CN208858101U

CN208858101U - Glued board and ornament materials

Info

Publication number: CN208858101U
Application number: CN201820873629.0U
Authority: CN
Inventors: 土井孝志; 清水正文
Original assignee: Dai Nippon Printing Co Ltd
Current assignee: Dai Nippon Printing Co Ltd
Priority date: 2017-06-07
Filing date: 2018-06-07
Publication date: 2019-05-14
Anticipated expiration: 2028-06-07
Also published as: KR102032308B1; JPWO2018225845A1; JP7180594B2; WO2018225845A1; KR20180134404A; CN109414834B; CN109414834A

Abstract

The utility model provides the glued board and ornament materials of a kind of excellent impact resistance.The utility model provides a kind of glued board, successively there is first layer and the second layer at least from upper, the glued board is characterized in that, (1) above-mentioned first layer and the second layer are wood materials, (2) thickness of above-mentioned first layer is lower than 1.0mm, and the specific gravity of (3) above-mentioned second layer is greater than the specific gravity of above-mentioned first layer.

Description

Glued board and ornament materials

Technical field

The present invention relates to a kind of glued board and ornament materials.

Background technique

Currently, using glued board as the wood substrate for constituting the ornament materials such as decorating material for flooring.Glued board is to make With the thin wood plate by being known as veneer made of the cutting such as peeler, slicer, keep the machine direction of the veneer mutually big each other Right angle is caused, by the more pieces of veneer engagement planks that simultaneously lamination obtains.

For the glued board for ornament materials, it is desirable that the physical property such as impact resistance or design.Therefore, using high rigidity And flatness is excellent, the good sal material of design or birch material etc., hyperbaric veneer that specific gravity is 0.50 or more As the veneer for constituting glued board.As the glued board for ornament materials, had using only lamination using such hyperbaric The glued board of the hyperbaric veneer of veneer or in the hyperbaric veneer of outmost surface layer laminate and as layer in addition to this A part or whole laminations of layer in addition to this have the glued board of low-gravity veneer.

As glued board as described above, proposes and is fitted with the wooden substrate of wooden decorative veneer in plywood substrate, The wooden substrate uses the broad leaf tree of 0.6 or more specific gravity to form as the Face veneer of plywood substrate (for example, referring to patent Document 1).

But sal material, birch material etc. as hyperbaric veneer as described above, exist due to based on complete The felling limitation of ball forest conservation etc. is movable and output is adjusted, cuts down, the problem of cannot being stably supplied.

In order to solve the problem above-mentioned, research use grown compared with sal material, birch material fastly, can be in short-term Replacement of the veneer of the fast-growing tree of interior harvest as sal material, the veneer of birch material.

But fast-growing tree growth is fast, therefore can harvest in a short time, and on the other hand, specific gravity is low in most cases It is low-gravity in 0.5, is comparably soft with sal material, birch material etc..Therefore, the lamination trees of these types There is poor impact resistance in the glued board of veneer.

Therefore, expect the exploitation using glued board and ornament materials of low-gravity trees, excellent impact resistance.

Existing technical literature

Patent document

Patent document 1: Japanese Unexamined Patent Publication 1-105703 bulletin

Summary of the invention

Problems to be solved by the invention

The object of the present invention is to provide a kind of glued board of excellent impact resistance and ornament materials.

The method used for solving the problem

The present inventor has made intensive studies, as a result, it has been found that, by least with first layer and the second layer In glued board, is formed as first layer and the second layer is the thickness of wood materials, first layer lower than 1.0mm and the specific gravity of the second layer Greater than the structure of the specific gravity of first layer, above-mentioned purpose can be realized, so as to complete the present invention.

That is, the present invention relates to following glued boards and ornament materials.

1. a kind of glued board, successively with the glued board of first layer and the second layer, the feature of the glued board at least from upper It is:

(1) above-mentioned first layer and the above-mentioned second layer are wood materials,

(2) thickness of above-mentioned first layer is lower than 1.0mm,

(3) specific gravity of the above-mentioned second layer is greater than the specific gravity of above-mentioned first layer.

2. glued board as described in item 1, wherein above-mentioned first layer is poplar veneer, and the above-mentioned second layer is eucalyptus veneer.

3. a kind of ornament materials, which is characterized in that have on the above-mentioned first layer of the glued board described in item 1 or 2 and set Count layer.

The effect of invention

The excellent impact resistance of glued board and ornament materials of the invention.

Detailed description of the invention

Fig. 1 is the schematic diagram for indicating an example of layer structure of glued board of the invention.

Fig. 2 is the schematic diagram for indicating an example of layer structure of glued board of the invention.

Fig. 3 is the schematic diagram for indicating an example of the measuring method of indenture amount in impact resistance test evaluation.

Fig. 4 A and Fig. 4 B are the schematic diagrames for indicating an example of measuring method of specific gravity.Fig. 4 A is to cut out glued board centainly The figure of size, Fig. 4 B are figures that will be thinning as the thickness of the layer of measurement target.

Fig. 5 A, Fig. 5 B and Fig. 5 C are the schematic diagrames for indicating an example of measuring method of specific gravity.Fig. 5 A is to cut out glued board A certain size figure, Fig. 5 B are that the layer that will be stacked on the layer as measurement target is pruned and whole from surface through-thickness The figure of removing, Fig. 5 C are figures that will be thinning as the thickness of the layer of measurement target.

Fig. 6 is the two sides figure of an example for indicating ornament materials of the invention.

Fig. 7 A and Fig. 7 B are the signals for indicating to constitute an example of synthetic resin cosmetic sheet of ornament materials of the invention Figure.

Specific embodiment

Hereinafter, glued board and ornament materials of the invention are described in detail.In addition, glued board of the invention is glue The face of the first layer side of plywood is so-called " front ", is the face with the side of design layer laminate.Therefore, in the present specification The direction in the face of the first layer side of glued board is known as "upper", its opposite side referred to as " is carried on the back " or "lower".

1. glued board

Glued board of the invention is at least from upper successively with the glued board of first layer and the second layer, which is characterized in that (1) above-mentioned first layer and the above-mentioned second layer are wood materials, and the thickness of (2) above-mentioned first layer is lower than 1.0mm, (3) above-mentioned second The specific gravity of layer is greater than the specific gravity of above-mentioned first layer.

When applying impact from first layer side, the second layer can also be accepted glued board of the invention as characterized above It is applied to the impact of first layer, thus, it is possible to inhibit the indenture amount eventually as glued board.Therefore, glued board energy of the invention Enough show excellent impact resistance.

In addition, in the present specification, " glued board " refers to using veneer made of being cut by peeler, slicer etc., Make the machine direction of the veneer mutually approximate right angle each other, by the planks that more pieces of veneers combine and lamination obtains.In addition, above-mentioned list Plate mode lamination more preferably that 3 pieces or more of odd number piece is mutually orthogonal with wood grain.

In addition, " specific gravity " in this specification is the value measured by measuring method below.That is, glued board is cut out Certain size, the size of such as 10 × 10cm (Fig. 4 A).At this moment the surface area of glued board is set as S (cm²).Above-mentioned 10 × 10cm in the case where, S 100cm².By the glued board cut out in drier under the conditions of 103 ± 2 DEG C of temperature It places 72 hours and makes it dry.Then, in the case where the layer as hydrometric measurement target is located at outmost surface layer (for example, first layer), the weight m0 (g) and thickness h 0 (cm) of the glued board after measurement is dry.It then, will be as measurement target Layer (first layer) from surface through-thickness prune and remove as measurement target layer a part, make as measurement mesh The thickness of target layer is thinning (Fig. 4 B).Measurement removes the weight m1 of the glued board after a part as the layer of measurement target (g) and thickness h 1 (cm).Specific gravity G according to said determination value, based on formula below measurement as the layer of measurement target.

G=[m0 (g)-m1 (g)]/[(h0 (cm)-h1 (cm)) × S (cm²)] (formula)

In addition, in above-mentioned formula, unit g/cm³, but omit the unit and be set as specific gravity.

In addition, in the case where the layer as measurement target is not located at the outmost surface layer of glued board (for example, Fig. 5 A The second layer 22), as long as by the layer (for example, first layer) for the outmost surface layer side for being stacked on layer as measurement target from surface Through-thickness is pruned and is all removed, and makes to pass through above-mentioned measurement as the layer outmost surface layer (Fig. 5 B) of measurement target Method removes a part of the layer as measurement target, keeps the thickness of the layer as measurement target thinning (Fig. 5 C), measures ratio Weight.

In addition, glued board arbitrarily to be cut out to 3 pieces and calculates respective ratio by above-mentioned method when measuring specific gravity 3 pieces of the average value, is set as the measured value of specific gravity by weight G.In addition, specific gravity is to be measured in the part in addition to burl as base Plinth.

(first layer)

As first layer, as described later, as long as the specific gravity of the second layer is greater than the specific gravity of first layer, the kind of trees Class does not limit.As first layer, preferably broad leaf tree veneer.Specifically, can enumerate as first layer as fast-growing tree Poplar veneer, Malacca veneer etc..Among these, flatness higher and surface specific gravity in low-gravity it is excellent, On this point burl is few, more preferable poplar veneer.In addition, as poplar veneer, can suitably use use in domestic poplar The poplar veneer of tree.

In addition, in the present specification, " poplar " refers to the Lombardy poplar or eastern cottonwood, Populus nigra represented by Salicaceae Deng also including their nursery or interspecific hybrid.In addition, also including the America whitewood etc. for being known as boxtree of Magnoliaceae.

In addition, in the present specification, " in domestic poplar " refers to is known as Italian poplar or tropical poplar, in mostly The fast-growing tree poplar of state's country's breeding, forest cultivation.

As long as the specific gravity of first layer is less than the specific gravity of the aftermentioned second layer, it is not particularly limited.The specific gravity of first layer Preferably shorter than 0.50, in addition, can enumerate more than 0.40 or more, 0.42 or more, 0.45 or more, make as preferred lower limit value For preferred upper limit value, 0.48 or less, 0.47 or less can be enumerated.In addition, as its range, particularly preferably 0.42 or more 0.47 or less.By making the specific gravity of its above range, glued board of the invention shows superior impact resistance.

The thickness of first layer is lower than 1.0mm.When first layer is with a thickness of 1.0mm or more, first layer is born from glued board The major part of impact that applies of first layer side, the indenture amount of first layer becomes larger, thus due to the recess and appearance is deteriorated.The One layer of thickness is preferably 0.9mm hereinafter, more preferably 0.8mm or less.In addition, the thickness of first layer be preferably 0.3mm with On, more preferably 0.4mm or more, further preferably 0.5mm or more, particularly preferably 0.6mm or more.When the thickness of first layer It is light to further suppress burl, wood grain or crackle from the surface of the glued board identification second layer, notch etc. in above range for degree Micro- bumps.In addition, the thickness range as first layer, particularly preferably 0.6mm or more 0.8mm or less.

Preferably burl is not significant on the surface for first layer, and then particularly preferably without burl.Due to the surface of first layer Burl is not significant or do not have burl, and the flatness on the surface of glued board of the invention further increases.In addition, in first layer In the case where surface has burl, it is also preferred that fewer than the burl of the second layer.

(second layer)

As the second layer, as long as specific gravity is greater than the specific gravity of first layer, the type of trees is not limited.As Two layers, on this point specific gravity is higher, preferred eucalyptus veneer.

The specific gravity of the second layer is greater than the specific gravity of first layer.The specific gravity of the second layer is preferably 0.50 or more, and more preferably 0.55 More than.In addition, as upper limit value, preferably 0.90 hereinafter, more preferably 0.75 hereinafter, further preferably 0.65 hereinafter, into And especially preferably less than 0.60.Specific gravity by the range for keeping its above-mentioned, glued board of the invention show superior resistance to punching Excellent machinability when hitting property or processing.In addition, the range of the specific gravity as the second layer, particularly preferably 0.55 or more and Lower than 0.60.

The thickness of the second layer is not particularly limited, preferably 1.0mm or more, more preferably 1.3mm or more.Work as the second layer Thickness lower limit in above range, glued board of the invention shows superior impact resistance.

The second layer can also have burl in at least part on surface.Glued board of the invention has above-mentioned first layer, Therefore, even if being also able to suppress in the second layer in the case where at least part on surface has burl from the surface of glued board Recognize the burl.

The layer structure of glued board of the invention at least has first layer and the second layer, as long as glued board is used in several pieces of fitting Thin plate, that is, veneer of log skiving, is not particularly limited.In glued board of the invention, more preferable above-mentioned veneer will be odd Several pieces are bonded in the mutually orthogonal mode of wood grain.

As long as glued board of the invention successively has first layer and the second layer at least from upper, or have The layer structure of other layers of wood.As such layer structure, can enumerate using first layer as outmost surface, in the first layer Under the lamination second layer, further in its lower other layer of wood of lamination, the layer structure of the layer of wood with odd number.As in this way Layer structure, for example, can enumerate as the glued board 1 of Fig. 1, Cong Shangqi successively has 11/ second layer 12/ of first layer The glued board of three layers 13/ the 4th layer of 14/ layer 5s 15；As the glued board 2 of Fig. 2, Cong Shangqi successively has first layer 21/ The glued board of the 4th layer of 24/ layer 5,25/ layer 6,26/ layer 7 27 of 22/ third layer 23/ of the second layer.The layer of wood of glued board Not limited to schedule 5 layers or 7 layers, or random layer, preferably 3~9 layers, more preferably 5~7 layers.In addition, in energy On this point of enough further suppressing the bending of glued board, the number of the layer of wood of above-mentioned glued board is preferably odd number.

The overall thickness of glued board is not particularly limited, be considered as built-in material use when construction easiness when, preferably For 5.0mm or more 30.0mm hereinafter, as lower limit value, more preferably 5.5mm or more, particularly preferred 7.5mm or more, 9.0mm with On.In addition, more preferably 15.5mm is hereinafter, further preferably 12.5mm or less as upper limit value.In addition, particularly preferably For 9.0mm or more 12.5mm thickness below, at this point, the number of plies of above-mentioned layer of wood is preferably 5~7 layers, particularly preferably 7 layers. In addition, when for the thickness of 15mm or so, particularly preferably 9 layers.In addition, such as parlor or corridor flooring material is general The thickness of wood floors material is typically about 8mm, about 12mm, about 15mm etc..In addition, in the aftermentioned design level of lamination, packet The design level is included, whole thickness is generally formed as about 8mm, about 12mm, about 15mm.

In the glued board 1 of above-mentioned Fig. 1, the veneer of the trees of identical type can be used referred to as so-called face's The layer 5 15 at the back side of the first layer 11 on surface and referred to as so-called back.The veneer that the trees of identical type can be used is made It is the second layer 12 to the 4th layer 14, the trees with 15 identical type of first layer 11 and layer 5 can also be used in third layer 13 Veneer.In addition, it is preferable to use the veneers of the trees of identical type for the second layer 12 and the 4th layer 14.To the glue of such Fig. 1 The specific layer structure of plywood is illustrated, then can enumerate successively has poplar veneer/eucalyptus veneer/poplar single from upper Plate/eucalyptus veneer/poplar veneer layer structure has poplar veneer/eucalyptus veneer/eucalyptus veneer/eucalyptus veneer/poplar single Layer structure of plate etc..

In the glued board 2 of above-mentioned Fig. 2, the veneer of the trees of identical type can be used referred to as so-called face's The layer 7 27 at the back side of the first layer 21 on surface and referred to as so-called back.Use the veneer of the trees of identical type as Two layer 22 to layer 6 26, it is preferable to use the veneer of the trees of identical type is as first layer 21, third layer 23, layer 5 25 With layer 7 27.In addition, it is preferable to use the veneers of the trees of identical type for the second layer 22, the 4th layer 24 and layer 6 26.Make For the specific layer structure of the glued board of such Fig. 2, can enumerate successively has poplar veneer/eucalyptus veneer/poplar from upper It sets veneer/eucalyptus veneer/poplar veneer/eucalyptus veneer/poplar veneer layer structure, there is poplar veneer/eucalyptus veneer/eucalyptus It sets veneer/eucalyptus veneer/eucalyptus veneer/eucalyptus veneer/poplar veneer layer structure, there is poplar veneer/eucalyptus veneer/eucalyptus Set veneer/poplar veneer/eucalyptus veneer/eucalyptus veneer/poplar veneer layer structure.

Glued board of the invention can use and with design level progress lamination as ornament materials.As design level, It is not particularly limited, as long as design can be assigned to ornament materials, be not particularly limited, for example, can enumerate by inciting somebody to action The cosmetic sheet of the compositions such as prominent plate (prominent plate) or synthetic resin that natural Wooden slice obtains.Glued board of the invention is above-mentioned Structure, therefore, excellent impact resistance.Therefore, glued board of the invention is with design layer laminate and when as ornament materials, For example, not needing the design level of the thickness using 1mm or more, the difference of the linear expansivity because of design level and glued board can be inhibited Bending is generated Deng caused shrinkage stress.As a result, glued board of the invention by with design layer laminate, floor can be used as It is suitably used with ornament materials with glued board.

It as the manufacturing method of ornament materials, is not particularly limited, can be manufactured by currently known method. As above-mentioned manufacturing method, such as the manufacturer of the process including the first layer superimposed layer design level in glued board can be enumerated Method.

It as the method for the first layer superimposed layer design level in above-mentioned glued board, is not particularly limited, can enumerate directly Printing or transfer, further via method of adhesive layer lamination these layers etc..As the bonding agent for forming adhesive layer, example Such as, it can enumerate with polyvinyl acetate, polyvinyl chloride, vinyl chloride vinyl acetate copolymer, urethanes, third Olefin(e) acid, urethane-acrylic, urethane-acrylic copolymer, ethylene-acrylic acid copolymer, from Polymers, butadiene-propylene nitrile rubber, neoprene, natural rubber etc. be effective component water-soluble emulsion system or solvent system, The bonding agent of the reactive hot-melt system illustrated in PUR.It is preferred water-soluble newborn on this point in handling easiness among these On this point of liquid system bonding agent, reactive hot-melt system bonding agent, excellent appearance after lamination procedure more preferable reactive hot-melt It is bonding agent.As the curing method of above-mentioned bonding agent, it is solid that the solidification of 1 liquid type, 2 liquid type solidifications, heat cure, moisture can be enumerated The ionizing radiation curables such as change, electron beam or ultraviolet light.The thickness of adhesive layer does not limit, and preferably 0.1~50 μm or so.

As above-mentioned ornament materials, the ornament materials that can be listed below successively has first layer and at least from upper Two layers of glued board has design level on above-mentioned first layer, wherein

(2) thickness of above-mentioned first layer is lower than 1.0mm,

Above-mentioned glued board is able to use above explained glued board of the invention.In above-mentioned ornament materials, in above-mentioned gluing There is design level on the first layer of plate.That is, the phase in above-mentioned ornament materials, in the side for having the second layer with lamination of first layer The face superimposed layer tossed about has design level.

Fig. 6 indicates an example of above-mentioned ornament materials.Fig. 6 is the two-sided figure for indicating an example of ornament materials.It is recorded in Fig. 6 Ornament materials on the first layer 21 of glued board 2 stack-design layer 5 and formed.The ornament materials recorded in Fig. 6 is to gluing Plate implements tenon processing, has towards the upside of paper protrusion outstanding, that is, tenon A and the recess portion for the downside for being formed in paper i.e. Female tenon B.The ornament materials recorded in Fig. 6 can make tenon A and female tenon B coincide and implement joggle, energy by implementing tenon processing It is enough further preferably to be used as decorating material for flooring.

Design level is illustrated below.

(design level)

As design level, as long as design can be assigned to glued board of the invention, it is not particularly limited, for example, The prominent plate for obtaining natural Wooden slice can be enumerated；Melamine decorative board etc. will contain the resin for being soaked with thermosetting resin Resin decorative sheet containing impregnated paper laminated forming at high temperature under high pressure；The cosmetic sheet being made of synthetic resin etc..In addition to this Decorative pattern can be set by colouring or printing on the surface of glued board, alternatively, it is also possible to form design by describing Pattern.

In addition, in the present specification, plate of dashing forward is by timber such as oak, birch with the left and right 0.2mm or more 0.6mm or less Thickness is thinly sliced the rare natural boards of the beautiful wood grain of obtained holding.Furthermore it is possible to be applied on the surface of prominent plate The aftermentioned sealer of cloth.

As the thermosetting resin for resin decorative sheet, the resin of currently known heat curing type can be widely used.Make For thermosetting resin, for example, melamine resin, unsaturated polyester resin, phenolic resin, phthalic acid two can be enumerated Allyl ester resin etc..As such design level, can enumerate as the permeable paper of tool, synthetic paper, nothing containing impregnated paper It will be overlapped simultaneously containing the resin decorative sheet for being soaked with above-mentioned thermosetting resin with single-layer or multi-layer on the fiber base material of the sheets such as woven fabric The layer formed at high temperature under high pressure.

In ornament materials of the invention, the preferred cosmetic sheet of design level, more preferable synthetic resin cosmetic sheet.In this theory In bright book, synthetic resin cosmetic sheet is that the most layer of composition cosmetic sheet is the cosmetic sheet being made of synthetic resin, includes Thermoplastic resin or thermosetting resin, as described later, the layer of a part such as sealer also may include synthetic resin with The additives such as outer inorganic filler, organic matter.

The overall thickness of design level is not particularly limited, preferably 0.10mm or more, more preferably 0.25mm or more, into one Step is preferably 0.30mm or more.When the lower limit of the overall thickness of design level is above range, the impact resistance of ornament materials is into one Step improves.In addition, the overall thickness of design level is preferably 1.0mm hereinafter, more preferably 0.7mm is hereinafter, further preferably 0.6mm is hereinafter, particularly preferably 0.45mm or less.It, can be into one when the upper limit of the overall thickness of design level is above range Step inhibits the bending of ornament materials.In addition, particularly preferably 0.25mm or more 0.45mm or less.

By using cosmetic sheet as above-mentioned design level, the impact resistance of ornament materials can be made to further increase, it is weather-proof Property, excellent water resistance.The structure of cosmetic sheet is concretely demonstrated below.

The structure of cosmetic sheet is not particularly limited, for example, it is preferable to successively have substrate sheets, pattern layer (full coat ink layer, Decorative pattern ink layer), transparent adhesive layer, transparent resins layer and sealer.In addition, being also able to use successively has The structure of substrate sheets, pattern layer (full coat ink layer, decorative pattern ink layer) and sealer.In turn, it is also preferred that the conjunction of such as Fig. 7 A Like that at resin cosmetic sheet 6 (a) and the synthetic resin cosmetic sheet 6 (b) of Fig. 7 B, preferably in synthetic resin substrate layer Successively there is substrate sheets 612, pattern layer (full coat ink layer, decorative pattern ink layer) 613, transparent adhesive layer (not to scheme on 611 Show), transparent resins layer 614 and sealer 615.Hereinafter, the exemplary illustration design level.In addition, synthetic resin system serves as a contrast Bottom lamination in a manner of being located at the back side of design level is to mitigate the influences of concave-convex surfaces such as wood substrate and to design level Itself assigns the plastic layer of impact resistance, a part of Construction designing layer.

(substrate sheets)

As substrate sheets, one or more kinds of laminated bodies of material: 1) thin paper, good quality paper, ox can be listed below Enhance the paper such as paper between mulberry paper, Japan paper, titanium paper, resin impregnated paper, paper, 2) by wood fibre, glass fibre, asbestos, polyester fibre The woven fabric or non-woven fabrics of the compositions such as dimension, vinylon fibre, rayon fiber, 3) polyolefin, polyacrylic acid, polyamide, gather polyester The synthetic resins such as urethane, polystyrene.Wherein synthetic resin preferably 3).

The thickness of substrate sheets is preferably 20~300 μm or so.Substrate sheets also can according to need and be coloured.In addition, It can implement the surface treatment such as Corona discharge Treatment, corona treatment, ozone treatment to surface, can also be coated with for mentioning High bottom coating, that is, priming paint with the adaptation of adjacent layer.

(pattern layer)

Pattern layer is made of decorative pattern ink layer and/or full coat ink layer.Pattern layer can pass through intaglio printing, graph The print processes such as brush, silk-screen printing are formed.The decorative pattern of decorative pattern ink layer can for example enumerate wood grain decorative pattern, stone pattern decorative pattern, woven design flower Line, dermatoglyph decorative pattern, geometry decorative pattern, text, mark, stick figure, various abstract patterns etc..Full coat ink layer passes through coloring printing ink Full coat printing and obtain.Pattern layer is made of the one or two of decorative pattern ink layer and full coat ink layer.

As the ink for pattern layer, it is able to use following ink: as vehicle, by haloflex, chlorination Polyurethane, the polyacrylic acid, polyvinyl acetate that the chloridized polyolefins such as polypropylene, polyester, isocyanates ester are constituted with polyalcohol The mixing such as ester, polyvinyl chloride, vinyl chloride vinyl acetate copolymer, celluosic resin, polyamide it is one or two kinds of with Upper use is added pigment, solvent, various adjuvants etc. wherein and ink forms.Wherein, from environmental problem, with printed Polyurethane, the polypropylene, polyamide that the consideration of the viewpoints such as the adaptation of brush finish, preferably polyester, isocyanates ester and polyalcohol are constituted The mixture of the one or more such as resin.

(transparent adhesive layer)

Transparent adhesive layer is set as needed between pattern layer and transparent resins layer.Transparent adhesive layer Such as it by dry lamination bonding agent well known to 2 solution curing type urethane resins of coating etc. and can make it dry To obtain.

Thickness after transparent adhesive layer is dry is preferably 0.1~30 μm or so, and more preferably 1~5 μm or so.

(transparent resins layer)

As long as the resin layer of the transparent resins layer transparency, there is no particular limitation, for example can be by the heat of the transparency Plastic resin is properly formed.

Specifically, soft, semi-rigid or hard polyvinyl chloride can be enumerated, polyethylene terephthalate, gathered to benzene Dioctyl phthalate butanediol ester, polyamide, polyethylene, polypropylene, vinyl-vinyl acetate copolymer, ethylene-acrylic acid copolymer The synthetic resin such as object, vinyl-acrylate copolymer, ionomer, acrylate, methacrylate.Among the above, preferably For polyolefin-based resins such as polypropylene.

Transparent resins layer can also be coloured.In this case, as long as adding colorant to thermoplastic resin. The pigments or dyes used in pattern layer can be used as colorant.

It can also be containing filler, delustering agent, foaming agent, fire retardant, lubricant, antistatic in transparent resins layer The various additions such as agent, antioxidant, ultraviolet absorbing agent, light stabilizer, radical scavenger, soft composition (for example, rubber) Agent.

(sealer)

Sealer (transparent sealer) be in order to design level assign require marresistance, abrasiveness, The surface physical properties such as water resistance, stain resistance and be arranged.As the resin for forming the sealer, heat curing type is preferably comprised At least one of the gel-type resins such as resin or ionizing radiation curing type resin.In particular, from high surface hardness, productivity etc. Viewpoint consideration, preferably ionizing radiation curing type resin.In turn, from the viewpoint of it weatherability can be made to further increase, most It is preferred that electronic beam solidified resin.

As thermosetting resin, for example, unsaturated polyester resin can be enumerated, polyurethane resin (also includes that 2 liquid solidify Type polyurethane), epoxy resin, amino-alkyd resin, phenolic resin, urea resin, diallyl phthalate resin, three Cymel, guanamine resin, melamine-urea condensation resin, silicone resin, polyorganosiloxane resin etc..

The curing agent such as crosslinking agent, polymerization initiator, polymerization accelerant can be added in above-mentioned resin.For example, as solid Agent can add isocyanates, organic sulfonate etc. in unsaturated polyester resin or polyurethane resin etc., can be in ring Organic amine etc. is added in oxygen resin, and the peroxide such as methyl ethyl ketone peroxide, azo two can be added in unsaturated polyester resin The radical initiators such as isobutyronitrile.

As the method for forming sealer by thermosetting resin, for example, can enumerate the solution of thermosetting resin It is coated, and made it dry, cured method by rubbing methods such as rolling method, gravure coating process.Coating as solution Amount, substantially 5~50 μm in terms of solid component, preferably 5~40 μm or so.

As long as ionizing radiation curing type resin generates cross-linking polymerization by the irradiation of ionising radiation and is changing into three The resin for tieing up macromolecular structure, does not limit.For example, be able to use in the molecule have can be by ionising radiation Irradiation and the polyunsaturated bond or the prepolymer of epoxy group, oligomer and the monomer that are crosslinked more than one.For example, can be with Enumerate the silicon tree such as the acrylic resins such as urethaneacrylates, polyester acrylate, epoxy acrylate, siloxanes Rouge, polyester resin；Epoxy resin etc..

As ionising radiation, there are ultraviolet light (near ultraviolet ray, vacuum ultraviolet etc.), X-ray, electron beam, ion line etc., Wherein preferred ultraviolet light, electron beam, more preferable electron beam.

As ultraviolet source, be able to use ultrahigh pressure mercury lamp, high-pressure sodium lamp, low pressure mercury lamp, carbon arc lamp, biuret light fluorescent lamp, The light source of metal halide lamp.Wavelength as ultraviolet light is 190~380nm or so.

As electron beam source, for example, Cockcroft-Wall type, Fan get Ge loudspeaker husband type, resonance transformer type, absolutely Edge core transformer type, linear type, nanometer (dynamitron) type, high-frequency type etc. various electron ray accelerators.As electricity The energy of beamlet, preferably 100~1000keV or so, more preferably 100~300keV or so.The exposure of electron beam is preferred For 2~15Mrad or so.

Ionizing radiation curing type resin sufficiently solidifies as long as irradiating electron beam, excellent when irradiating ultraviolet light makes its solidification Choosing addition Photoepolymerizationinitiater initiater (sensitizer).

Photoepolymerizationinitiater initiater when with the resinae of free-radical polymerised unsaturated group, for example, being able to use benzene Ethyl ketone class, benzophenone, thioxanthene ketone class, benzoin, benzoin methylether, meter Qi Le benzoylbenzoic acid ester, meter Qi Le ketone, At least one such as diphenyl sulfide, dibenzyl disulfide, ether, triphenyl bisglyoxaline, isopropyl-N, N- dimethyl aminobenzoate. In addition, in the case where the resin system with cationically polymerizable functional group, for example, be able to use aromatic diazonium salt, Aromatic series sulfonium salt, metallocene compound, benzoin sulphonic acid ester, furans oxygroup sulfoxonium diallyl iodoso salt etc. at least one Kind.

The additive amount of Photoepolymerizationinitiater initiater is not particularly limited, usually relative to 100 mass of ionizing radiation curing type resin Part is 0.1~10 mass parts or so.

As the method for forming protective layer by ionizing radiation curing type resin, such as by ionizing radiation curing type resin Solution is coated by rubbing methods such as gravure coating process, rolling methods.As the coating weight of solution, in terms of solid component Substantially 5~50 μm, preferably 5~40 μm or so.

When further assigning marresistance, abrasiveness to the sealer formed by ionizing radiation curing type resin, As long as cooperating inorganic filling material.As inorganic filling material, for example, powdered aluminium oxide, carbonization can be enumerated Silicon, silica, calcium titanate, barium titanate, pyroboric acid magnesium, zinc oxide, silicon nitride, zirconium oxide, chromium oxide, iron oxide, nitridation Boron, diamond, diamond dust, glass fibre etc..

It is 1~80 matter relative to 100 mass parts of ionizing radiation curing type resin as the additive amount of inorganic filling material Measure part or so.

(synthetic resin substrate layer)

As shown in figures 7 a and 7b, preferably above-mentioned synthetic resin cosmetic sheet is in synthetic resin cosmetic sheet 6 (a) and 6 (b) the glued board side of lowest level, i.e. design level has synthetic resin substrate layer 611.By with synthetic resin substrate Layer, can be such that the impact resistance of ornament materials of the invention further increases.

As the resin for constituting synthetic resin substrate layer, for example, polypropylene, ethylene vinyl alcohol copolymer can be enumerated The high polyalkylene terephthalates of object, polymethylene, polymethylpentene, polyethylene terephthalate, heat resistance (for example, the poly terephthalic acid second that a part of ethylene glycol is obtained with substitutions such as Isosorbide-5-Nitrae-cyclohexanedimethanols or diethylene glycol Diol ester, so-called trade name PETE-G (Eastman Chemical Company manufacture)), poly terephthalic acid fourth two Alcohol ester, polyethylene naphthalate, polyethylene naphthalate-isophthalic copolymers, polycarbonate, poly- virtue Ester, polyimides, polystyrene, polyamide, ABS etc..These resins can use alone or in any combination.

The thickness of synthetic resin substrate layer is preferably 0.10~0.60mm, as lower limit value, further preferably 0.13 Above, 0.15 or more, as upper limit value, further preferably 0.45 or less, 0.30 or less, 0.25 or less, 0.20 or less.It is logical The lower limit for crossing the thickness of synthetic resin substrate layer is above range, and the impact resistance of ornament materials further increases.In addition, The upper limit by the thickness of synthetic resin substrate layer is above range, further suppresses the bending of ornament materials.In addition, 0.13~0.25mm is particularly preferred range.

The lamination of each layer can for example carry out by the following method: form pattern by printing in a face of substrate sheets After layer (full coat ink layer, decorative pattern ink layer), by stacked laminated transparents resins such as T mould extrusion moldings in pattern layer, or will Transparent resins layer passes through dry lamination via dry lamination bonding agent well known to 2 solution curing type urethane resins etc. Method lamination, and then sealer is formed, design level intermediate is made, the synthetic resin of the production such as T mould extrusion molding will be passed through Layer substrate layer and design level intermediate pass through hot pressing layer progress lamination.

In cosmetic sheet, can also be formed and implementing embossing processing from transparent resins layer side or sealer side Ridge design.Ridge design can be formed by hot pressing, wire drawing finishing etc..As ridge design, can enumerate conduit trough, Stone plate surface bumps, cloth surface texture, pears line, sand streak, hairline, ten thousand wire casings etc..

Cosmetic sheet is above-mentioned structure, therefore, is being stacked on glued board of the invention, when forming ornament materials, impact resistance Property it is excellent, can inhibit bending and glued board cracking.Therefore, above-mentioned ornament materials can be suitable as decorating material for flooring It uses.

2. the manufacturing method of glued board

The manufacturing method of glued board is the manufacturer of the glued board at least from upper successively with first layer and the second layer Method includes

(I) process 1 of the above-mentioned first layer of lamination and the above-mentioned second layer；With

(II) after above-mentioned operation 1, the surface of above-mentioned first layer is ground, by the thickness tune of above-mentioned first layer The whole process 2 for lower than 1.0mm,

Wherein, in the glued board,

(2) thickness of above-mentioned first layer is lower than 1.0mm,

The manufacturing method is known as manufacturing method 1.

(process 1)

Process 1 is the process of lamination first layer and the second layer.About above-mentioned first layer and the above-mentioned second layer and their thickness Degree, specific gravity are identical as the content illustrated in above-mentioned glued board.

It as the method for lamination first layer and the second layer, is not particularly limited, as long as being applied between first layer and the second layer Cloth bonding agent carries out lamination, and using multistage hot press equipressure machine in 0.69~1.18MPa of pressure or so, temperature 100~130 DEG C or so under conditions of carry out 3~7 minutes or so hot pressing compacting carry out lamination.

As illustrated in fig. 1 and 2, the case where glued board has first layer and the second layer and layer of wood in addition to this Under, as long as the interlayer coating adhesive in each layer carries out lamination, is suppressed by above-mentioned hot pressing and carry out lamination.In addition, being used for The bonding agent of each interlayer does not show in Fig. 1 or Fig. 2 and is omitted.In addition, not being included in by the adhesive layer that bonding agent is formed It is formed in the layers such as first layer~layer 7 of above explained glued board of the invention.

It as bonding agent, is not particularly limited, well known carpenter's bonding agent can be widely used.As bonding agent, example Such as, it can enumerate polyvinyl acetate, polyvinyl chloride, vinyl chloride-vinyl acetate copolymer, ethylene-acrylic acid copolymer The bonding agent as effective component such as object, ionomer, butadiene-propylene nitrile rubber, neoprene, natural rubber.In addition, making For heat curing type bonding agent, the bonding such as melamine series, phenolic aldehyde system, Urea Series (vinyl acetate-Urea Series etc.) can be enumerated Agent.

By process 1 described above, lamination first layer and the second layer and layer of wood furthermore.

(process 2)

Process 2 is to grind after process 1 to the surface of first layer, and the thickness of first layer is adjusted to be lower than The process of 1.0mm.Through process 1 after lamination first layer and the second layer, ground by surface of the process 2 to first layer Mill, thereby, it is possible to so that the thickness of first layer is homogenized.

As the grinding method that the surface to first layer is ground, be not particularly limited, be able to use abrasive band, planer, Polishing wheel, brush etc. are ground.Wherein, can make grinding after first layer smooth surface on this point, it is preferable to use The grinding method in abrasive band.

In process 2, as long as the thickness of the first layer after grinding is lower than 1.0mm, the thickness of the first layer before grinding It may be 1.0mm or more.The thickness of first layer before grinding is not particularly limited, preferably 0.8~1.3mm or so.

In process 2, can also also there be the glued board of production to lamination while the surface to first layer is ground The layer of wood in face of opposite side in face of first layer ground, adjust thickness.For example, as shown in Figure 1, existing in glued board 1 In the case that the face of the opposite side of first layer 11 has layer 5 15, it can also be ground on the surface to first layer 11 Also the surface of layer 5 15 is ground simultaneously.In addition, as shown in Fig. 2, glued board 2 first layer 21 opposite side It, can also be while the surface to first layer 21 be ground also to layer 7 27 in the case that face has layer 7 27 It is ground to adjust whole thickness etc. on surface.

By process 2 described above, the thickness of first layer is adjusted to lower than 1.0mm.

In addition, the manufacturing method of glued board is the system of the glued board at least from upper successively with first layer and the second layer Method is made, is included

(I) prepare to air-dry the poplar veneer below of specific gravity 0.40 or more 0.47 as above-mentioned first layer and prepare to air-dry ratio Weigh process 1 of 0.50 or more the 0.90 eucalyptus veneer below as the above-mentioned second layer；

(II) process 2 of the above-mentioned first layer of lamination and the above-mentioned second layer；With

(III) after above-mentioned operation 2, the surface of above-mentioned first layer is ground, by the thickness tune of above-mentioned first layer The whole process 3 for lower than 1.0mm.

The manufacturing method is known as manufacturing method 2.

Process 1 in manufacturing method 2 be prepare air-dry 0.40 or more 0.47 or less poplar veneer of specific gravity as first layer with Prepare to air-dry process of the eucalyptus veneer below of specific gravity 0.50 or more 0.90 as the second layer.In manufacturing method 2, prepare wind Dry specific gravity is the first layer and the second layer of above range, is supplied to process 2 described below.

Process 2 and 3 in manufacturing method 2 is in addition to using the air-dried specific gravity prepared by above-mentioned operation 1 for above range It is identical as the process 1 and 2 in above-mentioned manufacturing method 1 other than first layer and the second layer.In manufacturing method 2, by One layer using air-dry the poplar veneer below of specific gravity 0.4 or more 0.47, the second layer using air-dry specific gravity 0.50 or more 0.90 with Under eucalyptus veneer, the glued board of excellent impact resistance can be manufactured.

In addition, in the present specification, air-dried specific gravity, which refers to, calculates the weight of the timber in air dried condition divided by its volume Specific gravity out, air dried condition refer to the state of timber when moisture content is 15%.

By manufacturing method 2 described above, the glued board of excellent impact resistance can be manufactured.

2. the manufacturing method of ornament materials

It as the manufacturing method of ornament materials, is not particularly limited, can be manufactured by currently known method.As Above-mentioned manufacturing method, for example, the manufacturing method of the process including the first layer superimposed layer design level in glued board can be enumerated.

As the method for the first layer superimposed layer design level in above-mentioned glued board, be not particularly limited, can enumerate via The method etc. of these layers of adhesive layer lamination.As the bonding agent for forming adhesive layer, for example, can enumerate poly- acetic acid second Enester, polyvinyl chloride, vinyl chloride vinyl acetate copolymer, ethylene-acrylic acid copolymer, ionomer, butadiene-the third The bonding agent as effective component such as alkene nitrile rubber, neoprene, natural rubber.The thickness of adhesive layer does not limit especially It is fixed, preferably 0.1~50 μm or so.

Ornament materials is manufactured in the first layer superimposed layer design level of glued board by process described above.

Embodiment

Hereinafter, illustrative embodiments and comparative example, are described in more detail the present invention.But the present invention is not limited to embodiments.

In addition, the specific gravity of each layer is measured from the glued board of production in embodiment below, comparative example, it is as a result as follows.

Poplar veneer: 0.43

Eucalyptus veneer: 0.55

Embodiment 1

(production of glued board)

The poplar veneer of thickness 1.3mm, specific gravity 0.43 are prepared as by the way that poplar to be sliced as first layer.Separately Outside, prepared as the second layer by the way that eucalyptus to be sliced with a thickness of 2.7mm, the eucalyptus veneer of specific gravity 0.55.In addition, making For third layer, layer 5, layer 7, prepare poplar veneer identical with above-mentioned first layer, as the 4th layer, layer 6, prepares Eucalyptus veneer identical with the second layer.By the poplar veneer prepared and eucalyptus veneer with the grain direction of adjacent layer of wood Orthogonal mode is followed successively by poplar veneer/eucalyptus veneer/poplar veneer/eucalyptus via Urea Series bonding agent to be formed from upper Veneer/poplar veneer/eucalyptus veneer/poplar veneer layer structure mode lamination is set from first layer to layer 7, is prepared wooden The laminated body of layer.

The laminated body of above-mentioned layer of wood is hot under conditions of pressure 0.78MPa, 110 DEG C of temperature using multistage hot press Pressure compacting 5 minutes, is bonded each layer.Suppressed by hot pressing, the thickness of poplar veneer become 1.2mm, eucalyptus veneer thickness at For 2.5mm, the overall thickness of laminated body is 12.3mm.

To first layer and the 7th in such a way that the thickness of first layer becomes 0.9mm, the overall thickness of glued board becomes 11.5mm Layer frosted grinding.That is, each layer from first layer to layer 6 with a thickness of 0.9mm/2.5mm/1.2mm/2.5mm/1.2mm/ 2.5mm adjusts thickness and carrying out frosted grinding to layer 7, and the overall thickness for making glued board is the glued board of 11.5mm.

Embodiment 2

The type and thickness of the trees of first layer and the second layer are as shown in table 1, also, as from third layer to layer 7, Lamination veneer same as Example 1.That is, by each layer use system identical with above-described embodiment 1 from first layer to layer 7 It makes method to carry out lamination and carry out thickness adjustment, is set as poplar veneer 0.8mm/ eucalyptus veneer 2.5mm/ poplar veneer 1.2mm/ Eucalyptus veneer 2.5mm/ poplar veneer 1.2mm/ eucalyptus veneer 2.5mm, by being ground to the poplar veneer as layer 7 Sand grinds and adjusts thickness, makes the overall thickness 11.5mm of glued board.In addition to this it operates similarly to Example 1, production is glued Plate.

Embodiment 3

The type and thickness of the trees of first layer and the second layer are as shown in table 1, also, as from third layer to layer 7, Lamination veneer same as Example 1.That is, by each layer use system identical with above-described embodiment 1 from first layer to layer 7 It makes method to carry out lamination and carry out thickness adjustment, is set as poplar veneer 0.6mm/ eucalyptus veneer 2.5mm/ poplar veneer 1.2mm/ Eucalyptus veneer 2.5mm/ poplar veneer 1.2mm/ eucalyptus veneer 2.5mm, by being ground to the poplar veneer as layer 7 Sand grinds and adjusts thickness, makes the overall thickness 11.5mm of glued board.In addition to this it operates similarly to Example 1, production is glued Plate.

Embodiment 4

(production of glued board)

Prepared as first layer by the way that poplar to be sliced with a thickness of 1.4mm, the poplar veneer of specific gravity 0.43.In addition, making Prepared for the second layer by the way that eucalyptus to be sliced with a thickness of 2.7mm, the eucalyptus veneer of specific gravity 0.55.In addition, as third layer, Layer 5, layer 7 prepare poplar veneer identical with above-mentioned first layer, as the 4th layer, layer 6, preparation and the second layer Identical eucalyptus veneer.By the poplar veneer prepared and eucalyptus the veneer side orthogonal with the grain direction of adjacent layer of wood Formula is followed successively by poplar veneer/eucalyptus veneer/poplar veneer/eucalyptus veneer/poplar via Urea Series bonding agent to be formed from upper Veneer/eucalyptus veneer/poplar veneer layer structure mode lamination is set from first layer to layer 7, prepares the lamination of layer of wood Body.

The laminated body of above-mentioned layer of wood is hot under conditions of pressure 0.78MPa, 110 DEG C of temperature using multistage hot press Pressure compacting 5 minutes, is bonded each layer.Suppressed by hot pressing, poplar veneer with a thickness of become 1.3mm, eucalyptus veneer thickness As 2.5mm, the overall thickness of laminated body is 12.7mm.

The type and thickness of the trees of first layer and the second layer are as shown in table 1.That is, by each from first layer to layer 7 Layer is set as poplar veneer 0.3mm/ eucalyptus veneer 2.5mm/ poplar veneer 1.3mm/ eucalyptus veneer 2.5mm/ poplar veneer 1.3mm/ Eucalyptus veneer 2.5mm adjusts thickness and carrying out frosted grinding to the poplar veneer as layer 7, makes the total of glued board With a thickness of 11.5mm.In addition to this it operates similarly to Example 1, makes glued board.

Embodiment 5

(production of glued board)

Prepared as first layer by the way that poplar to be sliced with a thickness of 3.5mm, the poplar veneer of specific gravity 0.43.In addition, making Prepared for the second layer by the way that eucalyptus to be sliced with a thickness of 3.5mm, the eucalyptus veneer of specific gravity 0.55.In addition, as third layer, Layer 5 prepares poplar veneer identical with above-mentioned first layer, as the 4th layer, prepares eucalyptus veneer identical with the second layer. It is viscous via Urea Series by the poplar veneer prepared and eucalyptus the veneer mode orthogonal with the grain direction of adjacent layer of wood Agent is connect, is followed successively by poplar veneer/eucalyptus veneer/poplar veneer/eucalyptus veneer/poplar veneer layer structure from upper to be formed Mode lamination from first layer to layer 5, prepare the laminated body of layer of wood.

The laminated body of above-mentioned layer of wood is hot under conditions of pressure 0.78MPa, 110 DEG C of temperature using multistage hot press Pressure compacting 5 minutes, is bonded each layer.It is suppressed by hot pressing, the thickness of poplar veneer is made to become the thickness of 3.2mm, eucalyptus veneer As 3.2mm, the overall thickness of laminated body is 16.0mm.

The number of plies of glued board is set as 5 layers, the type and thickness of the trees of first layer and the second layer are as shown in table 1.That is, It is single that each layer from first layer to layer 5 is set as poplar veneer 0.9mm/ eucalyptus veneer 3.2mm/ poplar veneer 3.2mm/ eucalyptus Plate 3.2mm adjusts thickness and carrying out frosted grinding to the poplar veneer as layer 5, makes the overall thickness of glued board 11.5mm.In addition to this it operates similarly to Example 1, makes glued board.

Embodiment 6

The type and thickness of the trees of first layer and the second layer are as shown in table 1, also, as from third layer to layer 7, Lamination veneer same as Example 1.That is, by each layer use system identical with above-described embodiment 1 from first layer to layer 7 It makes method to carry out lamination and carry out thickness adjustment, is set as Malacca veneer 0.6mm/ eucalyptus veneer 2.5mm/ poplar veneer 1.2mm/ eucalyptus veneer 2.5mm/ poplar veneer 1.2mm/ eucalyptus veneer 2.5mm, by the poplar veneer as layer 7 It carries out frosted grinding and adjusts thickness, make the overall thickness 11.5mm of glued board.In addition to this it operates, makes similarly to Example 1 Make glued board.

Embodiment 7

(production of glued board)

The poplar veneer of thickness 1.3mm, specific gravity 0.43 are prepared as by the way that poplar to be sliced as first layer.Separately Outside, prepared as the second layer by the way that eucalyptus to be sliced with a thickness of 2.2mm, the eucalyptus veneer of specific gravity 0.55.In addition, making For layer 7, prepare poplar veneer identical with above-mentioned first layer, as third layer to layer 6, prepares identical as the second layer Eucalyptus veneer.By the poplar veneer prepared and eucalyptus the veneer mode orthogonal with the grain direction of adjacent layer of wood, Via Urea Series bonding agent, poplar veneer/eucalyptus veneer/eucalyptus veneer/eucalyptus veneer/eucalyptus is followed successively by from upper to be formed Veneer/eucalyptus veneer/poplar veneer layer structure mode lamination prepares the laminated body of layer of wood from first layer to layer 7.

The laminated body of above-mentioned layer of wood is hot under conditions of pressure 0.78MPa, 110 DEG C of temperature using multistage hot press Pressure compacting 5 minutes, is bonded each layer.Suppressed by hot pressing, the thickness of poplar veneer become 1.2mm, eucalyptus veneer thickness at For 2.0mm, the overall thickness of laminated body is 12.4mm.

To first layer and the 7th in such a way that the thickness of first layer becomes 0.8mm, the overall thickness of glued board becomes 11.5mm Layer frosted grinding.That is, each layer from first layer to layer 6 with a thickness of 0.8mm/2.0mm/2.0mm/2.0mm/2.0mm/ 2.0mm adjusts thickness and carrying out frosted grinding to layer 7, and the overall thickness for making glued board is the glued board of 11.5mm. In addition to this it operates similarly to Example 1, makes glued board.

Embodiment 8

(production of glued board)

The poplar veneer of thickness 1.3mm, specific gravity 0.43 are prepared as by the way that poplar to be sliced as first layer.Separately Outside, prepared as the second layer by the way that eucalyptus to be sliced with a thickness of 2.1mm, the eucalyptus veneer of specific gravity 0.55.In addition, making It is the 9th layer, prepares poplar veneer identical with above-mentioned first layer, as third layer to the 8th layer, prepares identical as the second layer Eucalyptus veneer.By the poplar veneer prepared and eucalyptus the veneer mode orthogonal with the grain direction of adjacent layer of wood, Via Urea Series bonding agent, poplar veneer/eucalyptus veneer/eucalyptus veneer/eucalyptus veneer/eucalyptus is followed successively by from upper to be formed Veneer/eucalyptus veneer/eucalyptus veneer/eucalyptus veneer/poplar veneer layer structure mode lamination from first layer to the 9th layer, Prepare the laminated body of layer of wood.

The laminated body of above-mentioned layer of wood is used into multistage hot press hot pressing under conditions of pressure 0.78MPa, 110 DEG C of temperature Compacting 5 minutes is bonded each layer.It is suppressed by hot pressing, the thickness of poplar veneer becomes 1.2mm, the thickness of eucalyptus veneer becomes 1.9mm, the overall thickness of laminated body are 15.7mm.

To first layer and the 7th in such a way that the thickness of first layer becomes 0.6mm, the overall thickness of glued board becomes 14.5mm Layer frosted grinding.That is, from first layer to the 8th layer of each layer with a thickness of 0.6mm/1.9mm/1.9mm/1.9mm/1.9mm/ 1.9mm/1.9mm/1.9mm adjusts thickness and to the 9th layer of progress frosted grinding, and the overall thickness for making glued board is 14.5mm glued board.

Comparative example 1

The type and thickness of the trees of first layer and the second layer are as shown in table 1, also, will be from first layer to layer 7 Each layer is set as poplar veneer 1.2mm/ eucalyptus veneer 2.5mm/ poplar veneer 1.2mm/ eucalyptus veneer 2.5mm/ poplar veneer 1.2mm/ eucalyptus veneer 2.5mm adjusts thickness and the poplar veneer to layer 7 carries out frosted grinding, makes glued board Overall thickness is 11.5mm.In addition to this it operates similarly to Example 1, makes glued board.

(evaluation)

The glued board of the embodiment and comparative example that make to as described above operate, is evaluated by the following method.

(1) impact resistance test (Du Pont's impact test)

According to " mechanical performance-third section of JISK5600-5-3 (1999) coating ordinary test method film: resistance to weight Code falling property Du Pont formula " in Du Pont's impact test for recording, make on the surface of the glued board obtained in embodiment and comparative example The impact head of the front end of semi-spherical shape with radius 6.35mm is stood, and falls the counterweight of 500g in the punching from height 300mm On tapping the head.The analyzer shown in Fig. 3 (the rugged production institute T2-127 of Co., Ltd.'s tail) measures indenture amount, according to following glue The evaluation criterion of plywood is evaluated.In this test, if glued board is the evaluation of B or more, it is evaluated as in actual use There is no problem.

[evaluation criterion of glued board]

A:600 μm or less

B: more than 600 μm and 700 μm or less

C: more than 700 μm

As a result shown in table 1.

[table 1]

Embodiment 9

(production of cosmetic sheet)

By gravure coating process by urethane fibers element resin (relative to urethanes and nitrocotton 100 parts by weight of mixture are added with 5 parts by weight of hexamethylene diisocyanate) 60 μ m-thicks crossed in two-sided Corona discharge Treatment One face of the coloured polypropylene film of degree forms back side prime coat.Back side prime coat is 1 μm.

Then, it (is added in 100 parts by weight of acrylic polyol using by urethane acrylate system resin 5 parts by weight of hexamethylene diisocyanate) as the printing ink of adhesive full coat ink layer is sequentially formed by intaglio printing With decorative pattern ink layer, the ink layer of wood grain and abstract patterns is formed.Ink layer is 3 μm.

Then, after applying urethanes system bonding agent in pattern layer, use T mould extruder by propylene from thereon Sour polyurethane resin forms transparent resins layer to squeeze out with a thickness of 80 μm of heating meltings.

Corona discharge Treatment is implemented to above-mentioned transparent resins layer, by applying third on gravure coating process at which reason face Olefin(e) acid urethanes system resin (is added with 5 weight of hexamethylene diisocyanate in 100 parts by weight of acrylic polyol Measure part), form sealer prime coat.Sealer prime coat is 1 μm.

The solidification of urethaneacrylates series electron beam is applied on sealer prime coat by rolling method Type resin, after dry, to uncured electronic emission line gel-type resin layer under the environment below oxygen concentration 200ppm Irradiating electron beam (acceleration voltage 175KeV, exposure 5Mrad) makes its solidification, is formed by electronic emission line gel-type resin structure At sealer.Sealer is 15 μm.

Then, embossing plate is abstracted with deep 50 μm of the wood grain conduit embossing plate of version or wood grain from sealer side to implement Embossing processing, forms wood grain catheter-like or wood grain is abstracted the ridge design of style, obtains in the design level with a thickness of 0.16mm Mesosome.

A-PET is supported into synthetic resin sheet (synthetic resin substrate layer) by coextruding method with T mould extruder.Substrate layer With a thickness of 0.25mm, Martens hardness 150N/mm²。

In the further sandwiched urethanes system adhesive layer of back side prime coat of design level intermediate, pass through dry type Laminating method lamination synthetic resin substrate layer makes the cosmetic sheet as design level.Cosmetic sheet with a thickness of 0.41mm.

(production of glued board)

It operates similarly to Example 1, makes glued board.

(production of ornament materials)

The face in the face of the synthetic resin substrate layer side of cosmetic sheet and the first layer side of glued board is passed through into reactive hot-melt It is (PUR) bonding agent (50 μm of thickness) fitting, is cut into defined size (145mm × 900mm), makes ornament materials.

Embodiment 10

It other than the thickness of substrate layer is set as 0.11mm, operates similarly to Example 9, makes cosmetic sheet.Cosmetic sheet With a thickness of 0.27mm.

Embodiment 11

It other than the thickness of substrate layer is set as 0.18mm, operates similarly to Example 9, makes cosmetic sheet.Cosmetic sheet With a thickness of 0.34mm.

Embodiment 12

(production of glued board)

It operates similarly to Example 1, makes glued board.

(production of ornament materials)

As the prominent plate for forming design level, prepare the prominent plate of the oak material of thickness 0.20mm.By prominent plate and glued board The face of first layer side is bonded via the phenolic aldehyde system bonding agent of heat curing type.

Then, 3 ammonia are coated on the surface of prominent plate according to the sequence of natural rolling method, reversed rolling method, natural rolling method Base urethane acrylates system UV curable paint is formed by 10g/m²Film constitute priming coat.Immediately in sky By there is electrode ultraviolet radiator to irradiate ultraviolet light in gas, solidify priming coat.

Then, it is formed on the solidified base coat layer by natural rolling method by 12g/m²Film constitute middle layer.It is vertical Solidify middle layer by there is electrode ultraviolet radiator to irradiate ultraviolet light in air.By No. 360 pouncing papers in cured Between layer surface ground, also, remove the powder that generates in grinding.

Then, it is formed in cured interlayer surfaces by 10g/m by natural rolling method²Film constitute upper painting Layer.In the case where oxygen concentration is 0.5% nitrogen atmosphere, irradiating ultraviolet light to upper coating by electrodeless uv lamp keeps it solid Change, forms sealer.It is cut into defined size (145mm × 900mm), makes ornament materials.The thickness of sealer Degree is 30 μm.

Embodiment 13

(production of glued board)

It operates similarly to Example 1, makes glued board.

(production of ornament materials)

As design level, the high-pressure melamine decorative panel of following methods production is ready to pass through to replace cosmetic sheet.That is, In grammes per square metre 30g/m²White titanium paper a face, use using urethanes system resin as the printing ink of adhesive, lead to It crosses intaglio printing and forms ink layer, printed patterns decorative pattern.Ink layer with a thickness of 3 μm.Then, preparation is by 50 mass parts trimerizations The compositions of thermosetting resin that cyanamide formaldehyde resin, 45 mass parts water and 5 mass parts isopropanols are constituted, with melamine resin As 100g/m²The mode of the ratio of (when dry), its impregnation is made using dipping device, and make it dry from pattern, Thus production melamine is impregnated with decorative panel.Then, making the resin combination being made of phenolic resin be impregnated in brown paper and Preparation, two pieces of grammes per square metre 245g/m²Phenolic resin impregnation core paper superimposed layer melamine be impregnated with decorative panel, make lamination Body.The laminated body is clipped with two pieces of pressing plates, using hot press in pressure 100kg/cm², 150 DEG C of forming temperature, retention time Hot briquetting is carried out under conditions of 10 minutes, is made high-pressure melamine decorative panel (thickness 0.4mm).

Cosmetic sheet is replaced using high-pressure melamine decorative panel.It will be in fitting high-pressure melamine decorative panel and glued board First layer side face when the bonding agent that uses be changed to water-soluble emulsion system bonding agent, make 35 μm of coating thickness.Except this it Outside, it operates similarly to Example 9, makes ornament materials.Water-soluble emulsion system bonding agent uses bonding agent below.

Water-soluble emulsion system bonding agent

Host agent: " BA-10L " Japan Coating Resin co., ltd. system, ethene improved-vinylacetate system

Curing agent: " BA-11B " Japan Coating Resin co., ltd. system, isocyanates ester system

Match ratio: Zhu Ji ︰ curing agent=100 ︰ 2.5 (mass ratio)

(evaluation)

The ornament materials of the reference example made to as described above operate carries out impact resistance examination by above-mentioned evaluation method It tests, measures indenture amount.

As a result it is shown in table 2.

[table 2]

According to the result of table 2 it is found that ornament materials shows excellent impact resistance.

Embodiment 14

It operates similarly to Example 2, makes glued board.In addition, operating similarly to Example 9, cosmetic sheet is made.It uses The glued board and cosmetic sheet, operate similarly to Example 9, by the face of the synthetic resin substrate layer side of cosmetic sheet and glued board First layer side face paste merge severing, make ornament materials.

Embodiment 15

It operates similarly to Example 3, makes glued board.In addition, operating similarly to Example 9, cosmetic sheet is made.It uses The glued board and cosmetic sheet, operate similarly to Example 9, by the face of the synthetic resin substrate layer side of cosmetic sheet and glued board First layer side face paste merge severing, make ornament materials.

Embodiment 16

It operates similarly to Example 4, makes glued board.In addition, operating similarly to Example 9, cosmetic sheet is made.It uses The glued board and cosmetic sheet, operate similarly to Example 9, by the face of the synthetic resin substrate layer side of cosmetic sheet and glued board First layer side face paste merge severing, make ornament materials.

Embodiment 17

It operates similarly to Example 5, makes glued board.In addition, operating similarly to Example 9, cosmetic sheet is made.It uses The glued board and cosmetic sheet, operate similarly to Example 9, by the face of the synthetic resin substrate layer side of cosmetic sheet and glued board First layer side face paste merge severing, make ornament materials.

Embodiment 18

It operates similarly to Example 6, makes glued board.In addition, operating similarly to Example 9, cosmetic sheet is made.It uses The glued board and cosmetic sheet, operate similarly to Example 9, by the face of the synthetic resin substrate layer side of cosmetic sheet and glued board First layer side face paste merge severing, make ornament materials.

The ornament materials of the embodiment 14~18 made to as described above operate is carried out resistance to by above-mentioned evaluation method Impact test, as a result it is found that the ornament materials of embodiment 14~18 also shows excellent impact resistance.

Symbol description

1,2,4 glued board

11,21 first layer

12,22 second layer

13,23 third layer

14,24 the 4th layers

15,25 layer 5

211 first layers that thickness is thinning

221 second layers that thickness is thinning

26 layer 6s

27 layer 7s

5 design levels

6 (a), 6 (b) synthetic resin decorative panels

611 synthetic resin substrate layers

612 substrate sheets

613 pattern layers

614 transparent resins layers

615 sealers

M analyzer

A tenon

The female tenon of B.

Claims

1. a kind of glued board successively has first layer and the second layer at least from upper, which is characterized in that:

(1) first layer and the second layer are wood materials,

(2) thickness of the first layer is lower than 1.0mm,

(3) specific gravity of the second layer is greater than the specific gravity of the first layer.

2. glued board according to claim 1, it is characterised in that:

The first layer is poplar veneer, and the second layer is eucalyptus veneer.

3. a kind of ornament materials, it is characterised in that:

There is design level on the first layer of glued board of any of claims 1 or 2.