standing Dead Softwoods As A Source Of Wood Pulp, Andrew J. Chase, Harold F. Young
Technical Bulletins
This study was made to determine the potential of softwood thinnings and standing dead softwood as a source of wood pulp, employing the kraft process. In the thinning studies examined eastern white pine, eastern hemlock, balsam fir, norway spruce, red pine, eastern larch, and northern white cedar. The stem (wood and bark) and the top (wood, bark, and needles) and the stem and top combined were pulped. When compared with pulp from a commercial-size softwood species, the thinnings provided pulps of good strength that were slightly undercooked and that had significantly lower yields. The stem portion pulps were superior in …
Tb67: Pilot Study Of The Use Of Pulpwood Chipping Residue For Producing Particleboard In Maine, Craig E. Shuler
Tb67: Pilot Study Of The Use Of Pulpwood Chipping Residue For Producing Particleboard In Maine, Craig E. Shuler
Technical Bulletins
The study was conducted at the School of Forest Resources, University of Maine at Orono, as part of an extended project on the use of northeastern species for particleboard. This particular investigation served as a means to establish a laboratory board-production system, and to gather useful information regarding a specific wood resource of the state of Maine.
Tb65: The Commercial Use Of Puckerbrush Pulp, Andrew J. Chase, Fay Hyland, Harold E. Young
Tb65: The Commercial Use Of Puckerbrush Pulp, Andrew J. Chase, Fay Hyland, Harold E. Young
Technical Bulletins
This study investigates the potential of several local puckerbrush or weed trees and shrubs as sources of fiber for papermaking. Four different pulping processes were used (sulfate, magnesium bisulfite, neutral sulfite semichemical, and cold caustic) with six puckerbrush species (alder, gray birch, red maple, pin cherry, aspen, and willow). Mixtures of puckerbrush species, and commercial chip-puckerbrush species mixtures were pulped by the sulfate process with the objective of producing a pulp that would be suitable for fine-grade papers. The results produced a good grade of bleachable pulp with adequate physical characteristics for most fine paper grades. The other three pulping …
Tb49: Puckerbrush Pulping Studies, Andrew J. Chase, Fay Hyland, Harold E. Young
Tb49: Puckerbrush Pulping Studies, Andrew J. Chase, Fay Hyland, Harold E. Young
Technical Bulletins
A study was made of the potential of weed trees and shrubs, called "puckerbrush," native to the state of Maine as a source of fiber for the paper industry. Six species—gray birch, red maple, pin cherry, aspen, alder, and willow—were used in the study. All components of each species were studied separately, including stemwood, branches, roots, and stump. In addition, two mixtures of components of each species were studied: Composite 1, a representative mixture of stem, branches, roots and stump, and Composite 2, a mixture of stem and branches.