CN106978739A - The preparation method of dark-brown cladding with water scrub function - Google Patents
The preparation method of dark-brown cladding with water scrub function Download PDFInfo
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- CN106978739A CN106978739A CN201710299238.2A CN201710299238A CN106978739A CN 106978739 A CN106978739 A CN 106978739A CN 201710299238 A CN201710299238 A CN 201710299238A CN 106978739 A CN106978739 A CN 106978739A
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- scytoblastema
- softening agent
- agent
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/32—Material containing basic nitrogen containing amide groups leather skins
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/02—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using azo dyes
- D06P1/10—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using azo dyes containing metal
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/16—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dispersed, e.g. acetate, dyestuffs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/46—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
- D06P1/5285—Polyurethanes; Polyurea; Polyguanides
Abstract
A kind of preparation method of the dark-brown cladding with water scrub function, is related to the preparation of cladding, this method comprises the following steps：Step 1: scytoblastema changes colour, the spray liquid that changes colour uniformly is sprayed onto on scytoblastema by full-automatic spray skin machine, it will be placed into using the spray scytoblastema that liquid handles well that changes colour inside rinsing machine, softening agent and color fixing agent are added inside rinsing machine simultaneously, scytoblastema is handled 6 minutes in rinsing machine, is then taken out being placed into inside dryer and scytoblastema is dried；Step 2: finished product changes colour, the scytoblastema that finishes will be dried in step one to be placed on polishing machine, and solvent and blended wax are applied on scytoblastema, middle smooth footwear breast, using being manually applied on scytoblastema, is finally then being subjected to receipts light using polishing machine, pass through cladding color more saturation made from the method, comfort level can be more preferable, there is antique effect, and color and luster is unique, make color more natural, colour fixation can be more preferable.
Description
Technical field：
The present invention relates to the preparation of cladding, and in particular to a kind of preparation method of the dark-brown cladding with water scrub function.
Background technology：
Leather is widely used in the surface of people's livelihood articles for use, and such as tables and chairs, sofa, footwear material, clothing etc. increase people's livelihood articles for use
Texture, aesthetic feeling or durability.Leather can be roughly divided into dermatine and natural leather.Natural leather, which refers to, to be taken animal fur and gives
With drying, cleaning, softening, dyeing, deburring, the manufacture craft processing such as cut after, form surfacing and strong but pliable in texture skin
Material.
When semi-finished product cladding is processed, it usually needs cladding is cut out into first layer lether and double-layer fur using split craft piece,
First layer lether is generally made fabric etc. that high-grade cladding is used to prepare high-grade footwear material or clothing, it is same the need for will be dyed,
But often occurring that cladding color is unsaturated during dyeing, comfort level carefully, does not there is antique effect, Yi Jihui
There is color and luster uneven, make color unnatural, the bad situation of colour fixation occurs, and causes where all cladding material is used
Preferable effect can not be reached, in order to solve the above-mentioned technical problem, spy proposes a kind of new technical scheme.
The content of the invention：
The invention aims to overcome the weak point that above-mentioned prior art is present, and provide a kind of with washing work(
The preparation method of the dark-brown cladding of energy.
The technical solution adopted by the present invention is：A kind of preparation method of the dark-brown cladding with water scrub function, this method
Comprise the following steps：Step 1: scytoblastema changes colour, the spray liquid that changes colour uniformly is sprayed onto on scytoblastema by full-automatic spray skin machine, by profit
The scytoblastema that the liquid that changed colour with spray is handled well is placed into inside rinsing machine, while softening agent and color fixing agent are added inside rinsing machine,
Scytoblastema is handled 5-10 minutes in rinsing machine, preferably 8 minutes, is then taken out being placed into inside dryer and scytoblastema is dried
It is dry；
Step 2: finished product changes colour, the scytoblastema that finishes will be dried in step one and is placed on polishing machine, and by solvent and mixing
Wax is applied on scytoblastema, and using being manually applied on scytoblastema, middle smooth footwear breast finally then is being carried out into receipts light using polishing machine, this
When polishing machine rotating speed be 9 revolutions per seconds.
The change colour component and weight fraction of liquid of described spray be：5-30 parts of metal complex, 8-10 parts of emulsifying agent, blended wax
16-18 parts of 6-9 parts, 30-40 parts of environment-friendly type solvent and polyurethane resin.
Pyridone monoazo compound of the described metal complex represented by formula [I]~formula [III] and match somebody with somebody therewith
The divalent metal ion of nickel, cobalt, iron, zinc, copper, the manganese of position etc. is constituted, and the pyridone monoazo compound contains as coupling agent composition
6- hydroxyl -2- pyridone structures, contain isoxazole, 1,2,4- triazoles or pyrrazole structure as diazo component；Described breast
Agent includes tall oil and polyamide；Described blended wax by 27%-37% U.S.'s W-445 microwaxes and 63%-73%
No. 185 microwaxes composition；Described environment-friendly type solvent is dimethyl carbonate, propene carbonate, ethylene dimethyl, glutaric acid
The combination of one or both of dimethyl ester, succinic acid diformazan and the above.
Described softening agent and the parts by weight of color fixing agent are：0.1-1 parts of softening agent, 0.1-0.4 parts of color fixing agent is described
Softening agent is softening agent 101, softener ES, softening agent HC, softening agent IS, softening agent MS 20, softening agent RS, softening agent SME-
4th, softening agent TC, softening agent VS or softening agent TR；
Described solvent and the parts by weight of blended wax are：Solvent be 50-70 part, blended wax be 30-50 parts, it is described and
Composition is water, and described blended wax composition is micro- by 27%-37% U.S.'s W-445 microwaxes and No. 185 of 63%-73%
Brilliant wax composition.
The composition of described middle light footwear breast is 25-30 parts of dyestuff, 15-25 parts of filler, 25-35 parts of resin, auxiliary agent 10-20
Part, 10-20 parts of solvent.
Described dyestuff is disperse dyes；Solvent is water.
Beneficial effects of the present invention are：By cladding color more saturation made from the method, comfort level can be more preferable, there is imitative
Ancient effect, and color and luster is unique, makes color more natural, and colour fixation can be more preferable.
Embodiment：
The present invention is further described in conjunction with specific embodiments：
Embodiment one：
A kind of preparation method of the dark-brown cladding with water scrub function, this method comprises the following steps：Step 1: scytoblastema
Change colour, be uniformly sprayed onto the spray liquid that changes colour on scytoblastema by full-automatic spray skin machine, will be put using the spray scytoblastema that liquid handles well that changes colour
Put inside rinsing machine, while adding softening agent and color fixing agent inside rinsing machine, handle scytoblastema 6 minutes in rinsing machine,
It is then taken out being placed into inside dryer and scytoblastema is dried；
Step 2: finished product changes colour, the scytoblastema that finishes will be dried in step one and is placed on polishing machine, and by solvent and mixing
Wax is applied on scytoblastema, and using being manually applied on scytoblastema, middle smooth footwear breast finally then is being carried out into receipts light using polishing machine, this
When polishing machine rotating speed be 9 revolutions per seconds.
The change colour component and weight fraction of liquid of described spray be：7 parts of metal complex, 8.5 parts of emulsifying agent, 8 parts of blended wax,
16.5 parts of 35 parts of environment-friendly type solvent and polyurethane resin.
Pyridone monoazo compound of the described metal complex represented by formula [I]~formula [III] and match somebody with somebody therewith
The divalent metal ion of nickel, cobalt, iron, zinc, copper, the manganese of position etc. is constituted, and the pyridone monoazo compound contains as coupling agent composition
6- hydroxyl -2- pyridone structures, contain isoxazole, 1,2,4- triazoles or pyrrazole structure as diazo component；Described breast
Agent includes tall oil and polyamide；Described blended wax is by 28% U.S.'s W-445 microwaxes and 65% No. 185 crystallites
Wax is constituted；Described environment-friendly type solvent is dimethyl carbonate, propene carbonate, ethylene dimethyl, dimethyl glutarate, fourth two
The combination of one or both of sour diformazan and the above.
Described softening agent and the parts by weight of color fixing agent are：0.5 part of softening agent, 0.2 part of color fixing agent, described softening agent
It is softening agent 101, softener ES, softening agent HC, softening agent IS, softening agent MS 20, softening agent RS, softening agent SME-4, softness
Agent TC, softening agent VS or softening agent TR；
Described solvent and the parts by weight of blended wax are：Solvent is 55 parts, and blended wax is 35 parts, and described and composition is
Water, described blended wax composition is to be made up of 28% U.S.'s W-445 microwaxes and 65% No. 185 microwaxes.
The composition of described middle light footwear breast is 27 parts of dyestuff, 20 parts of filler, 27 parts of resin, 17 parts of auxiliary agent, 17 parts of solvent.
Described dyestuff is disperse dyes；Solvent is water.
Embodiment two：
A kind of preparation method of the dark-brown cladding with water scrub function, this method comprises the following steps：Step 1: scytoblastema
Change colour, be uniformly sprayed onto the spray liquid that changes colour on scytoblastema by full-automatic spray skin machine, will be put using the spray scytoblastema that liquid handles well that changes colour
Put inside rinsing machine, while adding softening agent and color fixing agent inside rinsing machine, handle scytoblastema 8 minutes in rinsing machine,
It is then taken out being placed into inside dryer and scytoblastema is dried；
Step 2: finished product changes colour, the scytoblastema that finishes will be dried in step one and is placed on polishing machine, and by solvent and mixing
Wax is applied on scytoblastema, and using being manually applied on scytoblastema, middle smooth footwear breast finally then is being carried out into receipts light using polishing machine, this
When polishing machine rotating speed be 9 revolutions per seconds.
The change colour component and weight fraction of liquid of described spray be：20 parts of metal complex, 9 parts of emulsifying agent, 8 parts of blended wax,
17 parts of 35 parts of environment-friendly type solvent and polyurethane resin.
Pyridone monoazo compound of the described metal complex represented by formula [I]~formula [III] and match somebody with somebody therewith
The divalent metal ion of nickel, cobalt, iron, zinc, copper, the manganese of position etc. is constituted, and the pyridone monoazo compound contains as coupling agent composition
6- hydroxyl -2- pyridone structures, contain isoxazole, 1,2,4- triazoles or pyrrazole structure as diazo component；Described breast
Agent includes tall oil and polyamide；Described blended wax is by 30% U.S.'s W-445 microwaxes and 70% No. 185 crystallites
Wax is constituted；Described environment-friendly type solvent is dimethyl carbonate, propene carbonate, ethylene dimethyl, dimethyl glutarate, fourth two
The combination of one or both of sour diformazan and the above.
Described softening agent and the parts by weight of color fixing agent are：0.1-1 parts of softening agent, 0.1-0.4 parts of color fixing agent is described
Softening agent is softening agent 101, softener ES, softening agent HC, softening agent IS, softening agent MS 20, softening agent RS, softening agent SME-
4th, softening agent TC, softening agent VS or softening agent TR；
Described solvent and the parts by weight of blended wax are：Solvent is 60 parts, and blended wax is 40 parts, and described and composition is
Water, described blended wax composition is to be made up of 30% U.S.'s W-445 microwaxes and 70% No. 185 microwaxes.
The composition of described middle light footwear breast is 27 parts of dyestuff, 20 parts of filler, 30 parts of resin, 15 parts of auxiliary agent, 15 parts of solvent.
Described dyestuff is disperse dyes；Solvent is water.
Embodiment three：
A kind of preparation method of the dark-brown cladding with water scrub function, this method comprises the following steps：Step 1: scytoblastema
Change colour, be uniformly sprayed onto the spray liquid that changes colour on scytoblastema by full-automatic spray skin machine, will be put using the spray scytoblastema that liquid handles well that changes colour
Put inside rinsing machine, while adding softening agent and color fixing agent inside rinsing machine, handle scytoblastema 10 minutes in rinsing machine,
It is then taken out being placed into inside dryer and scytoblastema is dried；
Step 2: finished product changes colour, the scytoblastema that finishes will be dried in step one and is placed on polishing machine, and by solvent and mixing
Wax is applied on scytoblastema, and using being manually applied on scytoblastema, middle smooth footwear breast finally then is being carried out into receipts light using polishing machine, this
When polishing machine rotating speed be 9 revolutions per seconds.
The change colour component and weight fraction of liquid of described spray be：30 parts of metal complex, 10 parts of emulsifying agent, 9 parts of blended wax,
18 parts of 40 parts of environment-friendly type solvent and polyurethane resin.
Pyridone monoazo compound of the described metal complex represented by formula [I]~formula [III] and match somebody with somebody therewith
The divalent metal ion of nickel, cobalt, iron, zinc, copper, the manganese of position etc. is constituted, and the pyridone monoazo compound contains as coupling agent composition
6- hydroxyl -2- pyridone structures, contain isoxazole, 1,2,4- triazoles or pyrrazole structure as diazo component；Described breast
Agent includes tall oil and polyamide；Described blended wax is by 37% U.S.'s W-445 microwaxes and 73% No. 185 crystallites
Wax is constituted；Described environment-friendly type solvent is dimethyl carbonate, propene carbonate, ethylene dimethyl, dimethyl glutarate, fourth two
The combination of one or both of sour diformazan and the above.
Described softening agent and the parts by weight of color fixing agent are：1 part of softening agent, 0.4 part of color fixing agent, described softening agent is
Softening agent 101, softener ES, softening agent HC, softening agent IS, softening agent MS 20, softening agent RS, softening agent SME-4, softening agent
TC, softening agent VS or softening agent TR；
Described solvent and the parts by weight of blended wax are：Solvent is 70 parts, and blended wax is 50 parts, and described and composition is
Water, described blended wax composition is to be made up of 37% U.S.'s W-445 microwaxes and 73% No. 185 microwaxes.
The composition of described middle light footwear breast is 30 parts of dyestuff, 25 parts of filler, 35 parts of resin, 20 parts of auxiliary agent, 20 parts of solvent.
Described dyestuff is disperse dyes；Solvent is water.
Using effect is tested：
This research is handled cladding by randomly selecting 100 claddings, investigates the effect of this method each side.Test
Project standards of grading are：Very satisfied 5 points, 4 points are satisfied with, general 3 points, 2 points, very dissatisfied 1 point are unsatisfied with.Wherein common group
For common processing method；
In summary, the present invention its not only can effectively color saturation, comfort level and color and luster problem, and using pacifying
Entirely, healthy, effective, colour fixation is also more preferable.The preparation method is to make breakthrough by the processing method to conventional leather
Adjustment, the proportioning of some unique raw material and raw material is equally added during adjustment, makes whole preparation method more
Plus it is smooth, and effect is apparent.
For those skilled in the art, other can be made various corresponding according to above technical scheme and design
Change and deformation, and all these change and deformation should all belong within the protection domain of the claims in the present invention.
Claims (7)
1. a kind of preparation method of the dark-brown cladding with water scrub function, it is characterised in that：This method comprises the following steps：Step
Rapid one, scytoblastema changes colour, and is uniformly sprayed onto the spray liquid that changes colour on scytoblastema by full-automatic spray skin machine, the liquid that will be changed colour using spray is handled well
Scytoblastema be placed into inside rinsing machine, while softening agent and color fixing agent are added inside rinsing machine, by scytoblastema in rinsing machine
Reason 5-10 minutes, preferably 8 minutes, is then taken out being placed into inside dryer and scytoblastema is dried；
Step 2: finished product changes colour, the scytoblastema that finishes will be dried in step one and is placed on polishing machine, and solvent and blended wax are applied
Smear on scytoblastema, then, using being manually applied on scytoblastema, finally carry out receipts light by middle smooth footwear breast using polishing machine, now throw
The rotating speed of ray machine is 9 revolutions per seconds.
2. the preparation method of the dark-brown cladding according to claim 1 with water scrub function, it is characterised in that：Described
The change colour component and weight fraction of liquid of spray be：5-30 parts of metal complex, 8-10 parts of emulsifying agent, 6-9 parts of blended wax, environment-friendly type are molten
16-18 parts of 30-40 parts of agent and polyurethane resin.
3. the preparation method of the dark-brown cladding according to claim 2 with water scrub function, it is characterised in that：Described
Pyridone monoazo compound of the metal complex represented by formula [I]~formula [III] and the nickel being coordinated therewith, cobalt, iron,
The divalent metal ion of zinc, copper, manganese etc. is constituted, and the pyridone monoazo compound contains 6- hydroxyls -2- as coupling agent composition
Pyridone structure, contains isoxazole, 1,2,4- triazoles or pyrrazole structure as diazo component；Described emulsifying agent includes appropriate that
Oil and polyamide；Described blended wax is by 27%-37% U.S.'s W-445 microwaxes and 63%-73% No. 185 microwaxes
Composition；Described environment-friendly type solvent is dimethyl carbonate, propene carbonate, ethylene dimethyl, dimethyl glutarate, succinic acid
The combination of one or both of diformazan and the above.
4. the preparation method of the dark-brown cladding according to claim 1 with water scrub function, it is characterised in that：Described
The parts by weight of softening agent and color fixing agent are：0.1-1 parts of softening agent, 0.1-0.4 parts of color fixing agent, described softening agent is softening agent
101st, softener ES, softening agent HC, softening agent IS, softening agent MS 20, softening agent RS, softening agent SME-4, softening agent TC, softness
Agent VS or softening agent TR.
5. the preparation method of the dark-brown cladding according to claim 1 with water scrub function, it is characterised in that：Described
The parts by weight of solvent and blended wax are：Solvent is 50-70 parts, and blended wax is 30-50 parts, and described and composition is water, described
Blended wax composition to be made up of 27%-37% U.S.'s W-445 microwaxes and 63%-73% No. 185 microwaxes.
6. the preparation method of the dark-brown cladding according to claim 1 with water scrub function, it is characterised in that：Described
The composition of middle smooth footwear breast is 25-30 parts of dyestuff, 15-25 parts of filler, 25-35 parts of resin, 10-20 parts of auxiliary agent, 10-20 parts of solvent.
7. the preparation method of the dark-brown cladding according to claim 6 with water scrub function, it is characterised in that：Described
Dyestuff is disperse dyes；Solvent is water.
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| CN201710299238.2A CN106978739A (en) | 2017-04-28 | 2017-04-28 | The preparation method of dark-brown cladding with water scrub function |
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| CN201710299238.2A CN106978739A (en) | 2017-04-28 | 2017-04-28 | The preparation method of dark-brown cladding with water scrub function |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1263963A (en) * | 2000-03-09 | 2000-08-23 | 王贵林 | Colourate for leather |
| CN101151164A (en) * | 2005-03-29 | 2008-03-26 | 三菱化学媒体株式会社 | Optical recording medium, metal complex compound and organic dye compound |
| CN102747608A (en) * | 2012-06-20 | 2012-10-24 | 浙江正瑞科技有限公司 | Post-treatment method for PU synthetic leather |
| CN104532598A (en) * | 2014-12-31 | 2015-04-22 | 东莞市天逸皮业有限公司 | Preparation method for washed leather |
-
2017
- 2017-04-28 CN CN201710299238.2A patent/CN106978739A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1263963A (en) * | 2000-03-09 | 2000-08-23 | 王贵林 | Colourate for leather |
| CN101151164A (en) * | 2005-03-29 | 2008-03-26 | 三菱化学媒体株式会社 | Optical recording medium, metal complex compound and organic dye compound |
| CN102747608A (en) * | 2012-06-20 | 2012-10-24 | 浙江正瑞科技有限公司 | Post-treatment method for PU synthetic leather |
| CN104532598A (en) * | 2014-12-31 | 2015-04-22 | 东莞市天逸皮业有限公司 | Preparation method for washed leather |
Non-Patent Citations (1)
| Title |
|---|
| 范浩军 等: "《人造革/合成革材料及工艺学》", 31 August 2014 * |
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Application publication date: 20170725 |
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