Phosphogypsum fireproof door core filler and preparation method thereof
A fire door core, phosphogypsum technology, applied in fire doors, clay preparation devices, chemical instruments and methods, etc., can solve the problems of cumbersome installation, poor mechanical properties of fire door core boards, etc., to speed up construction speed, high humidity film Strength and coverage effects, performance-enhancing effects
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Embodiment 1
[0029] A phosphogypsum fire door core filler, comprising the following components in parts by weight: 850 parts of alpha-type phosphogypsum, 60 parts of polyester fibers, 39 parts of redispersible latex powder, 370 parts of expanded foam microbeads, powder 128 parts of coal ash microbeads, 3 parts of waterproofing agent, 15 parts of aluminum powder, 15 parts of lime;
[0030] The preparation method includes the following steps:
[0031] 1) Weigh the α-type phosphogypsum, polyester fiber, redispersible latex powder, expanded foamed microbeads, fly ash microbeads and waterproofing agent and mix them uniformly to obtain composite phosphogypsum powder;
[0032]2) Water is firstly added to the mixer, and then the compound phosphogypsum powder after step 1) is evenly mixed into the mixer for uniform mixing. The mass ratio of the compound phosphogypsum powder and water is 1:2. component A;
[0033] 3) Weigh the aluminum powder and lime and mix them evenly, and obtain component B af...
Embodiment 2
[0037] A phosphogypsum fire door core filler, comprising the following components in parts by weight: 800 parts of alpha-type phosphogypsum, 55 parts of polyester fibers, 35 parts of redispersible latex powder, 350 parts of expanded foamed microbeads, powder 120 parts of coal ash microbeads, 2.8 parts of waterproofing agent, 12 parts of aluminum powder, 12 parts of lime;
[0038] The preparation method includes the following steps:
[0039] 1) Weigh the α-type phosphogypsum, polyester fiber, redispersible latex powder, expanded foamed microbeads, fly ash microbeads and waterproofing agent and mix them uniformly to obtain composite phosphogypsum powder;
[0040] 2) Water is firstly added to the mixer, and then the compound phosphogypsum powder after step 1) is evenly mixed into the mixer for uniform mixing. The mass ratio of the compound phosphogypsum powder and water is 1:2. component A;
[0041] 3) Weigh the aluminum powder and lime and mix them evenly, and obtain component...
Embodiment 3
[0045] A phosphogypsum fire door core filler, comprising the following components in parts by weight: 900 parts of alpha-type phosphogypsum, 65 parts of polyester fibers, 42 parts of redispersible latex powder, 390 parts of expanded foamed microbeads, powder 140 parts of coal ash microbeads, 3.2 parts of waterproofing agent, 18 parts of aluminum powder, 18 parts of lime;
[0046] The preparation method includes the following steps:
[0047] 1) Weigh the α-type phosphogypsum, polyester fiber, redispersible latex powder, expanded foamed microbeads, fly ash microbeads and waterproofing agent and mix them uniformly to obtain composite phosphogypsum powder;
[0048] 2) Water is firstly added to the mixer, and then the compound phosphogypsum powder after step 1) is evenly mixed into the mixer for uniform mixing. The mass ratio of the compound phosphogypsum powder and water is 1:2. component A;
[0049] 3) Weigh the aluminum powder and lime and mix them evenly, and obtain component...
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