CN101648399B - Laminate flooring and preparation method thereof - Google Patents
Laminate flooring and preparation method thereof Download PDFInfo
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- CN101648399B CN101648399B CN2009101628799A CN200910162879A CN101648399B CN 101648399 B CN101648399 B CN 101648399B CN 2009101628799 A CN2009101628799 A CN 2009101628799A CN 200910162879 A CN200910162879 A CN 200910162879A CN 101648399 B CN101648399 B CN 101648399B
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Abstract
The present invention relates to a laminate flooring and a preparation method thereof. The preparation method for the laminate flooring comprises the following steps: two-step hot pressing is sequentially carried out on density boards and abrasion papers to obtain flooring plates, and then cutting and splicing the flooring plates. The laminate flooring has high combination strength at the chamfer part, the inside combination strength of the flooring is enhanced by above 20 percent, the service life of the flooring is long and can be prolonged by 3 to 5 years, and the product qualification ratio of the laminate flooring is high.
Description
Technical field
The present invention relates to a kind of building house ornamentation or ornament materials and preparation method thereof, particularly a kind of floor of forming by some similar components and preparation method thereof.
Background technology
The floor has become an important materials of mating formation in ground, mainly is divided into solid wood, reinforcement, solid wood is compound and class such as bamboo-wood floor, the connected mode between the floor strip for inlay, joggle etc.
The development on floor at first is a solid wooden floor board, initial solid wooden floor board upper surface is the plane, and four limits on floor are the right angle, and this kind solid wooden floor board thickness deviation to the floor when mating formation requires very strict, owing to be the cause at right angle around the floor, the corner is fragile in use simultaneously.To the continuous research and the improvement of solid wooden floor board, finally form the floor periphery for the solid wooden floor board of chamfering is arranged.
Consolidated floor at first arises at the historic moment in developed country, and imports China into the eighties in 20th century.Consolidated floor has wearability height, relative low price, characteristics that cost performance is high.Consolidated floor is to be combined by balance paper, middle density or high density plate material, woodgrained paper, abrasion-proof paper, all has adhesive linkage on each layer paper, makes floor board through the hot press HTHP, through opening bar, processing tenon, groove in length and breadth, is spliced at last again.Initial consolidated floor four limits also are rectangular in shape, and have the not wear-resisting problem of limit portion equally.In order to solve the above-mentioned not wear-resisting problem of consolidated floor, the chamfering around the main in appearance timber floor of consolidated floor.
The chamfering production of consolidated floor in recent years, all be to adopt simple once molding formed method to make, for example publication number is that the application for a patent for invention of CN1970968A discloses a kind of synchronous-stamping reinforced composite wooden floor, constitute by wearing layer, decorative layer, base material, balance layer, the three-dimensional burr that coincide with the decorative layer pattern is arranged on the described wearing layer.Production method is that wearing layer, decorative layer, base material, balance layer are combined into compound material base; Hot pressing condition is 205～235 ℃ of temperature, pressure 8～10 * 106Pa, 40～50 seconds press times; The pressing mold that forms the three-dimensional burr that coincide with the decorative layer pattern is arranged on the hot pressing die;
And for example, publication number is that the application for a patent for invention of CN101200973A discloses a kind of abrasion-proof solid-wood reinforced floor and production technology thereof, and this floor is, at substrate layer lower surface bonds balance layer, the bonding solid wood skin of the upper surface of substrate layer is bonded with wear-resisting ply of paper on the solid wood skin.Its production technology is, and is earlier that solid wood skin and substrate layer compacting is compound, compound with balance layer and wear-resisting ply of paper hot pressing then; Make the big plate of the alternate v-depression of spacing distance width; With hacking the saw board device is sawn into the required size size along the v-depression center line small pieces; Stack health 4 days～8 days; Small pieces four sides are processed into the tenon and the groove of vertical and horizontal, obtain finished product.
And for example, notification number is the mold pressing steel plate of hot press that the patent of invention of CN100445502C discloses a kind of laminated flooring and made the sheet material of this timber floor.The patrix steel plate of this hot press has the crisscross punch that is arranged on working face one side, and vertically punch is consistent with the length direction of patrix steel plate and parallel each other; Laterally punch is consistent with the width of patrix steel plate and parallel each other; The basic configuration of punch is " ∧ " shape of " ∧ " shape or band fillet.The consolidated floor of this invention is provided with balance paper, high density fiberboard, woodgrained paper and abrasion-proof paper at first successively on hot press, form in the last hot pressing of the hot press of the patrix steel plate of " V " shape punch that has fillet then.
For another example, notification number is that the patent of invention of CN100365234C discloses a kind of strengthened composite wood floor imitating to real wood, there is tenon, the groove of assembly unit the plate body side, and four edges of described plate body transparent wear and graining layer are provided with the mutual assembly unit of adjacent plate body and form little chamfering shallow slot impression.The roll extrusion of this strengthened composite wood floor imitating to real wood and mold pressing preparation method, earlier with the slab preheating, form horizontal little chamfering shallow slot impression in transparent wear and the roll extrusion of graining layer or mold pressing again, at last slab is sent into floor groove cutting machine, carry out mortise, fluting processing of cutting, leave tenon, groove on four limits, when roll extrusion prepares, can before preheating, impression, slab be sent into floor groove cutting machine mortise, fluting.
Above-mentioned consolidated floor sheet material chamfering one-step moulding method only is simply the blank that paves to be imposed HTHP to form, and blank is made up of the material of unlike material, different densities, different performance, especially its main material be in/high density fiberboard and soaked balance paper, woodgrained paper and the abrasion-proof paper of glue, can under unexpected HTHP, form curved surface or chamfer during pressing.Because in/high density fiberboard and soaked between the balance paper, woodgrained paper, abrasion-proof paper of glue and can not extend synchronously preferably, easily form the stress dead angle, the impregnation paper can not get in time unfolding, be easy to generate the bonding not firm or local not bonding phenomenon of density board and gum dipped paper and cause the low problem of corner intensity, therefore, not only can't effectively prolong the floor and make the same life-span, but also cause consolidated floor product quality qualification rate to reduce by the mode that the floor periphery is imposed chamfering.Phenomenons such as in addition, during hot pressing, because the impregnation paper can not get timely diastole, it is not slick and sly also can to produce chamfering, and difference of height is obvious between the floorboard.
For another example, Granted publication number discloses a kind of processing method of laminated flooring for the application for a patent for invention of CN100344424C, the thin layer surface lining is attached to the wooden substrate surface of bulk with hot pressing veneer method, the bulk thick china is sawn into the small piece plate of a plurality of commodity samples with the saw board device, it is characterized in that hot pressing veneer on the bulk wooden substrate, finally can form groove with compacting, implement compacting at twice with two last steel form A, B and form with stereoscopic visual effect; At first with minute surface or last steel form A hot pressing veneer on the bulk wooden substrate of tiny convex-concave is arranged, then with the last steel form B that punch is arranged on the bulk thick china, suppress and finally can form groove with stereoscopic visual effect.Though this patent of invention has adopted 2 hot pressing to make consolidated floor, but its essence is still identical with hot press forming technology of present consolidated floor, has the defective of a hot press forming technology existence equally: defectives such as concavo-convex place bond strength is low, spend in vain on easy of surface.
Summary of the invention
The objective of the invention is provides a kind of consolidated floor and preparation method thereof at the technical problem that exists in the above-mentioned consolidated floor production.The consolidated floor that the inventive method is produced has chamfering place bond strength height, and the floor is long service life, and the floor can prolong 3-5 service life, the product percent of pass height of consolidated floor.
For realizing purpose of the present invention, one aspect of the present invention provides a kind of preparation method of consolidated floor, comprises density board is carried out the hot pressing first time; On the density board after the hot pressing first time of then woodgrained paper or wooden skin, abrasion-proof paper being mated formation, carry out the hot pressing second time; Leave floor strip then and around floor strip, leave tongue-and-groove.
Wherein, when density board is carried out first time hot pressing, make the groove that forms on the density board corresponding to floor strip appearance and size and profile, wherein, described groove cross section is " V " shape groove of R arc down or band circular arc, promptly is
The shape groove.
Wherein, described down R arc is the floor upper surface becomes circular arc downslide certain size along edges of boards.
Particularly, the radian of the arc of " V " connected in star of R arc or band circular arc is 8-35 ° under described being, and radius is 3-10mm, and promptly descending " V " shape groove upper surface of R arc or band circular arc is 8-35 ° along the radian that the edges of boards circular arc glides, arc radius is 3-10mm, is preferably 5-10mm.
Wherein, along the continuous centerline of the groove of described R arc shape down, leave described floor strip.
Particularly, the arc that the peripheral band of the floor strip of leaving is downward will be left the horizontal tongue-and-groove longitudinally that reaches of requirement around the floor strip of leaving, and splicing obtains the finished product floor.
Wherein, also be included in and density board is carried out it being carried out softening before the hot pressing handle.
Particularly, described softening handle be with softening agents spraying or roller coat on density board.
Wherein, the use amount of described softening agents is the softening agents that every cubic metre of density board applies 15-25kg.
Wherein, described softening agents contains two hard ester acid amide epoxychloropropane salt chlorides, bleeding agent, emulsifying agent and water, and the weight portion proportioning of wherein said two hard ester acid amide epoxychloropropane salt chlorides, bleeding agent, emulsifying agent and water is 10-15: 2-5: 2-5: 100.
Particularly, described bleeding agent is selected penetrating agent JFC, penetrant t or penetrant m, is preferably penetrating agent JFC; Described emulsifying agent is selected paregal O, turkey red oil or emulsifying agent octyl phenol APEO, is preferably paregal O.
Especially, to select molecular formula be C for described penetrating agent JFC
7-9H
15-19O (CH
2CH
2O)
5H, its hydrophilic hydrophobic balance value (being the HLB value) is 11.5-12.5, the AEO of penetration≤30s; Described penetrant t is an aerosol-OT salt.
Especially, to select molecular formula be C for described paregal O
18H
37(CH
2CH
2O)
15-20OH, its hydrophilic hydrophobic balance value (being the HLB value) is the fatty alcohol of 14-16 and ethylene oxide condensate.
Particularly, described softening agents is made according to following steps: at first two hard ester acid amide epoxychloropropane salt chlorides are mixed with first water, stir the back heat temperature raising to 30-50 ℃, then adding bleeding agent stirs, heat temperature raising is to 60-70 ℃, add emulsifying agent and remaining water then, stirring gets final product.
Particularly, described bleeding agent is selected penetrating agent JFC; Described emulsifying agent is selected paregal O.
Particularly, the density of described density board is 800-950kg/m
3
Wherein, the pressure of the described hot pressing first time is 20-24kg/cm
2, hot pressing temperature is 180-210 ℃, hot pressing time is 6-10 second; The pressure of the described hot pressing second time is 20-24kg/cm
2, hot pressing temperature is 180-210 ℃, hot pressing time is 30-50 second.
Particularly, described woodgrained paper or wooden skin, abrasion-proof paper form for drying behind the impregnated melamine resin respectively, and wherein the dipping rate of body weight gain of woodgrained paper or wooden skin is 90-100%; The impregnation resin content of abrasion-proof paper is 90-100% for the dipping rate of body weight gain.
Wherein, the moisture content of woodgrained paper behind the described impregnation drying or wooden skin, abrasion-proof paper is 8-12%.
Wherein, also comprise and again density board is carried out the described hot pressing first time after being laid on density board on the balance paper.
Particularly, after described balance paper flooded through melmac, drying formed, and wherein, the dipping rate of body weight gain of balance paper is 90-100%, and moisture content is 8-12%.
Wherein, the length of described floor strip is 800-1800mm, and width is 70-183mm, and thickness is 6-15mm.
Another aspect of the present invention provides a kind of consolidated floor that is prepared from according to the method described above.
Wherein, have R arc shape down around the floor of described consolidated floor, the groove cross section after the floor is spliced well becomes
Shape.
Particularly, described R arc shape down or band circular arc are 8-35 °, and the radius of circular arc is 3-10mm.
The preparation process of consolidated floor of the present invention: at first make the abundant softening of the density board that has sprayed softening agents, then balance paper behind the impregnation and the density board after the softening are laid on the mold pressing steel plate of hot press successively, the last steel of smithing quality plate that will have following R circular arc chamfering design places on the upper surface of softening density board, carry out the hot pressing first time, make the groove that forms R circular arc under a plurality of having of linking on the density board all around; On the density board after the hot pressing first time, lay impreg line paper or wooden skin and impregnation abrasion-proof paper then, the last steel of smithing quality plate that will have following R circular arc chamfering design places on the upper surface of impregnation abrasion-proof paper, carry out the hot pressing second time, make groove floor slab all around with R circular arc under a plurality of having of linking, the continuous centerline of groove of R arc shape down is with on slab edge in floor one by one, leave under the peripheral band floor strip on arc limit under the R arc shape, to leave the horizontal tongue-and-groove longitudinally that reaches of requirement around the floor strip of leaving, splicing obtains the finished product floor.
Density or high density fiberboard in the general employing of consolidated floor base material, in the pressing process of HTHP, when the pressure surface plate of hot press is surface plate, floor base material engages well with woodgrained paper, abrasion-proof paper, but when mold pressing has folding face or cambered surface floor, between density board and paper then owing to can not extend synchronously, a little less than the chamfering place easily produces fold, difference of height, bond strength.For addressing the above problem, the present invention takes to spray earlier softening agents on density board before the compacting consolidated floor, make the abundant softening of density board, adopting softening agents that density board is carried out softening handles, can improve the flexibility of density board, when the compacting curved surface, unfolding synchronously of density board and paper can be improved, the interior bond strength of consolidated floor chamfering compacting can be improved.
The present invention takes secondary hot pressing method compacting floor board, hot pressing for the first time is to suppress through using by the moulded board of circular arc R chamfer design on the density board of softening, make the groove that has following R shape all around of the certain size face that links that forms a plurality of unanimities on the density board, woodgrained paper, abrasion-proof paper are mated formation on the density board that presses, carry out the hot pressing second time again with same moulded board; Have the groove of R shape circular arc down on the pressed sheet equally, the edge of each monolithic blank links to each other.The bond strength height of Ya Zhi consolidated floor groove like this, facial tissue is cracky not, thereby reaches further prolongation floor service life, the effect of Wood-emulating floor chamfering true to nature, uniformity mellow and full chamfering attractive in appearance has further improved the cost performance of consolidated floor.
The consolidated floor of the inventive method preparation solves bonding strength, the difference of height problem at consolidated floor chamfering place fully, can improve floor 3-5 in service life.
The advantage that the consolidated floor of the present invention's preparation has is as follows:
1, consolidated floor of the present invention sprayed softening agents on density board before compacting, make the abundant softening of density board, improve the flexibility of density board, under compacting, can improve unfolding synchronously of density board and gum dipped paper during R arc angling curved surface, improved the interior bond strength of consolidated floor and floor board chamfering compacting, adopt good, the MOR of physical and mechanical property of the consolidated floor of the inventive method preparation, bond strength height in the product; Owing to adopted the base material softening is handled, solved density board under HTHP in the phenomenon that descends of bond strength, detect the interior bond strength raising 20% of consolidated floor by GB GB/T18102-2007 " impregnated-paper laminated wood floor " standard.
2, consolidated floor of the present invention adopts the secondary hot pressing method to be prepared from, and the hot pressing first time is to suppress with the moulded board with following R arc angling design on the process density board of softening, makes the groove that forms R arc under a plurality of having of linking on the density board all around; Hot pressing for the second time is that impregnation woodgrained paper, abrasion-proof paper are mated formation on the density board after the hot pressing first time, carry out the compacting second time with moulded board with following R arc angling design, adopt the secondary hot pressing method to solve paper and density board again and unfold problem synchronously what chamfering went out., facial tissue is cracky not, carry out appearance test according to GB/T18102-2007 " impregnated-paper laminated wood floor ", qualification rate has improved more than 15%.
3, the effect of the consolidated floor chamfering Wood-emulating floor chamfering of the inventive method preparation is true to nature, uniformity, attractive in appearance mellow and full, visually similar ancient imitation floor board requires low to the levelness of mating formation in the floor simultaneously, reduce the man-hour of floor covering layers constructions, further improved the cost performance of consolidated floor.
4, more than the wear-resisting revolution mean height 1200 of the more conventional plate of wear-resisting revolution at the chamfering place, floor of this method production changes.The wear-resisting revolution of conventional family expenses consolidated floor is 4000 commentaries on classics, and with 5200 commentaries on classics that reach of this method production, wear-resisting revolution has improved 30%.General floor all is to grind away and need change in the surface when using, so the high long service life of wear-resisting revolution.Because wear-resisting revolution exceeds routine 30%, so cause few prolongation service life more than 3 years.
5, the inventive method is carried out the softening processing to density board, has reduced the wear extent of moulded board, has prolonged the service life of moulded board, has improved the precision of chamfering.The mould usage charges have been reduced.
Description of drawings
Fig. 1 is embodiment 1 a consolidated floor sectional schematic diagram;
Fig. 2 is the arc angling enlarged drawing of A among Fig. 1;
Fig. 3 is the floor board schematic diagram of not opening bar that suppresses;
Fig. 4 is the enlarged diagram of arc groove among Fig. 3;
Fig. 5 is the schematic top plan view of monoblock floor board after the hot pressing;
Fig. 6 is a hot press upper steel plate elevational schematic view;
Fig. 7 is a hot press upper steel plate A-A cutaway view;
Fig. 8 is a hot press upper steel plate B-B cutaway view;
Fig. 9 is a floor joggle cross-sectional schematic.
Description of reference numerals
1. main body; 2. tenon; 3. groove; 4. circular arc chamfering; 5. floor board; 6 density board; 7a. consolidated floor upper surface; 7b. consolidated floor lower surface; 8. woodgrained paper; 9 balance papers; 10 abrasion-proof papers; " 11. V " shape arc groove; 12. punch; 12-1. vertical punch; 12-2. horizontal punch; 13. hot press steel plate; 14. floor single-piece molded; α. the radian of groove; R. the radius of groove.
Concrete processing method:
The balance paper that the embodiment of the invention adopts uses raw material paper available from Lip river sill company; Woodgrained paper uses raw material paper available from summer special ornament materials (Shanghai) Co., Ltd.; Abrasion-proof paper with balance paper available from the Lip river sill already; Water-soluble melamine resin is available from the wooden industry of last sea cowry brightness Co., Ltd; Two hard ester acid amide epoxychloropropane salt chlorides are available from Jiafeng Wood(Suzhou) Co., Ltd.; Penetrating agent JFC is available from Guangdong rich connection chemical industry Co., Ltd; Paregal O is available from Guangdong rich connection chemical industry Co., Ltd.
1, preparation gum dipped paper
1) at first balance paper is immersed in the water-soluble melamine resin with raw material paper, carry out drying after the taking-up, make impregnation balance paper 9, wherein, the solids content of melamine resin is 50 ± 2%, and the dipping rate of body weight gain is 90%, and the moisture content of impregnation balance paper is 8%;
2) at first woodgrained paper is immersed in the water-soluble melamine-formaldehyde resin adhesive stick with raw material paper, carry out drying after the taking-up, make impregnation woodgrained paper 8, wherein, the solids content of water-soluble melamine-formaldehyde resin adhesive stick is 50 ± 2%, the dipping rate of body weight gain is 90%, and the moisture content of impregnation balance paper is 8%;
3) at first abrasion-proof paper is immersed in the water-soluble melamine resin adhesive with raw material paper, carry out drying after the taking-up, make impregnation abrasion-proof paper 10, wherein, the solids content of water-soluble melamine resin adhesive is 50 ± 2%, and the dipping rate of body weight gain is 90%, and the moisture content of impregnation balance paper is 8%;
2, preparation softening agents
1) prepares raw material according to following weight proportion
Two hard ester acid amide epoxychloropropane salt chlorides (SMQ-05) 10kg
Penetrating agent JFC 2kg
Paregal O 2kg
Water 100kg
Wherein, the hydrophilic hydrophobic balance value of penetrating agent JFC is 12, and the hydrophilic hydrophobic balance value of paregal O is 15.
2) at first, SMQ-05 is joined agitator, for the first time heat temperature raising to 40 ℃; Then under temperature is 40 ℃ condition, add penetrating agent JFC, stir; Then for the second time behind the heat temperature raising to 60 ℃, be to add paregal O and remaining water under 60 ℃ the condition in temperature, stir that make the density board softening agents, wherein, the weight of first water accounts for 20% of water inventory.
3, preparation softening density board
In density is 950kg/m
3The upper and lower surface spraying softening agents of medium density fibre board (MDF) was placed 30 minutes, made the medium density fibre board (MDF) softening, made softening density board 6, and wherein, the consumption of softening agents is 20g/m
2
4, compacting consolidated floor sheet material
1) impregnation balance paper 9 is tiled on the lower steel plate of hot press, then softening density board 6 is positioned on the impregnation balance paper, then hot press upper steel plate 13 (go up the Haicheng and win template Co., Ltd) is placed and carries out the hot pressing first time on the softening density board, preparation precompressed slab, wherein, hot pressing pressure is 20kg/cm
2, temperature is 210 ℃, 10 seconds time;
Hot press upper steel plate 13 is shown in Fig. 6,7,8.As Fig. 6, the crisscross cross section that has radian that working face one side of hot press upper steel plate 13 comprises a plurality of that link, identical floor single-piece molded 14 of size and is centered around each floor single-piece molded 14 periphery is band " V " shape punch 12 of R circular arc or band circular arc down.Vertically punch 12-1 is parallel to each other, and laterally punch 12-2 is parallel to each other, and vertically punch 12-1 is with laterally punch 12-2 is vertical mutually.The radian of the circular arc of " V " shape punch 12 of R circular arc or band circular arc is 22 ° under the band, and radius is 6.2mm; The equal and opposite in direction on the length of floor single-piece molded 14, width and monolithic floor.
2) open pressing plate, pressure relief at the upper surface of precompressed slab tile successively impregnation woodgrained paper 13, impregnation abrasion-proof paper 14, then places hot press upper steel plate 13 and carries out hot pressing second time on the impregnation abrasion-proof paper, prepares floor board 5, wherein, and hot pressing pressure 20kg/cm
2210 ℃ of temperature, 50 seconds time, the upper surface 7a of floor board 5 is then extruded corresponding crisscross cross section by the punch 12 of the upper steel plate 13 of hot press and is band " V " connected in star 11 of R circular arc or band circular arc down, the radian of arc groove 11 is 22 °, and radius is 6.2mm; The sotck thinkness that presses is 1.5cm.
5, preparation consolidated floor
With the hot pressing floor board stacking that suppresses, compacting was displayed 3-6 days, hot pressing floor board after then will displaying cuts with multiple blade saw along the single center line that is " V " connected in star 11 of following R circular arc of band or band circular arc, make floor strip 51, be band R circular arc chamfering down around the floor strip 51, adopt tongue-and-groove moulder (German bold and generous composite floor board is washed molded lines) then along the longitudinal with floor strip 51, laterally dig the tenon that is used for the splicing between the floor, the groove structure, be spliced into the consolidated floor finished product at last, the length 120cm of floor strip 51 wherein, width is 18cm, thickness is 1.5cm, groove cross section, spliced floor is " V " shape of being with circular arc, promptly is
Connected in star, the radian of groove circular arc are 22 °, and radius is 6.2mm.
Detection according to the method detection enhancement floor of standard GB/T18580-2001 " burst size of methanal in indoor decorating material wood-based plate and the goods thereof ";
Density, thickness swelling rate, internal bond strength, dimensional stability, color fastness to light according to standard GB/T18102-2007 " impregnated-paper laminated wood floor " detection method detection enhancement floor; Measure the wear-resisting revolution of two floor splicings place of consolidated floor, testing result is as shown in table 1.
In the preparation gum dipped paper process, except balance paper dipping rate of body weight gain is 100%, moisture content is 12%; Woodgrained paper dipping rate of body weight gain is 100%, and moisture content is 12%; Abrasion-proof paper dipping rate of body weight gain is 100%, and moisture content is outside 12%, and all the other are identical with embodiment 1;
In the preparation softening agents process, except the weight of SMQ-05, penetrating agent JFC, paregal O and water is respectively 12.5kg, 5kg, 5kg, 100kg, the weight of first water accounts for 25% of water gross weight, the temperature of heat temperature raising is 35 ℃ for the first time, the temperature of heat temperature raising is outside 70 ℃ for the second time, and all the other are identical with embodiment 1;
In the process of preparation softening density board, the density of medium density fibre board (MDF) is 900kg/m
3The consumption of softening agents is 15g/m
2Outside, all the other are identical with embodiment 1;
In the process of compacting consolidated floor sheet material, the cross section that hot press upper steel plate 13 has radian is " V " shape punch 12 of being with following R circular arc or band circular arc, and the radian of the circular arc of punch 12 is 8 °, and radius is 10mm; Hot pressing pressure is 24kg/cm for the first time
2, temperature is 180 ℃, 6 seconds time, hot pressing pressure 24kg/cm for the second time
2, 180 ℃ of temperature, 30 seconds time; The radian that is " V " connected in star 11 of following R circular arc of band or band circular arc on the floor slab of making after the hot pressing is 8 °, and radius is outside the 10mm, and all the other are identical with embodiment 1;
In the process of preparation consolidated floor, except the length 80cm of floor strip 51, width is 8cm, and thickness is 0.6cm, and groove cross section, spliced floor is " V " shape of being with circular arc, promptly is
Connected in star, the radian of groove circular arc are 8 °, and radius is outside the 10mm, and all the other are identical with embodiment 1.
Detection according to the method detection enhancement floor of standard GB/T18580-2001 " burst size of methanal in indoor decorating material wood-based plate and the goods thereof ";
Density, thickness swelling rate, internal bond strength, dimensional stability, color fastness to light according to standard GB/T18102-2007 " impregnated-paper laminated wood floor " detection method detection enhancement floor; Measure the wear-resisting revolution of two floor splicings place of consolidated floor, testing result is as shown in table 1.
In the preparation gum dipped paper process, except balance paper dipping rate of body weight gain is 95%, moisture content is 10%; Woodgrained paper dipping rate of body weight gain is 95%, and moisture content is 10%; Abrasion-proof paper dipping rate of body weight gain is 90%, and moisture content is outside 10%, and all the other are identical with embodiment 1;
In the preparation softening agents process, except the weight of SMQ-05, penetrating agent JFC, paregal O and water is respectively 15kg, 3.5kg, 3.5kg, 100kg, the weight of first water accounts for 30% of water gross weight, the temperature of heat temperature raising is 50 ℃ for the first time, the temperature of heat temperature raising is outside 70 ℃ for the second time, and all the other are identical with embodiment 1;
In the process of preparation softening density board, the density of medium density fibre board (MDF) is 850kg/m
3The consumption of softening agents is 25g/m
2Outside, all the other are identical with embodiment 1;
In the process of compacting consolidated floor sheet material, the cross section that hot press upper steel plate 13 has a radian be band down the radian of R circular arc punch 12 be 35 °, radius is 3mm; Hot pressing pressure is 22kg/cm for the first time
2, temperature is 195 ℃, 8 seconds time, hot pressing pressure 22kg/cm for the second time
2, 195 ℃ of temperature, 40 seconds time; The radian that is " V " connected in star 11 of following R circular arc of band or band circular arc on the floor slab of making after the hot pressing is 35 °, and radius is outside the 5mm, and all the other are identical with embodiment 1;
In the process of preparation consolidated floor, except the length 180cm of floor strip 51, width is 10cm, and thickness is 1.0cm, and groove cross section, spliced floor is " V " shape of being with circular arc, promptly is
Connected in star, the radian of groove circular arc are 35 °, and radius is outside the 5mm, and all the other are identical with embodiment 1.
Free formaldehyde content according to the method detection enhancement floor of standard GB/T18580-2001 " burst size of methanal in indoor decorating material wood-based plate and the goods thereof ";
According to order density, thickness swelling rate, internal bond strength, dimensional stability, color fastness to light and the wear-resisting revolution of two floor splicings place according to standard GB/T18102-2007 " impregnated-paper laminated wood floor " method detection enhancement floor, testing result is as shown in table 1.
The performance indications of table 1 consolidated floor
| | Embodiment | 1 | |
|
| Density (g/cm 3) | 0.92 | 0.90 | 0.95 | |
| Thickness swelling rate (%) | 12.0 | 11.8 | 12.2 | |
| MOR (MPa) | 45.8 | 48.5 | 44.2 | |
| Internal bond strength (MPa) | 1.8 | 2.0 | 1.8 | |
| Moisture content (%) | 6.7 | 6.5 | 7.0 | |
| Surface bonding strength (MPa) | 1.52 | 1.47 | 1.50 | |
| The cold-resistant thermal cycle in surface | No change | No change | No change | |
| The surface is mar-proof | Do not scratch | Do not scratch | Do not scratch | |
| Surface abrasion resistance (commentaries on classics) | 7000 | 6800 | 7100 | |
| The anti-cigarette calcination in surface | No change | No change | No change | |
| The surface dry heat resistance | No change | No change | No change | |
| Surface anti-pollution corrosion | No change | No change | No change | |
| The anti-be full of cracks in surface | No change | No change | No change | |
| Dimensional stability (mm) | 0.42 | 0.38 | 0.36 | |
| Shock resistance (mm) | 5.5 | 6.0 | 5.8 | |
| Burst size of methanal (mg/L) | 0.90 | 0.85 | 0.72 | |
| Color fastness to light (level) | 4 | 4 | 4 | |
| The wear-resisting revolution of two floor splicings place | 5200 | 5300 | 5230 |
Testing result shows:
1, the mechanical property of the consolidated floor of the present invention's preparation is good, surface abrasion resistance intensity height, and the dimensional stability height has reached request of national standard;
2, the Wood-emulating floor effect is more true to nature in appearance for the more traditional consolidated floor of consolidated floor of the present invention's production, the wear-resisting revolution height of two floor splicings place, reach more than 5200 commentaries on classics, make to prolong 3-5 the service life of consolidated floor, visually because of similar at present popular ancient imitation floor board fashion more.The levelness of being mated formation in the floor requires also can appropriateness to reduce simultaneously, has reduced construction man-hour and requirement.
Claims (7)
1. the preparation method of a consolidated floor is characterized in that the step of carrying out in the following order: the upper and lower surface that softening agents is sprayed at density board is carried out softening to density board and is handled; The balance paper of impregnation is placed on below the density board after softening is handled, carries out the hot pressing first time, make the precompressed slab; At tile the successively abrasion-proof paper of impregnation woodgrained paper or wooden skin, impregnation of the upper surface of precompressed slab, carry out the hot pressing second time, make floor board; On floor board, leave floor strip again and around floor strip, leave tongue-and-groove, wherein
Softening agents contains two hard ester acid amide epoxychloropropane salt chlorides, bleeding agent, emulsifying agent and water, and the weight portion proportioning of two hard ester acid amide epoxychloropropane salt chlorides, bleeding agent, emulsifying agent and water is 10-15: 2-5: 2-5: 100.
2. preparation method according to claim 1 when it is characterized in that density board carried out first time hot pressing, makes the groove that forms on the density board corresponding to floor strip appearance and size and profile, and wherein, the cross section of described groove is " V " shape of being with circular arc, promptly is
The shape groove.
3. preparation method as claimed in claim 2 is characterized in that the circular arc radian that described cross section is the groove of " V " shape of being with circular arc is 8-35 °, and radius is 3-10mm.
4. preparation method as claimed in claim 2 is characterized in that the centerline along described groove, leaves described floor strip.
5. preparation method as claimed in claim 1, the use amount that it is characterized in that described softening agents are the softening agents of every square metre of density board spraying 15-25g.
6. preparation method as claimed in claim 1 or 2 is characterized in that described woodgrained paper or wooden skin, abrasion-proof paper form for drying behind the impregnated melamine resin respectively, and wherein the dipping rate of body weight gain of woodgrained paper or wooden skin is 90-100%; The dipping rate of body weight gain of abrasion-proof paper is 90-100%.
7. consolidated floor is characterized in that being prepared from according to method as described in arbitrary as claim 1-6.
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101881074A (en) * | 2010-07-01 | 2010-11-10 | 刘彬彬 | Process for producing novel environment-friendly solid wood consolidated compound floor |
| CN101879742B (en) * | 2010-07-23 | 2012-05-23 | 王军 | Process method of reducing release amount of formaldehyde in produced laminated flooring |
| CN102465588A (en) * | 2010-11-17 | 2012-05-23 | 袁冶 | Synchronous grain matching floor |
| EP2481553B1 (en) * | 2011-02-01 | 2016-11-09 | Ivc Nv | Method for manufacturing a chamfered edge and plate shaped object provided with such a chamfered edge |
| CN103659996A (en) * | 2012-08-31 | 2014-03-26 | 江苏肯帝亚木业有限公司 | Manufacturing technique for laminate floor |
| CN103422653A (en) * | 2013-08-21 | 2013-12-04 | 山西蒲津塑钢板业制造有限公司 | Floor board coated with floor film |
| CN103991119A (en) * | 2014-06-05 | 2014-08-20 | 王永刚 | Multi-layer wood floor manufacturing technique |
| CN104760105B (en) * | 2015-03-26 | 2018-03-06 | 方勤良 | A kind of production method of two layers of timber floor of stable type |
| CN104912297B (en) * | 2015-06-30 | 2018-01-16 | 浙江晶通塑胶有限公司 | Chamfering latch floor production method |
| CN107379171A (en) * | 2017-07-18 | 2017-11-24 | 安徽至信竹业科技有限公司 | A kind of preparation method of oxidized starch calcium carbonate dual cladding modified wood chips |
| CN110295720A (en) * | 2018-03-23 | 2019-10-01 | 长沙菱格木业有限公司 | Solid wooden compound floor processing method, solid wooden compound floor and mold |
| CN113386435A (en) * | 2021-07-12 | 2021-09-14 | 福建思嘉新材料科技有限公司 | PVC stone plastic floor with round corners and round corner processing equipment thereof |
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| CN1818278A (en) * | 2006-03-09 | 2006-08-16 | 翁祖宏 | V-arc-shaped shallow slot structure and its machining method for composite floor |
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