zhangxiaosan Legenda soseske
Pridružen/-a: 27.09. 2016, 06:54 Prispevkov: 1069
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Objavljeno: 16 Jan 2017 06:04 Naslov sporočila: New progress of processing technology of wood - plastic comp |
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<p> Wood-plastic composite material is a mixture of plastic raw material and plant fiber in a certain proportion. It has the advantages of wood and plastic, has similar appearance and secondary processing ability, low hygroscopicity, corrosion resistance and pest resistance. , Less maintenance, outdoor applications of wood, plastic or metal materials, a good alternative.</p>
<p>Wood-plastic composite material forming methods are extrusion molding, injection molding and hot forming. Extrusion method because of short processing cycle, high efficiency, widely used. The wood powder filler compounded into structural profiles is currently more active in the extrusion industry issues. Extrusion process has one step extrusion method and multi-step extrusion molding method. In actual production, if the woody material with high water content or product structure is complex, commonly used multi-step extrusion molding, but because of its many steps, the production cost is high.</p>
<p>In recent years, progress in wood-plastic composites and processing technology mainly include: wood-plastic composite interface to improve adhesion and uniformity; more beautiful wood texture appearance; more difficult to fade the color; to improve rigidity And durability; and foamed articles for reduced weight and cost to improve final properties.</p>
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