CN113530415A - Household aldehyde-free fireproof door and preparation method thereof - Google Patents
Household aldehyde-free fireproof door and preparation method thereof Download PDFInfo
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- CN113530415A CN113530415A CN202110894889.2A CN202110894889A CN113530415A CN 113530415 A CN113530415 A CN 113530415A CN 202110894889 A CN202110894889 A CN 202110894889A CN 113530415 A CN113530415 A CN 113530415A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 39
- 238000003825 pressing Methods 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 238000007493 shaping process Methods 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 239000000701 coagulant Substances 0.000 claims description 51
- 239000007767 bonding agent Substances 0.000 claims description 48
- 239000000395 magnesium oxide Substances 0.000 claims description 26
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 26
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 17
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 239000012752 auxiliary agent Substances 0.000 claims description 14
- 238000009966 trimming Methods 0.000 claims description 13
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 11
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 11
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 238000004513 sizing Methods 0.000 claims description 9
- 239000012745 toughening agent Substances 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 230000036541 health Effects 0.000 claims description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 6
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 238000001723 curing Methods 0.000 claims description 3
- 239000011094 fiberboard Substances 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims 2
- 238000005345 coagulation Methods 0.000 claims 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract description 6
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 239000012796 inorganic flame retardant Substances 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 31
- 239000010902 straw Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 241000209140 Triticum Species 0.000 description 3
- 235000021307 Triticum Nutrition 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 2
- 229910001425 magnesium ion Inorganic materials 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000037007 arousal Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
-
- 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
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
-
- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
- C04B28/105—Magnesium oxide or magnesium carbonate cements
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/7001—Coverings therefor; Door leaves imitating traditional raised panel doors, e.g. engraved or embossed surfaces, with trim strips applied to the surfaces
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/76—Use at unusual temperatures, e.g. sub-zero
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a household aldehyde-free fireproof door and a preparation method thereof. According to the household aldehyde-free fireproof door and the preparation method thereof, the door core plate and the door panel are prepared by the crushed plant powder and the plate condensing agent, the waterproofness and the flame retardance of the door core plate and the door panel are improved, the waterproof performance is good, the inorganic flame-retardant plate condensing agent is used for condensing, green manufacturing can be realized, the production process is more environment-friendly, no formaldehyde, toluene and other harmful substances are volatilized, the preparation process is simple, cold pressing and shaping are realized, the production efficiency is higher, the practicability is high, and the industrial popularization and use are suitable.
Description
Technical Field
The invention belongs to the technical field of household articles, and particularly relates to a household aldehyde-free fireproof door and a preparation method thereof.
Background
Along with arousal and improvement of people's environmental protection consciousness, people's requirement to the environmental protection nature and the fire resistance of domestic door improves gradually, but the fire door on the present market is the finished product that adopts harmful substance bonding such as formaldehyde, and is unfavorable to health and environment, and fire behavior needs to improve in addition.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a household aldehyde-free fireproof door and a preparation method thereof.
In order to achieve the purpose and achieve the technical effect, the invention adopts the technical scheme that:
the utility model provides a fire door is prevented to domestic no aldehyde, includes the membrane veneer that sets gradually from top to bottom, door panel, door core and door panel, and the membrane veneer, door panel, door core and door panel are packed by door core frame parcel and use the fire prevention fibreboard in the clearance.
Further, the door panel is prepared from the raw materials of the crushed plant powder and the plate coagulating agent, wherein the weight ratio of the crushed plant powder to the plate coagulating agent is 1-3: 1-5, the plate bonding agent comprises A bonding agent, B bonding agent and magnesium oxide, and the weight ratio of the A bonding agent to the B bonding agent to the magnesium oxide is 12-16: 1-4: 5-15.
Further, the door core plate is prepared from the raw materials of the crushed plant powder and the plate coagulating agent, wherein the weight ratio of the crushed plant powder to the plate coagulating agent is 1-3: 1-5, the plate bonding agent comprises A bonding agent, B bonding agent and magnesium oxide, and the weight ratio of the A bonding agent to the B bonding agent to the magnesium oxide is 12-16: 1-4: 5-15.
Further, the A coagulant comprises the following components in parts by weight: 40-65 parts of water, 30-39 parts of an auxiliary agent and 1-10 parts of a blending agent, wherein the auxiliary agent is one or the combination of two of magnesium sulfate and calcium carbonate, and the blending agent is one or the combination of more of acetic acid, citric acid and glycol.
Further, the B coagulant comprises the following components in parts by weight: 70-90 parts of water, 10-30 parts of a toughening agent and 1-10 parts of sodium polyacrylate, wherein the toughening agent comprises silicon micro powder.
The invention discloses a preparation method of a household aldehyde-free fireproof door, which comprises the following steps:
s1, preparing the door core board
S11, crushing the prepared plant material to obtain crushed plant powder with the length not more than 5mm and the width not more than 1mm, and then carrying out moisture content treatment, wherein the moisture content of the crushed plant powder is 5-15%; the plant material is selected from wood, bamboo, straw, rice straw, wheat straw or other plant roots, stems and leaves;
s12, preparing the plate cementing agent
S121, preparation of A Binder
Mixing 40-65 parts of water, 1-10 parts of blender and 30-39 parts of auxiliary agent according to parts by weight, uniformly stirring, filtering, and removing filter residue;
s122, preparation of a B coagulant
Mixing 70-90 parts of water, 10-30 parts of toughening agent and 1-10 parts of sodium polyacrylate according to parts by weight, uniformly stirring, filtering, and removing filter residues;
s123, A coagulant, B coagulant and magnesium oxide, wherein the mass ratio of the S123 to the A coagulant to the B coagulant to the magnesium oxide is 12-16: 1-4: 5-15 weight ratio to obtain a plate bonding agent;
s13, conveying the crushed plant powder obtained in the step S11 to a stirrer, and adding the plate coagulating agent obtained in the step S12, wherein the weight ratio of the crushed plant powder to the plate coagulating agent is 1-3: 1-5, stirring uniformly for later use;
s14 paving
Paving the material obtained in the step S13 on a base plate, and uniformly paving to form a plate blank;
s15 cold pressing
Placing the plate blank and the base plate in an adaptive mold, and cold-pressing in a cold press at the pressure of 3-20 MPa;
s16, shaping the plate
After the pressure of the cold press is balanced, locking the die, keeping the pressure, unloading the die from the cold press after cold pressing for a period of time, and standing for 1-3 days at normal temperature;
s17, removing the mould
After standing and shaping for 1-3 days, removing the die and the backing plate;
s18, balancing health
Preserving the slabs after the mold is removed for 3-10 days in a natural environment;
s19, trimming
Trimming off the burrs at the edge of the raised plate blank;
s20, drying
Putting the plate blank obtained in the step 10) into a dryer for drying, wherein the drying temperature is 100 ℃ and 170 ℃, the drying time is 15-180min, and the drying moisture content is 8-12%;
s21, sanding to fix thickness
S22, sawing edges, sizing and blanking;
s2, preparing a door panel according to the step S1
S3, gluing the door panel, and then laminating the film to obtain the film veneer
S4, health preserving
S5 trimming and sizing
S6, gluing the door core board, arranging the film veneer, the door panel, the door core board and the door panel from top to bottom, wrapping the film veneer, the door panel, the door core board and the door panel by using an LVL (laminated veneer lumber) strip as a door core frame, filling fireproof fiber boards in gaps, and then cold pressing, curing, trimming, sizing and edge sealing.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a household aldehyde-free fireproof door and a preparation method thereof. The invention utilizes the crushed plant powder and the plate coagulating agent to prepare the door core plate and the door panel, improves the waterproofness and the fire resistance of the door core plate and the door panel, is resistant to water bubbles and not easy to deform, has wide raw material sources of the door core plate and the door panel and low cost, utilizes the inorganic fire-retardant plate coagulating agent to replace the traditional wood adhesive to coagulate the plate, abandons the adhesive bonding mode in the prior art, realizes green manufacture on the premise of ensuring firm bonding, can completely realize no harmful organic volatile matters such as formaldehyde, toluene and the like, ensures that the system is weakly acidic by adding citric acid and/or acetic acid and adjusting the pH value of the system, improves the antifreezing property of the system by adding glycol, ensures normal use under the cold condition below zero degree, generates new chemical bonds by adding sodium polyacrylate, can increase the adhesive force between each fiber, make the intensity increase of preventing fire door, simultaneously can react with the magnesium ion, generate insoluble metal salt, further make production curing process speeding up, prevent fire door's toughness and intensity also because of further promotion, difficult fracture, prolonged life, can improve the holistic toughness of preventing fire door through adding silica powder, magnesium oxide and magnesium sulfate are as fire resistive material, generate the hard crystal of texture in solution, connect each wood fiber, it is whole to make it form, can hydrolyze at the solution and provide the magnesium ion, with the reaction acceleration of sodium polyacrylate solidification, whole preparation simple process, need not the hot pressing, only need cold pressing the design, production efficiency is higher, the production process is more environmental protection, therefore, the clothes hanger is strong in practicability, and is suitable for the industrialization to use widely.
Detailed Description
The following detailed description of the embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to clearly and clearly define the scope of the present invention.
Example 1
The utility model provides a fire door is prevented to domestic no aldehyde, includes the membrane veneer that sets gradually from top to bottom, door panel, door core and door panel, and the membrane veneer, door panel, door core and door panel are packed by door core frame parcel and use the fire prevention fibreboard in the clearance.
The door panel is prepared from the raw materials of crushed plant powder and a plate coagulating agent, wherein the weight ratio of the crushed plant powder to the plate coagulating agent is 3: 5, the plate bonding agent comprises an A bonding agent, a B bonding agent and magnesium oxide, and the weight ratio of the A bonding agent to the B bonding agent to the magnesium oxide is 12: 2: 5.
the door core plate is prepared from the raw materials of crushed plant powder and a plate coagulating agent, wherein the weight ratio of the crushed plant powder to the plate coagulating agent is 1: 5, the plate bonding agent comprises A bonding agent, B bonding agent and magnesium oxide, and the weight ratio of the A bonding agent to the B bonding agent to the magnesium oxide is 15: 3: 10.
the A coagulant comprises the following components in parts by weight: 40 parts of water, 39 parts of an auxiliary agent and 10 parts of a blender, wherein the auxiliary agent is magnesium sulfate, and the blender is acetic acid.
The B coagulant comprises the following components in parts by weight: 70 parts of water, 30 parts of a silicon micropowder toughening agent and 10 parts of sodium polyacrylate.
A preparation method of a household aldehyde-free fireproof door comprises the following steps:
s1, preparing the door core board
S11, crushing the prepared wheat straw to obtain crushed plant powder with the length not more than 4mm and the width not more than 1mm, and then carrying out moisture content treatment, wherein the moisture content of the crushed plant powder is 12%;
s12, preparing the plate cementing agent
S121, preparation of A Binder
Mixing 40 parts of water, 10 parts of blending agent and 39 parts of auxiliary agent according to parts by weight, uniformly stirring, filtering, and removing filter residues;
s122, preparation of a B coagulant
Mixing 70 parts of water, 30 parts of a toughening agent and 10 parts of sodium polyacrylate according to parts by weight, uniformly stirring, filtering, and removing filter residues;
s123, A coagulant, B coagulant and magnesium oxide, wherein the mass ratio of the S123 to the A coagulant to the B coagulant to the magnesium oxide is 15: 3: uniformly mixing the raw materials in a weight ratio of 10 to obtain a plate material coagulant;
s13, conveying the crushed plant powder obtained in the step S11 to a stirrer, and adding the plate coagulating agent obtained in the step S12, wherein the weight ratio of the crushed plant powder to the plate coagulating agent is 1: 5, uniformly stirring for later use;
s14 paving
Paving the material obtained in the step S13 on a base plate, and uniformly paving to form a plate blank;
s15 cold pressing
Placing the plate blank and the base plate in an adaptive die, and cold-pressing in a cold press at the pressure of 3 MPa;
s16, shaping the plate
After the pressure of the cold press is balanced, locking the die, keeping the pressure, unloading the die from the cold press after cold pressing for a period of time, and standing for 2 days at normal temperature;
s17, removing the mould
After standing and shaping for 2 days, removing the die and the backing plate;
s18, balancing health
Preserving the slabs for 5 days in a natural environment after the mould is removed;
s19, trimming
Trimming off the burrs at the edge of the raised plate blank;
s20, drying
Putting the plate blank obtained in the step 10) into a dryer for drying at the drying temperature of 130 ℃ for 40min, wherein the drying water content is 8%;
s21, sanding to fix the thickness to 30 mm;
s22, sawing edges, sizing, blanking and sawing into a plurality of blocks 700 x 500 mm;
s2, preparing a door panel;
crushing the prepared wheat straw to obtain crushed plant powder with the length not more than 1mm and the width not more than 1mm, and then carrying out moisture content treatment on the crushed plant powder to ensure that the moisture content of the crushed plant powder is 12%;
preparation of the plate Binder
Preparation of A Binder
Mixing 40 parts of water, 10 parts of blending agent and 39 parts of auxiliary agent according to parts by weight, uniformly stirring, filtering, and removing filter residues;
preparation of the B Binder
Mixing 70 parts of water, 30 parts of a toughening agent and 10 parts of sodium polyacrylate according to parts by weight, uniformly stirring, filtering, and removing filter residues;
the A coagulant, the B coagulant and the magnesium oxide are mixed according to the proportion of 12: 2: 5, uniformly mixing to obtain a plate bonding agent;
and (4) conveying the crushed plant powder obtained in the step (S11) to a stirrer, adding the plate coagulating agent obtained in the step (S12), wherein the weight ratio of the crushed plant powder to the plate coagulating agent is 3: 5, uniformly stirring for later use;
paving
Paving the material obtained in the step S13 on a base plate, and uniformly paving to form a plate blank;
cold pressing
Placing the plate blank and the base plate in an adaptive mold, and cold-pressing in a cold press at the pressure of 20 MPa;
shaping of sheet material
After the pressure of the cold press is balanced, locking the die, keeping the pressure, unloading the die from the cold press after cold pressing for a period of time, and standing for 3 days at normal temperature;
mold dismounting device
After standing and shaping for 3 days, removing the die and the backing plate;
balance health preserving
Preserving the slabs for 5 days in a natural environment after the mould is removed;
trimming edge
Trimming off the burrs at the edge of the raised plate blank;
drying by baking
Putting the plate blank obtained in the step 10) into a dryer for drying at the drying temperature of 100 ℃ for 40min to obtain the dried water content of 12%;
sanding to fix the thickness to 3.5 mm;
sawing edges, sizing and blanking;
s3, coating aldehyde-free water-based polyurethane glue on the door panel, and then pressing and pasting a PE film to obtain a film veneer
S4, preserving health for 1-3 days
S5, sawing edges to length;
s6, passing through formaldehyde-free water-based polyurethane adhesive with adhesive amount of 220g/m for the door core plate2Arranging the film veneer, the door panel, the door core board and the door panel from top to bottom in sequence, using an LVL (laminated veneer lumber) strip as a door core frame, wrapping the film veneer, the door panel, the door core board and the door panel, filling fireproof fiber boards in gaps, then cold pressing for 2h under the condition of 6MPa, preserving for 3 days, trimming and sizing to obtain a finished fireproof door of 2180mm 880mm, and finally using a PVC edge sealing strip for edge sealing.
Example 2
The difference between the embodiment and the embodiment 1 is that the door panel is prepared from the raw materials of the crushed plant powder and the plate coagulating agent, wherein the weight ratio of the crushed plant powder to the plate coagulating agent is 2: 5, the plate bonding agent comprises A bonding agent, B bonding agent and magnesium oxide, and the weight ratio of the A bonding agent to the B bonding agent to the magnesium oxide is 15: 2: 15; the door core plate is prepared from the raw materials of crushed plant powder and a plate coagulating agent, wherein the weight ratio of the crushed plant powder to the plate coagulating agent is 1: the plate bonding agent comprises an A bonding agent, a B bonding agent and magnesium oxide, wherein the weight ratio of the A bonding agent to the B bonding agent to the magnesium oxide is 12: 4: 15.
the A coagulant comprises the following components in parts by weight: 65 parts of water, 30 parts of an auxiliary agent and 1 part of a blending agent, wherein the auxiliary agent comprises 15 parts of magnesium sulfate and 15 parts of calcium carbonate, and the blending agent comprises citric acid.
The B coagulant comprises the following components in parts by weight: 90 parts of water, 10 parts of silicon micropowder and 1 part of sodium polyacrylate.
The same as in example 1.
Example 3
The difference between the present example and example 1 is that the door panel and the door core board are made of the same raw materials, and both comprise the crushed plant powder and the board coagulating agent, and the weight ratio of the crushed plant powder to the board coagulating agent is 2.5: 5, the plate bonding agent comprises A bonding agent, B bonding agent and magnesium oxide, and the weight ratio of the A bonding agent to the B bonding agent to the magnesium oxide is 15: 2: 10.
the A coagulant comprises the following components in parts by weight: 55 parts of water, 35 parts of an auxiliary agent and 8 parts of a blending agent, wherein the auxiliary agent comprises 20 parts of magnesium sulfate and 15 parts of calcium carbonate, and the blending agent comprises citric acid.
The B coagulant comprises the following components in parts by weight: 80 parts of water, 25 parts of silicon micropowder and 6 parts of sodium polyacrylate.
The same as in example 1.
The parts of the invention not specifically described can be realized by adopting the prior art, and the details are not described herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (6)
1. The utility model provides a domestic aldehyde-free fireproof door, its characterized in that, is including the membrane veneer, the door panel, door core and the door panel that from top to bottom set gradually, and the membrane veneer, the door panel, door core and door panel are packed by door core frame parcel and use the fire prevention fibreboard in the clearance.
2. The home aldehyde-free fire door as claimed in claim 1, wherein the door panel is prepared from the raw materials of the crushed plant powder and the plate coagulation agent, and the weight ratio of the crushed plant powder to the plate coagulation agent is 1-3: 1-5, the plate bonding agent comprises A bonding agent, B bonding agent and magnesium oxide, and the weight ratio of the A bonding agent to the B bonding agent to the magnesium oxide is 12-16: 1-4: 5-15.
3. The home aldehyde-free fireproof door according to claim 1, wherein the door core board is prepared from crushed plant powder and a plate coagulating agent in a weight ratio of 1-3: 1-5, the plate bonding agent comprises A bonding agent, B bonding agent and magnesium oxide, and the weight ratio of the A bonding agent to the B bonding agent to the magnesium oxide is 12-16: 1-4: 5-15.
4. The fire door as claimed in claim 2 or 3, wherein said A-binder comprises the following components in parts by weight: 40-65 parts of water, 30-39 parts of an auxiliary agent and 1-10 parts of a blending agent, wherein the auxiliary agent is one or the combination of two of magnesium sulfate and calcium carbonate, and the blending agent is one or the combination of more of acetic acid, citric acid and glycol.
5. The fire door as claimed in claim 2 or 3, wherein said binder B comprises the following components in parts by weight: 70-90 parts of water, 10-30 parts of a toughening agent and 1-10 parts of sodium polyacrylate, wherein the toughening agent comprises silicon micro powder.
6. The method for manufacturing a home aldehyde-free fireproof door according to any one of claims 1 to 5, comprising the steps of:
s1, preparing the door core board
S11, crushing the prepared plant material to obtain crushed plant powder with the length not more than 5mm and the width not more than 1mm, and then carrying out moisture content treatment, wherein the moisture content of the crushed plant powder is 5-15%;
s12, preparing the plate cementing agent
S121, preparation of A Binder
Mixing 40-65 parts of water, 1-10 parts of blender and 30-39 parts of auxiliary agent according to parts by weight, uniformly stirring, filtering, and removing filter residue;
s122, preparation of a B coagulant
Mixing 70-90 parts of water, 10-30 parts of toughening agent and 1-10 parts of sodium polyacrylate according to parts by weight, uniformly stirring, filtering, and removing filter residues;
s123, A coagulant, B coagulant and magnesium oxide, wherein the mass ratio of the S123 to the A coagulant to the B coagulant to the magnesium oxide is 12-16: 1-4: 5-15 weight ratio to obtain a plate bonding agent;
s13, conveying the crushed plant powder obtained in the step S11 to a stirrer, and adding the plate coagulating agent obtained in the step S12, wherein the weight ratio of the crushed plant powder to the plate coagulating agent is 1-3: 1-5, stirring uniformly for later use;
s14 paving
Paving the material obtained in the step S13 on a base plate, and uniformly paving to form a plate blank;
s15 cold pressing
Placing the plate blank and the base plate in an adaptive mold, and cold-pressing in a cold press at the pressure of 3-20 MPa;
s16, shaping the plate
After the pressure of the cold press is balanced, locking the die, keeping the pressure, unloading the die from the cold press after cold pressing for a period of time, and standing for 1-3 days at normal temperature;
s17, removing the mould
After standing and shaping for 1-3 days, removing the die and the backing plate;
s18, balancing health
Preserving the slabs after the mold is removed for 3-10 days in a natural environment;
s19, trimming
Trimming off the burrs at the edge of the raised plate blank;
s20, drying
Putting the plate blank obtained in the step 10) into a dryer for drying, wherein the drying temperature is 100 ℃ and 170 ℃, the drying time is 15-180min, and the drying moisture content is 8-12%;
s21, sanding to fix thickness
S22, sawing edges, sizing and blanking;
s2, preparing a door panel according to the step S1
S3, gluing the door panel, and then laminating the film to obtain the film veneer
S4, health preserving
S5 trimming and sizing
S6, gluing the door core board, arranging the film veneer, the door panel, the door core board and the door panel from top to bottom, wrapping the film veneer, the door panel, the door core board and the door panel by using an LVL (laminated veneer lumber) strip as a door core frame, filling fireproof fiber boards in gaps, and then cold pressing, curing, trimming, sizing and edge sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110894889.2A CN113530415A (en) | 2021-08-05 | 2021-08-05 | Household aldehyde-free fireproof door and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110894889.2A CN113530415A (en) | 2021-08-05 | 2021-08-05 | Household aldehyde-free fireproof door and preparation method thereof |
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| CN113530415A true CN113530415A (en) | 2021-10-22 |
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| CN1884780A (en) * | 2006-07-08 | 2006-12-27 | 莱州保安得防火板业有限公司 | Inorganic composite fireproof door |
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| CN109021837A (en) * | 2018-08-15 | 2018-12-18 | 公安部四川消防研究所 | Fireproof heat insulating adhesive |
| CN109773933A (en) * | 2019-03-08 | 2019-05-21 | 李振洋 | A kind of preparation method of formaldehydeless environmental protection density plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884780A (en) * | 2006-07-08 | 2006-12-27 | 莱州保安得防火板业有限公司 | Inorganic composite fireproof door |
| CN101699017A (en) * | 2009-10-30 | 2010-04-28 | 倪景津 | Fireproof door with light-core fireproof board composite structure and manufacturing method thereof |
| CN107322745A (en) * | 2017-07-20 | 2017-11-07 | 洪家敏 | Fire-retardant formaldehydeless industrial hemp straw fiber board and its manufacture method |
| CN109021837A (en) * | 2018-08-15 | 2018-12-18 | 公安部四川消防研究所 | Fireproof heat insulating adhesive |
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Application publication date: 20211022 |