CN207567547U - One kind has anaclasis discoloration PU leather - Google Patents
One kind has anaclasis discoloration PU leather Download PDFInfo
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- CN207567547U CN207567547U CN201721676310.0U CN201721676310U CN207567547U CN 207567547 U CN207567547 U CN 207567547U CN 201721676310 U CN201721676310 U CN 201721676310U CN 207567547 U CN207567547 U CN 207567547U
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Abstract
The utility model discloses one kind to have anaclasis discoloration PU leather, including base cloth layer, foaming layer, photochromic layer and PU faces layer；Wherein photochromic layer is the metallic film with multiple protrusions, is painted by 3 D stereo printing machine, and using 3D discoloration pearlescent pigments to the protrusion of film surface；Protrusion prints identical color towards unidirectional face, and all protrusions print different colors towards the face of different directions.The anaclasis discoloration PU leather as made from the preparation method in the utility model, when different angle is observed, it can show different colors, it is single to solve common leather color, at the disadvantage that a color is presented in different environments, and have many advantages, such as that waterproof, pressure resistance, light resistance are strong, the failure that will not fade of being exposed to the sun under sunburst.
Description
Technical field
The utility model, which belongs to, is related to field of packaging material, and in particular to one kind has anaclasis discoloration PU leather.
Background technology
PU leather be through depilation and the physics such as tanning, chemical process is obtained has been denaturalized not perishable Animal Skin.Leather
It is made of natural protein fibre in three dimensions close weave, there is a kind of special grain layer on surface, has nature
Graining and gloss, comfortable feel, but common leather is subsequent what is used, always same color is always presented, not
There is no any variation under same environment.
The color-change technology of general PU leather is used to cry one kind in the general oil injection leather in pula and is made, because of the expansion of the general oil in pula
It dissipates and causes leather color in stress that can generate the effect of a gradual change with diffusion recovery.The surface layer of discoloration PU leather has certain
The transparency, after force-extension effect is received, wherein the general oil in the pula injected loses the performance of stress leather since stress is transferred
Oiliness, color gradually become shallower as, and nearby because of the of different sizes of active force, the degree for losing oiliness is different, forms a kind of aberration.
Patent 104372681A discloses a kind of cold pressing burnt discoloration PU leather, including base cloth layer, polyurethane adhesive layer, water repellent
Layer, photochromic layer and polyurethane cover, are equipped with several cavitys between photochromic layer and water repellent layer, cavity is interior automatic broken equipped with being squeezed
Routed micro-capsule, micro-capsule is interior filled with color shifting ink, which can alleviate the loss of color shifting ink, and that improves discoloration PU leather uses the longevity
Life；But the patent realizes discoloration that PU is removed from office using color shifting ink, and PU leather is in experience repeatedly repeatedly after by force-extension, discoloration oil
Black to be lost eventually, PU leather color changeable effects still can be impacted.
Patent 106113763A discloses a kind of color-changing leather, and by leather ontology, color-changing leather, color-changing leather includes leather
Layer and photochromic layer, photochromic layer be by resin sheet be added to leather PU faces layer and BASE layer, resin sheet making when will be original
Then resin, DMF, butanone, heating stirring add in ultraviolet color-changing powder, resin sheet pad pasting, resin sheet patch are processed by moistening
Film is pasted on leather layer, and when the color-changing leather is used, different color can be presented in different environments
Leather, but the patent reaches the color changeable effect of PU leather, but the light resistance of ultraviolet color-changing powder by adding ultraviolet color-changing powder
It is poor, the failure that can fade quickly of being exposed to the sun under sunburst, and in preparation process, a large amount of organic solvent is added, it is easily right
Environment pollutes.
People increasingly like picture relief painting in recent years, picture, the frame in the market of purchase solid also have the three-dimensional effect of band
Fruit, it makes a variation from the pure of color is pursued to the magic for pursuing color；Common discoloration PU leather is limited to its metachromatic principle, can only
The effect of two dimensional surface is shown, do not have relief drawback and makes the being limited property of attraction of products application.Therefore,
Develop it is a kind of with stereoscopic effect again with because anaclasis difference due to discoloration PU remove from office, be that this field researcher is urgently to be resolved hurrily
Technical problem.
Invention content
To solve the above problems, the utility model provides one kind with three-dimensional space effect simultaneously again with anaclasis
The preparation method that PU that is different and changing colour is removed from office, specific technical solution are as follows：
One kind has anaclasis discoloration PU leather, compound on the base cloth layer to be provided with foaming layer, the hair including base cloth layer
It is compound on alveolar layer to be provided with photochromic layer, it is compound on the photochromic layer to be provided with PU faces layer；Wherein photochromic layer is with multiple protrusions
Metallic film；Protrusion is equipped with multiple faces, and is uniformly distributed on the membrane surface；By 3 D stereo printing machine, and using 3D
The pearlescent pigment that changes colour paints to the protrusion of film surface.
Preferably, protrusion prints identical color towards unidirectional face, and all protrusions are printed towards the face of different directions
Brush different colors.
Preferably, the convex shape of film surface is the same, can be pyramid shape or four sides cone.
Preferably, base cloth layer is made of fabric of island-in-sea type nylon ultrafine fiber of the fiber number for 5~7 denier through polyurethane slurry impregnation,
The fabric web that the sea-island fibre either formed using nylon 6 and polyethylene is formed after fibrillation on screen conveyor.
Preferably, metallic film material is gold, silver, aluminium or iron.
Compared with prior art, the utility model has the advantages that：
1. the utility model sprays 3D discoloration pearlescent pigments by three dimensional printing in the protrusion of photochromic layer, rolled over using optics
Image-forming principle is penetrated, when different angle is observed, PU leather can show different colors；A kind of color is shown in forward observation,
Rear shows another color when observing, two kinds of colors is different two kinds of colors or are two or more colors, solve
Common leather color is single, at the disadvantage that a color is presented in different environments.
2. the colour change function of PU leather, 3D discolorations are realized using the colouring of 3D discoloration pearlescent pigments in the utility model
Pearlescent pigment main component is mica, by coating multilevel oxide on the surface of mica, utilizes the difference of oxide refractive index
Formation changes colour with angle；Reuse Fe3O4Be coated on surface as modified material, make 3D discoloration pearlescent pigment be under external force
Existing stereoscopic effect, while use Na2SiO3Doing treatment makes molysite be not easy to be aoxidized.
3. being equipped with multiple bulge-structures by the photochromic layer in the utility model, 3D discoloration pearls are coated on the bulge-structure
Delustering pigment, thus obtained discoloration PU leather, implements it to stretch, jacks up, is bent, folding when external stresses act on, generate shape
The site color of change will not change.
4. the PU leather that changes colour as made from the utility model is using multi-layer structure design, interfacial bonding strength is high, and performance is steady
Changeable colour raw material that is fixed, wherein being added in interbed so that the color of middle layer can change with the variation of viewing angle,
Leather dress ornament obtained has unique appearance property, can meet the heart that young man follows the fashion.
5. the utility model discoloration PU leather obtained has many advantages, such as that waterproof, pressure resistance, light resistance are strong, sudden and violent under sunburst
The failure that will not fade is shone, in preparation process without using organic solvent, low in the pollution of the environment, harmless, durable, quality
Stablize, and production efficiency is high.
Description of the drawings
Fig. 1 is the structure diagram of anaclasis discoloration PU leather made from the utility model
Wherein：1st, base cloth layer 2, foaming layer 3, photochromic layer 4, PU faces layer 5, protrusion.
Specific embodiment
It elaborates below in conjunction with the accompanying drawings to specific embodiment of the present utility model.
Embodiment 1
One kind has anaclasis discoloration PU leather, compound on the base cloth layer 1 to be provided with foaming layer 2, institute including base cloth layer 1
State it is compound in foaming layer 2 be provided with photochromic layer 3, it is compound on the photochromic layer 3 to be provided with PU faces layer 4；Wherein photochromic layer 3 be with
Multiple raised 5 metallic films, metallic film are made by golden material；Protrusion 5 is equipped with multiple faces, and shape is pyramid shape,
And it is uniformly distributed on the membrane surface；Change colour pearlescent pigment to the convex of film surface by 3 D stereo printing machine, and using 3D
Play 5 colourings；Protrusion 5 prints identical color towards unidirectional face, and all raised 5 print difference towards the face of different directions
Color.
The preparation process of anaclasis discoloration PU leather is as follows：
A. PU face stocks are weighed, specially：15 parts of oligomer polyol, 10 parts of diisocyanate, dimethyl sulfoxide (DMSO) 15
Part, 20 parts of dimethyl carbonate, 5 parts of beta-cyclodextrin, 1 part of benzyl salicylate, 1 part of Java Cananga Oil, 0.2 part of benzoin, alkali lignin 1
Part, 0.5 part of xylitol, 3 parts of titanium dioxide, 4 parts of sepiolite powder, 1 part of high-alumina fly, 1 part of triterpenoid saponin, 2 parts of hydroxypropyl starch ether, the moon
0.5 part of laureth sodium sulfovinate, 0.2 part of cellulose acetate, 1 part of colorant.First by benzyl salicylate, Java Cananga Oil and benzoin
It is dissolved in ethyl alcohol, beta-cyclodextrin aqueous solution is added under the conditions of 50 DEG C, 700r/min, hydroxypropul starch is added in after stirring 35min
Ether, alkali lignin and xylitol continue to stir 20min, and powder is obtained after spray drying；Powder is mixed with remaining raw material, 1500r/
It after stirring 15min under min, is coated uniformly in release paper, PU faces layer is formed after 130 DEG C of drying；
B. by 3 D stereo printing machine, and using 3D discoloration pearlescent pigments to 120 DEG C after the protrusion colouring of film surface
Drying form photochromic layer, waterborne polyurethane adhesive paste is coated on photochromic layer, with PU faces layer it is Nian Jie after 150 DEG C dry；
C. foaming layer raw material is weighed, specially：40 parts of 60 parts of PVC SG-2, PVC SG-6, tributyl 2-acetylcitrate
70 parts, 8 parts of palm oil, 4 parts of linseed oil, 1 part of urea, 1 part of sodium succinate, 40 parts of precipitated calcium carbonate, 20 parts of zeolite powder, cassava
10 parts of starch, 2 parts of brucite fiber, 0.5 part of nonylphenol polyoxyethylene ether, 0.3 part of Tween 80,8 parts of cetostearyl alcohol, azo
5 parts of formamide potassium formate, 3 parts of liquid barium zinc stabilizer.First by precipitated calcium carbonate, zeolite powder, tapioca and palm oil, flax
Seed oil mixes, and 500r/min, stirs 1h, then mix with remaining raw material at 50 DEG C, and stirring 30min must foam slurry under 1500r/min
Material；Prepared foamed slurry is coated uniformly on photochromic layer, foaming at 170 DEG C forms foaming layer；
D. waterborne polyurethane adhesive paste is coated in foaming layer, it is Nian Jie with base cloth layer after 150 DEG C drying；
E. release paper is removed, obtains anaclasis discoloration PU leather finished products.
Embodiment 2
One kind has anaclasis discoloration PU leather, compound on the base cloth layer 1 to be provided with foaming layer 2, institute including base cloth layer 1
State it is compound in foaming layer 2 be provided with photochromic layer 3, it is compound on the photochromic layer 3 to be provided with PU faces layer 4；Wherein photochromic layer 3 be with
Multiple raised 5 metallic films, metallic film are made by aluminum material；Protrusion 5 is equipped with multiple faces, and shape is four sides cone,
And it is uniformly distributed on the membrane surface；Change colour pearlescent pigment to the convex of film surface by 3 D stereo printing machine, and using 3D
Play 5 colourings；Protrusion 5 prints identical color towards unidirectional face, and all raised 5 print difference towards the face of different directions
Color.
The preparation process of anaclasis discoloration PU leather is as follows：
A. PU face stocks are weighed, specially：25 parts of oligomer polyol, 30 parts of diisocyanate, dimethyl sulfoxide (DMSO) 40
Part, 40 parts of dimethyl carbonate, 10 parts of beta-cyclodextrin, 2 parts of benzyl salicylate, 2 parts of Java Cananga Oil, 0.5 part of benzoin, alkali lignin 3
Part, 1.5 parts of xylitol, 6 parts of titanium dioxide, 6 parts of sepiolite powder, 2 parts of high-alumina fly, 2 parts of triterpenoid saponin, 4 parts of hydroxypropyl starch ether, the moon
1 part of laureth sodium sulfovinate, 0.5 part of cellulose acetate, 2 parts of colorant.First by benzyl salicylate, Java Cananga Oil and styrax peptization
In ethyl alcohol, under the conditions of 50 DEG C, 700r/min add in beta-cyclodextrin aqueous solution, stir 35min after add in hydroxypropyl starch ether,
Alkali lignin and xylitol continue to stir 20min, and powder is obtained after spray drying；Powder is mixed with remaining raw material, under 1500r/min
It after stirring 15min, is coated uniformly in release paper, PU faces layer is formed after 130 DEG C of drying；
B. by 3 D stereo printing machine, and using 3D discoloration pearlescent pigments to 120 DEG C after the protrusion colouring of film surface
Drying form photochromic layer, waterborne polyurethane adhesive paste is coated on photochromic layer, with PU faces layer it is Nian Jie after 150 DEG C dry；
C. foaming layer raw material is weighed, specially：20 parts of 30 parts of PVC SG-2, PVC SG-6, tributyl 2-acetylcitrate
60 parts, 3 parts of palm oil, 2 parts of linseed oil, 0.2 part of urea, 0.5 part of sodium succinate, 20 parts of precipitated calcium carbonate, 10 parts of zeolite powder,
5 parts of tapioca, 1 part of brucite fiber, 0.2 part of nonylphenol polyoxyethylene ether, 0.1 part of Tween 80,4 parts of cetostearyl alcohol are even
2 parts of nitrogen diformamide, 1 part of liquid barium zinc stabilizer.First by precipitated calcium carbonate, zeolite powder, tapioca and palm oil, linseed
Oil mixing, 500r/min, stirs 1h, then mix with remaining raw material at 50 DEG C, and stirring 30min obtains foamed slurry under 1500r/min；
Prepared foamed slurry is coated uniformly on photochromic layer, foaming at 170 DEG C forms foaming layer；
D. waterborne polyurethane adhesive paste is coated in foaming layer, it is Nian Jie with base cloth layer after 150 DEG C drying；
E. release paper is removed, obtains anaclasis discoloration PU leather finished products.
Embodiment 3
One kind has anaclasis discoloration PU leather, compound on the base cloth layer 1 to be provided with foaming layer 2, institute including base cloth layer 1
State it is compound in foaming layer 2 be provided with photochromic layer 3, it is compound on the photochromic layer 3 to be provided with PU faces layer 4；Wherein photochromic layer 3 be with
Multiple raised 5 metallic films, metallic film are made by silver material；Protrusion 5 is equipped with multiple faces, and shape is four sides cone,
And it is uniformly distributed on the membrane surface；Change colour pearlescent pigment to the convex of film surface by 3 D stereo printing machine, and using 3D
Play 5 colourings；Protrusion 5 prints identical color towards unidirectional face, and all raised 5 print difference towards the face of different directions
Color.
The preparation process of anaclasis discoloration PU leather is as follows：
A. PU face stocks are weighed, specially：20 parts of oligomer polyol, 25 parts of diisocyanate, dimethyl sulfoxide (DMSO) 20
Part, 30 parts of dimethyl carbonate, 7 parts of beta-cyclodextrin, 1.5 parts of benzyl salicylate, 1.5 parts of Java Cananga Oil, 0.3 part of benzoin, alkali wood
2 parts of element, 1 part of xylitol, 5 parts of titanium dioxide, 5 parts of sepiolite powder, 1.5 parts of high-alumina fly, 1.5 parts of triterpenoid saponin, hydroxypropyl starch ether 3
Part, 0.8 part of laureth sodium sulfovinate, 0.3 part of cellulose acetate, 1.5 parts of colorant.First by benzyl salicylate, Java Cananga Oil and
Benzoin is dissolved in ethyl alcohol, and beta-cyclodextrin aqueous solution is added under the conditions of 50 DEG C, 700r/min, and hydroxyl is added in after stirring 35min
Propyl starch ether, alkali lignin and xylitol continue to stir 20min, and powder is obtained after spray drying；Powder is mixed with remaining raw material,
It after stirring 15min under 1500r/min, is coated uniformly in release paper, PU faces layer is formed after 130 DEG C of drying；
B. by 3 D stereo printing machine, and using 3D discoloration pearlescent pigments to 120 DEG C after the protrusion colouring of film surface
Drying form photochromic layer, waterborne polyurethane adhesive paste is coated on photochromic layer, with PU faces layer it is Nian Jie after 150 DEG C dry；
C. foaming layer raw material is weighed, specially：30 parts of 40 parts of PVC SG-2, PVC SG-6, tributyl 2-acetylcitrate
65 parts, 6 parts of palm oil, 3 parts of linseed oil, 0.5 part of urea, 0.7 part of sodium succinate, 30 parts of precipitated calcium carbonate, 15 parts of zeolite powder,
8 parts of tapioca, 1.5 parts of brucite fiber, 0.3 part of nonylphenol polyoxyethylene ether, 0.2 part of Tween 80,6 parts of cetostearyl alcohol,
Folded 4 parts of amino-compound, 2 parts of liquid barium zinc stabilizer.First by precipitated calcium carbonate, zeolite powder, tapioca and palm oil, flax
Seed oil mixes, and 500r/min, stirs 1h, then mix with remaining raw material at 50 DEG C, and stirring 30min must foam slurry under 1500r/min
Material；Prepared foamed slurry is coated uniformly on photochromic layer, foaming at 170 DEG C forms foaming layer；
D. waterborne polyurethane adhesive paste is coated in foaming layer, it is Nian Jie with base cloth layer after 150 DEG C drying；
E. release paper is removed, obtains anaclasis discoloration PU leather finished products.
Comparative example 1
One kind has anaclasis discoloration PU leather, compound on the base cloth layer 1 to be provided with foaming layer 2, institute including base cloth layer 1
State it is compound in foaming layer 2 be provided with photochromic layer 3, it is compound on the photochromic layer 3 to be provided with PU faces layer 4；Wherein photochromic layer 3 be with
Multiple raised 5 metallic films, metallic film are made by golden material；Protrusion 5 is equipped with multiple faces, and shape is pyramid shape,
And it is uniformly distributed on the membrane surface；The protrusion 5 that metallic film is coated in by ultraviolet color-changing powder is painted to the convex of film surface
Play 5 colourings；Protrusion 5 prints identical color towards unidirectional face, and all raised 5 print difference towards the face of different directions
Color.
The preparation process of anaclasis discoloration PU leather is as follows：
A. PU face stocks are weighed, specially：15 parts of oligomer polyol, 10 parts of diisocyanate, dimethyl sulfoxide (DMSO) 15
Part, 20 parts of dimethyl carbonate, 5 parts of beta-cyclodextrin, 1 part of benzyl salicylate, 1 part of Java Cananga Oil, 0.2 part of benzoin, alkali lignin 1
Part, 0.5 part of xylitol, 3 parts of titanium dioxide, 4 parts of sepiolite powder, 1 part of high-alumina fly, 1 part of triterpenoid saponin, 2 parts of hydroxypropyl starch ether, the moon
0.5 part of laureth sodium sulfovinate, 0.2 part of cellulose acetate, 1 part of colorant.First by benzyl salicylate, Java Cananga Oil and benzoin
It is dissolved in ethyl alcohol, beta-cyclodextrin aqueous solution is added under the conditions of 50 DEG C, 700r/min, hydroxypropul starch is added in after stirring 35min
Ether, alkali lignin and xylitol continue to stir 20min, and powder is obtained after spray drying；Powder is mixed with remaining raw material, 1500r/
It after stirring 15min under min, is coated uniformly in release paper, PU faces layer is formed after 130 DEG C of drying；
B. by the way of coating, ultraviolet color-changing powder is coated in 120 DEG C of drying formation after the protrusion colouring of metallic film
Photochromic layer coats waterborne polyurethane adhesive paste on photochromic layer, with PU faces layer it is Nian Jie after 150 DEG C dry；
C. foaming layer raw material is weighed, specially：40 parts of 60 parts of PVC SG-2, PVC SG-6, tributyl 2-acetylcitrate
70 parts, 8 parts of palm oil, 4 parts of linseed oil, 1 part of urea, 1 part of sodium succinate, 40 parts of precipitated calcium carbonate, 20 parts of zeolite powder, cassava
10 parts of starch, 2 parts of brucite fiber, 0.5 part of nonylphenol polyoxyethylene ether, 0.3 part of Tween 80,8 parts of cetostearyl alcohol, azo
5 parts of formamide potassium formate, 3 parts of liquid barium zinc stabilizer.First by precipitated calcium carbonate, zeolite powder, tapioca and palm oil, flax
Seed oil mixes, and 500r/min, stirs 1h, then mix with remaining raw material at 50 DEG C, and stirring 30min must foam slurry under 1500r/min
Material；Prepared foamed slurry is coated uniformly on photochromic layer, foaming at 170 DEG C forms foaming layer；
D. waterborne polyurethane adhesive paste is coated in foaming layer, it is Nian Jie with base cloth layer after 150 DEG C drying；
E. release paper is removed, obtains anaclasis discoloration PU leather finished products.
Test performance
The tests such as mechanical property, light fastness are carried out to products obtained therefrom, test result is as follows shown in table 1
Table 1
The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill people of the art
Member for, under the premise of principle described in the utility model is not departed from, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (5)
1. one kind has anaclasis discoloration PU leather, compound on the base cloth layer to be provided with foaming layer, the foaming including base cloth layer
It is compound on layer to be provided with photochromic layer, it is compound on the photochromic layer to be provided with PU faces layer；It is characterized in that：Photochromic layer is with multiple
The metallic film of protrusion；Protrusion is equipped with multiple faces, and is uniformly distributed on the membrane surface；By 3 D stereo printing machine, and adopt
It is painted with 3D discoloration pearlescent pigments to the protrusion of film surface.
It is 2. according to claim 1 a kind of with anaclasis discoloration PU leather, it is characterised in that：It is described raised towards same side
To face print identical color, all protrusions print different colors towards the faces of different directions.
It is 3. according to claim 1 or 2 a kind of with anaclasis discoloration PU leather, it is characterised in that：The film surface
Convex shape is the same, can be pyramid shape or four sides cone.
It is 4. according to claim 1 a kind of with anaclasis discoloration PU leather, it is characterised in that：The base cloth layer is by fiber number
The fabric of island-in-sea type nylon ultrafine fiber of 5~7 denier is impregnated with what is be made or formed using nylon 6 and polyethylene through polyurethane slurry
The fabric web that sea-island fibre is formed after fibrillation on screen conveyor.
It is 5. according to claim 1 a kind of with anaclasis discoloration PU leather, it is characterised in that：The metallic film material is
Gold, silver, aluminium or iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721676310.0U CN207567547U (en) | 2017-12-06 | 2017-12-06 | One kind has anaclasis discoloration PU leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721676310.0U CN207567547U (en) | 2017-12-06 | 2017-12-06 | One kind has anaclasis discoloration PU leather |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207567547U true CN207567547U (en) | 2018-07-03 |
Family
ID=62690434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721676310.0U Active CN207567547U (en) | 2017-12-06 | 2017-12-06 | One kind has anaclasis discoloration PU leather |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207567547U (en) |
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2017
- 2017-12-06 CN CN201721676310.0U patent/CN207567547U/en active Active
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