CN105563568A - Production method of double wear-resistant laminate flooring - Google Patents
Production method of double wear-resistant laminate flooring Download PDFInfo
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- CN105563568A CN105563568A CN201510946723.5A CN201510946723A CN105563568A CN 105563568 A CN105563568 A CN 105563568A CN 201510946723 A CN201510946723 A CN 201510946723A CN 105563568 A CN105563568 A CN 105563568A
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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
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- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/04—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
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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
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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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/08—Impregnating
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- 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
- C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
- C08G12/12—Ureas; Thioureas
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- 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
- C09J161/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C09J161/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
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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
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
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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
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
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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
- B32B2311/00—Metals, their alloys or their compounds
- B32B2311/24—Aluminium
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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
- B32B2419/00—Buildings or parts thereof
- B32B2419/04—Tiles for floors or walls
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Abstract
The invention discloses a production method of a double wear-resistant laminate flooring, which comprises the following steps of 1) laying decorative paper on a wood board and then carrying out primary impregnation; 2) the alumina particles are spread and coated by air flow; 3) the decorative paper enters a drying box for primary drying; 4) extruding by a compression roller; 5) carrying out secondary impregnation; 6) carrying out secondary drying; the production method has the advantages that the raw materials involved in the production are rich in source, finish machining is not needed, the process and equipment are simple, the airflow spreading and coating technology is adopted, only the airflow spreading and coating structure is needed to be additionally arranged in the original impregnated paper production line, the original impregnated paper production process is not needed to be greatly adjusted, the original impregnated resin synthesis process is not needed to be changed, other auxiliaries are not needed to be added, the equipment structure is not needed to be greatly changed, the existing production equipment is fully utilized, industrialization is easy to realize, and the popularization and the application of the technology are facilitated.
Description
Technical field
The present invention relates to timber floor field, particularly a kind of production method of dual wear-resisting laminated flooring.
Background technology
Laminated flooring, formal name used at school: impregnated paper veneer laminate wood floors, be with one or more layers special heat of immersion same sex melaminated paper, mat formation at wood-based plate substrate surfaces such as particieboard, medium density fibre board (MDF), high density fiberboards, the back side adds balance layer, front adds wearing layer, through the floor of hot pressing.Consolidated floor has generally comprised wearing layer, decorative layer, sandwich layer, bottom, and wherein wearing layer requires the decorative pattern and the color that neither hide decorative layer, the surface being attached to decorative layer even and fine and closely woven again.The generally employing of current laminated flooring take high density fiberboard as base material, four layers of composite construction of surface layer wearing layer overlay paper (abrasion-proof paper or cellophane paper) and facing paper (printing paper), back side balance paper.This consolidated floor generally adopts the low press short period method or contact laminating to carry out hot pressing compound.
For the technique of wearing layer, mainly comprise following several: the first production technology is at the first under-coating varnish of substrate surface, then printed patterns, showering wearing layer and obtained wooden wear-resisting ornament materials again, wearing layer generally to be mixed with polyurethane resin (or alkyd resins, mylar, acrylic resin, vinyl etc.) and coordinative solvent by aluminium oxide etc. and forms.This kind of method produces wear-resisting ornament materials except technique relative complex, because institute's showering layer can not hide printed patterns, its thickness is general thinner, causes its wear-resisting value can not meet the purposes requirement of family expenses or commercialization, and the cost of resin material used own is higher and do not have higher wearability.
The second production technology adopts two layers of paper structure, base material wood-based plate is pasted on by overlay paper and facing paper assembly, wherein overlay paper is generally that intensity is high, ash content is low, the cellophane paper of high cellulose content, add the high-abrasive materials such as aluminium oxide at the central core of paper or contain the adhesive resin liquid of high-abrasive material in the coating of overlay paper surface in paper-making process, the surface by adhesive high-abrasive material being adhered to overlay paper obtains wearability, is the main method of producing wear-resisting wooden package material at present.Such as can refer to " a kind of new process for producing strengthening wood-plastic composite floor " that the patent No. is 201310469024.7, wherein just mention the surface-active solvent and the next bonding or spraying abrasion-proof layer of binder that adopt improvement.But the overlay paper adding high-abrasive material is expensive, 80% relies on import, and although the overlay paper price that paper surface adheres to high-abrasive material is slightly low, but can in use because the wearing and tearing of high-abrasive material be dropped and lose wearability gradually, and, with base material wood-based plate overlay in process, larger to the wear damage of various metal caul.More crisp after this kind of overlay paper impregnation drying in general, easily broken, loss is comparatively large, mainly with manual operations, and mechanized operation difficulty.
It is adopt secondary dipping process to produce that the third production technology adopts wear-resistant decorative paper, namely the resin content improving facing paper reaches 100%-150%, and the high-abrasive material of amount of resin 2%-4% is added when second time dipping, make suspending agent with sodium alginate or hydroxyl (carboxylic) methylcellulose, be beneficial to high-abrasive material dispersed in impregnating resin.This production method shortcoming is a larger increase that can cause impregnating resin viscosity after suspending agent is dissolved in impregnating resin, be unfavorable for that impregnating resin permeates in facing paper, in order to prevent the sedimentation of high-abrasive material, required constantly stirring, stir the bubble produced can invest on impregnated paper, further obstruction impregnating resin permeates in impregnated paper, and the resin content of facing paper is uneven and be difficult to reach higher level.And after impregnated paper is drawn out steeping vat, due to particle diameter, the quality difference of high-abrasive material, obviously mountain type texture can be produced because of the sagging of resin on the surface of impregnated paper, be namely difficult to the impregnation surface obtaining stable homogeneous.In addition because facing paper two sides is all stained with high-abrasive material, its one side contacted with artificial board substrate is bad with the gummed of base material, causes surface bonding strength to decline, even layering.And the one side contacted with polishing backing plate etc. is larger to the wearing and tearing of polishing backing plate etc. in hot pressing, its abrasion resistant effect still has larger gap compared with using the wear-resisting ornament materials of wearing coat paper, still cannot solve in use because the wearing and tearing of high-abrasive material are dropped and lose the shortcoming of wearability gradually, this higher high-abrasive material content can have influence on the definition of facing paper in addition simultaneously.
4th kind of production technology and so-called liquid wear-resistant immersion facing paper technology add in melmac by the high-abrasive material of necessarily screening value, in order to overcome the rapid subsidence in liquid glue such as aluminium oxide, develops multiple formulations.Such as, by adding Sai Lulu, polymer carrier, or natural gum etc., thus ensure that aluminium oxide etc. floats in liquid glue.Then with the surface of this resin spray or showering facing paper, the impregnated paper of high abrasion can be obtained after drying.The shortcoming that liquid wear-resistant immersion paper technology exists has: the formula of melamino-formaldehyde impregnating resin and additive types and consumption must enter special design, to obtain the appropriate viscosity for preventing needed for high-abrasive material sedimentation, are difficult to promote in middle-size and small-size factory; Further, in order to prevent the sedimentation of high-abrasive material from must screen the quality of high-abrasive material and particle diameter, the utilization rate of high-abrasive material is lower; Due to for spray or the mixture viscosity of melamine resin of showering higher, frequent plug nozzle, when being sprayed at dipping decorative paper surface, Resin permeability is poor, can produce sagging, causes high-abrasive material to produce mountain type striped, skewness on facing paper surface; And adopt the resin content being difficult to control impregnated paper during showering, and use the high-abrasive material cost of certain screening value higher, still cannot avoid the damage to polishing backing plate simultaneously.
Laminated floorings etc. in use surface will bear a series of test, such as, wear and tear, pollute, scratch and surface contact high-temp liquid etc.Laminated flooring must to keep after a series of daily test in it performance, wearability and outward appearance ornamental, relies on the performance of wearing layer very much.Laminated flooring has very strong user demand from low wear-resisting Household floor to the commercial floor of high abrasion.At present, the main flow mode of production of laminated flooring adds transparent wear-resistant top layer bond paper, wearing coat bond paper body paper more than 80% dependence on import that China is used on the surface of decorative film adhesive, and source is nervous and cost is higher.And in the production technology of existing increase decorative film adhesive surface abrasion resistance, as liquid wear-proof technique, the defects such as the such as cost of existence all is in various degree high, complex process, quality are unstable, be badly in need of exploitation one and do not affect existing decorative film adhesive production technology, cost is lower, the relatively simple new technology of technique, to solve the problem.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of production method of dual wear-resisting laminated flooring.
The technical solution adopted for the present invention to solve the technical problems is:
A production method for dual wear-resisting laminated flooring, comprises the following steps:
1) after spreading facing paper on plank, in the Lauxite of liquid state, carry out single-steeping, make Lauxite penetrate into top layer and the internal layer of facing paper;
2) mode that alumina particle is coated with through air-flow paving is dispersed in resin surface uniformly, and make the large a part of sedimentation of density enter resin inside, the part that density is little stays resin surface, forms a gradual change layer structure;
3) facing paper enters drying box and carries out primary drying, water evaporates in the Lauxite of described mixed resin solution, Lauxite crosslinking curing becomes hard resin, the alumina particle of gradual change layer structure is fixed in hard resin uniformly, extruded by pressure roller simultaneously, make the further densification of alumina particle;
4) coat melamine resin and carry out double-steeping;
5) carry out redrying, melamine resin and after to form wear-resisting facing composite membrane.
As a preference, described step 2) described in alumina particle be added with silane coupler.
As a preference, the adaptation step of the melamine resin in described step 4) comprises,
4.1a) by adding 35% ~ 38% formalin 60 ~ 63 parts, 28 ~ 31 parts, running water, diethylene glycol (DEG) 4 ~ 6 parts in a kettle., the sodium hydroxide solution with 38 ~ 43% adjusts ph value to 9.0;
Add melamine 47 ~ 55 parts after 4.1b) being heated to 45 DEG C, be warmed up to 90 DEG C from 45 DEG C, 45 minutes used times;
4.1c) reaction solution adds 2 ~ 2.8 parts of caprolactams after becoming clarification, 90 DEG C of insulations 120 minutes, and sampling and testing cloud point terminal;
4.1d) start to cool to 80 DEG C, 1.5 ~ 2.5 parts of aluminium oxide and 0.15 ~ 0.23 part of y-aminopropyl triethoxysilane are reacted, cooling to 40 DEG C of times from 90 is 90 minutes.
As a preference, in described step 4) the pH of melamine resin 8.0 ~ 9.0, viscosity 13 ~ 15 seconds/25 DEG C be coated with-4 glasss, solid content 49 ~ 52%, density 1.20 ~ 1.22g/cm3, water number 1.8 ~ 2.5, the impregnation auxiliary agent accounting of described melamine resin comprise melamine cured dose 1% ~ 1.2%, infiltration-releasing agent 0.04% ~ 0.05%, dedusting agent 0.1% ~ 0.3%, defoamer 0.04% ~ 0.05%.
As a preference, the adaptation step of described Lauxite comprises,
1.1a) by 270 ~ 320 parts of formaldehyde, 90 ~ 110 parts of urea and 5 ~ 7 parts of hexa mix and blends;
1.1b) be warming up to 90 DEG C after 30 minutes, be incubated 30 minutes;
1.1c) regulate Ph to be 4.3 ~ 4.6 with formic acid, react after 50 minutes and continue to survey atomization point, add sodium hydroxide solution immediately after having atomization point when 10 DEG C and adjust ph value to 7;
1.1d) add 65 ~ 75 parts, second batch urea, natural thermal insulation after 20 minutes, then drops into 17 ~ 23 parts, the 3rd batch of urea, natural thermal insulation 10 minutes;
1.1e) open cooling water temperature to 50 DEG C, reaction terminates, and blowing is preserved.
As a preference, in described step 1) the pH of Lauxite 7.0 ~ 7.5, viscosity 12 ~ 14 seconds/25 DEG C be coated with-4 glasss, solid content 50 ~ 53%, density 1.20 ~ 1.22g/cm3, water number 4.5 ~ 6.5, the impregnation auxiliary agent accounting of described Lauxite comprises urea adhesive curing agent 0.1% ~ 0.3%, bleeding agent 0.1% ~ 0.2%, dedusting agent 0.1% ~ 0.3%, defoamer 0.04% ~ 0.05%.
As a preference, the interpolation step of the Lauxite in described step 1) is for carry out in batches, and step comprises,
1.2a) in the initial stage of that the urea formadehyde mol ratio that feeds intake ensures that F/U is 2.1 ~ 2.3;
1.2b) second batch feeds intake and ensures that F/U is 1.3 ~ 1.6;
1.2c) the 3rd batch feeds intake and ensures that F/U is 1.0 ~ 1.3.
As a preference, by the precuring of four joint baking ovens in described step 3), wherein the temperature of four joint baking ovens is respectively 135 DEG C, 160 DEG C, 145 DEG C, 125 DEG C, by the precuring of five joint baking ovens in described step 5), wherein the temperature of five joint baking ovens is respectively 140 DEG C, 160 DEG C, 170 DEG C, 165 DEG C, 155 DEG C.
A production equipment for dual wear-resisting laminated flooring, comprises streamline, is provided with air-flow paving and is coated with structure above described streamline, and described air-flow paving is coated with hopper and the hair-dryer that structure includes lower ending opening, and described hair-dryer is positioned at the opening part of hopper.
A kind of dual wear-resisting laminated flooring, comprise the facing paper on plank and plank, melamine-formaldehyde resin bonded laminate is provided with between described plank and facing paper, described facing paper is provided with wear-resisting facing composite membrane, described wear-resisting facing composite membrane includes aluminium oxide wearing layer and melamine resin top layer successively.
The invention has the beneficial effects as follows: the abundant raw material source involved by this production, need not fine finishining, Processes and apparatus is simple, adopt air-flow paving painting technology only need install air-flow paving additional in original impregnated paper production line and be coated with structure, do not need to do larger adjustment to original impregnated paper production technology, do not need to change original impregnating resin synthesis technique, without the need to adding other auxiliary agent, do not need significantly to change device structure yet, make full use of existing production equipment, easily realize industrialization, be conducive to applying of technology.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is device structure schematic diagram of the present invention;
Fig. 2 is finished product structure schematic diagram of the present invention.
Detailed description of the invention
In order to make the object of the application, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.For thorough understanding the present invention, some specific detail can be related in ensuing description.And when not having these specific detail, the present invention then may still can realize, those of skill in the art namely use the work that these describe and statement effectively introduces them to the others skilled in the art in affiliated field herein essential.Should be appreciated that specific embodiment described herein only in order to explain the application, and be not used in restriction real protection scope.And for avoiding confusion object of the present invention, because the technology such as plank, facing paper known has been readily appreciated that, therefore they have not been described in detail.
With reference to Fig. 1, Fig. 2, a kind of production method of dual wear-resisting laminated flooring, comprises the following steps:
1) after spreading facing paper 2 on plank 1, in the Lauxite of liquid state, carry out single-steeping, make Lauxite penetrate into top layer and the internal layer of facing paper 2;
2) mode that alumina particle is coated with through air-flow paving is dispersed in resin surface uniformly, and make the large a part of sedimentation of density enter resin inside, the part that density is little stays resin surface, forms a gradual change layer structure;
3) facing paper 2 enters drying box and carries out primary drying, water evaporates in the Lauxite of described mixed resin solution, Lauxite crosslinking curing becomes hard resin, the alumina particle of gradual change layer structure is fixed in hard resin uniformly, extruded by pressure roller simultaneously, make the further densification of alumina particle;
4) coat melamine resin and carry out double-steeping;
5) carry out redrying, melamine resin and after to form wear-resisting facing composite membrane 3.
Facing paper 2 is after step 1) single-steeping, also do not enter drying box, Lauxite is in a liquid state, alumina particle is through step 2) air-flow paving be coated be dispersed in uniformly facing paper 2 Lauxite surface, the large a part of sedimentation of density enters resin inside, the part that density is little stays resin surface, forms a gradual change layer structure like this.After facing paper 2 enters drying box in step 3), water evaporates in Lauxite, resin crosslinks solidification becomes solid, the alumina particle of layer structure changes is fixed in hard resin admittedly uniformly, extrude through stainless steel rider again, make the further densification of alumina particle, thus do not affect double-steeping.Through the double-steeping of step 4), coat melamine resin, obtain product after drying from wear-resisting facing composite membrane.New facing compound has 4 Rotating fields, and ground floor is melamine resin, brings gloss to surface, give water-fast, the resistant in surface, the performance such as heat-resisting, weather-proof simultaneously, the second layer is alumina particle wearing layer, and improve the anti-wear performance of composite membrane, third layer is decorative layer, be printed on the patterns such as wood grain, play beauty function, the 4th layer is melamine-formaldehyde resin bed, during hot pressing, play cross-linkable adhesive effect, facing composite membrane and sheet material are closely linked.
For the wear-resistant material avoiding particle diameter larger hides the shading of facing paper, the larger wear-resistant material of particle diameter also must be avoided simultaneously in following process process to hurt facing paper, the upper limit of wear-resistant material particle diameter must be determined---maximum particle diameter; Simultaneously under the effect of air-flow, the wear-resistant material crossing small particle diameter will be in floating state always, and sedimentation cannot adhere to the surface of facing paper, must determine wear-resistant material particle diameter limit---minimum grain size.Alumina particle particle diameter is larger, and anti-wear performance is better, but along with the increase of alumina particle particle diameter, its suspendability is deteriorated, and the adhesive property of particle on paper also declines.Therefore the reasonable domain size distribution of wear-resistant material being applicable to airflow pavement must be determined.Anti-wear performance depends primarily on content and the dispersiveness of alumina particle.Alumina particle content is higher, dispersion is more even, then wearability is better.But alumina particle addition is too high, the problems such as presentation quality decline, difficulties in dispersion can be caused.The compatibility of Lauxite and alumina particle particle has significant impact to dispersiveness, the surface tension of Lauxite is large, wettability is poor, alumina particle particle does not just can be uniformly dispersed combination, reducing the continuous surface tension of Lauxite by adding surfactant, increasing the affinity of alumina particle particle and Lauxite.Alumina particle particle and resin must be combined with each other, and could improve anti-wear performance, so one is make alumina particle uniform particles distribute, two is make alumina particle particle be fixed in resin, and not positioning is moved.In step 2) air-flow paving painting process in, the alumina particle as wear-resistant material is subject to the effect of two power, i.e. gravity and the lift upwards with the proportional change of wear-resistant material surface area, by the floating and sedimentation of wear-resistant material of making a concerted effort to determine of these two power.
Described step 2) described in alumina particle be added with silane coupler.Coupling agent has both sexes structure, a part of group in its molecule can with the various functional group reactionses of powder surface, form strong chemical bonding; Can there is some chemical reaction or physical entanglement with organic polymer in another part group, thus combined securely by material very large for two kinds of nature differences, makes to produce between inorganic filler and organic polymer molecule " molecular bridge " with specific function.Silane coupler, having under water existent condition, first decomposes; Then there is dehydration condensation and generate oligomer; This oligomer hydroxyl that is very easy and ultrafine particle surface forms Hydrogenbond; Then in heat drying process, dehydration forms covalent bond combination; Last ultrafine particle surface just cover by silane coupler.
The adaptation step of the melamine resin in described step 4) comprises,
4.1a) by adding 35% ~ 38% formalin 60 ~ 63 parts, 28 ~ 31 parts, running water, diethylene glycol (DEG) 4 ~ 6 parts in a kettle., the sodium hydroxide solution with 38 ~ 43% adjusts ph value to 9.0;
Add melamine 47 ~ 55 parts after 4.1b) being heated to 45 DEG C, be warmed up to 90 DEG C from 45 DEG C, 45 minutes used times;
4.1c) reaction solution adds 2 ~ 2.8 parts of caprolactams after becoming clarification, 90 DEG C of insulations 120 minutes, and sampling and testing cloud point terminal;
4.1d) start to cool to 80 DEG C, 1.5 ~ 2.5 parts of aluminium oxide and 0.15 ~ 0.23 part of y-aminopropyl triethoxysilane are reacted, cooling to 40 DEG C of times from 90 is 90 minutes, in melamine resin production cooling procedure, by adding ultra-fine alumina and alundum (Al2O3), whip modified is carried out with the coupling agent KH-550 of 0.1%, utilize the preheating of temperature-fall period, make melamine resin and ultra-fine alumina carry out the combination of covalent bond, obtain the melamine resin with anti-wear performance.
In described step 4) the pH of melamine resin 8.0 ~ 9.0, viscosity 13 ~ 15 seconds/25 DEG C be coated with-4 glasss, solid content 49 ~ 52%, density 1.20 ~ 1.22g/cm3, water number 1.8 ~ 2.5, the impregnation auxiliary agent accounting of described melamine resin comprise melamine cured dose 1% ~ 1.2%, infiltration-releasing agent 0.04% ~ 0.05%, dedusting agent 0.1% ~ 0.3%, defoamer 0.04% ~ 0.05%.
The adaptation step of described Lauxite comprises,
1.1a) by 270 ~ 320 parts of formaldehyde, 90 ~ 110 parts of urea and 5 ~ 7 parts of hexa mix and blends;
1.1b) be warming up to 90 DEG C after 30 minutes, be incubated 30 minutes;
1.1c) regulate Ph to be 4.3 ~ 4.6 with formic acid, react after 50 minutes and continue to survey atomization point, add sodium hydroxide solution immediately after having atomization point when 10 DEG C and adjust ph value to 7;
1.1d) add 65 ~ 75 parts, second batch urea, natural thermal insulation after 20 minutes, then drops into 17 ~ 23 parts, the 3rd batch of urea, natural thermal insulation 10 minutes;
1.1e) open cooling water temperature to 50 DEG C, reaction terminates, and blowing is preserved.
In described step 1) the pH of Lauxite 7.0 ~ 7.5, viscosity 12 ~ 14 seconds/25 DEG C be coated with-4 glasss, solid content 50 ~ 53%, density 1.20 ~ 1.22g/cm3, water number 4.5 ~ 6.5, the impregnation auxiliary agent accounting of described Lauxite comprises urea adhesive curing agent 0.1% ~ 0.3%, bleeding agent 0.1% ~ 0.2%, dedusting agent 0.1% ~ 0.3%, defoamer 0.04% ~ 0.05%.
The interpolation step of the Lauxite in described step 1) is for carry out in batches, and step comprises,
1.2a) in the initial stage of that the urea formadehyde mol ratio that feeds intake ensures that F/U is 2.1 ~ 2.3, is conducive to the generation of dimethylol urea, increases adhesive strength;
1.2b) second batch feeds intake and ensures that F/U is 1.3 ~ 1.6, ensures that polycondensation reaction continues to carry out;
1.2c) the 3rd crowd of guarantee F/U that feeds intake, namely total mol ratio is that 1.0 ~ 1.3 urea now added are mainly used in absorbing formaldehyde, reduces free formaldehyde concentration to greatest extent.
Adopt the above-mentioned technique dynamically fed intake both to maintain the superperformance of Lauxite, effectively reduce again the concentration of formaldehyde of Lauxite and facing composite membrane.
By the precuring of four joint baking ovens in described step 3), wherein the temperature of four joint baking ovens is respectively 135 DEG C, 160 DEG C, 145 DEG C, 125 DEG C, by the precuring of five joint baking ovens in described step 5), wherein the temperature of five joint baking ovens is respectively 140 DEG C, 160 DEG C, 170 DEG C, 165 DEG C, 155 DEG C.
According to above-mentioned principle, the present invention can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the present invention is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.
Another kind of embodiment, wherein alleged herein " embodiment " refers to special characteristic, structure or the characteristic that can be contained at least one implementation of the application.Different local in this manual " in the embodiment " occurred not all refers to same embodiment, neither be independent or optionally mutually exclusive with other embodiments embodiment.Embodiment comprises the following steps:
1) after spreading facing paper 2 on plank 1, single-steeping is carried out in the Lauxite of liquid state, Lauxite is made to penetrate into top layer and the internal layer of facing paper 2, the pH of Lauxite 7.0, viscosity 12 seconds/25 DEG C be coated with-4 glasss, solid content 50%, density 1.20g/cm3, water number 4.5, the impregnation auxiliary agent accounting of described Lauxite comprises urea adhesive curing agent 0.1%, bleeding agent 0.1%, dedusting agent 0.1%, defoamer 0.04%, the adaptation step of Lauxite comprises
1.1a) by 270 parts of formaldehyde, 90 parts of urea and 5 parts of hexa mix and blends;
1.1b) be warming up to 90 DEG C after 30 minutes, be incubated 30 minutes;
1.1c) regulate Ph to be 4.3 with formic acid, react after 50 minutes and continue to survey atomization point, add sodium hydroxide solution immediately after having atomization point when 10 DEG C and adjust ph value to 7;
1.1d) add 65 parts, second batch urea, natural thermal insulation after 20 minutes, then drops into 17 parts, the 3rd batch of urea, natural thermal insulation 10 minutes;
1.1e) open cooling water temperature to 50 DEG C, reaction terminates, and blowing is preserved.
The interpolation step of Lauxite is for carry out in batches, and step comprises,
1.2a) in the initial stage of that the urea formadehyde mol ratio that feeds intake ensures that F/U is 2.1;
1.2b) second batch feeds intake and ensures that F/U is 1.3;
1.2c) the 3rd batch feeds intake and ensures that F/U is 1.0.；
2) mode that alumina particle is coated with through air-flow paving is dispersed in resin surface uniformly, the large a part of sedimentation of density is made to enter resin inside, the part that density is little stays resin surface, and form a gradual change layer structure, described alumina particle is added with silane coupler;
3) facing paper 2 enters drying box and carries out primary drying, by the precuring of four joint baking ovens, wherein the temperature of four joint baking ovens is respectively 135 DEG C, 160 DEG C, 145 DEG C, 125 DEG C, water evaporates in the Lauxite of described mixed resin solution, Lauxite crosslinking curing becomes hard resin, the alumina particle of gradual change layer structure is fixed in hard resin uniformly, is extruded by pressure roller simultaneously, makes the further densification of alumina particle;
4) coat melamine resin and carry out double-steeping, wherein in step 4) the pH of melamine resin 8.0, viscosity 13 seconds/25 DEG C be coated with-4 glasss, solid content 49%, density 1.20g/cm3, water number 1.8, the impregnation auxiliary agent accounting of described melamine resin comprise melamine cured dose 1%, infiltration-releasing agent 0.04%, dedusting agent 0.1%, defoamer 0.04%, the adaptation step of melamine resin comprises
4.1a) by adding 35% formalin 60 parts, 28 parts, running water, diethylene glycol (DEG) 4 parts in a kettle., the sodium hydroxide solution with 38% adjusts ph value to 9.0;
Add melamine 47 parts after 4.1b) being heated to 45 DEG C, be warmed up to 90 DEG C from 45 DEG C, 45 minutes used times;
4.1c) reaction solution adds 2 parts of caprolactams after becoming clarification, 90 DEG C of insulations 120 minutes, and sampling and testing cloud point terminal;
4.1d) start to cool to 80 DEG C, 1.5 parts of aluminium oxide and 0.15 part of y-aminopropyl triethoxysilane are reacted, cooling to 40 DEG C of times from 90 is 90 minutes;
5) carry out redrying, melamine resin and after to form wear-resisting facing composite membrane 3, by five joint baking ovens precuring, wherein five joint baking ovens temperature be respectively 140 DEG C, 160 DEG C, 170 DEG C, 165 DEG C, 155 DEG C.
L embodiment 2 comprises the following steps:
1) after spreading facing paper 2 on plank 1, single-steeping is carried out in the Lauxite of liquid state, Lauxite is made to penetrate into top layer and the internal layer of facing paper 2, the pH of Lauxite 7.1, viscosity 13 seconds/25 DEG C be coated with-4 glasss, solid content 50 ~ 53%, density 1.21g/cm3, water number 5.0, the impregnation auxiliary agent accounting of described Lauxite comprises urea adhesive curing agent 0.15%, bleeding agent 0.11%, dedusting agent 0.12%, defoamer 0.041%, the adaptation step of Lauxite comprises
1.1a) by 290 parts of formaldehyde, 95 parts of urea and 6 parts of hexa mix and blends;
1.1b) be warming up to 90 DEG C after 30 minutes, be incubated 30 minutes;
1.1c) regulate Ph to be 4.4 with formic acid, react after 50 minutes and continue to survey atomization point, add sodium hydroxide solution immediately after having atomization point when 10 DEG C and adjust ph value to 7;
1.1d) add 68 parts, second batch urea, natural thermal insulation after 20 minutes, then drops into 18 parts, the 3rd batch of urea, natural thermal insulation 10 minutes;
1.1e) open cooling water temperature to 50 DEG C, reaction terminates, and blowing is preserved.
The interpolation step of Lauxite is for carry out in batches, and step comprises,
1.2a) in the initial stage of that the urea formadehyde mol ratio that feeds intake ensures that F/U is 2.1;
1.2b) second batch feeds intake and ensures that F/U is 1.4;
1.2c) the 3rd batch feeds intake and ensures that F/U is 1.1.；
2) mode that alumina particle is coated with through air-flow paving is dispersed in resin surface uniformly, the large a part of sedimentation of density is made to enter resin inside, the part that density is little stays resin surface, and form a gradual change layer structure, described alumina particle is added with silane coupler;
3) facing paper 2 enters drying box and carries out primary drying, by the precuring of four joint baking ovens, wherein the temperature of four joint baking ovens is respectively 135 DEG C, 160 DEG C, 145 DEG C, 125 DEG C, water evaporates in the Lauxite of described mixed resin solution, Lauxite crosslinking curing becomes hard resin, the alumina particle of gradual change layer structure is fixed in hard resin uniformly, is extruded by pressure roller simultaneously, makes the further densification of alumina particle;
4) coat melamine resin and carry out double-steeping, wherein in step 4) the pH of melamine resin 8.1, viscosity 13 seconds/25 DEG C be coated with-4 glasss, solid content 50%, density 1.21g/cm3, water number 1.9, the impregnation auxiliary agent accounting of described melamine resin comprise melamine cured dose 1%%, infiltration-releasing agent 0.04%%, dedusting agent 0.2%, defoamer 0.04%, the adaptation step of melamine resin comprises
4.1a) by adding 36% formalin 61 parts, 29 parts, running water, diethylene glycol (DEG) 5 parts in a kettle., the sodium hydroxide solution with 39% adjusts ph value to 9.0;
Add melamine 48 parts after 4.1b) being heated to 45 DEG C, be warmed up to 90 DEG C from 45 DEG C, 45 minutes used times;
4.1c) reaction solution adds 2.2 parts of caprolactams after becoming clarification, 90 DEG C of insulations 120 minutes, and sampling and testing cloud point terminal;
4.1d) start to cool to 80 DEG C, 1.7 parts of aluminium oxide and 0.17 part of y-aminopropyl triethoxysilane are reacted, cooling to 40 DEG C of times from 90 is 90 minutes;
5) carry out redrying, melamine resin and after to form wear-resisting facing composite membrane 3, by five joint baking ovens precuring, wherein five joint baking ovens temperature be respectively 140 DEG C, 160 DEG C, 170 DEG C, 165 DEG C, 155 DEG C.
L embodiment 3 comprises the following steps:
1) after spreading facing paper 2 on plank 1, single-steeping is carried out in the Lauxite of liquid state, Lauxite is made to penetrate into top layer and the internal layer of facing paper 2, the pH of Lauxite 7.3, viscosity 13 seconds/25 DEG C be coated with-4 glasss, solid content 52%, density 1.21g/cm3, water number 6.0, the impregnation auxiliary agent accounting of described Lauxite comprises urea adhesive curing agent 0.2%, bleeding agent 0.15%, dedusting agent 0.2%, defoamer 0.045%, the adaptation step of Lauxite comprises
1.1a) by 300 parts of formaldehyde, 100 parts of urea and 6 parts of hexa mix and blends;
1.1b) be warming up to 90 DEG C after 30 minutes, be incubated 30 minutes;
1.1c) regulate Ph to be 4.5 with formic acid, react after 50 minutes and continue to survey atomization point, add sodium hydroxide solution immediately after having atomization point when 10 DEG C and adjust ph value to 7;
1.1d) add 70 parts, second batch urea, natural thermal insulation after 20 minutes, then drops into 21 parts, the 3rd batch of urea, natural thermal insulation 10 minutes;
1.1e) open cooling water temperature to 50 DEG C, reaction terminates, and blowing is preserved.
The interpolation step of Lauxite is for carry out in batches, and step comprises,
1.2a) in the initial stage of that the urea formadehyde mol ratio that feeds intake ensures that F/U is 2.2;
1.2b) second batch feeds intake and ensures that F/U is 1.5;
1.2c) the 3rd batch feeds intake and ensures that F/U is 1.2.；
2) mode that alumina particle is coated with through air-flow paving is dispersed in resin surface uniformly, the large a part of sedimentation of density is made to enter resin inside, the part that density is little stays resin surface, and form a gradual change layer structure, described alumina particle is added with silane coupler;
3) facing paper 2 enters drying box and carries out primary drying, by the precuring of four joint baking ovens, wherein the temperature of four joint baking ovens is respectively 135 DEG C, 160 DEG C, 145 DEG C, 125 DEG C, water evaporates in the Lauxite of described mixed resin solution, Lauxite crosslinking curing becomes hard resin, the alumina particle of gradual change layer structure is fixed in hard resin uniformly, is extruded by pressure roller simultaneously, makes the further densification of alumina particle;
4) coat melamine resin and carry out double-steeping, wherein in step 4) the pH of melamine resin 8.8, viscosity 14 seconds/25 DEG C be coated with-4 glasss, solid content 50%, density 1.21g/cm3, water number 2.2, the impregnation auxiliary agent accounting of described melamine resin comprise melamine cured dose 1.1%, infiltration-releasing agent 0.047%, dedusting agent 0.25%, defoamer 0.045%, the adaptation step of melamine resin comprises
4.1a) by adding 37% formalin 61 parts, 30 parts, running water, diethylene glycol (DEG) 5 parts in a kettle., the sodium hydroxide solution with 40% adjusts ph value to 9.0;
Add melamine 50 parts after 4.1b) being heated to 45 DEG C, be warmed up to 90 DEG C from 45 DEG C, 45 minutes used times;
4.1c) reaction solution adds 2.5 parts of caprolactams after becoming clarification, 90 DEG C of insulations 120 minutes, and sampling and testing cloud point terminal;
4.1d) start to cool to 80 DEG C, 2 parts of aluminium oxide and 0.2 part of y-aminopropyl triethoxysilane are reacted, cooling to 40 DEG C of times from 90 is 90 minutes;
5) carry out redrying, melamine resin and after to form wear-resisting facing composite membrane 3, by five joint baking ovens precuring, wherein five joint baking ovens temperature be respectively 140 DEG C, 160 DEG C, 170 DEG C, 165 DEG C, 155 DEG C.
L embodiment 4 comprises the following steps:
1) after spreading facing paper 2 on plank 1, single-steeping is carried out in the Lauxite of liquid state, Lauxite is made to penetrate into top layer and the internal layer of facing paper 2, the pH of Lauxite 7.5, viscosity 14 seconds/25 DEG C be coated with-4 glasss, solid content 53%, density 1.22g/cm3, water number 4.5 ~ 6.5, the impregnation auxiliary agent accounting of described Lauxite comprises urea adhesive curing agent 0.3%, bleeding agent 0.2%, dedusting agent 0.3%, defoamer 0.05%, the adaptation step of Lauxite comprises
1.1a) by 320 parts of formaldehyde, 110 parts of urea and 7 parts of hexa mix and blends;
1.1b) be warming up to 90 DEG C after 30 minutes, be incubated 30 minutes;
1.1c) regulate Ph to be 4.6 with formic acid, react after 50 minutes and continue to survey atomization point, add sodium hydroxide solution immediately after having atomization point when 10 DEG C and adjust ph value to 7;
1.1d) add 75 parts, second batch urea, natural thermal insulation after 20 minutes, then drops into 23 parts, the 3rd batch of urea, natural thermal insulation 10 minutes;
1.1e) open cooling water temperature to 50 DEG C, reaction terminates, and blowing is preserved.
The interpolation step of Lauxite is for carry out in batches, and step comprises,
1.2a) in the initial stage of that the urea formadehyde mol ratio that feeds intake ensures that F/U is 2.3;
1.2b) second batch feeds intake and ensures that F/U is 1.6;
1.2c) the 3rd batch feeds intake and ensures that F/U is 1.3.；
2) mode that alumina particle is coated with through air-flow paving is dispersed in resin surface uniformly, the large a part of sedimentation of density is made to enter resin inside, the part that density is little stays resin surface, and form a gradual change layer structure, described alumina particle is added with silane coupler;
3) facing paper 2 enters drying box and carries out primary drying, by the precuring of four joint baking ovens, wherein the temperature of four joint baking ovens is respectively 135 DEG C, 160 DEG C, 145 DEG C, 125 DEG C, water evaporates in the Lauxite of described mixed resin solution, Lauxite crosslinking curing becomes hard resin, the alumina particle of gradual change layer structure is fixed in hard resin uniformly, is extruded by pressure roller simultaneously, makes the further densification of alumina particle;
4) coat melamine resin and carry out double-steeping, wherein in step 4) the pH of melamine resin 9.0, viscosity 15 seconds/25 DEG C be coated with-4 glasss, solid content 52%, density 1.22g/cm3, water number 2.5, the impregnation auxiliary agent accounting of described melamine resin comprise melamine cured dose 1.2%, infiltration-releasing agent 0.05%, dedusting agent 0.3%, defoamer 0.05%, the adaptation step of melamine resin comprises
4.1a) by adding 38% formalin 63 parts, 31 parts, running water, diethylene glycol (DEG) 6 parts in a kettle., the sodium hydroxide solution with 43% adjusts ph value to 9.0;
Add melamine 55 parts after 4.1b) being heated to 45 DEG C, be warmed up to 90 DEG C from 45 DEG C, 45 minutes used times;
4.1c) reaction solution adds 2.8 parts of caprolactams after becoming clarification, 90 DEG C of insulations 120 minutes, and sampling and testing cloud point terminal;
4.1d) start to cool to 80 DEG C, 2.5 parts of aluminium oxide and 0.23 part of y-aminopropyl triethoxysilane are reacted, cooling to 40 DEG C of times from 90 is 90 minutes;
5) carry out redrying, melamine resin and after to form wear-resisting facing composite membrane 3, by five joint baking ovens precuring, wherein five joint baking ovens temperature be respectively 140 DEG C, 160 DEG C, 170 DEG C, 165 DEG C, 155 DEG C.
With reference to Fig. 1, a production equipment for dual wear-resisting laminated flooring, comprises streamline 4, is provided with air-flow paving and is coated with structure 5 above described streamline 4, described air-flow paving is coated with hopper 51 and the hair-dryer 52 that structure 5 includes lower ending opening, and described hair-dryer 52 is positioned at the opening part of hopper 51.The air-flow paving that this equipment utilization air-flow paving is coated with structure 5 is coated with design, and the solid of manufacture, from wear-resisting decoration composite membrane, has high strength, wear-resistant material utilization rate is high, wearability arbitrarily can adjust with customer requirement, cost is low advantage.Eliminate the high speed dispersion operation of alumina particle in liquid resin, airflow pavement, alumina particle with opening, when produce do not require the common facing composite membrane of anti-wear performance time, closed gas flow laying device, need not clean production line.In addition, utilize this equipment in laminated flooring is produced, can surface layer abrasion-proof paper be saved, will the production technology of laminated flooring be simplified, reduce the production cost of laminated flooring.
With reference to Fig. 2, a kind of dual wear-resisting laminated flooring, comprise the facing paper 2 on plank 1 and plank 1, melamine-formaldehyde resin bonded laminate 6 is provided with between described plank 1 and facing paper 2, described facing paper 2 is provided with wear-resisting facing composite membrane 3, and described wear-resisting facing composite membrane 3 includes aluminium oxide wearing layer 7 and melamine resin top layer 8 successively.Wherein melamine resin top layer 8 brings gloss to play water-fast, resistant, heat-resisting, weather-proof effect to surface simultaneously.Aluminium oxide wearing layer 7 improves wear-resisting facing composite membrane 3 anti-wear performance.Facing paper 2 can be printed on the patterns such as wood grain, plays beauty function.Melamine-formaldehyde resin bonded laminate 6, when hot pressing, plays cross-linkable adhesive effect, and wear-resisting facing composite membrane 3 is closely linked with plank 1.
Claims (10)
1. a production method for dual wear-resisting laminated flooring, is characterized in that, comprise the following steps:
1) after spreading facing paper (2) on plank (1), in the Lauxite of liquid state, carry out single-steeping, make Lauxite penetrate into top layer and the internal layer of facing paper (2);
2) mode that alumina particle is coated with through air-flow paving is dispersed in resin surface uniformly, and make the large a part of sedimentation of density enter resin inside, the part that density is little stays resin surface, forms a gradual change layer structure;
3) facing paper (2) enters drying box and carries out primary drying, water evaporates in the Lauxite of described mixed resin solution, Lauxite crosslinking curing becomes hard resin, the alumina particle of gradual change layer structure is fixed in hard resin uniformly, extruded by pressure roller simultaneously, make the further densification of alumina particle;
4) coat melamine resin and carry out double-steeping;
5) carry out redrying, melamine resin and after to form wear-resisting facing composite membrane (3).
2. the production method of a kind of dual wear-resisting laminated flooring according to claim 1, is characterized in that: described step 2) described in alumina particle be added with silane coupler.
3. the production method of a kind of dual wear-resisting laminated flooring according to claim 1, is characterized in that: described step 4) in the adaptation step of melamine resin comprise,
4.1a) by adding 35% ~ 38% formalin 60 ~ 63 parts, 28 ~ 31 parts, running water, diethylene glycol (DEG) 4 ~ 6 parts in a kettle., the sodium hydroxide solution with 38 ~ 43% adjusts ph value to 9.0;
Add melamine 47 ~ 55 parts after 4.1b) being heated to 45 DEG C, be warmed up to 90 DEG C from 45 DEG C, 45 minutes used times;
4.1c) reaction solution adds 2 ~ 2.8 parts of caprolactams after becoming clarification, 90 DEG C of insulations 120 minutes, and sampling and testing cloud point terminal;
4.1d) start to cool to 80 DEG C, 1.5 ~ 2.5 parts of aluminium oxide and 0.15 ~ 0.23 part of y-aminopropyl triethoxysilane are reacted, cooling to 40 DEG C of times from 90 is 90 minutes.
4. the production method of a kind of dual wear-resisting laminated flooring according to claim 1, it is characterized in that: described step 4) in the pH of melamine resin 8.0 ~ 9.0, viscosity 13 ~ 15 seconds/25 DEG C be coated with-4 glasss, solid content 49 ~ 52%, density 1.20 ~ 1.22g/cm3, water number 1.8 ~ 2.5, the impregnation auxiliary agent accounting of described melamine resin comprise melamine cured dose 1% ~ 1.2%, infiltration-releasing agent 0.04% ~ 0.05%, dedusting agent 0.1% ~ 0.3%, defoamer 0.04% ~ 0.05%.
5. the production method of a kind of dual wear-resisting laminated flooring according to claim 1, is characterized in that: the adaptation step of described Lauxite comprises,
1.1a) by 270 ~ 320 parts of formaldehyde, 90 ~ 110 parts of urea and 5 ~ 7 parts of hexa mix and blends;
1.1b) be warming up to 90 DEG C after 30 minutes, be incubated 30 minutes;
1.1c) regulate Ph to be 4.3 ~ 4.6 with formic acid, react after 50 minutes and continue to survey atomization point, add sodium hydroxide solution immediately after having atomization point when 10 DEG C and adjust ph value to 7;
1.1d) add 65 ~ 75 parts, second batch urea, natural thermal insulation after 20 minutes, then drops into 17 ~ 23 parts, the 3rd batch of urea, natural thermal insulation 10 minutes;
1.1e) open cooling water temperature to 50 DEG C, reaction terminates, and blowing is preserved.
6. the production method of a kind of dual wear-resisting laminated flooring according to claim 1, it is characterized in that: described step 1) in the pH of Lauxite 7.0 ~ 7.5, viscosity 12 ~ 14 seconds/25 DEG C be coated with-4 glasss, solid content 50 ~ 53%, density 1.20 ~ 1.22g/cm3, water number 4.5 ~ 6.5, the impregnation auxiliary agent accounting of described Lauxite comprises urea adhesive curing agent 0.1% ~ 0.3%, bleeding agent 0.1% ~ 0.2%, dedusting agent 0.1% ~ 0.3%, defoamer 0.04% ~ 0.05%.
7. the production method of a kind of dual wear-resisting laminated flooring according to claim 1 or 6, is characterized in that: described step 1) in the interpolation step of Lauxite for carry out in batches, step comprises,
1.2a) in the initial stage of that the urea formadehyde mol ratio that feeds intake ensures that F/U is 2.1 ~ 2.3;
1.2b) second batch feeds intake and ensures that F/U is 1.3 ~ 1.6;
1.2c) the 3rd batch feeds intake and ensures that F/U is 1.0 ~ 1.3.
8. the production method of a kind of dual wear-resisting laminated flooring according to claim 1, it is characterized in that: described step 3) in by four joint baking ovens precuring, wherein the temperature of four joint baking ovens is respectively 135 DEG C, 160 DEG C, 145 DEG C, 125 DEG C, described step 5) in by five joint baking ovens precuring, wherein five joint baking ovens temperature be respectively 140 DEG C, 160 DEG C, 170 DEG C, 165 DEG C, 155 DEG C.
9. the production equipment of a dual wear-resisting laminated flooring, comprise streamline (4), it is characterized in that: described streamline (4) top is provided with air-flow paving and is coated with structure (5), described air-flow paving is coated with hopper (51) and the hair-dryer (52) that structure (5) includes lower ending opening, and described hair-dryer (52) is positioned at the opening part of hopper (51).
10. a dual wear-resisting laminated flooring, comprise the facing paper (2) on plank (1) and plank (1), it is characterized in that: between described plank (1) and facing paper (2), be provided with melamine-formaldehyde resin bonded laminate (6), described facing paper (2) is provided with wear-resisting facing composite membrane (3), described wear-resisting facing composite membrane (3) includes aluminium oxide wearing layer (7) and melamine resin top layer (8) successively.
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Effective date of registration: 20220520 Address after: 528137 planning of science and Technology Industrial Zone, Leping Town, Sanshui District, Foshan, Guangdong, 52, B (F1), (F2), (F3), (F5), (F7) Patentee after: GUANGDONG TIANYUAN HUIBANG NEW MATERIAL CO.,LTD. Patentee after: FOSHAN TIANYUAN HEJIN DECORATION MATERIAL CO.,LTD. Patentee after: T&C DECORATIVE MATERIAL Co.,Ltd. Address before: 528137 planning of science and Technology Industrial Zone, Leping Town, Sanshui District, Foshan, Guangdong, 52, B (F1), (F2), (F3), (F5), (F7) Patentee before: GUANGDONG TIANYUAN HUIBANG NEW MATERIAL CO.,LTD. Patentee before: FOSHAN TIANYUAN HEJIN DECORATION MATERIAL CO.,LTD. Patentee before: FOSHAN NANHAI TIANYUAN MAOXIN NEW MATERIAL CO.,LTD. Patentee before: T&C DECORATIVE MATERIAL Co.,Ltd. |