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    环氧地坪为何会出现涂层剥离的现象

    2018-10-27 08:29:51 无锡盛发地坪科技有限公司 阅读

    1、环氧树脂地坪涂层出现凸起及裂缝:环氧树脂地坪涂层局部凸起,主要表现为出现直径2~5mm 和30~50mm 不同程度的凸起,主要原因是基层干燥不够,气体集聚在漆膜下面,涂膜面吸收水分而凸起,或者是由漆膜固化 时有杂质未清理干净。涂层出现裂缝,表现为涂膜收缩开裂和涂层因基层裂缝而拉裂。

    1. Protrusions and cracks in epoxy floor coatings: local protrusions of epoxy floor coatings are mainly manifested by protrusions with diameters of 2-5mm and 30-50mm. The main reason is that the base is not dry enough, the gas gathers under the film, the surface of the film absorbs moisture and protrudes, or there are impurities when the film solidifies. Not cleaned up. The cracks occurred on the coating, which showed the shrinkage cracking of the coating and the cracking of the coating due to the cracks at the base. 

    2、停车场环氧树脂地坪涂层剥离破坏:环氧树脂环氧地坪涂层大面积剥离破坏主要有两种情况:a、环氧树脂层与混凝土基层结合界面破坏,表现为环氧涂层脱落,混凝土基层正常无损,大面积出现,直接原因是界面黏结力不足 ;b、环氧涂层与混凝土基层表面砂浆结合紧密,破坏面出现在混凝土基层内部,破坏面位于混凝土基层的砂浆平面。这种破坏形式一般大面积出现,直接原因是混凝土的抗拉强度 不足。停车场环氧树脂环氧地坪涂层的不同涂膜层也有出现剥离的情况,主要原因是不同涂膜之间的黏结力不足,一般出现于局部,大面积出现并不常见。

    2. Epoxy resin floor coating peeling damage in parking lot: Epoxy resin floor coating peeling damage in large area mainly has two kinds of situations: a, epoxy resin layer and concrete base interface damage, performance of epoxy coating peeling off, concrete base normal non-destructive, large area of appearance, the direct reason is the lack of interface adhesion; The epoxy coating is closely bonded with the mortar on the surface of the concrete base, the failure surface appears in the interior of the concrete base, and the failure surface lies in the mortar plane of the concrete base. This failure occurs in a large area. The direct reason is that the tensile strength of concrete is insufficient. Different coatings of epoxy resin floors in parking lots are also peeled off, mainly due to insufficient adhesion between different coatings, which usually occurs locally and rarely occurs in large areas.


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