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The invention relates to the technical field of thermal insulation materials, and particularly discloses a graphite inorganic composite polystyrene foam thermal insulation board and a preparation method thereof. The thermal insulation board is mainly prepared from, by weight, 600-800 parts of magnesium sulfate, 100-120 parts of magnesium oxide, 1-5 parts of a retarder, 80-120 parts of polystyrene foam particles, 370-425 parts of water, 5-10 parts of silica aerogel and 0-20 parts of graphite. The preparation method comprises the following steps: adding magnesium sulfate into water, then adding magnesium oxide to obtain a gel system, adding the raw materials except the polystyrene foaming particles into the gel system, finally adding the polystyrene foaming particles, and carrying out pressure forming. According to the invention, the thermal insulation board has excellent flame retardance and thermal insulation performance, the fireproof grade of the thermal insulation board reaches grade A, the heat conductivity coefficient of the thermal insulation board is smaller than 0.038 W/(mK), and the thermal insulation board further has the effects of sound insulation and noise reduction, does not mildew, is environmentally friendly and good in durability and can be recycled, and resources are saved.
本申请涉及保温材料技术领域，具体公开了一种石墨无机复合聚苯乙烯泡沫保温板及其制备方法，保温板主要由以下重量份的原料制成：硫酸镁600‑800份、氧化镁100‑120份、缓凝剂1‑5份、聚苯乙烯泡沫颗粒80‑120份、水370‑425份、硅气凝胶5‑10份和石墨0‑20份；其制备方法为：先将硫酸镁加入水中随后加入氧化镁得到凝胶体系，再将除聚苯乙烯发泡颗粒以外的原料加入凝胶体系中，最后加入聚苯乙烯发泡颗粒，加压成型。本申请的保温板具有优异的阻燃性能和保温性能，其防火等级达到A级且导热系数小于0.038 W/(m•K)，还具有隔音降噪的效果且不会霉变、绿色环保，耐久性好，可再循环使用，节约资源。
The invention relates to the technical field of thermal insulation materials, and particularly discloses a graphite inorganic composite polystyrene foam thermal insulation board and a preparation method thereof. The thermal insulation board is mainly prepared from, by weight, 600-800 parts of magnesium sulfate, 100-120 parts of magnesium oxide, 1-5 parts of a retarder, 80-120 parts of polystyrene foam particles, 370-425 parts of water, 5-10 parts of silica aerogel and 0-20 parts of graphite. The preparation method comprises the following steps: adding magnesium sulfate into water, then adding magnesium oxide to obtain a gel system, adding the raw materials except the polystyrene foaming particles into the gel system, finally adding the polystyrene foaming particles, and carrying out pressure forming. According to the invention, the thermal insulation board has excellent flame retardance and thermal insulation performance, the fireproof grade of the thermal insulation board reaches grade A, the heat conductivity coefficient of the thermal insulation board is smaller than 0.038 W/(mK), and the thermal insulation board further has the effects of sound insulation and noise reduction, does not mildew, is environmentally friendly and good in durability and can be recycled, and resources are saved.
本申请涉及保温材料技术领域，具体公开了一种石墨无机复合聚苯乙烯泡沫保温板及其制备方法，保温板主要由以下重量份的原料制成：硫酸镁600‑800份、氧化镁100‑120份、缓凝剂1‑5份、聚苯乙烯泡沫颗粒80‑120份、水370‑425份、硅气凝胶5‑10份和石墨0‑20份；其制备方法为：先将硫酸镁加入水中随后加入氧化镁得到凝胶体系，再将除聚苯乙烯发泡颗粒以外的原料加入凝胶体系中，最后加入聚苯乙烯发泡颗粒，加压成型。本申请的保温板具有优异的阻燃性能和保温性能，其防火等级达到A级且导热系数小于0.038 W/(m•K)，还具有隔音降噪的效果且不会霉变、绿色环保，耐久性好，可再循环使用，节约资源。
Graphite inorganic composite polystyrene foam insulation board and preparation method thereof
一种石墨无机复合聚苯乙烯泡沫保温板及其制备方法
HOU WANLI (author)
2021-08-13
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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