CN106116433B - A kind of high-strength fire-retardant prefabricated board and its production technology - Google Patents

A kind of high-strength fire-retardant prefabricated board and its production technology Download PDF

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Publication number
CN106116433B
CN106116433B CN201610503613.6A CN201610503613A CN106116433B CN 106116433 B CN106116433 B CN 106116433B CN 201610503613 A CN201610503613 A CN 201610503613A CN 106116433 B CN106116433 B CN 106116433B
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parts
prefabricated board
cement
binding agent
gypsum
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CN201610503613.6A
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CN106116433A (en
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唐兴彦
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唐兴彦
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/30Compositions 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
    • C04B28/32Magnesium oxychloride cements, e.g. Sorel cement
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/38Fibrous materials; Whiskers
    • C04B14/42Glass
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B16/00Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/04Macromolecular compounds
    • C04B16/06Macromolecular compounds fibrous
    • C04B16/0616Macromolecular compounds fibrous from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B16/0625Polyalkenes, e.g. polyethylene
    • C04B16/0633Polypropylene
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/28Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The present invention relates to a kind of prefabricated board, a kind of high-strength fire-retardant prefabricated board, including following components are specifically disclosed:Cement, flyash, magnesium chloride, magnesia, glass fibre, polypropylene fibre, gypsum, attapulgite, binding agent and water.The invention also discloses the production technology of the prefabricated board.Using technical scheme, prepared prefabricated board has good weight capacity, and intensity is high, and fireproof heat insulating is functional.

Description

A kind of high-strength fire-retardant prefabricated board and its production technology
Technical field
The present invention relates to a kind of prefabricated board, more particularly to a kind of high-strength fire-retardant prefabricated board and its production technology.
Background technology
The species of prefabricated board is various, and traditional is essentially all plus other supplementary materials by raw material of polystyrene resin With poly- inclusion, by heating mixing injecting catalyst simultaneously, then extrusion molding extrusion molding and the rigid foam plate that manufactures, its The features such as tool lightweight, moistureproof, waterproof, but this warming plate does not have fireproof function but.Fire resistant pre-fabricated plate because its material, Kind, specification use value are increasingly enriched, its insulation, heat-insulated, lightweight, high-strength, fire resisting, fire-retardant characteristic, in society On be widely used in the fields such as interior decoration, furniture, kitchen cabinet, laboratory table face and exterior wall.
Document CN104975659A discloses a kind of inorganic heat-insulating fireproof plate, the sandwich as protective plate, substrate and built in it Constitute, the component of sandwich is magnesium chloride 8%~15%, magnesia 5%~10%, expanded and vitrified small ball according to percentage by weight 10%~20%, calcium-silicate 3%~6%, alumina cement 10%~18%, organosilicon moisture repellent 0.05%~0.1%, poly- third Alkene fiber 0.1%~0.25%, binding agent 2%~4%, water 40%~45%.Using above-mentioned technical proposal, wet mixing conjunction is improved Lightweight aggregate is broken in the viscosity of material, effectively reduction product, greatly improves the heat-insulating property of product.Document CN102503337A Disclose a kind of prefabricated panels, preparing raw material include cement, flyash, insulation material aggregate, into stone agent and water;The cement with The mass ratio of flyash is 2.0~3.5: 1.0;Water adds the mass ratio of flyash to be 1.0~1.2: 1.0 with cement;Cement adds powder The mass ratio of coal ash and the insulation material aggregate is 2.0~3.0: 1.0;Described is polymer into stone agent, and component includes alkyl Sulfonate, lauryl alcohol, starch, sodium cellulosate, gypsum, sodium sulphate, cement add flyash to be 1.0 with the mass ratio into stone agent: 0.03~0.05.The prefabricated panels has good weight capacity, and insulation, heat-insulated, fire prevention, sound insulation, impervious, antiseptic property are good It is good;With venting of dust explosion characteristic;Processability is good, can saw, can follow closely, can dig, can bore, can apply, can paste, pollution-free, zero-emission, and the plate without Steel frame, will not occur " cold bridge " effect, disclosure satisfy that higher building requirements.Fire-proof plate or prefabricated board in above-mentioned document exist There is relatively good effect in terms of heat-insulated, fire prevention, but the production technology of fire-proof plate is more complicated, and intensity has much room for improvement.
The content of the invention
There is provided a kind of high-strength fire-retardant prefabricated board and its production technology for defect of the prior art by the present invention.
The technical scheme is that:A kind of high-strength fire-retardant prefabricated board, includes the component of following mass fraction,
The cement is sulphate aluminium cement and portland cement, and the mass ratio of the two is 4-5:1.
The binding agent is polyvinyl alcohol, polytetrafluoroethylene (PTFE), carboxymethyl cellulose, hydroxypropyl methyl cellulose, carboxymethyl One or more in sodium cellulosate, methyl hydroxyethylcellulose ether, preferably polytetrafluoroethylene (PTFE) and methyl hydroxyethylcellulose Ether, the mass ratio of the two is 2-3:1, using two kinds of adhesive complexes of polytetrafluoroethylene (PTFE) and methyl hydroxyethylcellulose ether, utilize Difference on two kinds of adhesive structures and performance, improves the intensity of prefabricated board.
The fineness of the gypsum is 120-130 mesh.
Preferably, a kind of high-strength fire-retardant prefabricated board, includes the component of following mass fraction,
A kind of production technology of high-strength fire-retardant prefabricated board, comprises the following steps:
(1) after glass fibre, polypropylene fibre, gypsum and attapulgite being well mixed by proportioning, grind 15-30min, Obtain modified abrasive slurry;
(2) take and mixture is obtained after cement, flyash, magnesium chloride and magnesia Vibratory Mixing;
(3) to take binding agent to be added to the water well mixed, the modified abrasive slurry added in step (1), in homogenizer Stir;
(4) mixture that step (2) is obtained is added, stirred;
(5) in discharging to mould, it is stripped to 30-40 DEG C of thermostatic chamber and conserves 30-45h, natural drying solidifies to obtain finished product.
Preferably, the mixing time in the step (3) is 5-10min, and mixing speed is 1200-1300r/min.
Preferably, the mixing speed in the step (4) is 500-600r/min, and mixing time is 10-15min.
The prefabricated board of the present invention is compounded using two kinds of cement of sulphate aluminium cement and portland cement, in addition flyash and stone Cream, improves the hardness and intensity of prefabricated board;While magnesium chloride, magnesia and attapulgite improve component dispersiveness, material is lifted The viscosity of material;The cohesive force of each component is added using compound binding agent, the addition of glass fibre and polypropylene fibre enters one The mechanical properties such as the intensity of step lifting material.There is synergy between each component of the present invention, prefabricated board is improved Mechanics and fireproof heat insulating performance.The production technology of the present invention, by glass fibre, polypropylene fibre, gypsum and attapulgite Processing is modified, substep adds the methods such as component, further improves the intensity of prefabricated board.The prefabricated board that the present invention is provided has Good weight capacity, intensity is high, and fireproof heat insulating is functional.
Embodiment
Embodiment 1
A kind of high-strength fire-retardant prefabricated board, includes the component of following mass fraction,
Wherein, binding agent is polytetrafluoroethylene (PTFE) and methyl hydroxyethylcellulose ether, and the mass ratio of the two is 2:1;Gypsum Fineness is 125 mesh.
Make following prepare by said ratio:
(1) after being well mixed glass fibre, polypropylene fibre, gypsum and attapulgite by proportioning, 20min is ground, is obtained Modified abrasive is starched;
(2) take and mixture is obtained after cement, flyash, magnesium chloride and magnesia Vibratory Mixing;
(3) to take binding agent to be added to the water well mixed, the modified abrasive slurry added in step (1), in homogenizer Stir 8min, and mixing speed is 1250r/min;
(4) mixture that step (2) is obtained is added, mixing speed is 550r/min, and mixing time is 12min;
(5) in discharging to mould, it is stripped to 30-40 DEG C of thermostatic chamber and conserves 36h, natural drying solidifies to obtain finished product.
Embodiment 2
A kind of high-strength fire-retardant prefabricated board, includes the component of following mass fraction,
Wherein, cement is sulphate aluminium cement and portland cement, and the mass ratio of the two is 4:1;Binding agent is polytetrafluoro Ethene and methyl hydroxyethylcellulose ether, the mass ratio of the two are 3:1;The fineness of gypsum is 120 mesh.
(1) after being well mixed glass fibre, polypropylene fibre, gypsum and attapulgite by proportioning, 15min is ground, is obtained Modified abrasive is starched;
(2) take and mixture is obtained after cement, flyash, magnesium chloride and magnesia Vibratory Mixing;
(3) to take binding agent to be added to the water well mixed, the modified abrasive slurry added in step (1), in homogenizer Stir 10min, and mixing speed is 1200r/min;
(4) mixture that step (2) is obtained is added, mixing speed is 500r/min, and mixing time is 15min;
(5) in discharging to mould, it is stripped to 30-40 DEG C of thermostatic chamber and conserves 30h, natural drying solidifies to obtain finished product.
Embodiment 3
A kind of high-strength fire-retardant prefabricated board, includes the component of following mass fraction,
Wherein, cement is sulphate aluminium cement and portland cement, and the mass ratio of the two is 5:1;Binding agent is polytetrafluoro Ethene and methyl hydroxyethylcellulose ether, the mass ratio of the two are 2:1;The fineness of gypsum is 130 mesh.
(1) after being well mixed glass fibre, polypropylene fibre, gypsum and attapulgite by proportioning, 30min is ground, is obtained Modified abrasive is starched;
(2) take and mixture is obtained after cement, flyash, magnesium chloride and magnesia Vibratory Mixing;
(3) to take binding agent to be added to the water well mixed, the modified abrasive slurry added in step (1), in homogenizer Stir 5min, and mixing speed is 1300r/min;
(4) mixture that step (2) is obtained is added, mixing speed is 600r/min, and mixing time is 10min;
(5) in discharging to mould, it is stripped to 30-40 DEG C of thermostatic chamber and conserves 45h, natural drying solidifies to obtain finished product.
Comparative example 1
A kind of high-strength fire-retardant prefabricated board, includes the component of following mass fraction,
Wherein, binding agent is polytetrafluoroethylene (PTFE) and methyl hydroxyethylcellulose ether, and the mass ratio of the two is 2:1;Gypsum Fineness is 125 mesh.
Make following prepare by said ratio:
(1) after being well mixed glass fibre, polypropylene fibre, gypsum and attapulgite by proportioning, 20min is ground, is obtained Modified abrasive is starched;
(2) take and mixture is obtained after cement, flyash, magnesium chloride and magnesia Vibratory Mixing;
(3) to take binding agent to be added to the water well mixed, the modified abrasive slurry added in step (1), in homogenizer Stir 8min, and mixing speed is 1250r/min;
(4) mixture that step (2) is obtained is added, mixing speed is 550r/min, and mixing time is 12min;
(5) in discharging to mould, it is stripped to 30-40 DEG C of thermostatic chamber and conserves 36h, natural drying solidifies to obtain finished product.
Comparative example 2
A kind of high-strength fire-retardant prefabricated board, includes the component of following mass fraction,
Wherein, binding agent is polytetrafluoroethylene (PTFE) and methyl hydroxyethylcellulose ether, and the mass ratio of the two is 1:2;Gypsum Fineness is 125 mesh.
Make following prepare by said ratio:
(1) after being well mixed glass fibre, polypropylene fibre, gypsum and attapulgite by proportioning, 20min is ground, is obtained Modified abrasive is starched;
(2) take and mixture is obtained after cement, flyash, magnesium chloride and magnesia Vibratory Mixing;
(3) to take binding agent to be added to the water well mixed, the modified abrasive slurry added in step (1), in homogenizer Stir 8min, and mixing speed is 1250r/min;
(4) mixture that step (2) is obtained is added, mixing speed is 550r/min, and mixing time is 12min;
(5) in discharging to mould, it is stripped to 30-40 DEG C of thermostatic chamber and conserves 36h, natural drying solidifies to obtain finished product.
Comparative example 3
A kind of high-strength fire-retardant prefabricated board, includes the component of following mass fraction,
Wherein, binding agent is polytetrafluoroethylene (PTFE) and methyl hydroxyethylcellulose ether, and the mass ratio of the two is 2:1;Gypsum Fineness is 125 mesh.
Make following prepare by said ratio:
(1) material must be premixed by being well mixed glass fibre, polypropylene fibre, gypsum and attapulgite by proportioning;
(2) take and mixture is obtained after cement, flyash, magnesium chloride and magnesia Vibratory Mixing;
(3) to take binding agent to be added to the water well mixed, the premix material added in step (1), is stirred in homogenizer Uniform 8min is mixed, mixing speed is 1250r/min;
(4) mixture that step (2) is obtained is added, mixing speed is 550r/min, and mixing time is 12min;
(5) in discharging to mould, it is stripped to 30-40 DEG C of thermostatic chamber and conserves 36h, natural drying solidifies to obtain finished product.
Performance test is carried out to the prefabricated board prepared by embodiment 1-3 and comparative example 1-3, test result is listed in Table 1 below.
Table 1
As it can be seen from table 1 the side such as tensile strength, dimensional stability and combustibility of prefabricated board prepared by the present invention Face, hence it is evident that higher than the performance of prefabricated board prepared in comparative example, illustrating the prefabricated board of the present invention has more preferable weight capacity, Intensity is high, and fireproof heat insulating is functional.
A kind of high-strength fire-retardant prefabricated board and its production technology provided above the embodiment of the present invention, has been carried out in detail Introduce, specific case used herein is set forth to the principle and embodiment of the present invention, the explanation of above example It is only intended to the method and its core concept for helping to understand the present invention;Simultaneously for those of ordinary skill in the art, according to this The thought of invention, be will change in specific embodiments and applications, in summary, and this specification content should not It is interpreted as limitation of the present invention.

Claims (8)

1. a kind of high-strength fire-retardant prefabricated board, it is characterised in that be made up of the component of following mass fraction,
25-30 parts of cement,
10-15 parts of flyash,
3-5 parts of magnesium chloride,
3-5 parts of magnesia,
10-15 parts of glass fibre,
0.5-0.8 parts of polypropylene fibre,
0.5-1 parts of gypsum,
2-5 parts of attapulgite,
0.5-1 parts of binding agent,
40-50 parts of water;
Wherein, the cement is sulphate aluminium cement and portland cement, and the mass ratio of the two is 4-5:1.
2. prefabricated board according to claim 1, it is characterised in that the binding agent is polyvinyl alcohol, polytetrafluoroethylene (PTFE), carboxylic One or more in methylcellulose, hydroxypropyl methyl cellulose, sodium carboxymethylcellulose, methyl hydroxyethylcellulose ether.
3. prefabricated board according to claim 2, it is characterised in that the binding agent is polytetrafluoroethylene (PTFE) and dimethyl hydroxyethyl Cellulose ether, the mass ratio of the two is 2-3:1.
4. prefabricated board according to claim 1, it is characterised in that the fineness of the gypsum is 120-130 mesh.
5. prefabricated board according to claim 1, it is characterised in that a kind of high-strength fire-retardant prefabricated board, including following quality The component of number,
25 parts of sulphate aluminium cement,
5 parts of portland cement,
13 parts of flyash,
4 parts of magnesium chloride,
4 parts of magnesia,
13 parts of glass fibre,
0.6 part of polypropylene fibre,
0.6 part of gypsum,
3.5 parts of attapulgite,
0.8 part of binding agent,
45 parts of water.
6. a kind of production technology of high-strength fire-retardant prefabricated board as described in claim any one of 1-5, comprises the following steps:
(1)After being well mixed glass fibre, polypropylene fibre, gypsum and attapulgite by proportioning, 15-30min is ground, must be changed Property slurry;
(2)Take and mixture is obtained after cement, flyash, magnesium chloride and magnesia Vibratory Mixing;
(3)Take binding agent to be added to the water well mixed, add step(1)In modified abrasive slurry, in homogenizer stir Uniformly;
(4)Add step(2)Obtained mixture, stirs;
(5)In discharging to mould, it is stripped to 30-40 DEG C of thermostatic chamber and conserves 30-45h, natural drying solidifies to obtain finished product.
7. technique according to claim 6, it is characterised in that the step(3)In mixing time be 5-10min, stir Speed is mixed for 1200-1300r/min.
8. technique according to claim 6, it is characterised in that the step(4)In mixing speed be 500-600 r/ Min, mixing time is 10-15min.
CN201610503613.6A 2016-06-30 2016-06-30 A kind of high-strength fire-retardant prefabricated board and its production technology Expired - Fee Related CN106116433B (en)

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Publication number Priority date Publication date Assignee Title
CN106588103A (en) * 2016-12-16 2017-04-26 侯风光 Autoclaved aerated concrete block doped with water-retaining polypropylene fiber and preparation method of autoclaved aerated concrete block
CN107372205B (en) * 2017-08-31 2021-04-27 株洲县德云养蜂专业合作社 Breeding beehive with cement coating coated on foam main body and main body manufacturing method
CN111117310A (en) * 2020-01-19 2020-05-08 北京天佐消防产品有限公司 Non-expansive gypsum fire-retardant coating and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN102503337A (en) * 2011-11-08 2012-06-20 北京天基新材料股份有限公司 Prefabricated panels and preparation method thereof
CN102826823A (en) * 2011-06-17 2012-12-19 大庆华夏绿垣建材科技开发有限公司 Production method of novel lightweight high-strength shock-resistant fireproofing inner wall board
CN103570313A (en) * 2013-10-24 2014-02-12 上海古猿人石材有限公司 Modified attapulgite clay composite artificial stone material and production method thereof
CN104975659A (en) * 2014-04-11 2015-10-14 张家港市盛港防火板业科技有限公司 Inorganic heat insulation fireproof board

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102826823A (en) * 2011-06-17 2012-12-19 大庆华夏绿垣建材科技开发有限公司 Production method of novel lightweight high-strength shock-resistant fireproofing inner wall board
CN102503337A (en) * 2011-11-08 2012-06-20 北京天基新材料股份有限公司 Prefabricated panels and preparation method thereof
CN103570313A (en) * 2013-10-24 2014-02-12 上海古猿人石材有限公司 Modified attapulgite clay composite artificial stone material and production method thereof
CN104975659A (en) * 2014-04-11 2015-10-14 张家港市盛港防火板业科技有限公司 Inorganic heat insulation fireproof board

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