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合成高分子卷材如聚氯乙烯(PVC)、氯化聚乙烯等防水卷材在工程上大量使用。这种卷材的防水质量除了与卷材本身质量有关系以外,还与卷材配套胶粘剂的质量有很大关系。检验胶粘剂的重要指标是粘结剥离强度。国家标准《屋面工程技术规范》(GB5020707-94)第4.2.6.2条明确规定:“合成高分子胶粘剂的粘结剥离强度不应小于15N/10mm,浸水168h 后粘结剥离强度保持率不应小于70％。”这是两个十分明确的检验胶粘剂的指标。在工程实践中,我们用一
Synthetic polymer coils such as polyvinyl chloride (PVC), chlorinated polyethylene and other waterproofing membrane in engineering a large number of use. In addition to the quality of the waterproofing of the membrane itself and the quality of the coil itself, but also with the quality of the coil supporting the adhesive has a lot to do. An important indicator of adhesive testing is peel adhesion strength. Article 4.2.6.2 of National Standard “Roofing Technical Specification” (GB5020707-94) clearly stipulates: “The bonding peel strength of synthetic polymer adhesive should not be less than 15N / 10mm, the retention of peel strength after 168h immersion should not be less than 70%. ”These are two very clear indicators of testing adhesives. In engineering practice, we use one