CN105666598A - Wood-based panel and wood-based panel manufacturing method - Google Patents
Wood-based panel and wood-based panel manufacturing method Download PDFInfo
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- CN105666598A CN105666598A CN201610060762.XA CN201610060762A CN105666598A CN 105666598 A CN105666598 A CN 105666598A CN 201610060762 A CN201610060762 A CN 201610060762A CN 105666598 A CN105666598 A CN 105666598A
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- wood
- slab
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- 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
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- 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
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- 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
- B32B21/13—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board all layers being exclusively wood
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- 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
- B32B21/14—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention provides a wood-based panel and a manufacturing method. The method comprises the following steps: processing wood into wood core plates with certain thicknesses and sizes; then airing or drying the wood core plates; adding environmentally friendly urea resin glue in filler powder; then adding far infrared powder and/or negative ion powder and uniformly stirring into viscous liquid glue; uniformly coating the glue on the core plates by using a gluing machine, placing the core plates neatly and pressing into a plate blank; and finally cutting the plate blank into panels in required shapes. By the wood-based panel and the manufacturing method, an existing wood-based panel production technology is changed, and far infrared and negative ion ingredients are introduced in the production technology, so that the wood-based panel has functions of emitting far infrared rays and negative oxygen ions, and becomes a wood-based panel with a healthcare function to human bodies.
Description
Technical field
The present invention relates to artificial board field.
Background technology
Wood-based plate, taking timber or other non-wood plants as raw material, is separated into after various unit material through certain mechanical workout, and the sheet material that other additives glue together and become or pressing that applies tackiness agent. Far infrared powder can radiate out far infrared rays more more than normal object, namely infrared emittance is higher, it it is good body-care far-infrared radiation material, have uvioresistant, peculiar smell is eliminated in sterilization, the function such as prevent and cure diseases, can effectively improve microcirculation in human body, impel normal microcirculation blood flow to increase by 2～3 times, it is to increase to organize oxygen supply, improve metabolism, strengthening immunity. Negative ion powder is the principle that human use's nature produces negative ion, and a kind of composite minerals powder that can produce negative ion of synthetic or proportioning is all generally that tourmaline powder adds lanthanon or rare earth element. It is the effective means with killing pathogenic bacteria and purification air that negative ion is identified, and after its mechanism is mainly that negative ion is combined with bacterium, makes the transfer of the bacterium generation change of structure or energy, causes bacterial death, and most final decline is sunken to ground. Medical research shows, particulate electronegative in air makes oxygen level in blood increase, and is conducive to blood Oxygen deliver, absorption and utilization, has promotion human metabolism, it is to increase human immunological competence, strengthen human body flesh energy, regulates the effect of human body function balance. According to textual criticism, negative ion is to human body 7 systems, and nearly more than 30 kinds of diseases have suppression, alleviate and auxiliary therapeutic action, especially that the health-care effect of human body is more obvious.
The currently common artificial board with far infrared rays and anion emission ability is all have far infrared rays and the material of anion emission ability at Surface coating, or manufactures space to hold the means such as far infrared negative ions material on wood-based plate surface. In the technological process of production, operation is more, and production technique is comparatively complicated, production cost height.
Summary of the invention
In order to solve the problem, far infrared rays and anion material have been introduced directly in the middle of Production Flow Chart by the present invention, are regarded the production that a traditional raw-material part participates in artificial board directly, reduce technical process, reduce production cost. Simultaneously a large amount of according to contriver test and studies, have employed the water ratio of central layer before gluing composition, Amount of spread and the gluing being different from prior art, more solid after making plate forming, environmental protection and far-infrared radiation wavelength is moderate, negative ion burst size best;Meanwhile, present invention improves over the precompressed of artificial board and heat pressing process, when the process for pressing of the present invention, the firmness of artificial board, a drum rate, degumming rate decline to a great extent. The technical scheme of the present invention is:
The manufacture method of a kind of artificial board, it is characterised in that, comprise the following steps:
There is far infrared rays and/or the material layer of anion emission ability timber steel slab surface is coated.
Further, also comprise the following steps:
Step S101, becomes the timber central layer of pre-determined thickness and size by timber rotary-cut or slicing;
Step S102, carries out airing or precompressed drying and processing by timber central layer, and the timber central layer water ratio after making process is 6%～15%;
Step S103, select urea-formaldehyde resin glue, add the flour and the bean cake powder mixture that account for gross weight than being 20%～30%, wherein flour and bean cake powder ratio are 1:2, the order granularity of described bean cake powder is 400～800 orders, add and account for gross weight than being the far-infrared powder of 3%～6% and/or account for gross weight than the negative ion powder being 3%～6% and stir evenly, make it to become the thick liquid gluing with mobility;
Step S104, it may also be useful to the gluing modulated is evenly coated on central layer by spreadometer, and Amount of spread is between 240g/ to 350g/;
Step S105, is stacked as some layers by the central layer after gluing and puts neat, namely become slab;
Step S106, loads described slab chilling press applying 1.5MPa～2.5MPa pressure and colds pressing, cold pressing 30 minutes to 1 hour time;
Step S107, loads thermocompressor by slab, applies the pressure hot pressing of 1.5～2.5MPa under 131～160 degrees Celsius with thermocompressor, and hot pressing time is T, and slab thickness is H so that T >=(H/1mm) 1.5min;
Step S108, dries in the air slab cool, and slab is cut into desired shape by upper saw.
Further, the timber of described making timber central layer comprises Yang Mu, willow, birch, pine or eucalyptus wood.
Further, the slab in described step S105 can be put by different types of timber central layer is stacking.
Further, the type of heating of described thermocompressor comprises steam boiler, heat-conducting oil furnace or electric heating.
Further, the slab in described step S105 is put by the central layer of different texture is stacking.
Present invention also provides a kind of artificial board manufactured according to above-mentioned artificial board manufacture method.
Relative to prior art, the present invention has the following advantages:
The artificial board of the present invention and manufacture method, introduce far infrared and negative ion composition in production technique, makes wood-based plate possess emitting far-infrared and emissive power that are negative oxygen ion, thus becomes the artificial board that human body has nourishing function. It is participate in far infrared powder and/or negative ion powder the production of wood-based plate directly as a traditional raw-material part simultaneously in the Production Flow Chart of artificial board, decreases technical process, reduce production cost. In addition, contriver is through a large amount of experiments and test, the amount ranges of far infrared powder and/or negative ion powder has been carried out accurate control, sheet material is made to be just right to the radiation dose of human body, and as existing sheet material or human body can not produce undue radiation injury, or radiation dose can not meet health care requirement. Contriver is according to a large amount of experimental result simultaneously, the blending ratio of gluing type, rubberized material and far-infrared powder and negative ion powder is all optimized to wood-based plate resistance to wearing, play the artificial board being all better than prior art in drum rate, degumming rate, radiant quantity etc. Water content before artificial board central layer gluing has also been carried out strict control by contriver, makes the combination degree after central layer gluing more firm, and more difficult coming unstuck manifests.
Accompanying drawing explanation
Fig. 1 is the artificial board fabrication method schema of the present invention;
Fig. 2 is the wood-based plate manufacture method schema that the present invention has far infrared rays and anion emission function;
Fig. 3 is the wood-based plate manufacture method schema of the embodiment of the present invention one;
Fig. 4 is the wood-based plate manufacture method schema of the embodiment of the present invention two;
Fig. 5 is the wood-based plate manufacture method schema of the embodiment of the present invention three.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described. Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
On the one hand, the present invention provides the manufacture method of a kind of artificial board, specifically comprises the following steps:
The production of timber central layer: the various timber such as Yang Mu, birch, pine, eucalyptus wood, willow are carried out rotary-cut or slicing according to certain thickness, then cuts into the timber central layer of certain size. The material of described timber central layer is selected and is comprised Yang Mu, birch, pine, eucalyptus wood, willow etc. Individual layer timber central layer and veneer, its conventional thickness is at about 1mm, the preferred 1.5mm of the present invention, the thickness of timber slab is different according to the veneer thickness selected and the number of plies, conventional thickness has: 3mm, 5mm, 9mm, 12mm, 15mm, 18mm, conventional length and width size has: 125cm 85cm, 122cm 244cm etc., the preferred 125cm 85cm of the present invention.
Core-board is a kind of special timber central layer, is become by glue laminated Wood block floor in the middle of two panels veneer. The total thickness of the gluing veneer in the two sides of core-board must not be less than 3mm, middle plank be by the natural plank side of high-quality after Overheating Treatment (i.e. drying shed oven dry), be processed into the batten of certain specification, be spliced by jigsaw machine. Spliced plank two sides respectively covers two layers of high-quality veneer, then makes after gluing and hot and cold press pressurize.
The drying of timber central layer: through a large amount of experiments and research, contriver find gradually by timber central layer through the techniques such as airing or precompressed oven dry be dried to water ratio 6%～15% carry out gluing again and hot-pressing processing the most suitable, because timber central layer is easily caused damage lower than when 6% by water ratio in follow-up hot pressing, such as that the probability of timber central layer pressure break is very big, and the cost of the more low oven dry of water ratio is more high; Water ratio is moist higher than timber central layer when 15%, weight big, not only has been unfavorable for depositing but also be unfavorable for carrying, has also been unfavorable for combining closely between central layer. In addition wood single-plate water ratio is too high, can cause ehter bond hydrolytic cleavage in the middle of urea formaldehyde glue hot-press solidifying process, causes finished product sheet material bonding strength low too high with burst size of methanal, quality product and HUMAN HEALTH is impacted. Also having a reason to be that Veneer moisture is too high, in the middle of hot pressing, moisture is by thermal evaporation, and water vapour is collected in veneer gap, finally can form bubble, affects product defective goods rate. In addition, too high water ratio often arranges higher temperature and hot pressing time when hot pressing, and the pressure break rate of timber central layer also can be made on the contrary to become big. Therefore comparatively suitable by Veneer moisture is defined as 15%.
Table 1 is the experiment statistics result of sheet material water ratio and every index.
Table 1
The modulation of glue: urea-formaldehyde resin adhesive, Phenol aldehyde resin can be selected according to product requirement, without tackiness agent such as aldehyde glue, the preferred urea-formaldehyde resin adhesive of the present invention, filler and/or solvent is added according to glue service requirements, described filler can be selected voluntarily according to glue character, prior art selects flour usually in order to convenient, through experimental results demonstrate, the glue quality formed when Fillers selection flour and bean cake powder is better than flour far away, and what the present invention adopted is that the bean cake powder effect of 400-800 order granularity (particle diameter) is best.When to account for glue gross weight ratio be 20%～30% for flour and bean cake powder mixture, bonding processes subsequently between central layer is all best in conjunction with effect, far-infrared radiation wavelength, negative ion releasing effect, reducing the cost of glue, this is not available for prior art simultaneously. Described solvent includes but not limited to water, then add as required account for modulation after the far infrared powder of glue weight 3%～6% or the negative ion powder of 3%～6% or add the far-infrared powder of 3%～6% and the negative ion powder of 3%～6% is modulated into the even thick liquid with mobility simultaneously. Described per-cent is all the weight percent accounting for the rear glue of modulation. The far infrared rays wavelength produced when the far infrared powder proportions added is too low is too short, the nourishing function of human body is not obvious, when the far infrared powder proportions added is too much, cost is higher, also the viscosity of glue can be reduced, therefore through a large amount of experiments and research, contriver preferably accounts for the far infrared powder of the rear glue weight 3%～6% of modulation. And the negative ion powder ratio added too low time produce negative ion very little, the nourishing function of human body is not obvious, the negative ion powder ratio added can increase cost time too much, also the viscosity of glue can be reduced, therefore through a large amount of experiments and research, contriver preferably accounts for the negative ion powder of the rear glue weight 3%～6% of modulation. Specific experiment parameter is in table 2.
Table 2
As can be seen from Table 2, when identical preferred weight ratio, identical Amount of spread, the far infrared wavelength produced when filler is flour is too short, it is easy to producing to burn to human body, negative ion burst size is 400-1000ions/cc. When filler is bean powder, effect is slightly better than flour, and the bean cake powder effect of same ratio is better again, but negative ion releasing dosage only 100-500ions/cc. If flour, bean cake powder mixed according to the ratio of 1:2, be entrained in glue according to the weight ratio of 20%～30%, then the far infrared rays wavelength produced is suitable for, human body is the most favourable, negative ion burst size is significantly improved, and effect is better than other proportioning far away, is mode most preferably.
In general, negative ion concentration in park, city is at 200-1000ions/cc, the negative ion concentration in field, rural area is between 1000-5000ions/cc, the negative ion artificial board of the present invention due to be adopt be mixed in glue use, it is preferred to negative ion concentration is 1000-2500ions/cc, when concentration is lower than 1000ions/cc, the nourishing function of negative ion is not obvious, when concentration is higher than 2500ions/cc, the component of the negative ion powder just needing to increase in gluing or the Amount of spread of increasing wood-based plate, which not only adds cost, the objectionable impuritiess such as the formaldehyde discharged in glue are also made to increase, it is unfavorable for HUMAN HEALTH. if particularly when negative ion concentration needs to reach more than 5000ions/cc, needing the negative ion powder added greatly to increase in glue, cost improves too much, must strengthen Amount of spread simultaneously, and the objectionable impurities causing sheet material to discharge increases greatly.
The gluing of central layer: use spreadometer to be evenly coated on central layer by glue, gluing can double spread can also single spreading, but outermost two surfaces to be ensured non-gluing. The determination of Amount of spread is by the impact of many factors, and factor comprises mixing in timber central layer water ratio, timber kind, glue kind, glue mixes amount of powder and burst size of methanal in powder kind, glue.Test in a large number through contriver and research shows, it is preferable that the associativity between the performance of glue and central layer when Amount of spread is between 240g/ to 350g/, can be controlled better. When there is fluctuation in above-mentioned factor the impact of glue performance is minimum, the bonding of sheet material is effective, and the function launching far infrared and negative ion is also suitable for, and obnoxious flavour burst size, such as formaldehyde are also lower.
The assembly of central layer: according to product requirement, the central layer after gluing is put neatly according to certain rule and the number of plies are stacking, namely become slab. The timber central layer number of plies, the kind of slab and put orientation and can select voluntarily as requested, such as, can select several different timber central layer to carry out stacking according to different texture direction.
The precompressed of central layer: described slab is loaded chilling press applying 0.5MPa～2.5MPa pressure and colds pressing, cold pressing 30 minutes to 12 hours time; Reality production process in can omit the pressing step of central layer, but the central layer degree of adhesion being through precompressed is better, also more easily shaping. Through a large amount of test and study of contriver, slab is preferably loaded chilling press and colds pressing according to the elevated pressures of 1.5MPa～2.5MPa by contriver, time of colding pressing is preferably best at 30 minutes to 1 hour, not only reaches the effect of preliminary compacting plate blank molding but also can not damage slab. Cold pressing and slab can be made tentatively to shape, it is possible to placing longer for some time carries out hot pressing again.
The hot pressing of slab: slab is loaded thermocompressor, according to product requirement with certain pressure such as 0.5MPa～2.5MPa hot pressing regular hour, hot pressing time and slab thickness, hot pressing temperature are relevant with central layer water ratio, the more thick hot pressing time of slab is more long, the more low hot pressing time of hot pressing temperature is more long, the more high hot pressing time of water content is more long, hot pressing time is not less than the thickness hot pressing one minute of every 1mm slab in principle, but through lot of experiment validation, hot pressing time is T, slab thickness is H so that T >=(H/1mm) 1.5min is best. Hot pressing pressure is also relevant with many factors such as timber central layer water ratio, timber kind, glue kind, hot pressing temperature, repeatedly verifies through contriver's test, and when hot pressing pressure is between 1.5MPa～2.5MPa, effect is best, hot pressing temperature preferably 131～160 degrees Celsius. The too low desired result that cannot reach hot pressing of hot pressing temperature, too high, easily slab is caused damage, in actual production, hot pressing temperature can regulate voluntarily within the scope of this. Thermocompressor can select various sizes and shape according to product needed, can also be that slab has certain radian formation curved slab after some thermocompressor pressing. The type of heating of thermocompressor can for for steam boiler, heat-conducting oil furnace, electric heating etc., and temperature and pressure and other parameters during adjustable hot pressing, the preferred steam boiler thermocompressor of the present invention.
Cooling and cutting: the slab after hot pressing, after fully cooling, can be gone up to saw and carries out cutting according to required wood-based plate size and complete Production Flow Chart.
Embodiment one:
The production of timber central layer: use Yang Mu to be peeled into 1.5mm thick, and cut into the veneer of 125cm 85cm.
The drying of timber central layer: board using poplar board airing is also dried to water ratio 6%～15%.
The modulation of glue: select E1 level environment-friendly urea-formaldehyde resin glue, add the filler flour and the bean cake powder (1:2) that account for gross weight than being 30%, the order granularity of described bean cake powder is 400～800 orders, add the far-infrared powder of total amount 5% and 5% negative ion powder stir evenly, make it to become the thick liquid with mobility.
The gluing of central layer: use spreadometer by glue all be coated on central layer, Amount of spread 240g/.
The assembly of central layer and precompressed: the stacking visit of central layer after 11 layers of gluing is neat, and the central layer of non-gluing is spread on two sides, make it composition slab. Then slab loads chilling press cold pressing according to 2.0MPa pressure, cold pressing 1 hour time.
The hot pressing of slab: the thermocompressor that slab is loaded steam boiler heating, temperature 135 degrees Celsius, pressure 1.5MPa, hot pressing 50 minutes.
Cooling and cutting: the slab after hot pressing, after fully cooling, namely becomes the multiplying plywood with far-infrared negative-ion function, can carry out cutting processing according to required board dimension.
Embodiment two:
The production of timber central layer: use Yang Mu to be peeled into 1.5mm thick, and cut into the veneer of 125cm 85cm.
The drying of timber central layer: board using poplar board airing is also dried to water ratio 6%～10%.
The modulation of glue: select E1 level environment-friendly urea-formaldehyde resin glue, add the filler flour and the bean cake powder (1:2) that account for gross weight than being 25%, the order granularity of described bean cake powder is 400～800 orders, the far-infrared powder adding total amount 5% stirs evenly, makes it to become the thick liquid with mobility.
The gluing of central layer: use spreadometer by glue all be coated on central layer, Amount of spread 280g/.
The assembly of central layer and precompressed: the stacking visit of central layer after 11 layers of gluing is neat, and the central layer of non-gluing is spread on two sides, make it composition slab.
The hot pressing of slab: slab is loaded steam boiler and heats and the thermocompressor of installing arcuate die, temperature 145 degrees Celsius, pressure 2.5MPa, hot pressing 50 minutes.
Cooling and cutting: the slab after hot pressing, after fully cooling, namely becomes the bending-wood glued board with far-infrared functional, can carry out cutting processing according to required board dimension.
Embodiment three:
The production of timber central layer: use Yang Mu to be peeled into 1.5mm thick, and cut into veneer and the 1220cm 2440cm Yang Mu machine spelling core-board of 125cm 85cm simultaneously.
The drying of timber central layer: board using poplar board airing also dried to water ratio 6%～12%, spells woodwork slab by other 1220cm 2440cm Yang Mu machine simultaneously and also dries to 6%～12% water ratio.
The modulation of glue: select E1 level environment-friendly urea-formaldehyde resin glue, add the filler flour and the bean cake powder (1:2) that account for gross weight than being 20%, the order granularity of described bean cake powder is 400～800 orders, the negative ion powder adding total amount 5% stirs evenly, makes it to become the thick liquid with mobility.
The gluing of central layer: use spreadometer all to spell on woodwork slab with the machine that is coated in by glue, Amount of spread 350g/.
The assembly of central layer and precompressed: machine is spelled woodwork slab two sides each neatly stick 3 Yang Mu central layers, then send into chilling press, cold pressing 1 hour with the pressure of 1.5MPa.
The hot pressing of slab: the thermocompressor that slab is loaded steam boiler heating, temperature 160 degrees Celsius, pressure 1.5MPa, hot pressing 15 minutes.
Cooling and cutting: the slab after hot pressing is after fully cooling, then sticks each color patterned melamine impregnated paper, namely become the ecological plate of negative ion woodwork. Melamine impregnated paper be a kind of plain-color base paper or printing decorative paper through dipping aminoresin (terpolycyantoamino-formaldehyde resin and urea-formaldehyde resin) and be dried to a certain degree, there is the gummed paper of certain resin content and volatile content, can mutually glue together or glue together with artificial board substrate through hot pressing. Have the following advantages: 1. aesthetic material appearance effect, it is to increase use value.2. improve physicals, wear-resisting, acid and alkali-resistance, corrosion-resistant, expand use range. 4. avoid spraying paint, the technique such as brushing, simplify Wood-based Panel Production technique.
The above; it is only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; any it is familiar with those skilled in the art in the technical scope that the present invention discloses; technical scheme and invention design thereof according to the present invention are equal to replacement or are changed, and all should be encompassed within protection scope of the present invention.
Claims (7)
1. the manufacture method of an artificial board, it is characterised in that comprise the steps:
There is far infrared rays and/or the material layer of anion emission ability timber steel slab surface is coated.
2. the manufacture method of an artificial board, it is characterised in that, comprise the following steps:
Step S101, becomes the timber central layer of pre-determined thickness and size by timber rotary-cut or slicing;
Step S102, carries out airing or precompressed drying and processing by timber central layer, and the timber central layer water ratio after making process is 6%～15%;
Step S103, select urea-formaldehyde resin glue, add the flour and the bean cake powder mixture that account for gross weight than being 20%～30%, wherein flour and bean cake powder ratio are 1:2, the order granularity of described bean cake powder is 400～800 orders, add and account for gross weight than being the far-infrared powder of 3%～6% and/or account for gross weight than the negative ion powder being 3%～6% and stir evenly, make it to become the thick liquid gluing with mobility;
Step S104, it may also be useful to the gluing modulated is evenly coated on central layer by spreadometer, and Amount of spread is at 240g/m2To 350g/m2Between;
Step S105, is stacked as some layers by the central layer after gluing and puts neat, namely become slab;
Step S106, loads described slab chilling press applying 1.5MPa～2.5MPa pressure and colds pressing, cold pressing 30 minutes to 1 hour time;
Step S107, loads thermocompressor by slab, applies the pressure hot pressing of 1.5～2.5MPa under 131～160 degrees Celsius with thermocompressor, and hot pressing time is T, and slab thickness is H so that T >=(H/1mm) 1.5min;
Step S108, dries in the air slab cool, and slab is cut into desired shape by upper saw.
3. the manufacture method of artificial board according to claim 2, it is characterised in that, the timber of described making timber central layer comprises Yang Mu, willow, birch, pine or eucalyptus wood.
4. the manufacture method of artificial board according to claim 3, it is characterised in that, the slab in described step S105 can be put by different types of timber central layer is stacking.
5. the material manufacture method of wood-based plate according to claim 2, it is characterised in that, the type of heating of described thermocompressor comprises steam boiler, heat-conducting oil furnace or electric heating.
6. the manufacture method of artificial board according to claim 2, it is characterised in that, the slab in described step S105 is put by the central layer of different texture is stacking.
7. the artificial board that an artificial board manufacture method according to claim 2-6 any one manufactures.
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| CN201610060762.XA CN105666598A (en) | 2016-01-28 | 2016-01-28 | Wood-based panel and wood-based panel manufacturing method |
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| CN201610060762.XA CN105666598A (en) | 2016-01-28 | 2016-01-28 | Wood-based panel and wood-based panel manufacturing method |
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| CN106891405A (en) * | 2017-01-19 | 2017-06-27 | 苏州正泽木业有限公司 | A kind of processing method of anion timber and the timber |
| CN107088929A (en) * | 2017-05-23 | 2017-08-25 | 彭友 | It is a kind of can discharge anion exempt from paint health decoration sheet material and preparation method thereof |
| CN107263627A (en) * | 2017-07-10 | 2017-10-20 | 江苏艾科赛特新材料有限公司 | A kind of good artificial board preparation method of water resistance |
| CN113305952A (en) * | 2021-07-05 | 2021-08-27 | 广西新百合木业有限责任公司 | Bubbling minimally-invasive repairing method for plywood plate blank |
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| CN106363756A (en) * | 2016-08-31 | 2017-02-01 | 江苏吉福新材料股份有限公司 | Manufacturing technology of coated decoration board |
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| CN113305952A (en) * | 2021-07-05 | 2021-08-27 | 广西新百合木业有限责任公司 | Bubbling minimally-invasive repairing method for plywood plate blank |
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