CN104673943A - Method for manufacturing environment-friendly ecological tanned lamb skin - Google Patents
Method for manufacturing environment-friendly ecological tanned lamb skin Download PDFInfo
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- CN104673943A CN104673943A CN201310622193.XA CN201310622193A CN104673943A CN 104673943 A CN104673943 A CN 104673943A CN 201310622193 A CN201310622193 A CN 201310622193A CN 104673943 A CN104673943 A CN 104673943A
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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
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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
- C14C1/08—Deliming; Bating; Pickling; Degreasing
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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
- 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
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/28—Multi-step processes
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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
- C14C5/00—Degreasing 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
- 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
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/60—Optical bleaching or brightening
- D06L4/614—Optical bleaching or brightening in aqueous solvents
Abstract
The invention discloses a method for manufacturing environment-friendly ecological tanned lamb skin. The method comprises the following steps: firstly, soaking a raw material lamb skin into water, adding degreasant and sodium carbonate in the soaking process, and removing hair and meat in the water soaking process; putting the lamb skin in water, adding degreasant and sodium carbonate for soaking and removing fat, and removing meat for the second time; putting into water for the second time to soften the lamb skin and removing fur and meat; pickling and softening, and taking out the skin and standing still for two days; tanning, taking out and standing still for two days; performing primary treatment, putting into water, adding syntans, a fatting agent and formic acid, soaking, taking out, standing for one day, performing oxidation washing and reduction bleaching, and finally finishing, thus obtaining a product. When tanned lamb skin is manufactured by using the method, environment pollution can be reduced and relevant maintenance expense for wastewater treatment and the like can be reduced, so that the production cost can be reduced and moreover the manufactured product is excellent in property.
Description
Technical field
The invention belongs to shearling industry processing and fabricating technical field, particularly relate to a kind of making method of environmental and ecological aluming kip.
Background technology
In shearling manufacturing processed, tanning is absolutely necessary, very important operation, and the skin not through tanning is rawhide, cannot use; After tanning, rawhide becomes leather, has possessed required for softness, for shelf-stable, water-permeable and air permeable, the people such as water-fastness, dress ornament performance.For a long time, the making processing of shearling adopts chromic tanning always, and this method makes shearling all can cause severe contamination to environment from tanning processes to sewage disposal.In recent years, China pays much attention to environmental protection work, Devoting Major Efforts To Developing carry out energy-conservation, reduce discharging, consumption-reducing technological and product, full-scale development produces environmentally friendly machine.And the manufacturing of chrome tanning agent also causes larger pollution to environment, be unfavorable for environment protection.Therefore, environment protection ecological type shearling making method is developed significant to environment protection.
At present, relevant patent literature is also had about shearling tanning making method.Such as: 1, application number be 201210351740.0, name be called the application for a patent for invention of " tibet lamp ecological bating clean preparation method ", this patent production method roughly comprise tan before preparation, degreasing, immersion, fleshing, degreasing, immersion, softening pickling, tanning, neutralization, wet-milling oxygen wash, stuffing, neutralize, go out the operations such as skin leaves standstill, arrangement.2, application number is 200810182294.9, name is called that the application for a patent for invention of the method for white tanned shearling " make ", this making method roughly comprise preparatory stage (pre-immersion, wet scrape bur, water dumping, wet cropping, secondary immersion, fleshing, deburring, rawhide degreasing, trine immersion, softening, pickling and the operation such as to leave standstill) and tanning stage (comprising tanning, standing, force feed, water spray, wet-milling, washing, oxidation, washing, bleaching, washing, water dumping and pouring stuffing operation).
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of making method of environmental and ecological aluming kip.Make aluming kip by technical solution of the present invention, the sewage produced in making processes, pollutent are less, are conducive to environmental protection; And the product that the present invention makes has, and light is pure white, dermatotome is plentiful, frivolous softness, oxidation-reduction resistance can strong, acid and alkali-resistance, sweat proof, preservative property strong, odorless, shrinkage temperature are high, good springiness and the feature such as Color is good.Prepare aluming kip by the technology of the present invention method can reduce environmental pollution, reduce the associated maintenance expenses such as waste water treatment, thus reduce production cost.
In order to solve the problem, the technical scheme that the present invention takes is:
The invention provides a kind of making method of environmental and ecological aluming kip, described making method comprises the following steps:
A, immersion: according to every chi
2kip adds the ratio of 4 premium on currency, get out normal-temperature water, and add 0.5g/L immersion agent, 1.0g/L negatively charged ion grease-removing agent, 1.0g/L nonionic grease-removing agent and 0.5g/L soda ash, it is 7.0 that paddling evenly surveys its pH value afterwards, then puts into raw material kip and soaks, throw skin until completely dissolved, paddling 10 ~ 15min per hour, hold over night, cleaning once, then scrapes hair, fleshing;
B, degreasing: according to every chi
2kip adds the ratio of 4 premium on currency, get out water, water temperature is risen to 35 ~ 38 DEG C, and adding 1.5 ~ 2g/L negatively charged ion grease-removing agent, 2.0g/L nonionic grease-removing agent and 0.5g/L soda ash, paddling is even, and surveying its pH value is 7.0, then put into the material after step a process and carry out soak degreasing, soak 2h, in immersion process, paddling fur per hour 10 ~ 15min, carries out secondary fleshing;
C, multiple immersion, softening: according to every chi
2kip adds the ratio of 4 premium on currency, get out normal-temperature water, and it is even to add 2g/L negatively charged ion grease-removing agent, 1.0g/L nonionic grease-removing agent, 1.0 g/L soaking enzyme, 0.5 g/L lipase, 0.5 g/L macerating enzyme and 1.2g/L alkanoic paddling, then the material after step b process is added, add rear paddling 15min, hold over night, surveying its pH value is 6.0 ~ 6.5; Morning next day, water temp. heating to 35 DEG C, soaked 2 ~ 4h with this understanding, allowanced for bark fleshing after immersion;
D, pickling are softened: according to every chi
2kip adds the ratio of 4 premium on currency, gets out water, water temperature is risen to 35 DEG C, and adds 60 g/L salt, 1 ~ 2 g/L fatting agent and 3 g/L formic acid paddlings evenly, adds 1.5 ~ 2 g/L acid bating enzymes, throwing skin paddling 30min per hour after thoroughly dissolving; Add acidicenzym 537 and 2 ~ 4 g/L formic acid after 6 ~ 12h and carry out pickling, acidicenzym 537 adds according to the ratio of often opening kip and add 12 ~ 14 grams of acidicenzyms 537, then paddling 20min, surveying its pH value is 2.8 ~ 3.0, then adding sulfuric acid regulates its pH value to be 2.5 ~ 2.8, soaked overnight, paddling at night 15 ~ 20min, early goes out skin and leave standstill 1 ~ 2 day next day;
E, tannin: according to every chi
2kip adds the ratio of 4 premium on currency, get out water, water temperature is risen to 35 DEG C, then feed in raw material: salt 50 ~ 60g/L, formic acid 0.3 ~ 0.5 g/L, iron removing reagent 0.3 ~ 0.5 g/L, permeate agent 1.0g/L, tanning agent 5 g/L, sodium formiate 2 g/L and soda ash 5 ~ 7g/L;
Mix up the water yield, temperature, and add salt, formic acid, iron removing reagent, permeate agent, tanning agent and sodium formiate according to reinforced requirement, it is even that various material adds rear paddling, now pH value is 4.0, then adds the kip after steps d process, adds rear paddling 10 ~ 15min, stop drawing, spending the night, alkali carried by secondary daily 5 ~ 7g/L soda ash, and divide and carry alkali 6 ~ 8 times, every 30min carries alkali once; Make its pH value reach 7 ~ 7.5, go out skin after 2 hours and leave standstill 2 days;
F, arrangement: the material after conventionally leaving standstill step e carries out water dumping, stretching, extension, wet-milling, seasoning, water spray moisture regain, dry shovel and dry grinding;
G, filling: according to every chi
2kip adds the ratio of 4 premium on currency, gets out water, water temperature is risen to 35 DEG C, add 8 ~ 12g/L synthetic tanning agent paddling even, then add the material after step f arrangement, add rear paddling 30min, left undisturbed overnight, morning next day, rotation was warming up to 35 DEG C, then added 2g/L fatting agent and 0.5g/L formic acid, added paddling 15min after formic acid, left undisturbed overnight, morning next day heats to 35 ~ 38 DEG C, and surveying its pH value is 3.6 ~ 3.8, goes out skin and leaves standstill 1 day;
H, oxidation washing: according to every chi
2kip adds the ratio of 4 premium on currency, gets out water, water temperature is risen to 40 ~ 45 DEG C, and then add 3g/L hydrogen peroxide, 2g/L ammoniacal liquor and 1 ~ 2g/L negatively charged ion grease-removing agent, paddling is even; Then add the material after step g process, continuous paddling goes out skin in 1.5 ~ 2 hours; After going out skin, normal temperature washing once, and washing time is 10 ~ 20min;
I, reduction bleaching: according to every chi
2kip adds the ratio of 4 premium on currency, get out water, water temperature is risen to 55 ~ 60 DEG C, then add 3 ~ 4g/L SYNTHETIC OPTICAL WHITNER, 0.2 ~ 0.4g/L white dyes and 1.5g/L formic acid, paddling is even, and surveying its pH value is 3.5 ~ 3.8, then the material after step h process is added, add rear continuous paddling 60min and go out skin, washing once, is carried out water dumping, linked network is dry after washing;
J, finally arrange: conventionally dried material got damp again, stretch, napping, carding, scald hair, cropping, classification trimming, maintenance and gage bundling warehouse-in.
According to the making method of above-mentioned environmental and ecological aluming kip, add in steps d 60 g/L salt, 1 ~ 2 g/L fatting agent and 3 g/L formic acid paddlings evenly after, surveying its pH value is 4.0 ~ 4.5.
According to the making method of above-mentioned environmental and ecological aluming kip, in step e, sodium formiate adds at twice, interval 60min between twice.
According to the making method of above-mentioned environmental and ecological aluming kip, add 2g/L fatting agent and 0.5g/L formic acid described in step g, wherein formic acid adds four times, and four times joining day interval is 60min.
According to the making method of above-mentioned environmental and ecological aluming kip, the formic acid of 1.5g/L described in step I adds for twice, and first time adds 0.5g/L formic acid, adds 1.0g/L formic acid after 30 minutes.
positive beneficial effect of the present invention:
Make aluming kip by technical solution of the present invention, the sewage produced in making processes, pollutent are less, are conducive to environmental protection; And the product that the present invention makes has, and light is pure white, dermatotome is plentiful, frivolous softness, oxidation-reduction resistance can strong, acid and alkali-resistance, sweat proof, preservative property strong, odorless, shrinkage temperature are high, good springiness and the feature such as Color is good.Prepare aluming kip by the technology of the present invention method can reduce environmental pollution, reduce the associated maintenance expenses such as waste water treatment, thus reduce production cost.
four, embodiment:
Set forth the present invention further below in conjunction with embodiment, but do not limit content of the present invention.
Embodiment 1:
The making method of the environmental and ecological aluming kip of the present invention, the detailed step of described making method is as follows:
A, immersion: according to every chi
2kip adds the ratio of 4 premium on currency, get out normal-temperature water, and add 0.5g/L immersion agent, 1.0g/L negatively charged ion grease-removing agent, 1.0g/L nonionic grease-removing agent and 0.5g/L soda ash, it is 7.0 that paddling evenly surveys its pH value afterwards, then puts into raw material kip and soaks, throw skin until completely dissolved, paddling 10 ~ 15min per hour, hold over night, cleaning once, then scrapes hair, fleshing;
B, degreasing: according to every chi
2kip adds the ratio of 4 premium on currency, get out water, water temperature is risen to 35 ~ 38 DEG C, and adding 1.5 ~ 2g/L negatively charged ion grease-removing agent, 2.0g/L nonionic grease-removing agent and 0.5g/L soda ash, paddling is even, and surveying its pH value is 7.0, then put into the material after step a process and carry out soak degreasing, soak 2h, in immersion process, paddling fur per hour 10 ~ 15min, carries out secondary fleshing;
C, multiple immersion, softening: according to every chi
2kip adds the ratio of 4 premium on currency, get out normal-temperature water, and it is even to add 2g/L negatively charged ion grease-removing agent, 1.0g/L nonionic grease-removing agent, 1.0 g/L soaking enzyme, 0.5 g/L lipase, 0.5 g/L macerating enzyme and 1.2g/L alkanoic paddling, then the material after step b process is added, add rear paddling 15min, hold over night, surveying its pH value is 6.0 ~ 6.5; Morning next day, water temp. heating to 35 DEG C, soaked 2 ~ 4h with this understanding, allowanced for bark fleshing after immersion;
D, pickling are softened: according to every chi
2kip adds the ratio of 4 premium on currency, gets out water, water temperature is risen to 35 DEG C, and it is even to add 60 g/L salt, 1 ~ 2 g/L fatting agent and 3 g/L formic acid paddlings, surveying its pH value is 4.0 ~ 4.5, adds 1.5 ~ 2 g/L acid bating enzymes, throwing skin paddling 30min per hour after thoroughly dissolving; Add acidicenzym 537 and 2 ~ 4 g/L formic acid after 6 ~ 12h and carry out pickling, acidicenzym 537 adds according to the ratio of often opening kip and add 12 ~ 14 grams of acidicenzyms 537, then paddling 20min, surveying its pH value is 2.8 ~ 3.0, then adding sulfuric acid regulates its pH value to be 2.5 ~ 2.8, soaked overnight, paddling at night 15 ~ 20min, early goes out skin and leave standstill 1 ~ 2 day next day;
E, tannin: according to every chi
2kip adds the ratio of 4 premium on currency, get out water, water temperature is risen to 35 DEG C, then feed in raw material: salt 50 ~ 60g/L, formic acid 0.3 ~ 0.5 g/L, iron removing reagent 0.3 ~ 0.5 g/L, permeate agent 1.0g/L, tanning agent 5 g/L, sodium formiate 2 g/L(sodium formiate add at twice, interval 60min between twice) and soda ash 5 ~ 7g/L;
Mix up the water yield, temperature, and add salt, formic acid, iron removing reagent, permeate agent, tanning agent and sodium formiate according to reinforced requirement, it is even that various material adds rear paddling, now pH value is 4.0, then adds the kip after steps d process, adds rear paddling 10 ~ 15min, stop drawing, spending the night, alkali carried by secondary daily 5 ~ 7g/L soda ash, and divide and carry alkali 6 ~ 8 times, every 30min carries alkali once; Make its pH value reach 7 ~ 7.5, go out skin after 2 hours and leave standstill 2 days;
F, arrangement: the material after conventionally leaving standstill step e carries out water dumping, stretching, extension, wet-milling, seasoning, water spray moisture regain, dry shovel and dry grinding;
G, filling: according to every chi
2kip adds the ratio of 4 premium on currency, get out water, water temperature is risen to 35 DEG C, add 8 ~ 12g/L synthetic tanning agent paddling even, then the material after step f arrangement is added, add rear paddling 30min, left undisturbed overnight, morning next day, rotation was warming up to 35 DEG C, and (formic acid adds four times then to add 2g/L fatting agent and 0.5g/L formic acid, four times joining day interval is 60min), add paddling 15min after formic acid, left undisturbed overnight, heats to 35 ~ 38 DEG C morning next day, surveying its pH value is 3.6 ~ 3.8, goes out skin and leaves standstill 1 day;
H, oxidation washing: according to every chi
2kip adds the ratio of 4 premium on currency, gets out water, water temperature is risen to 40 ~ 45 DEG C, and then add 3g/L hydrogen peroxide, 2g/L ammoniacal liquor and 1 ~ 2g/L negatively charged ion grease-removing agent, paddling is even; Then add the material after step g process, continuous paddling goes out skin in 1.5 ~ 2 hours; After going out skin, normal temperature washing once, and washing time is 10 ~ 20min;
I, reduction bleaching: according to every chi
2kip adds the ratio of 4 premium on currency, get out water, water temperature is risen to 55 ~ 60 DEG C, (1.5g/L formic acid adds for twice then to add 3 ~ 4g/L SYNTHETIC OPTICAL WHITNER, 0.2 ~ 0.4g/L white dyes and 1.5g/L formic acid, first time adds 0.5g/L formic acid, 1.0g/L formic acid is added after 30 minutes), paddling is even, and surveying its pH value is 3.5 ~ 3.8, then the material after step h process is added, add rear continuous paddling 60min and go out skin, washing once, is carried out water dumping, linked network is dry after washing;
J, finally arrange: conventionally dried material got damp again, stretch, napping, carding, scald hair, cropping, classification trimming, maintenance and gage bundling warehouse-in.
Claims (5)
1. a making method for environmental and ecological aluming kip, is characterized in that, described making method comprises the following steps:
A, immersion: according to every chi
2kip adds the ratio of 4 premium on currency, get out normal-temperature water, and add 0.5g/L immersion agent, 1.0g/L negatively charged ion grease-removing agent, 1.0g/L nonionic grease-removing agent and 0.5g/L soda ash, it is 7.0 that paddling evenly surveys its pH value afterwards, then puts into raw material kip and soaks, throw skin until completely dissolved, paddling 10 ~ 15min per hour, hold over night, cleaning once, then scrapes hair, fleshing;
B, degreasing: according to every chi
2kip adds the ratio of 4 premium on currency, get out water, water temperature is risen to 35 ~ 38 DEG C, and adding 1.5 ~ 2g/L negatively charged ion grease-removing agent, 2.0g/L nonionic grease-removing agent and 0.5g/L soda ash, paddling is even, and surveying its pH value is 7.0, then put into the material after step a process and carry out soak degreasing, soak 2h, in immersion process, paddling fur per hour 10 ~ 15min, carries out secondary fleshing;
C, multiple immersion, softening: according to every chi
2kip adds the ratio of 4 premium on currency, get out normal-temperature water, and it is even to add 2g/L negatively charged ion grease-removing agent, 1.0g/L nonionic grease-removing agent, 1.0 g/L soaking enzyme, 0.5 g/L lipase, 0.5 g/L macerating enzyme and 1.2g/L alkanoic paddling, then the material after step b process is added, add rear paddling 15min, hold over night, surveying its pH value is 6.0 ~ 6.5; Morning next day, water temp. heating to 35 DEG C, soaked 2 ~ 4h with this understanding, allowanced for bark fleshing after immersion;
D, pickling are softened: according to every chi
2kip adds the ratio of 4 premium on currency, gets out water, water temperature is risen to 35 DEG C, and adds 60 g/L salt, 1 ~ 2 g/L fatting agent and 3 g/L formic acid paddlings evenly, adds 1.5 ~ 2 g/L acid bating enzymes, throwing skin paddling 30min per hour after thoroughly dissolving; Add acidicenzym 537 and 2 ~ 4 g/L formic acid after 6 ~ 12h and carry out pickling, acidicenzym 537 adds according to the ratio of often opening kip and add 12 ~ 14 grams of acidicenzyms 537, then paddling 20min, surveying its pH value is 2.8 ~ 3.0, then adding sulfuric acid regulates its pH value to be 2.5 ~ 2.8, soaked overnight, paddling at night 15 ~ 20min, early goes out skin and leave standstill 1 ~ 2 day next day;
E, tannin: according to every chi
2kip adds the ratio of 4 premium on currency, get out water, water temperature is risen to 35 DEG C, then feed in raw material: salt 50 ~ 60g/L, formic acid 0.3 ~ 0.5 g/L, iron removing reagent 0.3 ~ 0.5 g/L, permeate agent 1.0g/L, tanning agent 5 g/L, sodium formiate 2 g/L and soda ash 5 ~ 7g/L;
Mix up the water yield, temperature, and add salt, formic acid, iron removing reagent, permeate agent, tanning agent and sodium formiate according to reinforced requirement, it is even that various material adds rear paddling, now pH value is 4.0, then adds the kip after steps d process, adds rear paddling 10 ~ 15min, stop drawing, spending the night, alkali carried by secondary daily 5 ~ 7g/L soda ash, and divide and carry alkali 6 ~ 8 times, every 30min carries alkali once; Make its pH value reach 7 ~ 7.5, go out skin after 2 hours and leave standstill 2 days;
F, arrangement: the material after conventionally leaving standstill step e carries out water dumping, stretching, extension, wet-milling, seasoning, water spray moisture regain, dry shovel and dry grinding;
G, filling: according to every chi
2kip adds the ratio of 4 premium on currency, gets out water, water temperature is risen to 35 DEG C, add 8 ~ 12g/L synthetic tanning agent paddling even, then add the material after step f arrangement, add rear paddling 30min, left undisturbed overnight, morning next day, rotation was warming up to 35 DEG C, then added 2g/L fatting agent and 0.5g/L formic acid, added paddling 15min after formic acid, left undisturbed overnight, morning next day heats to 35 ~ 38 DEG C, and surveying its pH value is 3.6 ~ 3.8, goes out skin and leaves standstill 1 day;
H, oxidation washing: according to every chi
2kip adds the ratio of 4 premium on currency, gets out water, water temperature is risen to 40 ~ 45 DEG C, and then add 3g/L hydrogen peroxide, 2g/L ammoniacal liquor and 1 ~ 2g/L negatively charged ion grease-removing agent, paddling is even; Then add the material after step g process, continuous paddling goes out skin in 1.5 ~ 2 hours; After going out skin, normal temperature washing once, and washing time is 10 ~ 20min;
I, reduction bleaching: according to every chi
2kip adds the ratio of 4 premium on currency, get out water, water temperature is risen to 55 ~ 60 DEG C, then add 3 ~ 4g/L SYNTHETIC OPTICAL WHITNER, 0.2 ~ 0.4g/L white dyes and 1.5g/L formic acid, paddling is even, and surveying its pH value is 3.5 ~ 3.8, then the material after step h process is added, add rear continuous paddling 60min and go out skin, washing once, is carried out water dumping, linked network is dry after washing;
J, finally arrange: conventionally dried material got damp again, stretch, napping, carding, scald hair, cropping, classification trimming, maintenance and gage bundling warehouse-in.
2. the making method of environmental and ecological aluming kip according to claim 1, is characterized in that: add in steps d 60 g/L salt, 1 ~ 2 g/L fatting agent and 3 g/L formic acid paddlings evenly after, surveying its pH value is 4.0 ~ 4.5.
3. the making method of environmental and ecological aluming kip according to claim 1, is characterized in that: in step e, sodium formiate adds at twice, interval 60min between twice.
4. the making method of environmental and ecological aluming kip according to claim 1, it is characterized in that: add 2g/L fatting agent and 0.5g/L formic acid described in step g, wherein formic acid adds four times, four times joining day interval is 60min.
5. the making method of environmental and ecological aluming kip according to claim 1, is characterized in that: the formic acid of 1.5g/L described in step I adds for twice, and first time adds 0.5g/L formic acid, adds 1.0g/L formic acid after 30 minutes.
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| CN105063251A (en) * | 2015-08-28 | 2015-11-18 | 焦作隆丰皮草企业有限公司 | Aqueous degreasing method for shorn sheepskin |
| CN105648122A (en) * | 2016-01-26 | 2016-06-08 | 青铜峡市兴泰皮草有限责任公司 | Kid lamb skin tanning process using amphoteric vegetable tanning agent |
| CN105969919A (en) * | 2016-06-12 | 2016-09-28 | 桐乡市恒球皮草制品有限公司 | Tanning process for making fur from raw fox skins |
| CN106011324A (en) * | 2016-06-12 | 2016-10-12 | 桐乡市恒球皮草制品有限公司 | Tanning process for kid lamb skin and Hu sheep skin |
| 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 |
| CN111304381A (en) * | 2020-03-17 | 2020-06-19 | 焦作隆丰皮草企业有限公司 | Pickling softener, ecological tanning agent and production process of soil-fattened wool leather |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105063251A (en) * | 2015-08-28 | 2015-11-18 | 焦作隆丰皮草企业有限公司 | Aqueous degreasing method for shorn sheepskin |
| CN105648122A (en) * | 2016-01-26 | 2016-06-08 | 青铜峡市兴泰皮草有限责任公司 | Kid lamb skin tanning process using amphoteric vegetable tanning agent |
| CN105648122B (en) * | 2016-01-26 | 2017-12-26 | 青铜峡市兴泰皮草有限责任公司 | Cunning sub- skin amphimixis tanning agent process for tanning |
| CN105969919A (en) * | 2016-06-12 | 2016-09-28 | 桐乡市恒球皮草制品有限公司 | Tanning process for making fur from raw fox skins |
| CN106011324A (en) * | 2016-06-12 | 2016-10-12 | 桐乡市恒球皮草制品有限公司 | Tanning process for kid lamb skin and Hu sheep skin |
| 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 |
| CN111304381A (en) * | 2020-03-17 | 2020-06-19 | 焦作隆丰皮草企业有限公司 | Pickling softener, ecological tanning agent and production process of soil-fattened wool leather |
| CN111304381B (en) * | 2020-03-17 | 2022-04-08 | 焦作隆丰皮草企业有限公司 | Pickling softener, ecological tanning agent and production process of soil-fattened wool leather |
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| CN104673943B (en) | 2017-12-01 |
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