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那些因素能够影响无锡固化剂地坪的固化时间

发布时间:2019-04-29人气:19

无锡固化剂地坪是近年来出现并得到广泛应用的环氧地坪漆产品。它以水作溶剂,尤其适合地下水位较高或者没做防水层的地下室、仓库及停车场等基面潮湿的场所,能有效解决潮湿地面普通环氧地坪漆涂层容易起泡的问题。无锡固化剂地坪环氧地坪漆" target="_blank" href="http://www.wxsfdp.com/" class="seolabel" style="color: rgb(28, 87, 196); text-decoration-line: none;">涂料是一种多相体系,它以环氧树脂为分散相,水溶性固化剂作为连续相,它的固化过程由扩散控制。最先发生固化反应的应该在界面上,环氧颗粒表层的黏度组建增加,同时,固化剂逐渐扩散到环氧树脂中,进一步使环氧树脂固化。影响水性环氧地坪涂料固化的原因主要有以下几个方面。

Waterborne epoxy floor paint is a kind of floor paint product which has appeared and been widely used in recent years. It uses water as solvent, especially suitable for basement, warehouse and parking area with high groundwater level or without waterproof layer. It can effectively solve the problem of foaming of common floor paint coating on wet ground. Waterborne epoxy floor paint is a multiphase system. It uses epoxy resin as disperse phase and water-soluble curing agent as continuous phase. Its curing process is controlled by diffusion. The first curing reaction should occur at the interface. The viscous composition of the surface layer of epoxy particles increases. At the same time, the curing agent gradually diffuses into the epoxy resin, which further solidifies the epoxy resin. The main factors affecting the curing of waterborne epoxy floor coatings are as follows. 

水性环氧地坪漆的特性

Characteristics of waterborne epoxy floor paint:

1、安全环保。水性环氧地坪漆以水作溶剂,气味小、不燃,储存、运输和使用方便、安全,并且符合环保要求。

1. Safety and environmental protection. Waterborne epoxy floor paint uses water as solvent. It has small odor, non-flammable, convenient storage, transportation and use, and meets the requirements of environmental protection.

2、减少涂膜缺陷。普通的环氧地坪漆漆膜致密,基面潮气蒸发后无法透过漆膜逸出,从而形成上顶的压力,造成涂膜起泡。而由于水性地坪漆以水作溶剂,固化后的漆膜上有细微的孔隙,基层中的水汽可以透过这些孔隙逸出,排解了基面水汽蒸发产生的压力,有效防止地坪漆涂层起泡。

2. Reduce coating defects. Ordinary epoxy floor paint film is dense, moisture vaporization on the base surface can not escape through the film, thus forming the pressure on the top, causing the film to foam. Because water-based floor paint uses water as solvent, there are fine pore on the cured film. Water vapor in the base can escape through these pore, which can relieve the pressure caused by vapor evaporation on the base and effectively prevent the floor paint from foaming.

3、使用方便。水性环氧地坪漆施工工具可以直接用水清洗,可以降低施工成本。

3. Easy to use. Water-borne epoxy floor paint construction tools can be directly cleaned with water, which can reduce construction costs.

4、使用范围广。可在室温和潮湿的环境中使用,如地下室、建筑底层等地方。

4. Wide range of use. Can be used in room temperature and humid environment, such as basement, building floor and other places.


影响水性环氧地坪漆固化的因素

Influencing factors on curing of waterborne epoxy floor paint:
水性环氧地坪漆涂料是一种多相体系,它以环氧树脂为分散相,水溶性固化剂作为连续相,它的固化过程由扩散控制。最先发生固化反应的应该在界面上,环氧颗粒表层的黏度组建增加,同时,固化剂逐渐扩散到环氧树脂中,进一步使环氧树脂固化。影响水性环氧地坪涂料固化的原因主要有以下几个方面。

Waterborne epoxy floor paint is a multiphase system. It uses epoxy resin as disperse phase and water-soluble curing agent as continuous phase. Its curing process is controlled by diffusion. The first curing reaction should occur at the interface. The viscous composition of the surface layer of epoxy particles increases. At the same time, the curing agent gradually diffuses into the epoxy resin, further curing the epoxy resin. The main factors affecting the curing of waterborne epoxy floor coatings are as follows.

1、 环氧树脂的粒径。一般来说,环氧树脂的粒径越小,固化就越接近完全。

1. The particle size of epoxy resin. Generally speaking, the smaller the particle size of epoxy resin, the closer to complete curing.

2、 环氧颗粒的黏度和玻璃化温度。A.水性环氧体系中的分散相环氧树脂是液态,但随着固化反应的进行,颗粒表面的黏度会增加,甚至变为固体,然后其玻璃化温度也会增加,是固化剂的扩散变困难。B.固化反应的进行和溶剂的挥发会使高粘度的环氧树脂颗粒溶剂行程对固化剂扩散的阻碍作用。

2. Viscosity and glass transition temperature of epoxy particles. A. Dispersed phase epoxy resin in waterborne epoxy system is liquid, but with the curing reaction proceeding, the surface viscosity of particles will increase, or even become solid, and then the glass transition temperature will increase, which makes the diffusion of curing agent difficult. B. The curing reaction and volatilization of solvents will hinder the diffusion of curing agent by the solvent stroke of epoxy resin particles with high viscosity.

3、 环氧树脂与固化剂的相容性。两者的相容性越好,固化剂就越容易向环氧树脂内扩散,有利于固化。为了提高环氧树脂与固化剂的相容性,建议提高涂膜的耐水性,把环氧树脂和固化剂都设计成分散体的形式。一方面对环氧树脂进行亲水集团改性,使其具有自乳化性能。另一方面,对固化剂进行改性。

3. Compatibility between epoxy resin and curing agent. The better the compatibility between the two, the easier the curing agent diffuses into epoxy resin, which is conducive to curing. In order to improve the compatibility between epoxy resin and curing agent, it is suggested to improve the water resistance of the film and to design the disperse form of epoxy resin and curing agent. On the one hand, epoxy resin was modified by hydrophilic group to make it self-emulsifying. On the other hand, the curing agent was modified.

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