CN101602224B - Flame-retardant fiber board and manufacturing method thereof - Google Patents
Flame-retardant fiber board and manufacturing method thereof Download PDFInfo
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- CN101602224B CN101602224B CN2009103036574A CN200910303657A CN101602224B CN 101602224 B CN101602224 B CN 101602224B CN 2009103036574 A CN2009103036574 A CN 2009103036574A CN 200910303657 A CN200910303657 A CN 200910303657A CN 101602224 B CN101602224 B CN 101602224B
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- fiber
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- magnesium sulfate
- inorganic adhesive
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000011094 fiberboard Substances 0.000 title claims abstract description 13
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 239000003063 flame retardant Substances 0.000 title claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 45
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims abstract description 30
- 239000000853 adhesive Substances 0.000 claims abstract description 26
- 230000001070 adhesive effect Effects 0.000 claims abstract description 26
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims abstract description 15
- 235000019341 magnesium sulphate Nutrition 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 12
- 238000012216 screening Methods 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000002023 wood Substances 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000007731 hot pressing Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 239000010902 straw Substances 0.000 claims abstract description 3
- 238000004078 waterproofing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 230000002708 enhancing effect Effects 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 239000011152 fibreglass Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000012467 final product Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000004014 plasticizer Substances 0.000 abstract 2
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 230000002950 deficient Effects 0.000 description 5
- 229920002522 Wood fibre Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000010425 asbestos Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229910052895 riebeckite Inorganic materials 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920000914 Metallic fiber Polymers 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000002742 anti-folding effect Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a flame-retardant fiber board and a manufacturing method thereof. The flame-retardant fiber board is prepared from the following raw materials in portion by weight: 80 to 120 portions of fiber, 80 to 120 portions of magnesia, 80 to 200 portions of water solution of magnesium sulfate, 5 to 30 portions of active silica, 0.5 to 2 portions of organosilicon waterproof agent, and 0.5 to 1.5 portions of plasticizer. The manufacturing method comprises the steps: 1) preparing the fiber, namely cleaning and drying crop straws, wood branches or wood processing residual materials, and then obtaining the fiber through the crushing by a crushing machine; 2) preparing an inorganic adhesive, namely mixing the magnesia, the water solution of the magnesium sulfate, the active silica, the organosilicon waterproof agent and the plasticizer, and stirring the mixture to obtain the inorganic adhesive; 3) mixing the fiber and the inorganic adhesive prepared through the step 1 and thestep 2, stirring the mixture, and paving the mixture after the screening by a screening machine; 4) paving a reinforcing network on the upper and lower surfaces of a paved slab; and 5) finally performing hot pressing on the board paved with the reinforcing network for 10 to 25 minutes at a temperature of between 100 and 110 DEG C at a pressure of between 12 and 30MPa to obtain the flame-retardantfiber board. The flame-retardant fiber board has broad application field.
Description
Technical field
The present invention relates to composite board and manufacture method, refer in particular to a kind of a kind of flame-retardant fiber board and manufacture method thereof of utilizing crop branch fiber, wood fibre and inorganic adhesive to adopt hot-press method to make.
Background technology
One, be the wood-base fibre and particle panel material of main raw material(s) with log, the wooden tip, wooden sheet at present, have following defective as conventional panels such as core-board, density board, fiberboard, shaving board, laminates: 1) resource defective: raw material resources is very limited, need to consume a large amount of timber, resource consumption is big, and wherein veneer country is with limit production; 2) environmental protection defective: bonding adhesive that board materials production has been used mainly is a resinousness organic adhesion agent (as urea-formaldehyde resin adhesive), contains poisonous volatile matters such as formaldehyde, benzene,toluene,xylene; 3) performance deficiency: all wooden boards are not all prevented fires without handling, and are non-watertight.Two, there is following defective in the inorganic artificial plate based on inorganic coagulation materials such as portland cement, low alkali cement, magnesia cements: 1) environmental protection defective: part sheet material contains asbestos, and human body is had harm, as uralite, and calcium silicate board with microporous.Country expressly forbids producing building material product with asbestos; 2) performance deficiency: present most inorganic artificial sheet materials are than great, and carrying is inconvenient, and plate body is rigidity, and not shock resistance is frangible, frangibility.And the magnesite board unstable properties, is got damp at easy general halogen; 3) manufacturing deficiency: most inorganic artificial plates are wallpapering work, aluminium-plastic panel, facing PLASTIC LAMINATED, wooden skin, PVC, oil spout lacquer or emulsion paint etc. not directly, unavailable wood working tool is directly cut out and is cut processing, and nail-holding ability is poor, and there is a big difference for its processing characteristics and wooden boards.
Summary of the invention
The objective of the invention is to be improved, innovate at shortcoming that exists in the background technology and problem, a kind of crop branch fiber or good impact resistance, nail-holding ability of wood fibre utilized is provided, the tensile property of glass fiber or metallic fiber excellence, and exclusive fire prevention, the water resistance of inorganic adhesive organically combines flame-retardant fiber board and the manufacture method of making thereof.
The present invention is made by the raw material of following weight portion:
Fiber 80-120, magnesia 80-120, magnesium sulfate solution 80-200, active silica 5-30, waterproofing agent of organosilicon 0.5-2, plasticizing agent 0.5-1.5.
Manufacture method of the present invention may further comprise the steps:
1) preparation fiber:, pulverize through mill again and make fiber with agricultural crop straw, timber branch or Wood Processing residue material cleaning, drying;
2) prepare inorganic adhesive: magnesia, magnesium sulfate solution, active silica, waterproofing agent of organosilicon and plasticizing agent mixing, stirring are made inorganic adhesive;
3) will mix stirring through fiber and the inorganic adhesive that above step 1 and 2 makes, after the screening machine screening, mat formation;
4) spread the enhancing net on the upper and lower surface of the slab that paves;
5) sheet material that will spread the enhancing net at last hot pressing 10-25 minute, gets final product under 100-110 ℃ of temperature, 12-30Mpa pressure condition.
Each raw-material optimum weight part of the present invention is:
Fiber 100, magnesia 100, magnesium sulfate solution 130, active silica 10, waterproofing agent of organosilicon 1, plasticizing agent 0.8.
The fiber of being distributed as of fibre length of the present invention: 5-10mm accounts for 15-20%, and the fiber of 3-5mm accounts for 46-60%, and the fiber of 1-3mm accounts for 10-15%, and all the other fibre lengths are below the 1mm, and wherein the moisture content of fiber is controlled between the 10-12%.
Magnesian content of the present invention is more than 80%.
The content of magnesium sulfate solution magnesium sulfate of the present invention is 25-30%.
Enhancing net of the present invention adopts fiberglass gridding cloth, perhaps uses metal grill.
The present invention has following beneficial effect:
1) material is easy to get: its main raw material(s) crop branch fiber or wood fibre are cheap, and the source is wide.
2) environmental protection: all fibres does not contain asbestos, and used adhesive does not contain poisonous volatile matters such as formaldehyde, benzene,toluene,xylene, and is radiationless.
3) fire-proof and water-proof: though used raw material crop branch fiber or the wood fibre of the present invention is inflammable, but the fire-proof and water-proof that inorganic adhesive is exclusive, as pressing different proportioning sheet formings, after testing, its combustibility can reach does not fire A level or difficult combustion B1 level, continuous dipping is 7 days in the water, does not ftracture, and is not stratified.
4) not general halogen, water gets damp, and chloride ion content is zero.
5) excellent performance: the mutual supplement with each other's advantages of multi-component fibre, particularly the addition of stalk fibre has reached 40-70%, substantially exceed the addition of other inorganic plate fiber, it is tempered toughness with gentleness, processing characteristics with wooden boards, anti-folding, shock resistance, nail-holding ability is strong, and its combination property can compare favourably with medium-density plate.
6) two sides of the present invention is smooth smooth, precision height, diverse in function, can be directly at its surperficial wallpapering work, aluminium-plastic panel, facing PLASTIC LAMINATED, wooden skin, PVC, but oil spout lacquer or emulsion paint etc. have fabulous affinity to material, can carry out secondary operations at the scene, but also secondary uses.
The adhesive that the present invention adopts is the inorganic adhesive of self-control, has the hydraulicity, the water resistance excellence, and application of the present invention is wide, can be widely used in the building indoor and outdoor decoration, and furniture, cabinet, sound equipment are made, ad production, construction formwork and other special plate of using.
Survey report of the present invention such as following table: (with reference to density board, the shaving board national standard)
The specific embodiment
Embodiment one:
1) preparation fiber:, pulverize through mill again and make stalk fibre with 80kg crops cotton stalk cleaning, drying;
2) prepare inorganic adhesive: with 80kg content is that 80% magnesia, 80kg content are 25% magnesium sulfate solution, 5kg active silica, and 0.5kg waterproofing agent of organosilicon and 0.5kg plasticizing agent mix, stir and make inorganic adhesive;
3) fiber that above step 1 and 2 is made and inorganic adhesive mix stirring, mat formation after the screening machine screening;
4) spread 4 * 4 fiberglass gridding cloth on the upper and lower surface of the slab that paves;
5) sheet material that will spread fiberglass gridding cloth at last is under 100 ℃ of temperature, 12Mpa pressure condition, and hot pressing 10 minutes gets final product.
Embodiment two:
1) preparation fiber:, pulverize through mill again and make the wood wool fiber with 100kg timber cleaning, drying;
2) prepare inorganic adhesive: with 100kg content is that 85% magnesia, 130kg content are that 26% magnesium sulfate solution, 10kg active silica, 1kg waterproofing agent of organosilicon and 0.8kg plasticizing agent mix, stir and make inorganic adhesive;
3) fiber that above step 1 and 2 is made and inorganic adhesive mix stirring, mat formation after the screening machine screening;
4) spread 5 * 5 fiberglass gridding cloth on the upper and lower surface of the slab that paves;
5) sheet material that will spread fiberglass gridding cloth at last is under 105 ℃ of temperature, 22Mpa pressure condition, and hot pressing 20 minutes gets final product.
Embodiment three:
1) preparation fiber:, pulverize through mill again and make the wood wool fiber with 120kg timber cleaning, drying;
2) prepare inorganic adhesive: with 120kg content is that 90% magnesia, 200kg content are that 28% magnesium sulfate solution, 30kg active silica, 2kg waterproofing agent of organosilicon and 1.5kg plasticizing agent mix, stir and make inorganic adhesive;
3) fiber that above step 1 and 2 is made and inorganic adhesive mix stirring, mat formation after the screening machine screening;
4) spread 4 * 4 metal grill on the upper and lower surface of the slab that paves;
5) sheet material that will spread metal grill at last is under 110 ℃ of temperature, 30Mpa pressure condition, and hot pressing 25 minutes gets final product.
Embodiment of the present invention only is the description that preferred implementation of the present invention is carried out; be not that design of the present invention and scope are limited; under the prerequisite that does not break away from design philosophy of the present invention; engineers and technicians make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.
Claims (5)
1. flame-retardant fiber board is characterized in that it is to be made by the raw material that strengthen net and following weight portion:
Fiber 80-120, purity content are the magnesia 80-120 more than 80%, and magnesium sulfate content is the magnesium sulfate solution 80-200 of 25-30%, active silica 5-30, waterproofing agent of organosilicon 0.5-2, plasticizing agent 0.5-1.5.
2. a kind of flame-retardant fiber board according to claim 1 is characterized in that described each raw-material optimum weight part is:
Fiber 100, purity content are 85% magnesia 100, and magnesium sulfate content is 26% magnesium sulfate solution 130, active silica 10, waterproofing agent of organosilicon 1, plasticizing agent 0.8.
3. the manufacture method of flame-retardant fiber board according to claim 1 and 2 is characterized in that may further comprise the steps:
1) preparation fiber:, pulverize through mill again and make fiber with agricultural crop straw, timber branch or Wood Processing residue material cleaning, drying;
2) prepare inorganic adhesive: magnesia, magnesium sulfate solution, active silica, waterproofing agent of organosilicon and plasticizing agent mixing, stirring are made inorganic adhesive;
3) will mix stirring through fiber and the inorganic adhesive that above step 1 and 2 makes, after the screening machine screening, mat formation;
4) spread the enhancing net on the upper and lower surface of the slab that paves;
5) slab that will spread the enhancing net at last hot pressing 10-25 minute, gets final product under 100-110 ℃ of temperature, 12-30Mpa pressure condition.
4. the manufacture method of a kind of flame-retardant fiber board according to claim 3, it is characterized in that being distributed as of described fibre length: 5mm＜fiber≤10mm accounts for 15-20%, the fiber of 3mm＜fiber≤5mm accounts for 46-60%, the fiber of 1mm≤fiber≤3mm accounts for 10-15%, all the other fibre lengths are below the 1mm, and wherein the moisture content of fiber is controlled between the 10-12%.
5. the manufacture method of a kind of flame-retardant fiber board according to claim 3 is characterized in that described enhancing net adopts fiberglass gridding cloth, perhaps uses metal grill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103036574A CN101602224B (en) | 2009-06-25 | 2009-06-25 | Flame-retardant fiber board and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103036574A CN101602224B (en) | 2009-06-25 | 2009-06-25 | Flame-retardant fiber board and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101602224A CN101602224A (en) | 2009-12-16 |
| CN101602224B true CN101602224B (en) | 2011-06-22 |
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| CN2009103036574A Expired - Fee Related CN101602224B (en) | 2009-06-25 | 2009-06-25 | Flame-retardant fiber board and manufacturing method thereof |
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| CN111660401A (en) * | 2020-05-22 | 2020-09-15 | 余景春 | Formaldehyde-free mineral glue density board and preparation process thereof |
| CN113072324B (en) * | 2021-03-30 | 2022-08-16 | 金木美佳(唐山)科技有限公司 | High-performance composite fiberboard and preparation method thereof |
| CN114833912B (en) * | 2022-04-06 | 2024-01-26 | 千年舟新材科技集团股份有限公司 | Straw composite board and manufacturing method thereof |
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- 2009-06-25 CN CN2009103036574A patent/CN101602224B/en not_active Expired - Fee Related
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