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    环氧地坪漆膜老化的三个特征及解决方法

    2019-05-13 10:30:45 无锡盛发地坪科技有限公司 阅读

    环氧地坪漆达到使用寿命的过程中,漆膜也会逐渐老化,由轻到重主要表现为漆膜失光、变色以及粉化,以至于环氧地坪漆完全丧失功能,不再具有保护地面的功能。下面光磊环氧地坪漆厂家就给大家详细介绍环氧地坪漆漆膜老化的三个特征。我们就可以判断环氧地坪漆漆膜是否老化。对于漆膜已经老化的环氧地坪漆要及时进行翻新改造(具体参考《旧环氧地坪翻新改造方案》),否则就会影响环氧地坪的正常使用。

    In the process of epoxy floor paint reaching its service life, the film will also gradually aging, from light to heavy, mainly for the loss of light, discoloration and powdering of the film, so that the epoxy floor paint completely lost its function, no longer has the function of protecting the ground. The following Guanglei floor paint manufacturers will give you a detailed description of the three characteristics of aging epoxy floor paint film. We can judge whether the epoxy floor paint film is aging. For the epoxy floor paint with ageing film, it should be renovated in time (refer specifically to the "Renovation and Reconstruction Scheme of Old Epoxy Floor"), otherwise it will affect the normal use of the floor. 一、失光

    First, loss of light.

    失光是环氧地坪漆涂膜老化的最初特征,由于环氧地坪漆涂膜受太阳光中紫外线照射的影响, 引起光化学反应,使环氧树脂成分发生降解,逐步丧失原有光泽,直至发展成全部失光。环氧地坪漆涂层光泽是装饰性环氧地坪漆涂膜的重要指标,膜层一旦失去光泽(原始无光泽涂层除外)就无装饰性可言,所以通过环氧地坪漆涂料涂装,能使环氧地坪漆涂膜达到光彩照人,丰满度好,鲜映性极佳,不仅仅关系到环氧地坪漆涂料的正确选择,也是衡量环氧地坪漆施工工艺水平的重要指标之一。

    Loss of gloss is the initial feature of the ageing of epoxy floor paint. Because of the influence of ultraviolet radiation in sunlight, the epoxy floor paint film causes photochemical reaction, which degrades the epoxy resin composition and gradually loses its original gloss until it develops into total loss of gloss. The gloss of epoxy floor paint coating is an important index of decorative epoxy floor paint coating. Once the film loses its gloss (except for the original gloss coating), it has no decorative property. Therefore, through the application of epoxy floor paint coating, the epoxy floor paint coating can achieve brilliance, good fullness and excellent reflectivity. It is not only related to the correct choice of epoxy floor paint, but also a measure. Epoxy floor paint construction technology level is one of the important indicators.

    二、变色

    Two, discoloration

    这也是环氧地坪漆涂膜开始老化的一种较明显的征兆。环氧地坪漆涂膜从正常的颜色发生色泽的改变,有的变深,有的变浅,有的发暗,有的白色变黄,有的红的变粉色或变浅等,这些都属于变色。其原因是由于光化学反应的结果,对色漆来说,其变色与树脂的性质有一定关系,但主要还是取决于选用的颜料的性质,不同颜料有不同的光敏性,由此显示出不同的保色性。

    This is also an obvious sign that the epoxy floor paint film is beginning to aging. Epoxy floor paint film changes color from normal color, some darkening, some lightening, some darkening, some white yellowing, some red pink or light, etc., which belong to discoloration. The reason is that the photochemical reaction results in the discoloration of the paint, which has a certain relationship with the properties of the resin, but mainly depends on the properties of the selected pigments. Different pigments have different photosensitivity, which shows different color retention.

    三、粉化

    Three. Powdering

    粉化是环氧地坪漆涂膜老化逐步深化的特征,其原因主要是受太阳光紫外线的辐射和氧的存在下相互作用引起树脂分子链的交联或降解,促使树脂与颜料颗粒之间的分离,出现脱粉现象。其次是与颜料的性质、晶形也有很大关系。

    Powdered epoxy floor coatings are characterized by gradual deepening of aging. The main reason is that the interaction between solar ultraviolet radiation and oxygen causes the crosslinking or degradation of resin molecular chains, which promotes the separation of resin and pigment particles, and the phenomenon of dedusting. Secondly, it has a great relationship with the nature and crystal shape of the pigments.

    粉化现象是环氧地坪漆涂膜发生严重失光或完全失光之后才会有的。也就是说此时 的涂膜,不仅已完全丧失了装饰特性,而且它的防护性能也已开始遭到了破坏,标志着涂膜老化已趋向于严重阶段。

    Powdered phenomena occur only after the epoxy floor paint film is seriously or completely lost light. That is to say, at this time, not only the decorative properties of the coating have been completely lost, but also its protective properties have begun to be destroyed, indicating that the aging of the coating has tended to a serious stage.


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