CN108383420A - A kind of high-performance fire-resistant door panel material and preparation method thereof - Google Patents
A kind of high-performance fire-resistant door panel material and preparation method thereof Download PDFInfo
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- 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
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- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
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Abstract
The invention discloses a kind of high-performance fire-resistant door panel materials and preparation method thereof, are related to fire resistant doorsets field of material technology, which includes following raw material：Bauxite, modified sodalite powder, flyash, active nano barium sulfate, shale pottery, brucite fiber, enhanced adhesive, foaming agent, coupling agent and nanoscale infrared light screening agent.Preparation method be by the pretreatment of raw material, mixing, injection molding, solidification and maintenance and etc. it is obtained.The fire-resistant door core plank of the present invention prepares simple and convenient, and production efficiency is high, and consistency is good, environmentally protective, has the excellent characteristics such as intensity height, fire-proof high-temperature resistant, heat preservation resistance sound, waterproof antidetonation, and service life is long, is widely used, securely and reliably, suitable popularization and application.
Description
Technical field
The present invention relates to fire resistant doorsets field of material technology, and in particular to a kind of high-performance fire-resistant door panel material and its preparation side
Method.
Background technology
Anti-fire door core board is a key raw material in Fireproof door structure, the quality of fire resistant doorsets performance, largely
On be decided by the performance and quality of door panel.But up to this point, the country is directed to the relevant criterion of anti-fire door core board still
Blank, manufacturing enterprise follow only《Fire resistant doorsets GB12955-2008》In to several of fire resistant doorsets packing material descriptions, remove material
Material must satisfy flammability non-ignitable (A1 grades) and two mandatory conditions of flue gas toxity AQ1, material need to meet environmental requirement, make
With outside degradation material, this, which makes door panel give birth to, is not provided to more materials and physical and chemical index, technic index explicitly
There is larger operable space in production enterprise in product standard and quality control standard, cause in industry product it is very different,
The phenomenon that adulterating generally existing.
Currently, the door core material that can substantially meet fire resistant doorsets quality and manufacturing technique requirent is mainly the following：
One, expanded perlite plank selects Conventional insulation expanded perlite granule, by selecting gluing appropriate
Agent takes cold heat press high-pressure moulding process to be made, and by the adjustment of adhesive formulation and compression factor, can obtain good
Good heat-insulated and flashback performance, burning shrinkage rate and quality burn tinctuer are relatively low, are a kind of fire-resistant door core materials of better performances.But by
High in raw material transportation cost, supply is limited, and production technology is complicated in addition, is not easy to realize mechanization and pile line operation,
Production capacity is low, therefore in addition to some northern areas, most fire resistant doorsets enterprises are not widely used；
Two, magnesite fire-proof door panel, magnesite material are a kind of low-carbon environment-friendly, environmental-friendly inorganic material, excellent
Material property and processing performance make it have a wide range of applications in building materials field, include Dai Mu, Dai Shi of rising in recent years
The industries such as decoration and environmental type building, none be not using magnesite is high-strength, fire resisting, corrosion resistant, anti-mould and anti-moth, easy processing,
Pollution-free equal good characteristics.Magnesite material is added chemically or physically foaming agent and generates microvesicle, by mold or concora crush moulding process,
The light weight board that various specifications thickness differs is can be made into, density can reach fire resistant doorsets quality in 290~450 kilograms/cubic metre
And application requirement, domestic majority fire resistant doorsets manufacturing enterprise select it as fire-resistant door core material.Magnesite fire-proof door panel former material
Expect abundance, cheap, technology is relatively easily grasped, can be by mechanization flow line production, and energy production potential is big,
It is low to produce overall cost, is a kind of door core material of more most market prospects and competitiveness.But magnesite is appeared in for a long time
Quality problem on foaming door panel is concentrated mainly on the following aspects：(1) it returns halogen to get damp, corrosion door-plate；(2) plate body powder
Change, argillization, strength retrogression；(3) water imbibition is strong, and it is serious to eat glue, causes to be increased with glue cost, or even door-plate degumming hollowing occur；
(4) fire resistance is poor, and core material quality burn tinctuer is excessively high, causes fire resistant doorsets inspection that the requirement of fire resisting time limit is not achieved.It is therefore desirable to have
Necessity improves this.
Invention content
For problems of the prior art, the present invention provides a kind of high-performance fire-resistant door panel material and its preparation sides
Method, this kind of door panel material prepare simple and convenient, low production cost, have intensity height, fire-proof high-temperature resistant, heat preservation resistance sound, waterproof
The excellent characteristic such as antidetonation.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of high-performance fire-resistant door panel material, including following raw material by weight：40-50 parts of bauxite, modified sodium
25-35 parts of zeolite powder, 20-30 parts of flyash, 15-25 parts of active nano barium sulfate, 4-8 parts of shale pottery, brucite fiber 10-
1-3 parts of 20 parts, adhesive 15-25 parts enhanced, 3-5 parts of foaming agent, 2-4 parts of coupling agent and nanoscale infrared light screening agent；
Above-mentioned enhanced adhesive is made by following steps：
Step 1：Following component is weighed by weight：6-8 parts of cornstarch, 3-5 parts of guar gum, 2-3 parts of polyvinyl alcohol, N-
2-3 parts of 1-2 parts of hydroxymethyl acrylamide, 1-2 parts of dibutyl maleate, 0.3-0.5 parts of accelerating agent and water；
Step 2：Cornstarch, polyethylene alcohol and water are mixed, 75-85 DEG C is heated to and is gelatinized, keeps the temperature 15-25min；
Step 3：Guar gum is heated and softened, after addition dibutyl maleate stirs evenly, adds N- methylol propylene
Amide stirs 18-22min, speed of agitator 300-400r/min under the conditions of temperature is 64-68 DEG C；
Step 4：Material is made in step 2 and step 3 to mix, adds accelerating agent, is stirred under the conditions of temperature is 75-85 DEG C
Mix 30-40min to obtain the final product, speed of agitator is controlled in 300-400r/min.
Further, above-mentioned fire-resistant door core plank includes following raw material by weight：45 parts of bauxite, modified sodium
30 parts of zeolite powder, 25 parts of flyash, 20 parts of active nano barium sulfate, 6 parts of shale pottery, 15 parts of brucite fiber, enhanced glue
2 parts of 20 parts of stick, 4 parts of foaming agent, 3 parts of coupling agent and nanoscale infrared light screening agent.
Further, above-mentioned enhanced adhesive is made by following steps：
Step 1：Following component is weighed by weight：7 parts of cornstarch, 4 parts of guar gum, 2.5 parts of polyvinyl alcohol, N- hydroxyl first
2.5 parts of 1.5 parts of base acrylamide, 1.5 parts of dibutyl maleate, 0.4 part of accelerating agent and water；
Step 2：Cornstarch, polyethylene alcohol and water are mixed, 80 DEG C is heated to and is gelatinized, keeps the temperature 20min；
Step 3：Guar gum is heated and softened, after addition dibutyl maleate stirs evenly, adds N- methylol propylene
Amide stirs 20min, speed of agitator 350r/min under the conditions of temperature is 66 DEG C；
Step 4：Material is made in step 2 and step 3 to mix, adds accelerating agent, is stirred under the conditions of temperature is 80 DEG C
To obtain the final product, speed of agitator is controlled in 350r/min 35min.
Further, the preparation method of above-mentioned modification sodalite powder is：Sodalite raw material is taken, is ground small to grain size
In equal to 1mm, then it is placed in calcination process 60-70min in roaster, calcination temperature is 380-420 DEG C, and 40-60 is air-cooled to stove
DEG C when, the glycerin monostearate of amino silicane coupling agent KH-550 and 1-2% for being equivalent to sodalite quality 1-3% is added and fills
Point stir and evenly mix, be finally milled to fineness be 40-50 μm to obtain the final product.
Further, the preparation method of above-mentioned active nano barium sulfate is：By nano barium sulfate and it is equivalent to nano-sulfur
The amino silicane coupling agent KH-550 of sour barium quality 3-5% is delivered in blender, is blended under the conditions of being 55-65 DEG C in temperature
20-30min, speed of agitator 100-200r/min.
Preferably, it is 40-50 DEG C that above-mentioned foaming agent, which is by lauryl sodium sulfate, silicones polyethers lotion and temperature,
Deionized water is in mass ratio 3:1:Made from (14-16) mixing.
Preferably, above-mentioned coupling agent uses amino silicane coupling agent KH-550 or epoxy silane coupling KH-560
A kind of preparation method of above-mentioned high-performance fire-resistant door panel material, follows the steps below：
(1) raw material is weighed by the weight；
(2) shale pottery pickling ball milling：It takes raw material shale pottery to be placed in the hydrochloric acid solution of a concentration of 10-20% to impregnate
1.5-2.5h, then clear water wash to neutrality, be milled to after drying fineness be 80-100 μm；
(3) batch mixing：Bauxite, modified sodalite powder, flyash and active nano barium sulfate are delivered in blender and are mixed
Stirring 40-50min is closed, foaming agent is added, continues to stir 10-20min, remaining other raw materials are added later and stir 4-5h, institute
The speed of agitator for stating blender is 80-100r/min；
(4) injection molding conserves：After material injection molding is made in step (3), cure in the curing system that temperature is 180-220 DEG C
10-12min is handled, then is placed in maintenance processing 4-5 days in the fog room that temperature is 30-32 DEG C, humidity is 40-50%, is taken off later
Mould is placed in high temperature oven, is heated to 240-260 DEG C with the heating rate of 15-25 DEG C/min, heat preservation 3-4min obtains this hair
Bright high-performance fire-resistant door panel material.
The present invention has following advantageous effect：
(1) fire-resistant door core plank of the invention is prepared simple and convenient, and materials compatibility can be good, and rate of dispersion is fast, production effect
Rate is high, and application field is extensive, and securely and reliably, pollution-free in preparation process, no waste mine, without dust, plank abandons it, can simply process
It recycles, meets environmentally protective requirement；In addition, this kind of fire-resistant door core plank consistency is good, meet Ministry of Public Security's fire product
Requirement of the conformity assessment center about fire-proof product processing performance consistency；
(2) fire-resistant door core plank high temperature resistance of the invention is good, and fire-protection rating is high, overcomes existing magnesite (perlite)
The defect of foaming doors core material non-refractory, thermal shock performance is excellent, and strength retention is high, and knot can be kept under the conditions of >=1080 DEG C
Structure is 2-3 hours complete；
(3) fire-resistant door core plank of the invention, after finished product is made in solidification, plate surface can generate fine and close film layer knot
Structure can greatly improve the performances such as waterproof, fire prevention, the heat preservation resistance sound of plank；And it is all had with conventional wooden, steel door panel
Stronger adhesive force reduces later stage fire resistant doorsets production cost；
(4) fire-resistant door core plank of the invention solves fireproof door leaf inner core and fills periphery there are gap, leads to it not
It can heat-insulated, easily wear the problem of fire；Also solve moisture absorption that existing fire-resistant door core plank occurs, return halogen return it is white, mouldy, easily rotten
The problem of erosion, avoids it from the bad phenomenons such as dusting and argillization occur, has ensured the integrality of plate construction, avoids its corrosion door
Plate improves performance and the service life of plank；
(5) fire-resistant door core plank of the invention is by the improvement to the selection and technique that process raw material, using efficient foaming
Agent foams to plate so that has a large amount of closure micropores, skeleton structure stable and firm in finished product plate construction, on the one hand,
The density value of plank is reduced, transportation cost is reduced；On the other hand, the raw materials such as compatibility shale pottery, further increase plate
The resistance to compression of material, flexural strength, and there is excellent shock resistance, toughness and heat preservation and soundproof.
Specific implementation mode
The specific implementation mode of the present invention is further described with reference to embodiment, following embodiment is only used for more
Technical scheme of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Embodiment 1
A kind of high-performance fire-resistant door panel material, obtains following raw material：Bauxite 40kg, modified sodalite powder 25kg, fine coal
Grey 20kg, active nano barium sulfate 15kg, shale pottery 4kg, brucite fiber 10kg, enhanced adhesive 15kg, foaming agent
3kg, amino silicane coupling agent KH-5502kg and nanoscale infrared light screening agent 1kg；
The preparation of enhanced adhesive：
Step 1：Weigh following component：Cornstarch 6kg, guar gum 3kg, polyvinyl alcohol 2kg, N hydroxymethyl acrylamide
1kg, dibutyl maleate 1kg, accelerating agent 0.3kg and water 2kg；
Step 2：Cornstarch, polyethylene alcohol and water are mixed, 75 DEG C is heated to and is gelatinized, keeps the temperature 25min；
Step 3：Guar gum is heated and softened, after addition dibutyl maleate stirs evenly, adds N- methylol propylene
Amide stirs 22min, speed of agitator 300r/min under the conditions of temperature is 64 DEG C；
Step 4：Material is made in step 2 and step 3 to mix, adds accelerating agent, is stirred under the conditions of temperature is 75 DEG C
To obtain the final product, speed of agitator is controlled in 300r/min 40min.
The preparation of modified sodalite powder：Sodalite raw material 25kg is taken, grinds to grain size and is less than or equal to 1mm, then be placed in
Calcination process 60min in roaster, calcination temperature is 420 DEG C, and when being air-cooled to 40 DEG C with stove, the amino silane that 0.25kg is added is even
The glycerin monostearate of connection agent KH-550 and 0.25kg is sufficiently stirred mixing, be finally milled to fineness be 40 μm to obtain the final product.
The preparation of active nano barium sulfate：Take the amino silicane coupling agent KH-550 of nano barium sulfate 15kg and 0.35kg defeated
It send into blender, 30min, speed of agitator 100r/min is blended under the conditions of being 55 DEG C in temperature.
Wherein, above-mentioned foaming agent be by lauryl sodium sulfate, silicones polyethers lotion and temperature be 40 DEG C go from
Sub- water is in mass ratio 3:1:Made from 14 mixings.
A kind of preparation method of above-mentioned high-performance fire-resistant door panel material is as follows：
(1) shale pottery pickling ball milling：Raw material shale pottery 5kg is taken, is placed in a concentration of 10% hydrochloric acid solution and impregnates
2.5h, then clear water wash to neutrality, be milled to after drying fineness be 80 μm；
(2) batch mixing：Bauxite, modified sodalite powder, flyash and active nano barium sulfate are delivered in blender and are mixed
Stirring 40min is closed, foaming agent is added, continues to stir 10min, remaining other raw materials are added later and stir 4h, above-mentioned blender
Speed of agitator be 100r/min；
(3) injection molding conserves：After material injection molding is made in step (3), the curing process in the curing system that temperature is 180 DEG C
12min, then maintenance processing 5 days in the fog room that temperature is 30 DEG C, humidity is 40% are placed in, demoulding later is placed in high temperature oven
In, 240 DEG C are heated to the heating rate of 15 DEG C/min, heat preservation 4min obtains the high-performance fire-resistant door panel material of the present invention.
Embodiment 2
A kind of high-performance fire-resistant door panel material, obtains following raw material：Bauxite 45kg, modified sodalite powder 30kg, fine coal
Grey 25kg, active nano barium sulfate 20kg, shale pottery 6kg, brucite fiber 15kg, enhanced adhesive 20kg, foaming agent
4kg, epoxy silane coupling KH-5603kg and nanoscale infrared light screening agent 2kg；
The preparation of enhanced adhesive：
Step 1：Weigh following component：Cornstarch 7kg, guar gum 4kg, polyvinyl alcohol 2.5kg, N- methylol acryloyl
Amine 1.5kg, dibutyl maleate 1.5kg, accelerating agent 0.4kg and water 2.5kg；
Step 2：Cornstarch, polyethylene alcohol and water are mixed, 80 DEG C is heated to and is gelatinized, keeps the temperature 20min；
Step 3：Guar gum is heated and softened, after addition dibutyl maleate stirs evenly, adds N- methylol propylene
Amide stirs 20min, speed of agitator 350r/min under the conditions of temperature is 66 DEG C；
Step 4：Material is made in step 2 and step 3 to mix, adds accelerating agent, is stirred under the conditions of temperature is 80 DEG C
To obtain the final product, speed of agitator is controlled in 350r/min 35min.
The preparation of modified sodalite powder：Sodalite raw material 30kg is taken, grinds to grain size and is less than or equal to 1mm, then be placed in
Calcination process 65min in roaster, calcination temperature is 400 DEG C, and when being air-cooled to 50 DEG C with stove, the amino silane that 0.6kg is added is even
The glycerin monostearate of connection agent KH-550 and 0.45kg is sufficiently stirred mixing, be finally milled to fineness be 45 μm to obtain the final product.
The preparation of active nano barium sulfate：Take the amino silicane coupling agent KH-550 of nano barium sulfate 20kg and 0.8kg defeated
It send into blender, 25min, speed of agitator 150r/min is blended under the conditions of being 60 DEG C in temperature.
Wherein, above-mentioned foaming agent be by lauryl sodium sulfate, silicones polyethers lotion and temperature be 45 DEG C go from
Sub- water is in mass ratio 3:1:Made from 15 mixings.
A kind of preparation method of above-mentioned high-performance fire-resistant door panel material is as follows：
(1) shale pottery pickling ball milling：Raw material shale pottery 7kg is taken, is placed in a concentration of 15% hydrochloric acid solution and impregnates
2h, then clear water wash to neutrality, be milled to after drying fineness be 90 μm；
(2) batch mixing：Bauxite, modified sodalite powder, flyash and active nano barium sulfate are delivered in blender and are mixed
Stirring 45min is closed, foaming agent is added, continues to stir 15min, remaining other raw materials are added later and stir 4.5h, above-mentioned stirring
The speed of agitator of machine is 90r/min；
(3) injection molding conserves：After material injection molding is made in step (3), the curing process in the curing system that temperature is 200 DEG C
11min, then maintenance processing 5 days in the fog room that temperature is 31 DEG C, humidity is 45% are placed in, demoulding later is placed in high temperature oven
In, 250 DEG C are heated to the heating rate of 20 DEG C/min, heat preservation 3.5min obtains the high-performance fire-resistant door panel of the present invention
Material.
Embodiment 3
A kind of high-performance fire-resistant door panel material, obtains following raw material：Bauxite 50kg, modified sodalite powder 35kg, fine coal
Grey 30kg, active nano barium sulfate 25kg, shale pottery 8kg, brucite fiber 20kg, enhanced adhesive 25kg, foaming agent
5kg, amino silicane coupling agent KH-5504kg and nanoscale infrared light screening agent 3kg；
The preparation of enhanced adhesive：
Step 1：Weigh following component：Cornstarch 8kg, guar gum 5kg, polyvinyl alcohol 3kg, N hydroxymethyl acrylamide
2kg, dibutyl maleate 2kg, accelerating agent 0.5kg and water 3kg；
Step 2：Cornstarch, polyethylene alcohol and water are mixed, 85 DEG C is heated to and is gelatinized, keeps the temperature 15min；
Step 3：Guar gum is heated and softened, after addition dibutyl maleate stirs evenly, adds N- methylol propylene
Amide stirs 18min, speed of agitator 400r/min under the conditions of temperature is 68 DEG C；
Step 4：Material is made in step 2 and step 3 to mix, adds accelerating agent, is stirred under the conditions of temperature is 85 DEG C
To obtain the final product, speed of agitator is controlled in 400r/min 30min.
The preparation of modified sodalite powder：Sodalite raw material 35kg is taken, grinds to grain size and is less than or equal to 1mm, then be placed in
Calcination process 70min in roaster, calcination temperature is 380 DEG C, and when being air-cooled to 60 DEG C with stove, the amino silane that 1.05kg is added is even
The glycerin monostearate of connection agent KH-550 and 0.7kg is sufficiently stirred mixing, be finally milled to fineness be 50 μm to obtain the final product.
The preparation of active nano barium sulfate：Take the amino silicane coupling agent KH-550 of nano barium sulfate 25kg and 1.25kg defeated
It send into blender, 20min, speed of agitator 200r/min is blended under the conditions of being 65 DEG C in temperature.
Wherein, above-mentioned foaming agent be by lauryl sodium sulfate, silicones polyethers lotion and temperature be 50 DEG C go from
Sub- water is in mass ratio 3:1:Made from 16 mixings.
A kind of preparation method of above-mentioned high-performance fire-resistant door panel material is as follows：
(1) shale pottery pickling ball milling：Raw material shale pottery 9kg is taken, is placed in a concentration of 20% hydrochloric acid solution and impregnates
1.5h, then clear water wash to neutrality, be milled to after drying fineness be 100 μm；
(2) batch mixing：Bauxite, modified sodalite powder, flyash and active nano barium sulfate are delivered in blender and are mixed
Stirring 50min is closed, foaming agent is added, continues to stir 20min, remaining other raw materials are added later and stir 5h, above-mentioned blender
Speed of agitator be 100r/min；
(3) injection molding conserves：After material injection molding is made in step (3), the curing process in the curing system that temperature is 220 DEG C
10min, then maintenance processing 4 days in the fog room that temperature is 32 DEG C, humidity is 50% are placed in, demoulding later is placed in high temperature oven
In, 260 DEG C are heated to the heating rate of 25 DEG C/min, heat preservation 3min obtains the high-performance fire-resistant door panel material of the present invention.
Performance detection
The GB12955-2008 formulated according to the quarantine of national quality supervision and inspection《Fire resistant doorsets》Embodiment 1-3 is carried out following
The performance test of project is compared with the magnesite fire-proof door panel of routine in the market, and test result see the table below shown in 1；
Table 1
As shown in Table 1, fire resistant doorsets plank of the invention in the performance indicators such as pressure-proof and snap-resistent intensity, fire resisting far beyond
National Specification and existing market industry standard, and plank is light, transport is easy for construction, and plate is made and is also widely used as
Fireproof blocking material, heat preserving heat insulating noise insulation material etc..
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of high-performance fire-resistant door panel material, which is characterized in that including following raw material by weight：Bauxite 40-50
Part, modified 25-35 parts of sodalite powder, 20-30 parts of flyash, 15-25 parts of active nano barium sulfate, 4-8 parts of shale pottery, water magnesium
10-20 parts of mineral wool, adhesive 15-25 parts enhanced, 3-5 parts of foaming agent, 2-4 parts of coupling agent and nanoscale infrared light screening agent 1-
3 parts；
The enhanced adhesive is made by following steps：
Step 1：Following component is weighed by weight：6-8 parts of cornstarch, 3-5 parts of guar gum, 2-3 parts of polyvinyl alcohol, N- hydroxyl first
2-3 parts of 1-2 parts of base acrylamide, 1-2 parts of dibutyl maleate, 0.3-0.5 parts of accelerating agent and water；
Step 2：Cornstarch, polyethylene alcohol and water are mixed, 75-85 DEG C is heated to and is gelatinized, keeps the temperature 15-25min；
Step 3：Guar gum is heated and softened, after addition dibutyl maleate stirs evenly, adds N hydroxymethyl acrylamide,
18-22min, speed of agitator 300-400r/min are stirred under the conditions of temperature is 64-68 DEG C；
Step 4：Material is made in step 2 and step 3 to mix, adds accelerating agent, is stirred under the conditions of temperature is 75-85 DEG C
To obtain the final product, speed of agitator is controlled in 300-400r/min 30-40min.
2. a kind of high-performance fire-resistant door panel material according to claim 1, which is characterized in that including it is following by weight
Raw material：45 parts of bauxite, modified 30 parts of sodalite powder, 25 parts of flyash, 20 parts of active nano barium sulfate, 6 parts of shale pottery,
2 parts of 15 parts of brucite fiber, 20 parts of enhanced adhesive, 4 parts of foaming agent, 3 parts of coupling agent and nanoscale infrared light screening agent.
3. a kind of high-performance fire-resistant door panel material according to claim 1, which is characterized in that the enhanced adhesive is logical
Following steps are crossed to be made：
Step 1：Following component is weighed by weight：7 parts of cornstarch, 4 parts of guar gum, 2.5 parts of polyvinyl alcohol, N- methylols third
2.5 parts of 1.5 parts of acrylamide, 1.5 parts of dibutyl maleate, 0.4 part of accelerating agent and water；
Step 2：Cornstarch, polyethylene alcohol and water are mixed, 80 DEG C is heated to and is gelatinized, keeps the temperature 20min；
Step 3：Guar gum is heated and softened, after addition dibutyl maleate stirs evenly, adds N hydroxymethyl acrylamide,
20min, speed of agitator 350r/min are stirred under the conditions of temperature is 66 DEG C；
Step 4：Material is made in step 2 and step 3 to mix, adds accelerating agent, 35min is stirred under the conditions of temperature is 80 DEG C
To obtain the final product, speed of agitator control is in 350r/min.
4. a kind of high-performance fire-resistant door panel material according to claim 1, which is characterized in that the modified sodalite powder
Preparation method is：Sodalite raw material is taken, grinds to grain size and is less than or equal to 1mm, then be placed in calcination process 60- in roaster
70min, calcination temperature is 380-420 DEG C, and when being air-cooled to 40-60 DEG C with stove, the amino for being equivalent to sodalite quality 1-3% is added
The glycerin monostearate of silane resin acceptor kh-550 and 1-2% are sufficiently stirred mixing, be finally milled to fineness be 40-50 μm i.e.
.
5. a kind of high-performance fire-resistant door panel material according to claim 1, which is characterized in that the active nano barium sulfate
Preparation method be：Nano barium sulfate and the amino silicane coupling agent KH-550 for being equivalent to nano barium sulfate quality 3-5% is defeated
It send into blender, 20-30min, speed of agitator 100-200r/min is blended under the conditions of being 55-65 DEG C in temperature.
6. a kind of high-performance fire-resistant door panel material according to claim 1, which is characterized in that the foaming agent is by 12
The deionized water that sodium alkyl sulfate, silicones polyethers lotion and temperature are 40-50 DEG C, is in mass ratio 3:1:(14-16) mixing
It is obtained.
7. a kind of high-performance fire-resistant door panel material according to claim 1, which is characterized in that the coupling agent is amino silicone
Alkane coupling agent KH-550 or epoxy silane coupling KH-560.
8. a kind of preparation method according to claim 1-7 any one of them high-performance fire-resistant door panel materials, which is characterized in that
Include the following steps：
(1) raw material is weighed by the weight；
(2) shale pottery pickling ball milling：It takes raw material shale pottery to be placed in the hydrochloric acid solution of a concentration of 10-20% and impregnates 1.5-
2.5h, then clear water wash to neutrality, be milled to after drying fineness be 80-100 μm；
(3) batch mixing：Bauxite, modified sodalite powder, flyash and active nano barium sulfate are delivered to stirrer for mixing and stirred
40-50min is mixed, foaming agent is added, continues to stir 10-20min, remaining other raw materials are added later and stir 4-5h, it is described to stir
The speed of agitator for mixing machine is 80-100r/min；
(4) injection molding conserves：After material injection molding is made in step (3), the curing process in the curing system that temperature is 180-220 DEG C
10-12min, then maintenance processing 4-5 days in the fog room that temperature is 30-32 DEG C, humidity is 40-50% are placed in, demoulding later is set
In high temperature oven, it is heated to 240-260 DEG C with the heating rate of 15-25 DEG C/min, keeps the temperature 3-4min.
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231889A (en) * | 2018-10-25 | 2019-01-18 | 合肥梵腾环保科技有限公司 | A kind of novel building compound insulating material and its application |
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2018
- 2018-03-22 CN CN201810239018.5A patent/CN108383420A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231889A (en) * | 2018-10-25 | 2019-01-18 | 合肥梵腾环保科技有限公司 | A kind of novel building compound insulating material and its application |
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