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Publication: Forest Products Journal
Authors: Myers G C|Crist J B
Reference ID: 36(1):37-44
Publish Year: 1986
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Title: Feasibility of Manufacturing Hardboard from Short-Rotation Intensively Cultured Populus
Description:
A hybrid poplar, Populus Tristis No. 1, grown under short-rotation intensive culture, was investigated as a possible raw material source for the manufacture of hardboard. All aboveground material was chipped, and a portion of the chips was upgraded with vacuum airlift segregation to remove some fines and bark. Debarked aspen stemwood was used as .a control. All chips were fiberized in a small pressurized single-disk refiner, and medium- and high-density hardboards were made from the pulps by both the wet-and dry-forming processes. Two resin contents were used in each type of hardboard manufactured. Hardboards were evaluated for strength properties and dimension change, and test results were analyzed statistically. Results indicate that intensively cultured Populus raw materials is suitable for manufacturing hardboards.
A hybrid poplar, Populus Tristis No. 1, grown under short-rotation intensive culture, was investigated as a possible raw material source for the manufacture of hardboard. All aboveground material was chipped, and a portion of the chips was upgraded with vacuum airlift segregation to remove some fines and bark. Debarked aspen stemwood was used as .a control. All chips were fiberized in a small pressurized single-disk refiner, and medium- and high-density hardboards were made from the pulps by both the wet-and dry-forming processes. Two resin contents were used in each type of hardboard manufactured. Hardboards were evaluated for strength properties and dimension change, and test results were analyzed statistically. Results indicate that intensively cultured Populus raw materials is suitable for manufacturing hardboards.
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