CN105178054B - A kind of coating method for making color inhibition patent leather - Google Patents
A kind of coating method for making color inhibition patent leather Download PDFInfo
- Publication number
- CN105178054B CN105178054B CN201510534246.1A CN201510534246A CN105178054B CN 105178054 B CN105178054 B CN 105178054B CN 201510534246 A CN201510534246 A CN 201510534246A CN 105178054 B CN105178054 B CN 105178054B
- Authority
- CN
- China
- Prior art keywords
- leather
- weight
- parts
- production
- color inhibition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The present invention relates to the coating method technical field of leather,A kind of coating method for making color inhibition patent leather is provided,Comprise the technical steps that crust leather ironing → flour milling → mill back of the body → benefit wound → flour milling → soot blowing is washed one's face → primary coat → middle apply 1 → ironing → 2 → top coat of middle painting successively,It is middle to apply 1,It is middle to apply 2,Top coat employs color inhibition material,The present invention effectively makes color inhibition infiltration adhere to crust leather surface texture using physics mode,So that crust leather surface effectively forms color inhibition coating,Color inhibition coating is not easily stripped,Crust leather effectively reaches color inhibition,And processing step is simple,It is easy to operate,It is adapted to quantitatively production and application,The composition of the color inhibition material selected on coating is simple,Unnecessary chemical composition is not contained,Unnecessary chemical composition is avoided to be damaged for caused by other performances of crust leather,Therefore,The resultant Leather handled by the present invention also has yellowing resistance when keeping its original Leather Properties,It disclosure satisfy that the use demand of patent leather,Practicality is high.
Description
Technical field
The present invention relates to the coating method technical field of leather, more particularly to a kind of covering with paint side for making color inhibition patent leather
Method.
Background technology
For light coat of paint, there is a common problem, be exactly easy xanthochromia, object xanthochromia and illumination, temperature,
Air and the chemical substance of contact etc. are relevant, and for coat of paint product used in everyday, illumination is its major influence factors, sun
Light middle-ultraviolet lamp can make some structures in molecule change, and cause to produce chromophoric group and auxochrome group, cause the hair of xanthochromia
Raw, xanthochromia is the result that coat of paint material structure changes, and not only influences its outward appearance and organoleptic properties, and its performance occur it is bad
One of signal of change.
The content of the invention
Therefore, for it is above-mentioned the problem of, the present invention proposes a kind of coating method for making color inhibition patent leather, using physics side
Formula effectively makes color inhibition infiltration adhere to crust leather surface texture so that and crust leather surface effectively forms color inhibition coating,
Color inhibition coating is not easily stripped, and crust leather effectively reaches color inhibition, and processing step is simple, easy to operate, is adapted to quantitatively
Production and application.
To realize above-mentioned technical problem, the solution that the present invention takes is：A kind of covering with paint side for making color inhibition patent leather
Method, comprise the technical steps that：Crust leather ironing → flour milling → mill the back of the body → benefit wound → flour milling → soot blowing washes one's face → and primary coat → middle applies 1 →
Ironing → 2 → top coat of middle painting, described to mend the component of mending agente and content used in wound be repairing paste 50-60 parts by weight, bleeding agent 40-
50 parts by weight, delustring filler 80-100 parts by weight；The primary coat slurry therewith component and content are high viscosity polyurethane resin 18-
22 parts by weight, ethylene glycol ethyl ether 18-22 parts by weight, water 55-65 parts by weight；It is described middle to apply 1 and 2 slurry therewith components and contain with middle apply
Measure as color inhibition synthesis resin 50-60 parts by weight, delustring filler 10-15 parts by weight, high physical property aliphatic polyurethane 70-80 weight
Part, acrylic resin 20-30 parts by weight, pigment paste 30-40 parts by weight；The top coat slurry therewith component and content are color inhibition
Polyurethane brightener 190-210 parts, butyl acetate 20-25 parts by weight.
It is further that the processing step is：
(1) crust leather presses：Crust leather is pressed with roller examination ironing machine, and roller speed is 10m/min, and temperature control is at 78-82 DEG C, pressure
For 380-420N；
(2) flour milling：Crust leather after ironing carries out flour milling processing, first manually looks for mill, then polished with No. 320 whole of sand paper；
(3) the mill back of the body：Crust leather after flour milling carries out whole mill back of the body processing with No. 320 sand paper to its flesh noodles；
(4) wound is mended：Benefit is scraped with the whole Zhang Shougong of mending agente, the mending agente dosage is 3g/sf；
(5) flour milling：The crust leather for wound of making amends for one's faults first is handled with whole flour milling of No. 600 sand paper, then No. 800 whole flour milling of sand paper
Processing；
(6) soot blowing is washed one's face：Crust leather tracheae after flour milling blows down fine ash caused by crust leather top bevel and the mill back of the body clean；
(7) primary coat：Sprayed one time with 8 rifles examination flush coater, parameter be rotating disk speed 170r/min, and it is 150m/min to transmit speed, gas
It is 68-72 DEG C to press as 0.15MPa, drying temperature；
(8) it is middle to apply 1：With coating roller roller coating one time, roller pressure 580-620N, the time is 3 seconds, drying temperature 78-82
℃；
(9) press：Roll type ironing machine presses, and roller speed is 10m/min temperature controls at 78-82 DEG C, pressure 380-420N；
(10) it is middle to apply 2：With coating roller roller coating two times, roller pressure 580-620N, the time is 3 seconds, drying temperature 78-82
℃；
(11) top coat：Coating roller roller coating two times, roller pressure 580-620N, time are 3 seconds, and drying temperature is 78-82 DEG C.
It is further that the repairing paste is MA-77-390 (this tal fibre leather chemical corporation, Ltd.), PREFONDO RC/
At least one in FULL (Ning Baidi Specialty Chemicals Co., Ltd), MANO stucco-9032 (Tag leather chemical corporation, Ltd.)
Kind；The bleeding agent is P-800 (Henry Pi Hua Co., Ltds), Solvenon PM (BASF joint-stock company), MANO PE-
At least one of 9064 (Tag leather chemical corporation, Ltd.s)；The delustring filler is FILLER FD (the limited public affairs of Ilyushin chemical industry
Department), at least one of Euderm Matting Agent SN-C (Lang Sheng Co., Ltds).
It is further that the high viscosity polyurethane resin is (the limited public affairs of the auspicious leather technology of moral of RODA PUR WX 1418
Department), at least one of RU20-73-989 (this tal fibre leather chemical corporation, Ltd.)；The ethylene glycol ethyl ether is technical pure；
It is further that the color inhibition synthesis resin is RC-2349 (this tal fibre leather chemical corporation, Ltd.), CARE
At least one of PC-5101 (Tag leather chemical corporation, Ltd.), C-38 (Ning Baidi Specialty Chemicals Co., Ltd)；The high thing
Property aliphatic polyurethane be RU-3901 (this tal fibre leather chemical corporation, Ltd.), (Tag leather chemical industry is limited by CARE PU-6209
At least one of company)；The acrylic resin is Primal SB150 (Lang Sheng Co., Ltds), Primal SB300 (bright Shengs
Co., Ltd), at least one of RA-1079 (this tal fibre leather chemical corporation, Ltd.)；The pigment paste is without junket extra white (grand unicorn
Hua Hang materials company).
It is further that the anti-yellowing polyurethane brightener is LU-100 (Zhong Pitianqing trade Co., Ltds), LU-D
At least one of (Zhong Pitianqing trade Co., Ltds)；The butyl acetate is technical pure.
By using preceding solution, the beneficial effects of the invention are as follows：The coating method for making color inhibition patent leather,
By effective combination of processing step and color inhibition material selection, effectively depend on color inhibition infiltration using physics mode
To crust leather surface texture so that crust leather surface effectively forms color inhibition coating, and color inhibition coating is not easily stripped, and effectively makes base
Leather reaches the effect of color inhibition, and processing step of the present invention is simple, easy to operate, is adapted to quantitatively production and application,
The composition of the color inhibition material selected on coating is simple, does not contain unnecessary chemical composition, avoids unnecessary chemical composition for base
Leather other performances caused by damage, therefore, by it is of the present invention making color inhibition patent leather coating method make into
Product leather also has yellowing resistance when keeping its original Leather Properties, and after testing, resultant Leather of the present invention folds 50000 secondary coatings
Without damaged (according to Chinese light industry standard QB/T 2714-2005), reciprocating friction color fastness dry and wet felt be 5 grades (according to
According to Chinese light industry standard QB/T 2537-2001), at 60 DEG C the discoloration grade through 6 hours illumination resultant Leathers be 4-5 levels (according to
According to A methods in chemical industry in China standard HG/T 3689-2014), therefore, pass through making color inhibition patent leather of the present invention
The resultant Leather that makes of coating method disclosure satisfy that the use demand of patent leather, it is practical.
Embodiment
The present invention is specifically described below by specific embodiment, whereby to the present invention how application technology means
To solve technical problem, and the implementation process for reaching technique effect can fully understand and implement according to this, it is necessary to it is pointed out here that
It is that the present embodiment is served only for that the present invention is further described, it is impossible to be interpreted as limiting the scope of the invention, the neck
The person skilled in the art in domain can make some nonessential modifications and adaptations according to the content of the invention described above.
Unless otherwise specified, the conventional hand that the technological means employed in embodiment is well known to those skilled in the art
Section, used reagent and product are also available commercial.The various processes and method not being described in detail are in this area
Known conventional method, the source of agents useful for same, trade name and is necessary to list its constituent person, on the first appearance
Indicate.
A kind of coating method for making color inhibition patent leather, is comprised the technical steps that：
(1) crust leather presses：Crust leather is pressed with roller examination ironing machine, and roller speed is 10m/min, and temperature control is in 80 DEG C, pressure
400N；
(2) flour milling：Crust leather after ironing carries out flour milling processing, first manually looks for mill, then polished with No. 320 whole of sand paper；
(3) the mill back of the body：Crust leather after flour milling carries out whole mill back of the body processing with No. 320 sand paper to its flesh noodles；
(4) wound is mended：Benefit is scraped with the whole Zhang Shougong of mending agente, the mending agente dosage is 3g/sf；The mending agente component and contain
Measure and be：Repairing paste MANO stucco-9032 (Tag leather chemical corporation, Ltd.) 55 parts by weight, bleeding agent P-800 (Henry skins
Change Co., Ltd) 45 parts by weight, delustring filler FILLER FD (Ilyushin Chemical Co., Ltd.) 90 parts by weight；
(5) flour milling：The crust leather for wound of making amends for one's faults first is handled with whole flour milling of No. 600 sand paper, then No. 800 whole flour milling of sand paper
Processing；
(6) soot blowing is washed one's face：Crust leather tracheae after flour milling blows down fine ash caused by crust leather top bevel and the mill back of the body clean；
(7) primary coat：Sprayed one time with 8 rifles examination flush coater, parameter be rotating disk speed 170r/min, and it is 150m/min to transmit speed, gas
It is 70 DEG C to press as 0.15MPa, drying temperature, and the primary coat slurry therewith component and content are：High viscosity polyurethane resin RU20-
73-989 (this tal fibre leather chemical corporation, Ltd.) 20 parts by weight, ethylene glycol ethyl ether (technical pure, Quanzhou limited public affairs of strong trade forever
Department) 20 parts by weight, the parts by weight of water 60；
(8) it is middle to apply 1：With coating roller roller coating one time, roller pressure 600N, the time is 3 seconds, and drying temperature is 80 DEG C, in described
Apply 1 slurry therewith component and content is：Color inhibition synthesis resin RC-2349 (this tal fibre leather chemical corporation, Ltd.) 55 weight
Part, delustring filler FILLER FD (Ilyushin Chemical Co., Ltd.) 12 parts by weight, high physical property aliphatic polyurethane RU-3901 (this tower
That leather chemical corporation, Ltd.) 75 parts by weight, acrylic resin SB300 (Lang Sheng Co., Ltds) 25 parts by weight, pigment paste is without junket
Extra white (Hong Linhua row materials company) 35 parts by weight；
(9) press：Roll type ironing machine presses, and roller speed is 10m/min temperature controls at 80 DEG C, pressure 400N；
(10) it is middle to apply 2：With coating roller roller coating two times, roller pressure 600N, the time is 3 seconds, and drying temperature is 80 DEG C, in described
Apply 2 slurry therewith components and content is：Color inhibition synthesis resin RC-2349 (this tal fibre leather chemical corporation, Ltd.) 55 weight
Part, delustring filler FILLER FD (Ilyushin Chemical Co., Ltd.) 12 parts by weight, high physical property aliphatic polyurethane RU-3901 (this tower
That leather chemical corporation, Ltd.) 75 parts by weight, acrylic resin SB300 (Lang Sheng Co., Ltds) 25 parts by weight, pigment paste is without junket
Extra white (Hong Linhua row materials company) 35 parts by weight；
(11) top coat：Coating roller roller coating one time, roller pressure 600N, time are 3 seconds, and drying temperature is 80 DEG C, the top coat
Slurry therewith component and content are anti-yellowing polyurethane brightener LU-100 (Zhong Pitianqing trade Co., Ltds) 200 parts by weight,
Butyl acetate (technical pure, Quanzhou Yong Qiang trade Co., Ltds) 23 parts by weight.
Resultant Leather after the processing of the coating method of above-mentioned making color inhibition patent leather is detected, after testing, resultant Leather
50000 secondary coatings are folded without damaged (according to Chinese light industry standard QB/T 2714-2005), reciprocating friction color fastness is done
Wet hair felt is 5 grades (according to Chinese light industry standard QB/T2537-2001), the color through 6 hours illumination resultant Leathers at 60 DEG C
Change grade is 4-5 levels (according to A method in chemical industry in China standard HG/T 3689-2014), therefore, by of the present invention
Making color inhibition patent leather coating method make resultant Leather also there is yellowing resistance when keeping its original Leather Properties,
The use demand of patent leather is disclosure satisfy that, it is practical.
The coating method of making color inhibition patent leather in summary, processing step is simple, easy to operate, in original patent leather system
On the basis of work, color inhibition patent leather is set to become a reality by using the material of color inhibition, and other performances of resultant Leather are without influence, it is full
The use demand of sufficient patent leather.
Described in above, only this wound is used using the embodiment of this origination techniques content, any those skilled in the art
Make done modifications and changes, all belong to the scope of the claims of this creation opinion, and be not limited to those disclosed embodiments.
Claims (5)
1. a kind of coating method for making color inhibition patent leather, it is characterised in that comprise the technical steps that：
(1) crust leather presses：Crust leather is pressed with roller examination ironing machine, and roller speed is 10m/min, and temperature control is in 78-82 DEG C, pressure
380-420N；
(2) flour milling：Crust leather after ironing carries out flour milling processing, first manually looks for mill, then polished with No. 320 whole of sand paper；
(3) the mill back of the body：Crust leather after flour milling carries out whole mill back of the body processing with No. 320 sand paper to its flesh noodles；
(4) wound is mended：Benefit is scraped with the whole Zhang Shougong of mending agente, and the mending agente dosage is 3g/sf, the component and content of mending agente used
For repairing paste 50-60 parts by weight, bleeding agent 40-50 parts by weight, delustring filler 80-100 parts by weight；
(5) flour milling：The crust leather for wound of making amends for one's faults first is handled with whole flour milling of No. 600 sand paper, then No. 800 whole flour milling processing of sand paper;
(6) soot blowing is washed one's face：Crust leather tracheae after flour milling blows down fine ash caused by crust leather top bevel and the mill back of the body clean;
(7) primary coat：Sprayed one time with 8 rifles examination flush coater, parameter is rotating disk speed 170r/min, and transmission speed is 150m/min, and air pressure is
0.15MPa, drying temperature are 68-72 DEG C；Primary coat slurry therewith component and content are high viscosity polyurethane resin 18-22 weight
Part, ethylene glycol ethyl ether 18-22 parts by weight, water 55-65 parts by weight；
(8) it is middle to apply 1：With coating roller roller coating one time, roller pressure 580-620N, the time is 3 seconds, and drying temperature is 78-82 DEG C；Institute
It is color inhibition synthesis resin 50-60 parts by weight to state 1 slurry therewith component of middle painting and content, delustring filler 10-15 parts by weight, high thing
Property aliphatic polyurethane 70-80 parts by weight, acrylic resin 20-30 parts by weight, pigment paste 30-40 parts by weight；
(9) press：Roll type ironing machine presses, and roller speed is 10m/min temperature controls at 78-82 DEG C, pressure 380-420N；
(10) it is middle to apply 2：With coating roller roller coating two times, roller pressure 580-620N, the time is 3 seconds, and drying temperature is 78-82 DEG C；Institute
It is color inhibition synthesis resin 50-60 parts by weight to state 2 slurry therewith components of middle painting and content, delustring filler 10-15 parts by weight, high thing
Property aliphatic polyurethane 70-80 parts by weight, acrylic resin 20-30 parts by weight, pigment paste 30-40 parts by weight；
(11) top coat：Coating roller roller coating two times, roller pressure 580-620N, time are 3 seconds, and drying temperature is 78-82 DEG C；The top
It is anti-yellowing polyurethane brightener 190-210 parts to apply slurry therewith component and content, butyl acetate 20-25 parts by weight.
A kind of 2. coating method for making color inhibition patent leather according to claim 1, it is characterised in that：The repairing paste
For the PREFONDO of MA-77-390, Ning Baidi Specialty Chemical Co., Ltd production of this tal fibre leather chemical corporation, Ltd. production
At least one of MANO stucco-9032 that RC/FULL, Tag leather chemical corporation, Ltd. produce；The bleeding agent is Henry
The P-800 of Pi Hua Co., Ltds production, Solvenon PM of BASF joint-stock company production, Tag leather chemical corporation, Ltd.
At least one of MANO PE-9064 of production；The delustring filler is FILLER FD, bright of Ilyushin Chemical Co., Ltd. production
Contain at least one of Euderm Matting Agent SN-C of Co., Ltd's production.
A kind of 3. coating method for making color inhibition patent leather according to claim 1, it is characterised in that：The high viscosity is gathered
Urethane resin is the RODA PUR WX 1418 of De Rui leather technologies Co., Ltd production, the life of this tal fibre leather chemical corporation, Ltd.
At least one of RU20-73-989 of production；The ethylene glycol ethyl ether is technical pure.
A kind of 4. coating method for making color inhibition patent leather according to claim 1, it is characterised in that：The color inhibition is comprehensive
Resin is the RC-2349 of this tal fibre leather chemical corporation, Ltd. production, the CARE of Tag leather chemical corporation, Ltd. production
At least one of C-38 of PC-5101, Ning Baidi Specialty Chemical Co., Ltd production；The high physical property aliphatic polyurethane is this
In the RU-3901 of tal fibre leather chemical corporation, Ltd. production, the CARE PU- 6209 of Tag leather chemical corporation, Ltd. production extremely
Few one kind；The acrylic resin is Primal SB150 of Lang Sheng Co., Ltds production, the production of Lang Sheng Co., Ltds
At least one of RA-1079 that Primal SB300, this tal fibre leather chemical corporation, Ltd. produce；The pigment paste is Hong Linhua
Row material company production without junket extra white.
A kind of 5. coating method for making color inhibition patent leather according to claim 1, it is characterised in that：The color inhibition gathers
Urethane brightener is in the LU-D of LU-100, Zhong Pitianqing trade Co., Ltd production of Zhong Pitianqing trade Co., Ltds production
It is at least one；The butyl acetate is technical pure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510534246.1A CN105178054B (en) | 2015-08-27 | 2015-08-27 | A kind of coating method for making color inhibition patent leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510534246.1A CN105178054B (en) | 2015-08-27 | 2015-08-27 | A kind of coating method for making color inhibition patent leather |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105178054A CN105178054A (en) | 2015-12-23 |
| CN105178054B true CN105178054B (en) | 2018-01-12 |
Family
ID=54900449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510534246.1A Active CN105178054B (en) | 2015-08-27 | 2015-08-27 | A kind of coating method for making color inhibition patent leather |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105178054B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676703A (en) * | 2020-05-29 | 2020-09-18 | 明新孟诺卡(浙江)新材料有限公司 | Direct coating process of high-simulation full-aqueous microfiber leather special for automotive interiors |
| CN113265190A (en) * | 2021-04-30 | 2021-08-17 | 晋江市永建皮革制品有限公司 | Processing formula, processing technology and equipment for white yellowing-resistant cow double-layer leather |
| CN114015817B (en) * | 2021-10-21 | 2022-11-25 | 兴业皮革科技股份有限公司 | Method for manufacturing environment-friendly water-based paint leather |
| CN116837152A (en) * | 2023-05-06 | 2023-10-03 | 杭州牧知家具有限公司 | Novel integrated furniture cattle leather and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102827966A (en) * | 2012-09-14 | 2012-12-19 | 兴业皮革科技股份有限公司 | Coating decoration method for making high-grade waxing leather from low-grade leather |
| CN202925363U (en) * | 2012-03-12 | 2013-05-08 | 广州市宏伟皮革有限公司 | Water-based wear-resistant synthetic leather |
| CN104264501A (en) * | 2014-10-21 | 2015-01-07 | 华伦皮塑（苏州）有限公司 | Preparation method of wrinkled enameled leather |
-
2015
- 2015-08-27 CN CN201510534246.1A patent/CN105178054B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202925363U (en) * | 2012-03-12 | 2013-05-08 | 广州市宏伟皮革有限公司 | Water-based wear-resistant synthetic leather |
| CN102827966A (en) * | 2012-09-14 | 2012-12-19 | 兴业皮革科技股份有限公司 | Coating decoration method for making high-grade waxing leather from low-grade leather |
| CN104264501A (en) * | 2014-10-21 | 2015-01-07 | 华伦皮塑（苏州）有限公司 | Preparation method of wrinkled enameled leather |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105178054A (en) | 2015-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105178054B (en) | A kind of coating method for making color inhibition patent leather | |
| CN105064022B (en) | A kind of coating method for making four color polishing wiper chromatic effects leather | |
| CN102234935B (en) | Method for producing antifouling PU synthetic leather | |
| CN102827966B (en) | Coating decoration method for making high-grade waxing leather from low-grade leather | |
| CN105696233B (en) | A kind of foaming painting whitening method of pleated curtain fabric | |
| WO2017012239A1 (en) | Low voc polyurethane synthetic leatherand manufacturing method therefor | |
| CN102864249B (en) | Finishing method of non-permeable cattle corrected grain leather | |
| CN108589318A (en) | Spin garden furnishings production technology in the low bullet spring Asia of bright cloud adornment | |
| CN105113256B (en) | A kind of dyeing of tent cloth | |
| CN105332288A (en) | Shoe leather preparing technology and formula thereof | |
| CN103898773B (en) | The production method of breathable leather | |
| CN104074054B (en) | Cellulose fibre cheese fluorescent paint colouring method | |
| CN112980263B (en) | Artistic painted wall cloth and preparation method thereof | |
| CN105200170B (en) | The production method of solvent resistant leather | |
| CN102943140A (en) | Method for improving water-based coating goat clothing leather color fastness to rubbing | |
| CN103741482B (en) | The reflective painting canvas of a kind of bead | |
| CN104419310A (en) | Leather surface matting agent | |
| CN105544134B (en) | A kind of preparation method of three-dimensional pattern patent leather | |
| CN105235436B (en) | A kind of skin is drawn | |
| CN110295258A (en) | Black plate light color mao mao removes from office product Coating technology | |
| CN103981717B (en) | Fag end of tool coating and preparation method thereof | |
| CN105773768B (en) | Old technology is done in a kind of dyeing of bamboo wood | |
| CN105154592B (en) | A kind of preparation method of aroma type decorative pattern leather | |
| CN104419777A (en) | Method for restoring leather product with cracks | |
| CN108236597A (en) | Water-based nail polish |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |