CN103031940A - Wooden decorative floor board and manufacturing method thereof - Google Patents
Wooden decorative floor board and manufacturing method thereof Download PDFInfo
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- CN103031940A CN103031940A CN2011103007831A CN201110300783A CN103031940A CN 103031940 A CN103031940 A CN 103031940A CN 2011103007831 A CN2011103007831 A CN 2011103007831A CN 201110300783 A CN201110300783 A CN 201110300783A CN 103031940 A CN103031940 A CN 103031940A
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Abstract
The invention provides a wooden decorative floor board and a manufacturing method thereof. The first manufacturing method comprises the following steps of performing one-time or multi-time continuous hot compression processing on a base layer and a decorative layer for the formation of a floor board billet and processing the floor board billet into the floor board. Differences between the second manufacturing method and the first manufacturing method are that the base layer is formed through hot compression processing at first, and then the decorative layer and thermosetting amine resin impregnated paper of the base layer are adhered together through other adhesives; and in addition, the amine resin impregnated paper is in the thermosetting state. With the adoption of the manufacturing method provided by the invention, decorative patterns of the floor board are clear and natural without similarity; therefore, the defects that the single printed pattern of a paper decorative layer of an impregnated paper laminate wooden floor board is repeated, rigid and unnatural can be overcome; meanwhile, the stability is good, the cost is low and the resource is saved; the defects of unstable material, high cost and great resource consumption of a solid wooden floor board or a solid composite floor board are overcome; and the floor board provided by the invention can also be used for a floor heating environment.
Description
Technical field
The present invention relates to decorative floor.
Background technology
Existing wood floors are divided into wooden floor, solid wooden compound floor, impregnated-paper laminated wood floor.
Wooden floor and solid wooden compound floor be all take log as base material, and different is, wooden floor is take the monoblock log as base material, and solid wooden compound floor becomes the veneer layer with rounding or slicing, then multilayer veneer layer is gluedd joint lamination and forms.Because the enhancing of people's environmental consciousness and the scarcity of global forest tree resource, the cost compare of log is high, and therefore, the price of wooden floor and solid wooden compound floor is more expensive.
In addition, wooden floor and solid wooden compound floor directly or indirectly provide base material by log, log has hydrophily (for example gap structure in the log and hydrophilic hydroxyl groups), have expand with wet and contract with dry, anisotropic natural attribute, this has caused wooden floor and the solid wooden compound floor can be along with the variation of humidity in the variation in season, the air and change, particularly, the wet season floor moisture absorption can expand and cause arch camber, and the water loss of arid season floor is shunk and caused occurring between the floor slit.The method that promotes the stability of wooden floor or solid wooden compound floor in the prior art mainly is oven dry and health, the method of solid wooden compound floor also comprises log layer growth direction and the criss-cross arrangement of annual ring direction, but effect is all very limited, can not change the fundamental characteristics of its expand with wet and contract with dry, add the floor anisotropy, every floor is from the different parts of trees, this is not quite similar with regard to the coefficient of stability that makes every floor, the size of contraction or expansion also is not quite similar, thereby anisotropic attribute also makes and produces the long-time stability that huge shear stress affects the floor between the log layer of solid wooden compound floor criss-cross arrangement, apparent mass and application life.
For the shortcoming that overcomes expand with wet and contract with dry and the wood floors that material benefit is provided, also there are in the market the wood-based plates such as the shaving board of employing, density board to substitute log and carry out floor processing, the general employing is with the figuratum thermoset amino resin paper that is impregnated with to be arranged on the surfaces such as shaving board, density board as decorative layer simultaneously, the back side arranges balance layer, overlay through HTHP and to form, this floor is called impregnated-paper laminated wood floor.Yet the pattern of impregnated-paper laminated wood floor is generally the repetition of single printed patterns, the inflexible not nature of decorative pattern.
In view of this, be necessary to propose in fact a kind of novel floor and preparation method thereof, to avoid the defective of existing wooden floor, solid wooden compound floor, impregnated-paper laminated wood floor.
Summary of the invention
The problem that the present invention solves is to propose a kind of novel floor and preparation method, can avoid the repetition of the single printed patterns of impregnated-paper laminated wood floor, the inflexible not nature of decorative pattern also can be avoided the problem that wooden floor or solid wooden compound floor are with high costs, material is unstable simultaneously.
For addressing the above problem, the invention provides a kind of wood floors and preparation method.This floor comprises:
Decorative layer and basal layer; Described decorative layer comprises that thickness is lower than layer of wood or the bamboo matter layer of 6mm, and described basal layer comprises the thermoset amino resin impregnated paper that the upper and lower surface of density board or shaving board and density board or shaving board overlays.
Alternatively, the side that described decorative layer differs from described basal layer is provided with wearing layer, as the thermoset amino resin impregnated paper of described wearing layer or contain the thermoset amino resin impregnated paper of wear-resisting composition or hot-press resin film or UV, PU resin molding are at least one deck.
Alternatively, be less than 1 millimeter as the wooden skin of described decorative layer or the thickness range of bamboo matter skin.
Alternatively, it is 1 millimeter-6 millimeters as the Wooden veneer of described decorative layer or the thickness range of bamboo matter veneer.
Alternatively, described density board or shaving board one deck at least.
Alternatively, also be provided with thermoset amino resin hot pressing glue or thermoset amino resin impregnated paper between described thermoset amino resin impregnated paper and the described decorative layer, described thermoset amino resin hot pressing glue or the minimum one deck of thermoset amino resin impregnated paper.
Alternatively, also be provided with other glue-line between the thermoset amino resin impregnated paper of the basal layer of described heat cure and the described decorative layer, as described other glue-line without glue or PUR or normal temperature cure glue or low temperature heat-curable glue or on have a bonding adhesive film be at least one deck.
Alternatively, described basal layer differs from set being equipped with of a side of described decorative layer and beautifies decorative layer, is at least one deck as the thermoset amino resin impregnated paper that beautifies decorative layer or hot-press resin film or PU, UV resin molding or by the bonding paper of bonding adhesive, cloth, wooden skin, resin molding.
Alternatively, described floor is at least two, and described two floors are by bonding or assembly unit or be fixed in and form floorboard on the attachment.
The first method of manufacturing wood floors provided by the invention comprises:
Basal layer and decorative layer are carried out the processing of one or many continuous hot-press, so that it forms floor blank;
The floor blank is processed into the floor;
Wherein, in the described hot-pressing processing, temperature range is 150-220 ℃, and pressure limit is 16-30Mpa, and the processing time is 20-90s.
Alternatively, the described one or many continuous hot-press that carries out carries out the one or many continuous hot-press to wearing layer simultaneously and processes when processing; Wherein, described wearing layer is placed in the side that described decorative layer differs from described basal layer, and described wearing layer is at least a in thermoset amino resin impregnated paper or the thermoset amino resin impregnated paper that contains wear-resisting composition.
Alternatively, after described floor blank or described floor formed, a side that differs from described basal layer at described decorative layer arranged wearing layer, and described wearing layer is that UV, PU resin molding or hot-press resin film are at least a.
Alternatively, the described one or many continuous hot-press that carries out is when processing, and carries out the one or many continuous hot-press and processes beautifying decorative layer simultaneously; Wherein, the described decorative layer that beautifies is placed in the side that described basal layer differs from described decorative layer, and the described decorative layer that beautifies is at least a in thermoset amino resin impregnated paper or wooden skin or paper or the cloth.
Alternatively, after described floor blank or described floor form, a side setting that differs from described decorative layer at described basal layer beautifies decorative layer, and the described decorative layer that beautifies is UV, PU resin molding or hot-press resin film or at least a by bonding adhesive bonding paper, cloth, wooden skin, resin molding.
The second method of manufacturing wood floors provided by the invention comprises:
Thermoset amino resin impregnated paper, density board or shaving board, the thermoset amino resin impregnated paper that stacks successively carried out hot-pressing processing, with the basis of formation layer;
Through cooling, after the health, on the thermoset amino resin impregnated paper of the heat cure of described basal layer or decorative layer other adhesive layer is set;
Utilize the bonding described decorative layer of described other adhesive layer and described basal layer, form the floor blank in the required solidification temperature of described other adhesive layer, pressure, under the time, the floor blank is processed into the floor;
Wherein, in described hot-pressing processing, temperature range is 150-220 ℃, and pressure limit is 16-30Mpa, and the processing time is 20-90s.
Alternatively, described other adhesive layer for without glue or PUR or normal temperature cure glue or low temperature heat-curable glue or on have at least a in the bonding adhesive.
Alternatively, after described floor blank or described floor formed, a side that differs from described basal layer at described decorative layer arranged wearing layer, and described wearing layer is that UV, PU resin molding or hot-press resin film are at least a.
Alternatively, after described floor blank or described floor form, a side setting that differs from described decorative layer at described basal layer beautifies decorative layer, and the described decorative layer that beautifies is UV, PU resin molding or hot-press resin film or at least a by bonding adhesive bonding paper, cloth, wooden skin, resin molding.
Compared with prior art, the present invention has the following advantages: adopt wooden or bamboo matter as decorative layer, thereby have the unidentical surface effect of naturally clear beauty the same as real wood floors, avoided the single printed patterns of impregnated-paper laminated wood floor simply to repeat inflexible factitious defective; Basal layer is by on density board or the shaving board, under overlay the thermoset amino resin impregnated paper and consist of, density board or shaving board are not had a capillary porosity structure, hydrophilic hydroxyl groups is partial destruction also, wood fiber is thoroughly reset isotropism, the coefficient of stability significantly promotes, overlay up and down again the thermoset amino resin impregnated paper, adhesion is large after HTHP solidifies, densification is fully waterproof, stability further promotes, both advantages are in conjunction with making the present invention have excellent stability, the lower cost for material resource consumption that uses few, thereby also avoided wooden floor or solid wooden compound floor material unstable, with high costs, the defective that resource consumption is large; Because of good stability, floor provided by the invention can also be used for geothermal environment and use.
Description of drawings
Fig. 1 is the flow chart of the preparation method on the floor that provides of first embodiment of the invention, embodiment one, two, three, four;
Fig. 2 is the structural representation on the floor that provides of specific embodiments of the invention one, five;
Fig. 3 is the structural representation on the floor that provides of embodiment two, three, four;
Fig. 4 is the flow chart of the preparation method on the floor that provides of the second embodiment of the present invention, embodiment five.
The specific embodiment
For above-mentioned purpose of the present invention, feature and advantage can more be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail, owing to focus on illustrating principle of the present invention, so do not draw to scale.
Embodiment one
Just as described in the background art, the repetition of the single printed patterns of impregnated-paper laminated wood floor, for overcoming this problem, can adopt wooden or bamboo matter to replace impregnated paper decorative layer in the impregnated-paper laminated wood floor as decorative layer, yet, in the art, existing impregnated-paper laminated wood floor is to make under HTHP, and the easily distortion under HTHP of solid wood matter or bamboo matter, therefore, industry it is generally acknowledged that solid wood matter or bamboo matter can't be at grown place panel products under high-temperature and high-pressure conditions like this.The present inventor finds, solid wood matter or bamboo matter layer are in the certain thickness scope under the condition, utilize thermoset amino resin impregnated paper or thermoset amino resin impregnated paper to add thermosetting amino resins hot pressing glue and play bonding grafting, can be under the high-temperature and high-pressure conditions similar to impregnated-paper laminated wood floor the production high-quality do the floor of decorative layer with wooden or bamboo matter, the layer that plays bonding grafting solidifies the powerful adhesion that produces through HTHP is enough to limit wooden in the certain thickness scope or negative effect that bamboo matter decorative layer causes whole floor stability.
The first embodiment of the present invention, i.e. the preparation method on the first provided by the invention floor, as shown in Figure 1, the method comprises:
Step S10 carries out the processing of one or many continuous hot-press to basal layer and decorative layer, so that it forms floor blank; Wherein, in the described hot-pressing processing, temperature range is 150-220 ℃, and pressure limit is 16-30Mpa, and the processing time is 20-90s; Described decorative layer comprises that thickness is lower than layer of wood or the bamboo matter layer of 6mm, and described basal layer comprises the thermoset amino resin impregnated paper that the upper and lower surface of density board or shaving board and density board or shaving board overlays; The layer that plays bonding grafting is the composite bed of basis of formation layer and the thermoset amino resin impregnated paper that is in upper surface or this thermoset amino resin impregnated paper and the formation of thermoset amino resin hot pressing glue, and the layer that plays bonding grafting here also can be multilayer;
Step S15 is processed into the floor with the floor blank.
In specific implementation process, also can comprise wearing layer is set, when described wearing layer is at least a in thermoset amino resin impregnated paper or the thermoset amino resin impregnated paper that contains wear-resisting composition, in described step S10, described wearing layer is placed in the side that described decorative layer differs from described basal layer, with other each layer once or continuous several times hot pressing be integrated.Formation and working condition thereof according to concrete wearing layer, the process that wearing layer is set also can arrange after aforementioned hot pressing is finished again, when wearing layer is by at least a the serving as in UV, PU resin molding or the hot-press resin film as described, at this moment, described hot-press resin film is to be lower than temperature in the above-mentioned high temperature hot pressing step and pressure condition to press down and be attached on floor blank or the floor, and described UV resin molding or PU resin molding then adopt common process to be arranged on floor blank or the floor in continuous several times coating on the flow production line, the mode of solidifying.
Further, step S10 can comprise that also setting beautifies decorative layer, it is described when to beautify decorative layer be at least a in thermoset amino resin impregnated paper or wooden skin or paper or the cloth, in step S10, the described decorative layer that beautifies is placed in the side that described basal layer differs from described decorative layer, with other each layer once or continuous several times hot pressing be integrated.According to the concrete formation of beautifying decorative layer and working condition thereof, the process that setting beautifies decorative layer also can be after aforementioned hot pressing be finished again the gradation setting finish, beautify as described decorative layer by UV, PU resin molding or hot-press resin film or by the bonding paper of bonding adhesive, cloth, the wood skin, during at least a serving as in the resin molding, at this moment, described hot-press resin film or by the bonding paper of bonding adhesive, cloth, the wood skin, resin molding is the temperature that is lower than in the above-mentioned high temperature hot pressing step, pressure condition presses down and is attached on the floor blank or floor that wearing layer is set or wearing layer is not set; Described UV resin molding or PU resin molding then adopt common process to be arranged on floor blank or the floor in the mode of continuous several times coating, curing on the flow production line.
National standard has the requirement of straightness accuracy to the floor, cause the floor up and down the main reason that exceeds standard of crooked straightness accuracy be lower pulling force or stretch force unbalance on the floor.The present invention is symmetrical line of demarcation take density board or shaving board as physical mechanics, then up and down the number of plies may and asymmetric, thereby equilibrant force also may be asymmetric.The method of head it off of the present invention is that every layer of thermoset amino resin impregnated paper has different gel contents, makes marginal top and bottom obtain total identical equilibrant force, and floor provided by the invention like this straightness accuracy can comply with the national standard requirements.
The wood floors that said method forms as shown in Figure 2, comprising: decorative layer 3, basal layer 1, wearing layer 4 and beautify decorative layer 5; Wherein, described basal layer 1 comprises the thermoset amino resin impregnated paper 12,13 that the upper and lower surface of density board or shaving board 11 and density board or shaving board 11 overlays, the side that decorative layer 3 differs from basal layer 1 is provided with the thermoset amino resin impregnated paper 4 that contains wear-resisting composition, and the side that basal layer 1 differs from decorative layer 3 is provided with beautifies decorative layer 5.
Specifically introduce the first embodiment of the present invention below in conjunction with embodiment one to four.
Embodiment one
Below in conjunction with Fig. 1 and Fig. 2, wood floors that concrete illustrated embodiments one provides and forming method thereof.
In the present embodiment one, in step S10, the basal layer 1 that provides is comprised of 0.8 g/cc density board 11, the thermoset amino resin impregnated paper 12 that gel content is 120 g/ms, the thermoset amino resin impregnated paper 13 that gel content is 180 g/ms; The decorative layer 3 that provides is the maple skin of thickness 0.25mm; The wearing layer 4 that provides is 60 g/ms the thermoset amino resin impregnated paper that contains wear-resisting composition for gel content; The decorative layer 5 that beautifies that provides is the poplar skin of thickness 0.15mm.
Need to prove, the two-sided glue that contains of impregnated paper, in heat treatment process, gel content is wooden skin or paper or the cloth that 180 g/ms the direct bonding conduct of thermoset amino resin impregnated paper 13 energy beautifies decorative layer 5; Gel content is 120 g/ms both formation base layer 1 of thermoset amino resin impregnated paper 12, also plays the bonding grafting, and after heat treatment bonding decorative layer 3 forms whole with basal layer 1.
Then, poplar skin 5 with a layer thickness 0.15mm, one deck gel content is 180 g/ms thermoset amino resin impregnated paper 13, one 0.8 g/cc density board 11, one deck gel content is 120 g/ms thermoset amino resin impregnated paper 12, the maple skin 3 of a 0.25mm, one deck gel content is 60 g/ms successively order distribution of the thermoset amino resin impregnated paper 4 that contains wear-resisting composition, put two-sided hot press of heating into, at 175 ℃, 20Mpa pressure hold time 30s, one-shot forming overlays makes the floor blank, and the floor blank is processed into the floor.
As shown in Figure 2, the floor of so making comprises: decorative layer 3, basal layer 1, wearing layer 4 with beautify decorative layer 5; Wherein, decorative layer 3 is the maple skin, basal layer 1 is the thermoset amino resin impregnated paper 12 of density board 11 and upper surface and the thermoset amino resin impregnated paper 13 of soffit, bond by thermoset amino resin impregnated paper 12 between the density board 11 of decorative layer 3 and basal layer 1, the side that decorative layer 3 differs from basal layer 1 is provided with the thermoset amino resin impregnated paper 4 that contains wear-resisting composition, the side that basal layer 1 differs from decorative layer 3 is provided with beautifies decorative layer 5, beautifies decorative layer 5 and is the poplar skin.
Use the thermoset amino resin impregnated paper of similar and different gel content to realize the up and down balance of stress of the present embodiment with the different layers 4,12 that is consisted of by the thermoset amino resin impregnated paper, 13.
In the present embodiment one, the alternative that described decorative layer 3 is the maple skin is the wooden skin of other type or bamboo matter skin, and wood grain is natural, pure and fresh, the identical decorative pattern of nothing, has avoided the repetition of impregnated-paper laminated wood floor single pattern.The thickness range of described decorative layer 3 is less than 6 millimeters, preferably less than 1 millimeter wooden skin or bamboo matter skin.
In the prior art, the general coating paint in wooden floor and solid wooden compound floor surface serves as wearing layer, yet the abrasion resistance of paint is extremely limited, is difficult to break through 400 its application life and turns.
The abrasion resistance that contains the thermoset amino resin impregnated paper of wear-resisting composition generally turns above up to 6000, by adjusting gel content or the number of plies, even can surpass 10000 and turn, be higher than the abrasion resistance of solid wood and solid wooden compound floor far away, thereby, increased application life on floor.
Alternatively, the alternative that contains the thermoset amino resin impregnated paper 4 of wear-resisting composition is the thermoset amino resin impregnated paper, at this moment, in described step S10, described wearing layer 4 is placed in the side that described decorative layer 3 differs from described basal layer 1, with other each layer once or continuous several times hot pressing be integrated.Formation and working condition thereof according to concrete wearing layer 4, the process that wearing layer 4 is set also can be after aforementioned decorative layer 3 be finished with basal layer 1 one hot pressing, arrange again and finish, as when as described in wearing layer 4 during by at least a the serving as in UV, PU resin molding or the hot-press resin film, at this moment, after aforementioned decorative layer 3 is finished with basal layer 1 one hot pressing, described hot-press resin film is to be lower than under temperature in the above-mentioned high temperature hot pressing step, the pressure condition, overlays on the floor blank that is formed by this integrative-structure or floor; Described UV resin molding or PU resin molding then adopt common process to be arranged on floor blank or the floor in the mode of continuous several times coating, curing on the flow production line.
Alternatively, thermoset amino resin hot pressing glue or thermoset amino resin impregnated paper also can be set on the thermoset amino resin impregnated paper 12; According to seeds and the thickness of decorative layer 3, but thermoset amino resin hot pressing glue or thermoset amino resin impregnated paper multilayer are used.Thermoset amino resin hot pressing glue also can be arranged on the decorative layer 3 except on the thermoset amino resin impregnated paper 12 that is arranged on basal layer 1.
In the present embodiment one, density board 11 also claims fiberboard, and the alternative of density board is shaving board, is one deck setting; Certainly also can select as required two kinds of density board or shaving boards, minute two-layer or multilayer setting.
Alternatively, beautifying decorative layer 5 is thermoset amino resin impregnated paper or other wooden skin or paper or cloth for the replacement scheme of poplar skin, at this moment, in step S10, the described decorative layer 5 that beautifies is placed in the side that described basal layer 1 differs from described decorative layer 3, with other each layer once or continuous several times hot pressing be integrated.According to the concrete formation of beautifying decorative layer 5 and working condition thereof, setting beautifies the process of decorative layer 5 also can be at aforementioned decorative layer 3, after basal layer 1 and wearing layer 4 (thermoset amino resin impregnated paper or contain the thermoset amino resin impregnated paper of wear-resisting composition) hot pressing is finished, arrange again and finish, beautify as described decorative layer by UV, PU resin molding or hot-press resin film or by the bonding paper of bonding adhesive, cloth, the wood skin, during at least a serving as in the resin molding, at this moment, at aforementioned decorative layer 3, described hot-press resin film or by the bonding paper of bonding adhesive after basal layer 1 and wearing layer 4 one hot pressings are finished, cloth, the wood skin, resin molding is the temperature that is lower than in the above-mentioned high temperature hot pressing step, pressure condition presses down and is attached to by this decorative layer 3, on the floor blank or floor that basal layer 1 and wearing layer 4 form; Described UV resin molding or PU resin molding then adopt common process to be arranged on floor blank or the floor in the mode of continuous several times coating, curing on the flow production line.
In the present embodiment one, density board 11 is not had a capillary porosity structure, hydrophilic hydroxyl groups is partial destruction also, wood fiber is thoroughly reset isotropism, and the coefficient of stability significantly promotes, and, the upper and lower surface of density board 11 is wrapped up by the thermoset amino resin impregnated paper respectively, the thermoset amino resin impregnated paper is fine and close after HTHP solidifies, intensity is high, can stop the change of density board moisture, thereby so that the stability on floor further get a promotion; Simultaneously, lower upper surface wooden or bamboo matter decorative layer arranges respectively thermoset amino resin impregnated paper and the thermoset amino resin impregnated paper that contains wear-resisting composition, can stop the variations such as distortion that decorative layer brings because of the variation of moisture, temperature, contraction, even upper surface does not seal the thermoset amino resin impregnated paper, because of the superpower adhesion of layer thermoset amino resin impregnated paper tool, intensity, the densification, stable that play bonding grafting, the understrressing that the moisture expansion and drying shrinkage of wooden skin produces is with over the ground stability of plates formation impact.
Alternatively, with at least two floors of manufacturing by bonding or assembly unit or be fixed in and form floorboard on the attachment.
Embodiment two
In the present embodiment two, in step S10, the basal layer 1 that provides is that 180 g/ms thermoset amino resin impregnated paper 13 forms by 0.8 g/cc density board 11, thermoset amino resin impregnated paper 12 and gel content that gel content is 100 g/ms; The decorative layer 3 that provides is the maple skin of thickness 0.4mm; The wearing layer 4 that provides is 80 g/ms the thermoset amino resin impregnated paper that contains wear-resisting composition for gel content.
Then, be that the maple skin 3 of 180 g/ms thermoset amino resin impregnated paper 13, one 0.8 g/cc density board 11, the thermoset amino resin impregnated paper 12 that one deck gel content is 100 g/ms, a 0.4mm is put two-sided hot press of heating into one deck gel content, at 175 ℃, 20Mpa pressure hold time 20s.Unclamp press, put again gel content that one deck comprises wear-resisting composition into and be 80 g/ms thermoset amino resin impregnated paper, at 175 ℃, 20Mpa pressure hold time 20s.Overlay continuously rear formation floor blank for twice, the floor blank is processed into the floor.
As shown in Figure 3, the floor of so making comprises: decorative layer 3, basal layer 1 and wearing layer 4; Wherein, decorative layer 3 is the maple skin, basal layer 1 is the thermoset amino resin impregnated paper 13 of density board 11 and upper surface thermoset amino resin impregnated paper 12 and soffit, by thermoset amino resin impregnated paper 12 bondings, the side that decorative layer 3 differs from basal layer 1 is provided with the thermoset amino resin impregnated paper 4 that contains wear-resisting composition between the density board 11 of decorative layer 3 and basal layer 1.Need to prove, the present embodiment two does not arrange and beautifies decorative layer.
Embodiment three
In the present embodiment three, step S10, the basal layer 1 that provides are that 240 g/ms thermoset amino resin impregnated paper 13 forms by 0.8 g/cc density board 11, thermoset amino resin impregnated paper 12 and gel content that gel content is 100 g/ms; The decorative layer 3 that provides is the Sawtooth Oak Bark of thickness 0.35mm; The wearing layer 4 that provides is the thermoset amino resin impregnated paper that comprises wear-resisting composition that 60 g/ms thermoset amino resin impregnated paper and one deck gel content are 80 g/ms for the gel content of layer of transparent.
Then, be 240 g/ms thermoset amino resin impregnated paper 13, one 0.8 g/cc density board 11, the thermoset amino resin impregnated paper 12 that one deck gel content is 100 g/ms, the Sawtooth Oak Bark 3 of a 0.35mm with one deck gel content, order distributes successively, put two-sided hot press of heating into, at 180 ℃, 23Mpa pressure guarantor time 20s.Unclamp press, the gel content of putting again layer of transparent into is that 60 g/ms thermoset amino resin impregnated paper, one deck gel content are 80 g/ms the thermoset amino resin impregnated paper 4 that comprises wear-resisting composition, at 180 ℃, 23Mpa pressure hold time 20s, overlay continuously rear formation floor blank for twice, the floor blank is processed into the floor.
The floor of so making also as shown in Figure 3, comprising: decorative layer 3, basal layer 1 and wearing layer 4; Wherein, decorative layer 3 is Sawtooth Oak Bark, basal layer 1 is the thermoset amino resin impregnated paper 13 of density board 11 and upper surface thermoset amino resin impregnated paper 12 and soffit, by thermoset amino resin impregnated paper 12 bondings, the side that decorative layer 3 differs from basal layer 1 is provided with the thermoset amino resin impregnated paper of layer of transparent and the thermoset amino resin impregnated paper 4 that one deck contains wear-resisting composition between the density board 11 of decorative layer 3 and basal layer 1.Need to prove, the present embodiment three does not arrange the independent decorative layer that beautifies yet.
Embodiment four
Wooden or bamboo matter decorative layer book size generally only is slightly larger than the ground board size, if by large press (effectively work area 1220mm*2440mm) when overlaying, there is certain difficulty in putting of decorative layer, after large scale (1220mm*2440mm) thermoset amino resin impregnated paper sets, easy displacement when moving into press, affect yield rate, efficient is also low.Therefore bonding grafting with the thermoset amino resin impregnated paper on all or part of one deck thermoset amino resin hot pressing glue that arranges, put again decorative layer, the viscosity of utilizing glue fixedly decorative layer makes it can displacement, and the contained glue of glue and impregnated paper is identical, can also increase adhesion effect.Technological process is as follows: the thermoset amino resin impregnated paper with one deck 1220mm*2440mm flattens at workbench first, upper surface entire area or part arrange one deck thermoset amino resin hot pressing glue, will be certain thickness wooden or bamboo matter decorative layer tile continuously and stick on the thermoset amino resin impregnated paper; Then one deck large scale thermoset amino resin impregnated paper (1220nn*2440mm) is put into large press, put into again a large size density board (1220nn*2440mm), the thermoset amino resin impregnated paper that will be stained with again decorative layer is placed on the density board, put at last the thermoset amino resin impregnated paper that one deck large scale contains wear-resisting composition, order distributes successively.At 150-220 ℃, 16-30Mpa pressure hold time 20-90s, one-shot forming overlays, and unclamps press, ejecting plate, and the cooling health is sawn into the floor blank along decorative layer book size sanction, health, fluting is processed into the floor.
In the present embodiment four, step S10, the basal layer 1 that provides are that the gel content of thermoset amino resin impregnated paper 12 and soffit of 100 g/ms 1220mm*2440mm is the thermoset amino resin impregnated paper 13 of 240 g/ms 1220mm*2440mm for the gel content of 1220mm*2440mm, 0.8 g/cc density board 11 and upper surface; The decorative layer 3 that provides is the Sawtooth Oak Bark of book size 1220mm*200mm, thickness 0.3mm; Wherein, gel content is have an appointment 60 g/ms thermoset amino resin hot pressing glue of coating also on 100 g/ms the side of not facing mutually with density board 11 of thermoset amino resin impregnated paper 12 of 1220mm*2440mm, this thermoset amino resin impregnated paper 12 and on thermoset amino resin hot pressing glue play bonding grafting; The wearing layer 4 that provides is the thermoset amino resin impregnated paper that comprises wear-resisting composition of 80 g/ms 1220mm*2440mm for one deck gel content.
Then, be the thermoset amino resin impregnated paper 13 of 240 g/ms 1220mm*2440mm with one deck gel content, a 1220mm*2440mm, 0.8 g/cc density board 11, the glue gel content of Sawtooth Oak Bark 3 that one deck is provided with 60 g/ms the gluing 1220mm*200mm*0.3mm of sticking of thermoset amino resin hot pressing is the thermoset amino resin impregnated paper 12 of 100 g/ms 1220mm*2440mm, one deck gel content be 80 grams/square the thermoset amino resin impregnated paper 4 of the 1220mm*2440mm that comprises wear-resisting composition, order distributes successively, put the two-sided hot press of heating of 1220mm*2440mm into, at 180 ℃, 23Mpa pressure hold time 30s, one-shot forming overlays and forms integral body, be sawn into the floor blank along Sawtooth Oak Bark book size sanction, the floor blank is processed into the floor.
The floor of so making also as shown in Figure 3, comprising: decorative layer 3, basal layer 1 and wearing layer 4; Wherein, decorative layer 3 is Sawtooth Oak Bark, basal layer 1 is the thermoset amino resin impregnated paper 13 of density board 11 and upper surface thermoset amino resin impregnated paper 12 and soffit, by thermoset amino resin impregnated paper 12 and thermoset amino resin hot pressing glue bond, the side that decorative layer 3 differs from basal layer 1 is provided with the thermoset amino resin impregnated paper 4 that one deck contains wear-resisting composition between the density board 11 of decorative layer 3 and basal layer 1.The present embodiment four does not arrange the independent decorative layer that beautifies equally.
Embodiment two
If according to the first embodiment, do decorative layer 3 with the wooden or bamboo matter veneer more than the thickness 1mm, temperature conduction will be more difficult along with the increase of thickness, by promoting temperature, pressure and overlaying the time, although can realize production, technique is loaded down with trivial details, cost is high, long HTHP consists of larger modification to wooden or bamboo matter decorative layer 3 and reduces with the reduction of damage product specification, yield rate.The present inventor finds: with the upper and lower surface of density board or veneer 11 and thermoset amino resin impregnated paper 12,13 in advance hot binding be whole basis of formation layer 1, with other bonding adhesive that the solidity amino resins impregnated paper 12 of the heat cure of wooden or bamboo matter decorative layer 3 and basal layer 1 is bonding again, can bonding any thickness wooden or bamboo matter decorative layer 3, avoid because of the infringement of too high temperature, pressure to thicker decorative layer, product still possesses aforesaid outstanding stability and the appearance effect consistent with wooden floor fully simultaneously.
The second embodiment of the present invention, such as Fig. 4 and shown in Figure 2, this preparation method comprises:
Step S20 carries out hot-pressing processing to thermoset amino resin impregnated paper 13, density board or shaving board 11, the thermoset amino resin impregnated paper 12 that stacks successively, with basis of formation layer 1; Wherein, in described hot-pressing processing, temperature range is 150-220 ℃, and pressure limit is 16-30Mpa, and the processing time is 20-90s;
Step S25, after cooling, health, thermoset amino resin impregnated paper 12 in the heat cure of described basal layer 1 arranges other adhesive layer, described other adhesive layer for without glue or PUR or normal temperature cure glue or low temperature heat-curable glue or on have at least a in the film of bonding adhesive; Other adhesive layer also can be arranged on the decorative layer 3 except on the thermoset amino resin impregnated paper 12 that is arranged on basal layer 1;
Step S30 utilizes the bonding described decorative layer 3 of this other adhesive layer and described basal layer 1, at the required solidification temperature of described other adhesive layer, pressure, form the floor blank under the time, the floor blank is processed into the floor.
Alternatively, in specific implementation process, after described floor blank or described floor form, also comprise step S35, wearing layer 4 is set, and described wearing layer 4 is placed in the side that described decorative layer 3 differs from described basal layer 1, and described wearing layer 4 is at least a in UV, PU resin molding or the hot-press resin film, at this moment, described hot-press resin film is to be lower than temperature, pressure condition in the above-mentioned high temperature hot pressing step to press down and be attached on the blank of floor; Described UV resin molding or PU resin molding adopt common process to be arranged on floor blank or the floor in the mode of continuous several times coating, curing on the flow production line.
Alternatively, in specific implementation process, after described floor blank or described floor form, also comprise step S40, setting beautifies decorative layer 5, the described decorative layer 5 that beautifies is in the side that described basal layer 1 differs from described decorative layer 3, the described decorative layer 5 that beautifies is PU, UV resin molding or hot-press resin film or by the bonding paper of bonding adhesive, cloth, the wood skin, at least a in the resin molding, at this moment, described hot-press resin film or by the bonding paper of bonding adhesive, cloth, the wood skin, resin molding is the temperature that is lower than in the above-mentioned high temperature hot pressing step, pressure condition presses down and is attached on floor blank or the floor; Described UV resin molding or PU resin molding then adopt common process to be arranged on floor blank or the floor in the mode of continuous several times coating, curing on the flow production line.
Specifically introduce the second embodiment of the present invention below in conjunction with embodiment five.
Embodiment five
In the present embodiment five, step S20 provides basal layer 1, and basal layer 1 all is that 120 g/ms thermoset amino resin impregnated paper 12,13 consists of by the gel content on 0.8 g/cc density board 11 and upper and lower surface; Decorative layer 3 is provided, and described decorative layer 3 is the oak veneer of thickness 2mm;
Then, the gel content that stacks successively is 120 g/ms thermoset amino resin impregnated paper 12,0.8 g/cc density board 11, the thermoset amino resin impregnated paper 13 that gel content is 120 g/ms, put two-sided hot press of heating into and carry out hot-pressing processing, in described hot-pressing processing, temperature is 170 ℃, pressure is 20Mpa, and the processing time is 20s, once overlays basis of formation layer 1.
Execution in step S25 unclamps press, ejecting plate, cooling health; Described basal layer 1 the thermoset amino resin impregnated paper 12 of hot-press solidifying arrange 120 g/ms without gelatine layer.
Step S30, adding the thick oak veneer 3 of one deck 2mm without gelatine layer, put into without heating the low pressure press, room temperature condition kept 3 hours at 1Mpa pressure, utilize the thick oak veneer 3 of the bonding 2mm of anhydrous adhesive curing and basal layer 1 to form the floor blank, after unclamping press, health 24 hours produces the floor with the floor blank;
Alternatively, also comprise execution in step S35, wearing layer 4 is set, described wearing layer 4 is placed in a side that differs from described basal layer 1 through the decorative layer 3 on the floor that machine obtains, described wearing layer 4 is the UV resin molding, and described UV resin molding adopts common process to be arranged on the floor in the mode of continuous several times coating, curing on the flow production line.At least a in PU resin molding or the hot-press resin film also can be set as required, and at this moment, the hot-press resin film is to be lower than temperature, pressure condition in the above-mentioned high temperature hot pressing step to press down and be attached on floor blank or the floor; Described PU resin molding adopts common process to be arranged on the floor in the mode of continuous several times coating, curing on the flow production line.
Alternatively, also further comprise execution in step S40, setting beautifies decorative layer 5, the described decorative layer 5 that beautifies is in the side that described basal layer 1 differs from described decorative layer 3, the described decorative layer 5 that beautifies is the thick foamed resin film of one deck 2.5mm, bonding by solventless adhesive, to strengthen the aesthetics at the back side, floor, also can strengthen the comfortable feel that walks in after install on the floor and reduce the walking noise.The described decorative layer 5 that beautifies can also be set to PU, UV resin molding or at least a by in the bonding paper of bonding adhesive, cloth, wooden skin, other resin molding as required, at this moment, described is to be lower than temperature, pressure condition in the above-mentioned high temperature hot pressing step to press down and be attached on floor blank or the floor by the bonding paper of bonding adhesive, cloth, wooden skin, other resin molding; Described UV resin molding or PU resin molding adopt common process to be arranged on the floor in the mode of continuous several times coating, curing on the flow production line.
Room temperature, 1Mpa pressure keep solidifying under the condition in 3 hours without glue, the thick foamed resin film of 2.5mm by the bonding setting of solventless adhesive can not exert an influence the floor bending pulling force or stretch power, therefore, the thermoset amino resin impregnated paper that density board 11 overlays is up and down selected identical gel content, to keep up and down equilibrium of forces of the symmetrical interface of mechanics, prevent that the floor is crooked.
Described health refers to the floor blank after drying, glued joint, overlaying or semiproduct are placed a period of time, the process that the internal stress that produces because of temperature gradient, the gradation of moisture, unbalanced active force is discharged before making finished product as far as possible.
The floor of so making as shown in Figure 2, comprising: decorative layer 3, basal layer 1, wearing layer 4 with beautify decorative layer 5; Wherein, decorative layer 3 is the oak veneer, basal layer 1 is the thermoset amino resin impregnated paper 12 of density board 11 and upper surface and the thermoset amino resin impregnated paper 13 of soffit, be arranged at that the thermoset amino resin impregnated paper 12 of hot-press solidifying is lip-deep to play bonding effect without gelatine layer, become whole with decorative layer 3 and basal layer 1 are bonding, the side that decorative layer 3 differs from basal layer 1 is provided with one deck UV resin wearing layer 4, and the side that basal layer 1 differs from decorative layer 3 is provided with one deck foamed resin and beautifies decorative layer 5.
Described other glue-line for without the replacement scheme of glue be PUR or normal temperature cure glue or low temperature heat-curable glue or on have the minimum one deck setting of film of bonding adhesive.
In the present embodiment five, density board 11 also claims fiberboard, and alternative is shaving board, is one deck setting; Certainly also can select as required two kinds of density board or shaving boards, minute two-layer or multilayer setting.
Although the present invention with preferred embodiment openly as above; but it is not to limit the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can utilize method and the technology contents of above-mentioned announcement that technical solution of the present invention is made possible change and modification; therefore; every content that does not break away from technical solution of the present invention; to any simple modification, equivalent variations and modification that above embodiment does, all belong to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (18)
1. wood floors is characterized in that, comprising: decorative layer (3) and basal layer (1); Described decorative layer (3) comprises that thickness is lower than layer of wood or the bamboo matter layer of 6mm, and described basal layer (1) comprises thermoset amino resin impregnated paper (12), (13) that the upper and lower surface of density board or shaving board (11) and density board or shaving board (11) overlays.
2. wood floors according to claim 1, it is characterized in that, the side that described decorative layer (3) differs from described basal layer (1) is provided with wearing layer (4), as the thermoset amino resin impregnated paper of described wearing layer (4) or contain the thermoset amino resin impregnated paper of wear-resisting composition or hot-press resin film or UV, PU resin molding are at least one deck.
3. wood floors according to claim 1 is characterized in that, are less than 1 millimeter as the wooden skin of layer of wood or bamboo matter layer or the thickness range of bamboo matter skin.
4. wood floors according to claim 1 is characterized in that, are 1 millimeter-6 millimeters as the Wooden veneer of layer of wood or bamboo matter layer or the thickness range of bamboo matter veneer.
5. wood floors according to claim 1 is characterized in that, described density board or shaving board (11) be one deck at least.
6. wood floors according to claim 1, it is characterized in that, also be provided with thermoset amino resin hot pressing glue or thermoset amino resin impregnated paper between described thermoset amino resin impregnated paper (12) and the described decorative layer (3), described thermoset amino resin hot pressing glue or the minimum one deck of thermoset amino resin impregnated paper.
7. wood floors according to claim 1, it is characterized in that, also be provided with other glue-line between the thermoset amino resin impregnated paper (12) of the basal layer of described heat cure (1) and the described decorative layer (3), as described other glue-line without glue or PUR or normal temperature cure glue or low temperature heat-curable glue or on have a bonding adhesive film be at least one deck.
8. wood floors according to claim 1, it is characterized in that, described basal layer (1) differs from set being equipped with of a side of described decorative layer (3) and beautifies decorative layer (5), is at least one deck as the thermoset amino resin impregnated paper that beautifies decorative layer (5) or hot-press resin film or PU, UV resin molding or by the bonding paper of bonding adhesive, cloth, wooden skin, resin molding.
9. wood floors according to claim 1 is characterized in that, described floor is at least two, and described two floors are by bonding or assembly unit or be fixed in and form floorboard on the attachment.
10. the preparation method of wood floors claimed in claim 1 is characterized in that, comprising:
Basal layer (1) and decorative layer (3) are carried out the one or many continuous hot-press process, so that it forms the floor blank;
The floor blank is processed into the floor;
Wherein, in the described hot-pressing processing, temperature range is 150-220 ℃, and pressure limit is 16-30Mpa, and the processing time is 20-90s.
11. preparation method according to claim 10 is characterized in that, the described one or many continuous hot-press that carries out carries out the one or many continuous hot-press to wearing layer (4) simultaneously and processes when processing; Wherein, described wearing layer (4) is placed in the side that described decorative layer (3) differs from described basal layer (1), and described wearing layer (4) is for the thermoset amino resin impregnated paper or contain at least a in the thermoset amino resin impregnated paper of wear-resisting composition.
12. preparation method according to claim 10, it is characterized in that, after described floor blank or described floor form, a side that differs from described basal layer (1) at described decorative layer (3) arranges wearing layer (4), and described wearing layer (4) is that UV, PU resin molding or hot-press resin film are at least a.
13. according to claim 10 or 11 described preparation methods, it is characterized in that, the described one or many continuous hot-press that carries out is when processing, and carries out the one or many continuous hot-press and processes beautifying decorative layer (5) simultaneously; Wherein, the described decorative layer (5) that beautifies is placed in the side that described basal layer (1) differs from described decorative layer (3), describedly beautifies at least a in thermoset amino resin impregnated paper or wooden skin or paper or the cloth of decorative layer (5).
14. according to claim 10 or 11 or 12 described preparation methods, it is characterized in that, after described floor blank or described floor form, a side setting that differs from described decorative layer (3) at described basal layer (1) beautifies decorative layer (5), and the described decorative layer (5) that beautifies is UV, PU resin molding or hot-press resin film or at least a by bonding adhesive bonding paper, cloth, wooden skin, resin molding.
15. the preparation method of wood floors claimed in claim 7 is characterized in that, comprising:
Thermoset amino resin impregnated paper (13), density board or shaving board (11), the thermoset amino resin impregnated paper (12) that stacks successively carried out hot-pressing processing, with basis of formation layer (1);
Through cooling, after the health, upper or decorative layer (3) arranges other adhesive layer at the thermoset amino resin impregnated paper (12) of the heat cure of described basal layer (1);
Utilize the bonding described decorative layer of described other adhesive layer (3) and described basal layer (1), at the required solidification temperature of described other adhesive layer, pressure, form the floor blank under the time, the floor blank is processed into the floor;
Wherein, in described hot-pressing processing, temperature range is 150-220 ℃, and pressure limit is 16-30Mpa, and the processing time is 20-90s.
16. preparation method according to claim 15 is characterized in that, described other adhesive layer for without glue or PUR or normal temperature cure glue or low temperature heat-curable glue or on have at least a in the film of bonding adhesive.
17. preparation method according to claim 15, it is characterized in that, after described floor blank or described floor form, a side that differs from described basal layer (1) at described decorative layer (3) arranges wearing layer (4), and described wearing layer (4) is that UV, PU resin molding or hot-press resin film are at least a.
18. according to claim 15 or 17 described preparation methods, it is characterized in that, after described floor blank or described floor form, a side setting that differs from described decorative layer (3) at described basal layer (1) beautifies decorative layer (5), and the described decorative layer (5) that beautifies is UV, PU resin molding or hot-press resin film or at least a by bonding adhesive bonding paper, cloth, wooden skin, resin molding.
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| CN2011103007831A CN103031940A (en) | 2011-09-30 | 2011-09-30 | Wooden decorative floor board and manufacturing method thereof |
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| CN2011103007831A CN103031940A (en) | 2011-09-30 | 2011-09-30 | Wooden decorative floor board and manufacturing method thereof |
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Application publication date: 20130410 |