Negative ion mineral wool board and preparation method thereof

Abstract

The invention provides a negative ion mineral wool board and a preparation method thereof. The negative ion mineral wool board includes negative ion mineral powder which is loaded on attapulgite clayas the raw material for preparation of the mineral wool board. The method includes the following steps that the raw materials are weighed; the negative ion mineral powder is loaded on the attapulgiteclay; the attapulgite clay is calcined, activated, and ground; the negative ion mineral powder and the activated attapulgite clay powder are dissolved in water, mixed evenly and then subjected to ultrasound dispersion; the attapulgite clay loaded with negative ion mineral powder is filtered, dried and ground; a flocculant is diluted to a 10-40 mass% solution with water; the attapulgite clay loadedwith negative ion mineral powder, the flocculant aqueous solution, mineral wool fiber and starch are added into water and stirred evenly to obtain mixture slurry; the mixture slurry is formed, cut into large plates and dried to obtain semi-finished products; the semi-finished products are subjected to post-processing to obtain the finished products. The negative ion mineral wool board can releasenegative ions and play the role of purifying air.

Description

technical field [0001] This application relates to but not limited to the field of building materials, in particular but not limited to a negative ion mineral wool board and a preparation method thereof. Background technique [0002] Harmful substances such as formaldehyde, benzene, and toluene released by current decoration materials and furniture pose threats and damage to the human living environment and living environment. The problem of indoor environmental pollution caused by building materials and decoration materials has attracted more and more attention. [0003] Since Dr. Philip Leonard, a German physicist, proved for the first time that negative ions have special health effects and air purification effects on the human body, the health care effects of negative ions have been recognized by the medical community. The beneficial effects of negative ions are mainly manifested in purifying the air, activating cells, purifying the blood, promoting metabolism, enhancing...

AI Technical Summary

Problems solved by technology

In addition, when traditionally preparing mineral wool boards, when the negative ion powder absorbs the high-molecular-weight flocculant in the wet method, the diameter of the particles will become larger and the adsorption layer will become thicker, which can speed up the settling speed of the particles. However, due to the thick adsorption The layer density is low and has a good space protection effect, which hinders flocculation, causing some negative ion mineral powders to be unable to be flocculated by flocculants, and there are disadvantages such as waste of materials and increased production costs.

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