CN108147775A - A kind of fire-retardant heat insulation compression plate and preparation method thereof - Google Patents
A kind of fire-retardant heat insulation compression plate and preparation method thereof Download PDFInfo
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- CN108147775A CN108147775A CN201711359912.8A CN201711359912A CN108147775A CN 108147775 A CN108147775 A CN 108147775A CN 201711359912 A CN201711359912 A CN 201711359912A CN 108147775 A CN108147775 A CN 108147775A
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Classifications
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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
- C04B28/32—Magnesium oxychloride cements, e.g. Sorel cement
-
- 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
-
- 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
Abstract
The invention belongs to technical field of board processing, more particularly to a kind of fire-retardant heat insulation compression plate and preparation method thereof, the compression plate includes the component of following parts by weight：30~40 parts of wood powder, 10~12 parts of magnesium chloride, 26~30 parts of magnesia, 6~8 parts of aluminum sulfate, 3~5 parts of tertiary sodium phosphate, 7~12 parts of calcium formate, 3~9 parts of polyethylene glycol, 14~28 parts of filler, 10~20 parts of straw powder, 15~30 parts of short-cut middle-basicity glass fibre, 5~8 parts of styrene-butadiene emulsion；The present invention is using forest and agricultural biomass as raw material, pass through the composite modified manufactured no fire-retardant magnesia oxychloride cement base compression plate of aldehyde, more traditional fireproof building material is compared, have many advantages, such as it is light it is high-strength, water resistance is good, resistant to corrosion, simple production process of the present invention, with short production cycle, production efficiency is high, easily realizes industrialized production.
Description
Technical field
The invention belongs to technical field of board processing, more particularly to a kind of fire-retardant heat insulation compression plate and preparation method thereof.
Background technology
At present, China is still the second in the world lumber consumption big country, national lumber consumption total amount about 609,410,000 in 2016
m3, about generate remaining more than 1.1 hundred million tons of the waste of the timber such as wood shavings, sawdust, flaw-piece, material head processing.In addition, China is also Traditional Agricultural
State of sparetime university, up to 700,000,000 tons of annual agricultural crop straw.If the slack resources that these can be made full use of huge, to development agricultural cycle
Economical is of great significance.
Chlorine oxygen magnesium fire-proof board is a kind of novel fireproof decorative material being concerned in recent years, compared to block of glass wool, treasure
The tradition fireproof building material such as pearl rock beam, plasterboard, ca silicate fibre plate, mechanical strength is higher, plasticity is good, resistant to corrosion, therefore by
Gradually approved by market, but in use also there are the problems such as damp suction surface halide accumulation scum, poor water resistance, deformation easy to crack,
And cold pressing hardening time is long, such production cycle is very long, greatly reduces production efficiency.
Invention content
To solve the above problems, the present invention provides a kind of fire-retardant heat insulation compression plate and preparation method thereof, processed with timber
Residue leftover bits and pieces and agricultural crop straw are raw material, the one kind being prepared using magnesium system inorganic adhesive by hot pressing mode
Magnesia oxychloride cement base wood-based plate, low production cost, simple for process, product has high-strength light, without aldehyde, fire-retardant, energy saving
The advantages that heat preservation, available for multiple fields such as floor, furred ceiling, partition walls.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of fire-retardant heat insulation compression plate includes the component of following parts by weight：30~40 parts of wood powder, magnesium chloride 10~12
Part, 3~9 parts of polyethylene glycol, is filled out 26~30 parts of magnesia, 6~8 parts of aluminum sulfate, 3~5 parts of tertiary sodium phosphate, 7~12 parts of calcium formate
14~28 parts of material, 10~20 parts of straw powder, 15~30 parts of short-cut middle-basicity glass fibre, 5~8 parts of styrene-butadiene emulsion.
Preferably, the wood powder is the powder for crushing leftover bits and pieces, its specification is screened as 40~80 mesh, it is dry
To water content less than 10%, in the remaining waste of the timber processing such as wood shavings, sawdust, flaw-piece, the material head of the leftover bits and pieces for timber
One or more.
Preferably, the filler is made of flyash and silica flour, the grain size of the flyash and silica flour is 400~2000
Mesh, filler reduce the gap structure of compression plate, act power by hot pressing with chlorine oxygen magnesium, can effectively reduce the moisture absorption of compression plate
The coefficient of expansion and the internal stress for improving compression plate avoid compression plate material from generating microgroove and further expand craze and transfiguration, and then
Improve the mechanical strength of compression plate.
Preferably, the straw powder is the powder for obtaining rice, sorghum, corn or wheat crushing, its specification is screened
For 40~80 mesh, dry water content while the effect of stalk can reduce wood powder certain dosage, improves pure wood powder less than 10%
The water resistance of base compression plate, and the density of magnesia oxychloride cement substrate material can be reduced.
Preferably, the preparation method of the fire-retardant heat insulation compression plate, includes the following steps：
(1) weigh the wood powder of 30~40 parts by weight, the straw powder of 10~20 parts by weight, 14~28 parts by weight filler and
The magnesia of 26~30 parts by weight is uniformly mixed, obtains mixture；
(2) it is molten that the magnesium chloride of 10~12 parts by weight, the aluminum sulfate of 6~8 parts by weight, the tertiary sodium phosphate of 3~5 parts by weight are weighed
In the water of 32~35 parts by weight, the calcium formate of 7~12 parts by weight is added in, 10~20min of stir thoroughly at room temperature is obtained uniformly molten
Liquid；
(3) homogeneous solution that step (2) obtains is sprayed on the mixture that step (1) obtains, adds in 2~5 parts by weight
Hydrogen peroxide, the polyethylene glycol of 3~9 parts by weight and the styrene-butadiene emulsion of 5~8 parts by weight further mix, be stirred to uniform
State obtains sizing material；
(4) sizing material that step (3) obtains uniformly is divided into 3 parts by weight, 1 part of sizing material of first mating formation in frame of mating formation,
After the short-cut middle-basicity glass fibre of its 7.5~15 parts by weight of Surface pavement, then above the short-cut middle-basicity glass fibre
Mat formation 1 part of sizing material, the short-cut middle-basicity glass fibre for 7.5~15 parts by weight of mating formation again on its surface, then described short
Hit above alkali containing glass fibre 1 part of sizing material of mating formation, and is that can be made into the slab containing 2 layers of glass fibre in this way；
(5) slab for obtaining step (4) is compacted, and is placed in hot press after hot pressing hardening, and cold pressing curing is displayed, cutting edge,
It can be made into fire-retardant heat insulation compression plate.
Preferably, in the step (5), hot pressing curing condition is：Hot pressing temperature is 80~95 DEG C, hot pressing pressure is
1.0~1.5MPa, hot pressing time are 90~150min.
Preferably, in the step (5), cold pressing condition of cure is：Room temperature, 1.0~1.2MPa of cold pressing pressure, during cold pressing
Between 10~20min.
The addition of hydrogen peroxide can cause hydration reaction, generate stomata, flyash and silica flour filler can reduce to a certain extent
Hydration rate, reduces pore size, and filling stomata position makes filler distribution evenly, reduces thermal conductivity factor and the increasing of plank
Adding timber intensity, the addition of hydrogen peroxide can increase the micro-porous permeable of compression plate, and compression plate hygroscopic desiccation speed is fast,
Wherein, the molecular weight of polyethylene glycol is 600~1000, and form is solid-state like for half liquid, since polyethylene glycol is good
Caking property and its with timber, crop branch fiber contain abundant hydroxyl polar group and chlorine oxygen magnesium metallic element it
Between have preferable intermolecular force, the mechanical strength of compression plate can be improved.
Wherein, the solid content 40~55% of styrene-butadiene emulsion, butylbenzene rubber lotion can increase the flexibility of compression plate and water-fast
Property, heated to soften flowing, the rapid curing of cooling, during cold pressing curing, styrene-butadiene emulsion point is shortened in curing that can be faster
Spacing between son promotes that material molecules spacing is driven to reduce, reduces the cooling and solidifying time, improves production efficiency.
The advantageous effect that the present invention obtains is：
(1) present invention passes through the composite modified manufactured no fire-retardant magnesia oxychloride cement base of aldehyde using forest and agricultural biomass as raw material
Compression plate, more traditional fireproof building material are compared, have many advantages, such as it is light it is high-strength, water resistance is good, resistant to corrosion；
(2) present invention by adding flyash, silicon ash filled up stomata ruler diameter larger in inorganic coagulation material, make its tool
Standby microcellular structure, effectively reduces the thermal conductivity factor of compression plate, reduces indoor heat losses, have heat insulation function；
(3) cost of raw material of the present invention is cheap, and simple production process is with short production cycle, and production efficiency is high, easily realizes industry
Metaplasia is produced.
Specific embodiment
The present invention and its specific embodiment are described in further detail, but be not intended to limit with reference to embodiment
The scope of the present invention.
Embodiment 1：
A kind of fire-retardant heat insulation compression plate includes the component of following parts by weight：
30 parts of poplar leftover bits and pieces feed powder, 10 parts of magnesium chloride, 28 parts of magnesia, 7 parts of aluminum sulfate, 4 parts of tertiary sodium phosphate, calcium formate 8
Part, 5 parts of polyethylene glycol, 15 parts of flyash, 6 parts of silica flour, 15 parts of wheat stalk powder, 16 parts of short-cut middle-basicity glass fibre, butylbenzene breast
6 parts of liquid；
The preparation method of above-mentioned fire-retardant heat insulation compression plate is to include the following steps：
(1) poplar leftover bits and pieces feed powder, straw powder, flyash, silica flour and the magnesia of the parts by weight are weighed, is uniformly mixed,
Mixture is obtained, wherein poplar leftover bits and pieces feed powder, the screening specification of wheat stalk powder is 40~80 mesh, and dry water content is less than 10%,
Flyash, silica flour grain size be 400~2000 mesh；
(2) magnesium chloride, aluminum sulfate, tertiary sodium phosphate for weighing the parts by weight are dissolved in the water of 33 parts by weight, described in addition
The calcium formate of parts by weight, stir thoroughly at room temperature 15min, obtains homogeneous solution；
(3) homogeneous solution that step (2) obtains is sprayed on the mixture that step (1) obtains, adds in the double of 3 parts by weight
Oxygen water and the polyethylene glycol of the parts by weight, styrene-butadiene emulsion further mix, and are stirred to uniform state, obtain sizing material；
(4) sizing material that step (3) obtains uniformly is divided into 3 parts by weight, 1 part of sizing material of first mating formation in frame of mating formation,
After the short-cut middle-basicity glass fibre of its 8 parts by weight of Surface pavement, 1 part of institute of then mating formation on the short-cut middle-basicity glass fibre
State sizing material, such circulation primary, you can the slab containing 2 layers of glass fibre is made；
(5) slab for obtaining step (4) is compacted, and is placed in hot press after hot pressing hardening, 90 DEG C of hot pressing temperature, hot pressing pressure
After power 1.2MPa, hot pressing 105min, cold pressing curing, room temperature, cold pressing pressure 1.0MPa, cold pressing 15min；It displays for 24 hours, cutting edge, i.e.,
It can be made into fire-retardant heat insulation compression plate.
Embodiment 2：
A kind of fire-retardant heat insulation compression plate includes the component of following parts by weight：
35 parts of poplar leftover bits and pieces feed powder, 11 parts of magnesium chloride, 30 parts of magnesia, 7 parts of aluminum sulfate, 3.5 parts of tertiary sodium phosphate, calcium formate
10 parts, 5 parts of polyethylene glycol, 16 parts of flyash, 5 parts of silica flour, 18 parts of wheat stalk powder, 20 parts of short-cut middle-basicity glass fibre, butylbenzene
7 parts of lotion；
The preparation method of above-mentioned fire-retardant heat insulation compression plate is to include the following steps：
(1) poplar leftover bits and pieces feed powder, straw powder, flyash, silica flour and the magnesia of the parts by weight are weighed, is uniformly mixed,
Mixture is obtained, wherein poplar leftover bits and pieces feed powder, the screening specification of wheat stalk powder is 40~80 mesh, and dry water content is less than 10%,
Flyash, silica flour grain size be 400~2000 mesh；
(2) magnesium chloride, aluminum sulfate, tertiary sodium phosphate for weighing the parts by weight are dissolved in the water of 35 parts by weight, described in addition
The calcium formate of parts by weight, stir thoroughly at room temperature 15min, obtains homogeneous solution；
(3) homogeneous solution that step (2) obtains is sprayed on the mixture that step (1) obtains, adds in the double of 4 parts by weight
Oxygen water and the polyethylene glycol of the parts by weight, styrene-butadiene emulsion further mix, and are stirred to uniform state, obtain sizing material；
(4) sizing material that step (3) obtains uniformly is divided into 3 parts by weight, 1 part of sizing material of first mating formation in frame of mating formation,
After the short-cut middle-basicity glass fibre of its 10 parts by weight of Surface pavement, then mat formation on the short-cut middle-basicity glass fibre 1 part
The sizing material, such circulation primary, you can the slab containing 2 layers of glass fibre is made；
(5) slab for obtaining step (4) is compacted, and is placed in hot press after hot pressing hardening, 80 DEG C of hot pressing temperature, hot pressing pressure
After power 1.3MPa, hot pressing 120min, cold pressing curing, room temperature, cold pressing pressure 1.0MPa, cold pressing 15min；It displays for 24 hours, cutting edge, i.e.,
It can be made into fire-retardant heat insulation compression plate.
Comparative example 1：
A kind of fire-retardant heat insulation compression plate, composition and content repeat embodiment 2, but do not contain flyash and silica flour；
The preparation method of above-mentioned fire-retardant heat insulation compression plate, preparation method repeats embodiment 2, but process does not add fine coal
Ash, silica flour and hydrogen peroxide.
Comparative example 2：
A kind of fire-retardant heat insulation compression plate, composition and content repeat embodiment 2, but do not contain short-cut middle-basicity glass fibre
And polyethylene glycol；
The preparation method of above-mentioned fire-retardant heat insulation compression plate, preparation method repeat embodiment 2, but process do not add it is chopped
Medium-alkali glass fibre and polyethylene glycol.
Comparative example 3：
A kind of fire-retardant heat insulation compression plate, composition and content repeat embodiment 2, but do not contain styrene-butadiene emulsion；
The preparation method of above-mentioned fire-retardant heat insulation compression plate, preparation method repeats embodiment 2, but process does not add butylbenzene
Lotion.
Application Example 1：
Fire-retardant heat insulation compression plate prepared by the fire-retardant heat insulation compression plate and comparative example 1~3 prepared to Examples 1 to 2 carries out
Mechanics Performance Testing, Density Detection are measured by standard GB/T-T 6343-2009；The static bending strength on floor, interior combination are strong
Degree, thickness swelling rate are measured according to standard GB/T/T 17657-2013, and measurement result is as shown in table 1；
1~3 performance measurement result of 1 Examples 1 to 2 of table and comparative example
As it can be seen from table 1 the static bending strength and internal bond strength of the compression plate of comparative example 3 are all relatively low, this is because not
Styrene-butadiene emulsion is added, compression plate is not fully cured, and influences its mechanical property；Comparative example 1 does not add flyash, silicon powder and double
Oxygen water packing, the compression plate density of preparation compared with it is small, thickness swelling rate is big, this is because the sky without filler filling compression plate
Gap structure makes its density become larger, and compression plate is also easy to produce microgroove and further expands craze and transfiguration, reduces its mechanical strength,
Secondary filler can act power with chlorine oxygen magnesium by hot pressing, cold pressing, effectively reduce the hygroscopic expansion coefficient of compression plate；Comparative example 2
Static bending strength without the fire-retardant compression plate of aldehyde and internal bond strength it is all relatively low, this is because polyethylene glycol strengthens the intermolecular work of material
Firmly, short-cut middle-basicity glass fibre makes compression plate have preferable skeleton structure, can effectively improve the mechanical property of compression plate；
To fire-retardant heat insulation compression plate prepared by Examples 1 to 2 and comparative example 1~3, according to standard GB/T 18581-2001
Its burst size of methanal is measured, burst size of methanal is measured and is respectively less than 0.2mg/L；
To fire-retardant heat insulation compression plate prepared by Examples 1 to 2 and comparative example 1~3, according to standard GB/T 8624-2012
Its fire protecting performance is measured, compression plate fire protecting performance is measured and reaches B1Grade.
Embodiment described above is a kind of preferable scheme of the present invention, and not the present invention is made in any form
Limitation, for the those familiar of this field, can readily realize other modification, without prejudice to claim and equivalency range
In the case of the universal limited, the present invention is not limited to specific details.
Claims (7)
1. a kind of fire-retardant heat insulation compression plate, which is characterized in that include the component of following parts by weight：30~40 parts of wood powder, chlorination
10~12 parts of magnesium, 26~30 parts of magnesia, 6~8 parts of aluminum sulfate, 3~5 parts of tertiary sodium phosphate, 7~12 parts of calcium formate, polyethylene glycol 3
~9 parts, 14~28 parts of filler, 10~20 parts of straw powder, 15~30 parts of short-cut middle-basicity glass fibre, 5~8 parts of styrene-butadiene emulsion.
2. a kind of fire-retardant heat insulation compression plate according to claim 1, which is characterized in that the wood powder is crushed for leftover bits and pieces
Object, specification are 40~80 mesh, and water content is less than 10%, and the leftover bits and pieces is in the wood shavings of timber, sawdust, flaw-piece, material head
It is one or more of.
3. a kind of fire-retardant heat insulation compression plate according to claim 1, which is characterized in that the filler is by flyash and silica flour
Composition, packing material size specification are 400~2000 mesh.
4. a kind of fire-retardant heat insulation compression plate according to claim 1, which is characterized in that the straw powder for rice, sorghum,
The crushed material of corn or wheat, specification are 40~80 mesh, and water content is less than 10%.
5. the preparation method of a kind of fire-retardant heat insulation compression plate as described in Claims 1 to 4 any one, which is characterized in that should
Method includes the following steps：
(1) wood powder, straw powder, filler and the magnesia of the parts by weight are weighed, is uniformly mixed, obtains mixture；
(2) magnesium chloride, aluminum sulfate, tertiary sodium phosphate for weighing the parts by weight are dissolved in the water of 32~35 parts by weight, described in addition
The calcium formate of parts by weight, 10~20min of stir thoroughly at room temperature, obtains homogeneous solution；
(3) homogeneous solution that step (2) obtains is sprayed on the mixture that step (1) obtains, adds in the double of 2~5 parts by weight
Oxygen water and the polyethylene glycol of the parts by weight, styrene-butadiene emulsion further mix, and are stirred to uniform state, obtain sizing material；
(4) sizing material that step (3) obtains uniformly is divided into 3 parts by weight, 1 part of sizing material of first mating formation in frame of mating formation, at it
After the short-cut middle-basicity glass fibre of 7.5~15 parts by weight of Surface pavement, then mat formation on the short-cut middle-basicity glass fibre 1 part
The sizing material, such circulation primary, you can the slab containing 2 layers of glass fibre is made；
(5) slab for obtaining step (4) is compacted, and is placed in hot press after hot pressing hardening, and cold pressing curing is displayed, cutting edge, you can
Fire-retardant heat insulation compression plate is made.
A kind of 6. preparation method of fire-retardant heat insulation compression plate according to claim 5, which is characterized in that the step (5)
In, hot pressing curing condition is：Hot pressing temperature is 80~95 DEG C, hot pressing pressure is 1.0~1.5MPa, hot pressing time be 90~
150min。
A kind of 7. preparation method of fire-retardant heat insulation compression plate according to claim 5, which is characterized in that the step (5)
In, cold pressing condition of cure is：Room temperature, 1.0~1.2MPa of cold pressing pressure are cold-pressed 10~20min of time.
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| CN110014494A (en) * | 2019-04-15 | 2019-07-16 | 安徽百祺瑞建材科技有限公司 | A kind of fire-proof doors and windows combo box plate and its synthetic method |
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| CN110698168A (en) * | 2019-11-19 | 2020-01-17 | 南京林业大学 | Inorganic gelled biomass functional decorative plate and preparation method thereof |
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| CN108947460A (en) * | 2018-08-13 | 2018-12-07 | 浙江天振竹木开发有限公司 | A kind of arenolite's plate and preparation method thereof and a kind of composite floor board and preparation method thereof |
| CN108947460B (en) * | 2018-08-13 | 2021-04-30 | 浙江天振科技股份有限公司 | Artificial ore plate and preparation method thereof, and composite floor and preparation method thereof |
| CN110014494A (en) * | 2019-04-15 | 2019-07-16 | 安徽百祺瑞建材科技有限公司 | A kind of fire-proof doors and windows combo box plate and its synthetic method |
| CN110698168A (en) * | 2019-11-19 | 2020-01-17 | 南京林业大学 | Inorganic gelled biomass functional decorative plate and preparation method thereof |
| CN110668781A (en) * | 2019-11-25 | 2020-01-10 | 德华兔宝宝装饰新材股份有限公司 | Method for preparing oxygen anion flame-retardant formaldehyde-free decorative plate by utilizing agriculture and forestry residues |
| CN110668781B (en) * | 2019-11-25 | 2021-11-05 | 德华兔宝宝装饰新材股份有限公司 | Method for preparing oxygen anion flame-retardant formaldehyde-free decorative plate by utilizing agriculture and forestry residues |
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