CN103089126A - Green fire door core and manufacturing method of same and fire door - Google Patents

Green fire door core and manufacturing method of same and fire door Download PDF

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Publication number
CN103089126A
CN103089126A CN2013100059903A CN201310005990A CN103089126A CN 103089126 A CN103089126 A CN 103089126A CN 2013100059903 A CN2013100059903 A CN 2013100059903A CN 201310005990 A CN201310005990 A CN 201310005990A CN 103089126 A CN103089126 A CN 103089126A
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door core
fire prevention
green
door
fire
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CN2013100059903A
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Chinese (zh)
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CN103089126B (en
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邝钜炽
伍容秀
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邝钜炽
梁志昌
佛山市科成先进防火材料科技有限公司
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Abstract

The invention discloses a green fire door core, a manufacturing method of the green fire door core and a fire door. By quality percent, the preparation materials of the green fire door core comprise magnesium oxide 15-40%, magnesium salt 15-35%, vesicant 0.5-5%, glass fiber 1.5-5%, assistant 2-10%, perlite composition 16-30%, and water 20-45%. Door core slurry can be directly filled into a door core frame, gaps and filling dead angles do not exist in the door core frame, the whole function of fire resistance and heat insulation is improved, and the door core is in accordance with A1 level fire protection standard of GB8624-2006. The door core can be relatively strong bound to a wood door panel and steel door pane, and glue is not needed or just a little. Bond strength can be kept still in the oxidation burning atmosphere of 750-1000 DEG c. Due to the fact that chloride does not overflow out of the surface of the door core, the capacity of rust resistance of the steel door panel is greatly improved. The door core has the advantages of preventing a wood door from mildewing, can not release hydrochloric acid (HCL) toxic cloud in the burning atmosphere and is green and environment-friendly.

Description

A kind of green fire prevention door core and manufacture method and labeled door

Technical field

The present invention relates to fire-proof light (foaming) Material Field, relate in particular to a kind of exempting from and reach with PLASTIC LAMINATED high-performance green fire prevention door core and manufacture method and the labeled door of significantly saving glue.

Background technology

In prior art, door core as the labeled door fireproof filling material is made by four kinds of materials, a kind of is the aluminium silicate wool plate, need high temperature sintering system cotton in its manufacturing process, have the defective of highly energy-consuming and contaminated environment, particularly its sheet material is by the organic adhesive moulding of adding, and is not only non-watertight, its bonding agent is met fire and is produced a large amount of harmful smog, and use has been under an embargo.The second is pearlite slab, although the insulated fire better performances, intensity is very poor, have data show its transportation and installation process in breakage rate up to more than 30%, not only increased use cost, its frangible defective also affects fire prevention, insulation and the soundproof effect of this sheet material.Another kind is vermiculate fireproof plates, and not only there is the frangible defective of similar pearlite slab in this sheet material, also exists non-light weight, complex process, price higher than the practical problem of aforementioned two kinds of sheet materials.The 4th kind is now general magnesite (perlite) foamed fireproofing door core material (claiming again inorganic foamed door core material), although plant all light weights than first three, easy to use, yet exist equally fire insulation performance relatively poor, the drawback of fire-resistant intensity difference (easily decomposing more than 455 ℃) can't reach the A1 level fire-protection standard requirement of GB8624-2006 at all.

And, when fire-proof wooden door and the manufacturing of part fire resistance steel door, due to existing foaming doors core mechanical strength and fire-resistant insufficient strength, need install PLASTIC LAMINATED additional.Simultaneously, must use more organic gel (being commonly called as glue) to be connected between door core and door face board, increase cost.But in prior art, best organic gel is also entirely ineffective more than 350 ℃.

Therefore, prior art has yet to be improved and developed.

Summary of the invention

In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide and a kind ofly exempt from PLASTIC LAMINATED and significantly save high-performance green fire prevention door core and manufacture method and the labeled door of glue, be intended to solve the problems such as the poor and bad mechanical strength of existing fire-resistant door core fire insulation performance.

Technical scheme of the present invention is as follows:

A kind of green fire prevention door core, wherein, the raw materials of described green fire prevention door core (being called for short green fire prevention door core raw material) by mass percentage, comprises following component:

Magnesia 15-45%;

Magnesium salts 15-35%;

Blowing agent 0.5-5%;

Glass fiber 1.5-5%;

Auxiliary agent 2-10%;

Perlite combination 16-30%;

Water 20-45%.

Described green fire prevention door core raw material, wherein, the magnesium salts in described green fire prevention door core raw material is that magnesium chloride is or/and magnesium sulfate; Wherein, when described magnesium salts was magnesium chloride and magnesium sulfate composition, the mass ratio of described magnesium chloride and magnesium sulfate was 4-10:1.

Described green fire prevention door core raw material, wherein, the diameter of the glass fiber in described green fire prevention door core raw material is 1-8mm.

Described green fire prevention door core raw material, wherein, the auxiliary agent in described green fire prevention door core raw material is silicate of soda, cataloid, polysulfide, alkali metal or alkaline earth metal carbonate, iron, the combination of one or several in aluminium salt; When described auxiliary agent coexisted for both or above material, material was by quality equal distribution ratio.

Described green fire prevention door core raw material, wherein, the perlite in described green fire prevention door core raw material is combined as perlite and filler by the combination of 5:1 mass ratio; Described filler comprises one or both the combination in calcined kaolin, swell soil, French chalk, quartz powder; When described filler was comprised of bi-material, material 1-3:1 in mass ratio coordinated.

Described green fire prevention door core raw material, wherein, the blowing agent in described green fire prevention door core raw material is comprised of the compound organic or inorganic oxide of sulfonic acid.

A kind of preparation method of green fire prevention door core as above, wherein, specifically order is carried out according to the following steps:

Magnesium salts is put into mixer to be dissolved in water;

Add magnesia, glass fiber and auxiliary agent, fully stir lower reaction 8-15 minute;

Blowing agent is added mixer, uniform stirring foaming 5-12 minute;

Mixer is put in perlite combination, and to be stirred to slurry volume stable, obtains the paste slurry;

The paste slurry is filled in the fire-resistant door core frame;

Preliminary sclerosis in natural curing 8-12 hour under interior temperature 20-40 ℃, the condition of relative air humidity 40-80%;

Continue maintenance 5~10 days under interior temperature 20-40 ℃, the condition of relative air humidity 40-80%.

A kind of labeled door, wherein, described labeled door comprises a core frame and green fire prevention door core as above, described green fire prevention Men Xin is filled in described door core frame.

Described labeled door, wherein, described door core frame is wooden or steel door core frame.

Beneficial effect: green fire prevention door core provided by the present invention, door core slurry can directly be filled a core frame, makes tight and filling dead angle in a core frame, has improved the refractory heat-insulating allomeric function, meets the A1 level fire-protection standard of GB8624-2006; With wooden, steel door panel, stronger adhesive power is arranged all, need not glue or also can be firmly bonding with door face board and door core frame with a small amount of glue, and still can keep suitable bond strength in 750-1000 ℃ of oxidizing fire atmosphere.Compared with prior art, not only exempted existing wooden and PLASTIC LAMINATED that part fire resistance steel door foaming doors core will install additional, also can significantly save glue 50% and more than, greatly reduce cost of production; And overcome existing magnesite fire-proof door wicking surface easily dissociate the drawback of chlorion, greatly improved the rust-proofing ability of steel door panel; Compared with prior art, also has the advantage that the inhibition wooden door goes mouldy; Can not discharge HCl poison mist in combustion atmosphere, environmental protection.

The specific embodiment

The invention provides a kind of green fire prevention door core and manufacture method and labeled door, clearer, clear and definite for making purpose of the present invention, technical scheme and effect, below the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.

The invention discloses and a kind ofly exempt from PLASTIC LAMINATED and can significantly reduce the high-performance green fire prevention door core that organic gel is used, the raw materials of described green fire prevention door core (referred to as green fire prevention door core), (w%) by mass percentage comprises following component:

Magnesia 15-45%;

Magnesium salts 15-35%;

Blowing agent 0.5-5%;

Glass fiber 1.5-5%;

Auxiliary agent 2-10%;

Perlite combination 16-30%;

Water 20-45%.

Wherein, the magnesium salts in described green fire prevention door core raw material is that magnesium chloride is or/and magnesium sulfate; When described magnesium salts was magnesium chloride and magnesium sulfate, the mass ratio of described magnesium chloride and magnesium sulfate was 4-10:1.

The diameter of the glass fiber in described green fire prevention door core raw material is 1-8mm.

Auxiliary agent in described green fire prevention door core raw material is silicate of soda, cataloid, polysulfide, alkali metal or alkaline earth metal carbonate, iron, the combination of one or several in aluminium salt; When both or above material coexisted, material was by quality equal distribution ratio.Wherein, described polysulfide can for as two-uncle's dodecyl pentasulfide, two uncle's nonyl polysulfides etc. in a kind of.Described alkali metal or alkali-metal carbonate can be for as sodium carbonate, potash, calcium carbonate, strontium carbonate, magnesium carbonate etc.Described aluminium salt can be aluminium chloride, aluminum sulfate, aluminum nitrate, alumina silicate, aluminium sulfide etc.Perlite in described green fire prevention door core raw material is combined as perlite and filler by the combination of 5:1 mass ratio.Described filler comprises one or both the combination in calcined kaolin, swell soil, French chalk, quartz powder; 1-3:1 coordinates in mass ratio when being comprised of bi-material in filler.Blowing agent in described green fire prevention door core raw material is comprised of the compound organic or inorganic oxide of sulfonic acid.

The preparation method of described green fire prevention door core also is provided in the present invention, and specifically order is carried out according to the following steps:

Magnesium salts is put into mixer to be dissolved in water;

Add magnesia, glass fiber and auxiliary agent, fully stirred lower normal-temperature reaction 8-15 minute;

Blowing agent is added mixer, uniform stirring foaming 5-12 minute (depending on required unit weight, the door-plate desired strength is high, and unit weight is high, and foamed time is short; The door-plate desired strength is lower, and unit weight is lower, and foamed time is long);

The mixer stirring is put in the perlite combination stablized to slurry volume in 2-8 minute, obtain the paste slurry;

The paste slurry is put in pre-prepd fire-resistant door core frame;

Preliminary sclerosis (in this time, fire-resistant door core should not be moved) in natural curing 8-12 hour under interior temperature 20-40 ℃, the condition of relative air humidity 40-80%;

Continue maintenance 5~10 days under interior temperature 20-40 ℃, the condition of relative air humidity 40-80%, fire-resistant door core can use.

A kind of labeled door also is provided in the present invention, and described labeled door comprises a core frame and described green fire prevention door core, and described green fire prevention Men Xin is filled in described door core frame.Described door core frame is wooden or steel doorframe.The unit weight of described fire-resistant door core can be 330 ~ 480 kg/m 3

Labeled door of the present invention, fire-resistant door core material and manufacture method thereof have following unique advantage:

(1) fire-resistant anti-burning, fire integrity can be good.Overcome existing magnesite (perlite) foaming doors core material (claiming again inorganic foamed door core material) chlorine oxygen magnesium crystalline solid non-refractory, hold labile critical defect more than 455 ℃ (in 750-1000 ℃ of oxidizing fire atmosphere, collapse 0.5 burn about hour), fire-resistant door core can be in 750-1000 ℃ of oxidizing fire atmosphere, and the sustained combustion time surpasses 1.5 hours, and still overall structure is complete.

(2) fire and heat endurance, the refractory heat-insulating performance is good.Labeled door can continue to carry on the back in 1.5 hours each electric thermo-couple temperature of fiery face and be stable between 60-85 ℃ in the regular fire inspection of official, presents very outstanding refractory heat-insulating performance.

(3) take the new mode of the meticulous foaming of normal pressure original position, the fire-resistant intensity of door core material is high.The mode that has replaced the free rough foaming of existing foaming agent pressurization in the mode of the meticulous foaming of normal pressure original position, each bubble of being sent out are that original position is sent and are only big or small for needle point, can not destroy the growth of young tender oxygen magnesium crystalline solid; And the bubble that existing foaming mode forms is much larger than needle point, and to add direct draught constantly free between chlorine oxygen magnesium crystalline solid skeleton, destroyed the growth skeleton of young tender chlorine oxygen magnesium crystalline solid.Thereby fire-resistant door core material intensity of the present invention or heat resistance are all more than existing far better.

(4) the door core slurries of manufacturing of the present invention all have stronger adhesive power with wooden, steel door panel, can significantly save more than glue 50% reaches; And still can keep certain bond strength (and best glue is higher than 350 ℃ of also total loss of adhesion power) in 750-1000 ℃ of oxidizing fire atmosphere.

(5) exempt PLASTIC LAMINATED, reduce costs.Exempted having PLASTIC LAMINATED wooden and that part fire resistance steel door foaming doors core will install additional now, greatly reduced cost of production (glue is worthwhile with saving, and reduces costs and can reach more than 35%).

(6) paste door core slurry can directly be filled a core frame, has stopped the filling dead angle, has improved the refractory heat-insulating allomeric function.Thereby can reach easily the A1 level fire-protection standard of GB8624-2006.

(7) the existing magnesite foaming doors wicking surface chlorion that unavoidably dissociates, thus contact steel plate causes rust corrosion, special plum rains or wet weather, the phenomenon of getting rusty is obvious especially.Fire-resistant door core of the present invention has overcome this defect, the surface chlorion that can not dissociate, thus can not cause the steel door surface oxidisation.

(8) due to the mechanism of having set up the anti-bacteria breeding, compared with prior art, have and suppress the advantage that wooden door goes mouldy.

(9) intensity is large.Overcome the loose tendency that existing foaming doors core crab is needle-like crystal structure, formed the interspersed crystallization of wedge-type intersection in skeleton, greatly strengthened the intensity of foaming doors core crab.And reasonable disposition rigid backbone filler and flexible reinforced composition, further strengthened its hardness and fracture resistance (the clear and melodious sound that knocks imitative metal after sclerosis is exactly clear proof).

(10) moulding rate of hardening is than existing foaming doors core faster (i.e. preliminary sclerosis about 10 hours), and hardened surface is compact film structure (the general foaming doors wicking surface in existing market is loose foaming surface layer structure), thereby has greatly improved the moistureproof and waterproof performance of door core.

(11) the nontoxic mist of burning pollutes.Existing magnesite foaming doors core burning unavoidably decomposites some hydrogen chloride that people and animals are harmful to (HCl) gases, runs into moisture laden air and easily forms corrosive hydrochloric acid acid mist, contaminated environment; And fire-resistant door core material of the present invention has been stopped the possibility that hydrogen chloride (HCl) gas is emitted in burning, is a kind of environmental protection new material.

The invention will be further described by the following examples.

Embodiment 1:

Fire-resistant door core is made according to the following steps:

1, magnesium salts (magnesium chloride and magnesium sulfate, mass ratio are 5:1) 25kg is put into mixer and add water 30kg dissolving;

2, add magnesia (MgO activity composition 65% ± 2, fineness 200 orders, purity 85%) 40kg, glass fiber (diameter is 1.5mm) 5kg and auxiliary agent (silicate of soda, cataloid mass ratio are 1:1) 4.5kg fully stirred lower normal-temperature reaction 10 minutes;

3, blowing agent 1kg is added mixer, uniform stirring foaming 10 minutes;

4, perlite being made up (perlite and packing quality are than being 5:1, and wherein filler is calcined kaolin and the swell soil of mass ratio 1:1) 23kg puts into mixer stir about 8 minutes to slurry volume and stabilizes to terminal point;

5, the paste slurry that stirs is put in pre-prepd fire resistance steel door core frame;

6, natural curing preliminary sclerosis (in this time, labeled door should not be moved) in 8 hours under the condition of 22 ℃ of interior temperatures, relative air humidity 55%;

7, continue maintenance 5 days under the condition of 25 ℃ of interior temperatures, relative air humidity 60%, fire-resistant door core can use.

Fire-resistant door core unit weight 375 kg/m of embodiment 1 3, compressive strength 〉=1.2MPa, fire prevention Al grade standard, coefficient of thermal conductivity 0.6 W/m 2K, dry≤0.38 mm/m that shrinks.

Embodiment 2:

Fire-resistant door core is made according to the following steps:

1, magnesium salts (magnesium chloride and magnesium sulfate, mass ratio are 4:1) 33kg is put into mixer and add water 40kg dissolving;

2, add magnesia (MgO activity composition 65% ± 2, fineness 200 orders, purity 85%) 45kg, glass fiber (diameter is 3mm) 5kg and auxiliary agent (aluminium chloride, calcium carbonate, two uncle's nonyl polysulfide mass ratioes are 1:1:1) 4kg fully stirred lower normal-temperature reaction 12 minutes;

3, blowing agent 1.5 kg are added mixer, uniform stirring foaming 8 minutes;

4, perlite being made up (perlite and packing quality are than being 5:1, and wherein filler is French chalk) 26.5kg puts into mixer and stirs and stabilized to terminal point to slurry volume in 5-8 minute;

5, the paste slurry that stirs is put in pre-prepd fire-proof wooden door core frame;

6, preliminary sclerosis (in this time, labeled door should not be moved) in natural curing 8-12 hour under the condition of 30 ℃ of interior temperatures, relative air humidity 75%;

7, continue maintenance 7 days under the condition of 32 ℃ of interior temperatures, relative air humidity 68%, fire-resistant door core can use.

Fire-resistant door core unit weight 380 kg/m of embodiment 2 3, compressive strength 〉=1.3MPa, fire prevention Al grade standard, coefficient of thermal conductivity 0.6 W/m 2K, dry≤0.36 mm/m that shrinks.

The central layer slurries of embodiment 1 ~ 2 gained and wooden, steel panel all have stronger adhesive power, compare with existing labeled door, can significantly save glue 50% and more than.And still can keep suitable bond strength in 750-1000 ℃ of oxidizing fire atmosphere.The labeled door production of embodiment 1 ~ 2 gained is easy, a paste door core slurry filling door core frame, and in door core frame, tight and filling dead angle, improved the refractory heat-insulating allomeric function, meets the A1 level fire-protection standard of GB8624-2006.

The labeled door of embodiment 1 ~ 2 gained is placed in 750-1000 ℃ of oxidizing fire atmosphere, the sustained combustion time was over 1.5 hours, the overall structure of two labeled doors is still complete, and unexposed surface temperature still is stable at 50-70 ℃ [under equal conditions, existing general magnesite (perlite) foaming doors core burning was namely collapsed in about 0.5 hour fully, and unexposed surface temperature also soars to more than 140-160 ℃ for a long time].Simultaneously, two labeled doors all do not discharge HCl poison mist, environmental protection in combustion atmosphere.

Embodiment 3:

Fire-resistant door core is made according to the following steps:

1, magnesium salts (magnesium sulfate) 30kg is put into mixer and add water 23kg dissolving;

2, add magnesia (MgO activity composition 65% ± 2, fineness 200 orders, purity 85%) 22kg, glass fiber (diameter is 5mm) 1kg and auxiliary agent (silicate of soda, the mass ratio of aluminium chloride and iron are 1:1:1) 5 kg fully stirred lower normal-temperature reaction 8-15 minute;

3, blowing agent 1kg is added mixer, uniform stirring foaming 10 minutes;

4, perlite being made up (perlite and packing quality are than being 5:1, and filler is French chalk and the quartz powder of mass ratio 3:1) 18kg puts into mixer and stirs and stabilized to terminal point to slurry volume in 5-8 minute;

5, the paste slurry that stirs is put in pre-prepd fire resistance steel door core frame;

6, natural curing preliminary sclerosis (in this time, fire-resistant door core should not be moved) in 12 hours under the condition of 23 ℃ of interior temperatures, relative air humidity 70%;

7, continue maintenance 7 days under the condition of 24 ℃ of interior temperatures, relative air humidity 60%, fire-resistant door core can use.

Fire-resistant door core unit weight 435 kg/m of embodiment 3 3, compressive strength 〉=1.0MPa, fire prevention Al grade standard, coefficient of thermal conductivity 0.6 W/m 2K, dry≤0.38 mm/m that shrinks.

Embodiment 4:

Fire-resistant door core is made according to the following steps:

1, magnesium salts (magnesium chloride) 25kg is put into mixer and add water 23.5kg dissolving;

2, add magnesia (MgO activity composition 65% ± 2, fineness 200 orders, purity 85%) 23kg, glass fiber (diameter is 3-6mm) 2kg and auxiliary agent (sodium carbonate, cataloid, the aluminum sulfate mass ratio is 1:1:1) 8 kg, fully stirred lower normal-temperature reaction 8-15 minute;

3, blowing agent 2.5 kg are added mixer, uniform stirring foaming 8 minutes;

4, perlite being made up (perlite and packing quality are than being 5:1, and filler is swell soil) 16kg puts into mixer and stirs and stabilized to terminal point to slurry volume in 5-8 minute;

5, the paste slurry that stirs is put in pre-prepd fire-proof wooden door core frame;

6, natural curing preliminary sclerosis (in this time, fire-resistant door core should not be moved) in 12 hours under the condition of 25 ℃ of interior temperatures, relative air humidity 50%;

7, continue maintenance 10 days under the condition of 27 ℃ of interior temperatures, relative air humidity 45%, fire-resistant door core can use.

Fire-resistant door core unit weight 380 kg/m of embodiment 4 3, compressive strength 〉=1.3MPa, fire prevention Al grade standard, coefficient of thermal conductivity 0.6 W/m 2K, dry≤0.36 mm/m that shrinks.

The central layer slurries of embodiment 3 ~ 4 gained and wooden, steel panel all have stronger adhesive power, compare with existing labeled door, can significantly save glue 50% and more than.And still can keep certain bond strength in 750-1000 ℃ of oxidizing fire atmosphere.The labeled door production of embodiment 3 ~ 4 gained is easy, a paste door core slurry filling door core, and in door core frame, tight and filling dead angle, improved the refractory heat-insulating allomeric function, meets the A1 level fire-protection standard of GB8624-2006.

The labeled door of embodiment 3 ~ 4 gained is placed in 750-1000 ℃ of oxidizing fire atmosphere, the sustained combustion time was over 1.5 hours, the overall structure of two labeled doors is still complete, and unexposed surface temperature still is stable at 50-70 ℃ [under equal conditions, existing general magnesite (perlite) foaming doors core burning was namely collapsed in about 0.5 hour fully, and unexposed surface temperature also soars to more than 140-160 ℃ for a long time].Simultaneously, two labeled doors all do not discharge HCl poison mist, environmental protection in combustion atmosphere.

Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or conversion, and all these improve and conversion all should belong to the protection domain of claims of the present invention.

Claims (9)

1. a green fire prevention door core, is characterized in that, described green fire prevention door core raw material comprises following component by mass percentage:
Magnesia 15-45%;
Magnesium salts 15-35%;
Blowing agent 0.5-5%;
Glass fiber 2-5%;
Auxiliary agent 1.5-10%;
Perlite combination 16-30%;
Water 20-45%.
2. green fire prevention door core according to claim 1, is characterized in that, the magnesium salts in described green fire prevention door core raw material is that magnesium chloride is or/and magnesium sulfate; Wherein, when described magnesium salts was magnesium chloride and magnesium sulfate composition, the mass ratio of described magnesium chloride and magnesium sulfate was 4-10:1.
3. green fire prevention door core according to claim 1, is characterized in that, the diameter of the glass fiber in described green fire prevention door core raw material is 1-8mm.
4. green fire prevention door core according to claim 1, is characterized in that, the auxiliary agent in described green fire prevention door core raw material is silicate of soda, cataloid, polysulfide, alkali metal or alkaline earth metal carbonate, iron, the combination of one or several in aluminium salt; When described auxiliary agent coexisted for both or above material, material was by quality equal distribution ratio.
5. green fire prevention door core according to claim 1, is characterized in that, the perlite in described green fire prevention door core raw material is combined as perlite and filler by the combination of 5:1 mass ratio; Described filler comprises one or both the combination in calcined kaolin, swell soil, French chalk, quartz powder; When described filler was comprised of bi-material, material 1-3:1 in mass ratio coordinated.
6. green fire prevention door core according to claim 1, is characterized in that, the blowing agent in described green fire prevention door core raw material is comprised of the compound organic or inorganic oxide of sulfonic acid.
7. the preparation method of a green fire prevention door core as claimed in claim 1, is characterized in that, specifically order is carried out according to the following steps:
Magnesium salts is put into mixer to be dissolved in water;
Add magnesia, glass fiber and auxiliary agent, fully stir lower reaction 8-15 minute;
Blowing agent is added mixer, uniform stirring foaming 5-12 minute;
Mixer is put in perlite combination, and to be stirred to slurry volume stable, obtains the paste slurry;
The paste slurry is filled in the fire-resistant door core frame;
Preliminary sclerosis in natural curing 8-12 hour under interior temperature 20-40 ℃, the condition of relative air humidity 40-80%;
Continue maintenance 5~10 days under interior temperature 20-40 ℃, the condition of relative air humidity 40-80%.
8. a labeled door, is characterized in that, described labeled door comprises a core frame and green fire prevention door core as claimed in claim 1, and described green fire prevention Men Xin is filled in described door core frame.
9. labeled door according to claim 8, is characterized in that, described door core frame is wooden or steel door core frame.
CN201310005990.3A 2013-01-08 2013-01-08 Green fire door core and manufacturing method of same and fire door CN103089126B (en)

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CN104030724A (en) * 2014-06-06 2014-09-10 山东省建筑科学研究院 Sulfur-oxygen-magnesium gelling material fire door core board and manufacture method thereof
CN104261792A (en) * 2014-09-26 2015-01-07 重庆远东门窗有限公司 Core filling material for fire door and application of core filling material
CN104446316A (en) * 2014-11-05 2015-03-25 长春金泰和防火材料有限公司 Fireproof door core board material, fireproof door core board and manufacturing methods thereof
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CN106193932A (en) * 2016-08-01 2016-12-07 陆坤 A kind of aluminum alloy sound insulation door
CN106193958A (en) * 2016-08-01 2016-12-07 陆坤 A kind of preparation method of aluminum alloy sound insulation door
CN106088966A (en) * 2016-08-01 2016-11-09 陆坤 A kind of titanium alloy soundproof door
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CN107269189A (en) * 2017-07-27 2017-10-20 王婷 A kind of fire resistant doorsets
CN107288510A (en) * 2017-07-27 2017-10-24 王婷 A kind of door
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