CN104711382B - A kind of manufacture method of waterproof and breathable leather - Google Patents
A kind of manufacture method of waterproof and breathable leather Download PDFInfo
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- CN104711382B CN104711382B CN201510115521.6A CN201510115521A CN104711382B CN 104711382 B CN104711382 B CN 104711382B CN 201510115521 A CN201510115521 A CN 201510115521A CN 104711382 B CN104711382 B CN 104711382B
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Classifications
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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
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/04—Mineral tanning
- C14C3/06—Mineral tanning using chromium compounds
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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
- C14C1/00—Chemical treatment prior to tanning
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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
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
-
- 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
- C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
-
- 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
- C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
- C14C9/02—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes using fatty or oily materials, e.g. fat liquoring
Abstract
The present invention provides the manufacture method of a kind of waterproof and breathable leather, including choosing predetermined cattle wet blue as scytoblastema, and described scytoblastema sequentially passed through acid rewetting, retanning, neutralize, fill, dye, stuffing operation, the polymeric dispersant that waterproofing agent is containing silicone resin used in described stuffing operation.The fluoride waterproofing agent that the present invention replaces tradition to use by using the polymeric dispersant of containing silicone resin as waterproofing agent, can be at leather surface and be internally formed water-repellent layer, this water-repellent layer can play the effect of waterproof and breathable, and then make obtained leather have water resistance and permeability, and cost is relatively low simultaneously.
Description
Technical field
The present invention relates to the manufacture method of a kind of leather, the manufacture method of a kind of waterproof and breathable leather.
Background technology
At present, leather industry matte water resistance is required more and more higher by consumption market, most enterprises can also produce the leather fabric with water resistance, but these leather fabrics all lack permeability while waterproof, after being made into shoes dress, the problems such as vexed foot, smelly feet may be produced, significantly limit the range of application of leather fabric.
So that fabric has waterproof and ventilative performance simultaneously, Some Enterprises is by obtaining Water-proof breathable fabric by compound to leather and other materials, but this kind of fabric easily makes leather distortion, and fabric class is relatively low and complex process, relatively costly.Chinese invention patent application ZL200910043014.0 discloses production method of a kind of giant salamander leather and products thereof, and it is particular in that the feature for Andrias davidianus Blanchard skin and the technological parameter taked, does not have practicality for conventional leather such as Corii Bovis seu Bubalis.
For problem above, applicant carried out in-depth study, then have this case to produce.
Summary of the invention
It is an object of the invention to provide a kind of manufacture method with water resistance and permeability and cost relatively low waterproof and breathable leather.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of manufacture method of waterproof and breathable leather, including choosing predetermined cattle wet blue as scytoblastema, and described scytoblastema sequentially passed through acid rewetting, retanning, neutralize, fill, dye, stuffing operation, the polymeric dispersant that waterproofing agent is containing silicone resin used in described stuffing operation.
As a modification of the present invention, in described retanning procedures, containing mass percent in the retanning agent of use is the chromic oxide of 33%-45%.
As a modification of the present invention, in described neutralization step, containing the polymers of carboxylic acid sodium salt that mass percent is 85%-95% in the nertralizer of use.
nullAs a modification of the present invention，In described retanning procedures，Water in drum unit accounts for the 50% of drum unit total measurement (volume)，Water temperature is 30 DEG C-40 DEG C，Scytoblastema in drum unit is with 100 kilograms for counting，Adding liquid quality percentage ratio in accounting for chromium powder that liquid quality percentage ratio in drum unit is 1%-3% and accounting for drum unit is the described retanning agent of 1%-2%，Adding after rotating 60 minutes and accounting for liquid quality percentage ratio in drum unit is the fatty aldehyde of 0.5%-1.0%，After rotating 20-30 minute, drum unit topped up with water is diluted，Often there are in drum unit 100 kilograms of described scytoblastemas，Adding liquid quality percentage ratio in accounting for sodium formate that liquid quality percentage ratio in drum unit is 1%-2% and accounting for drum unit is the neutral aromatic sulphonic acid salt mixture of 0.5%-1%，In after rotating 20 minutes, addition accounts for drum unit, liquid quality percentage ratio is the sodium bicarbonate of 0.2%-0.5%，Rotate 20 minutes.
As a modification of the present invention, in described neutralization step, water in drum unit accounts for the 50% of drum unit total measurement (volume), scytoblastema in drum unit is with 100 kilograms for counting, adding liquid quality percentage ratio in accounting for described nertralizer that liquid quality percentage ratio in drum unit is 1.5%-2.5% and accounting for drum unit in drum unit is the sodium formate of 1%-2%, adding after rotating 30 minutes and accounting for liquid quality percentage ratio in drum unit is the sodium bicarbonate of 1%-2%, account for liquid quality percentage ratio in drum unit be the bacterial enzyme of 0.2%-0.5% and the mixture of activator and in accounting for drum unit liquid quality percentage ratio be the ammonium hydrogen carbonate of 0.2%-0.6%, in after being rotated further by 90 minutes, addition accounts for drum unit, liquid quality percentage ratio is the acrylate copolymer of 1%-2%, rotate 40 minutes.
Use technique scheme, the method have the advantages that
1, the fluoride waterproofing agent that the present invention replaces tradition to use by using the polymeric dispersant of containing silicone resin as waterproofing agent, can be at leather surface and be internally formed water-repellent layer, this water-repellent layer can play the effect of waterproof and breathable, and then make obtained leather have water resistance and permeability, and cost is relatively low simultaneously.
2, the waterproofing agent using containing silicone resin replaces fluoride waterproofing agent, it is possible to decrease adds oil temperature in stuffing operation, both can ensure that the leather of acquisition has good tensile force, can reduce again energy consumption.
3, select high salinity retanning agent that cattle wet blue is carried out retanning, the absorbent properties of cattle wet blue can be strengthened, and finished product yield of leather can be effectively improved, reduce cost further.
4, use the nertralizer containing polymers of carboxylic acid sodium salt can effectively be coated with leather fiber, prevent cortex the loosest, improve the fullness on scytoblastema surface, reduce potting resin and the usage amount of retanning agent, reduce cost.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described further.
The manufacture method of the waterproof and breathable leather that the present embodiment provides, including following operation:
S1: get the raw materials ready, chooses predetermined cattle wet blue and can select according to actual needs as scytoblastema, concrete cattle wet blue.
S2: acid rewetting, scytoblastema is put into drum unit, the scytoblastema weight putting into drum unit can determine according to actual needs, then drum unit is filled water, use oxalic acid, salt and enemy water list A that scytoblastema carries out acid rewetting, acid rewetting is preferably carried out twice, needs, by the drain in drum unit, to be carried out with the warm water of 45 DEG C between two subacid rewettings after every subacid rewetting.It should be noted that, the used in amounts of oxalic acid, salt and enemy water list A to be determined according to the actual weight of scytoblastema, in the present embodiment, often there are in drum unit 100 kilograms of scytoblastemas, oxalic acid, salt and the enemy water list A added divides that to account for liquid quality percentage ratio in drum unit be 0.3-0.8,0.5-0.8 and 0.1-0.3, i.e. when the scytoblastema weight in drum unit changes, the consumption of oxalic acid, salt and enemy water list A is also required to equal proportion and changes.
S3: retanning, toward add in drum unit account for the 50% of drum unit total measurement (volume), water temperature is the water of 30 DEG C-40 DEG C, scytoblastema in drum unit is with 100 kilograms for counting afterwards, toward add in drum unit account for chromium powder that liquid quality percentage ratio in drum unit is 1%-3% and account for drum unit in liquid quality percentage ratio be that the used in amounts of the retanning agent of 1%-2%, i.e. chromium powder and retanning agent to be determined according to the weight of scytoblastema.In the present embodiment, the retanning agent of use is booth river board TJ-T7020, and containing mass percent in this retanning agent is the chromic oxide of 45%, it should be noted that the mass percentage content of chromic oxide can be chosen in the range of 33%-45% in retanning agent.
In accounting for drum unit toward addition in drum unit again after rotating 60 minutes, liquid quality percentage ratio is the fatty aldehyde of 0.5%-1.0%, the consumption of this fatty aldehyde is also with 100 kilograms of scytoblastemas for according to determining, when scytoblastema weight changes, its consumption is also required to equal proportion and changes.It should be noted that the most in addition to water toward add in drum unit various additives the most all with 100 kilograms of scytoblastemas for according to determining.
After rotating 20-30 minute, drum unit topped up with water is diluted, adding liquid quality percentage ratio in accounting for sodium formate that liquid quality percentage ratio in drum unit is 1%-2% and accounting for drum unit is the neutral aromatic sulphonic acid salt mixture of 0.5%-1%, in after rotating 20 minutes, addition accounts for drum unit, liquid quality percentage ratio is the sodium bicarbonate of 0.2%-0.5%, drum unit is allowed to rotate the most again 20 minutes, then the liquid in drum unit is discharged and washed, be also required to after washing drain water.
In the present embodiment, the fatty aldehyde used is the PF fatty aldehyde that Si Ma company of Germany produces, and the neutral aromatic sulphonic acid salt mixture used is the JNG neutrality aromatic sulphonic acid salt mixture that BASF Aktiengesellschaft produces.
S4: neutralize, the water accounting for drum unit total measurement (volume) 50% is added in drum unit, then toward drum unit adds account for nertralizer that liquid quality percentage ratio in drum unit is 1.5%-2.5% and account for drum unit in liquid quality percentage ratio be the mixed solution of sodium formate of 1%-2%, in the present embodiment, containing the polymers of carboxylic acid sodium salt that mass percent is 85%-95% in the nertralizer of use.
Add after rotating 30 minutes account for sodium bicarbonate that liquid quality percentage ratio in drum unit is 1%-2%, account for liquid quality percentage ratio in drum unit be the bacterial enzyme of 0.2%-0.5% and the mixture of activator and in accounting for drum unit liquid quality percentage ratio be the ammonium hydrogen carbonate of 0.2%-0.6%, in after being rotated further by 90 minutes, addition accounts for drum unit, liquid quality percentage ratio is the acrylate copolymer of 1%-2%, the bacterial enzyme used in the present embodiment and the mixture of activator are the S-20 mixture that Germany's BASF produces, and the acrylate copolymer used is booth river board TJ-R558.
Allow drum unit rotate the most again 40 minutes, then the liquid in drum unit is discharged and washed, be also required to after washing drain water.
S5: fill, dye, filling and dyeing process in the present embodiment are conventional operation, the most no longer describe in detail.
S6: stuffing, the also difference with conventional operation of stuffing operation in the present embodiment is, the polymeric dispersant that waterproofing agent is containing silicone resin that the present embodiment uses, the fluoride waterproofing agent used during i.e. the waterproofing agent of the polymeric dispersant of the present embodiment containing silicone resin replaces prior art, owing to fluoride waterproofing agent main component of the prior art is fluoride, typically require during use that temperature reaches about 55 DEG C, energy consumption is higher and to easily cause obtained leather tensile force poor, reduce leather quality, in addition the higher Color affecting dyeing process of temperature, and require nothing more than temperature when using the waterproofing agent that the present embodiment provides and reach about 42 DEG C, energy consumption can be reduced, improve leather tensile force, and uniform coloring.
S7: finished leather: after completing above-mentioned operation, then the waterproof and breathable leather needed for operations such as fixing, wash and be dried obtains.
The waterproof and breathable leather using the method for the present embodiment to obtain can have following physics and a chemical index:
1, tear edge is more than or equal to 50N；
2, colorfastness to rubbing/level: dry friction 3.0-4.0, wet friction 2.0-3.0；
3, shrinkage temperature is more than or equal to 95 DEG C；
4, pH value is 3.5-6.0；
5, dynamic water-proof number of times is more than or equal to 40,000 times；
6, breathability is more than or equal to 10mg/cm2.h；
7, decomposable asymmetric choice net is harmful to aromatic amine dyestuff less than or equal to 30ppm；
8, free formaldehyde content is less than or equal to 15ppm；
9, content of 6-valence Cr ions is less than or equal to 2ppm.
Above in conjunction with embodiment, the present invention is described in detail; but embodiments of the present invention are not limited in above-mentioned embodiment; the present invention can be made various deformation according to prior art by those skilled in the art; as the acrylate copolymer in above-described embodiment is changed to the acrylate copolymer etc. of other brands by booth river board TJ-R558, these broadly fall into the protection domain of invention.
Claims (4)
1. the manufacture method of a waterproof and breathable leather, it is characterised in that include choosing predetermined Niu Lan
Wet skin as scytoblastema, and described scytoblastema is sequentially passed through acid rewetting, retanning, neutralize, fill, dye,
Stuffing operation, the polymeric dispersant that waterproofing agent is containing silicone resin used in described stuffing operation；
In described retanning procedures, the water in drum unit accounts for the 50% of drum unit total measurement (volume), and water temperature is 30 DEG C
-40 DEG C, the scytoblastema in drum unit, with 100 kilograms for counting, adds and accounts for liquid quality percentage ratio in drum unit
For the chromium powder of 1%-3% with to account for liquid quality percentage ratio in drum unit be the retanning agent of 1%-2%, rotate 60
Adding after minute and accounting for liquid quality percentage ratio in drum unit is the fatty aldehyde of 0.5%-1.0%, rotates
After 20-30 minute, drum unit topped up with water is diluted, adds and account for liquid quality percentage ratio in drum unit
For the sodium formate of 1%-2% with account for the neutral aromatic series sulphur that liquid quality percentage ratio in drum unit is 0.5%-1%
Hydrochlorate mixture, in after rotating 20 minutes, addition accounts for drum unit, liquid quality percentage ratio is 0.2%-0.5%
Sodium bicarbonate, rotate 20 minutes.
2. the manufacture method of waterproof and breathable leather as claimed in claim 1, it is characterised in that in institute
Stating in retanning procedures, containing mass percent in the retanning agent of use is the chromic oxide of 33%-45%.
3. the manufacture method of waterproof and breathable leather as claimed in claim 1 or 2, it is characterised in that
In described neutralization step, containing mass percent in the nertralizer of use is the carboxyl acid copolymer of 85%-95%
Thing sodium salt.
4. the manufacture method of waterproof and breathable leather as claimed in claim 3, it is characterised in that in institute
Stating in neutralization step, the water in drum unit accounts for the 50% of drum unit total measurement (volume), the scytoblastema in drum unit with
100 kilograms is meter, and in drum unit, addition accounts for drum unit, liquid quality percentage ratio is 1.5%-2.5%'s
Described nertralizer and to account for liquid quality percentage ratio in drum unit be the sodium formate of 1%-2%, rotates 30 minutes
After add account for drum unit in liquid quality percentage ratio be the sodium bicarbonate of 1%-2%, account for liquid matter in drum unit
Amount percentage ratio is the bacterial enzyme of 0.2%-0.5% and the mixture of activator and liquid matter in accounting for drum unit
Amount percentage ratio is the ammonium hydrogen carbonate of 0.2%-0.6%, adds and account for liquid in drum unit after being rotated further by 90 minutes
Mass percent is the acrylate copolymer of 1%-2%, rotates 40 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510115521.6A CN104711382B (en) | 2015-03-17 | 2015-03-17 | A kind of manufacture method of waterproof and breathable leather |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115521.6A CN104711382B (en) | 2015-03-17 | 2015-03-17 | A kind of manufacture method of waterproof and breathable leather |
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| Publication Number | Publication Date |
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| CN104711382A CN104711382A (en) | 2015-06-17 |
| CN104711382B true CN104711382B (en) | 2016-11-30 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105506195B (en) * | 2015-11-27 | 2017-08-01 | 峰安皮业股份有限公司 | A kind of production method of fire-retardant suede |
| CN105441601B (en) * | 2015-12-22 | 2017-12-26 | 峰安皮业股份有限公司 | A kind of production method of army and police's boots leather |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5556930A (en) * | 1992-12-12 | 1996-09-17 | Chemische Fabrik Stockhausen Gmbh | Copolymers and their use in the treatment of leather |
| US6033590A (en) * | 1996-12-20 | 2000-03-07 | Ciba Specialty Chemicals Corp. | Compositions for the preparation of leather |
| CN101153077A (en) * | 2006-09-13 | 2008-04-02 | 戈尔德施米特有限公司 | New polycarboxy functional organo siloxanyl derivatives and their use for treating leather |
| CN103060483A (en) * | 2013-01-08 | 2013-04-24 | 四川大学 | Double waterproof chromium-free tanned sheep fur and its making method |
| CN103060488A (en) * | 2012-12-26 | 2013-04-24 | 四川亭江新材料股份有限公司 | Environment-friendly type crust leather production method |
| CN104293986A (en) * | 2014-08-14 | 2015-01-21 | 兴业皮革科技股份有限公司 | Waterproof cow leather preparation technology |
-
2015
- 2015-03-17 CN CN201510115521.6A patent/CN104711382B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5556930A (en) * | 1992-12-12 | 1996-09-17 | Chemische Fabrik Stockhausen Gmbh | Copolymers and their use in the treatment of leather |
| US6033590A (en) * | 1996-12-20 | 2000-03-07 | Ciba Specialty Chemicals Corp. | Compositions for the preparation of leather |
| CN101153077A (en) * | 2006-09-13 | 2008-04-02 | 戈尔德施米特有限公司 | New polycarboxy functional organo siloxanyl derivatives and their use for treating leather |
| CN103060488A (en) * | 2012-12-26 | 2013-04-24 | 四川亭江新材料股份有限公司 | Environment-friendly type crust leather production method |
| CN103060483A (en) * | 2013-01-08 | 2013-04-24 | 四川大学 | Double waterproof chromium-free tanned sheep fur and its making method |
| CN104293986A (en) * | 2014-08-14 | 2015-01-21 | 兴业皮革科技股份有限公司 | Waterproof cow leather preparation technology |
Non-Patent Citations (2)
| Title |
|---|
| TJ-R104 多金属复鞣剂;四川亭江新材料股份有限公司;《TJ-R104 多金属复鞣剂》;20140418;全文 * |
| Trumpler.TRUPOTAN®NS neutralisation syntan.《TRUPOTAN®NS Datasheet》.2013, * |
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