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    环氧地坪漆施工中涂膜层间附着力差的原因

    2018-11-08 07:51:11 无锡盛发地坪科技有限公司 阅读

    环氧地坪漆中混凝土固化剂用量过多,使环氧地坪漆漆膜脆硬;催化剂用量不当,使漆膜过脆,或基材除油去尘不彻底,使基材沾污油脂、灰尘等,是产生漆膜附着力差的原因。PU环氧地坪漆施工后,放置时间过长,旧漆未经打磨处理和清洁处理,或底层含硅助剂太多,造成重新涂环氧地坪漆后,漆层间附着力差,甚至出现剥离。

    The excessive amount of concrete curing agent in epoxy floor paint makes the film brittle and hard, the improper amount of catalyst makes the film brittle, or the base material is not thoroughly degreased and dedusted, so that the base material is contaminated with grease and dust, which is the reason for the poor adhesion of the paint film. After the construction of PU floor paint, the time of placing is too long, the old paint has not been polished and cleaned, or there are too many silicon additives in the bottom layer, resulting in poor adhesion between coatings and even peeling after re-coating of epoxy floor paint. 

    要防止环氧地坪漆附着力差和克服漆层间产生剥离现象,必须严格控制混凝土固化剂的比例,控制催化剂的用量,对被涂装的基材要彻底清除油污,对旧的漆膜或搁置时间过长的漆膜,要清洁涂膜表面,并打磨平滑清洁后再涂新的环氧地坪漆。要重涂的漆,要选择可重涂的助剂(尤其是含硅助剂),并严格控制添加量,已形成附着力差的环氧地坪漆漆膜,必须脱除干净,重新清洁底材,合理按比例配漆,重新涂装。

    In order to prevent the poor adhesion of epoxy floor paint and overcome the peeling phenomenon between coatings, it is necessary to strictly control the proportion of concrete curing agent, control the amount of catalyst, thoroughly remove the grease stain on the coated base material, clean the surface of the old coatings or coatings that have been put on shelf for too long, and polish the surface of the coatings smoothly and then coat it again. New epoxy floor paint. In order to re-coat the paint, it is necessary to select re-coatable auxiliaries (especially silicon-containing auxiliaries) and strictly control the amount of additives. The epoxy floor paint film with poor adhesion has been formed. It is necessary to remove it, re-clean the base material, properly mix the paint in proportion and re-coat it.


    标签:   环氧地坪 地坪 环氧地坪漆 环氧地坪施工 环氧地坪翻新
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