Preparation of board-like moldings from composites of isolated lignins and waste paper II : effect of inorganic salt addition on board performance and evaluation of practical use of MDF

Uraki, Yasumitsu; Nemoto, Junji; Yanaga, Kuniyoshi; Koizumi, Akio; Hirai, Takuro

Preparation of board-like moldings from composites of isolated lignins and waste paper II : effect of inorganic salt addition on board performance and evaluation of practical use of MDF

Uraki, Yasumitsu; Nemoto, Junji; Yanaga, Kuniyoshi et al.

Journal of Wood Science, 2005, 51(6), 589-594

Permalink : https://hdl.handle.net/2115/7400

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アクセス権	open access
URI	https://hdl.handle.net/2115/7400
タイトル	Preparation of board-like moldings from composites of isolated lignins and waste paper II : effect of inorganic salt addition on board performance and evaluation of practical use of MDF
著者	Uraki, Yasumitsu ; Nemoto, Junji ; Yanaga, Kuniyoshi ; Koizumi, Akio ; Hirai, Takuro
e-Rad_Researcher 90193961 著者名 Uraki, Yasumitsu 浦木, 康光
著者名 Nemoto, Junji
著者名 Yanaga, Kuniyoshi
e-Rad_Researcher 40183040 著者名 Koizumi, Akio
著者名 Hirai, Takuro
言語	英語
キーワード	Acetic acid lignin
	Waste papers
	Lignin adhesive
	Hardboard
	MDF
発行日	2005-12
出版者	Springer
収録物名	Journal of Wood Science
巻(号)	51(6)
ページ	589-594
抄録	Board-shaped composites with medium density (MDF) were prepared from isolated lignins and waste newspaper, in addition to preparation of the composites with high density (HB). The board properties of both composites concerning bending strength and water resistance were improved by the addition of hardwood acetic acid lignin (HAL). The internal bond strength and water resistance of MDF, in particular the degree of thickness swelling (TS), were also improved by prolonged molding time. Adding inorganic salts contributed to the improvement of TS. The effect depended on the charge of the cation. Considering practical utilization of lignin-based MDF as a structural material, its performance was evaluated by combination of the single-shear test of nailed joints and the modulus of rigidity. As a result, this MDF had sufficient strength to be utilized as an internal shear wall material. Therefore, lignin can be considered as an alternative to conventional adhesives for the production of boards such as HB and MDF.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	The original publication is available at www.springerlink.com
PISSN	1435-0211
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1007/s10086-004-0695-2