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Utilization of glass Fiber-Reinforced Polyster Laminate Wastes

机译:玻璃纤维增​​强聚酯层压板废物的利用

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Glass fiber-reinforced polyester resin wastes were extracted with methylene chloride (Figs. 1,2) to yield a comminuted fibrous filler (congt. 70-80 wt.% of glass fibers) and a resin powder. The filler and the powder were re-used as fillers in thermoplastic polymers (PP, Tables 3,4; polyamide, Table 5), thermosetting phenol molding compounds (Table 6), epoxy resins (Tables 7,9), and polyester resins (Tables 8,10). The fibrous filler reclaimed, when used in each polymer examined as a partail or a 100% substitute to replace mineral fillers, glass fibers or wood flour (in phienol molding compounds), was found not to deteriorate, and sometimes even to enhance, the mechanical properties of the polymers. The resin powder was found useful for partially or totally repalcing mineral fillers in thermoplastic polymers with their fundamental functional (service) properties remaining unaffected, and also in putties containing poilyester or epoxide reins.
机译:用二氯甲烷萃取玻璃纤维增​​强的聚酯树脂废料(图1,2),得到粉碎的纤维填料(占玻璃纤维的70-80 wt。%)和树脂粉末。填料和粉末在热塑性聚合物(PP,表3,4;聚酰胺,表5),热固性酚醛模塑料(表6),环氧树脂(表7,9)和聚酯树脂(表4)中用作填料。表8,10)。回收的纤维填料在用于每种聚合物中时,可以用作矿物混合物,玻璃纤维或木粉(在酚醛模塑化合物中),可以用作一部分或100%替代品,但不会降低机械性能,有时甚至可以提高机械性能聚合物的性能。发现该树脂粉末可用于部分或全部重新填充热塑性聚合物中的矿物填料,而其基本功能(使用)性能保持不变,并且还可用于含聚酯酸酯或环氧化物树脂的腻子中。

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