CN112226547A - Processing technology for improving grade of fur leather clothing - Google Patents
Processing technology for improving grade of fur leather clothing Download PDFInfo
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- CN112226547A CN112226547A CN202011078802.6A CN202011078802A CN112226547A CN 112226547 A CN112226547 A CN 112226547A CN 202011078802 A CN202011078802 A CN 202011078802A CN 112226547 A CN112226547 A CN 112226547A
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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
- C14C3/04—Mineral 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
- C14C3/08—Chemical tanning by organic agents
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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
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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
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses a processing technology for improving the grade of fur leather clothing, which comprises the steps of water return, retanning, dyeing, greasing and the like; zirconium tanning agents and fillers are used in the retanning process. The invention effectively improves the condition that the leather boards of the fur clothes are inconsistent in color, improves the consistency of the colors of the leather boards of the fur clothes and improves the product quality by improving the retanning process; the product processed by the process has good luster, full chromaticity, compact leather plate and high finished product quality, and can meet the market and customer requirements.
Description
Technical Field
The invention relates to the technical field of leather processing, in particular to a processing technology for improving the grade of fur leather clothing.
Background
The fur clothing is made of leather, fur and other clothing leathers. Shorn sheepskin is a common clothing leather in the prior art. The cashmere is called as the fabric cut from cashmere, and the fabric is generally flat and uniform, and is subjected to antiseptic treatment, dyeing and processing into cashmere carpets, back cushions, clothes and the like.
At present, along with the continuous improvement of the living standard of people, the degree of the people to the grade problem of the cashmere products is higher and higher, and high-grade products are loved by more and more people. However, in the production process of the cashmere shearing, because the difference between the leather sheet batches is large, and the difference between the leather sheets can be further increased through the processing meeting with improper dyeing and finishing stages, the overall consistency of the processed leather sheet finished product is poor, the grade of the subsequently processed clothes is reduced, and the requirements of customers and markets cannot be met.
Disclosure of Invention
The invention aims to overcome the defects and provide a processing technology for improving the grade of the fur and leather clothing.
In order to achieve the purpose, the invention is implemented according to the following technical scheme:
a processing technology for improving the grade of fur leather clothing comprises the following steps:
s1, water return:
s1.1, putting the skin into a rotary drum, adding water, a backwater auxiliary agent and sodium carbonate, rotating for a certain time, and draining;
s1.2, adding water into the rotary drum, and draining after cleaning;
the liquid ratio in the water return process is 1: 18;
s2, retanning:
s2.1, adding water and a filler into the rotary drum and then rotating for the first time; adding a fatting agent and then carrying out secondary rotation; adding the first formic acid and then rotating for the third time; adding chromium powder and then carrying out fourth rotation; adding zirconium tanning agent and then performing fifth rotation; adding formic acid for the second time, then carrying out the sixth rotation, and draining;
s2.2, adding water into the rotary drum, and draining after cleaning;
the liquor ratio of the retanning process is 1: 18;
s3, staining:
s3.1, dyeing wool:
adding water into the rotary drum, adding a leveling agent, nitre and ammonia water, and then carrying out first rotation; adding a wool dyeing dye and then carrying out secondary rotation; adding glacial acetic acid and then rotating for the third time; adding formic acid and then carrying out fourth rotation; adding formic acid, performing fifth rotation, adjusting the pH to 3.9, and draining;
s3.2, adding water into the rotary drum, and draining after the first cleaning; adding water into the rotary drum, and draining water after secondary cleaning;
s3.3, dyeing plates:
adding water into the rotary drum, adding sodium formate and ammonia water, and rotating for the first time; adding a dyeing plate dye, performing second rotation, adding acetic acid, and performing third rotation; adding formic acid, rotating for the fourth time, and draining;
s3.4, adding water into the rotary drum, and draining after cleaning;
the liquid ratio in the dyeing process is 1: 18;
s4, fat liquoring:
s4.1, adding water into the rotary drum, adding a fatting agent, and then rotating for the first time; adding formic acid and then carrying out second rotation; adding chromium powder, rotating for the third time, and draining;
s4.2, adding water into the rotary drum, adding formic acid, cleaning and draining;
the liquid ratio in the process of fat liquoring is 1: 18;
the rotary drum in steps S1 to S4 is a tilting rotary drum.
Preferably, the process of step S1.1, the temperature is 40 ℃; the backwater auxiliary agent is a backwater auxiliary agent GC, and the addition amount is 1 g/L; the adding amount of sodium carbonate is 1 g/L; the rotation time is 90 min;
the temperature of the water added in the step S1.2 is 25 ℃, and the cleaning time is 10 min.
Preferably, in step S2.1, the filler is CLE, and the addition amount is 2 g/L; the zirconium tanning agent is zirconium tanning agent ZB-33, and the adding amount is 1 g/L.
Preferably, the temperature of the water added in step S2.1 is 40 ℃;
in the step S2.1, the fatting agents are fatting agents TIS and GLH; the adding amount of the fatting agent TIS is 0.5g/L, and the adding amount of the fatting agent GLH is 1 g/L; the adding amount of the first formic acid is 1g/L, and the adding amount of the second formic acid is 0.5 g/L; the addition amount of the chromium powder is 4 g/L;
the first rotation time is 120min, the second rotation time, the third rotation time and the sixth rotation time are all 120min, the fourth rotation time is 90min, and the fifth rotation time is 60 min;
the temperature of the water added in step S2.2 is 25 ℃, and the cleaning time is 10 min.
Preferably, the temperature of the water added in step S3.1 is 65 ℃;
in the step S3.1, the leveling agent is a leveling agent FL-1, and the addition amount is 1.5 g/L-2 g/L; the adding amount of ammonia water is 1g/L, and the adding amount of nitre is 1.5 g/L; the adding amount of the glacial acetic acid is 0.5 g/L; the addition amount of formic acid is 0.5 g/L; the concentration of the ammonia water is 10-35 percent;
in the step S3.1, the time of the first rotation, the third rotation and the fourth rotation is 20 min; the time for the second rotation and the time for the fifth rotation are both 30 min.
Preferably, after the third rotation in the step S3.1, adding a fatting agent and rotating;
the fatting agent is a fatting agent TIS and a fatting agent GLH; the addition amount of the fatliquor TIS is 0.5g/L, and the addition amount of the fatliquor GLH is 1 g/L.
Preferably, in step S3.3, the addition amount of sodium formate is 2g/L, and the addition amount of ammonia water is 1 g/L; the addition amount of acetic acid is 0.5g/L, and the addition amount of formic acid is 0.5 g/L; the concentration of the ammonia water is 10-35 percent;
in step S3.3, the time for the first rotation, the third rotation, and the fourth rotation is 30min, and the time for the second rotation is 60 min.
Preferably, after the first rotation in step S3.3, a penetrant is added and the rotation is performed; the penetrant is penetrant TS, and the adding amount is 2 g/L.
Preferably, a dyeing assistant is also added in step S3.3.
Preferably, in step S4.1, the fatting agent is fatting agent 150S, fatting agent SA, fatting agent SL, fatting agent ML-N, fatting agent SAF; the adding amount of the fatliquor 150S is 0.5g/L, the adding amount of the fatliquor SA is 1.5g/L, the adding amount of the fatliquor SL is 1g/L, the adding amount of the fatliquor ML-N is 0.5g/L, and the adding amount of the fatliquor SAF is 0.5 g/L;
the addition amount of formic acid is 1g/L, and the addition amount of chromium powder is 0.5 g/L;
the time of the first rotation and the third rotation is 90min, and the time of the second rotation is 30 min;
in step S4.2, the temperature of the added water is 25 ℃, the adding amount of formic acid is 0.5g/L, and the cleaning time is 10 min.
The invention has the following function principle:
in order to solve the problem of the leather garment grade, the filler CLE and the zirconium tanning agent ZB-33 are added during retanning, so that the stiffness of the leather plate is improved, the position difference of the leather plate is reduced or even eliminated, chemical materials and dyes can be uniformly dyed in the dyeing process, the color consistency of the leather plate of the leather garment is finally improved, and the product quality is improved.
Compared with the prior art, the invention has the beneficial effects that:
the invention effectively improves the condition that the leather boards of the fur clothes are inconsistent in color, improves the consistency of the colors of the leather boards of the fur clothes and improves the product quality by improving the retanning process; the product processed by the process has good luster, full chromaticity, compact leather plate and high finished product quality, and can meet the market and customer requirements.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
All of the starting materials of the present invention, without particular limitation as to their source, may be purchased commercially or prepared according to conventional methods well known to those skilled in the art.
All the raw materials of the present invention are not particularly limited in their purity, and the present invention preferably employs a purity which is conventional in the industrial purity or the field of leather production.
All the raw materials, the marks and the acronyms thereof belong to the conventional marks and acronyms in the field, each mark and acronym is clear and definite in the field of related application, and the raw materials can be purchased from the market or prepared by a conventional method by the technical staff in the field according to the marks, the acronyms and the corresponding application.
All the processes of the invention, the abbreviations thereof belong to the common abbreviations in the art, each abbreviation is clear and definite in the field of its associated use, and the ordinary process steps thereof can be understood by those skilled in the art from the abbreviations.
The invention has no special limitation on the wool dyeing dye, the dyeing plate dye and the dyeing auxiliary agent, and the dyes for dyeing the fur leather which are well known to the technicians in the field can be selected and adjusted by the technicians in the field according to the actual application condition, the product requirement and the quality requirement.
In the invention, the used chemical materials are specifically as follows: a backwater auxiliary agent GC for the chemical production of Xiton; fatting agents TIS, GLH and ML-N produced by Kekai chemical industry; a leveling agent FL-1 produced by Beijing panbo; penetrant TS and fatting agent 150S produced by BIOFIN; fat liquor SA produced by brother science and technology; fatting agent SL produced by urban mass chemical production; fatliquoring agents SAF from TFL company of Germany; zirconium tanning agent ZB-33 produced by Langshan and filling CLE.
Example 1
As shown in fig. 1, a processing technology for improving the grade of a fur and leather garment comprises the following steps:
1) putting the leather into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 1g/L backwater assistant GC at the temperature of 40 ℃, rotating for 90min with 1g/L sodium carbonate, and discharging water.
2) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: and 18, cleaning for 10min, and draining.
3) Adding water with the temperature of 40 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 2g/L of filling CLE, rotating for 120min, adding 0.5g/L of fatliquoring agent TIS and 1g/L of fatliquoring agent GLH, rotating for 30min, adding 1g/L of formic acid, rotating for 30min, adding 4g/L of chromium powder, rotating for 90min, adding 1g/L of zirconium tanning agent ZB-33, rotating for 60min, adding 0.5g/L of formic acid, rotating for 30min, and draining.
4) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: and 18, cleaning for 10min, and draining.
5) Adding water with the temperature of 65 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 2g/L leveling agent FL-1, 1g/L ammonia water and 1.5g/L nitre, rotating for 20min, adding a wool dyeing dye, rotating for 30min, adding glacial acetic acid 0.5g/L, rotating for 20min, adding 0.5g/L fatting agent TIS and 1g/L fatting agent GLH, rotating for 30min, adding formic acid 0.5g/L, rotating for 20min, adding formic acid 0.5g/L, rotating for 30min, and adjusting the pH value to 3.9.
6) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: and 18, cleaning for 20min, and draining.
7) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: and 18, cleaning for 20min, and draining.
8) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 2g/L sodium formate and 1g/L ammonia water, rotating for 30min, adding 2g/L penetrant TS, rotating for 20min, adding dyeing plate dye, rotating for 60min, adding 0.5g/L acetic acid, rotating for 30min, adding 0.5g/L formic acid, rotating for 30min, and draining.
9) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: and 18, cleaning for 10min, and draining.
10) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 0.5g/L fatting agent 150S, 1.5g/L fatting agent SA, 1g/L fatting agent SL, 0.5g/L fatting agent ML-N and 0.5g/L fatting agent SAF, rotating for 90min, adding 1g/L formic acid, rotating for 30min, adding 0.5g/L chromium powder, rotating for 90min, and draining.
11) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 0.5g/L formic acid, washing for 10min, and draining.
The concentration of the ammonia water used was 20%.
The product dyed according to the method is subjected to color fastness detection according to GB/T3920-2008, and the result shows that the friction color fastness dry rubbing is 3.0, the friction color fastness wet rubbing is 2.0, and the friction color fastness requirement of the cashmere product is met.
Example 2
A processing technology for improving the grade of fur leather clothing comprises the following steps:
1) putting the leather into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 1g/L backwater assistant GC at the temperature of 40 ℃, rotating for 90min with 1g/L sodium carbonate, and discharging water.
2) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: and 18, cleaning for 10min, and draining.
3) Adding water with the temperature of 40 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 2g/L of filling CLE, rotating for 120min, adding 0.5g/L of fatliquoring agent TIS and 1g/L of fatliquoring agent GLH, rotating for 30min, adding 1g/L of formic acid, rotating for 30min, adding 4g/L of chromium powder, rotating for 90min, adding 1g/L of zirconium tanning agent ZB-33, rotating for 60min, adding 0.5g/L of formic acid, rotating for 30min, and draining.
4) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: and 18, cleaning for 10min, and draining.
5) Adding water with the temperature of 65 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 2g/L leveling agent FL-1, 1g/L ammonia water and 1.5g/L nitre, rotating for 20min, adding a wool dyeing dye, rotating for 30min, adding glacial acetic acid 0.5g/L, rotating for 20min, adding 0.5g/L fatting agent TIS and 1g/L fatting agent GLH, rotating for 30min, adding formic acid 0.5g/L, rotating for 20min, adding formic acid 0.5g/L, rotating for 30min, and adjusting the pH value to 3.9.
6) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: and 18, cleaning for 20min, and draining.
7) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: and 18, cleaning for 20min, and draining.
8) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 2g/L sodium formate and 1g/L ammonia water, rotating for 30min, adding dyeing plate dye, rotating for 60min, adding 0.5g/L acetic acid, rotating for 30min, adding 0.5g/L formic acid, rotating for 30min, and draining.
9) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: and 18, cleaning for 10min, and draining.
10) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 0.5g/L fatting agent 150S, 1.5g/L fatting agent SA, 1g/L fatting agent SL, 0.5g/L fatting agent ML-N and 0.5g/L fatting agent SAF, rotating for 90min, adding 1g/L formic acid, rotating for 30min, adding 0.5g/L chromium powder, rotating for 90min, and draining.
11) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 0.5g/L formic acid, washing for 10min, and draining.
The concentration of the ammonia water used was 10%.
The product dyed according to the method is subjected to color fastness detection according to GB/T3920-2008, and the result shows that the friction color fastness dry rubbing is 3.0, the friction color fastness wet rubbing is 2.0, and the friction color fastness requirement of the cashmere product is met.
Example 3
A processing technology for improving the grade of fur leather clothing comprises the following steps:
1) putting the leather into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 1g/L backwater assistant GC at the temperature of 40 ℃, rotating for 90min with 1g/L sodium carbonate, and discharging water.
2) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: and 18, cleaning for 10min, and draining.
3) Adding water with the temperature of 40 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 2g/L of filling CLE, rotating for 120min, adding 0.5g/L of fatliquoring agent TIS and 1g/L of fatliquoring agent GLH, rotating for 30min, adding 1g/L of formic acid, rotating for 30min, adding 4g/L of chromium powder, rotating for 90min, adding 1g/L of zirconium tanning agent ZB-33, rotating for 60min, adding 0.5g/L of formic acid, rotating for 30min, and draining.
4) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: and 18, cleaning for 10min, and draining.
5) Adding water with the temperature of 65 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 1.5g/L leveling agent FL-1, 1g/L ammonia water and 1.5g/L nitre, rotating for 20min, adding a wool dyeing dye, rotating for 30min, adding glacial acetic acid 0.5g/L, rotating for 20min, adding formic acid 0.5g/L, rotating for 30min, and adjusting the pH value to 3.9.
6) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: and 18, cleaning for 20min, and draining.
7) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: and 18, cleaning for 20min, and draining.
8) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 2g/L sodium formate and 1g/L ammonia water, rotating for 30min, adding 2g/L penetrant TS, rotating for 20min, adding dyeing plate dye, rotating for 60min, adding 0.5g/L acetic acid, rotating for 30min, adding 0.5g/L formic acid, rotating for 30min, and draining.
9) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: and 18, cleaning for 10min, and draining.
10) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 0.5g/L fatting agent 150S, 1.5g/L fatting agent SA, 1g/L fatting agent SL, 0.5g/L fatting agent ML-N and 0.5g/L fatting agent SAF, rotating for 90min, adding 1g/L formic acid, rotating for 30min, adding 0.5g/L chromium powder, rotating for 90min, and draining.
11) Adding water with the temperature of 25 ℃ into an inclined rotary drum, wherein the liquid ratio is 1: 18, adding 0.5g/L formic acid, washing for 10min, and draining.
The concentration of the ammonia water used was 35%.
The product dyed according to the method is subjected to color fastness detection according to GB/T3920-2008, and the result shows that the friction color fastness dry rubbing is 3.0, the friction color fastness wet rubbing is 2.0, and the friction color fastness requirement of the cashmere product is met.
The technical solution of the present invention is not limited to the limitations of the above specific embodiments, and all technical modifications made according to the technical solution of the present invention fall within the protection scope of the present invention.
Claims (10)
1. A processing technology for improving the grade of fur leather clothing is characterized in that: the method comprises the following steps:
s1, water return:
s1.1, putting the skin into a rotary drum, adding water, a backwater auxiliary agent and sodium carbonate, rotating for a certain time, and draining;
s1.2, adding water into the rotary drum, and draining after cleaning;
the liquid ratio in the water return process is 1: 18;
s2, retanning:
s2.1, adding water and a filler into the rotary drum and then rotating for the first time; adding a fatting agent and then carrying out secondary rotation; adding the first formic acid and then rotating for the third time; adding chromium powder and then carrying out fourth rotation; adding zirconium tanning agent and then performing fifth rotation; adding formic acid for the second time, then carrying out the sixth rotation, and draining;
s2.2, adding water into the rotary drum, and draining after cleaning;
the liquor ratio of the retanning process is 1: 18;
s3, staining:
s3.1, dyeing wool:
adding water into the rotary drum, adding a leveling agent, nitre and ammonia water, and then carrying out first rotation; adding a wool dyeing dye and then carrying out secondary rotation; adding glacial acetic acid and then rotating for the third time; adding formic acid and then carrying out fourth rotation; adding formic acid, performing fifth rotation, adjusting the pH to 3.9, and draining;
s3.2, adding water into the rotary drum, and draining after the first cleaning; adding water into the rotary drum, and draining water after secondary cleaning;
s3.3, dyeing plates:
adding water into the rotary drum, adding sodium formate and ammonia water, and rotating for the first time; adding a dyeing plate dye, performing second rotation, adding acetic acid, and performing third rotation; adding formic acid, rotating for the fourth time, and draining;
s3.4, adding water into the rotary drum, and draining after cleaning;
the liquid ratio in the dyeing process is 1: 18;
s4, fat liquoring:
s4.1, adding water into the rotary drum, adding a fatting agent, and then rotating for the first time; adding formic acid and then carrying out second rotation; adding chromium powder, rotating for the third time, and draining;
s4.2, adding water into the rotary drum, adding formic acid, cleaning and draining;
the liquid ratio in the process of fat liquoring is 1: 18;
the rotary drum in steps S1 to S4 is a tilting rotary drum.
2. The process for upgrading a leather garment according to claim 1, wherein the process comprises the following steps: the process of step S1.1, the temperature is 40 ℃; the backwater auxiliary agent is a backwater auxiliary agent GC, and the addition amount is 1 g/L; the amount of sodium carbonate added was 1 g/L.
3. The process for upgrading a leather garment according to claim 1, wherein the process comprises the following steps: in the step S2.1, the filler is filler CLE, and the addition amount is 2 g/L; the zirconium tanning agent is zirconium tanning agent ZB-33, and the adding amount is 1 g/L.
4. The process of claim 3, wherein the step of processing the fur-leather garment grade comprises:
in the step S2.1, the fatting agents are fatting agents TIS and GLH; the adding amount of the fatting agent TIS is 0.5g/L, and the adding amount of the fatting agent GLH is 1 g/L; the adding amount of the first formic acid is 1g/L, and the adding amount of the second formic acid is 0.5 g/L; the addition amount of the chromium powder is 4 g/L.
5. The process for upgrading a leather garment according to claim 1, wherein the process comprises the following steps:
in the step S3.1, the leveling agent is a leveling agent FL-1, and the addition amount is 1.5 g/L-2 g/L; the adding amount of ammonia water is 1g/L, and the adding amount of nitre is 1.5 g/L; the adding amount of the glacial acetic acid is 0.5 g/L; the addition amount of formic acid is 0.5 g/L; the concentration of the ammonia water is 10-35%.
6. The process of claim 5, wherein the step of processing the fur-leather garment grade comprises:
after the third rotation in the step S3.1, adding a fatting agent and rotating;
the fatting agent is a fatting agent TIS and a fatting agent GLH; the addition amount of the fatliquor TIS is 0.5g/L, and the addition amount of the fatliquor GLH is 1 g/L.
7. The process of claim 5, wherein the step of processing the fur-leather garment grade comprises: in the step S3.3, the adding amount of sodium formate is 2g/L, and the adding amount of ammonia water is 1 g/L; the addition amount of acetic acid is 0.5g/L, and the addition amount of formic acid is 0.5 g/L; the concentration of the ammonia water is 10-35%.
8. The process of claim 7, wherein the step of processing the fur-leather garment grade comprises:
after the step S3.3 is rotated for the first time, a penetrating agent is added and the rotation is carried out; the penetrant is penetrant TS, and the adding amount is 2 g/L.
9. The process of claim 7, wherein the step of processing the fur-leather garment grade comprises: in step S3.3, a dyeing auxiliary is also added.
10. The process for upgrading a leather garment according to claim 1, wherein the process comprises the following steps:
in the step S4.1, the fatting agent is fatting agent 150S, fatting agent SA, fatting agent SL, fatting agent ML-N and fatting agent SAF; the adding amount of the fatliquor 150S is 0.5g/L, the adding amount of the fatliquor SA is 1.5g/L, the adding amount of the fatliquor SL is 1g/L, the adding amount of the fatliquor ML-N is 0.5g/L, and the adding amount of the fatliquor SAF is 0.5 g/L;
the addition amount of formic acid is 1g/L, and the addition amount of chromium powder is 0.5 g/L;
in step S4.2, the amount of formic acid added is 0.5 g/L.
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| CN105950793A (en) * | 2016-06-01 | 2016-09-21 | 际华三五二皮革服装有限公司 | Production method of semi-vegetable tanning goat clothing leather |
| CN108130755A (en) * | 2018-01-25 | 2018-06-08 | 焦作隆丰皮草企业有限公司 | The dyeing that a kind of coloring agent and hair for hair leather is removed from office |
| CN109385916A (en) * | 2018-10-17 | 2019-02-26 | 焦作隆丰皮草企业有限公司 | A kind of low liquor ratio colouring method of sheep shearing |
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| CN105950793A (en) * | 2016-06-01 | 2016-09-21 | 际华三五二皮革服装有限公司 | Production method of semi-vegetable tanning goat clothing leather |
| CN108130755A (en) * | 2018-01-25 | 2018-06-08 | 焦作隆丰皮草企业有限公司 | The dyeing that a kind of coloring agent and hair for hair leather is removed from office |
| CN109385916A (en) * | 2018-10-17 | 2019-02-26 | 焦作隆丰皮草企业有限公司 | A kind of low liquor ratio colouring method of sheep shearing |
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| CN114657288B (en) * | 2022-03-25 | 2023-12-19 | 隆丰革乐美时尚有限公司 | Method for improving surface blackness of sheep sheared clothing product |
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Effective date of registration: 20230828 Address after: No. 5, Mengzhou Industrial Cluster District, Jiaozuo City, Henan Province, 454750 Patentee after: Longfeng Gelemei Fashion Co.,Ltd. Address before: No. 5, West Industrial Zone, Mengzhou City, Jiaozuo City, Henan Province Patentee before: HENAN PROSPER SKINS & LEATHER ENTERPRISE Co.,Ltd. |