CN109609707A - The preparation method of reflective leather - Google Patents
The preparation method of reflective leather Download PDFInfo
- Publication number
- CN109609707A CN109609707A CN201910101088.9A CN201910101088A CN109609707A CN 109609707 A CN109609707 A CN 109609707A CN 201910101088 A CN201910101088 A CN 201910101088A CN 109609707 A CN109609707 A CN 109609707A
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- rotary drum
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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
- 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
-
- 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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- 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
- C14C13/00—Manufacture of special kinds or leather, e.g. vellum
-
- 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
- C14C15/00—Apparatus for chemical treatment or washing of hides, skins, or leather
-
- 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
- C14C3/08—Chemical tanning by organic agents
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Coloring (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses a kind of preparation methods of reflective leather, belong to leather technology field.The preparation method of reflective leather of the invention, include the following steps: to put into skin base in rotary drum, successively after return water, retanning put-down, neutralization, pre-add ester, dyeing plus ester, fixation, product surface processing and secondary treatment, obtain reflective leather, wherein, the secondary treatment includes the following steps: secondary return water, secondary plus ester, secondary dyeing, secondary fixation, drying and falls soft.Reflective leather velvet produced by the present invention is strong, pliability is high.
Description
Technical field
The invention belongs to leather technology fields, and in particular to a kind of reflective leather preparation method.
Background technique
With the development of society, people's lives level is higher and higher, carry-on articles are not required nothing more than with quality height, is also required
With certain aesthetic feeling.And the advantages that leather and fur products is strong with its durability, long service life, is by the favor of people.However, passing
The leather and fur products of system is all to pursue its intensity, lines characteristic and its waterproof performance, other performances of few pairs of leather and fur products into
Row innovation, it is difficult to have a kind of leather and fur products that can attract consumer quickly.
Accordingly, it is desirable to provide the reflective leather that a kind of velvet is strong, pliability is high.
Summary of the invention
The reflective leather that it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of velvets is strong, pliability is high.
The present invention adopts the following technical scheme:
The preparation method of reflective leather, includes the following steps:
Skin base is put into rotary drum, successively by return water, retanning put-down, neutralization, pre-add ester, dyeing plus ester, fixation, production
After product surface treatment and secondary treatment, reflective leather is obtained, wherein the secondary treatment includes the following steps: secondary return water, two
It is secondary to add ester, secondary dyeing, secondary fixation, drying and fall soft；
The pre-add ester process is specific as follows: according to the skin base according to mass percent meter, by 1~3%EG60 and 1~
4% dodecylphosphoric acid monoesters is put into rotary drum, and rotary drum runs 30~40min；
The dyeing course is specific as follows: according to the skin base according to mass percent meter, by 2~4%UR, 2~4% dispersions
In agent, 1~3%XAR and 1~3% ammonium hydroxide investment rotary drum, then dyestuff is added in rotary drum, rotary drum runs 60~70min.
Further, the return water process is specific as follows: according to the skin base according to mass percent meter, by 200~230%
In 40~50 DEG C of water, 0.4~0.6%OC and 0.5~0.7% rewetting agent investment rotary drum, after rotary drum runs 60~70min, by 1~
3% sulphur ammonium is put into rotary drum, after rotary drum runs 90~100min, by 0.7~1.0% phosphoglyceride, 0.1~0.4% polyoxy
Change ethylene, 1~3% macerating enzyme, 0.6~0.8% oxalic acid and 0.4~0.7% formic acid and puts into 60~70min of rotary drum operation in rotary drum
Afterwards, liquid in rotary drum is discharged, then plus after water carries out 5~10min of washing, is drained.
Further, the retanning put-down process is specific as follows, according to the skin base according to mass percent meter, by 100~
110% water and 0.3~0.5% formic acid investment rotary drum in, rotary drum run 30~40min after, in rotary drum the pH value of liquid be 2.8~
3.2, then by 1.5~2.0%FM, 120 rotary drum, after rotary drum runs 30~40min, 4~6% chromium powders are put into rotary drum,
After rotary drum runs 90~100min, the sodium formate of 80~90% water and 1~3% is put into rotary drum, rotary drum operation 30~
After 40min, 0.5~0.7% sodium bicarbonate is put into rotary drum, after rotary drum runs 30~40min, it is small to put into 0.5~0.7% again
Soda, rotary drum run 30~40min after, in rotary drum liquid pH value be 4.0~4.5, then liquid in rotary drum is discharged, then plus
Water carries out 5~10min of washing, and then water is discharged.
Further, the N-process is specific as follows: according to the skin base according to mass percent meter, by 120~130%
Water, 2~3% sodium formates and 2~3%NA investment rotary drum in, rotary drum run 40~50min after, by 1~3% sodium bicarbonate, 0.5~
In 0.7% sodium sulfite and 1~3% dodium thiosulfate investment rotary drum, after rotary drum runs 120~130min, liquid pH value is in rotary drum
5.8~6.0, then the liquid in rotary drum is discharged, and add 5~10min of water washing, then water is discharged.
Further, the laking process is specific as follows: according to the skin base according to mass percent meter, by 100~110%
40~50 DEG C of water are added in rotary drum, and after rotary drum runs 5~10min, formic acid is put into rotary drum, puts into 0.5~0.8% every time
Amount, each rotary drum runing time is followed successively by 10~15min, 10~15min, 10~15min and 15~20min, then by rotary drum
Interior water discharge, and add water washing, then water is discharged, the skin base after taking out fixation treatment.
Further, the product surface processing includes according to pasting board, drying, beats soft mill skin, wherein when the drying
Temperature be 65~75 DEG C, humidity is 10~12%, uses No. 180 coarse sandpapers to be handled when the mill skin.
Further, in the dual-spectrum process, the secondary return water process is specific as follows: according to the skin base according to matter
Percentages are measured, by 300~320% water and 0.8~1.2% sodium formate investment rotary drum, rotary drum will turn after running 25~30min
Liquid discharge, then plus after 5~10min of water washing water is discharged in drum.
Further, described plus ester process is specific as follows: according to the skin base according to mass percent meter, by 50~60%50
In~55 DEG C of water investment rotary drums, after rotary drum runs 50~60min, by 3~5EG60,2~3%AC, 1~2%YY707,0.3~
In 0.6%AK and 0.1~0.3% mould inhibitor investment rotary drum, rotary drum runs 55~65min；
The secondary plus ester process is specific as follows: according to the skin base according to mass percent meter, by 120~130%45~
In 50 DEG C of water, 2~5%AC, 2~5%YY 707,0.8~1.2%AK and 0.1~0.3% mould inhibitor investment rotary drum, rotary drum fortune
40~50min of row.
Further, the secondary dyeing course is specific as follows: dyestuff being added in rotary drum, rotary drum runs 20~30min.
Further, the secondary laking process is specific as follows: according to the skin base according to mass percent meter, by 200~
220% water is put into rotary drum, and after rotary drum runs 20~30min, 0.5~0.8% formic acid is added in rotary drum, rotary drum operation 10
After~15min, 0.7~1.1% formic acid is added in rotary drum, after rotary drum runs 15~20min, liquid in rotary drum is discharged,
Then liquid in rotary drum is discharged by 150~170% water and 1.5~2.0%AS after rotary drum runs 20~30min, then will
Skin base in rotary drum takes out, be then dried machine fall it is soft.
Compared with the prior art, the present invention has the following beneficial effects:
The first, reflective leather preparation method of the invention is used in conjunction with during return water by macerating enzyme and oxalic acid,
So that skin base fiber becomes soft, and the polyethylene glycol oxide with dispersing agent is made to return water by the phosphoglyceride as emulsifier
Raw material in the process is dispersed, and is made it sufficiently and skin base fiber-reactive, is effectively removed skin base surface impurity；
The second, during retanning, the feel of skin base is improved using FM, and skin base can be improved and falling falling in soft process
The line uniformity, meanwhile, the change of skin base surface can be effectively prevented in the retanning agent FM120 of use, and improves the degree of packing of skin base；
Third, during pre-add ester, be added to EG60 with excellent light resistance and with excellent antistatic property
Dodecylphosphoric acid monoesters be used in mixed way jointly, work together, EG60 also has very strong permeability, the dyeing after can cooperating
Process, its color can also be improved while effectively improving color fastness by improving permeability of the dyestuff on skin base fiber；
4th, preparation method of the invention is using secondary plus ester, secondary dyeing and secondary fixation treatment, wherein secondary to add
During ester, by having the use of strong infiltrative anion fat A C and YY707, grease can be improved on skin base fiber
Permeability, while having driven the permeance property of AK and mould inhibitor, AK can be mentioned while not influencing the skin base grain degree of packing
Its high pliability has very strong reflecting effect to improve the glossiness of leather and fur products.
Specific embodiment
Raw material of the present invention is commercially available product, wherein；
UR is the Bath pellet UR of BASF China；；
Dispersing agent is the tower nurse M of BASF China；
XAR is the Bath pellet XAR of BASF China；
707 be the SYNTHOL YY 707 purchased from Shi Mite (Nanjing) leather chemicals Co., Ltd；
AK is the POLYOL AK purchased from Shi Mite (Nanjing) leather chemicals Co., Ltd；
Mould inhibitor is the mould inhibitor TJ-A2233 purchased from Sichuan Ting Jiang new material limited liability company；
AC is the SYNTHOL AC purchased from Shi Mite (Nanjing) leather chemicals Co., Ltd；
FM is the SYNTHOL FM 120 purchased from Shi Mite (Nanjing) leather chemicals Co., Ltd；
NA is the tower nurse NA of the Bath pellet of BASF China；
EG60 is the SULPHIROL EG 60 purchased from Shi Mite (Nanjing) leather chemicals Co., Ltd；
Macerating enzyme is Tang Pule chemical dyestuff (Jiaxing) Co., Ltd TRUPOZYM CL；
OC is the You Sha nation OC purchased from BASF China；
Rewetting agent is the You Sha nation W purchased from BASF China；
AS is the Ba Xin pellet AS purchased from BASF China.
Embodiment 1
The preparation method of reflective leather, includes the following steps:
Skin base is put into rotary drum, successively by return water, retanning put-down, neutralization, pre-add ester, dyeing plus ester fixation, product
After surface treatment and secondary treatment, reflective leather is obtained, wherein the secondary treatment includes the following steps: secondary return water, secondary
Add ester, secondary dyeing, secondary fixation, drying and falls soft.
The return water process is specific as follows: according to the skin base according to mass percent meter, by 200%40 DEG C of water, 0.4%OC
In 0.5% rewetting agent investment rotary drum, after rotary drum runs 60min, 1% sulphur ammonium is put into rotary drum, after rotary drum runs 90min,
0.7% phosphoglyceride, 0.1% polyethylene glycol oxide, 1% macerating enzyme, 0.6% oxalic acid and 0.4% formic acid are put into rotary drum and turned
After drum operation 60min, liquid in rotary drum is discharged, then plus after water carries out washing 5min, is drained.
The retanning put-down process is specific as follows, according to the skin base according to mass percent meter, by 100% water and 0.3%
Formic acid is put into rotary drum, and after rotary drum runs 30min, the pH value of liquid is 2.8 in rotary drum, then by 1.5%FM120 rotary drum,
After rotary drum runs 30min, 4% chromium powder is put into rotary drum, after rotary drum runs 90min, the sodium formate of 80% water and 1% is thrown
Enter in rotary drum, after rotary drum runs 30min, 0.5% sodium bicarbonate is put into rotary drum, after rotary drum runs 30min, is put into again
Then plus water 0.5% sodium bicarbonate, after rotary drum runs 30min, liquid pH value is 4.0 in rotary drum, then liquid in rotary drum is discharged,
Washing 5min is carried out, then water is discharged.
The N-process is specific as follows: according to the skin base according to mass percent meter, by 120% water, 2% sodium formate and
2%NA is put into rotary drum, and after rotary drum runs 40min, 1% sodium bicarbonate, 0.5% sodium sulfite and 1% dodium thiosulfate are put into rotary drum
Interior, after rotary drum runs 120min, liquid pH value is 5.8 in rotary drum, then the liquid in rotary drum is discharged, and add water washing
Then 5min water is discharged.
The pre-add ester process is specific as follows: according to the skin base according to mass percent meter, by 1%EG60 and 1% 12
Alkyl phosphate monoester is put into rotary drum, and rotary drum runs 30min.
The dyeing course is specific as follows: according to the skin base according to mass percent meter, by 2%UR, 2% dispersing agent, 1%
In XAR and 1% ammonium hydroxide investment rotary drum, then dyestuff is added in rotary drum, rotary drum runs 60min.
Described plus ester process is specific as follows: according to the skin base according to mass percent meter, 50%50 DEG C of water being put into rotary drum
It is interior, after rotary drum runs 50min, by 3EG60,2%AC, 1%YY 707,0.3%AK and 0.1% mould inhibitor investment rotary drum, turn
Drum operation 55min.
The laking process is specific as follows: according to the skin base according to mass percent meter, rotary drum is added in 100%40 DEG C of water
It is interior, after rotary drum runs 5min, formic acid is put into rotary drum, the amount of investment 0.5%, each rotary drum runing time are followed successively by every time
Then 10min, 10min, 10min and 15min the water in rotary drum are discharged, and add water washing, and then water is discharged, and take out solid
Color treated skin base.
Product surface processing includes according to pasting board, drying, beats soft mill skin, wherein the temperature when drying is
65 DEG C, humidity 10% is handled using No. 180 coarse sandpapers when the mill skin.
In the dual-spectrum process, the secondary return water process is specific as follows: according to the skin base according to mass percent
Then plus water meter liquid in rotary drum is discharged in 300% water and 0.8% sodium formate investment rotary drum after rotary drum operation 25min,
Water is discharged after washing 5min.
Described secondary plus ester process is specific as follows: according to the skin base according to mass percent meter, by 120%45 DEG C of water, 2%
In AC, 2%YY 707,0.8%AK and 0.1% mould inhibitor investment rotary drum, rotary drum runs 40min.
The secondary dyeing course is specific as follows: dyestuff being added in rotary drum, rotary drum runs 20min.
The secondary laking process is specific as follows: according to the skin base according to mass percent meter, 200% water being put into rotary drum
It is interior, after rotary drum runs 20min, 0.5% formic acid is added in rotary drum, after rotary drum runs 10min, 0.7% formic acid is added
In rotary drum, after rotary drum runs 15min, liquid in rotary drum is discharged, then by 150% water and 1.5%AS, rotary drum runs 20min
Afterwards, liquid in rotary drum is discharged, then by rotary drum skin base take out, be then dried machine fall it is soft.
Embodiment 2
The preparation method of reflective leather, includes the following steps:
Skin base is put into rotary drum, successively by return water, retanning put-down, neutralization, pre-add ester, dyeing plus ester fixation, product
After surface treatment and secondary treatment, reflective leather is obtained, wherein the secondary treatment includes the following steps: secondary return water, secondary
Add ester, secondary dyeing, secondary fixation, drying and falls soft.
The return water process is specific as follows: according to the skin base according to mass percent meter, by 210%42 DEG C of water, 0.5%OC
In 0.6% rewetting agent investment rotary drum, after rotary drum runs 62min, 2% sulphur ammonium is put into rotary drum, after rotary drum runs 92min,
0.8% phosphoglyceride, 0.2% polyethylene glycol oxide, 2% macerating enzyme, 0.7% oxalic acid and 0.5% formic acid are put into rotary drum and turned
After drum operation 62min, liquid in rotary drum is discharged, then plus after water carries out washing 6min, is drained.
The retanning put-down process is specific as follows, according to the skin base according to mass percent meter, by 102% water and 0.4%
Formic acid is put into rotary drum, and after rotary drum runs 32min, the pH value of liquid is 2.9 in rotary drum, then by 1.6%FM120 rotary drum,
After rotary drum runs 32min, 5% chromium powder is put into rotary drum, after rotary drum runs 92min, the sodium formate of 82% water and 2% is thrown
Enter in rotary drum, after rotary drum runs 32min, 0.6% sodium bicarbonate is put into rotary drum, after rotary drum runs 32min, is put into again
Then plus water 0.6% sodium bicarbonate, after rotary drum runs 32min, liquid pH value is 4.2 in rotary drum, then liquid in rotary drum is discharged,
Washing 6min is carried out, then water is discharged.
The N-process is specific as follows: according to the skin base according to mass percent meter, by 122% water, 3% sodium formate and
3%NA is put into rotary drum, and after rotary drum runs 42min, 2% sodium bicarbonate, 0.6% sodium sulfite and 2% dodium thiosulfate are put into rotary drum
Interior, after rotary drum runs 122min, liquid pH value is 5.9 in rotary drum, then the liquid in rotary drum is discharged, and add water washing
Then 6min water is discharged.
The pre-add ester process is specific as follows: according to the skin base according to mass percent meter, by 2%EG60 and 2% 12
Alkyl phosphate monoester is put into rotary drum, and rotary drum runs 32min.
The dyeing course is specific as follows: according to the skin base according to mass percent meter, by 3%UR, 3% dispersing agent, 2%
In XAR and 2% ammonium hydroxide investment rotary drum, then dyestuff is added in rotary drum, rotary drum runs 62min.
Described plus ester process is specific as follows: according to the skin base according to mass percent meter, 52%52 DEG C of water being put into rotary drum
It is interior, after rotary drum runs 52min, by 4EG60,3%AC, 2%YY 707,0.4%AK and 0.2% mould inhibitor investment rotary drum, turn
Drum operation 58min.
The laking process is specific as follows: according to the skin base according to mass percent meter, rotary drum is added in 102%42 DEG C of water
It is interior, after rotary drum runs 6min, formic acid is put into rotary drum, the amount of investment 0.6%, each rotary drum runing time are followed successively by every time
Then 12min, 12min, 12min and 16min the water in rotary drum are discharged, and add water washing, and then water is discharged, and take out solid
Color treated skin base.
Product surface processing includes according to pasting board, drying, beats soft mill skin, wherein the temperature when drying is
68 DEG C, humidity 11% is handled using No. 180 coarse sandpapers when the mill skin.
In the dual-spectrum process, the secondary return water process is specific as follows: according to the skin base according to mass percent
Then plus water meter liquid in rotary drum is discharged in 305% water and 0.9% sodium formate investment rotary drum after rotary drum operation 26min,
Water is discharged after washing 6min.
Described secondary plus ester process is specific as follows: according to the skin base according to mass percent meter, by 122%46 DEG C of water, 3%
In AC, 3%YY 707,0.9%AK and 0.2% mould inhibitor investment rotary drum, rotary drum runs 42min.
The secondary dyeing course is specific as follows: dyestuff being added in rotary drum, rotary drum runs 22min.
The secondary laking process is specific as follows: according to the skin base according to mass percent meter, 205% water being put into rotary drum
It is interior, after rotary drum runs 22min, 0.6% formic acid is added in rotary drum, after rotary drum runs 12min, 0.8% formic acid is added
In rotary drum, after rotary drum runs 16min, liquid in rotary drum is discharged, then by 155% water and 1.6%AS, rotary drum runs 22min
Afterwards, liquid in rotary drum is discharged, then by rotary drum skin base take out, be then dried machine fall it is soft.
Embodiment 3
The preparation method of reflective leather, includes the following steps:
Skin base is put into rotary drum, successively by return water, retanning put-down, neutralization, pre-add ester, dyeing plus ester fixation, product
After surface treatment and secondary treatment, reflective leather is obtained, wherein the secondary treatment includes the following steps: secondary return water, secondary
Add ester, secondary dyeing, secondary fixation, drying and falls soft.
The return water process is specific as follows: according to the skin base according to mass percent meter, by 220%48 DEG C of water, 0.6%OC
In 0.7% rewetting agent investment rotary drum, after rotary drum runs 68min, 2% sulphur ammonium is put into rotary drum, after rotary drum runs 98min,
0.9% phosphoglyceride, 0.3% polyethylene glycol oxide, 3% macerating enzyme, 0.8% oxalic acid and 0.6% formic acid are put into rotary drum and turned
After drum operation 68min, liquid in rotary drum is discharged, then plus after water carries out washing 9min, is drained.
The retanning put-down process is specific as follows, according to the skin base according to mass percent meter, by 108% water and 0.5%
Formic acid is put into rotary drum, and after rotary drum runs 38min, the pH value of liquid is 3.1 in rotary drum, then by 1.8%FM120 rotary drum,
After rotary drum runs 38min, 6% chromium powder is put into rotary drum, after rotary drum runs 98min, the sodium formate of 88% water and 3% is thrown
Enter in rotary drum, after rotary drum runs 38min, 0.7% sodium bicarbonate is put into rotary drum, after rotary drum runs 38min, is put into again
Then plus water 0.7% sodium bicarbonate, after rotary drum runs 38min, liquid pH value is 4.4 in rotary drum, then liquid in rotary drum is discharged,
Washing 8min is carried out, then water is discharged.
The N-process is specific as follows: according to the skin base according to mass percent meter, by 128% water, 3% sodium formate and
3%NA is put into rotary drum, and after rotary drum runs 48min, 3% sodium bicarbonate, 0.7% sodium sulfite and 3% dodium thiosulfate are put into rotary drum
Interior, after rotary drum runs 128min, liquid pH value is 6.1 in rotary drum, then the liquid in rotary drum is discharged, and add water washing
Then 8min water is discharged.
The pre-add ester process is specific as follows: according to the skin base according to mass percent meter, by 3%EG60 and 3% 12
Alkyl phosphate monoester is put into rotary drum, and rotary drum runs 30~40min.
The dyeing course is specific as follows: according to the skin base according to mass percent meter, by 4%UR, 3% dispersing agent, 3%
In XAR and 3% ammonium hydroxide investment rotary drum, then dyestuff is added in rotary drum, rotary drum runs 68min.
Described plus ester process is specific as follows: according to the skin base according to mass percent meter, 58%54 DEG C of water being put into rotary drum
It is interior, after rotary drum runs 58min, by 5EG60,3%AC, 2%YY 707,0.5%AK and 0.3% mould inhibitor investment rotary drum, turn
Drum operation 62min.
The laking process is specific as follows: according to the skin base according to mass percent meter, rotary drum is added in 108%48 DEG C of water
It is interior, after rotary drum runs 8min, formic acid is put into rotary drum, the amount of investment 0.7%, each rotary drum runing time are followed successively by every time
Then 14min, 14min, 14min and 18min the water in rotary drum are discharged, and add water washing, and then water is discharged, and take out solid
Color treated skin base.
Product surface processing includes according to pasting board, drying, beats soft mill skin, wherein the temperature when drying is
72 DEG C, humidity 12% is handled using No. 180 coarse sandpapers when the mill skin.
In the dual-spectrum process, the secondary return water process is specific as follows: according to the skin base according to mass percent
Then plus water meter liquid in rotary drum is discharged in 315% water and 1.1% sodium formate investment rotary drum after rotary drum operation 28min,
Water is discharged after washing 8min.
Described secondary plus ester process is specific as follows: according to the skin base according to mass percent meter, by 128%48 DEG C of water, 4%
In AC, 4%YY 707,1.1%AK and 0.3% mould inhibitor investment rotary drum, rotary drum runs 48min.
The secondary dyeing course is specific as follows: dyestuff being added in rotary drum, rotary drum runs 28min.
The secondary laking process is specific as follows: according to the skin base according to mass percent meter, 215% water being put into rotary drum
It is interior, after rotary drum runs 28min, 0.7% formic acid is added in rotary drum, after rotary drum runs 14min, 1.0% formic acid is added
In rotary drum, after rotary drum runs 18min, liquid in rotary drum is discharged, then by 165% water and 1.8%AS, rotary drum runs 28min
Afterwards, liquid in rotary drum is discharged, then by rotary drum skin base take out, be then dried machine fall it is soft.
Embodiment 4
The preparation method of reflective leather, includes the following steps:
Skin base is put into rotary drum, successively by return water, retanning put-down, neutralization, pre-add ester, dyeing plus ester fixation, product
After surface treatment and secondary treatment, reflective leather is obtained, wherein the secondary treatment includes the following steps: secondary return water, secondary
Add ester, secondary dyeing, secondary fixation, drying and falls soft.
The return water process is specific as follows: according to the skin base according to mass percent meter, by 230%50 DEG C of water, 0.6%OC
In 0.7% rewetting agent investment rotary drum, after rotary drum runs 70min, 3% sulphur ammonium is put into rotary drum, after rotary drum runs 100min,
1.0% phosphoglyceride, 0.4% polyethylene glycol oxide, 3% macerating enzyme, 0.8% oxalic acid and 0.7% formic acid are put into rotary drum and turned
After drum operation 70min, liquid in rotary drum is discharged, then plus after water carries out washing 10min, is drained.
The retanning put-down process is specific as follows, according to the skin base according to mass percent meter, by 110% water and 0.5%
Formic acid is put into rotary drum, and after rotary drum runs 40min, the pH value of liquid is 3.2 in rotary drum, then by 2.0%FM120 rotary drum,
After rotary drum runs 40min, 6% chromium powder is put into rotary drum, after rotary drum runs 100min, by 90% water and 3% sodium formate
It puts into rotary drum, after rotary drum runs 40min, 0.7% sodium bicarbonate is put into rotary drum, after rotary drum runs 40min, is put into again
Then plus water 0.7% sodium bicarbonate, after rotary drum runs 40min, liquid pH value is 4.5 in rotary drum, then liquid in rotary drum is discharged,
Washing 10min is carried out, then water is discharged.
The N-process is specific as follows: according to the skin base according to mass percent meter, by 130% water, 3% sodium formate and
3%NA is put into rotary drum, and after rotary drum runs 50min, 3% sodium bicarbonate, 0.7% sodium sulfite and 3% dodium thiosulfate are put into rotary drum
Interior, after rotary drum runs 130min, liquid pH value is 6.0 in rotary drum, then the liquid in rotary drum is discharged, and add water washing
Then 10min water is discharged.
The pre-add ester process is specific as follows: according to the skin base according to mass percent meter, by 3%EG60 and 4% 12
Alkyl phosphate monoester is put into rotary drum, and rotary drum runs 40min.
The dyeing course is specific as follows: according to the skin base according to mass percent meter, by 4%UR, 4% dispersing agent, 3%
In XAR and 3% ammonium hydroxide investment rotary drum, then dyestuff is added in rotary drum, rotary drum runs 70min.
Described plus ester process is specific as follows: according to the skin base according to mass percent meter, 60%55 DEG C of water being put into rotary drum
It is interior, after rotary drum runs 60min, 5%EG60,3%AC, 2%YY 707,0.6%AK and 0.3% mould inhibitor are put into rotary drum,
Rotary drum runs 65min.
The laking process is specific as follows: according to the skin base according to mass percent meter, rotary drum is added in 110%50 DEG C of water
It is interior, after rotary drum runs 10min, formic acid is put into rotary drum, the amount of investment 0.8%, each rotary drum runing time are followed successively by every time
Then 15min, 15min, 15min and 20min the water in rotary drum are discharged, and add water washing, and then water is discharged, and take out solid
Color treated skin base.
Product surface processing includes according to pasting board, drying, beats soft mill skin, wherein the temperature when drying is
75 DEG C, humidity 12% is handled using No. 180 coarse sandpapers when the mill skin.
In the dual-spectrum process, the secondary return water process is specific as follows: according to the skin base according to mass percent
Then plus water meter liquid in rotary drum is discharged in 320% water and 1.2% sodium formate investment rotary drum after rotary drum operation 30min,
Water is discharged after washing 10min.
Described secondary plus ester process is specific as follows: according to the skin base according to mass percent meter, by 130%50 DEG C of water, 5%
In AC, 5%YY 707,1.2%AK and 0.3% mould inhibitor investment rotary drum, rotary drum runs 50min.
The secondary dyeing course is specific as follows: dyestuff being added in rotary drum, rotary drum runs 30min.
The secondary laking process is specific as follows: according to the skin base according to mass percent meter, 220% water being put into rotary drum
It is interior, after rotary drum runs 30min, 0.8% formic acid is added in rotary drum, after rotary drum runs 15min, 1.1% formic acid is added
In rotary drum, after rotary drum runs 20min, liquid in rotary drum is discharged, then by 170% water and 2.0%AS, rotary drum runs 30min
Afterwards, liquid in rotary drum is discharged, then by rotary drum skin base take out, be then dried machine fall it is soft.
Reference examples 1
The preparation method of reflective leather, includes the following steps:
Skin base is put into rotary drum, successively by return water, retanning put-down, neutralization, pre-add ester, dyeing plus ester fixation, product
After surface treatment and secondary treatment, reflective leather is obtained, wherein the secondary treatment includes the following steps: secondary return water, secondary
Add ester, secondary dyeing, secondary fixation, drying and falls soft.
The return water process is specific as follows: according to the skin base according to mass percent meter, by 230%50 DEG C of water, 0.6%OC
In 0.7% rewetting agent investment rotary drum, after rotary drum runs 70min, 3% sulphur ammonium is put into rotary drum, after rotary drum runs 100min,
After rotary drum operation 70min in 3% macerating enzyme, 0.8% oxalic acid and 0.7% formic acid investment rotary drum, liquid in rotary drum is discharged, so
Afterwards plus after water carries out washing 10min, it is drained.
The retanning put-down process is specific as follows, according to the skin base according to mass percent meter, by 110% water and 0.5%
Formic acid is put into rotary drum, and after rotary drum runs 40min, the pH value of liquid is 3.2 in rotary drum, then by 2.0%FM120 rotary drum,
After rotary drum runs 40min, 6% chromium powder is put into rotary drum, after rotary drum runs 100min, by 90% water and 3% sodium formate
It puts into rotary drum, after rotary drum runs 40min, 0.7% sodium bicarbonate is put into rotary drum, after rotary drum runs 40min, is put into again
Then plus water 0.7% sodium bicarbonate, after rotary drum runs 40min, liquid pH value is 4.5 in rotary drum, then liquid in rotary drum is discharged,
Washing 10min is carried out, then water is discharged.
The N-process is specific as follows: according to the skin base according to mass percent meter, by 130% water, 3% sodium formate and
3%NA is put into rotary drum, and after rotary drum runs 50min, 3% sodium bicarbonate, 0.7% sodium sulfite and 3% dodium thiosulfate are put into rotary drum
Interior, after rotary drum runs 130min, liquid pH value is 6.0 in rotary drum, then the liquid in rotary drum is discharged, and add water washing
Then 10min water is discharged.
The dyeing course is specific as follows: according to the skin base according to mass percent meter, by 4%UR, 4% dispersing agent, 3%
In XAR and 3% ammonium hydroxide investment rotary drum, then dyestuff is added in rotary drum, rotary drum runs 70min.
Described plus ester process is specific as follows: according to the skin base according to mass percent meter, 60%55 DEG C of water being put into rotary drum
It is interior, after rotary drum runs 60min, 5%EG60,3%AC, 2%YY 707,0.6%AK and 0.3% mould inhibitor are put into rotary drum,
Rotary drum runs 65min.
The laking process is specific as follows: according to the skin base according to mass percent meter, rotary drum is added in 110%50 DEG C of water
It is interior, after rotary drum runs 10min, formic acid is put into rotary drum, the amount of investment 0.8%, each rotary drum runing time are followed successively by every time
Then 15min, 15min, 15min and 20min the water in rotary drum are discharged, and add water washing, and then water is discharged, and take out solid
Color treated skin base.
Product surface processing includes according to pasting board, drying, beats soft mill skin, wherein the temperature when drying is
75 DEG C, humidity 12% is handled using No. 180 coarse sandpapers when the mill skin.
In the dual-spectrum process, the secondary return water process is specific as follows: according to the skin base according to mass percent
Then plus water meter liquid in rotary drum is discharged in 320% water and 1.2% sodium formate investment rotary drum after rotary drum operation 30min,
Water is discharged after washing 10min.
Described secondary plus ester process is specific as follows: according to the skin base according to mass percent meter, by 130%50 DEG C of water, 5%
In AC, 5%YY 707,1.2%AK and 0.3% mould inhibitor investment rotary drum, rotary drum runs 50min.
The secondary dyeing course is specific as follows: dyestuff being added in rotary drum, rotary drum runs 30min.
The secondary laking process is specific as follows: according to the skin base according to mass percent meter, 220% water being put into rotary drum
It is interior, after rotary drum runs 30min, 0.8% formic acid is added in rotary drum, after rotary drum runs 15min, 1.1% formic acid is added
In rotary drum, after rotary drum runs 20min, liquid in rotary drum is discharged, then by 170% water and 2.0%AS, rotary drum runs 30min
Afterwards, liquid in rotary drum is discharged, then by rotary drum skin base take out, be then dried machine fall it is soft.
Reference examples 2
The preparation method of reflective leather, includes the following steps:
Skin base is put into rotary drum, successively by return water, retanning put-down, neutralization, pre-add ester, dyeing plus ester fixation, product
After surface treatment and secondary treatment, reflective leather is obtained, wherein the secondary treatment includes the following steps: secondary return water, secondary
Add ester, secondary dyeing, secondary fixation, drying and falls soft.
The return water process is specific as follows: according to the skin base according to mass percent meter, by 230%50 DEG C of water, 0.6%OC
In 0.7% rewetting agent investment rotary drum, after rotary drum runs 70min, 3% sulphur ammonium is put into rotary drum, after rotary drum runs 100min,
1.0% phosphoglyceride, 0.4% polyethylene glycol oxide, 3% macerating enzyme, 0.8% oxalic acid and 0.7% formic acid are put into rotary drum and turned
After drum operation 70min, liquid in rotary drum is discharged, then plus after water carries out washing 10min, is drained.
The retanning put-down process is specific as follows, according to the skin base according to mass percent meter, by 110% water and 0.5%
Formic acid is put into rotary drum, and after rotary drum runs 40min, the pH value of liquid is 3.2 in rotary drum, then by 2.0%FM120 rotary drum,
After rotary drum runs 40min, 6% chromium powder is put into rotary drum, after rotary drum runs 100min, by 90% water and 3% sodium formate
It puts into rotary drum, after rotary drum runs 40min, 0.7% sodium bicarbonate is put into rotary drum, after rotary drum runs 40min, is put into again
Then plus water 0.7% sodium bicarbonate, after rotary drum runs 40min, liquid pH value is 4.5 in rotary drum, then liquid in rotary drum is discharged,
Washing 10min is carried out, then water is discharged.
The N-process is specific as follows: according to the skin base according to mass percent meter, by 130% water, 3% sodium formate and
3%NA is put into rotary drum, and after rotary drum runs 50min, 3% sodium bicarbonate, 0.7% sodium sulfite and 3% dodium thiosulfate are put into rotary drum
Interior, after rotary drum runs 130min, liquid pH value is 6.0 in rotary drum, then the liquid in rotary drum is discharged, and add water washing
Then 10min water is discharged.
The dyeing course is specific as follows: according to the skin base according to mass percent meter, by 4%UR, 4% dispersing agent, 3%
In XAR and 3% ammonium hydroxide investment rotary drum, then dyestuff is added in rotary drum, rotary drum runs 70min.
Described plus ester process is specific as follows: according to the skin base according to mass percent meter, 60%55 DEG C of water being put into rotary drum
It is interior, after rotary drum runs 60min, by 5EG60,3%AC, 2%YY 707,0.6%AK and 0.3% mould inhibitor investment rotary drum, turn
Drum operation 65min.
The laking process is specific as follows: according to the skin base according to mass percent meter, rotary drum is added in 110%50 DEG C of water
It is interior, after rotary drum runs 10min, formic acid is put into rotary drum, the amount of investment 0.8%, each rotary drum runing time are followed successively by every time
Then 15min, 15min, 15min and 20min the water in rotary drum are discharged, and add water washing, and then water is discharged, and take out solid
Color treated skin base.
Product surface processing includes according to pasting board, drying, beats soft mill skin, wherein the temperature when drying is
75 DEG C, humidity 12% is handled using No. 180 coarse sandpapers when the mill skin, and machine then is dried in the taking-up of skin base
It falls soft, obtains reflective leather.
Reflective leather made from the embodiment of the present invention 1~4 and reference examples 1~2 is detected, in which:
One, spill resistant performance detection step:
Spill resistant test is carried out by degree of getting wet analyzer GT-7033N；
Points for attention:
1.1,250mL water must spray in 25~30s；
1.2, sample mount is in horizontal plane angle at 45 °；
1.3, nozzle lower surface center and specimen surface center keep 152.4mm spacing；
1.4, hand is avoided to release detecting instrument in test process, in order to avoid influence experimental result.
Two, pliability test method:
It is sampled according to the sampling mode of ISO 2418-2002, the ST-300 leather softness manufactured by MSA company, Britain
Tester is tested；
Three, color fastness is tested:
Color is carried out by the manual crocking agent GT-7034-B of high special Weir detecting instrument (Qingdao) Co., Ltd manufacture
Fastness test；
Four, wear hardness is tested:
Leather mill is carried out by the omnipotent abrasiometer GT-7012-S that Yin Fei Electronic Science and Technology Co., Ltd., Shenzhen manufactures
Consumption test；
Five, tensile test:
Tensile test is carried out by the measurer for pulling force GT-7010-EP that Shandong Zi Quan instrument sales center is sold.
Six, color inhibition is tested:
Color inhibition test is carried out by non-yellowing test machine.
It is resulting to the embodiment of the present invention 1~3 by tensile testing machine, non-yellowing test machine and omnipotent abrasiometer
Reflective leather is detected, testing result such as the following table 1；
Table 1: the testing result of Examples 1 to 4 and the reflective leather of reference examples 1~1:
From table 1 it follows that the reflective leather as made from preparation method of the invention has very strong tearing force intensity, reach
Lateral 173N, longitudinal 153N have been arrived, tension intensity has reached lateral 39N, longitudinal 28N, and dynamic water-proof has reached 3000+ times,
Degree of getting wet has reached 80.And the tearing force intensity transverse direction 130N of reference examples, longitudinal 121N, tension intensity transverse direction 21N, longitudinal 23N are moved
State waterproof 2500+ times, degree of getting wet 70, hence it is evident that lower than the performance of Examples 1 to 4.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. the preparation method of reflective leather, which comprises the steps of:
Skin base is put into rotary drum, successively by return water, retanning put-down, neutralization, pre-add ester, dyeing plus ester, fixation, product table
After surface treatment and secondary treatment, obtain reflective leather, wherein the secondary treatment include the following steps: secondary return water, it is secondary plus
It ester, secondary dyeing, secondary fixation, drying and falls soft；
The pre-add ester process is specific as follows: according to the skin base according to mass percent meter, by 1 ~ 3%EG60 and 1 ~ 4% dodecane
Base phosphate monoester is put into rotary drum, and rotary drum runs 30 ~ 40min；
The dyeing course is specific as follows: according to the skin base according to mass percent meter, by 2 ~ 4%UR, 2 ~ 4% dispersing agents, 1 ~ 3%
In XAR and 1 ~ 3% ammonium hydroxide investment rotary drum, then dyestuff is added in rotary drum, rotary drum runs 60 ~ 70min.
2. the preparation method of reflective leather according to claim 1, which is characterized in that the return water process is specific as follows:
According to the skin base according to mass percent meter, 200 ~ 230% 40 ~ 50 DEG C of water, 0.4 ~ 0.6% OC and 0.5 ~ 0.7% rewetting agent are thrown
Enter in rotary drum, after rotary drum runs 60 ~ 70min, 1 ~ 3% sulphur ammonium is put into rotary drum, after rotary drum runs 90 ~ 100min, by 0.7 ~
1.0% phosphoglyceride, 0.1 ~ 0.4% polyethylene glycol oxide, 1 ~ 3% macerating enzyme, 0.6 ~ 0.8% oxalic acid and 0.4 ~ 0.7% formic acid investment turn
After rotary drum runs 60 ~ 70min in drum, liquid in rotary drum is discharged, then plus after water carries out 5 ~ 10min of washing, is drained.
3. the preparation method of reflective leather according to claim 1, which is characterized in that the retanning put-down process is specifically such as
Under, according to the skin base according to mass percent meter, by 100 ~ 110% water and 0.3 ~ 0.5% formic acid investment rotary drum, rotary drum runs 30
After ~ 40min, the pH value of liquid is 2.8 ~ 3.2 in rotary drum, then by 1.5 ~ 2.0% FM, 120 rotary drum, rotary drum operation 30 ~
After 40min, 4 ~ 6% chromium powders are put into rotary drum, after rotary drum runs 90 ~ 100min, the sodium formate of 80 ~ 90% water and 1 ~ 3% is thrown
Enter in rotary drum, after rotary drum runs 30 ~ 40min, 0.5 ~ 0.7% sodium bicarbonate is put into rotary drum, after rotary drum runs 30 ~ 40min, then
0.5 ~ 0.7% sodium bicarbonate of secondary investment, after rotary drum runs 30 ~ 40min, liquid pH value is 4.0 ~ 4.5 in rotary drum, then will be in rotary drum
Liquid discharge, then plus water carries out 5 ~ 10min of washing, and then water is discharged.
4. the preparation method of reflective leather according to claim 1, which is characterized in that the N-process is specific as follows:
According to the skin base according to mass percent meter, 120 ~ 130% water, 2 ~ 3% sodium formates and 2 ~ 3% NA are put into rotary drum, rotary drum fortune
After 40 ~ 50min of row, 1 ~ 3% sodium bicarbonate, 0.5 ~ 0.7% sodium sulfite and 1 ~ 3% dodium thiosulfate are put into rotary drum, rotary drum operation 120 ~
After 130min, liquid pH value is 5.8 ~ 6.0 in rotary drum, then the liquid in rotary drum is discharged, and add 5 ~ 10min of water washing, so
Water is discharged afterwards.
5. the preparation method of reflective leather according to claim 1, which is characterized in that the laking process is specific as follows:
According to the skin base according to mass percent meter, 100 ~ 110% 40 ~ 50 DEG C of water is added in rotary drum, after rotary drum runs 5 ~ 10min,
Put into formic acid in the rotary drum, put into 0.5 ~ 0.8% amount every time, each rotary drum runing time be followed successively by 10 ~ 15min, 10 ~
Then 15min, 10 ~ 15min and 15 ~ 20min the water in rotary drum are discharged, and add water washing, and then water is discharged, and take out solid
Color treated skin base.
6. the preparation method of reflective leather according to claim 1, which is characterized in that the product surface processing includes pressing
According to pasting board, drying, beat soft mill skin, wherein the temperature when drying is 65 ~ 75 DEG C, and humidity is 10 ~ 12%, the mill skin
No. 180 coarse sandpapers of Shi Caiyong are handled.
7. the preparation method of reflective leather according to claim 1, which is characterized in that in the dual-spectrum process, institute
It is specific as follows to state secondary return water process: according to the skin base according to mass percent meter, by 300 ~ 320% water and 0.8 ~ 1.2% formic acid
Sodium is put into rotary drum, and liquid in rotary drum is discharged after running 25 ~ 30min for rotary drum, then plus after 5 ~ 10min of water washing arranges water
Out.
8. the preparation method of reflective leather according to claim 1, which is characterized in that described plus ester process is specific as follows:
According to the skin base according to mass percent meter, 50 ~ 60% 50 ~ 55 DEG C of water is put into rotary drum, it, will after rotary drum runs 50 ~ 60min
In 3 ~ 5EG60,2 ~ 3%AC, 1 ~ 2% YY 707,0.3 ~ 0.6%AK and 0.1 ~ 0.3% mould inhibitor investment rotary drum, rotary drum operation 55 ~
65min；
The secondary plus ester process is specific as follows: according to the skin base according to mass percent meter, by 120 ~ 130% 45 ~ 50 DEG C of water,
In 2 ~ 5%AC, 2 ~ 5% YY 707,0.8 ~ 1.2%AK and 0.1 ~ 0.3% mould inhibitor investment rotary drum, rotary drum runs 40 ~ 50min.
9. the preparation method of reflective leather according to claim 1, which is characterized in that the secondary dyeing course is specifically such as
Under: dyestuff is added in rotary drum, rotary drum runs 20 ~ 30min.
10. the preparation method of reflective leather according to claim 1, which is characterized in that the secondary laking process is specific
It is as follows: according to the skin base according to mass percent meter, 200 ~ 220% water are put into rotary drum, it, will after rotary drum runs 20 ~ 30min
0.5 ~ 0.8% formic acid is added in rotary drum, and after rotary drum runs 10 ~ 15min, 0.7 ~ 1.1% formic acid is added in rotary drum, rotary drum fortune
After 15 ~ 20min of row, liquid in rotary drum is discharged, then by 150 ~ 170% water and 1.5 ~ 2.0%AS, rotary drum runs 20 ~ 30min
Afterwards, liquid in rotary drum is discharged, then by rotary drum skin base take out, be then dried machine fall it is soft.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111321260A (en) * | 2020-03-31 | 2020-06-23 | 河南中牛实业有限公司 | Environment-friendly chromium-free retanning method for leather |
| CN112063778A (en) * | 2020-09-12 | 2020-12-11 | 漳州香洲皮革有限公司 | Manufacturing method for improving blackness and physical properties of black leather |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839236A (en) * | 2012-09-29 | 2012-12-26 | 桐乡市雄鹰皮草有限公司 | Dual-purpose modification process for native breed sheepskin leather |
| CN107287365A (en) * | 2017-07-31 | 2017-10-24 | 漳州香洲皮革有限公司 | The preparation technology of strong force of explosion double-layer leather |
| CN107523655A (en) * | 2017-10-25 | 2017-12-29 | 漳州香洲皮革有限公司 | A kind of production technology of color inhibition light shine double-layer fur |
-
2019
- 2019-01-31 CN CN201910101088.9A patent/CN109609707B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839236A (en) * | 2012-09-29 | 2012-12-26 | 桐乡市雄鹰皮草有限公司 | Dual-purpose modification process for native breed sheepskin leather |
| CN107287365A (en) * | 2017-07-31 | 2017-10-24 | 漳州香洲皮革有限公司 | The preparation technology of strong force of explosion double-layer leather |
| CN107523655A (en) * | 2017-10-25 | 2017-12-29 | 漳州香洲皮革有限公司 | A kind of production technology of color inhibition light shine double-layer fur |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111321260A (en) * | 2020-03-31 | 2020-06-23 | 河南中牛实业有限公司 | Environment-friendly chromium-free retanning method for leather |
| CN112063778A (en) * | 2020-09-12 | 2020-12-11 | 漳州香洲皮革有限公司 | Manufacturing method for improving blackness and physical properties of black leather |
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