Composite material with self-regulating function and production method thereof

Abstract

The invention provides a composite material with a self-regulating function. The composite material is prepared by comprising the following components in parts by weight: 45-73 parts of powder with the self-regulating function and one or two of 0.15-1.2 parts of reinforced fibers or 15-20 parts of fillers, which are added into 20-40 parts of combination solution; the powder with the self-regulating function is prepared by the following components: calciferous inorganic matrixes, algae and modifying agent with the weight ratio being 38-55:6-16:3-6; and the combination solution is prepared by compounding the following components in parts by weight: 100 parts of clear water, 1.5-2.0 parts of crystal modifier, 0.4-0.5 part of waterproof agent, and 0.4-0.5 part of defoamer. The moisture absorption of the composite material with the self-regulating function reaches 12 percent, the moisture desorption reaches 8 percent, the combination effect of the self-regulating function and the recombination rate of the self-regulating function of the composite material are better than those of traditional inorganic salt and inorganic porous materials, and the manufacturing cost and the application field of the composite material are better than those of special silica gel and organic polymer. The invention also provides a preparation method of the composite material.

Description

technical field [0001] The invention relates to a self-humidity-regulating material, especially in the field of building materials to improve indoor air quality, through the continuous action of algae, variable valence atoms in inorganic components and catalytic components, which can stably release negative ions and compound with calcium crystal technology It is a composite material with self-humidity-regulating function. Its series of self-humidity-regulating materials such as powder, powder, granule, plate and handicraft are widely used in building materials, light industry and other fields to improve air quality. Background technique [0002] Composite materials with humidity control function were first developed and applied in Japan. In buildings such as museums, historical archives, memorial halls, temples, libraries, art galleries, and bookstores, the use of composite materials with humidity control functions has played a significant role in the protection and preserva...

AI Technical Summary

Problems solved by technology

When the relative humidity is less than 40%, the reproduction speed of the influenza virus will be accelerated, accompanied by the spread of dust, resulting in a significant increase in the incidence of infectious diseases. Cracking, resulting in varying degrees of delamination and deformation; when the relative humidity is greater than 80%, it makes people feel uncomfortable and seriously causes stomach problems, rashes and rheumatoid arthritis

[0003] At present, composite materials with humidity control function are mainly divided into five categories: first, special silica gel, which has outstanding moisture absorption capacity and moisture absorption speed, but the analysis process presents a more serious hysteresis than moisture absorption, and the cost of silica gel is high, making it The application is greatly restricted; secondly, inorganic salts, with the increase of moisture absorption, slowly deliquesce by themselves; thirdly, organic polymer materials, the moisture absorption and desorption speed of superabsorbent resin are affected by the expansion speed of polymer Influence, dehumidification speed is slow, dehumidification is small, manufacturing cost is high, and functional life is short; Fourth, composite materials with organic-inorganic composite humidity control function increase the moisture absorption and desorption speed, but the manufacturing process is complicated and the cost is high ; Fifth, porous inorganic materials, including bamboo charcoal, activated carbon, zeolite, sepiolite, diatomaceous earth, etc., have simple production process, fast moisture absorption and desorption speed (especially fast dehumidification speed), and small hysteresis hysteresis. It is non-toxic and harmless to the human body and the environment, but a single porous inorganic material is not gelatinous and difficult to form into a whole. Its product form is limited to powder and granular, and its use is limited.

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