CN104803653A - Fireproof door core plate and preparation method thereof - Google Patents
Fireproof door core plate and preparation method thereof Download PDFInfo
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- CN104803653A CN104803653A CN201410312666.0A CN201410312666A CN104803653A CN 104803653 A CN104803653 A CN 104803653A CN 201410312666 A CN201410312666 A CN 201410312666A CN 104803653 A CN104803653 A CN 104803653A
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- Prior art keywords
- door core
- mixture
- fire door
- core board
- engineering
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- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 62
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims abstract description 58
- 239000002994 raw material Substances 0.000 claims abstract description 35
- 239000004744 fabric Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910001868 water Inorganic materials 0.000 claims abstract description 32
- 239000000835 fiber Substances 0.000 claims abstract description 30
- 229910001629 magnesium chloride Inorganic materials 0.000 claims abstract description 29
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 29
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 29
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000000465 moulding Methods 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 47
- 238000007493 shaping process Methods 0.000 claims description 15
- 238000009775 high-speed stirring Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 abstract description 4
- 239000003607 modifier Substances 0.000 abstract description 3
- 238000003892 spreading Methods 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010451 perlite Substances 0.000 description 2
- 235000019362 perlite Nutrition 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000002742 anti-folding effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- Special Wing (AREA)
Abstract
The invention provides a fireproof door core plate and a preparation method thereof. The fireproof door core plate comprises, by mass, 20-30% of magnesium oxide, 20-30% of magnesium chloride, 4-6% of a modifier, 0.8-1.5% of engineering short fibers, 0.1-1.0% of a fibrous gridding cloth and 35-50% of water. The preparation method comprises the following steps of weighing raw materials according to a ratio, mixing magnesium oxide, magnesium chloride, the modifier, the engineering short fibers and water to obtain a uniform mixture, pouring the mixture into a mold, carrying out standing for curing molding, adding the fibrous gridding cloth in the mixture in a way of spreading before mixture standing curing molding, carrying out demolding after the mixture is cured and molded so that the fireproof door core plate is molded, and pressing the molded fireproof door core plate by a flatting machine so that the fireproof door core plate finished product is obtained.
Description
Technical field
The present invention relates to building material field, particularly, relate to a kind of anti-fire door core board and preparation method thereof.
Background technology
Along with the continuous increase of Highrise buildings, China requires more than 7 layers to build and the door-plate of communal facility building must have fire-proof function.Existing anti-fire door core board mainly with aluminum silicate fiber material or perlite material for prepared by material of main part, although fire-resistant, heat insulation and soundproof effect is pretty good, but, the anti-fire door core board prepared with aluminum silicate fiber material easily produces fiber in production and use procedure, can cause damage to the health of human body, and the anti-folding of anti-fire door core board prepared with perlite material, bending strength are inadequate, easy to crack, damaged in transport, assembling process, cause the Quality Down of door panel, fire prevention effect cannot ensure, and manufacturing cost is high.
Summary of the invention
The problem to be solved in the present invention is to provide that a kind of fire resistance is good, bend resistance ability is strong, to human body and environmentally friendly anti-fire door core board and preparation method thereof.
A kind of anti-fire door core board, its raw material comprise mass percent be 20% ~ 30% magnesium oxide, 20% ~ 30% magnesium chloride, 4% ~ 6% properties-correcting agent, 0.8% ~ 1.5% engineering staple fibre, the fibrous mesh cloth of 0.1% ~ 1.0% and the water of 35% ~ 50%.
As the further improvement of above-mentioned embodiment, it is the whipping agent of 0.1% ~ 1.0% that the raw material of described anti-fire door core board also comprises quality than per-cent.
Correspondingly, the present invention also provides a kind of preparation method of anti-fire door core board, comprising:
Take each raw material according to proportioning to get the raw materials ready, wherein, each raw material comprise mass percent be 20% ~ 30% magnesium oxide, 20% ~ 30% magnesium chloride, 4% ~ 6% properties-correcting agent, 0.8% ~ 1.5% engineering staple fibre, the fibrous mesh cloth of 0.1% ~ 1.0% and the water of 35% ~ 50%;
Described magnesium oxide, magnesium chloride, properties-correcting agent, engineering staple fibre and water are uniformly mixed, obtain mixture;
Described mixture is poured in mould, leaves standstill and make its curing molding;
Before described mixture leaves standstill curing molding, described fibrous mesh cloth tiling is added in described mixture;
Carry out the demoulding after described mixture solidified is shaping, obtain shaping anti-fire door core board;
With flatting mill, described shaping anti-fire door core board is flattened, obtain finished product anti-fire door core board.
As the further improvement of above-mentioned embodiment, describedly described magnesium oxide, magnesium chloride, properties-correcting agent, engineering staple fibre and water to be uniformly mixed, the step obtaining mixture can be divided into two steps to carry out, and comprising:
Described magnesium oxide, magnesium chloride and water are added in stirrer, high-speed stirring;
Add described properties-correcting agent and engineering staple fibre again, continue high-speed stirring, obtain mixture.
As the further improvement of above-mentioned embodiment, described, described magnesium oxide, magnesium chloride, properties-correcting agent, engineering staple fibre and water are uniformly mixed, after obtaining the step of mixture, also comprise: in described mixture, add whipping agent, and be uniformly mixed, wherein, the weight percent of described whipping agent is 0.1% ~ 1.0%.
The invention has the beneficial effects as follows: batching is few, preparation is simple, obtained finished product light weight, do not fire, non-toxic and non-radioactive, to human body and environmentally friendly, bend resistance ability is strong, and sound-insulating and heat-insulating is effective, its temperatures as high of resistance to combustion 1000 DEG C, unit weight 240-350kg/m
3, ultimate compression strength 2.5 ~ 6MPa, the wet rate of rising≤0.25mm/m, thermal conductivity≤0.035 ~ 0.045W/(mK), sound absorption coefficient 0.03 ~ 0.8, standard compliant specified requirement.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope that the present invention protects.
The invention provides a kind of anti-fire door core board, its raw material comprise mass percent be 20% ~ 30% magnesium oxide, 20% ~ 30% magnesium chloride, 4% ~ 6% properties-correcting agent, 0.8% ~ 1.5% engineering staple fibre, the fibrous mesh cloth of 0.1% ~ 1.0% and the water of 35% ~ 50%.
Wherein, what described properties-correcting agent adopted is composite modifier.
As the further improvement of above-mentioned embodiment, it is the whipping agent of 0.1% ~ 1.0% that the raw material of described anti-fire door core board also comprises quality than per-cent.
Correspondingly, the present invention also provides the preparation method of above-mentioned anti-fire door core board, comprising:
A, take each raw material according to proportioning and get the raw materials ready, wherein, each raw material comprise mass percent be 20% ~ 30% magnesium oxide, 20% ~ 30% magnesium chloride, 4% ~ 6% properties-correcting agent, 0.8% ~ 1.5% engineering staple fibre, the fibrous mesh cloth of 0.1% ~ 1.0%, the whipping agent of 0.1% ~ 1.0% and 35% ~ 50% water;
B, described magnesium oxide, magnesium chloride, properties-correcting agent, engineering staple fibre and water to be uniformly mixed, to obtain mixture;
C, in described mixture, add described whipping agent, and be uniformly mixed;
D, described mixture is poured in mould, leave standstill and make its curing molding;
E, before described mixture leaves standstill curing molding, the tiling of described fibrous mesh cloth is added in described mixture;
Carry out the demoulding after f, described mixture solidified are shaping, obtain shaping anti-fire door core board;
G, with flatting mill, described shaping anti-fire door core board to be flattened, obtain finished product anti-fire door core board.
In whipping process, it should be noted that and observe the dry wet of material, the control of water level and material reaction speed situation, dry wetting according to material determines amount of water, namely controlling water level is carried out according to the dry wet degree of material, according to material reaction speed status adjustment stir speed (S.S.) and churning time, the expansion ratio of material during discharging, to be surveyed, reach the just discharging of setting expansion ratio scope.Before described mixture pours mould into, non-woven fabrics should be laid in the mold, be convenient to the demoulding.Described fibrous mesh cloth can be got the raw materials ready according to the shape size of mould, its size can be slightly less than the size of mould, in order to strengthen the bend resistance ability of anti-fire door core board, the even more multi-layered fibrous mesh cloth of bilayer can be added, and should press described fibrous mesh cloth is inserted in described mixture, instead of described mixture surface is located in described fibrous mesh cloth tiling.Obtained finished product anti-fire door core board can by smooth for its surface finish, and after being placed in adapt circumstance maintenance for some time, packaging is dispatched from the factory again.
Embodiment 1
The present embodiment is a kind of anti-fire door core board, its raw material comprise weight percent be 25.9% magnesium oxide, 25.9% magnesium chloride, 5.2% properties-correcting agent, 1.0% engineering staple fibre, the fibrous mesh cloth of 0.5% and the water of 41.5%.
The preparation method of described anti-fire door core board comprises:
A, take each raw material according to proportioning and get the raw materials ready, wherein, each raw material comprise weight percent be 25.9% magnesium oxide, 25.9% magnesium chloride, 5.2% properties-correcting agent, 1.0% engineering staple fibre, the fibrous mesh cloth of 0.5% and the water of 41.5%;
Particularly, the weight of each raw material is as follows: magnesium oxide 12.5kg, magnesium chloride 12.5kg, properties-correcting agent 2.5kg, engineering staple fibre 0.5kg, fibrous mesh cloth 1.56m
2with water 20kg, wherein said fibrous mesh cloth is got the raw materials ready according to the shape size of mould, and it is converted to quality and is about 0.2kg.
B, add in stirrer by described magnesium oxide, magnesium chloride and water, high-speed stirring 5 minutes, obtains mixture A;
C, in described mixture A, add described properties-correcting agent and engineering staple fibre again, continue high-speed stirring 5 minutes, obtain mixture B;
D, described mixture B is poured in mould, leave standstill 4 hours in the envrionment temperature more than 20 DEG C, make its curing molding;
E, add in described mixture B by the tiling of described fibrous mesh cloth before described mixture B leaves standstill curing molding, pressing makes described fibrous mesh cloth be inserted in described mixture B;
Carry out the demoulding after f, described mixture B curing molding, obtain shaping anti-fire door core board;
G, with 350 tons of flatting milles, described shaping anti-fire door core board to be flattened, obtain finished product anti-fire door core board.
Embodiment 2
The present embodiment is a kind of anti-fire door core board, its raw material comprise weight percent be 25.8% magnesium oxide, 25.8% magnesium chloride, 5.2% properties-correcting agent, 1.0% engineering staple fibre, the fibrous mesh cloth of 0.4%, the whipping agent of 0.4% and 41.3% water.
The preparation method of described anti-fire door core board comprises:
A, take each raw material according to proportioning and get the raw materials ready, wherein, each raw material comprise weight percent be 25.8% magnesium oxide, 25.8% magnesium chloride, 5.2% properties-correcting agent, 1.0% engineering staple fibre, the fibrous mesh cloth of 0.4%, the whipping agent of 0.4% and 41.3% water;
Particularly, the weight of each raw material is as follows: magnesium oxide 12.5kg, magnesium chloride 12.5kg, properties-correcting agent 2.5kg, engineering staple fibre 0.5kg, fibrous mesh cloth 1.56m
2, whipping agent 0.2kg and water 20kg, wherein said fibrous mesh cloth is got the raw materials ready according to the shape size of mould, and it is converted to quality and is about 0.2kg.
B, add in stirrer by described magnesium oxide, magnesium chloride and water, high-speed stirring 8 minutes, obtains mixture A;
C, in described mixture A, add described properties-correcting agent and engineering staple fibre again, continue high-speed stirring 8 minutes, obtain mixture B;
D, in described mixture B, add described whipping agent, and be uniformly mixed, churning time is 10 minutes, obtains mixture C, and wherein, described whipping agent joins in described mixture B after needing first to make foam by high pressure foaming machine again;
E, described mixture C is poured in mould, leave standstill 5 hours in the envrionment temperature more than 20 DEG C, make its curing molding;
F, add in described mixture C by the tiling of described fibrous mesh cloth before described mixture C leaves standstill curing molding, pressing makes described fibrous mesh cloth be inserted in described mixture C;
Carry out the demoulding after g, described mixture C curing molding, obtain shaping anti-fire door core board;
H, with 350 tons of flatting milles, described shaping anti-fire door core board to be flattened, obtain finished product anti-fire door core board.
Embodiment 3
The present embodiment is a kind of anti-fire door core board, its raw material comprise weight percent be 25.7% magnesium oxide, 25.7% magnesium chloride, 5.1% properties-correcting agent, 1.0% engineering staple fibre, the fibrous mesh cloth of 0.8%, the whipping agent of 0.4% and 41.1% water.
The preparation method of described anti-fire door core board comprises:
A, take each raw material according to proportioning and get the raw materials ready, its raw material comprise weight percent be 25.7% magnesium oxide, 25.7% magnesium chloride, 5.1% properties-correcting agent, 1.0% engineering staple fibre, the fibrous mesh cloth of 0.8%, the whipping agent of 0.4% and 41.1% water;
Particularly, the weight of each raw material is as follows: magnesium oxide 12.5kg, magnesium chloride 12.5kg, properties-correcting agent 2.5kg, engineering staple fibre 0.5kg, fibrous mesh cloth 3.12m
2, whipping agent 0.2kg and water 20kg, wherein said fibrous mesh cloth is got the raw materials ready according to the shape size of mould, prepares the fibrous mesh cloth that two piece sizes are consistent, be converted to quality gross weight and be about 0.4kg.
B, add in stirrer by described magnesium oxide, magnesium chloride and water, high-speed stirring 8 minutes, obtains mixture A;
C, in described mixture A, add described properties-correcting agent and engineering staple fibre again, continue high-speed stirring 8 minutes, obtain mixture B;
D, in described mixture B, add described whipping agent, and be uniformly mixed, churning time is 10 minutes, obtains mixture C, and wherein, described whipping agent joins in described mixture B after needing first to make foam by high pressure foaming machine again;
E, described mixture C is poured in mould, leave standstill 5 hours in the envrionment temperature more than 20 DEG C, make its curing molding;
F, add in described mixture C by the tiling of described fibrous mesh cloth before described mixture C leaves standstill curing molding, pressing makes described fibrous mesh cloth be inserted in described mixture C;
Carry out the demoulding after g, described mixture C curing molding, obtain shaping anti-fire door core board;
H, with 400 tons of flatting milles, described shaping anti-fire door core board to be flattened, obtain finished product anti-fire door core board.
Finished product anti-fire door core board in embodiment 1 ~ 3 obtains after testing: resistance to combustion temperature can reach 1000 DEG C, unit weight 240-350kg/m
3, ultimate compression strength 2.5 ~ 6MPa, the wet rate of rising≤0.25mm/m, thermal conductivity≤0.035 ~ 0.045W/(mK), sound absorption coefficient 0.03 ~ 0.8, standard compliant specified requirement.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. an anti-fire door core board, is characterized in that, its raw material comprise mass percent be 20% ~ 30% magnesium oxide, 20% ~ 30% magnesium chloride, 4% ~ 6% properties-correcting agent, 0.8% ~ 1.5% engineering staple fibre, the fibrous mesh cloth of 0.1% ~ 1.0% and the water of 35% ~ 50%.
2. anti-fire door core board according to claim 1, is characterized in that, it is the whipping agent of 0.1% ~ 1.0% that the raw material of described anti-fire door core board also comprises quality than per-cent.
3. a preparation method for anti-fire door core board, is characterized in that, comprising:
Take each raw material according to proportioning to get the raw materials ready, wherein, each raw material comprise mass percent be 20% ~ 30% magnesium oxide, 20% ~ 30% magnesium chloride, 4% ~ 6% properties-correcting agent, 0.8% ~ 1.5% engineering staple fibre, the fibrous mesh cloth of 0.1% ~ 1.0% and the water of 35% ~ 50%;
Described magnesium oxide, magnesium chloride, properties-correcting agent, engineering staple fibre and water are uniformly mixed, obtain mixture;
Described mixture is poured in mould, leaves standstill and make its curing molding;
Before described mixture leaves standstill curing molding, described fibrous mesh cloth tiling is added in described mixture;
Carry out the demoulding after described mixture solidified is shaping, obtain shaping anti-fire door core board;
With flatting mill, described shaping anti-fire door core board is flattened, obtain finished product anti-fire door core board.
4. the preparation method of anti-fire door core board according to claim 3, is characterized in that, describedly described magnesium oxide, magnesium chloride, properties-correcting agent, engineering staple fibre and water is uniformly mixed, and the step obtaining mixture comprises:
Described magnesium oxide, magnesium chloride and water are added in stirrer, high-speed stirring;
Add described properties-correcting agent and engineering staple fibre again, continue high-speed stirring, obtain mixture.
5. the preparation method of anti-fire door core board according to claim 3, it is characterized in that, described, described magnesium oxide, magnesium chloride, properties-correcting agent, engineering staple fibre and water are uniformly mixed, after obtaining the step of mixture, also comprise: in described mixture, add whipping agent, and be uniformly mixed, wherein, the weight percent of described whipping agent is 0.1% ~ 1.0%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410312666.0A CN104803653A (en) | 2014-07-03 | 2014-07-03 | Fireproof door core plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410312666.0A CN104803653A (en) | 2014-07-03 | 2014-07-03 | Fireproof door core plate and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104803653A true CN104803653A (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410312666.0A Pending CN104803653A (en) | 2014-07-03 | 2014-07-03 | Fireproof door core plate and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105601210A (en) * | 2015-11-19 | 2016-05-25 | 江苏金鹏防火板业有限公司 | Composite aluminum oxide foamed door panel and manufacturing process thereof |
-
2014
- 2014-07-03 CN CN201410312666.0A patent/CN104803653A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105601210A (en) * | 2015-11-19 | 2016-05-25 | 江苏金鹏防火板业有限公司 | Composite aluminum oxide foamed door panel and manufacturing process thereof |
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Application publication date: 20150729 |