Development of poly(vinyl chloride)/wood composites. A literature review

被引:144
作者
Jiang, HH [1 ]
Kamdem, DP [1 ]
机构
[1] Michigan State Univ, Dept Forestry, E Lansing, MI 48824 USA
关键词
D O I
10.1002/vnl.20009
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Poly(vinyl chloride)/wood fiber (flour) composites are currently experiencing a dramatic increase in use. Most of them are used to produce window/door profiles, decking, railing, and siding by using conical counterrotating intermeshing twin-screw extruders. Heat stabilizers, processing aids, impact modifiers, lubricants, and pigments are still important for PVC/wood composite formulations. Poly[methylene-(polyphenyl isocyanate)] (PMPPIC), gamma-aminopropyltriethoxysilane, maleated polypropylene (MAPP), and copper metallic complex have proved to be effective coupling agents for this composite system. Mechanical properties of PVC/wood composites can be enhanced by combining wood with mica or glass fibers to form hybrid reinforcements. Ultraviolet light resistance and weathering dimensional stabilities of PVC/wood composites are superior to those of natural wood. Density reduction can be achieved through the microcellular foaming technique by using chemical blowing agents, such as azodicarbonamide and sodium bicarbonate, or physical blowing agents, such as carbon dioxide. (C) 2004 Society of Plastics Engineers.
引用
收藏
页码:59 / 69
页数:11
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