Background technology
Boudle (Insert mold decoration in the mould, be called for short IMD) be a kind of novel decoration technique, it mainly is that the cured film that will complete is put in the mould of ejection formation, in plastic material is injected this mould when forming object, aforementioned cured film just can directly be inlaid on the surface of this object, and with object combination regularly, common object with cured film has: the shell of information products, the panel of household appliances, upholstery spare etc.
The kind of cured film was a lot of in the past, wherein Fig. 1 is that TaiWan, China is announced the M286119 utility model, the disclosed multilager base plate 1 of this utility model has solid grain and high reflection characteristic, it mainly comprises: one has PET (poly terephthalic acid polyglycol ester) film 11 of convex-concave surface, this PET film 11 is made for transparent or semitransparent material, and comprise the depressed part 112 of a plurality of juts 111 and a plurality of relative indents, described multilager base plate 1 also comprises: one is formed on these PET film 11 bottoms and with its concavo-convex aluminium lamination 12, EVA (vinyl-vinyl acetate copolymer, ethylene-vinyl acetate copolymer) glue-line 14 on PET base plate 13 with a burnishing surface 131 and the burnishing surface 131 that aluminium lamination 12 is bonded in this PET base plate 13.Aluminium lamination 12 reflections of borrowing the concaveconvex structure of this PET film 11 and being positioned at these PET film 11 belows; can allow multilager base plate 1 show solid grain; the visual effect that has high light simultaneously; if will increase the color change of this multilager base plate 1; can the pattern color layer be set at the depressed part 112 of this PET film 11; in the surface that the pattern color layer is set the PU protective seam is set again, just can prevents that the pattern color pull-up from falling.
Though the disclosed multilager base plate 1 of aforementioned utility model can borrow this aluminium lamination 12 to produce the visual sense of light; but no matter be to adopt plating, evaporation or sputter to form this aluminium lamination 12; all need procedure of processing one; so its manufacturing cost is higher; and the fit system of this aluminium lamination 12 and PET film 11; can only produce the visual effect of light; if will form pattern; also need the pattern color layer be set at the depressed part 112 of PET film 11; recycling PU layer is protected this pattern color layer, so the manufacturing step of aforementioned utility model is loaded down with trivial details, manufacturing cost is also higher.
And being TaiWan, China, Fig. 2 announces the M306931 utility model; a kind of decoration panel 2 with logic light line is disclosed; this decoration panel 2 comprises: the sheet 21 of a light-permeable; above-mentioned sheet 21 has an end face 211 that is provided with logic light line and at least one runs through the fenestra 213 of this end face 211 and a bottom surface 212, and described decoration panel 2 also comprises: a last ink lay 22 that is positioned at these end face 211 tops; a polishes layer 23 that is positioned at ink lay 22 tops on this; a protective seam 24 that is used for protecting this polishes layer 23; background ink lay 25 and an adhesive-layer 26 that is positioned at these background ink lay 25 bottoms that is positioned at 212 belows, bottom surface of this sheet 21.Utilize described upward ink lay 22 and background ink lay 25 to show color and figure, and pass through the design of polishes layer 23 and protective seam 24, can improve the durability degree of ink lay 22 on this, produce bright visual sense simultaneously.Had preferable color change and light sense though have the decoration panel 2 of logic light lines in the past, its processing procedure is quite complicated, and the per pass processing procedure all needs accurate contraposition, so the processing difficulties degree is higher when making.
Summary of the invention
It is simple to the purpose of this invention is to provide a kind of processing procedure, and can produce the cured film with solid grain of seven color effects.
Cured film of the present invention comprises: a substrate layer and a solid grain layer that is combined on this substrate layer, this solid grain layer comprise that at least one can allow incident light produce the dispersion area of spectrophotometric result and at least one and can allow the diffusion area that produces diffusion effect into coloured light.
The dispersion area of this cured film of the present invention comprises many prominent bars of arranging with regular fashion, and this diffusion area comprises a plurality of irregular diffusions face of dashing forward, the projecting height of the prominent face of described diffusion is greater than the projecting height of the prominent bar of this dispersion area, and this dispersion area also can be a plurality of prismatic columns of arranging with regular fashion.
The projecting height of the prominent bar of this cured film of the present invention is between 1 μ m to 20 μ m, distance between adjacent prominent bar is between 2 μ m to 30 μ m, and the difference in height of the projecting height of the projecting height of the prominent face of the diffusion of this diffusion area and described prominent bar is preferable between 2 μ m to 10 μ m, and is best between 3 μ m to 7 μ m.
The xsect of the prominent bar of this cured film of the present invention is selected from: triangle, circular arc, semicircle and trapezoidal.
Cured film with solid grain of the present invention, size and the projecting height of the prominent face of the diffusion of this diffusion area are irregular.
Cured film with solid grain of the present invention, the projecting height of described prismatic column are between 1 μ m to 20 μ m, and the difference in height of the projecting height of the projecting height of the prominent face of the diffusion of this diffusion area and described prismatic column is between 2 μ m to 10 μ m.
The substrate layer of this cured film of the present invention is selected from polycarbonate and the poly terephthalic acid polyglycol ester of printing opacity, and described solid grain layer is made of the UV glue light-hardening resin, and it is that resin, acrylic acid series-epoxy resin resin and polycarbamate are resin greater than acrylic resin, the epoxy of 1H that this UV glue light-hardening resin is selected from hardness.
Beneficial functional of the present invention is: borrow and at this solid grain layer dispersion area and the diffusion area that incident light is produced different refraction effects is set, can allow the solid grain of cured film produce different visual sense variations.Because the present invention reaches the effect that pattern is set and produces light with concaveconvex structure merely, thus do not need to arrange especially other reflector layer or patterned layer during fabrication, and have the simple effect of processing procedure.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples.
Before the present invention is described in detail, be noted that in the following description content, similar elements is represented with identical numbering.
Consult Fig. 3, Fig. 4, Fig. 5, first preferred embodiment of cured film 3 of the present invention can utilize the technology of inlaying in the mould to be combined on the object 41, described object 41 can be outward appearance lagging, upholstery of the shell of household electrical appliances or panel, upholstery etc., in order to increase the variability of color or pattern, can also form an ink lay 42 earlier in a side of cured film 3 expectations and object 41 combinations in conjunction with preceding, and be coated with a tack coat 43.And this cured film 3 comprises: substrate layer 31 and the solid grain layer 32 that is molded on this substrate layer 31 that supplied ink layer 42 adheres to, in the present embodiment, this substrate layer 31 can be by the poly terephthalic acid polyglycol ester (Polyethyleneterephthalate of printing opacity, be called for short PET) or polycarbonate (Polycarbonate is called for short PC) one-body molded.
And this solid grain layer 32 is a kind of ultraviolet ray (ultraviolet with scratch resistance anti-soil characteristic, be called for short UV) the glue light-hardening resin, concrete example is as acrylic acid series (acrylic) resin, epoxy system (epoxy) resin, acrylic acid series-epoxy resin resin, polycarbamate system (polyurethane) resin etc., in order to reach preferable scratch resistance, it is preferable greater than 1H that the material of this solid grain layer 32 is selected with hardness, hardness described herein is to utilize Elcometer company to produce, model is 3086 pencil hardness meter, gets according to JIS K 5600 standard testings.Above-mentioned solid grain layer 32 comprises diffusion area 321 and dispersion area 322 that is centered around around the described diffusion area 321 and has spectrophotometric result of a plurality of stepped appearances and oblique extension.In the present embodiment, each diffusion area 321 has a plurality of joining but the prominent face 323 of erratic diffusion, in the present embodiment just, described diffusion area 321 is figures that rectangle joins, but also can be various literal, figure, lines etc. in design, the size of the prominent face 323 of the diffusion of described diffusion area 321 and highly different, therefore, when incident light projects described diffusion area 321, can produce irregular diffusion phenomenon, thus, the visual sense effect of GTG atomizing just can't be concentrated and present to incident light.
The dispersion area 322 of present embodiment comprises that many alongst neatly are spaced and contour prominent bar 324, and each prominent bar 324 has the dip plane 325 of two bottom intervals and circular arc that connection is positioned between 325 apical margins of described dip plane connects face 326.Because each prominent bar 324 of this dispersion area 322 of present embodiment is regular structures, therefore, when incident illumination is mapped to one of them dip plane 325 of prominent bar 324, incident light can be regularly by another dip plane 325 refractions and generation spectrophotometric result, so the dispersion area 322 of present embodiment can produce the effect of seven coloured silks because of the light splitting of incident light.
Result of study according to the inventor is found, in order to allow diffusion area 321 and dispersion area 322 produce preferable contrast, the distance P that the circular arc of the adjacent prominent bar 324 of the dispersion area 322 of present embodiment connects between the apical margin of face 326 is good with 2 μ m to 30 μ m, and with 2 μ m to 15 μ m for better, and the projecting height H1 of described prominent bar 324 is preferable with 1 μ m to 20 μ m.As for the projecting height H2 of the prominent face 323 of the diffusion of this diffusion area 321 of present embodiment, all greater than the projecting height H1 of prominent bar 324, and the difference in height of 1 of projecting height H2 and projecting height H is preferable with 2 μ m to 10 μ m, and with 3 μ m to 7 μ m for better.That is to say, in the design of the present invention's first preferred embodiment, when the projecting height H2 of the prominent face 323 of the diffusion of this diffusion area 321 is more high, the diffusion effect that produces is more good, just Wu Hua effect is more obvious, thus, just can produce comparatively significantly contrast with highly relatively low dispersion area 322.
Certainly, this dispersion area 322 of present embodiment and diffusion area 321 can form decorative patterns such as various braidings, logic, it perhaps is trade mark, leather lines etc. pattern, perhaps can be the literal collocation, it also can utilize difference in height to produce different brightness effect, explains with figure no longer one by one herein.The yardstick of the distance P of present embodiment is more little again, more can produce the obvious visible spectrophotometric result of naked eyes, but the littler limit that then has in the output processing of yardstick.And the restriction of the scope of this projecting height H1 mainly is to be considered by spectrophotometric result and machining tool, and the scope restriction of this projecting height H2 mainly is to be considered by the generation of diffusion function and the application characteristic of cured film 3.
This cured film 3 of present embodiment during fabrication, this substrate layer 31 of moulding at first is coated on the UV glue light-hardening resin surface of this substrate layer 31 again, selects then to carry out batch making or making continuously with flat plate mold or roller die.To be fabricated to example continuously, present embodiment during fabrication, with the microscopic carvings lithography concave convex texture with respect to this dispersion area 322 and diffusion area 321 is set on the surface of a roller die, when this UV glue light-hardening resin coating is crossed in this roller die roll extrusion, again with ultraviolet light by this UV glue light-hardening resin coating of back side illuminaton, behind the microstructure curing molding of UV glue light-hardening resin coating, just finish the manufacturing of present embodiment cured film 3.For the color that improves product and the variability of pattern, present embodiment can be again with printing technology, print this ink lay 42 in these substrate layer 31 bottom surfaces, and in the bottom of ink lay 42 coating adhesive coating 43, use the interior embedding technique of mould that aforementioned combination is incorporated at last and just finish combination on the object 41.
When ray cast during to cured film 3 surperficial, arrive the incident light of erratic diffusion area 321 owing to can't concentrate, so can produce the visual effect of cloudy surface, and project the incident light of the dispersion area 322 of rule, refraction in the dip plane 325 of passing through prominent bar 324 then can produce seven color effects of light splitting.Because this cured film 3 of present embodiment forms the different zone of the depth with the very simple die marks of processing procedure fully, and produces the effect of light splitting and atomizing, so this cured film 3 of present embodiment has the simple effect of processing procedure really.In addition, the diffusion area 321 of present embodiment and dispersion area 322 are owing to the UV glue light-hardening resin that is stain resistant is made, so the formed pattern of present embodiment also has non-damageable effect.
What specify is; because this substrate layer 31 of present embodiment and solid grain layer 32 all are to adopt light transmissive material to make; so cured film 3 not only can be protected ink lay 42; the pattern of this ink lay 42 also can be showed by cured film 3; the pattern of aforementioned ink lay 42 the arrange in pairs or groups dispersion area 322 that can produce seven color effects and the diffusion area 321 that can produce atomizing effect can produce the visual effect of splendid color change and light again.
Consult Fig. 6 and Fig. 7, the structure of second and third preferred embodiment of cured film 3 of the present invention first embodiment that makes peace greatly is similar, different places are: the prominent bar 324 of the cured film 3 of this second preferred embodiment, except having two dip plane 325, also have a crest line 327 that is engaged between 325 apical margins of described dip plane, and the prominent bar 324 of the cured film 3 of the 3rd preferred embodiment has a knuckling face 328.That is to say, from cross-sectional view, the prominent bar 324 of first preferred embodiment is the triangle of an apical margin circular arc, second preferred embodiment is a triangle that apical margin is sharp keen, the 3rd preferred embodiment is semicircle, this xsect also can be trapezoidal, circular arc etc., but with regard to spectrophotometric result, is preferable with the sharp keen triangle of second embodiment.Because the prominent bar 324 of this second and third preferred embodiment of the present invention all is the list structure of rule, so previous embodiment also can allow incident light produce the effect of refraction, light splitting.
Consult Fig. 8, structure and first embodiment of the 4th preferred embodiment of cured film 3 of the present invention are similar, so also comprise a substrate layer 31 and a solid grain layer 32 that is positioned at these substrate layer 31 tops, this solid grain layer 32 also is to have at least one diffusion area 321 and at least one dispersion area 322, the difference of present embodiment and first embodiment is: the dispersion area 322 of the 4th preferred embodiment has the prismatic column 320 of a plurality of neat dense arrangement, because prismatic column 320 also is to have to allow incident light produce the effect of light splitting, so the present invention's the 4th preferred embodiment also has the described effect of first embodiment.
In sum, this cured film 3 of the present invention is except can utilizing simple processing procedure moulding, also can utilize the prismatic column 320 of cross section prominent bar 324 triangular in shape, semicircular or arrangement regulation to produce the effect of light splitting, the above-mentioned spectrophotometric result atomizing effect that diffusion area 321 produces of arranging in pairs or groups again can allow the visual effect of whole cured film 3 more obvious, changeableization really.