CN104760093A - Production method of cabinet plate - Google Patents
Production method of cabinet plate Download PDFInfo
- Publication number
- CN104760093A CN104760093A CN201510143431.8A CN201510143431A CN104760093A CN 104760093 A CN104760093 A CN 104760093A CN 201510143431 A CN201510143431 A CN 201510143431A CN 104760093 A CN104760093 A CN 104760093A
- Authority
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- China
- Prior art keywords
- particieboard
- water
- formaldehyde resin
- add
- adhesive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000002023 wood Substances 0.000 claims abstract description 68
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000000853 adhesive Substances 0.000 claims abstract description 38
- 230000001070 adhesive effect Effects 0.000 claims abstract description 38
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical class OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000007731 hot pressing Methods 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 32
- 239000002245 particle Substances 0.000 claims description 30
- 239000005871 repellent Substances 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 239000003292 glue Substances 0.000 claims description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 229920006248 expandable polystyrene Polymers 0.000 claims description 18
- 239000007822 coupling agent Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 238000004026 adhesive bonding Methods 0.000 claims description 12
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 claims description 12
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 10
- 239000004202 carbamide Substances 0.000 claims description 10
- 239000000839 emulsion Substances 0.000 claims description 10
- 238000006116 polymerization reaction Methods 0.000 claims description 10
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 10
- 239000011118 polyvinyl acetate Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 239000000123 paper Substances 0.000 claims description 9
- 229920000877 Melamine resin Polymers 0.000 claims description 8
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 8
- ALVYUZIFSCKIFP-UHFFFAOYSA-N triethoxy(2-methylpropyl)silane Chemical compound CCO[Si](CC(C)C)(OCC)OCC ALVYUZIFSCKIFP-UHFFFAOYSA-N 0.000 claims description 7
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 230000036541 health Effects 0.000 claims description 6
- 238000005470 impregnation Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 6
- 238000003892 spreading Methods 0.000 claims description 6
- 230000007480 spreading Effects 0.000 claims description 6
- 239000001254 oxidized starch Substances 0.000 claims description 5
- 235000013808 oxidized starch Nutrition 0.000 claims description 5
- 239000000178 monomer Substances 0.000 claims description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 3
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 3
- 239000012295 chemical reaction liquid Substances 0.000 claims description 3
- 238000005034 decoration Methods 0.000 claims description 3
- 239000002270 dispersing agent Substances 0.000 claims description 3
- 239000003995 emulsifying agent Substances 0.000 claims description 3
- 238000007720 emulsion polymerization reaction Methods 0.000 claims description 3
- 235000019253 formic acid Nutrition 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 229940117958 vinyl acetate Drugs 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 235000019256 formaldehyde Nutrition 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 239000002585 base Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000002916 wood waste Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B21/06—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/40—Chemically modified polycondensates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J131/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Adhesives based on derivatives of such polymers
- C09J131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09J131/04—Homopolymers or copolymers of vinyl acetate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
- C09J161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09J161/32—Modified amine-aldehyde condensates
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention relates to a home furnishing building material, in particular to a production method of a cabinet plate. The cabinet plate structurally and sequentially comprises a decorative paper, a damp-proof slab and a shaving board from top to bottom, wherein the cabinet plate is edged by aluminum alloy, a waterproof modified urea-formaldehyde resin adhesive is coated between the damp-proof slab and the shaving board, and the shaving board in the cabinet plate adopts an adhesive. The cabinet plate produced by the production method provided by the invention is high in adhesive strength and low in formaldehyde emission, and further has a water resistance and an environmental performance; furthermore, most raw materials adopted by the cabinet plate are the rest of wastes of wood which are chip in price and low in economic cost, and belongs to the reutilization of renewable resources.
Description
Technical field
The present invention relates to a kind of household building materials, particularly relate to a kind of production method of cupboard board.
Background technology
Particieboard is an important board kind in wood-based plate, compared with other plate kinds, its investment of production is relatively less, energy consumption is little, cost is low, not high to the requirement of material quality yet, as the raw material of particieboard, therefore can there be the advantage of its uniqueness in three surplus things, fast growing wood, recovery waste and old wood and some non-wooden materials in the Chinese development particieboard industry of timber resources scarcity.Particieboard inside is the graininess of intersection structure straggly, and the performance in direction, each portion is substantially identical, and horizontal bearing capacity is good; Surface of chipboard is smooth, and texture is true to nature, and unit weight is even, and thickness error is little, anti-pollution, ageing-resistant, attractive in appearance, can carry out various veneer; In process of production, glue consumption is less for particieboard, and environmental protection coefficient is relatively high.Because particieboard volume is comparatively large, use its Hepplewhite, relative to other sheet material, also heavier.Because particieboard has a little so many, therefore it is widely used in the inside fitting and household appliance shell making etc. of Furniture manufacture, building, packaging, vehicle and boats and ships, also can make facing particieboard through secondary operations.But because particieboard is a kind of wood materials, easily burn, thus particieboard safety problem in use also more and more pay close attention to by people.Particieboard is applied in cupboard board by the present invention, bears a heavy burden and raw material is cheap, and financial cost is cheap, and cupboard board of the present invention also has the performance of low aldehyde waterproof.
People are also at the Structure and Properties actively improving cabinet door plate, as in Chinese patent retrieval, patent announcement cabinet door plate number disclosed in CN201276946Y, the glass plate comprise sheet material, fitting tightly with sheet material and both to fit the bound edge that rear perimeter edge arranges, screen-printed layers is provided with on described glass plate and between sheet material binding face, this structure is compared former cabinet door plate water resistance and is strengthened, but the surface of cabinet door plate is also easily stained with dirty, glass-plate structure is frangible, explosive, insecure.
Summary of the invention
The object of the invention is to provide a kind of production method of cupboard board.The cupboard board of manufacture of the present invention possess high bonding strength, burst size of methanal low while, also there is water resistance.
A kind of cupboard board, its structure comprises from top to bottom successively: facing paper, moist-proof board, particieboard; Surrounding aluminium alloy fringing; Apply water-repellent modified urea-formaldehyde resin adhesive between moist-proof board, particieboard, the particieboard in cupboard board also adopts this adhesive.
The process of the production method of described cupboard board is:
A. particieboard preparation process: adopt particle drying-coupling agent mix with sandwich layer wood shavings-top layer wood shavings gluing-sandwich layer wood shavings mix with expandable polystyrene particles-sheeting process prepares particieboard;
B. gluing process: glue spreader carries out gluing and assembly to moist-proof board, particieboard, glue is water-repellent modified urea-formaldehyde resin adhesive, and single spreading amount is 200 ~ 230g/m
2by slab good for assembly under unit pressure 0.8 ~ 0.9MPa, after precompressed 1 ~ 2h, utilize hot press to carry out hot-forming, deliver in balance storehouse modified, hot pressing pressure is 0.5 ~ 0.9MPa, temperature is 120 ~ 130 DEG C, above-mentioned slab is carried out cutting edge, then sanding, then above-mentioned slab is carried out health process;
C. decoration process: facing paper bubble in melamine solution, and then force up through hot pressing, surrounding fringing aluminium alloy, the obtained cupboard board with water resistance;
Described moist-proof board refers to the plate of the granular moistureproof particle adding a certain proportion of redness in the production process of base material, and plate thickness is 12mm or 16mm or 18mm.
The preparation process concrete steps of described particieboard are: (1) is dry: moisture content wood particle being dried to sandwich layer is 2 ~ 4%, and the moisture content on top layer is 5 ~ 9%; (2) mix: sandwich layer wood shavings consumption is added coupling agent and mixes with sandwich layer wood shavings; (3) gluing: the adhesive of 4 ~ 10% of top layer wood shavings consumption is carried out applying glue process to top layer wood shavings; (4) mix: the sandwich layer wood shavings obtain step (2) and expandable polystyrene particles mix in proportion; (5) pressing plate: the material that step (3) obtains is paved on slab upper and lower surface, slab central core adopts the material assembly of step (4) gained; Carry out precompressed again, the pressure of precompressed is 0.2 ~ 2MPa, time 2 ~ 10min; Finally carry out hot pressing, hot pressing pressure 1.2 ~ 3MPa, temperature is 195 ~ 210 DEG C, and hot pressing time is every millimeter of thickness of slab 70s ~ 90s, obtained particieboard.
Primary raw material and the parts by weight of described particieboard comprise:
Expandable polystyrene 15 ~ 450 parts;
Surface wood wood shavings 120 ~ 200 parts, sandwich layer wood particle 330 ~ 1100 parts;
Coupling agent 3 ~ 7 parts;
Adhesive 8 ~ 18 parts;
Described wood particle for particieboard produce in the one of the debris that uses or wooden chaff; Described coupling agent is the vinyltrimethoxy silane of 0.5 ~ 1.5%; Described adhesive is water-repellent modified urea-formaldehyde resin adhesive; Described expandable polystyrene is expandable polystyrene particles, and its particle diameter is 0.2 ~ 2.0mm.
The production stage of described water-repellent modified Lauxite comprises prepares modified urea-formaldehyde resin, impregnation technique.
Prepare the production stage of modified urea-formaldehyde resin specifically: disposablely in polymerization reaction kettle add formalin, raised temperature to 50 ~ 55 DEG C, be 7.5 ~ 8.0 by sodium hydroxide solution adjust ph, add the urea of formalin weight 12%, add in 35 ~ 45min, insulation reaction 48 ~ 52min; Initial reaction stage terminates, and adds formic acid solution and regulates the pH value of reaction to be 4.8 ~ 5.2, add the urea of formalin weight 28%, add in 40 ~ 50min, add the oxidized starch of formalin weight 5% again, temperature reaction liquid to 110 ~ 120 DEG C, insulation reaction 120min; Reaction polymerization stage in mid-term terminates, be 7.5 ~ 8.5 by sodium hydroxide solution adjust ph, add the urea of formalin weight 40% ~ 50%, add in 45 ~ 55min, then add the furfuryl alcohol of formalin weight 6% of weight dense 90%, reduce reaction temperature to 70 ~ 85 DEG C, reaction 60 ~ 80min, be cooled to room temperature or adopt and filter, remove not tolerant, obtain modified urea-formaldehyde resin.
Impregnation technique is: isobutyl triethoxy silane by weight: modified urea-formaldehyde resin: the proportioning of polyvinyl acetate emulsion=0.4 ~ 0.9:55 ~ 75:4 ~ 8, after being uniformly mixed, with three-roller type grinder grinding 30min, obtain water-repellent modified urea-formaldehyde resin adhesive.
Described polyvinyl acetate emulsion take vinylacetate as monomer, and ammonium persulfate is initator, and polyvinyl alcohol is dispersant, and to be emulsifying agent and water be OP-10 that dispersate carries out polymerization in emulsion polymerization systems obtains.
Compared with prior art, the good effect that the present invention produces is:
1. the production of modified urea-formaldehyde resin of the present invention adopts and once adds formaldehyde, add the technique of urea for three times, polymerization rate remains steady, avoid the generation of polymerisation gel effect, and modifier is added in glue process, make formaldehyde monomers almost or complete reaction, gained Lauxite residual formaldehyde is low, and the adhesive burst size of methanal thus made is few.
2. water-repellent modified urea-formaldehyde resin adhesive of the present invention adds polyvinyl acetate emulsion and isobutyl triethoxy silane on the modified urea-formaldehyde resin prepared, improve the resistance to water of Lauxite, the adhesive waterproof made, humidity resistance are good, the sealing property of wood-based plate can be improved, make moisture, that moisture is difficult to infiltrate wood-based plate is inner, improve the resistance to water of wood-based plate.
3. the cupboard board density obtained by the present invention is low, and intensity is good, water resistance is good, good stability of the dimension, fits up for kitchen ' s interior.
4. what the particieboard in this cupboard board adopted is debris or wooden chaff, excels at leveraging wood waste, saves a large amount of timber resources.
5. the present invention adds moist-proof board on the surface of cabinet, and the degree of cabinet water-swellable can be made greatly to decline.Moist-proof board is melamine plate again, and melamine is a kind of solution not containing formaldehyde, and be environmental protection, such note gets on not only can not cause 2 pollutions, can lower the release of the inside base material formaldehyde on the contrary.
6. in adhesive-preparing technology process of the present invention, add oxidized starch, hydroxyl on other positions of carboxyl in this oxidized starch or this material and the hydroxyl in Lauxite are reacted, Lauxite is consequently made to form crosslinked three-dimensional-structure closely, intermolecular mutual winding is fine and close, intermolecular space diminishes, and macromolecular chain not easily flows, and increases the viscosity of Lauxite.Carboxyl in simultaneous oxidation starch can also with unreacted in Lauxite completely formaldehyde react, reduce the content of free formaldehyde in urea-formaldehyde resin.In Lauxite building-up process, add a certain amount of furfuryl alcohol carry out polycondensation, the adhesive adhesion that obtains can be made comparatively strong, and resistance to water and acid and alkali resistance performance are also improved.
Detailed description of the invention
A kind of cupboard board, its structure comprises from top to bottom successively: facing paper, moist-proof board, particieboard; Surrounding aluminium alloy fringing; Apply water-repellent modified urea-formaldehyde resin adhesive between moist-proof board, particieboard, the particieboard in cupboard board also adopts this adhesive.
The process of the production method of described cupboard board is:
A. particieboard preparation process: adopt particle drying-coupling agent mix with sandwich layer wood shavings-top layer wood shavings gluing-sandwich layer wood shavings mix with expandable polystyrene particles-sheeting process prepares particieboard;
B. gluing process: glue spreader carries out gluing and assembly to moist-proof board, particieboard, glue is water-repellent modified urea-formaldehyde resin adhesive, and single spreading amount is 200 ~ 230g/m
2by slab good for assembly under unit pressure 0.8 ~ 0.9MPa, after precompressed 1 ~ 2h, utilize hot press to carry out hot-forming, deliver in balance storehouse modified, hot pressing pressure is 0.5 ~ 0.9MPa, temperature is 120 ~ 130 DEG C, above-mentioned slab is carried out cutting edge, then sanding, then above-mentioned slab is carried out health process;
C. decoration process: facing paper bubble in melamine solution, and then force up through hot pressing, surrounding fringing aluminium alloy, the obtained cupboard board with water resistance;
Described moist-proof board refers to the granular moistureproof particle adding a certain proportion of redness in the production process of base material, and plate thickness is 12mm or 16mm or 18mm.
The preparation process concrete steps of described particieboard are: (1) is dry: moisture content wood particle being dried to sandwich layer is 2 ~ 4%, and the moisture content on top layer is 5 ~ 9%; (2) mix: sandwich layer wood shavings consumption is added coupling agent and mixes with sandwich layer wood shavings; (3) gluing: the adhesive of 4 ~ 10% of top layer wood shavings consumption is carried out applying glue process to top layer wood shavings; (4) mix: the sandwich layer wood shavings obtain step (2) and expandable polystyrene particles mix in proportion; (5) pressing plate: the material that step (3) obtains is paved on slab upper and lower surface, slab central core adopts the material assembly of step (4) gained; Carry out precompressed again, the pressure of precompressed is 0.2 ~ 2MPa, time 2 ~ 10min; Finally carry out hot pressing, hot pressing pressure 1.2 ~ 3MPa, temperature is 195 ~ 210 DEG C, and hot pressing time is every millimeter of thickness of slab 70s ~ 90s, obtained particieboard.
Primary raw material and the parts by weight of described particieboard comprise:
Expandable polystyrene 15 ~ 450 parts;
Surface wood wood shavings 120 ~ 200 parts, sandwich layer wood particle 330 ~ 1100 parts;
Coupling agent 3 ~ 7 parts;
Adhesive 8 ~ 18 parts;
Described wood particle for particieboard produce in the one of the debris that uses or wooden chaff; Described coupling agent is the vinyltrimethoxy silane of 0.5 ~ 1.5%; Described adhesive is water-repellent modified urea-formaldehyde resin adhesive; Described expandable polystyrene is expandable polystyrene particles, and its particle diameter is 0.2 ~ 2.0mm.
The production stage of described water-repellent modified Lauxite comprises prepares modified urea-formaldehyde resin, impregnation technique.
Prepare the production stage of modified urea-formaldehyde resin specifically: disposablely in polymerization reaction kettle add formalin, raised temperature to 50 ~ 55 DEG C, be 7.5 ~ 8.0 by sodium hydroxide solution adjust ph, add the urea of formalin weight 12%, add in 35 ~ 45min, insulation reaction 48 ~ 52min; Initial reaction stage terminates, and adds formic acid solution and regulates the pH value of reaction to be 4.8 ~ 5.2, add the urea of formalin weight 28%, add in 40 ~ 50min, add the oxidized starch of formalin weight 5% again, temperature reaction liquid to 110 ~ 120 DEG C, insulation reaction 120min; Reaction polymerization stage in mid-term terminates, be 7.5 ~ 8.5 by sodium hydroxide solution adjust ph, add the urea of formalin weight 40% ~ 50%, add in 45 ~ 55min, then add the furfuryl alcohol of formalin weight 6% of weight dense 90%, reduce reaction temperature to 70 ~ 85 DEG C, reaction 60 ~ 80min, be cooled to room temperature or adopt and filter, remove not tolerant, obtain modified urea-formaldehyde resin.
Impregnation technique is: isobutyl triethoxy silane by weight: modified urea-formaldehyde resin: the proportioning of polyvinyl acetate emulsion=0.4 ~ 0.9:55 ~ 75:4 ~ 8, after being uniformly mixed, with three-roller type grinder grinding 30min, obtain water-repellent modified urea-formaldehyde resin adhesive.
Described polyvinyl acetate emulsion take vinylacetate as monomer, and ammonium persulfate is initator, and polyvinyl alcohol is dispersant, and to be emulsifying agent and water be OP-10 that dispersate carries out polymerization in emulsion polymerization systems obtains.
The present invention is illustrated below in conjunction with implementing.
Embodiment 1
1. moisture content wood particle being dried to sandwich layer is 2%, and the moisture content on top layer is 5%, and gets top layer wood shavings 120 parts, sandwich layer wood shavings 330 parts, wherein the debris of wood shavings for using in particieboard production;
4 parts of usual compressed air atomized spray of coupling agent vinyltrimethoxy silane are surperficial to sandwich layer wood shavings 2.;
3. by the water-repellent modified Lauxite of 10 parts, wherein water-repellent modified urea-formaldehyde resin adhesive isobutyl triethoxy silane by weight: modified urea-formaldehyde resin: the proportioning of polyvinyl acetate emulsion=0.4:55:4, after being uniformly mixed, with three-roller type grinder grinding 30min preparation, by usual for this resin compressed air atomized spray top layer wood shavings surface;
4. sandwich layer wood shavings step 2 obtained and expandable polystyrene 45 parts of Homogeneous phase mixing, O.5mm particle diameter is;
5. mat formation on the top layer of slab by the material that step 3 obtains, material step 4 obtained is mated formation at the sandwich layer of slab, and it is shaping to carry out assembly; Carry out precompressed, the pressure of precompressed is 0.8MPa, squeeze time 3min; Finally carry out hot pressing, hot pressing pressure is 1.5MPa, and hot pressing temperature is 195 DEG C, and hot pressing time is that under the condition of 35min, hot pressing obtains thickness is particieboard in the cupboard board that 30mm is thick; Glue spreader carries out gluing and assembly to moist-proof board, particieboard, and wherein moist-proof board thickness is 12mm, and glue is above-mentioned water-repellent modified urea-formaldehyde resin adhesive, and single spreading amount is 200g/m
2, by slab good for assembly under unit pressure 0.8MPa, after precompressed 1.4h, utilize hot press to carry out hot-forming, deliver in balance storehouse modified, hot pressing pressure is 0.5MPa, and temperature is 120 DEG C, above-mentioned slab is carried out cutting edge, then sanding, then above-mentioned slab is carried out health process;
6. facing paper is steeped in melamine solution, and then force up through hot pressing, surrounding fringing aluminium alloy, finally the cupboard board with water resistance of obtained 42mm.
Embodiment 2
1. moisture content wood particle being dried to sandwich layer is 3%, and the moisture content on top layer is 7%, and gets top layer wood shavings 160 parts, sandwich layer wood shavings 660 parts, wherein the wooden chaff of wood shavings for using in particieboard production;
6 parts of usual compressed air atomized spray of coupling agent vinyltrimethoxy silane are surperficial to sandwich layer wood shavings 2.;
3. by the water-repellent modified Lauxite of 14 parts, wherein water-repellent modified urea-formaldehyde resin adhesive isobutyl triethoxy silane by weight: modified urea-formaldehyde resin: the proportioning of polyvinyl acetate emulsion=0.7:60:6, after being uniformly mixed, with three-roller type grinder grinding 30min preparation, by usual for this resin compressed air atomized spray top layer wood shavings surface;
4. sandwich layer wood shavings step 2 obtained and expandable polystyrene 90 parts of Homogeneous phase mixing, particle diameter is 1.0mm;
5. mat formation on the top layer of slab by the material that step 3 obtains, material step 4 obtained is mated formation at the sandwich layer of slab, and it is shaping to carry out assembly; Carry out precompressed, the pressure of precompressed is 1.4MPa, squeeze time 5min; Finally carry out hot pressing, hot pressing pressure is 2MPa, and hot pressing temperature is 205 DEG C, and hot pressing time is that under the condition of 44min, hot pressing obtains thickness is particieboard in the cupboard board that 33mm is thick; Glue spreader carries out gluing and assembly to moist-proof board, particieboard, and wherein moist-proof board thickness is 16mm, and glue is above-mentioned water-repellent modified urea-formaldehyde resin adhesive, and single spreading amount is 210g/m
2, by slab good for assembly under unit pressure 0.8MPa, after precompressed 1.6h, utilize hot press to carry out hot-forming, deliver in balance storehouse modified, hot pressing pressure is 0.7MPa, and temperature is 125 DEG C, above-mentioned slab is carried out cutting edge, then sanding, then above-mentioned slab is carried out health process;
6. facing paper is steeped in melamine solution, and then force up through hot pressing, surrounding fringing aluminium alloy, finally the cupboard board with water resistance of obtained 49mm.
Embodiment 3
1. moisture content wood particle being dried to sandwich layer is 4%, and the moisture content on top layer is 9%, and gets top layer wood shavings 200 parts, sandwich layer wood shavings 1100 parts, wherein the debris of wood shavings for using in particieboard production;
7 parts of usual compressed air atomized spray of coupling agent vinyltrimethoxy silane are surperficial to sandwich layer wood shavings 2.;
3. by the water-repellent modified Lauxite of 18 parts, wherein water-repellent modified urea-formaldehyde resin adhesive isobutyl triethoxy silane by weight: modified urea-formaldehyde resin: the proportioning of polyvinyl acetate emulsion=0.9:75:8, after being uniformly mixed, with three-roller type grinder grinding 30min preparation, by usual for this resin compressed air atomized spray top layer wood shavings surface;
4. sandwich layer wood shavings step 2 obtained and expandable polystyrene 120 parts of Homogeneous phase mixing, particle diameter is 2.0mm;
5. mat formation on the top layer of slab by the material that step 3 obtains, material step 4 obtained is mated formation at the sandwich layer of slab, and it is shaping to carry out assembly; Carry out precompressed, the pressure of precompressed is 2MPa, squeeze time 8min; Finally carry out hot pressing, hot pressing pressure is 2.5MPa, and hot pressing temperature is 210 DEG C, and hot pressing time is that under the condition of 52.5min, hot pressing obtains thickness is particieboard in the cupboard board that 35mm is thick; Glue spreader carries out gluing and assembly to moist-proof board, particieboard, and wherein moist-proof board thickness is 18mm, and glue is above-mentioned water-repellent modified urea-formaldehyde resin adhesive, and single spreading amount is 230g/m
2, by slab good for assembly under unit pressure 0.9MPa, after precompressed 2h, utilize hot press to carry out hot-forming, deliver in balance storehouse modified, hot pressing pressure is 0.9MPa, and temperature is 130 DEG C, above-mentioned slab is carried out cutting edge, then sanding, then above-mentioned slab is carried out health process;
6. facing paper is steeped in melamine solution, and then force up through hot pressing, surrounding fringing aluminium alloy, finally the cupboard board with water resistance of obtained 53mm.
Claims (6)
1. a cupboard board, its structure from top to bottom comprises successively: facing paper, moist-proof board, particieboard; Surrounding aluminium alloy fringing; Apply water-repellent modified urea-formaldehyde resin adhesive between moist-proof board, particieboard, the particieboard in cupboard board also adopts this adhesive;
The process of the production method of described cupboard board is:
A. particieboard preparation process: adopt particle drying-coupling agent mix with sandwich layer wood shavings-top layer wood shavings gluing-sandwich layer wood shavings mix with expandable polystyrene particles-sheeting process prepares particieboard;
B. gluing process: glue spreader carries out gluing and assembly to moist-proof board, particieboard, glue is water-repellent modified urea-formaldehyde resin adhesive, and single spreading amount is 200 ~ 230g/m
2by slab good for assembly under unit pressure 0.8 ~ 0.9MPa, after precompressed 1 ~ 2h, utilize hot press to carry out hot-forming, deliver in balance storehouse modified, hot pressing pressure is 0.5 ~ 0.9MPa, temperature is 120 ~ 130 DEG C, above-mentioned slab is carried out cutting edge, then sanding, then above-mentioned slab is carried out health process;
C. decoration process: facing paper bubble in melamine solution, and then force up through hot pressing, surrounding fringing aluminium alloy, the obtained cupboard board with water resistance;
Described moist-proof board refers to the plate of the granular moistureproof particle adding a certain proportion of redness in the production process of base material, and plate thickness is 12mm or 16mm or 18mm.
2. the production method of cupboard board according to claim 1, is characterized in that: described particieboard preparation process concrete steps are: (1) is dry: moisture content wood particle being dried to sandwich layer is 2 ~ 4%, and the moisture content on top layer is 5 ~ 9%; (2) mix: sandwich layer wood shavings consumption is added coupling agent and mixes with sandwich layer wood shavings; (3) gluing: the adhesive of 4 ~ 10% of top layer wood shavings consumption is carried out applying glue process to top layer wood shavings; (4) mix: the sandwich layer wood shavings obtain step (2) and expandable polystyrene particles mix in proportion; (5) pressing plate: the material that step (3) obtains is paved on slab upper and lower surface, slab central core adopts the material assembly of step (4) gained; Carry out precompressed again, the pressure of precompressed is 0.2 ~ 2MPa, time 2 ~ 10min; Finally carry out hot pressing, hot pressing pressure 1.2 ~ 3MPa, temperature is 195 ~ 210 DEG C, and hot pressing time is every millimeter of thickness of slab 70s ~ 90s, obtained particieboard.
3. according to the preparation of the particieboard described in claim 1 to 2, it is characterized in that: primary raw material and the parts by weight of described particieboard comprise:
Expandable polystyrene 15 ~ 450 parts;
Surface wood wood shavings 120 ~ 200 parts, sandwich layer wood particle 330 ~ 1100 parts;
Coupling agent 3 ~ 7 parts;
Adhesive 8 ~ 18 parts;
Described wood particle for particieboard produce in the one of the debris that uses or wooden chaff; Described coupling agent is the vinyltrimethoxy silane of 0.5 ~ 1.5%; Described adhesive is water-repellent modified urea-formaldehyde resin adhesive; Described expandable polystyrene is expandable polystyrene particles, and its particle diameter is 0.2 ~ 2.0mm.
4. the adhesive as described in claims 1 to 3 or glue or glue are water-repellent modified Lauxite, it is characterized in that: the production stage of described water-repellent modified Lauxite comprises prepares modified urea-formaldehyde resin, impregnation technique.
5. the production stage of water-repellent modified Lauxite as claimed in claim 4, it is characterized in that, prepare the production stage of modified urea-formaldehyde resin specifically: disposablely in polymerization reaction kettle add formalin, raised temperature to 50 ~ 55 DEG C, be 7.5 ~ 8.0 by sodium hydroxide solution adjust ph, add the urea of formalin weight 12%, add in 35 ~ 45min, insulation reaction 48 ~ 52min; Initial reaction stage terminates, and adds formic acid solution and regulates the pH value of reaction to be 4.8 ~ 5.2, add the urea of formalin weight 28%, add in 40 ~ 50min, add the oxidized starch of formalin weight 5% again, temperature reaction liquid to 110 ~ 120 DEG C, insulation reaction 120min; Reaction polymerization stage in mid-term terminates, be 7.5 ~ 8.5 by sodium hydroxide solution adjust ph, add the urea of formalin weight 40% ~ 50%, add in 45 ~ 55min, then add the furfuryl alcohol of formalin weight 6% of weight dense 90%, reduce reaction temperature to 70 ~ 85 DEG C, reaction 60 ~ 80min, be cooled to room temperature or adopt and filter, remove not tolerant, obtain modified urea-formaldehyde resin.
6. the production stage of water-repellent modified Lauxite as claimed in claim 4, it is characterized in that, impregnation technique is: isobutyl triethoxy silane by weight: modified urea-formaldehyde resin: the proportioning of polyvinyl acetate emulsion=0.4 ~ 0.9:55 ~ 75:4 ~ 8, after being uniformly mixed, with three-roller type grinder grinding 30min, obtain water-repellent modified urea-formaldehyde resin adhesive;
Described polyvinyl acetate emulsion take vinylacetate as monomer, and ammonium persulfate is initator, and polyvinyl alcohol is dispersant, and to be emulsifying agent and water be OP-10 that dispersate carries out polymerization in emulsion polymerization systems obtains.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106272831A (en) * | 2016-08-29 | 2017-01-04 | 南宁市创锦胶合板有限责任公司 | Use the method that anticorrosion composite urea formaldehyde resin produces cupboard board |
| CN106313260A (en) * | 2016-08-29 | 2017-01-11 | 南宁市林润木业有限公司 | Method for producing cabinet board by adopting damp-proof composite urea resin |
| CN106346587A (en) * | 2016-08-29 | 2017-01-25 | 南宁市创锦胶合板有限责任公司 | Method for producing cabinet board with anti-insect and anti-mold composite urea-formaldehyde resin |
| CN111995974A (en) * | 2020-09-04 | 2020-11-27 | 广西诺信化工科技有限公司 | Preparation method of E0-grade urea-formaldehyde glue |
-
2015
- 2015-03-30 CN CN201510143431.8A patent/CN104760093B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106272831A (en) * | 2016-08-29 | 2017-01-04 | 南宁市创锦胶合板有限责任公司 | Use the method that anticorrosion composite urea formaldehyde resin produces cupboard board |
| CN106313260A (en) * | 2016-08-29 | 2017-01-11 | 南宁市林润木业有限公司 | Method for producing cabinet board by adopting damp-proof composite urea resin |
| CN106346587A (en) * | 2016-08-29 | 2017-01-25 | 南宁市创锦胶合板有限责任公司 | Method for producing cabinet board with anti-insect and anti-mold composite urea-formaldehyde resin |
| CN111995974A (en) * | 2020-09-04 | 2020-11-27 | 广西诺信化工科技有限公司 | Preparation method of E0-grade urea-formaldehyde glue |
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