Preparation method of intelligent temperature control glue and film

Abstract

The invention relates to a preparation method of intelligent temperature control glue and film, comprising the following steps of: (a) dispersing R-phase or M-phase vanadium dioxide (VO2) particles with phase change function into a dispersing agent; (b) dispersing the vanadium dioxide particles dispersed in the solvent into self-bonding glue, and forming a glue with intelligent temperature control performance based on the intelligent temperature control property of the vanadium dioxide nano particles; and (c) spreading the glue with intelligent temperature control performance on a flexible base material, forming a coating based on the self-bonding property of the glue, wherein the coating can be combined with a releasing film layer without a mounting glue so as to form the intelligent temperature control film. In comparison with the conventional film, the film provided by the invention not only has the intelligent temperature control effect, but also is simplified in technology, thus, cost is lowered, and the film can be widely used in various aspects, such as energy saving for buildings, heat insulation for car windows, and surface protection.

Description

technical field [0001] The invention relates to the technology in the field of chemical engineering and materials, in particular to a method for preparing an intelligent temperature-control glue and a film. technical background [0002] In the context of increasingly severe energy supply, energy saving and consumption reduction is the common goal of people all over the world. At present, building energy consumption has been tied with industrial energy consumption and transportation energy consumption, and has become the three "big energy consumers" in my country's energy consumption. Building energy consumption accounts for about 30% of the total energy consumption of the whole society, the most important of which is heating and air conditioning, accounting for 20%. Among the four major enclosure components of a building, the heat lost through doors and windows accounts for more than 50% of the heating and air conditioning energy consumption of the entire building. Western...

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Problems solved by technology

[0004] At present, the commonly used methods for preparing coatings containing vanadium dioxide mainly include magnetron sputtering, chemical vapor deposition, sol-gel methods, etc. These methods all have expensive equipment, high cost, complicated process, and small film-forming area. It is not suitable for mass production and other limitations. In addition, the above method directly manufactures energy-saving glass and cannot be applied to energy-saving transformation of existing ordinary glass

Patents CN102399072A, CN102120615A, CN102464354A, and CN102336528A all mention the method of dispersing vanadium dioxide powder and coating film, but because the dispersion system used in these methods does not have good cohesiveness on the substrate, it can only be used in specific Coating on the substrate, which greatly limits its scope of use

Even coatings applied on flexible substrates still require a layer of mounting glue before they can be used, which not only increases the complexity of the film process, but also increases the cost of the film

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