CN107988813A - A kind of heat discoloration artificial leather and preparation method thereof - Google Patents
A kind of heat discoloration artificial leather and preparation method thereof Download PDFInfo
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- CN107988813A CN107988813A CN201711307145.6A CN201711307145A CN107988813A CN 107988813 A CN107988813 A CN 107988813A CN 201711307145 A CN201711307145 A CN 201711307145A CN 107988813 A CN107988813 A CN 107988813A
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- heat discoloration
- artificial leather
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- surface layer
- powder
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
- D06N3/0097—Release surface, e.g. separation sheets; Silicone papers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/08—Properties of the materials having optical properties
- D06N2209/0807—Coloured
- D06N2209/0823—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The present invention relates to a kind of heat discoloration artificial leather, including base cloth layer, foaming layer and the surface layer set gradually, the surface layer include the preparing raw material of following parts by weight：10 15 parts of 95 105 parts of polyurethane resin, 45 55 parts of butanone, 50 65 parts of dimethylformamide and heat discoloration powder.The invention further relates to a kind of preparation method of heat discoloration artificial leather.The advantages of heat discoloration artificial leather of the present invention has at different temperatures, and leather changes shade with difference variation.
Description
Technical field
The present invention relates to artificial leather technology, more particularly to a kind of heat discoloration artificial leather and preparation method thereof.
Background technology
Artificial leather is the plastic products that a kind of appearance, feel can simultaneously replace that it is used like leather.Usually using fabric as base,
Coating synthetic resin and the addition of various plastics are made.Mainly there are PVC artificial leather, PU artificial leathers and PU synthetic leather three classes.Existing skill
In art, in different temperatures, leather does not change colour artificial leather, thus in the market leather color cannot be met to vary with temperature and
The demand of change.
The content of the invention
The technical problems to be solved by the invention are：The temperature-sensitive that providing a kind of leather color can vary with temperature and change becomes
Color artificial leather and preparation method thereof.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of heat discoloration artificial leather, including base cloth layer, foaming layer and the surface layer set gradually, the surface layer include following
The preparing raw material of parts by weight：95-105 parts of polyurethane resin, 45-55 parts of butanone, 50-65 parts of dimethylformamide and heat discoloration
10-15 parts of powder.
A kind of preparation method of above-mentioned heat discoloration artificial leather, by weight ratio mix each preparing raw material of surface layer
Close, form surface layer slurry, then dried surface layer slurry, Ran Houyu under the conditions of 90-110 DEG C coated in release liners
Foamed slurry is coated on surface layer slurry after drying, peels off release liners after being foamed, the heat discoloration artificial leather is made.
The beneficial effects of the present invention are：
In the surface layer of the heat discoloration artificial leather of the present invention, design butanone, dimethylformamide and heat discoloration powder three
Share, butanone, dimethylformamide and heat discoloration powder are added after polyurethane resin together, butanone and dimethylformamide two
Person's compounding use, has good dilution, dissolution, enabling more fully scattered heat discoloration powder, so as to also be beneficial to
Painting is scraped, and the surface layer of acquisition has at different temperatures, and leather changes the technique effect of shade with difference variation.
Embodiment
For the technology contents that the present invention will be described in detail, the objects and the effects, it is explained below in conjunction with embodiment.
The design of most critical of the present invention is：Butanone, dimethylformamide and heat discoloration powder are added into polyurethane together
In resin.
The present invention provides a kind of heat discoloration artificial leather, including base cloth layer, foaming layer and the surface layer set gradually, the face
Layer includes the preparing raw material of following parts by weight：95-105 parts of polyurethane resin, 45-55 parts of butanone, 50-65 parts of dimethylformamide
With 10-15 parts of heat discoloration powder.
A kind of preparation method of above-mentioned heat discoloration artificial leather, by weight ratio mix each preparing raw material of surface layer
Close, form surface layer slurry, then dried surface layer slurry, Ran Houyu under the conditions of 90-110 DEG C coated in release liners
Foamed slurry is coated on surface layer slurry after drying, peels off release liners after being foamed, the heat discoloration artificial leather is made.
As can be seen from the above description, the beneficial effects of the present invention are：
In the surface layer of the heat discoloration artificial leather of the present invention, design butanone, dimethylformamide and heat discoloration powder three
Share, butanone, dimethylformamide and heat discoloration powder are added after polyurethane resin together, and the surface layer of acquisition has in difference
At a temperature of, leather changes the technique effect of shade with difference variation.
Further, in the surface layer, the content of calcium carbonate is no more than 0.5%, and the content of titanium dioxide is no more than 1%.
Seen from the above description, the content of calcium carbonate and the content of titanium dioxide are can control, avoids covering the discoloration of leather
Effect.
Further, the average grain diameter of the heat discoloration powder is 2-7 μm.
Seen from the above description, the average grain diameter of heat discoloration powder it is smaller it obtain the sense that distributivity is better, makes
Temperature change is more stable, and the design of above-mentioned average grain diameter has the advantages that to be evenly distributed.
Further, the grain structure of the heat discoloration powder includes a transparent outer cover and the discoloration in transparent outer cover
Material, the thickness of the transparent outer cover is 0.2-0.5 μm.
Further, the preparing raw material of the surface layer further includes the auxiliary agent of 0.3-0.5 parts by weight.
Seen from the above description, auxiliary agent can use existing artificial leather surface layer used additives, for example, levelling agent, age resister,
Stabilizer etc., further functions as prevention and water spot, contraction etc. effect occurs.
The heat discoloration powder of the present invention is also known as reversible temperature-sensitive camouflage paint and (is commonly called as：Warm variable pigments, temperature-sensitive powder or temperature become
Powder).The particle of this pigment is spherical, its preferable average diameter is 2-7 microns.It is electrochromic substance inside it, outside is
About 0.2-0.5 microns of one thickness can neither dissolve the transparent outer cover that will not melt, and be exactly that it protects electrochromic substance from it
The erosion of his chemical substance.Therefore, it is highly important to avoid damage to this layer of shell in use.
Heat discoloration powder is a kind of colorant, such as：Red temperature-sensitive powder, yellow temperature-sensitive powder, blue temperature-sensitive powder.Such as：One
Red temperature-sensitive powder is added in a green color (this colorant will not change colour), when being risen or fallen with temperature, color can become red
Color.Green is become again when returning to room temperature.
The embodiment of the present invention one is：
The preparation method of the heat discoloration artificial leather of the present embodiment, by weight ratio mix each preparing raw material of surface layer
Close, form surface layer slurry, then dried surface layer slurry, then in drying under the conditions of 180 DEG C coated in release liners
Foamed slurry is coated on surface layer slurry afterwards, the specific raw material proportioning of foamed slurry can select existing hair according to the actual requirements
Slurry is steeped (for example, using following component proportions：100 parts of Corvic, 80 parts of dioctyl phthalate, filler 60
Part, 2.5 parts of auxiliary agent (KZn), 3.5 parts of AC foam powders and 4 parts of PVC mill bases), release liners are peeled off after being foamed, are made described
Heat discoloration artificial leather.
Wherein, above-mentioned surface layer includes the preparing raw material of following parts by weight：95 parts of polyurethane resin, 45 parts of butanone, dimethyl
50 parts of formyl ammonia and 10 parts red of heat discoloration powder.
The embodiment of the present invention two is：
The preparation method of the heat discoloration artificial leather of the present embodiment, by weight ratio mix each preparing raw material of surface layer
Close, form surface layer slurry, then dried surface layer slurry, then in drying under the conditions of 110 DEG C coated in release liners
Foamed slurry is coated on surface layer slurry afterwards, peels off release liners after being foamed, the heat discoloration artificial leather is made.
Wherein, above-mentioned surface layer includes the preparing raw material of following parts by weight：105 parts of polyurethane resin, 55 parts of butanone, dimethyl
15 parts of the heat discoloration powder of 65 parts of formyl ammonia and yellow.
The embodiment of the present invention three is：
The preparation method of the heat discoloration artificial leather of the present embodiment, by weight ratio mix each preparing raw material of surface layer
Close, form surface layer slurry, then dried surface layer slurry, then in drying under the conditions of 110 DEG C coated in release liners
Foamed slurry is coated on surface layer slurry afterwards, peels off release liners after being foamed, the heat discoloration artificial leather is made.
Wherein, above-mentioned surface layer includes the preparing raw material of following parts by weight：100 parts of polyurethane resin, 50 parts of butanone, dimethyl
12 parts of the heat discoloration powder of 55 parts of formyl ammonia and blueness.
Heat discoloration performance is tested
(it is in order successively respectively normal according to 25 DEG C by the heat discoloration artificial leather that embodiment one to embodiment three obtains
Temperature) -10 DEG C, -5 DEG C, -0 DEG C, 10 DEG C, 25 DEG C, 50 DEG C, 80 DEG C, 90 DEG C, 100 DEG C, under the conditions of environment in stand 5min, and
After 100 DEG C, temperature be reduced to successively 90 DEG C, 80 DEG C, 50 DEG C, 25 DEG C, 10 DEG C, -0 DEG C, -5 DEG C, (treat in -10 DEG C of temperature environment
It is transferred to after becoming colour-stable in the temperature environment of next order), and record its heat discoloration situation.
Test result is：
Embodiment one obtain heat discoloration artificial leather respectively successively in order -10 DEG C, -5 DEG C, -0 DEG C, 10 DEG C, 25
DEG C, 50 DEG C, 80 DEG C, 90 DEG C, the discoloration in the environment under the conditions of 100 DEG C be：When 25 DEG C, color is script color, when putting
When 50 DEG C, color starts gradually to redden, but color is shallower, and when 80 DEG C -100 DEG C, red color changeable effect is more and more obvious,
Color is deeper, color is just secured in 100 DEG C of colors substantially, will not change too much, colour stable is constant for peony；Meanwhile
When temperature cools down successively, its color gradually becomes shallower as, and is changed into script color when 25 DEG C.
Embodiment two obtain heat discoloration artificial leather respectively successively in order -10 DEG C, -5 DEG C, -0 DEG C, 10 DEG C, 25
DEG C, 50 DEG C, 80 DEG C, 90 DEG C, the discoloration in the environment under the conditions of 100 DEG C be：When 25 DEG C, color is script color, when putting
When 50 DEG C, color starts gradually to turn yellow, but color is shallower, and when 80 DEG C -100 DEG C, yellowish discoloration effect is more and more obvious,
Color is deeper, and color is just secured in 100 DEG C of colors substantially, will not change too much, colour stable is constant for buff；Meanwhile
When temperature cools down successively, its color gradually becomes shallower as, and when 25 DEG C, is changed into script color.
Embodiment three obtain heat discoloration artificial leather respectively successively in order -10 DEG C, -5 DEG C, -0 DEG C, 10 DEG C, 25
DEG C, 50 DEG C, 80 DEG C, 90 DEG C, the discoloration in the environment under the conditions of 100 DEG C be：When 25 DEG C, color is script color, when putting
When 50 DEG C, color starts gradually to become blue, but color is shallower, and when 80 DEG C -100 DEG C, blue variable colour effect is more and more obvious,
Color is deeper, and color is just secured in 100 DEG C of colors substantially, will not change too much, colour stable is constant for navy blue；Meanwhile
When temperature cools down successively, its color gradually becomes shallower as, and when 25 DEG C, is changed into script color.
In conclusion heat discoloration artificial leather provided by the invention have at different temperatures, leather with difference variation and
Change the technique effect of shade.
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair
The equivalents that bright description is made, are directly or indirectly used in relevant technical field, are similarly included in this hair
In bright scope of patent protection.
Claims (6)
1. a kind of heat discoloration artificial leather, including base cloth layer, foaming layer and the surface layer set gradually, it is characterised in that the face
Layer includes the preparing raw material of following parts by weight：95-105 parts of polyurethane resin, 45-55 parts of butanone, 50-65 parts of dimethylformamide
With 10-15 parts of heat discoloration powder.
2. heat discoloration artificial leather according to claim 1, it is characterised in that in the surface layer, the content of calcium carbonate is not
More than 0.5%, the content of titanium dioxide is no more than 1%.
3. heat discoloration artificial leather according to claim 1, it is characterised in that the average grain diameter of the heat discoloration powder is
2-7μm。
4. heat discoloration artificial leather according to claim 1, it is characterised in that the grain structure bag of the heat discoloration powder
A transparent outer cover and the electrochromic substance in transparent outer cover are included, the thickness of the transparent outer cover is 0.2-0.5 μm.
5. heat discoloration artificial leather according to claim 1, it is characterised in that the preparing raw material of the surface layer further includes
The auxiliary agent of 0.3-0.5 parts by weight.
6. the preparation method of the heat discoloration artificial leather described in a kind of claim 1-5 any one, it is characterised in that by weight
Part ratio mixes each preparing raw material of surface layer, forms surface layer slurry, then surface layer slurry is coated in release liners, in 180-
Dried under the conditions of 230 DEG C, then in coating foamed slurry on the surface layer slurry after drying, shelled release liners after being foamed
From the obtained heat discoloration artificial leather.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711307145.6A CN107988813A (en) | 2017-12-11 | 2017-12-11 | A kind of heat discoloration artificial leather and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711307145.6A CN107988813A (en) | 2017-12-11 | 2017-12-11 | A kind of heat discoloration artificial leather and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107988813A true CN107988813A (en) | 2018-05-04 |
Family
ID=62035701
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| CN201711307145.6A Pending CN107988813A (en) | 2017-12-11 | 2017-12-11 | A kind of heat discoloration artificial leather and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109479841A (en) * | 2018-11-19 | 2019-03-19 | 安徽宏飞钓具有限公司 | Heat discoloration bait |
| CN111321609A (en) * | 2018-12-13 | 2020-06-23 | 海宁市提姆瑞斯进出口有限公司 | Color-changing belt of tyre warmer |
| CN112431042A (en) * | 2020-11-17 | 2021-03-02 | 山东大鲁阁织染工业有限公司 | Thermochromic fabric and production method thereof |
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| CN101967755A (en) * | 2010-10-27 | 2011-02-09 | 江苏宝泽高分子材料股份有限公司 | Temperature-sensing color-changing leather-sense resin for synthetic leather and preparation method thereof |
| CN102677479A (en) * | 2012-03-28 | 2012-09-19 | 杭州康成实业有限公司 | Method for manufacturing artificial leathers capable of changing color with temperature |
| CN104975515A (en) * | 2015-06-05 | 2015-10-14 | 福建宝利特集团有限公司 | Color changeable artificial leather, and preparation method and color changing method thereof |
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2017
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| CN101967755A (en) * | 2010-10-27 | 2011-02-09 | 江苏宝泽高分子材料股份有限公司 | Temperature-sensing color-changing leather-sense resin for synthetic leather and preparation method thereof |
| CN102677479A (en) * | 2012-03-28 | 2012-09-19 | 杭州康成实业有限公司 | Method for manufacturing artificial leathers capable of changing color with temperature |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109479841A (en) * | 2018-11-19 | 2019-03-19 | 安徽宏飞钓具有限公司 | Heat discoloration bait |
| CN111321609A (en) * | 2018-12-13 | 2020-06-23 | 海宁市提姆瑞斯进出口有限公司 | Color-changing belt of tyre warmer |
| CN112431042A (en) * | 2020-11-17 | 2021-03-02 | 山东大鲁阁织染工业有限公司 | Thermochromic fabric and production method thereof |
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