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    环氧地坪膜起皱现象产生的原因和防治措

    2019-09-13 13:21:37 无锡盛发地坪科技有限公司 阅读

    环氧地坪在厂房、实验室内、车间、地下停车库等等地方都有广泛的运用,但是如果在施工过程中操作不当,就容易出现环氧地坪漆起皱的情况,下面小编为大家介绍一下环氧地坪起皱的缘由,一起来看下~起皱也称为皱纹,漆膜呈现出有规律的小波幅波纹,皱纹的大小和密集率可随漆膜组成及成膜时条件(包括温度、湿膜厚度和大气污染严重情况)而变化。

    Epoxy flooring is widely used in factories, laboratories, workshops, underground parking garages and other places, but if improper operation in the construction process, it is easy to appear the wrinkling of epoxy flooring paint. Here is a brief introduction to the causes of wrinkling of epoxy flooring. Let's look at the wrinkling of epoxy flooring, also known as wrinkling, paint. The film shows regular wave amplitude ripple. The size and density of wrinkles can vary with the composition of the film and the conditions of film formation (including temperature, wet film thickness and serious atmospheric pollution). 【环氧地坪漆膜起皱现象产生的原因】

    [Causes of wrinkling of floor paint film]

    1、涂料中含有过多的挥发性较快的溶剂,使涂膜未流平,黏度就剧增,以致表层过早地干硬而里层被隔绝空气不能干透,产生皱纹。

    1. Coatings contain too many volatile solvents, which make the film not smooth, and the viscosity increases sharply, so that the surface is too early to dry and the inner layer is insulated from the air and can not dry thoroughly, resulting in wrinkles.

    2、催干剂中钴、猛、铅或锌的配比失调,钴、猛催干剂用量过高,使涂膜表干里不干,造成表层收缩起皱。

    2. The mismatch of cobalt, manganese, lead or zinc in the drier, and the excessive dosage of cobalt and manganese drier make the surface dry and wrinkle.

    3、施工黏度过大,涂膜较厚。

    3. The construction viscosity is too high and the coating is thicker.

    4、施工后,涂膜保罗在高温环境下,造成涂膜表面干燥过快。

    4. After construction, Paul coated film dried too fast under high temperature.

    环氧地坪漆漆膜起皱的防治措施】

    [Preventive measures for wrinkling of epoxy floor paint film]

    1、应尽量减少挥发性快的溶剂的用量,调整涂料配方。

    1. The dosage of solvent with fast volatility should be reduced as far as possible and the formulation of paint should be adjusted.

    2、注意各种催干剂的配比,应多用铅、锌催干剂,少用钴、猛催干剂。

    2. Attention should be paid to the proportion of various driers. Lead and zinc driers should be used more, and cobalt and quick driers should be used less.

    3、施工黏度不宜过大,涂膜不宜太厚。

    3. The construction viscosity should not be too high and the coating should not be too thick.

    4、不宜在烈日暴晒环境下施工,如需烘烤,烘烤温度不宜过高,排风量不宜过大。

    4. It is not suitable to construct in the hot sunshine environment. If baking is needed, the baking temperature should not be too high and the exhaust air volume should not be too large.

    5、尽量不用油性涂料或醇酸类需空气干燥的涂料。干性快慢不同的油漆不能掺合使用。涂装后要有足够的干燥时间。可在涂料中加入防起皱的流平剂或润湿分散剂。

    5. Do not use oily coatings or alkyd coatings which need air drying as far as possible. Paints with different drying speeds should not be mixed. There should be enough drying time after painting. Anti-wrinkle leveling agent or wetting dispersant can be added to the coating.

    6、对于起皱现象严重的涂膜,需铲去重新涂装,注意底材处理需光滑。对于轻微的起皱,需用累纱纸将皱纹磨平,去除去屑,再喷涂或涂装一道涂料。

    6. For the film with serious wrinkling phenomenon, it is necessary to shovel off and re-coat, and pay attention to the smooth treatment of the substrate. For slight wrinkles, the wrinkles should be smoothed with yarn paper, debris removed, and then sprayed or coated with a paint.

    7、对烘烤型涂料,要按照烘烤干燥技术条件制订逐步升温烘烤的干燥工艺规范,应在晾干室内先晾干15min后,再进入烘干室逐步升温。

    7. For baking coatings, the drying process specifications for stepwise heating and baking should be formulated in accordance with the technical conditions of baking and drying. The drying room should be dried for 15 minutes before entering the drying room to gradually raise the temperature.

    环氧地坪漆膜起皱大多发生在快干涂料中,且环氧地坪漆施工环境温度高,涂装距离(喷涂)大,稀释剂挥发快,致使环氧地坪防腐漆漆漆膜没有流平,极易造成起皱现象的发生,降低施工环境温度,调整喷漆距离,适当加入慢干溶剂,减少催干剂用量,是避免和克服环氧环氧地坪漆涂膜起皱的方法。

    The wrinkling of epoxy floor paint mostly occurs in fast-drying coatings, and the high temperature of the construction environment, large painting distance (spraying) and fast volatilization of diluent result in no leveling of epoxy floor anti-corrosive paint film, which easily causes wrinkling phenomenon, reduces the construction environment temperature, adjusts spraying distance, and properly adds it. Slow-drying solvent and reducing the dosage of drier are the methods to avoid and overcome the wrinkling of epoxy floor paint.


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