CN108947459A - A kind of light anti-fire door central layer material and preparation method thereof - Google Patents
A kind of light anti-fire door central layer material and preparation method thereof Download PDFInfo
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- CN108947459A CN108947459A CN201810831182.5A CN201810831182A CN108947459A CN 108947459 A CN108947459 A CN 108947459A CN 201810831182 A CN201810831182 A CN 201810831182A CN 108947459 A CN108947459 A CN 108947459A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/30—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing magnesium cements or similar cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1055—Coating or impregnating with inorganic materials
- C04B20/1066—Oxides, Hydroxides
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/72—Door leaves consisting of frame and panels, e.g. of raised panel type
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a kind of light anti-fire door central layer material, the raw material including following parts by weight: 20~30 parts of cement, 15~30 parts of magnesia, 7~11 parts of magnesium sulfate, 6~9 parts of sodium metasilicate, 8~15 parts of alumina aerogels modified pearl rock, 10~20 parts of montmorillonite, 5~10 parts of modified vitrification micro-bead, 3~6 parts of polylactic acid, 2~4 parts of fatty acid glyceride, β-ring-type paste 1~3 part, 2~5 parts of reinforcing fiber, 1~3 part of water-reducing agent.Proportion of the present invention by between control raw material and raw material, the product fire protecting performance prepared is high, intensity is big, medium density, water absorption rate are high.
Description
Technical field
The invention belongs to fire resistant doorsets technical fields, and in particular to a kind of light anti-fire door central layer material and preparation method thereof.
Background technique
Currently, the core plate of fire resistant doorsets mainly uses expanded perlite for primary raw material, with a certain proportion of inorganic high bonding
Agent and chemical addition agent mixing, are process by a whole set of operation.The method of existing filling anti-fire door core board is using mould
Tool is filled and led up by hand, and the low efficiency of filling, performance is poor, is easy to produce cracking and picking, also has and rolled out using magnesium chloride material
The technique of line production, the disadvantage is that corrosion steel, fire-protection rating is low, and intensity and water absorption rate are lower, is not able to satisfy modern fireproof and wants
It asks.
The patent of invention that Authorization Notice No. CN104030724B is discloses a kind of magnesium oxysulfide cementitious material anti-fire door core board
And its manufacturing method, belong to anti-fire door core board production field.The anti-fire door core board is formed solid by magnesium oxysulfide cementitious material slurry
Change obtains, and the slurry is mixed by light-magnesite powder, magnesium sulfate, modifying agent, polypropylene fibre, foam and water, light-burned
Magnesia powder, magnesium sulfate, modifying agent, polypropylene fibre, water, foam mass ratio be 1.00:0.20 ~ 0.40:0.005 ~
0.010:0.005~0.010:0.700~0.850:0.18~0.22.But the anti-folding of magnesium oxysulfide cementitious material anti-fire door core board
Intensity is inadequate, poor mechanical property.
Summary of the invention
The present invention provides a kind of light anti-fire door central layer materials and preparation method thereof, solve the problems in background technique,
Proportion of the present invention by between control raw material and raw material, the product fire protecting performance prepared is high, intensity is big, density is suitable
In, water absorption rate it is high.
It is of the existing technology in order to solve the problems, such as, it adopts the following technical scheme that
A kind of light anti-fire door central layer material, the raw material including following parts by weight: 20~30 parts of cement, 15~30 parts of magnesia, sulphur
7~11 parts of sour magnesium, 6~9 parts of sodium metasilicate, 8~15 parts of alumina aerogels modified pearl rock, 10~20 parts of montmorillonite, modified glass
Change 5~10 parts of microballon, 3~6 parts of polylactic acid, 2~4 parts of fatty acid glyceride, 1~3 part of β-ring-type paste, 2~5 parts of reinforcing fiber,
1~3 part of water-reducing agent.
Preferably, the light anti-fire door central layer material, the raw material including following parts by weight: 23~27 parts of cement, magnesia
20~25 parts, 8~10 parts of magnesium sulfate, 7~8 parts of sodium metasilicate, 10~13 parts of alumina aerogels modified pearl rock, montmorillonite 12~
16 parts, 6~9 parts of modified vitrification micro-bead, 4~5 parts of polylactic acid, 2.4~3.1 parts of fatty acid glyceride, β-ring-type paste 1.8~2.3
Part, 3~4 parts of reinforcing fiber, 1.5~2.6 parts of water-reducing agent.
Preferably, the light anti-fire door central layer material, the raw material including following parts by weight: 25 parts of cement, 23 parts of magnesia,
9 parts of magnesium sulfate, 7.8 parts of sodium metasilicate, 12 parts of alumina aerogels modified pearl rock, 14 parts of montmorillonite, 8 parts of modified vitrification micro-bead,
4.2 parts of polylactic acid, 2.9 parts of fatty acid glyceride, β-ring-type paste 2.2 parts, 3.4 parts of reinforcing fiber, 2.3 parts of water-reducing agent.
Preferably, the alumina aerogels modified pearl rock the preparation method is as follows:
Expanded perlite is soaked in the alumina aerogels prepared in advance, using vacuum impregnation absorbing process, makes to aoxidize
Aluminium aeroge sucks in expanded perlite cavity, and after to be aging, by normal pressure classification, dry, hydrophobic processing forms aluminium oxide airsetting
Glue modified pearl rock.
Preferably, the modified vitrification micro-bead the preparation method is as follows:
Inorganic mineral powder is uniformly mixed in mass ratio for 1:2 with glass bead, and is sprayed water to mixture table with watering can
Face is placed 2 days, is made the inorganic mineral powder for being adsorbed in glass bead surface that prehydration reaction occur, is then placed it at 105 DEG C
Dry 2 h, obtain modified vitrification micro-bead.
Preferably, the reinforcing fiber is the mixing of polypropylene fibre, acetate fiber, silicon carbide fibre and cocoanut fiber
Object, the polypropylene fibre, acetate fiber, silicon carbide fibre and cocoanut fiber mass ratio be 2:1:3:1.
Preferably, the water-reducing agent is naphthalene water reducer.
Preferably, anticracking enhancing muscle is additionally provided in the light anti-fire door central layer material, the anticracking enhances between muscle mutually
Connection, forms three-dimensional structure in light anti-fire door central layer material.
A method of preparing the light anti-fire door central layer material, comprising the following steps:
(1) by above-mentioned formula weigh cement, magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels modified pearl rock, montmorillonite,
Modified vitrification micro-bead, polylactic acid, fatty acid glyceride, β-ring-type paste, reinforcing fiber, water-reducing agent, it is spare；
(2) by cement, magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels modified pearl rock, montmorillonite, modified vitrification micro-bead
Mixing, be placed in high speed disperser and be uniformly dispersed, be subsequently placed in blender, be added water, control material in water content be 42~
48%, it is uniformly mixed, obtains mixed slurry A；
(3) polylactic acid, fatty acid glyceride, β-ring-type paste, reinforcing fiber, water-reducing agent are added into mixed slurry, is stirred
Uniformly, it then is placed in mold, then first foaming processing carries out microwave curing, obtains prefabrication；
(4) prefabrication obtained in step (3) is carried out natural curing 15~25 days to get the light anti-fire door central layer material.
Preferably, the microwave curing time is 20~40 minutes in the step (3).
Compared with prior art, the present invention it has the advantages that
(1) light anti-fire door central layer material of the present invention uses cement, magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels
Modified pearl rock, montmorillonite, modified vitrification micro-bead, polylactic acid, fatty acid glyceride, β-ring-type paste, reinforcing fiber, water-reducing agent etc.
As raw material, first raw material is uniformly mixed, is then solidified again, conserved, mutually acted synergistically between raw material, the product of preparation
Fire protecting performance is good, and water absorption rate is good, and intensity is big；
(2) light anti-fire door central layer material of the present invention is modified using magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels
Perlite, montmorillonite, modified vitrification micro-bead etc. are used as raw material, and magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels are modified precious
Zhu Yan, montmorillonite, modified vitrification micro-bead partial size are different, i.e. the refractory material of different-grain diameter is mutually matched, the production prepared
Product fire line is high.
Specific embodiment
Present invention will be further explained below with reference to specific examples.These embodiments are merely to illustrate the present invention and do not have to
In limiting the scope of the invention.
Embodiment 1
The present embodiment is related to a kind of light anti-fire door central layer material, the raw material including following parts by weight: 20 parts of cement, magnesia 15
Part, 7 parts of magnesium sulfate, 6 parts of sodium metasilicate, 8 parts of alumina aerogels modified pearl rock, 10 parts of montmorillonite, 5 parts of modified vitrification micro-bead,
3 parts of polylactic acid, 2 parts of fatty acid glyceride, β-ring-type paste 1 part, 2 parts of reinforcing fiber, 1 part of water-reducing agent.
Wherein, the alumina aerogels modified pearl rock the preparation method is as follows:
Expanded perlite is soaked in the alumina aerogels prepared in advance, using vacuum impregnation absorbing process, makes to aoxidize
Aluminium aeroge sucks in expanded perlite cavity, and after to be aging, by normal pressure classification, dry, hydrophobic processing forms aluminium oxide airsetting
Glue modified pearl rock.
Wherein, the modified vitrification micro-bead the preparation method is as follows:
Inorganic mineral powder is uniformly mixed in mass ratio for 1:2 with glass bead, and is sprayed water to mixture table with watering can
Face is placed 2 days, is made the inorganic mineral powder for being adsorbed in glass bead surface that prehydration reaction occur, is then placed it at 105 DEG C
Dry 2 h, obtain modified vitrification micro-bead.
Wherein, the reinforcing fiber is the mixture of polypropylene fibre, acetate fiber, silicon carbide fibre and cocoanut fiber,
The polypropylene fibre, acetate fiber, silicon carbide fibre and cocoanut fiber mass ratio be 2:1:3:1.
Wherein, the water-reducing agent is naphthalene water reducer.
Wherein, it is additionally provided with anticracking enhancing muscle in the light anti-fire door central layer material, is mutually interconnected between the anticracking enhancing muscle
It connects, forms three-dimensional structure in light anti-fire door central layer material.
A method of preparing the light anti-fire door central layer material, comprising the following steps:
(1) by above-mentioned formula weigh cement, magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels modified pearl rock, montmorillonite,
Modified vitrification micro-bead, polylactic acid, fatty acid glyceride, β-ring-type paste, reinforcing fiber, water-reducing agent, it is spare；
(2) by cement, magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels modified pearl rock, montmorillonite, modified vitrification micro-bead
Mixing, is placed in high speed disperser and is uniformly dispersed, be subsequently placed in blender, and water is added, and controlling water content in material is 42%,
It is uniformly mixed, obtains mixed slurry A；
(3) polylactic acid, fatty acid glyceride, β-ring-type paste, reinforcing fiber, water-reducing agent are added into mixed slurry, is stirred
Uniformly, it then is placed in mold, then first foaming processing carries out microwave curing, obtains prefabrication；
(4) prefabrication obtained in step (3) is carried out natural curing 15 days to get the light anti-fire door central layer material.
Wherein, the microwave curing time is 20 minutes in the step (3).
Embodiment 2
The present embodiment is related to a kind of light anti-fire door central layer material, the raw material including following parts by weight: 30 parts of cement, magnesia 30
Part, 11 parts of magnesium sulfate, 9 parts of sodium metasilicate, 15 parts of alumina aerogels modified pearl rock, 20 parts of montmorillonite, modified vitrification micro-bead 10
Part, 6 parts of polylactic acid, 4 parts of fatty acid glyceride, β-ring-type paste 3 parts, 5 parts of reinforcing fiber, 3 parts of water-reducing agent.
Wherein, the alumina aerogels modified pearl rock the preparation method is as follows:
Expanded perlite is soaked in the alumina aerogels prepared in advance, using vacuum impregnation absorbing process, makes to aoxidize
Aluminium aeroge sucks in expanded perlite cavity, and after to be aging, by normal pressure classification, dry, hydrophobic processing forms aluminium oxide airsetting
Glue modified pearl rock.
Wherein, the modified vitrification micro-bead the preparation method is as follows:
Inorganic mineral powder is uniformly mixed in mass ratio for 1:2 with glass bead, and is sprayed water to mixture table with watering can
Face is placed 2 days, is made the inorganic mineral powder for being adsorbed in glass bead surface that prehydration reaction occur, is then placed it at 105 DEG C
Dry 2 h, obtain modified vitrification micro-bead.
Wherein, the reinforcing fiber is the mixture of polypropylene fibre, acetate fiber, silicon carbide fibre and cocoanut fiber,
The polypropylene fibre, acetate fiber, silicon carbide fibre and cocoanut fiber mass ratio be 2:1:3:1.
Wherein, the water-reducing agent is naphthalene water reducer.
Wherein, it is additionally provided with anticracking enhancing muscle in the light anti-fire door central layer material, is mutually interconnected between the anticracking enhancing muscle
It connects, forms three-dimensional structure in light anti-fire door central layer material.
A method of preparing the light anti-fire door central layer material, comprising the following steps:
(1) by above-mentioned formula weigh cement, magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels modified pearl rock, montmorillonite,
Modified vitrification micro-bead, polylactic acid, fatty acid glyceride, β-ring-type paste, reinforcing fiber, water-reducing agent, it is spare；
(2) by cement, magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels modified pearl rock, montmorillonite, modified vitrification micro-bead
Mixing, be placed in high speed disperser and be uniformly dispersed, be subsequently placed in blender, be added water, control material in water content be 42~
48%, it is uniformly mixed, obtains mixed slurry A；
(3) polylactic acid, fatty acid glyceride, β-ring-type paste, reinforcing fiber, water-reducing agent are added into mixed slurry, is stirred
Uniformly, it then is placed in mold, then first foaming processing carries out microwave curing, obtains prefabrication；
(4) prefabrication obtained in step (3) is carried out natural curing 25 days to get the light anti-fire door central layer material.
Wherein, the microwave curing time is 40 minutes in the step (3).
Embodiment 3
The present embodiment is related to a kind of light anti-fire door central layer material, the raw material including following parts by weight: 23 parts of cement, magnesia 20
Part, 8 parts of magnesium sulfate, 7 parts of sodium metasilicate, 10 parts of alumina aerogels modified pearl rock, 12 parts of montmorillonite, 6 parts of modified vitrification micro-bead,
4 parts of polylactic acid, 2.4 parts of fatty acid glyceride, β-ring-type paste 1.8 parts, 3 parts of reinforcing fiber, 1.5 parts of water-reducing agent.
Wherein, the alumina aerogels modified pearl rock the preparation method is as follows:
Expanded perlite is soaked in the alumina aerogels prepared in advance, using vacuum impregnation absorbing process, makes to aoxidize
Aluminium aeroge sucks in expanded perlite cavity, and after to be aging, by normal pressure classification, dry, hydrophobic processing forms aluminium oxide airsetting
Glue modified pearl rock.
Wherein, the modified vitrification micro-bead the preparation method is as follows:
Inorganic mineral powder is uniformly mixed in mass ratio for 1:2 with glass bead, and is sprayed water to mixture table with watering can
Face is placed 2 days, is made the inorganic mineral powder for being adsorbed in glass bead surface that prehydration reaction occur, is then placed it at 105 DEG C
Dry 2 h, obtain modified vitrification micro-bead.
Wherein, the reinforcing fiber is the mixture of polypropylene fibre, acetate fiber, silicon carbide fibre and cocoanut fiber,
The polypropylene fibre, acetate fiber, silicon carbide fibre and cocoanut fiber mass ratio be 2:1:3:1.
Wherein, the water-reducing agent is naphthalene water reducer.
Wherein, it is additionally provided with anticracking enhancing muscle in the light anti-fire door central layer material, is mutually interconnected between the anticracking enhancing muscle
It connects, forms three-dimensional structure in light anti-fire door central layer material.
A method of preparing the light anti-fire door central layer material, comprising the following steps:
(1) by above-mentioned formula weigh cement, magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels modified pearl rock, montmorillonite,
Modified vitrification micro-bead, polylactic acid, fatty acid glyceride, β-ring-type paste, reinforcing fiber, water-reducing agent, it is spare；
(2) by cement, magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels modified pearl rock, montmorillonite, modified vitrification micro-bead
Mixing, is placed in high speed disperser and is uniformly dispersed, be subsequently placed in blender, and water is added, and controlling water content in material is 44%,
It is uniformly mixed, obtains mixed slurry A；
(3) polylactic acid, fatty acid glyceride, β-ring-type paste, reinforcing fiber, water-reducing agent are added into mixed slurry, is stirred
Uniformly, it then is placed in mold, then first foaming processing carries out microwave curing, obtains prefabrication；
(4) prefabrication obtained in step (3) is carried out natural curing 18 days to get the light anti-fire door central layer material.
Wherein, the microwave curing time is 25 minutes in the step (3).
Embodiment 4
The present embodiment is related to a kind of light anti-fire door central layer material, the raw material including following parts by weight: 27 parts of cement, magnesia 25
Part, 10 parts of magnesium sulfate, 8 parts of sodium metasilicate, 13 parts of alumina aerogels modified pearl rock, 16 parts of montmorillonite, modified vitrification micro-bead 9
Part, 5 parts of polylactic acid, 3.1 parts of fatty acid glyceride, β-ring-type paste 2.3 parts, 4 parts of reinforcing fiber, 2.6 parts of water-reducing agent.
Wherein, the alumina aerogels modified pearl rock the preparation method is as follows:
Expanded perlite is soaked in the alumina aerogels prepared in advance, using vacuum impregnation absorbing process, makes to aoxidize
Aluminium aeroge sucks in expanded perlite cavity, and after to be aging, by normal pressure classification, dry, hydrophobic processing forms aluminium oxide airsetting
Glue modified pearl rock.
Wherein, the modified vitrification micro-bead the preparation method is as follows:
Inorganic mineral powder is uniformly mixed in mass ratio for 1:2 with glass bead, and is sprayed water to mixture table with watering can
Face is placed 2 days, is made the inorganic mineral powder for being adsorbed in glass bead surface that prehydration reaction occur, is then placed it at 105 DEG C
Dry 2 h, obtain modified vitrification micro-bead.
Wherein, the reinforcing fiber is the mixture of polypropylene fibre, acetate fiber, silicon carbide fibre and cocoanut fiber,
The polypropylene fibre, acetate fiber, silicon carbide fibre and cocoanut fiber mass ratio be 2:1:3:1.
Wherein, the water-reducing agent is naphthalene water reducer.
Wherein, it is additionally provided with anticracking enhancing muscle in the light anti-fire door central layer material, is mutually interconnected between the anticracking enhancing muscle
It connects, forms three-dimensional structure in light anti-fire door central layer material.
A method of preparing the light anti-fire door central layer material, comprising the following steps:
(1) by above-mentioned formula weigh cement, magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels modified pearl rock, montmorillonite,
Modified vitrification micro-bead, polylactic acid, fatty acid glyceride, β-ring-type paste, reinforcing fiber, water-reducing agent, it is spare；
(2) by cement, magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels modified pearl rock, montmorillonite, modified vitrification micro-bead
Mixing, is placed in high speed disperser and is uniformly dispersed, be subsequently placed in blender, and water is added, and controlling water content in material is 45%,
It is uniformly mixed, obtains mixed slurry A；
(3) polylactic acid, fatty acid glyceride, β-ring-type paste, reinforcing fiber, water-reducing agent are added into mixed slurry, is stirred
Uniformly, it then is placed in mold, then first foaming processing carries out microwave curing, obtains prefabrication；
(4) prefabrication obtained in step (3) is carried out natural curing 20 days to get the light anti-fire door central layer material.
Wherein, the microwave curing time is 30 minutes in the step (3).
Embodiment 5
The present embodiment is related to a kind of light anti-fire door central layer material, the raw material including following parts by weight: 25 parts of cement, magnesia 23
Part, 9 parts of magnesium sulfate, 7.8 parts of sodium metasilicate, 12 parts of alumina aerogels modified pearl rock, 14 parts of montmorillonite, modified vitrification micro-bead 8
Part, 4.2 parts of polylactic acid, 2.9 parts of fatty acid glyceride, β-ring-type paste 2.2 parts, 3.4 parts of reinforcing fiber, 2.3 parts of water-reducing agent.
Wherein, the alumina aerogels modified pearl rock the preparation method is as follows:
Expanded perlite is soaked in the alumina aerogels prepared in advance, using vacuum impregnation absorbing process, makes to aoxidize
Aluminium aeroge sucks in expanded perlite cavity, and after to be aging, by normal pressure classification, dry, hydrophobic processing forms aluminium oxide airsetting
Glue modified pearl rock.
Wherein, the modified vitrification micro-bead the preparation method is as follows:
Inorganic mineral powder is uniformly mixed in mass ratio for 1:2 with glass bead, and is sprayed water to mixture table with watering can
Face is placed 2 days, is made the inorganic mineral powder for being adsorbed in glass bead surface that prehydration reaction occur, is then placed it at 105 DEG C
Dry 2 h, obtain modified vitrification micro-bead.
Wherein, the reinforcing fiber is the mixture of polypropylene fibre, acetate fiber, silicon carbide fibre and cocoanut fiber,
The polypropylene fibre, acetate fiber, silicon carbide fibre and cocoanut fiber mass ratio be 2:1:3:1.
Wherein, the water-reducing agent is naphthalene water reducer.
Wherein, it is additionally provided with anticracking enhancing muscle in the light anti-fire door central layer material, is mutually interconnected between the anticracking enhancing muscle
It connects, forms three-dimensional structure in light anti-fire door central layer material.
A method of preparing the light anti-fire door central layer material, comprising the following steps:
(1) by above-mentioned formula weigh cement, magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels modified pearl rock, montmorillonite,
Modified vitrification micro-bead, polylactic acid, fatty acid glyceride, β-ring-type paste, reinforcing fiber, water-reducing agent, it is spare；
(2) by cement, magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels modified pearl rock, montmorillonite, modified vitrification micro-bead
Mixing, is placed in high speed disperser and is uniformly dispersed, be subsequently placed in blender, and water is added, and controlling water content in material is 47%,
It is uniformly mixed, obtains mixed slurry A；
(3) polylactic acid, fatty acid glyceride, β-ring-type paste, reinforcing fiber, water-reducing agent are added into mixed slurry, is stirred
Uniformly, it then is placed in mold, then first foaming processing carries out microwave curing, obtains prefabrication；
(4) prefabrication obtained in step (3) is carried out natural curing 23 days to get the light anti-fire door central layer material.
Wherein, the microwave curing time is 35 minutes in the step (3).
Comparative example
A kind of magnesium oxysulfide cementitious material anti-fire door core board disclosed in the patent of invention that Authorization Notice No. CN104030724B is.
The performance of fire-resistant door core plate described in Examples 1 to 5, comparative example is tested respectively, and test result is as follows:
| Compression strength (MPa) | Perpendicular to plate face compression strength (MPa) | Moisture content (%) | |
| Embodiment 1 | 14 | 0.46 | 8 |
| Embodiment 2 | 16 | 0.38 | 10 |
| Embodiment 3 | 15 | 0.41 | 9 |
| Embodiment 4 | 14 | 0.43 | 10 |
| Embodiment 5 | 16 | 0.45 | 11 |
| Comparative example | 10 | 0.27 | 12 |
As can be seen from the above table, protective door coreboard fire protecting performance of the present invention is good, and intensity is big, and water absorption rate is high.
In conclusion (1) light anti-fire door central layer material of the present invention uses cement, magnesia, magnesium sulfate, silicic acid
Sodium, montmorillonite, modified vitrification micro-bead, polylactic acid, fatty acid glyceride, β-ring-type paste, increases alumina aerogels modified pearl rock
Strong fiber, water-reducing agent etc. are used as raw material, first uniformly mix raw material, are then solidified again, conserve, and mutually cooperate between raw material
Effect, the product fire protecting performance of preparation is good, and water absorption rate is good, and intensity is big；
(2) light anti-fire door central layer material of the present invention is modified using magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels
Perlite, montmorillonite, modified vitrification micro-bead etc. are used as raw material, and magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels are modified precious
Zhu Yan, montmorillonite, modified vitrification micro-bead partial size are different, i.e. the refractory material of different-grain diameter is mutually matched, the production prepared
Product fire line is high.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (10)
1. a kind of light anti-fire door central layer material, which is characterized in that the raw material including following parts by weight: 20~30 parts of cement, oxidation
15~30 parts of magnesium, 7~11 parts of magnesium sulfate, 6~9 parts of sodium metasilicate, 8~15 parts of alumina aerogels modified pearl rock, montmorillonite 10
~20 parts, 5~10 parts of modified vitrification micro-bead, 3~6 parts of polylactic acid, 2~4 parts of fatty acid glyceride, β -1~3 part of ring-type paste, increasing
Strong 2~5 parts of fiber, 1~3 part of water-reducing agent.
2. light anti-fire door central layer material according to claim 1, which is characterized in that the raw material including following parts by weight: water
23~27 parts of mud, 20~25 parts of magnesia, 8~10 parts of magnesium sulfate, 7~8 parts of sodium metasilicate, alumina aerogels modified pearl rock 10
~13 parts, 12~16 parts of montmorillonite, 6~9 parts of modified vitrification micro-bead, 4~5 parts of polylactic acid, 2.4~3.1 parts of fatty acid glyceride,
β-ring-type pastes 1.8~2.3 parts, 3~4 parts of reinforcing fiber, 1.5~2.6 parts of water-reducing agent.
3. light anti-fire door central layer material according to claim 1, which is characterized in that the raw material including following parts by weight: water
25 parts of mud, 23 parts of magnesia, 9 parts of magnesium sulfate, 7.8 parts of sodium metasilicate, 12 parts of alumina aerogels modified pearl rock, montmorillonite 14
Part, 8 parts of modified vitrification micro-bead, 4.2 parts of polylactic acid, 2.9 parts of fatty acid glyceride, β-ring-type paste 2.2 parts, 3.4 parts of reinforcing fiber,
2.3 parts of water-reducing agent.
4. light anti-fire door central layer material according to claim 1, which is characterized in that the alumina aerogels modified pearl
Rock the preparation method is as follows:
Expanded perlite is soaked in the alumina aerogels prepared in advance, using vacuum impregnation absorbing process, makes to aoxidize
Aluminium aeroge sucks in expanded perlite cavity, and after to be aging, by normal pressure classification, dry, hydrophobic processing forms aluminium oxide airsetting
Glue modified pearl rock.
5. light anti-fire door central layer material according to claim 1, which is characterized in that the preparation side of the modified vitrification micro-bead
Method is as follows:
Inorganic mineral powder is uniformly mixed in mass ratio for 1:2 with glass bead, and is sprayed water to mixture table with watering can
Face is placed 2 days, is made the inorganic mineral powder for being adsorbed in glass bead surface that prehydration reaction occur, is then placed it at 105 DEG C
Dry 2 h, obtain modified vitrification micro-bead.
6. light anti-fire door central layer material according to claim 1, which is characterized in that the reinforcing fiber is that polypropylene is fine
Dimension, acetate fiber, silicon carbide fibre and cocoanut fiber mixture, the polypropylene fibre, acetate fiber, silicon carbide fibre and
The mass ratio of cocoanut fiber is 2:1:3:1.
7. light anti-fire door central layer material according to claim 1, which is characterized in that the water-reducing agent is naphthalene water reducer.
8. light anti-fire door central layer material according to claim 1, which is characterized in that in the light anti-fire door central layer material also
Enhance muscle equipped with anticracking, is connected with each other between the anticracking enhancing muscle, forms three-dimensional structure in light anti-fire door central layer material.
9. a kind of method for preparing any one of claim 1~8 light anti-fire door central layer material, which is characterized in that including with
Lower step:
(1) by above-mentioned formula weigh cement, magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels modified pearl rock, montmorillonite,
Modified vitrification micro-bead, polylactic acid, fatty acid glyceride, β-ring-type paste, reinforcing fiber, water-reducing agent, it is spare；
(2) by cement, magnesia, magnesium sulfate, sodium metasilicate, alumina aerogels modified pearl rock, montmorillonite, modified vitrification micro-bead
Mixing, be placed in high speed disperser and be uniformly dispersed, be subsequently placed in blender, be added water, control material in water content be 42~
48%, it is uniformly mixed, obtains mixed slurry A；
(3) polylactic acid, fatty acid glyceride, β-ring-type paste, reinforcing fiber, water-reducing agent are added into mixed slurry, is stirred
Uniformly, it then is placed in mold, then first foaming processing carries out microwave curing, obtains prefabrication；
(4) prefabrication obtained in step (3) is carried out natural curing 15~25 days to get the light anti-fire door central layer material.
10. preparation method according to claim 9, which is characterized in that in the step (3) the microwave curing time be 20~
40 minutes.
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| US12006261B2 (en) | 2020-11-11 | 2024-06-11 | Saudi Arabian Oil Company | Cement slurries, cured cement and methods of making and use of these |
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Application publication date: 20181207 |