CN106222323B - A kind of preparation method of frivolous soft inner bag shearling - Google Patents

A kind of preparation method of frivolous soft inner bag shearling Download PDF

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Publication number
CN106222323B
CN106222323B CN201610609749.5A CN201610609749A CN106222323B CN 106222323 B CN106222323 B CN 106222323B CN 201610609749 A CN201610609749 A CN 201610609749A CN 106222323 B CN106222323 B CN 106222323B
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minutes
stroke
water
paddle
tumble
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CN106222323A (en
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张亚军
魏立仁
吴霞
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JIHUA 3512 LEATHER AND GARMENT CO Ltd
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JIHUA 3512 LEATHER AND GARMENT CO Ltd
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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
    • C14C1/04—Soaking
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
    • A41D13/005—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment with controlled temperature
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D27/00—Details of garments or of their making
    • A41D27/02—Linings
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B1/00—Manufacture of leather; Machines or devices therefor
    • C14B1/02—Fleshing, unhairing, samming, stretching-out, setting-out, shaving, splitting, or skiving skins, hides, or leather
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B1/00—Manufacture of leather; Machines or devices therefor
    • C14B1/02—Fleshing, unhairing, samming, stretching-out, setting-out, shaving, splitting, or skiving skins, hides, or leather
    • C14B1/24—Cutting or shearing hairs without cutting the skin
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B1/00—Manufacture of leather; Machines or devices therefor
    • C14B1/40—Softening or making skins or leather supple, e.g. by staking, boarding, or crippling machines, by dry mills
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B11/00—Finishing the edges of leather pieces, e.g. by folding, by burning
    • 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
    • C14C1/08—Deliming; Bating; Pickling; Degreasing
    • 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
    • C14C3/04—Mineral tanning
    • C14C3/06—Mineral tanning using chromium compounds
    • 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
    • C14C3/28—Multi-step processes
    • 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
    • C14C5/00—Degreasing leather

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Abstract

A kind of preparation method of frivolous soft inner bag shearling, using the skin for obtaining softening pickling after the processing of prior art common process as raw material, depickling, again enzyme bating, pickling and tanning are carried out, then routinely technique carries out final finishing.The present invention carries out first time pickling softening in the base skin preparatory stage to rawhide, and its object is to remove interfibrillar substance, loose collagenous fibres；Follow-up depickling, enzyme bating make finished leather evenly solid while softness.The invention provides a kind of method that sheepskin successively is carried out into step-by-step processing using the characteristic of enzyme preparation in high and low pH value body lotion, it is characterized in a variety of enzyme preparation substep reasonable employments, it is allowed to act synergistically, give full play to the respective advantage of acidicenzym and alkaline enzyme, so as to which bating effect be greatly improved, make finished product shearling more lightweight, softness, solid and high resilience.Product prepared by the present invention is mainly used in insulated cold wear inner bag, available for jewelry for producing collar, all kinds of fashionable dresses etc..

Description

A kind of preparation method of frivolous soft inner bag shearling
Technical field
The invention belongs to shearling processing industry technical field, more particularly, to a kind of making of frivolous soft inner bag shearling Method.
Background technology
It is a kind of usual products that Qiu Ge, which is made, in shearling product, but with the epoch development and people's living standard it is continuous Improve, consumer increasingly tends to the pursuit to back to nature, frivolous soft for dermatotome, and fleece staple length is only in 0.5cm inner bag hairs Sheepskin, it is comfortable, light and soft, novel that consumer pursues.Feel personal, light, elegant when wearing, sense of not bearing a heavy burden, comfort level reaches The sensation of fabric clothing, i.e., so-called " light and have matter, gently without floating ", dermatotome be soft and high resilience, fleece are loose Smooth soft shearling product.Given this factor, my company is both warming by " thin, light, soft ", and the inner bag fur goods of fashion is true It is set to the direction and goal of development.
The content of the invention
It is an object of the invention to provide sheepskin is made into a kind of preparation method of frivolous soft inner bag shearling.
The purpose of the present invention is achieved through the following technical solutions：A kind of preparation method of frivolous soft inner bag shearling, with warp It is raw material to cross after the processing of prior art common process the skin for obtaining softening pickling, carries out depickling, again enzyme bating, pickling and tanning, Then routinely technique carries out final finishing；Concrete technology step is as follows：
1st, base skin prepares
The moderate wool sheep skin raw then of gross density is selected, it is normal by prior art after being measured to sheepskin by area square chi Technique is advised to carry out：Pre- immersion, slubbing immersion, it is wet scrape bur, water dumping, wet cropping, trimming flash, rawhide scouring of wool, secondary immersion, point Class, mill meat, deburring, rawhide degreasing, trine immersion, softening pickling obtain the skin of softening pickling with standing.The total of sheepskin area puts down Square chi, as follow-up water and material dosage foundation.
2nd, depickling
Equipment：Paddle-tumble, water：6~7L/ square chis, 38~40 DEG C of temperature；
Material：40~50g/L of salt, 1.2~1.4g/L of sodium formate, 1.3~1.5g/L of sodium bicarbonate, soda ash 1.3~ 1.5g/L, 0.6~0.8g/L of fatting agent GLH and 0.2~0.3g/L of bactericide FMN；
Operating method：Paddle-tumble adds water by total Water, mixes up water temperature, adds salt and draws even rear hypodermis, stroke 20 minutes；By first Sour sodium adds paddle-tumble, stroke 30 minutes after being opened with 3~5 times of aquation；Paddle-tumble is added after sodium bicarbonate is opened with 3~5 times of aquation, Stroke 30 minutes；Paddle-tumble, stroke 30 minutes, by fatting agent GLH with 5~10 times 45 are added after soda ash is opened with 3~5 times of aquation DEG C aquation adds paddle-tumble after opening, and stroke 30 minutes, stops 15 minutes, then stroke 30 minutes；Look into pH=6.0~6.5；By bactericide FMN adds paddle-tumble, and stroke is stood overnight after 20 minutes.
3rd, draining is rinsed：The draining of morning next day, rinsed 15 minutes with the water that temperature is 38~40 DEG C, emptying waste liquid.
4th, enzyme bating
Equipment：Paddle-tumble, water：6~7L/ square chis, 38~40 DEG C of temperature；
Material：0.3~0.5g/L of soda ash, 1.3~1.5g/L of macerating enzyme P10,0.2~0.4g/L of fatting agent GLH are with adding Fat agent LQ -5 0.3~0.5g/L；
Operating method：Paddle-tumble adds water by total Water, mixes up water temperature, and paddle-tumble is added after soda ash is opened with 3~5 times of aquation, Stroke 30 minutes, looks into pH=7.8~8.0；Stroke 30 minutes after macerating enzyme P10 are added, are stopped 120 minutes, then stroke 30 minutes, will Fatting agent GLH adds paddle-tumble after being opened respectively with 5~10 times of 45 DEG C of aquations with fatting agent LQ -5, stroke 15 minutes, stops 30 minutes； Stroke 15 minutes again, stop 30 minutes；Third time stroke 15 minutes, stop 30 minutes；Draining, rushed with the water that temperature is 38~40 DEG C Wash 15 minutes, emptying waste liquid.
5th, pickling again
Equipment：Paddle-tumble, water：6~7L/ square chis, 28~30 DEG C of temperature
Material：40~50g/L of salt, 1~2g/L of fatting agent LPC, 2~2.5g/L of formic acid and acid bating enzyme A 0.8~ 1g/L；
Operating method：Paddle-tumble adds water by total Water, mixes up water temperature, adds salt stroke 15 minutes, by fatting agent LPC with 5 ~10 times of 45 DEG C of aquations open addition paddle-tumble, stroke 30 minutes；Formic acid stroke 60 minutes is added, pH=4.5~5.5 is adjusted, is warming up to 35 DEG C add acid bating enzyme A strokes 30 minutes, stop 20 minutes, then stroke 30 minutes, stand overnight.
6th, tanning
Equipment：Paddle-tumble, water：6~7L/ square chis, 38~40 DEG C of temperature
Material：1.2~1.5g/L of sulfuric acid, 2~3g/L of alum, the 1~2g/L chromium powders of HN containing Chrome Tanning Liquor, 2.5~3.0g/L, 0.8~1g/L of sodium formate and 3~5g/L of sodium bicarbonate；
Operating method：Mix up water temperature the next morning, add 30 minutes regulation pH values 2.8~3.2 of sulfuric acid stroke；Stop 60 points Clock, draw 30 minutes；Add the strokes of HN containing Chrome Tanning Liquor 20 minutes；Chromium powder stroke 15 minutes is added, is stopped 30 minutes；Stroke 15 divides again Clock, stop 30 minutes；Later every stroke in 2 hours 10 minutes, stop drawing after such 6~8 hours circulation time, dermatotome is immersed into water down In overnight；The stroke of morning next day adds sodium formate stroke 30 minutes after 10 minutes；Sodium bicarbonate is added in four times, it is small per minor tick 2 When, the 1/4 of sodium bicarbonate total amount is added every time, is added and is opened in thread in stroke with 15 times of 30~35 DEG C of aquations during sodium bicarbonate and slowly adds Enter, continue stroke 20~25 minutes after adding sodium bicarbonate every time, look into ph values：3.8~4.0, stop that dermatotome is pressed into liquid after drawing, hair Upward, stroke in the next morning goes out skin in 20~30 minutes.
7th, final finishing, routinely technique progress：Standing, force feed, water spray, wet-milling orchid skin, scouring of wool, rinsing, water dumping, leaching add Fat, standing, extension dry dry, moisture regain, stretching, extension, nail-plate（Toggling）, scald hair, cropping and arrangement.
The present invention carries out first time pickling softening in the base skin preparatory stage to rawhide, its object is to remove interfibrillar substance, Loose collagenous fibres；Follow-up depickling, enzyme bating make finished leather evenly solid while softness.Will the invention provides one kind The method that sheepskin successively carries out step-by-step processing in high and low pH value body lotion using the characteristic of enzyme preparation, is characterized in a variety of enzymes Preparation substep reasonable employment, is allowed to act synergistically, and gives full play to the respective advantage of acidicenzym and alkaline enzyme, so as to significantly Bating effect is improved, makes finished product shearling more lightweight, softness, solid and high resilience.Product prepared by the present invention is main For insulated cold wear inner bag, available for jewelry for producing collar, all kinds of fashionable dresses etc.；Fleece is especially handled as needed.
Embodiment
Material used in following embodiments is to make the conventional material of shearling product, can be obtained by commercial sources Arrive.
Embodiment 1；The present embodiment is the preparation method of frivolous soft inner bag shearling of being unstained, and step is as follows：
1st, base skin prepares：Moderate 75 square chi of the wool sheep skin raw then of gross density is selected, by prior art common process Handled：Pre- immersion, slubbing immersion, it is wet scrape bur, water dumping, wet cropping, trimming flash, rawhide scouring of wool, secondary immersion, point Class, mill meat, deburring, rawhide degreasing, trine immersion, softening pickling are with standing；Obtain softening the skin of pickling.75 square chi of sheep Skin, as follow-up water and material dosage foundation.
2nd, depickling
Equipment：450L paddle-tumbles, water：6L/ square chis, temperature：40℃；
Material：Salt 50g/L × 450L=22.5kg, sodium formate 1.2g/L × 450L=540g, sodium bicarbonate 1.4g/L × 450L=630g, soda ash 1.3g/L × 450L=585g, fatting agent GLH 0.6g/L × 450L=270g and bactericide FMN 0.3g/L×450L=135g。
Operating method：Paddle-tumble water filling 450L, 40 DEG C of water transfer temperature, add salt and draw even rear hypodermis, stroke 20 minutes；By formic acid Sodium adds paddle-tumble stroke 30 minutes after being opened with 2000g aquations, paddle-tumble is added after sodium bicarbonate is opened with 2000g aquations, stroke 30 divides Clock；Paddle-tumble, stroke 30 minutes are added after soda ash is opened with 2500g aquations；Add after fatting agent GLH is opened with 2500g, 45 DEG C of aquations Enter paddle-tumble, stroke 30 minutes, stop 15 minutes, then stroke 30 minutes；Look into pH=6.3；Bactericide FMN is added, after stroke 20 minutes Stand overnight.
3rd, draining is rinsed：The draining of morning next day, rinsed 15 minutes with the water that temperature is 38 DEG C, emptying waste liquid.
4th, enzyme bating
Equipment：450L paddle-tumbles, water：6L/ square chis, temperature：38℃；
Material：Soda ash 0.5g/L × 450L=225g, macerating enzyme P10 1.3g/L × 450L=585g, fatting agent GLH 0.3g/L × 450L=135g, fatting agent LQ -5 0.4g/L × 450L=180g.
Operating method：Paddle-tumble water filling 450L, 38 DEG C of water transfer temperature, paddle-tumble, stroke 30 are added after soda ash is opened with 900g aquations Minute, look into pH=8.0；Stroke 30 minutes after macerating enzyme P10 are added, are stopped 120 minutes, then stroke 30 minutes；Fatting agent GLH is used 1300g, 45 DEG C of aquations add paddle-tumble after opening, and paddle-tumble, stroke 15 are added after fatting agent LQ -5 are opened with 1500g, 45 DEG C of aquations Minute, stop 30 minutes；Stroke 15 minutes again, stop 30 minutes；Third time stroke 15 minutes, stop 30 minutes；Draining, it is with temperature 38~39 DEG C of water rinses 15 minutes, emptying waste liquid.
5th, pickling again
Equipment：450L paddle-tumbles, water：6L/ square chis, temperature：30℃；
Material：Salt 40g/L × 450L=18kg, fatting agent LPC 2g/L × 450L=900g, formic acid 2.5g/L × 450L= 1125g, acid bating enzyme A 1g/L × 450L=450g.
Operating method：Paddle-tumble water filling 450L, 30 DEG C of water transfer temperature, salt stroke 15 minutes is added, by fatting agent LPC 5kg , 45 DEG C of aquations add paddle-tumble, stroke 30 minutes after opening；Formic acid stroke 60 minutes is added, pH=5.1 is adjusted, is warming up to 35 DEG C of additions Acidicenzym A strokes 30 minutes, stop 20 minutes, then stroke 30 minutes, stand overnight.
6th, tanning
Equipment：450L paddle-tumbles, water：6L/ square chis, temperature：40℃；
Material：The g of sulfuric acid 1.3g/L × 450L=585g, alum 3g/L × 450L=1350, the 2g/L of HN containing Chrome Tanning Liquor × 450L=900g, chromium powder 3.0g/L × 450L=1350g, sodium formate 1g/L × 450L=450g, sodium bicarbonate 5g/L × 450L= 2250g。
Operating method：Water temperature is mixed up the next morning to 40 DEG C, 30 minutes regulation pH values 3.2 of sulfuric acid stroke is added, stops 60 points Clock, draw 30 minutes；Add the strokes of HN containing Chrome Tanning Liquor 20 minutes；Chromium powder stroke 15 minutes is added, is stopped 30 minutes, stroke 15 again divides Clock, stop 30 minutes；Later every stroke in 2 hours 10 minutes, stop drawing after such circulation time 6-8 hours, dermatotome is immersed into water down In overnight；The stroke of morning next day adds sodium formate stroke 30 minutes after 10 minutes；In four times plus sodium bicarbonate, per minor tick 2 hours, every time Added by the 1/4 of sodium bicarbonate total amount, add and opened during sodium bicarbonate with 34kg, 35 DEG C of aquations, thread is slowly added in stroke, is added every time Continue stroke 25 minutes after complete sodium bicarbonate, it is 4.0 to look into ph values, stops that dermatotome is pressed into liquid after drawing, fleece is upward, and the next morning draws Go out skin within dynamic 25 minutes.
7th, final finishing, routinely technique progress：Standing, force feed, water spray, wet-milling orchid skin, scouring of wool, rinsing, water dumping, leaching add Fat, standing, extension dry dry, moisture regain, stretching, extension, nail-plate（Toggling）, scald hair, cropping, arrangement, inspection, gage bundling storage.
The present embodiment of embodiment 2 is dyeing skin, and step is as follows：
1st, base skin prepares：With embodiment 1；
2nd, depickling
Equipment：450L paddle-tumbles, water：6L/ square chis, temperature：38℃；
Material：Salt 45g/L × 450L=20.25kg, sodium formate 1.4g/L × 450L=630g, sodium bicarbonate 1.3g/L × 450L=585g, soda ash 1.3g/L × 450L=675g, fatting agent GLH 0.6g/L × 450L=315g and bactericide FMN 0.25g/L×450L=112.5g。
Operating method：Paddle-tumble water filling 450L, 38 DEG C of water transfer temperature, add salt and draw even rear hypodermis, stroke 20 minutes；By formic acid Sodium adds paddle-tumble stroke 30 minutes after being opened with 3000g aquations, paddle-tumble is added after sodium bicarbonate is opened with 2500g aquations, stroke 30 divides Clock；Paddle-tumble, stroke 30 minutes are added after soda ash is opened with 2000g aquations；Add after fatting agent GLH is opened with 1800g, 45 DEG C of aquations Enter paddle-tumble, stroke 30 minutes, stop 15 minutes, then stroke 30 minutes；Look into pH=6.0；Bactericide FMN is added, after stroke 20 minutes Stand overnight.
3rd, draining is rinsed：With embodiment 1.
4th, enzyme bating
Equipment：450L paddle-tumbles, water：6L/ square chis, 40 DEG C of temperature；
Material：Soda ash 0.3g/L × 450L=135g, macerating enzyme P10 1.5g/L × 450L=675g, fatting agent GLH 0.4g/L × 450L=180g, fatting agent LQ -5 0.3g/L × 450L=135g.
Operating method：Paddle-tumble water filling 450L, 40 DEG C of water transfer temperature, paddle-tumble, stroke 30 are added after soda ash is opened with 800g aquations Minute, look into pH=7.8；Stroke 30 minutes after macerating enzyme P10 are added, are stopped 120 minutes, then stroke 30 minutes；Fatting agent GLH is used 1300g, 45 DEG C of aquations add paddle-tumble after opening, and paddle-tumble, stroke 15 are added after fatting agent LQ -5 are opened with 1200g, 45 DEG C of aquations Minute, stop 30 minutes；Stroke 15 minutes again, stop 30 minutes；Third time stroke 15 minutes, stop 30 minutes；Draining, it is with temperature 38~39 DEG C of water rinses 15 minutes, emptying waste liquid.
5th, pickling again
Equipment：450L paddle-tumbles, water：6L/ square chis, temperature：28℃；
Material：Salt 45g/L × 450L=20.25kg, fatting agent LPC 1.5g/L × 450L=675g, formic acid 2g/L × 450L=900g, acid bating enzyme A 0.8g/L × 450L=360g.
Operating method：Paddle-tumble water filling 450L, 28 DEG C of water transfer temperature, salt stroke 15 minutes is added, by fatting agent LPC 5kg , 45 DEG C of aquations add paddle-tumble, stroke 30 minutes after opening；Formic acid stroke 60 minutes is added, pH=4.5 is adjusted, is warming up to 35 DEG C of additions Acidicenzym A strokes 30 minutes, stop 20 minutes, then stroke 30 minutes, stand overnight.
6th, tanning
Equipment：450L paddle-tumbles, water：6L/ square chis, temperature：39℃；
Material：The g of sulfuric acid 1.2g/L × 450L=540g, alum 2.5g/L × 450L=1125, the 1.5g/L of HN containing Chrome Tanning Liquor × 450L=675g, chromium powder 2.5g/L × 450L=1125g, sodium formate 0.8g/L × 450L=360g, sodium bicarbonate 4g/L × 450L= 1800g。
Operating method：Water temperature is mixed up the next morning to 39 DEG C, 30 minutes regulation pH values 3.0 of sulfuric acid stroke is added, stops 60 points Clock, draw 30 minutes；Add the strokes of HN containing Chrome Tanning Liquor 20 minutes；Chromium powder stroke 15 minutes is added, is stopped 30 minutes, stroke 15 again divides Clock, stop 30 minutes；Later every stroke in 2 hours 10 minutes, stop drawing after such circulation time 6-8 hours, dermatotome is immersed into water down In overnight；The stroke of morning next day adds sodium formate stroke 30 minutes after 10 minutes；In four times plus sodium bicarbonate, per minor tick 2 hours, every time Added by the 1/4 of sodium bicarbonate total amount, add and opened during sodium bicarbonate with 27kg, 35 DEG C of aquations, thread is slowly added in stroke, is added every time Continue stroke 20~25 minutes after complete sodium bicarbonate, it is 3.8 to look into ph values, stops that dermatotome is pressed into liquid after drawing, fleece is upward, and next day is early Morning stroke goes out skin in 25 minutes.
7th, common process progress is connect：Standing, force feed, water spray, wet-milling orchid skin, scouring of wool, rinsing and water dumping.
8th, chrome retanned
Equipment：450L paddle-tumbles, water：6L/ square chis, temperature：48℃
Material：Fatting agent GLH1.5g/L × 450L=675g, formic acid 0.7g/L × 450L=315g, chromium powder 6g/L × 450L =2700g, sodium formate 0.7g/L × 450L=315g, sodium bicarbonate 0.6g/L × 450L=270g.
Operating method：Mixing up water temperature, water adds hypodermis after fatting agent GLH, continuous stroke 60 minutes, formic acid is used Paddle-tumble stroke 30 minutes is added after 1.6kg water dilution, chromium powder stroke 60 minutes is added, adds sodium formate stroke 30 minutes, add Opened with 5.4kg, 35 DEG C of aquations during sodium bicarbonate and added at twice, it is 3.6 to add the continuous stroke of first part of sodium bicarbonate and survey within 30 minutes pH, then A sodium bicarbonate stroke 30 minutes is added, it is 3.9 to survey pH, can go out skin after continuing stroke 30 minutes, and skin is piled up neatly, stood Night.
9th, degreasing
Equipment：450L paddle-tumbles, water：6L/ square chis, temperature：48℃；
Material：Washing powder 2g/L × 450L=900g, degreasing agent PKC2g/L × 450L=900g；
Operating method：Water temperature is mixed up, the stroke of water hypodermis adds washing powder, degreasing agent PKC after 10 minutes, drawn 60 minutes It is 7.9 to survey pH value（It is required that pH value：7.5~8.0）, soda ash adjustment, the suitable discharge opeing of pH value are added again as pH is improper.
10th, water dumping is washed：Rinsed 10 minutes with normal-temperature water, untill non-foam.
11st, dye
Equipment：450L paddle-tumbles, water：6L/ square chis, temperature：68℃；
Material：Levelling agent DFL -2 0.8g/L × 450L=360g, uncommon power fur black BBM 3g/L × 450L=1350g, Formic acid 1.2g/L × 450L=540g；
Operating method：Water temperature, water are mixed up, hypodermis stroke adds levelling agent DFL -2 after 10 minutes, level dyeing 15 minutes, added Enter the uncommon power fur black BBM dissolved in advance to draw 30 minutes, formic acid is diluted with 1.8kg water to be added at twice, is added for the first time Formic acid, stroke 30 minutes add second of formic acid, stroke 30 minutes, and survey pH is 3.8 (it is required that pH value 3.8~4.0), discharge opeing.
12nd, water dumping is washed：Rinsed 15 minutes with normal-temperature water, untill without loose colour.
13rd, common process progress is connect：Leaching stuffing, standing, extension dry dry, moisture regain, stretching, extension, nail-plate（Toggling）, scald hair, cut Hair, arrange, examine, gage bundling storage.

Claims (1)

1. a kind of preparation method of frivolous soft inner bag shearling, it is characterised in that to be obtained after the processing of prior art common process Skin to softening pickling is raw material, carries out depickling, again enzyme bating, pickling and tanning, and then routinely technique carries out final finishing；Tool Body technology step is as follows：
（1）, base skin prepare
The moderate wool sheep skin raw then of gross density is selected, after being measured to sheepskin by area square chi, by prior art routine work Skill is carried out：Pre- immersion, slubbing immersion, it is wet scrape bur, water dumping, wet cropping, trimming flash, rawhide scouring of wool, secondary immersion, classification, Grind meat, deburring, rawhide degreasing, trine immersion, softening pickling and stand, obtain softening the skin of pickling；Total square of sheepskin area Chi, as follow-up water and material dosage foundation；
（2）, depickling
Equipment：Paddle-tumble, water：6~7L/ square chis, 38~40 DEG C of temperature；
Material：40~50g/L of salt, 1.2~1.4g/L of sodium formate, 1.3~1.5g/L of sodium bicarbonate, 1.3~1.5g/ of soda ash L, 0.6~0.8g/L of fatting agent GLH and 0.2~0.3g/L of bactericide FMN；
Operating method：Paddle-tumble adds water by total Water, mixes up water temperature, adds salt and draws even rear hypodermis, stroke 20 minutes；By sodium formate Paddle-tumble, stroke 30 minutes are added after being opened with 3~5 times of aquation；Paddle-tumble, stroke are added after sodium bicarbonate is opened with 3~5 times of aquation 30 minutes；Add paddle-tumble after soda ash is opened with 3~5 times of aquation, stroke 30 minutes, by fatting agent GLH with 5~10 times of 45 DEG C of water Paddle-tumble is added after melting, stroke 30 minutes, is stopped 15 minutes, then stroke 30 minutes；Look into pH=6.0~6.5；Bactericide FMN is added Enter paddle-tumble, stroke is stood overnight after 20 minutes；
（3）, draining rinse：The draining of morning next day, rinsed 15 minutes with the water that temperature is 38~40 DEG C, emptying waste liquid；
（4）, enzyme bating
Equipment：Paddle-tumble, water：6~7L/ square chis, 38~40 DEG C of temperature；
Material：0.3~0.5g/L of soda ash, 1.3~1.5g/L of macerating enzyme P10,0.2~0.4g/L of fatting agent GLH and fatting agent LQ -5 0.3~0.5g/L；
Operating method：Paddle-tumble adds water by total Water, mixes up water temperature, and paddle-tumble, stroke are added after soda ash is opened with 3~5 times of aquation 30 minutes, look into pH=7.8~8.0；Stroke 30 minutes after macerating enzyme P10 are added, are stopped 120 minutes, then stroke 30 minutes, by stuffing Agent GLH adds paddle-tumble after being opened respectively with 5~10 times of 45 DEG C of aquations with fatting agent LQ -5, stroke 15 minutes, stops 30 minutes；Again Stroke 15 minutes, stop 30 minutes；Third time stroke 15 minutes, stop 30 minutes；Draining, 15 are rinsed with the water that temperature is 38~40 DEG C Minute, emptying waste liquid；
（5）, pickling again
Equipment：Paddle-tumble, water：6~7L/ square chis, 28~30 DEG C of temperature
Material：40~50g/L of salt, 0.8~1g/ of 1~2g/L of fatting agent LPC, 2~2.5g/L of formic acid and acid bating enzyme A L；
Operating method：Paddle-tumble adds water by total Water, mixes up water temperature, adds salt stroke 15 minutes, by fatting agent LPC with 5~10 45 DEG C of aquations open addition paddle-tumble, stroke 30 minutes again；Formic acid stroke 60 minutes is added, pH=4.5~5.5 is adjusted, is warming up to 35 DEG C Acid bating enzyme A strokes 30 minutes are added, are stopped 20 minutes, then stroke 30 minutes, stand overnight；
（6）, tanning
Equipment：Paddle-tumble, water：6~7L/ square chis, 38~40 DEG C of temperature
Material：1.2~1.5g/L of sulfuric acid, 2~3g/L of alum, the 1~2g/L of HN containing Chrome Tanning Liquor, 2.5~3.0g/L of chromium powder, first Sour 0.8~1g/L of sodium and 3~5g/L of sodium bicarbonate；
Operating method：Mix up water temperature the next morning, add 30 minutes regulation pH values 2.8~3.2 of sulfuric acid stroke；Stop 60 minutes, draw 30 minutes；Add the strokes of HN containing Chrome Tanning Liquor 20 minutes；Chromium powder stroke 15 minutes is added, is stopped 30 minutes；Stroke 15 minutes again, stop 30 minutes；Later every stroke in 2 hours 10 minutes, stop drawing after such circulation time 6-8 hours, dermatotome was immersed in the water down Night；After morning next day stroke 10 minutes；Add sodium formate stroke 30 minutes；Sodium bicarbonate is added in four times, every minor tick 2 hours, The 1/4 of sodium bicarbonate total amount is added every time, is added and is opened in thread in stroke with 15 times of 30~35 DEG C of aquations during sodium bicarbonate and is slowly added to, often Secondary add continues stroke 20~25 minutes after sodium bicarbonate, looks into ph values：3.8~4.0, stop that dermatotome is pressed into liquid after drawing, hair is backwards On, stroke in the next morning goes out skin in 20~30 minutes；
（7）, final finishing, routinely technique carry out：Standing, force feed, water spray, wet-milling orchid skin, scouring of wool, rinsing, water dumping, leaching stuffing, Stand, hang and dry dry, moisture regain, stretching, extension, nail-plate, boiling hot hair, cropping and arrangement.
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CN109628657A (en) * 2018-12-29 2019-04-16 深圳市方润环境科技有限公司 A kind of salt-free acid-free chromte tannage method of high-grade sheep clothes hair leather

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CN101445842A (en) * 2008-12-15 2009-06-03 嘉兴学院 Manufacturing method of double-faced waterproofing pile-face dual-purpose leather of indumentum and leather boards
CN102758029A (en) * 2012-07-09 2012-10-31 陕西科技大学 Method for chrome-free tanning beach woolfell by adopting chrome-free tanning agent
CN103060483A (en) * 2013-01-08 2013-04-24 四川大学 Double waterproof chromium-free tanned sheep fur and its making method
CN104152597A (en) * 2014-08-22 2014-11-19 北京泛博科技有限责任公司 Fur machining method

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BR9509246A (en) * 1994-10-07 1997-10-21 Novo Nordisk As Process for processing animal hides or skins in leather articles and macerator

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Publication number Priority date Publication date Assignee Title
CN101445842A (en) * 2008-12-15 2009-06-03 嘉兴学院 Manufacturing method of double-faced waterproofing pile-face dual-purpose leather of indumentum and leather boards
CN102758029A (en) * 2012-07-09 2012-10-31 陕西科技大学 Method for chrome-free tanning beach woolfell by adopting chrome-free tanning agent
CN103060483A (en) * 2013-01-08 2013-04-24 四川大学 Double waterproof chromium-free tanned sheep fur and its making method
CN104152597A (en) * 2014-08-22 2014-11-19 北京泛博科技有限责任公司 Fur machining method

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