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卫生级PVC-U给水管用胶粘剂的研制和应用

廖晖,曾雷,周崇文

China Adhesives（2012）

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Abstract
以聚氯乙烯(PVC)为基体树脂、乙酸乙酯/环己酮为混合溶剂、偶联剂为改性剂,采用溶齐法制成了一种卫生级PVC-U给水管用胶粘剂.考察了基体树脂、混合溶剂和施工方法等对胶粘剂黏度、粘接强度的影响.结果表明:当m(基体树脂):m(乙酸乙酯):m(环己酮):m(偶联剂)=24:55:120:0.5、固化时间为16h时,胶粘剂的综合性能良好,并且其卫生指标的实测结果满足GB/T17219-1998标准要求;该胶粘剂是PVC-U给水管材/管件胶接用理想的胶粘剂.
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