WO2021060530A1 - 化粧材 - Google Patents
化粧材 Download PDFInfo
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- WO2021060530A1 WO2021060530A1 PCT/JP2020/036431 JP2020036431W WO2021060530A1 WO 2021060530 A1 WO2021060530 A1 WO 2021060530A1 JP 2020036431 W JP2020036431 W JP 2020036431W WO 2021060530 A1 WO2021060530 A1 WO 2021060530A1
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- WIPO (PCT)
- Prior art keywords
- groove
- ink
- inclined portion
- decorative material
- base material
- Prior art date
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Definitions
- This disclosure relates to cosmetic materials.
- Decorative materials are widely used as surface decoration materials for furniture, building materials, walls, etc. Among them, there is a decorative material that expresses a predetermined texture by filling a recess (groove) provided on the surface with ink (this is referred to as "wiping" (WIPING)).
- Patent Document 1 in a decorative material in which an embossed recess is filled with ink, a direction in which a groove (man-wire groove) extends in a first recessed region and a direction in which a groove (man-wire groove) extends in a second region. It is disclosed that the wiping direction at the time of ink filling is performed at an arbitrary angle with respect to the direction in which the groove extends. As a result, the ink filling amount is changed between the first concave region and the second concave region, and when the groove has a curved portion in the extending direction, the ink filling amount is changed depending on the extending direction. It expresses a unique appearance.
- An object of the present disclosure is to provide a decorative material in which a groove is filled with ink, which can give a different appearance and feel to the conventional one.
- One aspect of the present disclosure is a decorative material including a groove and an ink portion arranged in the groove, from one end of the groove to the deepest part of the groove in a cross section in a direction orthogonal to the direction in which the groove extends. It has a first inclined portion extending to the portion and a second inclined portion extending from the other end of the groove to the deepest part of the groove, and a line segment connecting one end of the groove and the other end of the groove, and one end of the groove and the groove.
- the angle formed by the line segment connecting the deepest part is ⁇ 1
- the angle formed by the line segment connecting one end of the groove and the other end of the groove and the line segment connecting the other end of the groove and the deepest part of the groove When is ⁇ 2 , it is a decorative material containing a groove in which ⁇ 1 is larger than ⁇ 2.
- the surface of the ink portion is recessed in a concave shape with respect to the opening direction of the groove, and the average thickness of the ink portion in the first inclined portion becomes larger than the average thickness of the ink portion in the second inclined portion. It may be configured as follows.
- the ink portion may be arranged in the above cross section without covering at least one part of the first inclined portion and the second inclined portion.
- At least one of the first inclined portion and the second inclined portion may be stepped in cross section.
- the ink portion may be arranged without covering at least one of the protruding corners of the stepped shape.
- the groove may extend in a non-linear manner in a plan view, or may meander and extend.
- the decorative material of the present disclosure it is possible to give a different appearance and feel to the decorative material in which the grooves are filled with ink.
- FIG. 1 is an enlarged plan view of a part of the surface of the decorative material 10, and shows a photograph including a fine pattern surface of the actual decorative material 10.
- FIG. 2 is an enlarged perspective view of a part of the decorative material 10 schematically represented for explaining the morphology of the pattern forming layer 12.
- FIG. 3 is a cross-sectional view of FIG.
- FIG. 4 is a cross-sectional view illustrating the form of the groove 13.
- FIG. 5 is a cross-sectional view illustrating another form of the groove 13.
- FIG. 6 is a cross-sectional view illustrating another form of the groove 13.
- FIG. 7 is a cross-sectional view illustrating another form of the groove 13.
- FIG. 8 is a cross-sectional view illustrating another form of the groove 13.
- FIG. 1 is an enlarged plan view of a part of the surface of the decorative material 10, and shows a photograph including a fine pattern surface of the actual decorative material 10.
- FIG. 2 is an enlarged perspective view of a part of the decorative material
- FIG. 9 is a cross-sectional view illustrating another form of the groove 13.
- FIG. 10 is a cross-sectional view illustrating another form of the groove 13.
- FIG. 11 is a cross-sectional view illustrating another form of the ink portion 14.
- FIG. 12 is a cross-sectional view illustrating another form of the ink portion 14.
- FIG. 13 is a cross-sectional view illustrating another form of the ink portion 14.
- FIG. 14 is a diagram illustrating an example with another layer structure.
- FIG. 15 is a diagram illustrating an example with another layer structure.
- FIG. 16 is a diagram illustrating an example with another layer structure.
- FIG. 17 is a diagram illustrating a scene in which irregularities are formed on the mold by a laser.
- FIG. 18 is a diagram illustrating scratching of ink by a doctor blade.
- FIG. 1 is a live-action photograph
- the size and ratio of the members may be changed or exaggerated for the sake of clarity.
- illustrations of parts that are not necessary for explanation and reference numerals that are repeated may be omitted.
- FIG. 1 is an enlarged view (plan view) of a part of the decorative material 10 according to one form and viewed from the pattern forming layer 12 side.
- arrows (x, y, z) indicating directions, that is, coordinate systems, are also shown in FIGS. 1 and the following figures for convenience.
- the xy direction is the in-plane direction of the decorative material 10
- the z direction is the thickness direction. Therefore, FIG. 1 is a view (planar view) of the decorative material 10 on the pattern forming layer 12 side, particularly from the z direction.
- the pattern forming layer 12 is configured to give.
- the mode to be expressed in the present disclosure is not limited to the yakisugi style, but the wood board surface other than the cedar is burnt and carbonized, and the tiles and bricks with joints, and the fibrous recesses. It is also possible to target a texture tone having a large number of wrinkles, a skin grain tone having a large number of wrinkled recesses, and the like.
- a recess extending by a predetermined length in a specific direction is represented by a groove 13 in which the ink portion 14 specific to the present invention is arranged inside.
- the specific angles ⁇ 1 and ⁇ 2 in the specific cross section and the groove 13 in which the specific ink portion 14 is arranged inside are orthogonal to the direction in which the groove extends in the groove.
- a density gradient (or density distribution) of the ink is generated in the direction, which makes it possible to reproduce shadows due to cracks and steps, as well as a three-dimensional effect. ..
- the extending direction of the groove 13 (Y direction in FIG. 2) intersects with the annual ring pattern (plate grain, grain, etc.) of the pattern of the printing layer 16c and the extending direction of the conduit groove grain (tree height direction).
- ink density gradient (or density distribution) is created in the direction orthogonal to the above, which makes it possible to reproduce the shadows and recesses of the joints of tiles and bricks, as well as the three-dimensional effect, thereby reproducing the appearance of the joint grooves. To do.
- the specific angles ⁇ 1 and ⁇ 2 in the specific cross section and the groove 13 in which the specific ink portion 14 is arranged inside allow the direction orthogonal to the extending direction of the groove in the groove.
- a density gradient (or density distribution) of the ink is generated in the ink, which causes a step of a knot, a knot, or a bump-like uneven portion (this is also called a "nep") in which fiber bundles are entangled.
- the shadows due to the recesses and the three-dimensional effect can be reproduced, thereby reproducing the appearance of the groove-shaped recesses in the structure (texture) of the fiber aggregate.
- the specific angles ⁇ 1 and ⁇ 2 in the specific cross section and the groove 13 in which the specific ink portion 14 is arranged inside are orthogonal to the direction in which the groove extends in the groove.
- a density gradient (or density distribution) of the ink is generated in the direction, which makes it possible to reproduce the unevenness of the wrinkled uneven portion of the leather, the shadow due to the concave portion, and the three-dimensional effect, thereby reproducing the appearance of the wrinkled concave portion on the leather surface. ..
- FIG. 2 is an enlarged perspective view of a part of the decorative material 10 schematically shown for explaining the morphology of the pattern forming layer 12.
- FIG. 3 shows a cross-sectional view in the thickness direction along III-III parallel to the x direction of FIG.
- the decorative material 10 is the base material 11 and one surface 11FS of the base material 11 (the upper surface in FIG. 2, which is the z-axis direction + in the coordinate system). It has a pattern forming layer 12 provided on the side surface). Therefore, in this embodiment, one surface of the base material 11 is configured to function as the pattern forming layer 12.
- the base material 11 itself has a single-layer structure that also serves as the pattern forming layer 12.
- the base material 11 is a sheet-like member having a function of holding the pattern forming layer 12 and imparting strength to the decorative material 10 to maintain the shape of the decorative material 10.
- the form of the base material 11 may be a film, a sheet, or a plate. Generally, they are called films, sheets, and plates in order from the one with a relatively thin thickness, but in this embodiment, the difference depending on the thickness form of these base materials is not an essential matter but an important matter. But not. Therefore, in the present specification, the essence of the present invention and the interpretation of the claims remain unchanged even if any of the terms film, sheet, and plate is appropriately read as another term.
- the material of the base material 11 is not particularly limited as long as it has the same function as the conventionally known decorative material.
- the material of the base material usually polyethylene, polypropylene, olefin-based thermoplastic elastomer, polyolefin-based resin such as ionomer, acrylic resin such as polymethylmethacrylate and polybutylmethacrylate, polyethylene terephthalate, polybutylene terephthalate, and polyethylene naphthalate.
- thermoplastic polyester resin such as various polyester-based thermoplastic elastomers, thermoplastic urethane resin, polychloride Vinyl chloride resin such as vinyl, vinyl chloride-vinyl acetate copolymer, ethylene-vinyl chloride copolymer, polycarbonate resin, ABS resin (acrylonitrile-butadiene-styrene copolymer), thermoplastic resin such as styrene resin, melamine Ionizing radiation with a thermoplastic resin such as a resin, an unsaturated polyester resin, an epoxy resin, a two-component curable urethane resin, a monomer such as a radical polymerization type acrylate type or a cationic polymerization type epoxy type, or a prepolymer.
- thermoplastic polyester resin such as various polyester-based thermoplastic elastomers, thermoplastic urethane resin, polychloride Vinyl chloride resin such as vinyl, vinyl chloride-vinyl acetate copolymer, ethylene-vinyl chloride copo
- an ionizing radiation-curable resin or the like that is cured by ultraviolet rays, electron beams, etc. is used.
- the material of the base material is resin, it may be colored with a known colorant.
- paper, non-woven fabric, metal, wood, ceramics, glass, cement, stone, etc. can also be used in the form of sheets, plates, three-dimensional objects, etc. by appropriately laminating them with the above resin materials.
- the base material of these materials has a two-layer (laminated) configuration as shown in FIG. 14 in which the resin layer is laminated as the pattern forming layer 12 on the groove forming surface side, that is, on one surface 11FS side. ..
- the thickness of the base material is not particularly limited, but in the case of a sheet-shaped base material or a film-shaped base material, for example, the thickness is about 20 ⁇ m or more and 1000 ⁇ m or less, and in the case of a plate-shaped base material, for example, 1 mm. Those having a diameter of 20 mm or less are used.
- the pattern forming layer 12 is provided on one surface 11FS of the base material 11 (when the base material 11 also serves as the pattern forming layer 12, the vicinity of the one surface 11FS of the base material 11 becomes the pattern forming layer 12). , Give a desired pattern to the surface of the decorative material.
- the decorative material 10 is suitable for expressing a yakisugi-like pattern.
- the pattern forming layer 12 includes a plurality of grooves 13 and an ink portion 14 arranged inside the grooves 13.
- the groove 13 is a groove having a cross-sectional shape having the features described later, and this groove extends in the y direction in the drawings such as FIG. Then, the width (the size in the x direction orthogonal to the extending direction of the groove), the depth (the thickness direction of the base material 11 and the size in the z direction in the drawings such as FIG. 2), the shape of the wall surface of the groove, etc.
- a predetermined outer shape in this embodiment, a Yakisugi-like outer shape
- the width of the groove 13 (W in FIG. 3) is not particularly limited, but is preferably 200 ⁇ m or more and 1000 ⁇ m or less. This makes it possible to arrange the ink portion 14 having a desired shape in the groove 13 while making it difficult to see as a groove.
- the width W does not have to be constant in the extending direction (y direction) of one groove 13, and the width may change.
- the depth of the groove 13 (D in FIG. 3) is not particularly limited, but is preferably 30 ⁇ m or more and 80 ⁇ m or less.
- the ink portion 14 having a desired shape is arranged in the groove 13 while obtaining the effect of pattern expression by shading, particularly the appearance reproduction of cracks and steps on the surface of the wood board which is carbonized by burning the surface represented by Yakisugi. It becomes possible.
- the depth D does not have to be constant in the extending direction (y direction) of one groove 13, and the depth may change.
- FIG. 4 shows an enlarged view focusing on one groove 13 in FIG.
- hatching is omitted in FIG. 4 and the figures shown thereafter.
- the groove 13 has a first inclined portion S 1 extending from one side end portion W 1 in the width direction to the deepest portion D 1, and a second inclined portion extending from the other side end portion W 2 in the width direction to the deepest portion D 1. and it includes a section S 2. Then, (.
- Matching S 1 in the present embodiment segment W 1 D 1 connecting the line segment W 12, W 1 and D 1 connecting the W 1 and W 2, and the W 2 and D 1
- the angle formed by the line segment W 12 and the line segment W 1 D 1 is ⁇ 1
- the line segment W 12 and the line segment W 2 D are formed.
- the first inclined portion S 1 and the second inclined portion S 2 are configured to be different from each other with the deepest portion D 1 in between without being symmetrical.
- first inclined portion S 1 and the second inclined portion S 2 of other forms, and how to output ⁇ 1 and ⁇ 2 by these will be described below with reference to FIGS. 5 to 7. Both figures are views from the same viewpoint as in FIG.
- FIG. 5 is a case where the deepest portion has a predetermined width.
- the center of the width of the deepest portion as the deepest D 1 may be defined a line W 1 D 1 and the line segment W 2 D 1.
- Embodiment of FIG. 6 is a case where the first inclined portion S 1 and the second inclined portion S 2 is curved. Even in such a case, the line segment W 1 D 1 and the line segment W 2 D 1 may be defined in the same manner as in the above and FIG. In this case, the line segment W 1 D 1 and the line segment W 2 D 1 refer to the first inclined portion S 1 and the second inclined portion S 2 which are non-linear when obtaining the angles ⁇ 1 and ⁇ 2. It corresponds to the representative (substitute) of the smoothed one.
- the cross-sectional shape of the groove 13 at least one inclined portion S 1 and the inclined portion S 2 is in the form that exhibits a stepped shape, in particular of wood plate surface was carbonized baked surface represented by Yakesugi cracks or steps of It is suitable from the viewpoint of reproducing the appearance of a fine structure.
- FIG. 8 and 9 show another example in which the inclined surface is stepped.
- 8 is only the first inclined portion S 1 is has a site which is stepped, the second inclined portion S 2 is constituted by the inclination of the gentle continuous curved without having any part which is stepped.
- FIG. 9 is a first inclined portion S 1 of the portion and the second portion of the inclined portion S 2 is stepped, the other part is an example of a shape that is not stepped.
- FIG. 10 is a case where the thickness direction position (z direction position) is different between W 1 and W 2 in one groove 13.
- line W 1 D 1 connecting the line segment W 12, W 1 and D 1 connecting the W 1 and W 2 coincides with S 1.
- W 2 and D 1 Considering the line segment W 2 D 1 (corresponding to S 2 in this embodiment), the angle formed by the line segment W 12 and the line segment W 1 D 1 is ⁇ 1 , and the line segment W 12 and the line segment W 2 are formed.
- ⁇ 1 is larger than theta 2. That is, the first inclined portion S 1 and the second inclined portion S 2 are configured to be different from each other with the deepest portion D 1 in between without being symmetrical.
- W 1 is higher than the position of W 2 , but the present invention is not limited to this, and W 1 may be configured to be lower than the position of W 2.
- the first inclined portion S 1 and the second inclined portion S 2 may take a form different from the above-described morphological example. Further, it may be a different form in the first inclined portion S 1 in one groove 13 and the second inclined portion S 2. Even in such a form, ⁇ 1 and ⁇ 2 are defined in the same manner as described above.
- the range of ⁇ 1 is not particularly limited, but is preferably 10 ° or more and 45 ° or less.
- ⁇ 1 exceeds 45 °, the ink at the bottom of the groove 13 is scraped off and disappears when the ink is filled and arranged in the groove 13 to form the ink portion 14 by the wiping method described later, and the shadow on the groove 13 is formed.
- the effect of imparting a three-dimensional appearance of the decorative material may be reduced.
- ⁇ 1 is less than 10 °, the amount of ink in the ink portion 14 itself becomes small, so that there is a possibility that the shadow on the groove 13 and the effect of imparting the appearance of the three-dimensional appearance of the decorative material may be reduced.
- the range of ⁇ 2 is not particularly limited, but is preferably 5 ° or more and 30 ° or less.
- ⁇ 2 exceeds 30 °, the angle difference between ⁇ 1 (maximum 45 ° in a preferable range) and ⁇ 2 becomes small, and further, the ink portion 14 between the first inclined portion S 1 and the second inclined portion S 2
- the difference in ink thickness is small, and the density gradient of the ink in the ink portion 14 in the groove 13 is small, and as a result, the shadow on the groove 13 and the effect of imparting a three-dimensional appearance of the decorative material may be reduced.
- ⁇ 2 is less than 5 °, the amount of ink in the ink portion 14 itself becomes small, so that there is a possibility that the shadow on the groove 13 and the effect of imparting the appearance of the three-dimensional appearance of the decorative material may be reduced.
- the difference ( ⁇ 1 ⁇ ⁇ 2 ) obtained by subtracting ⁇ 2 from ⁇ 1 is 3 ° or more and 35 ° or less.
- ( ⁇ 1 ⁇ ⁇ 2 ) is 7 ° or more, the shadow on the groove 13 and the effect of imparting a three-dimensional appearance of the decorative material become remarkable.
- ( ⁇ 1 ⁇ ⁇ 2 ) is less than 3 °, the difference in ink thickness between the ink portion 14 of the first inclined portion S 1 and the second inclined portion S 2 becomes small, and the ink portion 14 in the groove 13 becomes small. As a result, there is a risk that the effect of shading the grooves 13 and imparting the appearance of the three-dimensional appearance of the decorative material may be reduced.
- the direction (y direction) grooves 13 extends, the shape of the first inclined portion S 1, the shape of the second inclined portion S 2, theta 1, the difference between the theta 2 and theta 1 and theta 2 is required to be constant Instead, it may change in the direction in which the groove 13 extends. Therefore, it is possible that the positional relationship between ⁇ 1 and ⁇ 2 is reversed in the extending direction. Even in that case, the magnitude relationship can be considered in the same way.
- the direction in which the groove 13 extends is preferably based on the y direction, although it is not exact.
- the direction orthogonal to the extending direction is preferably the x direction.
- the direction in which the groove 13 extends is the pattern of the printing layer 16c.
- the grooves 13 By arranging the grooves 13 in the extending direction, it is possible to satisfactorily reproduce the design appearance of cracks and steps in the carbonized wood portion peculiar to the surface of the yakisugi board. As a result, the thickness distribution of the ink portion 14 arranged in the groove 13 can be easily controlled to the form peculiar to the present disclosure by filling the groove 13 with the ink by the specific wiping method described later.
- the direction in which the groove 13 extends is inclined to some extent in the x direction with respect to the y direction, or is non-linear or curved.
- Typical examples of the non-linear shape or the curved shape include the following (1) or (2).
- the groove 13 has a non-linear shape or a curved shape represented by the following (1) or (2).
- the extending direction of the groove 13 intersects with the extending direction of the annual ring pattern of the pattern of the printing layer 16c and the extending direction of the conduit groove grain, and more preferably, the grooves 13 are arranged in a direction orthogonal to each other.
- the groove 13 has a shape extending in a specific direction (for example, the y direction) and meandering in a direction orthogonal to the extending direction (x direction).
- the plan-view shape of the groove 13 may be the following (1-1) to (1-4).
- (1-1) A sine wave extending in the y direction and oscillating in the x direction. Specifically, it is expressed by the following equation.
- x a ⁇ sin (b ⁇ y + c) + d (A, b, c, and d are constants for determining the plan-view shape of the groove 13.)
- the plan-view shape of the groove 13 does not have to exactly match the non-linear or curved shape of (1-1) to (1-3) above.
- the plan view shape of the groove 13 may be a curve obtained by modulating any one or more of the amplitude, wavelength (spatial frequency), and phase of these sine waves, square waves, staircase waves, etc. by an appropriate amount, or using them. It is also possible to appropriately deform and distort the shape of.
- the plan-view shape of the groove 13 is composed of lines meandering in a direction orthogonal to the extending direction of a cliff line, a river channel, etc., extracted from a map, an aerial photograph, or the like.
- the dimensions may be scaled or magnified as needed, and the shape may be modified as needed.
- both ends of the groove 13 reach the outer peripheral portion (outer edge, four sides of the quadrangular decorative material in a plan view) forming the outer shape of the decorative material 10.
- the groove 13 may end without reaching the outer peripheral portion of the decorative material 10 on one side and the groove 13 on the opposite end without reaching the outer peripheral portion of the decorative material 10, or both.
- the end portion of the decorative material 10 may reach the outer peripheral portion of the decorative material 10.
- first inclined portion S 1 and the second inclined portion S 2 may be adjacent to each other, or the first inclined portions S 1 and the second inclined portions S 2 may be adjacent to each other. Good.
- the ink portion 14 is a portion made of ink arranged in the groove of the groove 13.
- the decorative material 10 can have a different appearance and feel than the case where only the groove 13 is used.
- the form of the ink unit 14 can be, for example, as follows.
- the surface 14f of the ink 14 in the cross section covers the first inclined portion S 1 and the second inclined portion S 2, the end portion W 1 and the end portion W 2 It is configured to be the deepest at any part of the space. That is, the surface 14f of the ink portion 14 is in the direction in which the groove is opened and in the direction of the observer of the decorative material (for example, in the case of FIG. 2, the + direction of the z-axis in the figure). As shown in FIG. 2, the concave surface is concave.
- the ink 14 in the cross-section flat maintains cover the first inclined portion S 1 and the second inclined portion S 2, the generally same z-position between the ends W 1 and the end portion W 2 It is a form that becomes.
- FIG. 12 the surface 14f of the ink portion 14 covers the portion of the first inclined portion S 1 and the second inclined portion S 2, observation of the decorative material with a direction which opens the groove 's direction (e.g., in the case of FIG. 12, + direction of z-axis of the figure) with respect to, concave as shown in FIG. 12, a portion of the second inclined portion S 2 is exposed It is a form.
- the ink unit 14 covers a part of the portion of the first inclined portion S 1 and the second inclined portion S 2, none of the first inclined portion S 1 and the second inclined portion S 2 A form in which a part is exposed is also conceivable.
- the thickness of the ink portion of the first inclined portion S 1 side may be thicker than the thickness of the ink portion of the second inclined portion S 2 side. More specifically, the average thickness of the ink portion of the first inclined portion S 1, thicker than the average thickness of the ink portion of the second inclined portion S 2.
- the difference between the thickness of the ink portion of the first inclined portion S 1 side (relatively thick) and the thickness of the ink portion of the second inclined portion S 2 side (relatively thin) (hereinafter, "ink (Also abbreviated as “thickness difference") is preferable when it is 1 ⁇ m or more because the shadow on the groove 13 and the effect of imparting the appearance of the three-dimensional appearance of the decorative material are good. From the viewpoint of such an effect, it is more preferable that the ink thickness difference is 3 ⁇ m or more.
- the difference in ink thickness is 1 ⁇ m or less, the density gradient of the ink in the ink portion 14 in the groove 13 becomes small, and as a result, the shadow on the groove 13 and the effect of imparting the appearance of the three-dimensional appearance of the decorative material may be reduced. There is.
- the "average thickness of the ink portion in the first inclined portion S 1 " is the cross-sectional area of the ink portion existing on the first inclined portion S 1 in the cross section as the length of the first inclined portion S 1.
- the value obtained by dividing is defined as "the average thickness of the ink portion in the second inclined portion S 2 ", and the cross-sectional area of the ink portion existing on the second inclined portion S 2 in the cross section is the length of the second inclined portion S 2. It is the value divided by.
- the shape of the ink portion 14 does not have to be constant along the direction in which the groove 13 extends, and may change differently, and the ink portions 14 arranged in the plurality of grooves 13 have different forms. May be good. By changing the shape of the ink portion 14 in this way, a unique visual effect can be expected. For example, the ink filling mode in the groove 13 differs depending on the inclination angle of the first inclined portion and the inclination angle of the second inclined portion.
- the angle of inclination It is easy to form an effective gradation by changing the difference between. Further, the larger the difference (height difference) between W 1 , W 2 and D 1 , the more the three-dimensional effect can be emphasized, and the richer the shadow expression becomes. Therefore, by combining each of these elements, the form of the ink to be filled changes, and various expressions are possible.
- the material of the ink constituting the ink portion is not particularly limited, and a known material can be used.
- a vehicle containing any one or more of a coloring pigment, a matte pigment, a dye and the like can be applied.
- the vehicle can be appropriately selected from various thermoplastic resins, thermosetting resins, and ionizing radiation curable resins.
- the difference (height difference) between W 1 , W 2 and D 1 can produce a three-dimensional effect, and the shadow expression is enriched.
- the decorative material 10 described above is an example of a one-layer structure in which the base material 11 also serves as the pattern forming layer 12, and the groove 13 and the ink layer 14 are formed on the surface of the base material 11 itself.
- the layer structure of the decorative material is not limited to this, and a laminated structure may be obtained in which a pattern forming layer 12 as a separate layer made of a material different from the base material 11 is laminated on the base material 11. Further, in addition to the base material 11 and the pattern forming layer 12 having a one-layer structure or a laminated structure, a necessary layer may be further laminated as appropriate.
- 14 to 16 show diagrams for explanation. All of these figures are views from the same viewpoint as in FIG.
- FIG. 14 shows a decorative material in which a pattern forming layer 12 prepared as a separate layer made of a material different from the base material 11 is laminated on one surface 11FS (upper surface in the figure) of the base material 11. It is 10a.
- the pattern forming layer 12 may also be made of the same material as the base material 11, and may have different thicknesses. In this case, for example, by making the base material 11 a colored concealing layer and the pattern forming layer 12 a colorless or colored transparent layer, a unique texture can be expressed. Further, from the viewpoint of increasing the strength of the entire decorative material, an additional base material (second base material) may be laminated on the base material 11.
- FIG. 15 is a decorative material 10b in which a protective layer 15b made of a transparent resin is laminated on the outermost surface of the upper peripheral layer in the figure that functions as the pattern forming layer 12 of the base material 11.
- the resin constituting the protective layer 15b is not particularly limited, but a transparent material among the materials mentioned in the description of the base material 11 can be used.
- FIG. 16 is a decorative material 10c in which the printing layer 16c is laminated on the surface of the base material 11 opposite to the upper neighborhood layer in the figure, which functions as the pattern forming layer 12, that is, on the lower side in the figure.
- the printed pattern is expressed as the pattern of the decorative material 10c, which is a unique expression.
- the pattern of the print layer 16c is selected according to the design in which the decorative material 10 aims to reproduce the appearance of the design. For example, when the decorative material 10 aims to reproduce the design appearance of the wood grain pattern on the surface of the wood board, the wood grain pattern is adopted as the pattern of the printing layer 16c.
- a wood grain pattern that approximates the design appearance of the Yakisugi board when viewed in combination with the pattern of the groove 13 and the ink portion 14 arranged in the groove To select. At that time, it is not always necessary to select the wood grain pattern of the natural Yakisugi board. For example, even if the printing layer 16c has a wood grain pattern other than the yakisugi board, a person who sees the decorative material 10 observes the groove 13, the ink portion 14, and the wood grain pattern of the printing layer 16c in an overlapping manner. It is only necessary to be able to feel the design appearance of the Yakisugi board.
- a tiled or brick-like pattern is adopted as the pattern of the printing layer 16c.
- the textured pattern is adopted as the pattern of the print layer 16c.
- a leather-textured pattern is adopted as the pattern of the printing layer 16c.
- the decorative material 10 of the present disclosure includes a structure including a groove 13 having characteristics such as angles ⁇ 1 and ⁇ 2 and an average thickness of the ink portion as described above, and an ink portion 14 arranged in the groove. It's an ink. However, it is not always necessary that all of the grooves 13 and the ink portion 14 existing on the surface of the decorative material 10 have the above-mentioned characteristics, and as long as the decorative material 10 of the present disclosure exhibits a desired appearance, it is appropriate for each decorative material. Just select the range.
- ⁇ L S / ⁇ L total be the ratio of the total value ⁇ LS of the lengths of the grooves 13 satisfying the above conditions.
- desired appearance expression is preferably to ⁇ L S / ⁇ L total ⁇ 3/ 10, and more preferably to ⁇ L S / ⁇ L total ⁇ 5/ 10.
- the ⁇ L total corresponds to the crack or step portion of the carbonized wood on the surface of the yakisugi board.
- a length of the total sum of the extension of the groove 13 when it is the sum of the lengths of the present disclosure meet certain criteria groove 13 in the ⁇ L S L total, ⁇ L S / ⁇ L total ⁇ 7 / preferably 10, and more preferably to ⁇ L S / ⁇ L total ⁇ 8/ 10.
- a second base material which may be further a third base material
- a protective layer and a printing layer
- the decorative material laminated in the order of the second base material, the printing layer, and the base material (pattern forming layer), the second base material, the base material (pattern forming layer), and the protective layer are laminated in this order.
- Examples thereof include a decorative material, a second base material, a printing layer, a base material (pattern forming layer), and a decorative material in which a protective layer is laminated in this order.
- the manufacturing method described below includes a step of producing a manuscript image, a step of producing a block copy image, a step of producing a plate, a step of forming a groove in a pattern forming layer, and a step of filling ink. There is.
- a pattern (yakisugi-like pattern) in a plan view to be expressed by a groove in the pattern forming layer 12 is acquired and used as a manuscript image.
- the pattern in the plan view to be expressed on the surface of the base material 11 is acquired as the image density (shading), and this is used as the block copy image.
- the plate image is preferably digital data
- pixels are generated in the two-dimensional coordinate plane (x, y) by using a method of reading the original image with a scanner and performing AD conversion. It is arranged, and each pixel obtains digital data corresponding to a unique density value. Further, when the original image is designed by using digital data using CAD or the like from the beginning, the digital data can be used.
- a pattern of each region as a binary image is generated and arranged on a two-dimensional virtual plane corresponding to the gradation image of the pattern by a conversion program from density to unevenness for the digital data, and is used as digital data. Get the version image.
- an embossed plate (molding mold for decorative material) having a plan-viewing pattern by the grooves 13 on the surface is produced based on the block copy image.
- the manufacturing process of the uneven pattern comprises the following steps (1) to (5).
- a metal roll 20 for embossing plate engraving as shown in FIG. 17 was prepared.
- the metal roll 20 is formed by plating a copper layer on the surface of a hollow iron cylinder having rotary drive shafts (shafts) 21 at both ends in the axial direction.
- the surface of the metal roll 20 was polished with a grindstone to roughen it, and a treatment was performed to prevent a decrease in engraving efficiency due to specular reflection of laser light for engraving.
- a laser beam direct engraving machine is used to engrave the surface of the metal roll 20 prepared in the step (2) based on the uneven pattern image data created in the step (1).
- the surface of the decorative material has a concave-convex shape that is the same as the uneven pattern of the grooves 13 on the surface of the decorative material and has reverse unevenness (the portion corresponding to the convex stripes of the decorative material becomes concave stripes on the embossed plate surface). Formed. Therefore, the shape to be provided by the uneven pattern in the embossed plate is a mode in which the uneven relationship of the uneven pattern due to the grooves 13 in the above-mentioned decorative material is reversed, and can be considered in the same manner.
- the metal roll 20 is driven by an electric motor via the rotation drive shaft 21, and rotates around the rotation drive shaft 21 as a central axis.
- the surface of the metal roll 20 is scanned by the laser beam P emitted from the laser head 22.
- the engraving liquid T is sprayed from the engraving liquid discharge port 23 onto the laser light irradiation region on the surface of the metal roll 20. Perform laser light irradiation.
- Electropolishing process After cleaning the engraving liquid, electrolytic polishing was performed to remove metal residues adhering to the surface of the metal roll 20.
- the groove 13 is obtained by embossing the base material 11 using the produced plate (embossed plate).
- the embossing may be performed by an appropriate known method, and is not particularly limited.
- a typical method of embossing is as follows, for example.
- a resin sheet made of a thermoplastic resin such as a polyolefin resin is used as the base material.
- This base material is heated and softened, and an embossed plate is pressed against the surface of the base material to form an uneven pattern on the surface of the embossed plate on the surface of the resin sheet.
- the resin sheet is cooled and solidified to fix the uneven pattern on the resin sheet.
- the resin sheet on which the uneven pattern is formed is released from the embossed plate.
- the various embossing methods will be further described, for example, the following methods (A) to (E).
- A The resin sheet as the base material is heated and softened, and the embossing plate is pressed to emboss.
- B Embossing and laminating by heat-sealing a resin sheet (base material) to be a surface sheet and a resin sheet (second base material) to be a base sheet by the heat pressure when pressing the embossed plate. Embossing is performed by the doubling embossing method, which is performed at the same time.
- C A resin sheet (base material) to be used as a surface sheet is melt-extruded from a T-die and brought into contact with a cylinder-shaped embossed plate that also serves as a cooling roller to be embossed at the same time as the surface sheet is formed.
- the resin sheet (second base material) used as the base sheet inserted into the back surface side of the front surface sheet is further heat-sealed to perform doubling embossing at the same time as the film formation.
- D As disclosed in JP-A-57-87318, JP-A-7-32476, etc., an uncured liquid material of an ionizing radiation curable resin is applied to the surface of a cylinder-shaped embossed plate. Further, a base sheet made of a resin sheet or the like is laminated on the base sheet and irradiated with ionizing radiation to cure the uncured liquid material to obtain a cured product.
- thermoplastic resin is typically used as the material of the base material used in the embossing methods (A) to (C), and the material of the base material used in the embossing method of (D) is typically used.
- An ionizing radiation curable resin is used, and a thermosetting resin is typically used as the material of the base material used in the embossing method (E).
- the groove 13 formed on the surface of the base material 11 is filled with the ink, and the ink is arranged in the groove 13 with a desired thickness distribution to form the ink portion 14.
- the ink (uncured state) of the material to be the ink portion 14 is supplied to the surface of the base material 11 on the side where the groove 13 is formed by a coating method such as a curtain flow coating method or a roll coating method. This is done by scratching the top with a doctor blade, a squeegee, a sponge roller, or the like to remove (wiping) excess ink outside the groove 13.
- the method of filling and arranging such ink in the groove itself is a method known as a so-called "wiping" method.
- the doctor blade 30 is moved in the direction (x direction) orthogonal to the direction (y direction) in which the groove 13 extends. That is, the doctor blade 30 is moved in the x direction orthogonal to the y direction in which the groove 13 extends.
- the shape of the present disclosure unique new ink unit 14 as described above i.e., greater than the ink unit thickness ink unit thickness of the first inclined portion S 1 side of the second inclined portion S 2 side of the groove 13 Ink
- the thickness distribution in the groove of the portion can be easily formed.
- the decorative material 10 is obtained by curing the ink by an appropriate method.
- the uses of the decorative materials described above are not particularly limited, but for example, interior materials of buildings such as walls, floors and ceilings, exterior materials such as exterior walls, roofs, gates, walls and fences of buildings, doors and window frames. , Door frames and other fittings, peripheral edges, skirting boards, surface materials for building members such as handrails, surface materials for home appliances such as TV receivers and refrigerators, and housings for office equipment such as copying machines, furniture such as porcelain Surface materials, boxes, surface materials for containers such as resin bottles, interior or exterior materials for vehicles, interior or exterior materials for ships, etc.
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Abstract
Description
ただし、本開示において表現すべき態様は焼杉調であることに限らず、杉以外の木材の板表面を焼いて炭化させた焼木板調、目地を有するタイル貼や煉瓦積調、繊維状の凹部を多数有する布目調、皺状の凹部を多数有する皮シボ調等も対象とすることができる。これらの化粧材の態様において、本発明特定のインキ部14を内部に配置した溝13により特定方向に所定長さで延びた凹部を表現する。
タイル貼や煉瓦積調の態様の場合は、前記の特定断面内の特定角度θ1及びθ2、及び、特定のインキ部14を内部に配置した溝13により、溝内において、溝が延びる方向と直交する方向にインキの濃度勾配(或いは濃度分布)を生じ、これによってタイル貼や煉瓦積の目地部の段差や凹部による陰影、更には立体感を再現でき、これによって目地溝の外観を再現する。
布目調の態様の場合は、前記の特定断面内の特定角度θ1及びθ2、及び、特定のインキ部14を内部に配置した溝13により、溝内において、溝が延びる方向と直交する方向にインキの濃度勾配(あるいは濃度分布)を生じ、これによって繊維束が絡み合った節、縺(モツ)れ、又は瘤状の凹凸部(これを「ネップ」(nep)とも呼称する)の段差や凹部による陰影、更には立体感を再現でき、これによって繊維集合体の構造(テクスチュア:texture)中の溝状凹部の外観を再現する。
皮シボ調の態様の場合は、前記の特定断面内の特定角度θ1及びθ2、及び、特定のインキ部14を内部に配置した溝13により、溝内において、溝が延びる方向と直交する方向にインキの濃度勾配(あるいは濃度分布)を生じ、これによって皮革の皺状凹凸部の段差や凹部による陰影、更には立体感を再現でき、これによって皮革表面の皺状凹部の外観を再現する。
図1から図3よりわかるように、本形態で化粧材10は、基材11及び該基材11の一方の面11FS(図2における上側の面であり、座標系で言うとz軸方向+側の面)に具備された模様形成層12を有している。従って本形態では基材11の一方の面が模様形成層12として機能するように構成されている。換言すれば、本形態においては、基材11自体が模様形成層12を兼ねた単層構成となっている。なお、図14に図示した後述の形態のように、基材11と模様形成層12とを別個の独立層とし、両層を積層した2層構成とした形態とする事も可能である。
なお、紙以下に列挙した材料からなる基材の場合、樹脂の基材に比べて溝の形成が難しく、溝形状や加工条件等に制約が有る場合が多い。そのため、これら材料の基材については、その溝形成面側、即ち一方の面11FS側に上記樹脂層を模様形成層12として積層した図14のような2層(積層)構成とすることが好ましい。
1つの溝13においてその延びる方向(y方向)で幅Wが一定である必要はなく、幅が変化してもよい。
また、1つの溝13においてその延びる方向(y方向)で深さDが一定である必要はなく、深さが変化してもよい。
溝13は、当該断面において、幅方向一方側端部W1から最深部D1に延びる第一傾斜部S1、及び、幅方向他方側端部W2から最深部D1に延びる第二傾斜部S2を備えている。
そして、W1とW2とを結ぶ線分W12、W1とD1とを結ぶ線分W1D1(本形態ではS1に一致する。)、及び、W2とD1とを結ぶ線分W2D1(本形態ではS2に一致する。)を考え、線分W12と線分W1D1とがなす角をθ1、線分W12と線分W2D1とがなす角をθ2としたとき、θ1がθ2より大きくなっている。すなわち、第一傾斜部S1と第二傾斜部S2が最深部D1を挟んで対称とならずに異なるように構成されている。
図7の形態では傾斜部S1及び傾斜部S2の両方が、かかる階段状となっているが、何れか片方の傾斜部のみ(例えば、第一傾斜部S1のみ)が階段状を呈し、他方の傾斜部(例えば、第二傾斜部S2)が図4又は図6のような断面形状が直線状又は曲線状を呈する形態とすることもできる。溝13の断面形状において、傾斜部S1及び傾斜部S2の少なくとも一方が階段状の形状を呈する形態では、特に焼杉に代表される表面を焼いて炭化させた木材板表面の亀裂や段差の微細構造の外観再現の観点で好適である。
また、図9は第一傾斜部S1の一部及び第二傾斜部S2の一部が階段状であり、他の部分は階段状でない形状の例である。
この形態ではW1の方がW2の位置より高くなっているが、これに限らずW1の方がW2の位置より低くなるように構成してもよい。
θ2の範囲も特に限定されることはないが、5°以上30°以下が好ましい。θ2が30°を超えると、θ1(好ましい範囲では最大45°)とθ2との角度差が小さくなり、さらには第一傾斜部S1と第二傾斜部S2とのインキ部14のインキ厚み差が小さくなり、溝13内におけるインキ部14のインキの濃度勾配が小さくなり、その結果、溝13への陰影及び化粧材の立体感の外観付与効果が低減する虞がある。また、θ2が5°未満であると、インキ部14のインキ量自体が少量となるため、溝13への陰影及び化粧材の立体感の外観付与効果が低減する虞がある。
これにより、後述の特定ワイピング法で溝13内にインキを充填することで溝13内に配置されているインキ部14の厚さ分布を本開示固有の形態に制御し易くなる。
非直線状又は曲線状の例としては、代表的には、以下の(1)又は(2)のものを挙げることができる。なお、化粧材10が焼杉の板の意匠外観の再現を目指す態様の場合は、溝13の平面視形状が以下の(1)又は(2)に代表される非直線状又は曲線状を呈する場合においても、溝13の延びる方向を印刷層16cの絵柄模様の年輪模様や導管溝木目の延びる方向と交差する方向ことが好ましく、より好ましくは直交する方向に配置する。
(1-1):y方向に延びx方向に振動する正弦波。具体的には、次の式で表現される。
x=a・sin(b・y+c)+d
(a、b、c、及びdは溝13の平面視形状を決めるための定数。)
(1-2):y方向に延びx方向に振動する矩形波。
(1-3):y方向に延びx方向に振動する階段波。
(1-4):溝13の平面視形状は、上記(1-1)から(1-3)の非直線又は曲線形状と厳密に合致しなくてもよい。溝13の平面視形状は、これら正弦波、矩形波、階段波等の振幅、波長(空間周波数)、及び位相の何れか1つ又は2つ以上を適宜な量だけ変調した曲線としたり、それらの形状を適宜変形、歪曲したりすることもできる。
また、図12は、インキ部14の表面14fが、第一傾斜部S1及び第二傾斜部S2の一部を覆うと共に、該溝の開口している方向であると共に当該化粧材の観察者の方向(例えば、図12の場合においては、同図のz軸の+方向)に対して、図12に示したように凹状で、第二傾斜部S2の一部が露出している形態である。
また、図示はしないが、インキ部14が、第一傾斜部S1の一部及び第二傾斜部S2の一部を覆い、第一傾斜部S1及び第二傾斜部S2のいずれも一部が露出している形態も考えられる。
その際、第一傾斜部S1側におけるインキ部の厚さ(相対的に厚)と第二傾斜部S2側におけるインキ部の厚さ(相対的に薄)との差(以下、「インキ厚み差」とも略称する。)は、1μm以上となると、溝13への陰影及び化粧材の立体感の外観付与効果が良好となり好ましい。かかる効果の観点から、特にインキ厚み差は3μm以上とすることがより好ましい。また、インキ厚み差が1μm以下であると、溝13内におけるインキ部14のインキの濃度勾配が小さくなり、その結果、溝13への陰影及び化粧材の立体感の外観付与効果が低減する虞がある。
また、W1、W2とD1との差(高低差)により立体感を演出することができ、陰影表現が豊かになる。
印刷層16cの絵柄模様は、化粧材10が意匠外観の再現を目指す意匠に応じたものを選ぶ。
例えば、化粧材10が木材板表面の木目模様の意匠外観の再現を目指す態様の場合は、印刷層16cの絵柄模様として木目の絵柄模様を採用する。特に、焼杉の板の意匠外観の再現を目指す態様の場合は、溝13及び該溝内に配置されたインキ部14の模様と重ねて見た場合に、焼杉板の意匠外観に近似する木目模様を選定する。その際、必ずしも、天然の焼杉板の木目模様を選ぶ必要はない。例えば、焼杉板以外の木目模様の印刷層16cであっても、化粧材10を見た人が、溝13、インキ部14、及び印刷層16cの木目模様の三者を重ねて観察した状態で、焼杉板の意匠外観を感じることができればよい。
タイル貼や煉瓦積調の意匠外観の再現を目指す態様の場合は、印刷層16cの絵柄模様としてタイル貼や煉瓦積調の絵柄模様を採用する。
布目調の意匠外観の再現を目指す態様の場合は、印刷層16cの絵柄模様として布目調の絵柄模様を採用する。
皮シボ調の意匠外観の再現を目指す態様の場合は、印刷層16cの絵柄模様として皮シボ調の絵柄模様を採用する。
ただし、必ずしも化粧材10表面に存在する溝13及びインキ部14の全部が上記特徴を具備する必要はなく、本開示の化粧材10が所望の外観を発現する限りにおいて、化粧材毎に適宜な範囲を選択すれば良い。
化粧材10の表面に存在する各溝13の延びる方向に沿って測った全部の溝13の長さの総合計値ΣLtotalに対する本開示特定の条件(角θ1、θ2、インキ部平均厚さ等)を満たす溝13の長さの合計値ΣLSの比をΣLS/ΣLtotalとする。本開示所望の外観発現のためには、ΣLS/ΣLtotal≧3/10とすることが好ましく、ΣLS/ΣLtotal≧5/10とすることがより好ましい。特に、焼杉板に代表される焼木板表面の炭化した木材の亀裂や段差部分に対応する溝13に限定した場合、則ち、ΣLtotalを焼木板表面の炭化した木材の亀裂や段差部分に対応する溝13の延びる長さの総合計値とし、また、ΣLSをLtotal中の本開示特定の条件を満たす溝13の長さの合計値とした場合は、ΣLS/ΣLtotal≧7/10とすることが好ましく、ΣLS/ΣLtotal≧8/10とすることがより好ましい。
例えば、第二の基材、印刷層、及び、基材(模様形成層)の順に積層された化粧材、第二の基材、基材(模様形成層)、及び、保護層の順に積層された化粧材、第二の基材、印刷層、基材(模様形成層)、及び、保護層の順に積層された化粧材等を挙げることができる。
以下に説明する製造方法には、原稿画像を作製する工程、版下画像を作製する工程、版を作製する工程、模様形成層の溝を形成する工程、及び、インキを充填する工程を含んでいる。
そして当該デジタルデータに対して濃度から凹凸への変換プログラムによって、模様の階調画像に対応して二値画像としての各領域のパターンを二次元仮想平面上に生成して配置し、デジタルデータとして版下画像を得る。
アドビシステムズ社製のグラフィックデザイン描画ソフトウエア「Photoshop」(登録商標)を用い、TIFF形式で8bitの画像濃淡階調(256階調)で2540dpiの解像度の濃淡画像データを作成した。この濃淡画像データを凹凸模様画像データともいう。
図17に示したようなエンボス版彫刻用の金属ロール20を準備した。金属ロール20は、軸方向両端部に回転駆動軸(shaft)21を有する中空の鉄製の円筒の表面に銅層をメッキ形成したものである。砥石で金属ロール20の表面を研磨して粗面化し、彫刻用レーザ光の鏡面反射による彫刻効率の低下を防止する処理をした。
図17に模式的に示したように、レーザ光直接彫刻機を用い、工程(2)で用意した金属ロール20の表面を工程(1)で作成した凹凸模様画像データに基づき彫刻する。これによりその表面に化粧材表面の溝13による凹凸模様と同一平面視形状で且つ逆凹凸(化粧材の凸線条に対応する部分がエンボス版面上では凹線条となる関係)の凹凸形状を形成した。
従ってエンボス版における凹凸模様が備えるべき形状は、上記した化粧材における溝13による凹凸模様の凹凸関係が反転した態様であり、同様に考えることができる。
金属ロール20をその回転駆動軸21を介して電動機で駆動し、回転駆動軸21を中心軸として回転する。レーザーヘッド22から出射されるレーザ光Pで金属ロール20の表面を走査する。蒸発した金属が粉体となって金属ロール20の表面に残留又は付着することを防止するため、彫刻液吐出口23から彫刻液Tを金属ロール20の表面のレーザ光照射領域に吹き付けた状態でレーザ光照射を行う。
彫刻液を洗浄した後、電解研磨を行い、金属ロール20の表面に付着した金属の残渣を除去した。
工程(4)の後、金属ロール表面にメッキにより厚さ10μmのクロム層を形成した。
基材としてポリオレフィン系樹脂等の熱可塑性樹脂からなる樹脂シートを用いる。この基材を加熱軟化させ、その表面にエンボス版を押圧して該樹脂シート表面にエンボス版表面の凹凸模様を賦形する。そして樹脂シートを冷却して固化させて樹脂シート上の凹凸模様を固定する。その後に凹凸模様が賦形された樹脂シートをエンボス版から離型する。
ここで、各種エンボス加工法について、さらに説明すると例えば次の(A)から(E)のような方法がある。
(B)エンボス版を押圧する時の熱圧で表面シートとなる樹脂シート(基材)とベースシートとする樹脂シート(第2の基材)とを熱融着することにより、エンボス加工とラミネートとを同時に行うダブリングエンボス法によりエンボス加工する。
(C)表面シートとする樹脂シート(基材)を、Tダイから溶融押出しをし、冷却ローラを兼ねるシリンダ状のエンボス版上に接触させて表面シートの成膜と同時にエンボス加工する。このとき、さらに表面シートの裏面側に挿入したベースシートとする樹脂シート(第2の基材)を熱融着させてダブリングエンボスを成膜と同時に行う。
(D)特開昭57-87318号公報、特開平7-32476号公報等に開示の如く、シリンダ状のエンボス版の表面に電離放射線硬化性樹脂の未硬化液状物を塗工する。さらにその上に、樹脂シート等からなるベースシートを重ねた状態で電離放射線を照射して未硬化液状物を硬化させて硬化物とする。その際、該硬化物をベースシートと接着させた後、エンボス版から離型して、ベースシートと該ベースシート上の硬化物とからなる基材とすることで、基材にエンボス加工する。
(E)チタン紙等の紙にメラミン樹脂等の熱硬化性樹脂の未硬化物を含浸した含浸紙を、コア紙、木材合板上等の裏打材上に載置して、これら載置した複数層を熱プレス成形することによって各層を積層一体化して熱硬化性樹脂化粧材を作製する。そのとき、含浸紙表面側にエンボス版を挿入することによって、熱硬化性樹脂を含浸硬化させて化粧材とする際にその表面に熱プレスと同時にエンボス加工する。
これにより、余分なインキを除去することができるとともに溝13内にインキを押し込むことができる。そして本形態では、図18に直線矢印で表したように、ドクターブレード30を溝13が延びる方向(y方向)に対して直交する方向(x方向)に移動することで行う。すなわち、溝13が延びる方向であるy方向に対して直交するx方向にドクターブレード30を移動させる。これにより上記したような本開示固有の新規なインキ部14の形状、すなわち、溝13の第一傾斜部S1側のインキ部厚さが第二傾斜部S2側のインキ部厚さより大きいインキ部の溝内厚さ分布を容易に形成することができる。
そして、適切な方法によりインキを硬化させることにより化粧材10となる。
11 基材
12 模様形成層
13 溝
14 インキ部
Claims (7)
- 溝、及び、該溝内に配置されたインキ部を備える化粧材であって、
前記溝が延びる方向に対して直交する方向の断面において、
前記溝の一端から前記溝の最深部に延びる第一傾斜部、及び、前記溝の他端から前記溝の最深部に延びる第二傾斜部を有し、
前記溝の一端と前記溝の他端とを結ぶ線分と、前記溝の一端と前記溝の最深部とを結ぶ線分とがなす角をθ1、とし、
前記溝の一端と前記溝の他端とを結ぶ線分と、前記溝の他端と前記溝の最深部とを結ぶ線分とがなす角をθ2、としたとき、
前記θ1が前記θ2よりも大きい溝を含む、化粧材。 - 前記インキ部表面は、前記断面において、該溝の開口している方向に対して凹状に窪んでおり、前記第一傾斜部におけるインキ部平均厚さが前記第二傾斜部におけるインキ部平均厚さよりも大きい、請求項1に記載の化粧材。
- 前記インキ部は、前記断面において、前記第一傾斜部及び前記第二傾斜部の少なくとも一方の一部を覆うことなく配置されている請求項1又は請求項2のいずれかに記載の化粧材。
- 前記第一傾斜部及び前記第二傾斜部の少なくとも一方は、前記断面において階段状である、請求項1から請求項3のいずれかに記載の化粧材。
- 前記インキ部は、前記階段状のうち出隅部の少なくとも1つを覆うことなく配置されている請求項4に記載の化粧材。
- 前記溝は、平面視において、非直線状に延びている請求項1から請求項5のいずれかに記載の化粧材。
- 前記溝は、平面視において、蛇行して延びている請求項1から請求項5のいずれかに記載の化粧材。
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- 2020-09-25 EP EP20869351.5A patent/EP4036348A4/en active Pending
- 2020-09-25 AU AU2020352135A patent/AU2020352135A1/en active Pending
- 2020-09-25 WO PCT/JP2020/036431 patent/WO2021060530A1/ja active Application Filing
- 2020-09-25 CN CN202080065041.2A patent/CN114423620B/zh active Active
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EP4036348A4 (en) | 2022-12-07 |
EP4036348A1 (en) | 2022-08-03 |
CN114423620B (zh) | 2023-06-20 |
US20220332082A1 (en) | 2022-10-20 |
CN114423620A (zh) | 2022-04-29 |
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