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A platform for research: civil engineering, architecture and urbanism
Gypsum plaster board and preparation method thereof and desulfurized gypsum pretreatment method
The invention discloses a gypsum plaster board and a preparation method thereof and a desulfurized gypsum pretreatment method. The gypsum plaster board is composed of the raw materials: desulfurized gypsum clinker, polyphosphate, a cationic surfactant, a nonionic surfactant, a binder and water. The preparation method comprises the steps: uniformly mixing the desulfurized gypsum clinker, the polyphosphate and the binder to obtain a mixture; uniformly mixing the cationic surfactant, the non-ionic surfactant and the water to obtain a compounded surfactant solution; uniformly mixing the mixture with the compounded surfactant solution to obtain slurry; and attaching surface protection paper to the upper surface and the lower surface of the slurry, molding, and drying to obtain the gypsum plaster board. The gypsum plaster board disclosed by the invention is relatively good in mechanical property, the adhesion property of the surface protection paper and gypsum is relatively good, and the content of water-soluble MgO in a core material and the content of water-soluble chloride ions in an interlayer of the core material are relatively low.
一种纸面石膏板及其制备方法和脱硫石膏预处理方法。所述纸面石膏板的原料包括：脱硫石膏熟料、聚磷酸盐、阳离子表面活性剂、非离子表面活性剂、粘结剂和水。所述制备方法包括将所述脱硫石膏熟料、所述聚磷酸盐和所述粘结剂混合均匀，得到混合料；将所述阳离子表面活性剂、所述非离子表面活性剂和所述水混合均匀，得到复配的表面活性剂溶液；将所述混合料与所述复配的表面活性剂溶液混合均匀，得到料浆；以及在所述料浆的上、下表面附上护面纸，成型，干燥，得到所述纸面石膏板。本申请的纸面石膏板的力学性能较好，护面纸与石膏的粘接性能较好，芯材中的水溶性MgO含量和芯材夹层中的水溶性氯离子含量较低。
Gypsum plaster board and preparation method thereof and desulfurized gypsum pretreatment method
The invention discloses a gypsum plaster board and a preparation method thereof and a desulfurized gypsum pretreatment method. The gypsum plaster board is composed of the raw materials: desulfurized gypsum clinker, polyphosphate, a cationic surfactant, a nonionic surfactant, a binder and water. The preparation method comprises the steps: uniformly mixing the desulfurized gypsum clinker, the polyphosphate and the binder to obtain a mixture; uniformly mixing the cationic surfactant, the non-ionic surfactant and the water to obtain a compounded surfactant solution; uniformly mixing the mixture with the compounded surfactant solution to obtain slurry; and attaching surface protection paper to the upper surface and the lower surface of the slurry, molding, and drying to obtain the gypsum plaster board. The gypsum plaster board disclosed by the invention is relatively good in mechanical property, the adhesion property of the surface protection paper and gypsum is relatively good, and the content of water-soluble MgO in a core material and the content of water-soluble chloride ions in an interlayer of the core material are relatively low.
一种纸面石膏板及其制备方法和脱硫石膏预处理方法。所述纸面石膏板的原料包括：脱硫石膏熟料、聚磷酸盐、阳离子表面活性剂、非离子表面活性剂、粘结剂和水。所述制备方法包括将所述脱硫石膏熟料、所述聚磷酸盐和所述粘结剂混合均匀，得到混合料；将所述阳离子表面活性剂、所述非离子表面活性剂和所述水混合均匀，得到复配的表面活性剂溶液；将所述混合料与所述复配的表面活性剂溶液混合均匀，得到料浆；以及在所述料浆的上、下表面附上护面纸，成型，干燥，得到所述纸面石膏板。本申请的纸面石膏板的力学性能较好，护面纸与石膏的粘接性能较好，芯材中的水溶性MgO含量和芯材夹层中的水溶性氯离子含量较低。
Gypsum plaster board and preparation method thereof and desulfurized gypsum pretreatment method
纸面石膏板及其制备方法和脱硫石膏预处理方法
WANG BING (author) / YANG ZHENGBO (author) / CHEN HONGXIA (author) / LI FAN (author) / ZHANG HE (author)
2020-08-18
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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