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A platform for research: civil engineering, architecture and urbanism
Preparation method of vermiculite for sealing
The invention discloses a preparation method of vermiculite for sealing, which comprises the following steps: step 1, powder mixing: mixing chemical expanded vermiculite, thermal expanded vermiculite, talcum powder and glass powder, and using one or two or more than one powder particle size during mixing; step 2, slurry mixing: adding a solvent, a dispersing agent, a defoaming agent, a binder, a plasticizer, a flatting agent and other organic solvents into the mixed powder, and mixing; step 3, slurry defoaming: putting the mixed slurry into a vacuum defoaming machine for vacuum defoaming; 4, slip casting is conducted, specifically, the defoamed slurry is injected into a mold with the required shape, and the sealing gasket can be obtained after the slurry is dried; and 5, a gasket is used, specifically, when the sealing gasket is used, certain load pressure is needed to achieve good air tightness. The method has the remarkable advantages that the utilization rate of raw materials and slurry is increased through the slip casting process, and raw material waste caused by cutting in traditional tape casting and roll forming is greatly reduced.
本发明公开了一种密封用蛭石的制备方法，制备方法如下：步骤1，粉料混合:化学膨胀蛭石、热膨胀蛭石、滑石粉、玻璃粉混合，混料时可使用一种或两种及以上目数的粉体粒径；步骤2，浆料混合：将混合的粉料添加溶剂、分散剂、消泡剂、粘结剂、塑化剂、流平剂等有机溶剂混合；步骤3，浆料脱泡：将混合的浆料放入真空脱泡机中进行真空脱泡；步骤4，注浆成型：将脱泡后浆料注入需求形状的模具中，等待干燥后可得密封垫片；步骤5，使用垫片：密封垫片在使用时需要一定的载荷压力以实现良好的气密性。本发明的显著优点在于通过注浆成型工艺，提高了原料及浆料的利用率，大大减少了传统流延成型、辊压成型由于裁切造成的原料浪费。
Preparation method of vermiculite for sealing
The invention discloses a preparation method of vermiculite for sealing, which comprises the following steps: step 1, powder mixing: mixing chemical expanded vermiculite, thermal expanded vermiculite, talcum powder and glass powder, and using one or two or more than one powder particle size during mixing; step 2, slurry mixing: adding a solvent, a dispersing agent, a defoaming agent, a binder, a plasticizer, a flatting agent and other organic solvents into the mixed powder, and mixing; step 3, slurry defoaming: putting the mixed slurry into a vacuum defoaming machine for vacuum defoaming; 4, slip casting is conducted, specifically, the defoamed slurry is injected into a mold with the required shape, and the sealing gasket can be obtained after the slurry is dried; and 5, a gasket is used, specifically, when the sealing gasket is used, certain load pressure is needed to achieve good air tightness. The method has the remarkable advantages that the utilization rate of raw materials and slurry is increased through the slip casting process, and raw material waste caused by cutting in traditional tape casting and roll forming is greatly reduced.
本发明公开了一种密封用蛭石的制备方法，制备方法如下：步骤1，粉料混合:化学膨胀蛭石、热膨胀蛭石、滑石粉、玻璃粉混合，混料时可使用一种或两种及以上目数的粉体粒径；步骤2，浆料混合：将混合的粉料添加溶剂、分散剂、消泡剂、粘结剂、塑化剂、流平剂等有机溶剂混合；步骤3，浆料脱泡：将混合的浆料放入真空脱泡机中进行真空脱泡；步骤4，注浆成型：将脱泡后浆料注入需求形状的模具中，等待干燥后可得密封垫片；步骤5，使用垫片：密封垫片在使用时需要一定的载荷压力以实现良好的气密性。本发明的显著优点在于通过注浆成型工艺，提高了原料及浆料的利用率，大大减少了传统流延成型、辊压成型由于裁切造成的原料浪费。
Preparation method of vermiculite for sealing
一种密封用蛭石的制备方法
CHEN YAOYI (author) / LIU ZHIXIANG (author) / FANG LINING (author) / LI FANGFANG (author) / LI SHUANGBIN (author) / LIU QING (author)
2024-02-06
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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