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    环氧地坪漆施工涂料胶化现象怎么办

    2018-10-24 18:44:41 无锡盛发地坪科技有限公司 阅读

    环氧地坪漆施工涂料在贮存过程中黏度增高,直至胶状现象。由于溶剂挥发或溶剂使用不当或因氧化聚合等反应使黏度增高的现象称为增稠。增稠有时有触变性,或因颜料及体质颜料的膨胀所引起,此时一经强烈振动即能恢复原来的稠度。由于漆基与颜料之间的反应,稠度变得特别高,严重的呈豆腐状或块状,称为胶化。胶化、增稠等现象是不可逆的,与触变现象不同。

    During the storage of epoxy floor paint, the viscosity of the coating increased until it was colloidal. Thickening is the phenomenon that the viscosity increases due to solvent evaporation or improper solvent use or oxidation polymerization. Thickening sometimes has thixotropy, or due to the expansion of pigments and physical pigments caused by the strong vibration can be restored to the original consistency. Because of the reaction between the paint base and the pigment, the consistency becomes particularly high, serious tofu-like or lump-like, known as gelatinization. The phenomena of gelatinization and thickening are irreversible and different from thixotropic phenomena.

    环氧地坪施工产生的增稠、胶化的原因是:色漆黏稠化的主要原因是所用颜料与漆基起反应,如锌白、铅白等盐基性颜料与漆基中的有机酸起反应生成金属皂,引起胶化凝固;容器不完全密闭或者未装满桶,在贮存过程中部分溶剂挥发,使漆液浓缩、增稠,空气中氧也能促进胶化;涂料贮存场所的温度不宜过高,故切勿在日光下、散热器或炉旁存放。

    The reasons for thickening and gluing in epoxy floor construction are as follows: the main reason for thickening is that the pigments used react with the paint base, such as zinc white, lead white and other salt-based pigments react with the organic acids in the paint base to form metal soap, causing gelation and solidification; the container is not completely sealed or not filled barrels, part of the storage process. Solvent volatilization, so that paint concentration, thickening, oxygen in the air can also promote gelatinization; paint storage site temperature should not be too high, so do not store in sunlight, radiator or furnace.

    因含有热固性树脂的漆基受热时黏度会上升而产生胶化;添加了不适当的稀释剂,采用溶解力不强的稀释剂就会使黏度增高。

    Because the viscosity of the paint base containing thermosetting resin increases when heated, it becomes gelatinized; if an inappropriate diluent is added, the viscosity will increase when the diluent with weak solubility is used.

    环氧地坪施工产生的增稠、胶化的解决方法是:某些漆基应避免选用盐基性颜料,而以锌钡白、钛白、氧化锑等颜料替代,炭黑的pH值低,通常添加少量的三乙醇胺来克服;容器一定要密闭,如开桶使用后要密闭好,最好在2-3日或一周内用掉;存放时选择适宜的环境;选用适当的溶剂或添加溶解力强的溶剂。

    The solution to the thickening and gelling of epoxy floor construction is: some lacquer base should avoid using salt-based pigments, instead of zinc barium white, titanium white, antimony oxide and other pigments, the pH value of carbon black is low, usually a small amount of triethanolamine is added to overcome; the container must be sealed, such as open barrel after use, preferably in 2-3 days. Or use it within a week; store it in a suitable environment; choose the right solvent or add a solvent with strong solubility. 


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