Liquefaction of kenaf (Hibiscus cannabinus L.) core for wood laminating adhesive

被引：40
|
作者：
Juhaida, M. F. [2 ]
Paridah, M. T. [1 ]
Hilmi, M. Mohd. [5 ]
Sarani, Z. [4 ]
Jalaluddin, H. [1 ]
Zaki, A. R. Mohamad [3 ]
机构：
[1] Univ Putra Malaysia, Inst Trop Forestry & Forest Prod, Serdang 43400, Selangor, Malaysia
[2] Univ Putra Malaysia, Fac Forestry, Serdang 43400, Selangor, Malaysia
[3] Univ Putra Malaysia, Fac Sci, Serdang 43400, Selangor, Malaysia
[4] Univ Kebangsaan Malaysia, Fac Sci & Technol, Mat Sci Programme, Bangi 43600, Selangor, Malaysia
[5] Agensi Nuklear Malaysia, Kajang 43000, Selangor, Malaysia
来源：
BIORESOURCE TECHNOLOGY | 2010年 / 101卷 / 04期
关键词：
Liquefaction; Polyurethane; Kenaf core; Wood laminating adhesive; LIQUEFIED WOOD;
D O I：
10.1016/j.biortech.2009.09.048
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
A study was carried out to produce polyurethane (PU) as a wood laminating adhesive from liquefied kenaf core (LKC) polyols by reacting it with toluene-2,4-diisocyanate (TDI) and 1,4-butanediol (BDO). The LKC polyurethane (LKCPU) adhesive has a molecular weight (MW) of 2666, viscosity of 5370 mPa s, and solids content of 86.9%. The average shear strength of the rubberwood (RW) bonded with LKCPU adhesive was 2.9 MPa. Most of the sheared specimens experienced a total adhesive failure. The formation of air bubbles through the liberation of carbon dioxide was observed to reduce the adhesive penetration and bonding strength which was obviously seen on the sheared specimens. The percentage of catalyst used can be varied based on the usage and working time needed. Nonetheless, the physical properties of LKCPU produced in this work had shown good potential as edge-bonding adhesive. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1355 / 1360
页数：6
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