CN110818381A - Plant fiber polymerization light wallboard and preparation method thereof - Google Patents
Plant fiber polymerization light wallboard and preparation method thereof Download PDFInfo
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- CN110818381A CN110818381A CN201911238352.XA CN201911238352A CN110818381A CN 110818381 A CN110818381 A CN 110818381A CN 201911238352 A CN201911238352 A CN 201911238352A CN 110818381 A CN110818381 A CN 110818381A
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- 239000000835 fiber Substances 0.000 title claims abstract description 77
- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000000843 powder Substances 0.000 claims abstract description 58
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 33
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 33
- -1 polypropylene Polymers 0.000 claims abstract description 30
- 239000002699 waste material Substances 0.000 claims abstract description 30
- 239000002023 wood Substances 0.000 claims abstract description 30
- 229940050906 magnesium chloride hexahydrate Drugs 0.000 claims abstract description 27
- DHRRIBDTHFBPNG-UHFFFAOYSA-L magnesium dichloride hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-] DHRRIBDTHFBPNG-UHFFFAOYSA-L 0.000 claims abstract description 27
- 239000003607 modifier Substances 0.000 claims abstract description 27
- 239000004743 Polypropylene Substances 0.000 claims abstract description 26
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 26
- 239000011707 mineral Substances 0.000 claims abstract description 26
- 229920001155 polypropylene Polymers 0.000 claims abstract description 26
- 239000002893 slag Substances 0.000 claims abstract description 21
- 241000196324 Embryophyta Species 0.000 claims description 37
- 238000002156 mixing Methods 0.000 claims description 27
- 235000010755 mineral Nutrition 0.000 claims description 25
- 239000011343 solid material Substances 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 239000002002 slurry Substances 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 238000004132 cross linking Methods 0.000 claims description 8
- 239000003431 cross linking reagent Substances 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 7
- 239000011734 sodium Substances 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 239000011790 ferrous sulphate Substances 0.000 claims description 3
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 3
- 229960001763 zinc sulfate Drugs 0.000 claims description 3
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 3
- 239000003973 paint Substances 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 239000005871 repellent Substances 0.000 description 8
- 230000002940 repellent Effects 0.000 description 8
- 239000004568 cement Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- LIRDHUDRLFDYAI-UHFFFAOYSA-H iron(3+);trisulfite Chemical compound [Fe+3].[Fe+3].[O-]S([O-])=O.[O-]S([O-])=O.[O-]S([O-])=O LIRDHUDRLFDYAI-UHFFFAOYSA-H 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- IQYKECCCHDLEPX-UHFFFAOYSA-N chloro hypochlorite;magnesium Chemical compound [Mg].ClOCl IQYKECCCHDLEPX-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002154 agricultural waste Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
- B28B1/523—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement containing metal fibres
-
- 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
- C04B2111/40—Porous or lightweight materials
-
- 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
- C04B2111/52—Sound-insulating materials
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a plant fiber polymerization light wallboard and a preparation method thereof, belonging to the field of building materials. Comprises 40-55 parts of magnesium chloride hexahydrate; 80-90 parts of light calcined powder; 10-40 parts of sawdust slag; 10-20 parts of waste wood strips; 1-5 parts of superfine mineral micro powder; 1-5 parts of a reinforcing agent; 0.1-2 parts of hydrochloric acid; 0.1-1 part of water reducing agent; 1-10 parts of a modifier; 0.1-1 part of polypropylene fiber. The plant fiber in the invention comprises sawdust residue and waste wood strips, the length of the fiber in the waste wood strips is large, the breaking resistance, tensile resistance and compression resistance of the light wallboard can be effectively improved, and the strength of the obtained light wallboard is 2-3 times higher than that of the common added plant fiber and 5-6 times higher than that of the plant fiber light wallboard specified by the national standard.
Description
Technical Field
The invention relates to the field of building materials, in particular to a plant fiber polymerization light wallboard and a preparation method thereof.
Background
One kind of light plant wall board is produced with known magnesium oxychloride cement or polymer material modified magnesium oxychloride cement, plant fiber, glass fiber and water and through mixing, stirring, curing and forming in mold. When they are just made, they have the advantages of high strength, light weight, fire-proofing, sound-proofing and shock-proofing property, etc., and can be freely made into various forms, and can be conveniently mounted on the spot. The publication No. CN109057141A discloses a light wallboard, which comprises an outer layer, a middle layer and an inner layer; one or more materials of bamboo fiber, calcium carbonate, light ceramsite and fly ash are added into the outer layer of the wall board, so that the elasticity of the wall board is improved. Publication No. CN101088952A discloses a high-strength light wallboard material, which is prepared from 50-70% of industrial waste residue powder and calcined gypsum: 5-10% of cement clinker, 10-20% of agricultural waste plant fiber powder, 5-15% of anti-crack short fiber 0.13kg/m2 wallboard-0.18 kg/m2 wallboard and 5-10% of composite excitant, wherein the plant fiber powder is also used as an additive to form the light wallboard with high strength and folding resistance. The publication No. CN1755043A discloses a plant light composite wallboard for construction, which comprises 40-60% of light burning powder, 19-30% of halogen powder, 20-30% of water, 0.01-15% of admixture, 12-18% of plant fiber and 68-32% of sand which are fully mixed according to different sequences. Its main functions are high strength, light weight, sound insulation, fire prevention and shock resistance. The publication No. CN104150830A discloses a light wallboard and a preparation method thereof, wherein the wallboard comprises 400 parts of cement 200-. The content of the plant fiber in the above patents is low, and the flexural strength, tensile strength and abrasion resistance are reduced to a certain extent.
Disclosure of Invention
The invention provides a plant fiber polymerized light wallboard which has high bending resistance, tensile resistance and compression resistance and low cement consumption.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a plant fiber polymerization light wallboard comprises the following components in parts by weight: 40-55 parts of magnesium chloride hexahydrate; 80-90 parts of light calcined powder; 10-40 parts of sawdust slag; 10-20 parts of waste wood strips; 1-5 parts of superfine mineral micro powder; 1-5 parts of a reinforcing agent; 0.1-2 parts of hydrochloric acid; 0.1-1 part of water reducing agent; 1-10 parts of a modifier; 0.1-1 part of polypropylene fiber.
Further, the plant fiber polymerized light wallboard comprises the following components in parts by weight: 45-55 parts of magnesium chloride hexahydrate; 83-90 parts of light calcined powder; 10-30 parts of sawdust slag; 15-20 parts of waste wood strips; 3-5 parts of superfine mineral micro powder; 2-4 parts of a reinforcing agent; 0.5-1.5 parts of hydrochloric acid; 0.5-1 part of water reducing agent; 3-8 parts of a modifier; 0.2 to 0.8 portion of polypropylene fiber.
Further, the plant fiber polymerized light wallboard comprises the following components in parts by weight: 45-55 parts of magnesium chloride hexahydrate; 83-90 parts of light calcined powder; 20-30 parts of sawdust slag; 15-20 parts of waste wood strips; 3-5 parts of superfine mineral micro powder; 2.5-3.5 parts of a reinforcing agent; 0.5-1.0 part of hydrochloric acid; 0.5-0.8 part of water reducing agent; 3-5 parts of a modifier; 0.2-0.5 part of polypropylene fiber.
Further, the reinforcing agent comprises any one or a mixture of several of bamboo fiber, glass fiber and plastic nylon fiber.
Further, the water reducing agent is hydrochloric acid.
Further, the modifier is any one or more of ferrous sulfate, zinc sulfate and sodium fluosilicate.
A preparation method of a plant fiber polymerization light wallboard comprises the following steps:
(1) mixing magnesium chloride hexahydrate and light burning powder, adding a cross-linking agent, and carrying out cross-linking reaction at 40-60 ℃; adding reinforcing agent, water reducing agent, modifier and water, mixing and stirring;
(2) then adding sawdust slag, waste wood strips, superfine mineral micro powder, hydrochloric acid and polypropylene fibers, and fully mixing to obtain slurry;
(3) and putting the slurry into a mold for pressing and shaping, and drying to obtain the light wallboard.
Further, the mixture composed of the magnesium chloride hexahydrate, the light calcined powder, the sawdust and the slag, the waste wood strips, the superfine mineral micro powder, the reinforcing agent, the water reducing agent, the modifier and the polypropylene fibers is a solid material, and the ratio of the addition amount of the water in the step (2) to the feed liquid of the solid material is (1-10): 1.
further, the ratio of the addition amount of water to the solid material in the step (2) is (3-5): 1.
the preparation method of the plant fiber polymerization light wallboard has the beneficial effects that:
(1) according to the invention, the crosslinking agent magnesium chloride hexahydrate and the light-burned powder are added for crosslinking modification to obtain a dense material with higher density, and the high density can effectively improve the heat insulation and sound insulation effects of the wallboard.
(2) The plant fiber in the invention comprises sawdust residue and waste wood strips, the length of the fiber in the waste wood strips is large, the breaking resistance, tensile resistance and compression resistance of the light wallboard can be effectively improved, and the strength of the obtained light wallboard is 2-3 times higher than that of the common added plant fiber and 5-6 times higher than that of the plant fiber light wallboard specified by the national standard.
Detailed Description
The present invention will be described in further detail with reference to the following examples.
Example 1
A plant fiber polymerization light wallboard comprises the following components in parts by weight: 40 parts of magnesium chloride hexahydrate; 80 parts of light calcined powder; 10 parts of sawdust slag; 10 parts of waste wood strips; 1 part of superfine mineral micro powder; 1 part of a reinforcing agent; 0.1 part of hydrochloric acid; 0.1 part of water reducing agent; 1 part of a modifier; 0.1 part of polypropylene fiber.
In the embodiment, the reinforcing agent is formed by mixing bamboo fibers and glass fibers according to the ratio of 2: 1.
In this embodiment, the water reducing agent is hydrochloric acid.
In the embodiment, the modifier is a mixture of ferric sulfite and sodium fluosilicate in a ratio of 2: 1.
The preparation method of the plant fiber polymerization light wallboard comprises the following steps:
(1) mixing magnesium chloride hexahydrate and light burning powder, adding a cross-linking agent, and carrying out cross-linking reaction at 40-60 ℃; adding reinforcing agent, water reducing agent, modifier and water, mixing and stirring;
(2) then adding sawdust slag, waste wood strips, superfine mineral micro powder, hydrochloric acid and polypropylene fibers, and fully mixing to obtain slurry;
(3) and putting the slurry into a mold for pressing and shaping, and drying to obtain the light wallboard.
In the embodiment, a mixture composed of magnesium chloride hexahydrate, light calcined powder, sawdust and slag, waste wood strips, superfine mineral micro powder, a reinforcing agent, a water reducing agent, a modifying agent and polypropylene fibers is a solid material, and the ratio of the addition amount of water in the step (2) to the feed liquid of the solid material is 1: 1.
example 2
A plant fiber polymerization light wallboard comprises the following components in parts by weight: 55 parts of magnesium chloride hexahydrate; 90 parts of light calcined powder; 40 parts of sawdust slag; 20 parts of waste wood strips; 5 parts of superfine mineral micro powder; 5 parts of a reinforcing agent; 2 parts of hydrochloric acid; 1 part of a water reducing agent; 10 parts of a modifier; 1 part of polypropylene fiber.
In the embodiment, the reinforcing agent is formed by mixing bamboo fibers and glass fibers according to the ratio of 2: 1.
In the embodiment, the water reducing agent is hydrochloric acid and a water repellent agent, and the water repellent agent is a synergist commonly used in the field and is a known technology.
In the embodiment, the modifier is a mixture of ferric sulfite and sodium fluosilicate in a ratio of 2: 1.
The preparation method of the plant fiber polymerization light wallboard comprises the following steps:
(1) mixing magnesium chloride hexahydrate and light burning powder, adding a cross-linking agent, and carrying out cross-linking reaction at 40-60 ℃; adding reinforcing agent, water reducing agent, modifier and water, mixing and stirring;
(2) then adding sawdust slag, waste wood strips, superfine mineral micro powder, hydrochloric acid and polypropylene fibers, and fully mixing to obtain slurry;
(3) and putting the slurry into a mold for pressing and shaping, and drying to obtain the light wallboard.
In this embodiment, a mixture of magnesium chloride hexahydrate, light calcined powder, sawdust, waste wood strips, ultrafine mineral micro powder, a reinforcing agent, a water reducing agent, a modifying agent and polypropylene fibers is a solid material, and the ratio of the addition amount of water in step (2) to the feed liquid of the solid material is 5: 1.
example 3
A plant fiber polymerization light wallboard comprises the following components in parts by weight: 45 parts of magnesium chloride hexahydrate; 83 parts of light calcined powder; 30 parts of sawdust slag; 15 parts of waste wood strips; 3 parts of superfine mineral micro powder; 2 parts of a reinforcing agent; 1.5 parts of hydrochloric acid; 0.5 part of a water reducing agent; 3 parts of a modifier; 0.2 part of polypropylene fiber.
In the embodiment, the reinforcing agent is formed by mixing bamboo fibers and glass fibers according to the ratio of 2: 1.
In the embodiment, the water reducing agent is hydrochloric acid and a water repellent agent, and the water repellent agent is a synergist commonly used in the field and is a known technology.
In the embodiment, the modifier is a mixture of ferric sulfite and sodium fluosilicate in a ratio of 2: 1.
The preparation method of the plant fiber polymerization light wallboard comprises the following steps:
(1) mixing magnesium chloride hexahydrate and light burning powder, adding a cross-linking agent, and carrying out cross-linking reaction at 40-60 ℃; adding reinforcing agent, water reducing agent, modifier and water, mixing and stirring;
(2) then adding sawdust slag, waste wood strips, superfine mineral micro powder, hydrochloric acid and polypropylene fibers, and fully mixing to obtain slurry;
(3) and putting the slurry into a mold for pressing and shaping, and drying to obtain the light wallboard.
In this embodiment, a mixture of magnesium chloride hexahydrate, light calcined powder, sawdust, waste wood strips, ultrafine mineral micro powder, a reinforcing agent, a water reducing agent, a modifying agent and polypropylene fibers is a solid material, and the ratio of the addition amount of water in step (2) to the feed liquid of the solid material is 3: 1.
example 4
A plant fiber polymerization light wallboard comprises the following components in parts by weight: 45 parts of magnesium chloride hexahydrate; 83 parts of light calcined powder; 20 parts of sawdust slag; 15 parts of waste wood strips; 3 parts of superfine mineral micro powder; 2.5 parts of a reinforcing agent; 1.0 part of hydrochloric acid; 0.8 part of a water reducing agent; 5 parts of a modifier; 0.5 part of polypropylene fiber.
In the embodiment, the reinforcing agent is formed by mixing bamboo fibers and glass fibers according to the ratio of 2: 1.
In the embodiment, the water reducing agent is hydrochloric acid and a water repellent agent, and the water repellent agent is a synergist commonly used in the field and is a known technology.
In the embodiment, the modifier is a mixture of ferric sulfite and sodium fluosilicate in a ratio of 2: 1.
The preparation method of the plant fiber polymerization light wallboard comprises the following steps:
(1) mixing magnesium chloride hexahydrate and light burning powder, adding a cross-linking agent, and carrying out cross-linking reaction at 40-60 ℃; adding reinforcing agent, water reducing agent, modifier and water, mixing and stirring;
(2) then adding sawdust slag, waste wood strips, superfine mineral micro powder, hydrochloric acid and polypropylene fibers, and fully mixing to obtain slurry;
(3) and putting the slurry into a mold for pressing and shaping, and drying to obtain the light wallboard.
In this embodiment, a mixture of magnesium chloride hexahydrate, light calcined powder, sawdust, waste wood strips, ultrafine mineral micro powder, a reinforcing agent, a water reducing agent, a modifying agent and polypropylene fibers is a solid material, and the ratio of the addition amount of water in step (2) to the feed liquid of the solid material is 5: 1.
example 5
A plant fiber polymerization light wallboard comprises the following components in parts by weight: 45 parts of magnesium chloride hexahydrate; 83 parts of light calcined powder; 20 parts of sawdust slag; 15 parts of waste wood strips; 3 parts of superfine mineral micro powder; 2.5 parts of a reinforcing agent; 1.0 part of hydrochloric acid; 0.8 part of a water reducing agent; 5 parts of a modifier; 0.5 part of polypropylene fiber.
In the embodiment, the reinforcing agent is bamboo fiber, glass fiber and plastic nylon fiber in a ratio of 2:1:2, and mixing.
In the embodiment, the water reducing agent is hydrochloric acid and a water repellent agent, and the water repellent agent is a synergist commonly used in the field and is a known technology.
In the embodiment, the modifier is a mixture of ferrous sulfate, zinc sulfate and sodium fluosilicate in a ratio of 2:1: 2.
The preparation method of the plant fiber polymerization light wallboard comprises the following steps:
(1) mixing magnesium chloride hexahydrate and light burning powder, adding a cross-linking agent, and carrying out cross-linking reaction at 40-60 ℃; adding reinforcing agent, water reducing agent, modifier and water, mixing and stirring;
(2) then adding sawdust slag, waste wood strips, superfine mineral micro powder, hydrochloric acid and polypropylene fibers, and fully mixing to obtain slurry;
(3) and putting the slurry into a mold for pressing and shaping, and drying to obtain the light wallboard.
In this embodiment, a mixture of magnesium chloride hexahydrate, light calcined powder, sawdust, waste wood strips, ultrafine mineral micro powder, a reinforcing agent, a water reducing agent, a modifying agent and polypropylene fibers is a solid material, and the ratio of the addition amount of water in step (2) to the feed liquid of the solid material is 5: 1.
the detection data obtained by detecting the sample 5 are shown in table 1:
TABLE 1
As can be seen from Table 1, compared with the detection national standard, the impact resistance of the lightweight board obtained by the invention can be 5 times higher, and the bending resistance is greatly improved, so that the lightweight board has unexpected effects.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (9)
1. A plant fiber polymerization light wallboard is characterized in that: the paint comprises the following components in parts by weight: 40-55 parts of magnesium chloride hexahydrate; 80-90 parts of light calcined powder; 10-40 parts of sawdust slag; 10-20 parts of waste wood strips; 1-5 parts of superfine mineral micro powder; 1-5 parts of a reinforcing agent; 0.1-2 parts of hydrochloric acid; 0.1-1 part of water reducing agent; 1-10 parts of a modifier; 0.1-1 part of polypropylene fiber.
2. The plant fiber polymeric lightweight wallboard of claim 1, wherein: the paint comprises the following components in parts by weight: 45-55 parts of magnesium chloride hexahydrate; 83-90 parts of light calcined powder; 10-30 parts of sawdust slag; 15-20 parts of waste wood strips; 3-5 parts of superfine mineral micro powder; 2-4 parts of a reinforcing agent; 0.5-1.5 parts of hydrochloric acid; 0.5-1 part of water reducing agent; 3-8 parts of a modifier; 0.2 to 0.8 portion of polypropylene fiber.
3. The plant fiber polymeric lightweight wallboard of claim 1, wherein: the paint comprises the following components in parts by weight: 45-55 parts of magnesium chloride hexahydrate; 83-90 parts of light calcined powder; 20-30 parts of sawdust slag; 15-20 parts of waste wood strips; 3-5 parts of superfine mineral micro powder; 2.5-3.5 parts of a reinforcing agent; 0.5-1.0 part of hydrochloric acid; 0.5-0.8 part of water reducing agent; 3-5 parts of a modifier; 0.2-0.5 part of polypropylene fiber.
4. The plant fiber polymeric lightweight wallboard of claim 1, wherein: the reinforcing agent comprises any one or a mixture of several of bamboo fiber, glass fiber and plastic nylon fiber.
5. The plant fiber polymeric lightweight wallboard of claim 1, wherein: the water reducing agent is hydrochloric acid.
6. The plant fiber polymeric lightweight wallboard of claim 1, wherein: the modifier is any one or more of ferrous sulfate, zinc sulfate and sodium fluosilicate.
7. A method of making the plant fiber polymeric lightweight wallboard of any of claims 1-6, wherein: the method comprises the following steps:
(1) mixing magnesium chloride hexahydrate and light burning powder, adding a cross-linking agent, and carrying out cross-linking reaction at 40-60 ℃; adding reinforcing agent, water reducing agent, modifier and water, mixing and stirring;
(2) then adding sawdust slag, waste wood strips, superfine mineral micro powder, hydrochloric acid and polypropylene fibers, and fully mixing to obtain slurry;
(3) and putting the slurry into a mold for pressing and shaping, and drying to obtain the light wallboard.
8. The method for preparing the plant fiber polymerization lightweight wallboard according to claim 7, characterized in that: the mixture composed of the magnesium chloride hexahydrate, the light calcined powder, the sawdust and the waste wood chips, the superfine mineral micro powder, the reinforcing agent, the water reducing agent, the modifying agent and the polypropylene fiber is a solid material, and the ratio of the addition amount of the water in the step (2) to the feed liquid of the solid material is (1-10): 1.
9. the method for preparing the plant fiber polymerized light wallboard according to claim 8, characterized in that: the ratio of the addition amount of the water to the solid material in the step (2) is (3-5): 1.
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