Wiping-resistance glass antifogging agent and preparing method thereof

Abstract

The invention provides a wiping-resistance glass antifogging agent and a preparing method thereof, and belongs to the technical field of preparation of antifogging agents. The wiping-resistance glassantifogging agent is prepared from linear-chain alkyl alcohol polyether, a hydrophile high-molecular polymer, a chelating agent, an acidity regulator and deionized water. According to the wiping-resistance glass antifogging agent, by optimizing the raw material composition and component quantity, a layer of hydrophile thin film with high adsorbability can be formed on the surface of glass so thatwater drops cannot be condensed into droplets, thus the glass is prevented from fogging, the wiping-resistance glass antifogging agent has the advantages of wiping resistance, good film forming performance and long antifogging time, and the VOC content is lower. As is shown by the results of the embodiment, the prepared wiping-resistance glass antifogging agent is wiped and uniformly smeared, theglass can be effectively prevented from fogging, the antifogging effect can be maintained for 10 days or longer after the agent is sprayed at a time and wiped 5 times, and the VOC content is smaller than 1 wt.%; the antifogging effect of an antifogging agent sold on the market as a contrast can only be maintained for 1-2 days after multiple times of wiping.

Description

technical field [0001] The invention relates to the technical field of antifogging agent preparation, in particular to a scratch-resistant glass antifogging agent and a preparation method thereof. Background technique [0002] As we all know, due to the joint action of temperature and humidity in the cold season, a layer of mist will be cast on the surface of the glass, including spectacle lenses, automobile glass and bathroom glass; the fogging phenomenon on the glass will greatly affect people. In daily life, especially after the glass of the car window is fogged, it will block the driver's sight, often causing various accidents and directly affecting personal safety. In order to reduce and eliminate the above phenomenon, there are two main anti-fog technologies for glass: one is the hydrophilic treatment of the glass surface, and a kind of compound with hydrophilic properties is applied to the glass surface to make the glass surface have a great antifogging effect. Hydro...

AI Technical Summary

Problems solved by technology

However, since the main component of the early hydrophilic anti-fog agent is surfactant, its adsorption effect is not good, and it is not resistant to wiping. Often after the user sprays and wipes the glass, it cannot form a perfect anti-fog protective film. On the one hand, because of the poor film-forming performance of the surfactant during the wiping process, on the other hand, the poor adsorption performance of the anti-fogging agent after film formation will cause the defect of short onset time, requiring the user to repeatedly spray and wipe every day, which is time-consuming and laborious

In order to improve the adsorption of glass anti-fog agents, the common practice of relevant researchers is to add a large amount of organic solvents to help adsorption, thereby improving the long-term anti-fog effect, but this also leads to the fact that most hydrophilic glass anti-fog agents on the market The content of volatile organic compounds (VOC) is relatively high, approximately between 5wt.% and 16wt.%, which seriously affects the health of users

Images