CN108624727A - Leather nano method of modifying after a kind of covering with paint - Google Patents
Leather nano method of modifying after a kind of covering with paint Download PDFInfo
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- CN108624727A CN108624727A CN201810369855.XA CN201810369855A CN108624727A CN 108624727 A CN108624727 A CN 108624727A CN 201810369855 A CN201810369855 A CN 201810369855A CN 108624727 A CN108624727 A CN 108624727A
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- leather
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- paint
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The present invention discloses leather nano method of modifying after a kind of covering with paint, including following operating procedure：（1）After leather after covering with paint is cleaned up, after slightly acidic solution is sprayed on surface, it is rinsed with water leather surface, it is spare after leather is dried；（2）Zinc nitrate, sodium vanadate are added in water extremely, then proceed to that a nanometer GTO, nano lanthanum oxide are added thereto, after being mixed evenly, leather is added thereto, ammonium hydroxide then is added to reaction system, continues after stirring evenly, insulation reaction, takes out leather；（3）By step（2）Processed leather surface uniformly sprays ammonium hydroxide, after leather surface is cleaned with clear water, is put into baking oven, dries, and prepares and completes.The glossiness higher of leather surface produced by the present invention, color and luster is more gorgeous, greatly improves the quality of leather.
Description
Technical field
The invention belongs to leather preparing technical fields, and in particular to leather nano method of modifying after a kind of covering with paint.
Background technology
Process hides is an extremely complex physicochemical change and its process, is worked into finished leather from raw material skin, has several
Ten programs at present in China's leather production, can be divided into four big sections according to production process arrangement, i.e., prepare before tan,
Tanning, mix after wet-milling product, dry finishing.In the prior art, leather is greatly used for preparing leather shoes, and manufacture leather shoes are needed with leather
Leather has excellent brightness and color and luster, and then can effectively promote the quality of leather shoes.
Invention content
In order to solve the above-mentioned technical problem, brightness and the excellent leather of color and luster are prepared, after the application provides a kind of covering with paint
Leather nano method of modifying.
The present invention is achieved by the following technical solutions.
Leather nano method of modifying after a kind of covering with paint, including following operating procedure：
（1）After leather after covering with paint is cleaned up, after slightly acidic solution 10-15min is sprayed on surface, it is rinsed with water leather surface,
Spare after leather is dried, wherein slightly acidic solution is made of the component of following parts by weight：1-3 parts of citric acid, ethylenediamine base third
24-27 parts of sodium sulfonate, 100-110 parts of water；
（2）By weight, 34-39 parts of zinc nitrates, 22-28 parts of sodium vanadates are added into 120-140 parts of water, are then proceeded to
4-8 parts of nanometers GTO, 1-3 part nano lanthanum oxide is added thereto, after being mixed evenly, step is added thereto（1）In be made
Leather, then to reaction system be added 1-3 parts of ammonium hydroxide, continue after stirring evenly, the temperature of mixed system risen into 38-46
DEG C, insulation reaction takes out leather after 2-3 hours；
（3）By step（2）Processed leather surface uniformly sprays the ammonium hydroxide that mass fraction is 0.3-0.7%, 25-
After 30min, after leather surface is cleaned with clear water, leather is put into baking oven, is dried, prepares and completes.
Specifically, above-mentioned steps（2）In, the Average Particle Diameters of nanometer GTO are 30nm, purity 99%.
Specifically, above-mentioned steps（2）In, above-mentioned steps（2）In, the mass fraction of ammonium hydroxide is 23-26%.
Specifically, above-mentioned steps（3）In, the temperature of baking oven drying is 40-42 DEG C, and the time of drying is 2-3 hours.
From the above technical scheme, it can be seen that the beneficial effects of the invention are as follows：
Leather nano method of modifying after a kind of covering with paint provided by the invention is, it can be achieved that industrialized continuous production, the skin after covering with paint
Leather, after nano modification, the properties on surface have obtained greatly being promoted, especially the glossiness higher on surface, color
Pool is more gorgeous, greatly improves the quality of leather.Wherein, step（1）In, leather is handled using slightly acidic solution
Afterwards, the adsorption to nano-particle of leather surface enhances, and nano-particle increases in leather surface adsorption site, Jin Erti
The effect of nano modification is risen；In the application, nanometer Zinc vanadate can effectively be adsorbed on the table of leather during generation
Face, the effect of nanometer Zinc vanadate can effectively promote the color and luster of leather；It, can be after nanometer GTO, nano lanthanum oxide synergistic effect
Leather surface forms multi-party crystal structure so that leather surface has reflective function, and then improves the quality of leather.
Specific implementation mode
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is
The conventional products that can be obtained by commercially available purchase.
Embodiment 1
Leather nano method of modifying after a kind of covering with paint, including following operating procedure：
（1）After leather after covering with paint is cleaned up, after slightly acidic solution 10min is sprayed on surface, it is rinsed with water leather surface, by skin
Spare after leather drying, wherein slightly acidic solution is made of the component of following parts by weight：1 part of citric acid, ethylenediamine base propanesulfonate
24 parts, 100 parts of water；
（2）By weight, 34 parts of zinc nitrates, 22 parts of sodium vanadates are added into 120 parts of water, then proceed to be added thereto
4 parts of nanometer GTO, 1 part of nano lanthanum oxide, after being mixed evenly, are added step thereto（1）In leather obtained, then to
1 part of ammonium hydroxide is added in reaction system, continues after stirring evenly, the temperature of mixed system is risen to 38 DEG C, and insulation reaction is after 2 hours,
Take out leather；
（3）By step（2）Processed leather surface uniformly sprays mass fraction for 0.3% ammonium hydroxide, after 25min, incites somebody to action
After leather surface is cleaned with clear water, leather is put into baking oven, is dried, prepares and completes.
Specifically, above-mentioned steps（2）In, the Average Particle Diameters of nanometer GTO are 30nm, purity 99%.
Specifically, above-mentioned steps（2）In, above-mentioned steps（2）In, the mass fraction of ammonium hydroxide is 23%.
Specifically, above-mentioned steps（3）In, the temperature of baking oven drying is 40 DEG C, and the time of drying is 2 hours.
Embodiment 2
Leather nano method of modifying after a kind of covering with paint, including following operating procedure：
（1）After leather after covering with paint is cleaned up, after slightly acidic solution 13min is sprayed on surface, it is rinsed with water leather surface, by skin
Spare after leather drying, wherein slightly acidic solution is made of the component of following parts by weight：2 parts of citric acid, ethylenediamine base propanesulfonate
26 parts, 105 parts of water；
（2）By weight, 36 parts of zinc nitrates, 24 parts of sodium vanadates are added into 130 parts of water, then proceed to be added thereto
6 parts of nanometer GTO, 2 parts of nano lanthanum oxides, after being mixed evenly, are added step thereto（1）In leather obtained, then to
2 parts of ammonium hydroxide are added in reaction system, continue after stirring evenly, the temperature of mixed system are risen to 40 DEG C, insulation reaction 2.5 hours
Afterwards, leather is taken out；
（3）By step（2）Processed leather surface uniformly sprays mass fraction for 0.5% ammonium hydroxide, after 28min, incites somebody to action
After leather surface is cleaned with clear water, leather is put into baking oven, is dried, prepares and completes.
Specifically, above-mentioned steps（2）In, the Average Particle Diameters of nanometer GTO are 30nm, purity 99%.
Specifically, above-mentioned steps（2）In, above-mentioned steps（2）In, the mass fraction of ammonium hydroxide is 25%.
Specifically, above-mentioned steps（3）In, the temperature of baking oven drying is 41 DEG C, and the time of drying is 2.5 hours.
Embodiment 3
Leather nano method of modifying after a kind of covering with paint, including following operating procedure：
（1）After leather after covering with paint is cleaned up, after slightly acidic solution 15min is sprayed on surface, it is rinsed with water leather surface, by skin
Spare after leather drying, wherein slightly acidic solution is made of the component of following parts by weight：3 parts of citric acid, ethylenediamine base propanesulfonate
27 parts, 110 parts of water；
（2）By weight, 39 parts of zinc nitrates, 28 parts of sodium vanadates are added into 140 parts of water, then proceed to be added thereto
8 parts of nanometer GTO, 3 parts of nano lanthanum oxides, after being mixed evenly, are added step thereto（1）In leather obtained, then to
3 parts of ammonium hydroxide are added in reaction system, continue after stirring evenly, the temperature of mixed system is risen to 46 DEG C, and insulation reaction is after 3 hours,
Take out leather；
（3）By step（2）Processed leather surface uniformly sprays mass fraction for 0.7% ammonium hydroxide, after 30min, incites somebody to action
After leather surface is cleaned with clear water, leather is put into baking oven, is dried, prepares and completes.
Specifically, above-mentioned steps（2）In, the Average Particle Diameters of nanometer GTO are 30nm, purity 99%.
Specifically, above-mentioned steps（2）In, above-mentioned steps（2）In, the mass fraction of ammonium hydroxide is 26%.
Specifically, above-mentioned steps（3）In, the temperature of baking oven drying is 42 DEG C, and the time of drying is 3 hours.
Comparative example 1
Step（1）In slightly acidic solution be clear water, remaining operating procedure is identical with embodiment 1.
Comparative example 2
Step（2）In do not add a nanometer GTO, nano lanthanum oxide, remaining operating procedure is identical with embodiment 2.
The color and luster of leather after the processing of table 1
| Project | The color and luster of leather after processing |
| Embodiment 1 | Brightness is high, bright color, and quality is good |
| Comparative example 1 | Brightness is higher, and glossiness is poor |
| Embodiment 2 | Brightness is high, bright color, and quality is good |
| Comparative example 2 | Leathering color and luster is dark, low in glossiness |
| Embodiment 3 | Brightness is high, bright color, and quality is good |
As shown in Table 1, by the processed leather of the present invention, glossiness is high, excellent quality.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (4)
1. leather nano method of modifying after a kind of covering with paint, which is characterized in that including following operating procedure：
（1）After leather after covering with paint is cleaned up, after slightly acidic solution 10-15min is sprayed on surface, it is rinsed with water leather surface,
Spare after leather is dried, wherein slightly acidic solution is made of the component of following parts by weight：1-3 parts of citric acid, ethylenediamine base third
24-27 parts of sodium sulfonate, 100-110 parts of water；
（2）By weight, 34-39 parts of zinc nitrates, 22-28 parts of sodium vanadates are added into 120-140 parts of water, are then proceeded to
4-8 parts of nanometers GTO, 1-3 part nano lanthanum oxide is added thereto, after being mixed evenly, step is added thereto（1）In be made
Leather, then to reaction system be added 1-3 parts of ammonium hydroxide, continue after stirring evenly, the temperature of mixed system risen into 38-46
DEG C, insulation reaction takes out leather after 2-3 hours；
（3）By step（2）Processed leather surface uniformly sprays the ammonium hydroxide that mass fraction is 0.3-0.7%, 25-
After 30min, after leather surface is cleaned with clear water, leather is put into baking oven, is dried, prepares and completes.
2. leather nano method of modifying after a kind of covering with paint according to claim 1, which is characterized in that above-mentioned steps（2）In,
The Average Particle Diameters of nanometer GTO are 30nm, purity 99%.
3. leather nano method of modifying after a kind of covering with paint according to claim 1, which is characterized in that above-mentioned steps（2）In,
Above-mentioned steps（2）In, the mass fraction of ammonium hydroxide is 23-26%.
4. leather nano method of modifying after a kind of covering with paint according to claim 1, which is characterized in that above-mentioned steps（3）In,
The temperature of baking oven drying is 40-42 DEG C, and the time of drying is 2-3 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810369855.XA CN108624727A (en) | 2018-04-24 | 2018-04-24 | Leather nano method of modifying after a kind of covering with paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810369855.XA CN108624727A (en) | 2018-04-24 | 2018-04-24 | Leather nano method of modifying after a kind of covering with paint |
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| Publication Number | Publication Date |
|---|---|
| CN108624727A true CN108624727A (en) | 2018-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810369855.XA Pending CN108624727A (en) | 2018-04-24 | 2018-04-24 | Leather nano method of modifying after a kind of covering with paint |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1552990A (en) * | 2003-12-18 | 2004-12-08 | 陕西科技大学 | Post finishing process for superfine fiber artificial leather |
| CN104327745A (en) * | 2014-10-19 | 2015-02-04 | 青岛文晟汽车零部件有限公司 | Efficient leather brightener |
| CN104559621A (en) * | 2014-12-30 | 2015-04-29 | 东莞市高能磁电技术有限公司 | Modified polyurethane soap-free emulsion for leather finish and preparation method of modified polyurethane soap-free emulsion |
| CN106755639A (en) * | 2016-11-30 | 2017-05-31 | 广西大学 | A kind of leather gloss agent |
-
2018
- 2018-04-24 CN CN201810369855.XA patent/CN108624727A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1552990A (en) * | 2003-12-18 | 2004-12-08 | 陕西科技大学 | Post finishing process for superfine fiber artificial leather |
| CN104327745A (en) * | 2014-10-19 | 2015-02-04 | 青岛文晟汽车零部件有限公司 | Efficient leather brightener |
| CN104559621A (en) * | 2014-12-30 | 2015-04-29 | 东莞市高能磁电技术有限公司 | Modified polyurethane soap-free emulsion for leather finish and preparation method of modified polyurethane soap-free emulsion |
| CN106755639A (en) * | 2016-11-30 | 2017-05-31 | 广西大学 | A kind of leather gloss agent |
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Application publication date: 20181009 |
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