一种轻质保温耐水硫氧镁板及制备方法

By adding magnesium whiskers, lightweight fillers, waterproofing agents, and curing modifiers to magnesium oxysulfate boards and employing delayed foaming and double curing processes, the problems of high density, high thermal conductivity, and poor water resistance of magnesium oxysulfate boards are solved, resulting in the preparation of lightweight, heat-insulating, and water-resistant magnesium oxysulfate boards suitable for lightweight wall panels, fire-resistant components, and thermal insulation boards.

CN117700200BActive Publication Date: 2026-07-17JIANG YIN W T THERMAL INSULATION MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JIANG YIN W T THERMAL INSULATION MATERIAL CO LTD
Filing Date
2023-12-12
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing magnesium oxysulfate boards have high density, high thermal conductivity, poor water resistance, and poor strength stability, which limits their application in engineering.

Method used

Lightweight, water-resistant magnesium oxysulfide board is prepared by adding components such as magnesium whiskers, lightweight fillers, waterproofing agents, fibers, and curing modifiers. It adopts a delayed foaming process and undergoes double curing treatment.

Benefits of technology

Magnesium oxysulfate board has been developed that is lightweight, heat-insulating, fire-resistant, wear-resistant, and has excellent water resistance. It is widely used in lightweight wall panels, fire-resistant components, and thermal insulation boards.

✦ Generated by Eureka AI based on patent content.

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Abstract

本发明公开了一种轻质保温耐水硫氧镁板，由浆料涂覆后滞后发泡制得，按质量份数计，浆料包括氧化镁100份、硫酸镁水溶液100～150份、镁质晶须5～10份、轻质填料15～35份、防水剂1～3份、纤维2～5份、固化改性剂4～8份、蛋白发泡剂2～8份；轻质填料包括气凝胶粉末和 / 或稻壳；防水剂为硅酸钠和 / 或硅酸钾；固化改性剂包括有机酸和硫酸亚铁。该轻质保温耐水硫氧镁板不仅具有良好的耐火性、抗压性和耐磨性，且质量轻、耐水性优异，所得硫氧镁板广泛地应用于轻质墙板、耐火构件、保温隔热板及其通风管道领域。
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