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Fireproof door core board
A fireproof door core comprises the following raw materials in percentage by weight: a component A: 25-40% of a binder, 20-30% of a thermal insulation material, 30-40% of modified expanded vermiculite, 4-10% of a high-temperature expanding agent, 4-10% of aluminum hydroxide, 4-6% of a water-retaining agent, and a component B: water. Wherein the modified expanded vermiculite is prepared by the following steps: (1) carrying out incomplete expansion calcination on vermiculite; (2) uniformly stirring an acrylic monomer, sodium hydroxide, an acrylamide monomer, an initiator potassium persulfate, a crosslinking auxiliary pentaerythritol polyglycidyl ether, incompletely expanded vermiculite and water, performing ultrasonic dispersion to obtain a first reaction solution, and putting the first reaction solution in a reaction kettle for reaction to obtain a gel substance; and (3) carrying out primary crushing and drying on the gel substance, then carrying out further crushing in a ball mill, and then carrying out surface cross-linking modification to obtain the fireproof expanded vermiculite with water absorption performance.
一种防火门芯，原料名称及重量百分比如下：组分A:粘结剂25‑40％、隔热材料20‑30％、改性膨胀蛭石30‑40％、高温膨胀剂4‑10％、氢氧化铝4‑10％、保水剂4‑6％，组分B为水。其中，改性膨胀蛭石由如下步骤制备而成：(1)对蛭石进行不完全膨胀煅烧；(2)取丙烯酸单体、氢氧化钠、丙烯酰胺单体、引发剂过硫酸钾、交联助剂季戊四醇聚缩水甘油醚、不完全膨胀蛭石、水，搅拌均匀并进行超声分散，得到第一反应溶液，并置于在反应釜中反应得到凝胶物质；(3)将凝胶物质进行初步破碎干燥，然后在球磨机中进行进一步粉碎，再进行表面交联改性，得到具有吸水性能的防火型膨胀蛭石。
Fireproof door core board
A fireproof door core comprises the following raw materials in percentage by weight: a component A: 25-40% of a binder, 20-30% of a thermal insulation material, 30-40% of modified expanded vermiculite, 4-10% of a high-temperature expanding agent, 4-10% of aluminum hydroxide, 4-6% of a water-retaining agent, and a component B: water. Wherein the modified expanded vermiculite is prepared by the following steps: (1) carrying out incomplete expansion calcination on vermiculite; (2) uniformly stirring an acrylic monomer, sodium hydroxide, an acrylamide monomer, an initiator potassium persulfate, a crosslinking auxiliary pentaerythritol polyglycidyl ether, incompletely expanded vermiculite and water, performing ultrasonic dispersion to obtain a first reaction solution, and putting the first reaction solution in a reaction kettle for reaction to obtain a gel substance; and (3) carrying out primary crushing and drying on the gel substance, then carrying out further crushing in a ball mill, and then carrying out surface cross-linking modification to obtain the fireproof expanded vermiculite with water absorption performance.
一种防火门芯，原料名称及重量百分比如下：组分A:粘结剂25‑40％、隔热材料20‑30％、改性膨胀蛭石30‑40％、高温膨胀剂4‑10％、氢氧化铝4‑10％、保水剂4‑6％，组分B为水。其中，改性膨胀蛭石由如下步骤制备而成：(1)对蛭石进行不完全膨胀煅烧；(2)取丙烯酸单体、氢氧化钠、丙烯酰胺单体、引发剂过硫酸钾、交联助剂季戊四醇聚缩水甘油醚、不完全膨胀蛭石、水，搅拌均匀并进行超声分散，得到第一反应溶液，并置于在反应釜中反应得到凝胶物质；(3)将凝胶物质进行初步破碎干燥，然后在球磨机中进行进一步粉碎，再进行表面交联改性，得到具有吸水性能的防火型膨胀蛭石。
Fireproof door core board
防火门芯板
XUE YONGGANG (author) / ZHAO YANLI (author)
2024-03-19
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
E06B
Feste oder bewegliche Abschlüsse für Öffnungen in Bauwerken, Fahrzeugen, Zäunen oder ähnlichen Einfriedungen allgemein, z.B. Türen, Fenster, Läden, Tore
,
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
| European Patent Office | 2020