CN107656424A - The preparation method that the pattern of tool texture is made using photopolymerizable material - Google Patents

Abstract

A kind of preparation method for the pattern that tool texture is made using photopolymerizable material, the method made by espespecially using plate-making technologies such as laser carved and chemical etchings, wherein including:High-resolution template and image Mold Making；The polyurethane structural production of replica color；Sandwich construction produces；Automatic mold filling；And texture contrast coating.

Description

The preparation method that the pattern of tool texture is made using photopolymerizable material

Technical field

A kind of preparation method of pattern, the making side of espespecially a kind of pattern that tool texture is made using photopolymerizable material Method.

Background technology

The matrix material of the upper-part of footwear is by such as leather, screen cloth, dry goods or other tool reinforcings or particular mechanical properties Or the material such as color or decoration, the upper-part thickness of general footwear is in 0.2mm~4mm, the production of this part and mounting technique Leather cutting and splice program are obtained before originating in a century, caused glue pasted technology and is introduced into shoes between past 25 years Market, wherein there is two kinds of mount technologies:(1) glue solution and (2) are by by the one of the high-temperature activation on the upper-part surface of footwear Hot melt layer；So both above-mentioned technologies must all use pre-cut film, then be embossed technique, and so-called embossed technology is using heat or high The reticulate pattern mould of frequency sensing heating, one pattern of output according to this, wherein, suture and heater heating and embossing afterwards Process needs substantial amounts of time and the consumption of manpower and the energy, and can not be produced in same production line.

The new method based on two component polyurethane has started to use in the production of footwear in the past ten years.This method makes The part of direct footwear is obtained in upper material.Sample is made from milling using hardware dies and milling in the method, or the shape that casting is negative.Mould Tool is removed filled with the two component polyurethane being pre-mixed, then by the polyurethane of excess with scraper.Once the urethane composition Mixing, polymerization start and the viscosity that mixes from tens centipoises rise to final hard polymer when, this moment when viscosity reaches about The upper substrate of 20000 centipoises, it is attached under stress.It is high viscous in the interstage of polymerization and the ability for penetrating into a substrate Attached polyurethane performance, eliminates the necessity to glue.Removing polyurethane excess with scraper does not allow to use more than one simultaneously Color process.Therefore, polychrome printing requirement is for the different mould of each color.

It is the release from mould to produce the problem of adding in polyurethane portion.Reactive polyurethane combination is glued with high Knot ability.When using in aluminum die, silicon remover should spray to prevent the cohesive of polyurethane on the face of the die.Production hundred The spray procedure of needs million of ten thousand shoemaking production.

The limitation of this printing process is：Up to 70% polyurethane material wastes, and high mould cost, fixture resolution passes through The limitation of milling apparatus (up to 500lpi), single color printing, discharges problem and excessive manual work.

The existing method of negative norm is to be based on the object being inserted into silicon or cast polyurethane composition.When founding materials When solidification is completed, object is removed, and cavity is used as mould.This method is widely used in the industries such as concrete, candle. The shape of mould and the quality on surface are the attributes of identical object.This method can reproduce very fine texture.Pouring Vacuumizing for note liquid polymer composition, is generally used for air and misses removing.

3D objects can pass through ink jet printing (Objet companies), FDM printings (Stratasys companies), three-dimensional (3D systems) Produced with UV printing machines (Massivit3D) 3D printer.

Photopolymer printing plate technology is used for printed panel in printing industry and makes (flexo, convex print and liquid polymers skill Art).As the 3D printing technologies compared, this technology is relatively cheap.The advantages of other technology is high-resolution, its point Resolution can reach the line of per inch 8000.Making, imaging and the developing process of photopolymer printing plate are retouched in each patent State (for example, US7419766B2, Kimelblat).

US5594989 (Greve) introduces the preparation method that board mold how is printed using jewellery production o photopolymerizable.The party Method is including the use of photochemical discussion and two-dimentional negative image and photo polymer plate production model, and ultraviolet irradiation and following uncured Photosensitive polymer washing after caused pattern form, and application lost-wax process casting technique carries out stripping operation.

US4668607 (Wojcik) describes more o photopolymerizable pattern templates and made, and is produced by former.This method bag Include to preceding and caused multilevel hierarchy back light polymeric plate exposure program.Photopolymer mould is filled with the bronze of sand mixture The wax of casting.

US2014/0147634A1 (Dale) descriptions utilize the soft version 3D moulds oneself carried out as the mould of sclerosing liquid Tool makes.

US2014/0020191A1 (Jones) describes clothes and footwear 3 D-printing process.Printing unit and substrate it is viscous Attached is to be permeated to provide by printing material.Unspecified printing process.

The content of the invention

The present invention relates to a kind of inexpensive, the method produced in the outer surface quality exquisiteness on polychrome automatic shoe.Have in footwear The material used in industry it is a series of：Dermatine, perforated substrate, substrate of close grain etc., these materials can pass through The urethane foundry process that is attached directly on footwear replaces.Grain details size can be the scope from several microns to several millimeters It is interior.

The program comprises the steps of:

1. high-resolution template and image Mold Making

2. the polyurethane structural production of replica color

3. sandwich construction produces

4. automatic mold filling

5. texture contrast coating

First, high-resolution template and image Mold Making：

The preparation method of high resolution mold is divided into two stages, wherein including：Beat version and mould production.Pattern made Journey is the method for plate-making technology or direct engraving based on photopolymer printing plate, forms appropriate image resolution ratio according to this, Processing procedure pole need to depend on technical quality in this way.

Wherein, photopolymer printing plate is widely used in printing industry, wherein famous manufacturer is such as:DuPont, Flint, MacDermid, Toyobo, Toray, Sumitomo Riko, Kodak, wait company, the thickness of photopolymer printing plate Degree is usually 0.3~12mm, and can be adjusted with pattern thickness.

Fig. 1 is refer to, shows the fabrication schedule of photopolymer printing plate, comprising：After ultraviolet light is irradiated by negative film, The photopolymer position without ultraviolet light is being rinsed, then through 60 DEG C of baking steps, that is, is completing plate-making program.

It refer to Fig. 2 again, show a negative construction, one by (1) between opacity and transparent section (2) separately thin Film.The production of negative film is high by laser ablation (Esco, FlexoLaser), simulation thin film (Fuji), Digiflex and Kodak Up to the technology of 10000DPI resolution ratio.PP is caused to solidify due to being shone cruelly by ultraviolet in transparent section, and opaque section Still retain uncured PP.Then PP plates are proceeded into flushing process, removes uncured polymer according to this.It is can be through washing And the hot photopolymer printing plate that can be washed through solvent.

In washing process, clear water washing, solvent washing and photopolymerization fusing step are each to carry out respectively.Formed Pattern form is left part after uncured photopolymer is rinsed out.Therefore the pattern form is to pass through exposure The setting of light and negative film discloses parameter and determined.The shape and quality of pattern are that list is determined by negative film.

High-resolution texture can only be formed on the surface of pattern.The three-dimensional structure of pattern is to hide mould by o photopolymerizable by 2D Made by thing exposure.The depth of texture thin portion has correlation with its linear size.Fig. 7 is refer to, black line (13) can be passed through The different thickness (dline) that are formed with transparent section matte (14, Fig. 7) prove.In Fig. 7, produced by embossment by line Depth it is different from 2x dline to~0.1x dline, depending on ultraviolet irradiation exposure degree.High UV exposures cause phase To low relief depth (15).Low UV exposures cause relatively high relief depth (16).

Therefore, the detail size and overall exposing degree (such as Fig. 7) that relief depth is depended on matte.It is each photosensitive poly- Compound galley has the indivedual different susceptibilitys of light for being irradiated.Finally cause, relief depth depends on photosensitive poly- Close light sensitivity, exposure and the negative construction of galley.The directly proportional detailed structure size in matte texture of depth of texture.

Direct engraving technology can be used for the surface texture of pattern-making.In such a method, system is produced according to program language The 3D patterns that laser ablation plate is carved, there is up to 4200dpi resolution ratio.Direct engraving material and engraving machine be by Stork, SPG, Kodak, Hell and other associated companies are produced.

The depth of texture thin portion has correlation with its linear size.Refer to Fig. 7, can by black line (13) with it is transparent Different thickness (dline) that section matte (14, Fig. 7) is formed prove.In Fig. 7, as embossment as caused by line depth It is different from 2xdline to~0.1xdline, depending on ultraviolet irradiation exposure degree.High UV exposures cause relatively low float Carve depth (15).Low UV exposures cause relatively high relief depth (16).

Therefore, the detail size and overall exposing degree (such as Fig. 7) that relief depth is depended on matte.It is each photosensitive poly- Compound galley has the indivedual different susceptibilitys of light for being irradiated.Finally cause, relief depth depends on photosensitive poly- Close light sensitivity, exposure and the negative construction of galley.The directly proportional detailed structure size in matte texture of depth of texture.

Direct engraving technology can be used for the surface texture of pattern-making.In such a method, system is produced according to program language The 3D patterns that laser ablation plate is carved, there is up to 4200dpi resolution ratio.Direct engraving material and engraving machine be by Stork, SPG, Kodak, Hell and other associated companies are produced.

Making of the different chemical etching step for pattern is highly useful, is in template to be etched in this method On establish the protective coating in a part of region and carry out follow-up etching operation according to this, the material of etching is radiated selected from can pass through UV The photosensitive polymer of polymerization is carried out, a uniform unexposed polymeric layer is coated in galley surface first, deposits at present In the exposure technique of two kinds of photosensitive polymers, one is causing the regional exposure of predetermined exposure (such as Fig. 2 institutes by negative film template Show), shone the second is being exposed by the UV laser lights (Lusher) of high discrimination degree.

After the program of the illumination contact of selectivity, mould or the exposure of direct engraving technology are hidden from photo polymer plate by negative film Pattern is prepared to prepare (as shown in Fig. 8 17) for following mould.The mold materials use of highest version eliminates release spraying.This Be high quality texture reproduce it is particularly important, when release spray-up can block grain details and reduce quality.

The cast silicon rubber of any grade may be used as the mold materials with high release performance.Silicon castable polymer is Produced by companies such as DOW, Wacker, KDL, Polytek.The castable siloxanes has different mixing viscosity, during casting Between and mechanical performance.Said composition can include advanced property mineral filler.Mould production is utilized in traditional casting process, By silicon compound (18) on the pattern to be inclined and then evacuating (as shown in Figure 8).When reaching demoulding time, by the mould (19) separated from the pattern (17, Fig. 8).The second mould mode of production is the polymer using melting.These polymer are poly- Propylene, polyethylene, PA polybutyleneterephthalate etc..Melt is poured on pattern, vacuumizes and cools down.Plastics husking after cooling treatment Separated from pattern.

Wherein the production mould is filled with urethane composition, and the urethane composition includes polyisocyanates, polynary Alcohol, organic pigment, pigment dispersing agent, polymerization catalyst body, UV absorbents, yellowing-resistant additive and surfactant.And at this The use of polyurethane chemistry is to be based on public liquid two component polyurethane technology in method.Polyurethane parts supplier is Germany Bayer, BASF, Polytek etc..Polyurethane surfactant is responsible for die surface wetting.

The use of polyurethane chemistry is in the method to be based on public liquid two component polyurethane technology.Polyurethane parts supply Trader is German Bayer, BASF, Polytek etc..Polyurethane surfactant is responsible for die surface wetting.The low table of mould The polymeric material of face tension force, just like the polymer such as silicon and polyolefin (such as:Polypropylene, polyethylene), it is necessary to require extremely low table The surface tension of the urethane composition of face tension force, the wherein urethane composition should be less than 30 dynes/centimeter, preferably Less than 25 dynes per centimeters.Furthermore the surface tension for reducing urethane composition is to utilize surfactants to reach, wherein should Surfactant is to include following species:BYK348,BYK349,BUK307,Capstone FC-51,Capstone FC-50, Dabco DC193, Dabco5598, Dabco LK-221, and other etc..

2nd, the polyurethane structural production of replica color

The mechanism that the urethane composition of several colors must use isolation prevents the diffusion between composition and material according to this Material migration, reaching for prevention mechanism is by the creation of a boundary wall, and the formation of boundary wall is the black line on matte.Such as figure nine hides Black line part (20, Fig. 9) on piece, expose and shine through preset light sources, slotted eye will be produced on flexible print plate (flexo plate, 21) (22), in this way i.e. as shown in figure 9, boundary's wall in mould is formed, the thickness of black line, the susceptibility of galley and exposure are by shadow The thickness and height of boundary's wall are rung, wider line footpath will cause higher boundary's wall, and higher exposure also to cause boundary's wall Rising, make according to this mould because the different color lump area of color (24,25) is formed, be packed into boundary's wall (23) severally and separated The restricted area (26, as shown in Figure 10) gone out, and the altitude range of boundary's wall be 0-100% galley thickness and 100% point From the color of PU compositions.

3rd, sandwich construction produces

Cast polyurethane can be completed by following steps in mould, wherein can use different materials in each step The layer of material.Material perfusion in each step, then solidifies, is further continued for applying for lower floor afterwards.The reverse mould of multi-step causes Make the sandwich construction of multi-form polyurethane kenel and other materials, the stratotype material is the polyurethane of different stage, foaming Polyurethane, epoxy polymer, polymer melt, polymer solution, polymeric dispersions, product, film and fiber, wherein when , must drying before lower floor is applied when the layer material contains liquid solvent.The sandwich construction that process is created according to this has specific Thickness degree, it is suitable for the production of composite, such as the structure and other related applications of dermatine or enhancing polymer. It refer to shown in Figure 11, be the topology example of a dermatine, including three layers：Pedestal (27), polyurathamc (28) and Dermatoglyph layer (29).

4th, automatic mold filling

Mould is mounted according to to-fill procedure by X-Y directions stepper motor mobile work platform.Dynamic model is by polyurethane injection Rifle liquid polyurethane composition is filled up.Urethane composition can be preheated before injection.Mould is filled by polyurethane injection Rifle, each specific urethane composition and colored number are completed.Cavity filling process is delivered to polyurethane composition mould to be added After heat, substrate connection, and prepare to remove program from mold.

5th, texture contrast coating

Attachment has texture on the surface, and carefully upper material polyurethane component can paint contrast raising.This mapping program is in table The ink layer of finishing coat 2-50 microns.The drawing is by traditional printing technology, such as anilox printing, bat printing, roller printing It is made.Aberration between ink and polyurethane provides the image of high-contrast degree from several meters of spacing visible ray, and not by shade The texture of effect polyurethane in itself.

Brief description of the drawings

Fig. 1-1~1-3 is photo polymer plate development sequence.

Fig. 2 is that mask arrangement is born in transparent and nontransparent region.

Fig. 3 is the schematic flow sheet made to pattern for hiding mould.

Fig. 4 is the photopolymer solidification process schematic diagram carried out according to the transparent region for hiding mould.

Fig. 5 is the photopolymerization plate textured pattern schematic diagram after solidification.

Fig. 6 is the pattern schematic diagram that (such as Fig. 5) is made up from partially cured photopolymerization plate of washing process.

Fig. 7 is the signal reduced with photopolymer printing plate texture relief depth caused by the thickness and light exposure of black line Figure.

Fig. 8 is the pattern on mold materials injection top and the demoulding program schematic diagram of finished product.

Fig. 9 is that schematic diagram is made in the boundary's wall generated by mask black line.

Figure 10 is and respectively contact of the height of boundary's wall than inner side polyurethane material and the outer wall by the height of Liang Ge circle walls Effect caused by the difference of nominal plate depth and when separating polyurethane material, the height of boundary's wall is by equal to the signal of plate embossment Figure.

Figure 11 is the sandwich construction schematic diagram made of pouring into a mould the order of different layer of polyurethane.

Figure 12 shows that polyurethane surface spray painting is schemed with anilox roll texture comparison.

Figure 13 is the diagrammatic illustration that pattern makes image.

Description of reference numerals in figure：

1 transparent section 2 between opacity

The transparent section matte 14 of black line 13

Relief depth 15,16 patterns 17

The mould 19 of silicon compound 18

The flexible print plate 21 of black line part 20

The boundary's wall 23 of slotted eye 22

Color lump area 24,25 restricted areas 26

The polyurathamc 28 of pedestal 27

The upper shoe part part 30 of dermatoglyph layer 29

Gray scale image 31,38 anilox rolls 32

The resolution ratio 34 of reticulate pattern 33

The letter 36 of the hollow out of texture 35

Entity letter 37

Embodiment

Specific embodiment 1

Figure 13 shows the simple circle screen image of one 150 resolution ratio (34) 10%, wherein comprising 4 texture types (35), engraving Empty letter (36), and each 6 entity letters (37) of 0.2 millimeter of white line that letter is surrounded with and gray scale image (38). Wherein negative object is to image in the 1.7mm DuPont Cyrel made of the laser beams of an ESCO CDI Spark 4835 On DSP67 flexible printing plates.

Disk main exposure is to match beautiful 1000 exposing unit by E.I.Du Pont Company, 20 minutes.Backboard exposure is not employed.Flexo Plate, after development treatment (photosensitive resin 1000P, solvent carrying out washing treatment device), it is used as the pattern of silicon mould production.White line week Enclose positive letter and produce 0.3 millimeter of wall of 0.2 mm in width and height.Silicon castable bi-component glue, Polytek TinSil70-60, Mix and be poured on flexographic plate.After silicon rubber solidification, about 20 hours, mould is separated from flexo plate.

The limitation mail of wall is filled with colored Du and draws ELAST80 liquid two component polyurethane from more adding chemical color in the past Material：Yellow, orange, red, black, brown and pink etc..Coloring process is by adding 5% dyestuff polyalcohol type paste group Compound is completed.There are several points it is noted that wherein PU constituents are to open extension uniformly by boundary's wall 23.Then in whole mould Filled with green pigment coloring identical composition.All processes are filled in again because PU injection machines (matching general SD1) are completed.Mould is pacified Mounted in X-Y steppings axial direction workbench-SXYxC (Yamaha motor corporation), and according to the program in pouring process control bit Move direction and displacement.Wherein parameter setting spraying rate is the 3g/ seconds.Mould is filled through to heat 5 minutes in 70 DEG C of baking ovens.Composition Than the article (polyester webs HF SD2120P, GME) for adhering to 1KG/ square centimeters under stress.With netted solidification after 30 minutes Urethane composition is removed from the molds.Polyurethane permeates the grid for providing good adaptation.All textures are identical Pattern texture.The nominal thickness of polyurethane portion is 1.5 millimeters.Pin texture, per inch 150 caused by minus 10% screen Pin, 50 microns of depth.The front end of pin is respectively 20 microns.Using 2mm detail textures causes with the deep embossments of 1mm.Hollow out Minus (white portion) 14pt letter, it is the depth using 0.5mm that it, which produces polyurethane minus letter,.

Specific embodiment 2

A difference be present in objective for implementation as described herein, contrast specific embodiment 1：It is around each positive alphabetical black line 1mm, rather than 0.2mm.And minus object is to image in the 1.7mm made of the laser beams of an ESCO CDI Spark 4835 On DuPont Cyrel DSP67 flexible printing plates.Galley main exposure is in being matched beautiful exposing unit in 1000 by E.I.Du Pont Company and passed through Go through 20 minutes and complete, and need not be shone cruelly using backboard.The flexo brush board is subjected to development, and (photosensitive resin 1000P washs with solvent Processing routine) after, it is used as the pattern that silicon material mould produces.And the white line around the respectively positive word generates 1 millimeter Boundary's wall 23 of width and 0.8 height.

Silicon castable bi-component glue, Polytek TinSil 70-60, mixes and is poured on flexible printing plate.By silicon rubber After adhesive curing, about 20 hours, mould is separated from flexo plate.And the font filling color limited by boundary's wall 23 is shut out and drawn ELAST80 liquid two component polyurethane and other various color-forming compounds：Such as yellow, orange, red, black, brown and powder It is red.Coloring process is completed by adding the polyalcohol paste based on the component amount of pigment 5%, either with or without polyurethane there Composition is spread out point from the limitation of wall.

Then green pigment coloring identical composition will be filled with whole mould.All pouring processes are noted by polyurethane Molding machine (Saip SD1) is completed.By workbench (SXYxC, Yamaha motor corporation) and root of the mould installion in X-Y steppings axial direction Moved according to the program in pouring process.Wherein parameter：Spraying rate is the 3g/ seconds, and the mould being filled through heats 5 in 70 DEG C of baking ovens Minute, the article (polyester webs HF SD2120P, GME) being then attached to composition under the pressure of 1 kg/cm.

It was removed from the molds after 30 minutes with the urethane composition of netted solidification.Polyurethane infiltration provides good Adaptation grid.All textures are the textures of identical pattern.The nominal thickness of polyurethane portion is 1.5 millimeters.It is negative Pin texture caused by 10% screen, the pin of per inch 150,50 microns of depth, the front end of pin is 20 microns.And use 2mm Detail textures cause with 1mm high reliefs.The polyurethane minus letter that minus (white) 14pt letters are produced uses 0.5mm depth Degree.

Specific embodiment 3

Objective for implementation described herein contrasts specific embodiment 2, difference part be present：It is that resolution ratio 45DPI is generated Screen.Pass through the flexible printing forme wheat moral numeral of the laser of ESCO CDI sparks 4835 (ablation techniques direction) on negative document imager MAF3.96 millimeters.Disk main exposure is to match beautiful 1000 exposing unit, 25 points of completions by E.I.Du Pont Company, and backboard exposure is time-consuming 1 minute.

Again by after flexo plate (photosensitive resin 1000P, solvent carrying out washing treatment device) subjected to development, silicon mould is used as The pattern of production.Positive letter produces 1 mm in width to the wall of 0.8mm height around white line.Silicon castable bi-component glue, Polytek TinSil70-60, mix and be poured on flexible printing plate.

After silicon rubber solidification, about 20 hours, mould is separated from flexo plate.The limitation mail of wall is filled with colored Du Draw ELAST80 liquid two component polyurethanes more chemical from the past：Yellow, orange, red, black, brown and pink.Coloring What 5% composition by adding the polyalcohol paste based on pigment was completed.

Then filled with green pigment coloring identical composition in whole mould.All pouring processes are molded by polyurethane Machine (matching general SD1) is completed.By mould installion X-Y table (SXYxC, Yamaha motor corporation) and according to the program filling During move.Spraying rate is the 3g/ seconds.Mould is filled through, is heated 5 minutes in 70 DEG C of baking ovens.Then composition is attached to 1 Article (polyester webs HF SD2120P, GME) under the pressure of kg/cm.

It is removed from the molds after 30 minutes with the urethane composition of netted solidification.Polyurethane infiltration provides good The grid of adaptation.All textures are the textures of identical pattern.The nominal thickness of polyurethane portion is 3 millimeters.Minus 10% Screen caused by pin texture, the pin of per inch 45, with 100 microns of depth.The front end of pin is respectively 20 microns.It is thin using 2mm Save texture to produce, using 2mm high reliefs.PU on caused negative mail in negative (white) 14pt letters, there is 0.8mm depth Degree.

Specific embodiment 4

Using the mesh sheet as described in specific embodiment 2, negative film is imaged on Kodak NX machine Fujiphoto egative films.Metal Class relief printing plate (the beautiful WS73HII in east) is exposed with vacuum film.The plate exposure exposing unit of Du Pont's photosensitive resin 1000, is carried out 2 minutes Complete.And the flexible printed board, after developing process (AQF Dantex add washing process program), it gives birth to as silicon mould The pattern of production, the white line around eurymeric font generate boundary's wall 23 of 1 mm in width and 0.6 height.The double groups of silicon castable Point glue (Polytek TinSil70-60), by mixing and be poured on flexible printing plate.

After silicon rubber solidification, through about 20 hours, mould is separated from flexo plate.The limitation mail of wall is filled with colored Du Draw ELAST80 liquid two component polyurethanes more chemical from the past：Yellow, orange, red, black, brown and pink.Coloring What 5% composition by adding the polyalcohol paste based on pigment was completed.Then green pigment is filled with whole mould Colour identical composition.

All pouring processes are completed by polyurethane injection machine (Saip SD1).By mould installion in X-Y steppings axial direction work Make platform (SXYxC, Yamaha motor corporation) and moved according to the program in pouring process.Wherein parameter setting：Spraying rate is The 3g/ seconds.Mould is filled through to heat 5 minutes in 70 DEG C of baking ovens.Then composition is attached to the pressure of 1 kg/cm Under object (polyester webs HF SD2120P, GME).Taken after 30 minutes with the urethane composition of netted solidification from mould Go out.

Polyurethane permeates the grid for providing good adaptation, causes the texture that all textures are identical patterns. The nominal thickness of polyurethane portion is 0.6 mm dia, be using 2mm detail textures cause 0.6 millimeter deeply against.Minus The generation of (white) 14pt letters is the polyurethane minus letter from 0.4mm depth, and coloured eurymeric font is by between 1 millimeter Away from cyan urethane composition to each other from.

Specific embodiment 5

Using the mesh sheet as described in specific embodiment 2, negative film is imaged in by the laser of an ESCO CDI Spark 4835 Made of laser on 1.7mm DuPont Cyrel DSP67 flexible printing plates.Galley exposure is to match beautiful 1000 by E.I.Du Pont Company Year, exposing unit was completed through 20 minutes, and nothing is applied to backboard exposure technology.

Flexo plate, after development treatment (photosensitive resin 1000P, solvent carrying out washing treatment device), it is used as silicon mould production Pattern.Positive letter produces 1 mm in width to the wall of 0.8mm height around white line.Polyethylene Ipethene4203, Carmel alkene Hydrocarbon, 140 DEG C are heated to, is poured over relief printing plate.The polyethylene board of thawing be maintained under vacuo 150 DEG C 10 minutes to miss deletion.

Then the plate and polyethylene are cooled to room temperature, and are separated in polyethylene mould from relief printing plate.The limitation mail of wall Being filled with colored Du draws ELAST80 liquid two component polyurethanes more chemical from the past：Yellow, orange, red, black, brown And pink.What coloring was completed by adding 5% composition of the polyalcohol paste based on pigment.Either with or without poly- ammonia there Ester composition is spread out point from the limitation of wall.

Then filled with green pigment coloring identical composition in whole mould.All pouring processes are molded by polyurethane Machine (Saip SD1) is completed.Mould installion is being filled in X-Y table (SXYxC, Yamaha motor corporation) and according to the program Moved during dress.Wherein spraying rate is the 3g/ seconds.Mould is filled through to heat 5 minutes in 70 DEG C of baking ovens.Then it is composition is attached The object (polyester webs HF SD2120P, GME) in the pressure of 1 kg/cm.

It is removed from the molds after 30 minutes with the urethane composition of netted solidification.Polyurethane infiltration provides good close The grid of conjunction property.All textures are the textures of identical pattern.The nominal thickness of polyurethane portion is 0.6 mm dia.It is negative Pin texture caused by 10% screen, the pin of per inch 150,50 microns of depth, the front end of pin is respectively 20 microns.Using 2mm detail textures cause 0.6 millimeter deeply to abut.Type (white) 14pt letter production polyurethane minus letters are using 0.4mm's Depth.

Specific embodiment 6

Using the mesh sheet as described in specific embodiment 2, negative film is imaged on Kodak NX machine Fujiphoto egative films.Metal class The beautiful WS73HII in relief printing plate east is exposed with vacuum film.The plate exposure exposing unit of Du Pont's photosensitive resin 1000,2 points of completions.Flexo Plate, after a development process (AQF Dantex and washing process program), it is used as the pattern of silicon mould production.

Positive letter produces 0.6 millimeter of wall of 1 mm in width and height around white line.Silicon castable bi-component glue, Polytek TinSil70-60, mix and be poured on flexographic plate.After silicon rubber solidification, about 20 hours, mould is separated from flexo plate.Wall Limitation mail is filled with colored Du and draws ELAST80 liquid two component polyurethanes more chemical from the past：It is yellow, orange, red, black Color, brown and pink.What coloring was completed by adding 5% composition of the polyalcohol paste based on pigment.

Then filled with green pigment coloring identical composition in whole mould.All pouring processes are molded by polyurethane Machine (Saip SD1) is completed.Mould installion is being filled in X-Y table (SXYxC, Yamaha motor corporation) and according to the program Moved during dress, wherein parameter setting：Spraying rate is the 3g/ seconds.Mould is filled through, is heated 5 minutes in 70 DEG C of baking ovens.

Then said composition is attached to the article (HF of polyester webs SD2120P, GME) under 1KG/sq.cm pressure.30 It is removed from the molds after minute with the urethane composition of netted solidification.Polyurethane permeates the net for providing good adaptation Lattice.All textures are the textures of identical pattern.The nominal thickness of polyurethane portion is 0.6 mm dia.Using 2mm details Texture causes 0.6 millimeter deeply to abut.PU in minus (white) 14pt letters in caused minus font uses 0.5mm depth Degree, coloured positive font be between the cyan urethane composition by 1 millimeter of spacing from.

With the agglomeration urethane component that is prepared in embodiment 6 coated in laboratory tab flexographic printer with by molten based on black Agent ink filling 150LPI anilox rolls (32) engagement.Gray scale image (31, Figure 13) has the black cyan of high-contrast degree.10% Screen has obtained darkcyan sunshade because the needle point of black pin colours.Solid area is covered by the 100% of black ink, there is ater Ink color.

Have with the agglomeration urethane component prepared in embodiment 6 by pad printer ICN-2200 PS (INKCUPS companies) Uniform black ink RUKO T200-M12 are transferred to polyurethane surface with being printed in the soft silicon pad in gray level image region from PAD plates Brush engagement.Gray scale image (31, Figure 13) has the black cyan of high-contrast degree.

Claims (12)

1. a kind of preparation method for the pattern that tool texture is made using photopolymerizable material, espespecially utilizes laser carved and change Learn the method made by the plate-making technologies such as etching, it is characterised in that include:

High-resolution template and image Mold Making；

The polyurethane structural production of replica color；

Sandwich construction produces；

Automatic mold filling；

Texture contrast coating.

2. making the preparation method of the pattern of tool texture using photopolymerizable material as claimed in claim 1, its feature exists In the patterned layer thickness range is in 0.43~6mm.

3. making the preparation method of the pattern of tool texture using photopolymerizable material as claimed in claim 1, its feature exists In the texture structure in the patterned layer is to be exposed to shine by made by a screening membrane module as light.

4. making the preparation method of the pattern of tool texture using photopolymerizable material as claimed in claim 1, its feature exists In the texture on the surface of the patterned layer is as made by direct engraving technology.

5. making the preparation method of the pattern of tool texture using photopolymerizable material as claimed in claim 1, its feature exists In the texture on the surface of the patterned layer is as made by chemical etch technique.

6. making the preparation method of the pattern of tool texture using photopolymerizable material as claimed in claim 1, its feature exists In the texture depth of the pattern layer surface is by the sensitivity of the thickness of the screening membrane module, exposure and photosensitive polymer Defined.

A kind of 7. preparation method for being used to cast the pattern that tool texture is made using photopolymerizable material described in claim 1 In patterned layer mould method, it is characterised in that founding materials is the two-component composition of silicon.

8. as claimed in claim 7 be used to cast in the preparation method for the pattern for making tool texture using photopolymerizable material Patterned layer mould method, it is characterised in that, founding materials melt polymer and class polypropylene, polyethylene, poly- terephthaldehyde The high release performance such as acid butyl ester.

9. as claimed in claim 8 be used to cast in the preparation method for the pattern for making tool texture using photopolymerizable material Patterned layer mould method, it is characterised in that with more a mould separate boundary's wall preparation procedure.

10. the preparation method as claimed in claim 9 for being used to cast the pattern that tool texture is made using photopolymerizable material In patterned layer mould method, it is characterised in that be for separating different composition in casting process.

11. the preparation method as claimed in claim 10 for being used to cast the pattern that tool texture is made using photopolymerizable material In patterned layer mould method, it is characterised in that have polyurethane of different nature be used in wherein.

12. the preparation method as claimed in claim 11 for being used to cast the pattern that tool texture is made using photopolymerizable material In patterned layer mould method, it is characterised in that should separates walls with different height thus cause the differences of Rotating fields, its Caused by main mechanism be to separate and non-separation has differences.