CN106521048A - Double-face leather integrated dyeing technology for lambskin - Google Patents
Double-face leather integrated dyeing technology for lambskin Download PDFInfo
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- CN106521048A CN106521048A CN201610956062.9A CN201610956062A CN106521048A CN 106521048 A CN106521048 A CN 106521048A CN 201610956062 A CN201610956062 A CN 201610956062A CN 106521048 A CN106521048 A CN 106521048A
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- hair
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- 239000010985 leather Substances 0.000 title claims abstract description 65
- 238000004043 dyeing Methods 0.000 title claims abstract description 27
- 238000005516 engineering process Methods 0.000 title abstract description 6
- 210000004209 hair Anatomy 0.000 claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000002994 raw material Substances 0.000 claims abstract description 28
- 238000005554 pickling Methods 0.000 claims abstract description 22
- 238000005406 washing Methods 0.000 claims abstract description 17
- 239000002253 acid Substances 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 12
- 238000005238 degreasing Methods 0.000 claims abstract description 10
- 238000005108 dry cleaning Methods 0.000 claims abstract description 9
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 9
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 6
- 235000013372 meat Nutrition 0.000 claims abstract description 5
- 150000003839 salts Chemical class 0.000 claims description 32
- 239000000975 dye Substances 0.000 claims description 31
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 24
- 235000019687 Lamb Nutrition 0.000 claims description 22
- 238000007654 immersion Methods 0.000 claims description 16
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 235000019253 formic acid Nutrition 0.000 claims description 12
- 235000011149 sulphuric acid Nutrition 0.000 claims description 12
- 239000001117 sulphuric acid Substances 0.000 claims description 12
- 210000002268 wool Anatomy 0.000 claims description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 238000005237 degreasing agent Methods 0.000 claims description 8
- 239000013527 degreasing agent Substances 0.000 claims description 8
- 239000003153 chemical reaction reagent Substances 0.000 claims description 6
- 229910001651 emery Inorganic materials 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 5
- 239000004902 Softening Agent Substances 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 239000008267 milk Substances 0.000 claims description 4
- 210000004080 milk Anatomy 0.000 claims description 4
- 235000013336 milk Nutrition 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 238000001238 wet grinding Methods 0.000 claims description 4
- 241000628997 Flos Species 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000007598 dipping method Methods 0.000 abstract 2
- 235000011124 aluminium ammonium sulphate Nutrition 0.000 abstract 1
- LCQXXBOSCBRNNT-UHFFFAOYSA-K ammonium aluminium sulfate Chemical compound [NH4+].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O LCQXXBOSCBRNNT-UHFFFAOYSA-K 0.000 abstract 1
- 238000002803 maceration Methods 0.000 abstract 1
- 241000283898 Ovis Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- WZUKKIPWIPZMAS-UHFFFAOYSA-K Ammonium alum Chemical compound [NH4+].O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O WZUKKIPWIPZMAS-UHFFFAOYSA-K 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- 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
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/30—Chemical tanning using physical means combined with chemical means
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention relates to the technical field of processing of animal fur, in particular to a double-face leather integrated dyeing technology for lambskin. The double-face leather integrated dyeing technology for the lambskin comprises the following steps of selecting skin, dipping the skin in water, removing meat, conducting degreasing, conducting acid maceration, conducting deacidification, stretching the skin, conducting secondary degreasing, conducting pickling, conducting primary tanning, conducting moisture regaining shaving softness, conducting buffing, dipping the skin in water again, conducting retanning, conducting wet buffing, conducting washing and drying, conducting sanding to achieve raising, conducting dry cleaning, dyeing fur, conducting neutralization, conducting board dyeing and fat liquoring, conducting moisture regaining and softening, conducting stretching and inspecting and accepting finished products. According to the double-face leather integrated dyeing technology for the lambskin, lambskin double-face leather raw materials are selected for the double-face leather integrated dyeing process, tanning and dyeing treatment are conducted on fleece and leather boards in a segmented manner, the temperature, the time, the addition of auxiliaries and the like are controlled to be in the best range, and the phenomena that the lambskin is prone to show green and fur is prone to remain are avoided; and besides, in the tanning process, ammonium alum and zirconium are used for primary tanning, then the technological process of low-chromium-content retanning is conducted, in this way, the softness of the lambskin as the double-face leather is greatly improved, and the thickness of the leather board is greatly improved.
Description
Technical field：
The present invention relates to animal fur processing technique field, the fur leather integrated dyeing of more particularly to a kind of lamb.
Background technology：
Lambskin is the fur of the lamb extracted on the body of lamb, is used as carpet, thermal insulation article, can also do lambskin decorations
Product.With the development and the continuous improvement of living standards of the people of society, people's wears day one to modish, is made using lambskin
Product multiple exit it is American-European sub-, the extremely consistent favorable comment of client.At present, generally lambskin is entered using chrome tanning agent in prior art
Product is processed in row tanning, and finished product obtained in processing has high temperature resistant, heat stability good, leather body is plentiful, it is soft the advantages of, but
It is that chrome tanning resultant Leather is under the influence of certain condition, wherein micro trivalent chromium can be converted into Cr VI, and which is serious carcinogenic
Material, and Chrome Tanning Process also can cause severe contamination to environment, therefore, exploitation cleaning, the Chrome-free technology of environmental protection and product tool
There is important realistic meaning.For this purpose, applicant develops a kind of fur leather integrated work of employing NEW TYPE OF COMPOSITE tanning agent tanning lamb
Skill, while lambskin can be improved as the minimal thickness of the pliability and dermatotome of double-face leather.
The content of the invention：
It is an object of the invention to provide a kind of fur leather integrated dyeing of lamb, which can be using NEW TYPE OF COMPOSITE tanning agent to lamb
Corii Caprae seu Oviss carry out double-face leather dyeing, not only make dermatotome soft, and fur dyeing firmly, solves Yi Luqing, stays the phenomenons such as hair, and can
Improve lambskin as the minimal thickness of the pliability and dermatotome of double-face leather.
For achieving the above object, the present invention is adopted the following technical scheme that：A kind of fur leather integrated dyeing of lamb, including
Following steps：
S1：Select skin：Lamb dermatotome of the rawhide without disability is selected to remove from office raw material as hair；
S2：Immersion：Hair is removed from office into raw material and water with 1:10 proportionings under normal temperature condition, add 0.3g/L return fresh dose soaked
Bubble 24h；
S3：Fleshing：Meat hair leather raw material after immersion removed with fleshing machine on dermatotome is miscellaneous, oily miscellaneous；
S4：Defat：Hair after fleshing is processed removes from office raw material and water with 1:20 proportioning, in temperature be 45 DEG C～50 DEG C conditions
Under, add the degreasing agent of 3～5g/L to carry out 1～2h of defat；
S5：Pickling softens：Hair after defat is removed from office into raw material and water with 1:20 proportioning, in temperature be 35 DEG C～40 DEG C conditions
Under, the formic acid of 3～5ml/L of addition, the sulphuric acid of 3～4ml/L, the salt of 40～60g/L, the fur softening agent of 1～2g/L are soaked
48～60h of aching and limpization；
S6：Go acid：Hair after pickling is softened removes from office raw material and water with 1:20 proportioning, in temperature be 30 DEG C～40 DEG C conditions
Under, add the salt of 30～50g/L, the soda of 3～7g/L to carry out 3～7h of acid；
S7：Stretch：The wool leather plate gone after acid is carried with stretching machine and being stretched, further carry out loose fiber；
S8：Secondary degreasing：By the Mao Geyu water after stretching, extension with 1:20 proportioning, under the conditions of temperature is 45 DEG C～50 DEG C,
The degreasing agent of 3～5g/L is added to carry out 1～2h of defat；
S9：Pickling：By the Mao Geyu water after secondary degreasing with 1:20 proportioning, under the conditions of temperature is 30 DEG C～40 DEG C,
The sulphuric acid of 2～3ml/L, the salt of 30～50g/L is added to carry out pickling 3h；
S10：First tan：By the Mao Geyu water after pickling with 1:15 proportioning, under the conditions of temperature is 35 DEG C～40 DEG C, in tan
After adding first tan reagent to carry out tanning 12h in control equipment, after adding the soda 2～3h of rotation of 1～2g/L, peeling is carried out dry
It is dry；
S11：Moisture regain cuts open soft：The hair leather after first tan is carried out into moisture regain with splitter and cuts open supple-settlement；
S12：Mill skin：By moisture regain cut open it is soft after wool leather plate fine sand disc sharpener mill skin；
S13：It is multiple to soak：The Mao Geyu water after skin is processed will be ground with 1:20 proportioning, under normal temperature condition, add 30～
The salt of 40g/L, the sulphuric acid of 0.5～1.0ml/L carry out 2～3h of immersion；
S14：Retanning：By the Mao Geyu water after multiple immersion with 1:20 proportioning, under the conditions of temperature is 30 DEG C～35 DEG C, plus
Entering retanning reagent carries out 48～50h of tanning；
S15：Wet grinding skin：The hair leather after retanning is carried out into mill skin with wet milk；
S16：Washing and drying：The Mao Geyu water after skin will be ground with 1:20 proportioning, carries out 30～60min of washing under room temperature
Afterwards, it is dried；
S17：Mill skin raising：Skin is ground with emery wheel to carry out grinding skin raising by the hair leather after washing and drying；
S18：Dry-cleaning：Carry out washing skin by the hair leather after skin raising is ground with dry cleaner；
S19：Dye hair：By the Mao Geyu water after dry-cleaning with 1:20 proportioning, under the conditions of temperature is 60 DEG C～65 DEG C, adds
After the equal dye auxiliary agent of 0.5～1ml/L, the dyestuff of 3～5g/L, the formic acid of 1.0～1.5ml/L carry out 2～3h of dyeing, 8 are added
The fatting agent of～10ml/L dyes 2～3h, is removed the peel；
S20：Neutralization：The Mao Geyu water after hair will be contaminated with 1:20 proportioning, under the conditions of temperature is 30 DEG C～40 DEG C, adds
The ammonia of 2～3ml/L, the nertralizer of 3～4ml/L, the salt of 40～50g/L are neutralized 1h；
S21：Dye plate stuffing：By the Mao Geyu water after neutralization with 1:20 proportioning, under the conditions of temperature is 20 DEG C～25 DEG C,
The salt of 30～40g/L of addition, the dyestuff of 3～5g/L, the fatting agent of 8～16ml/L, the formic acid of 1～1.5ml/L carry out dye plate and add
After 6～8h of fat, it is dried；
S22：Moisture regain turns soft：Hair leather after dye plate stuffing is carried out into moisture regain and turns supple-settlement；
S23：Stretch：To be got damp again with stretching machine turn it is soft after wool leather plate carry out stretching, extension and even up；
S24：Check and accept finished product.
Described in step 10, just tan reagent includes the salt of 30～50g/L, 20～30g/L ammonia-alums, the zirconium tanning of 5～10g/L
Agent and the fatting agent of 3～5ml/L.
Retanning reagent described in step 14 includes the salt of 40～50g/L, the chromium powder of 10～30g/L, the stuffing of 4～6ml/L
Agent.
Emery wheel mill skin of the skin raising using 800～1000 mesh is ground described in step 17.
The present invention is carried out in double-face leather dyeing course from lamb fur leather raw material, and segmentation carries out tan to fleece and dermatotome
System and dyeing are processed, and the control such as auxiliary agent of its temperature, time and addition in optimum range not only solves lambskin and easily reveals
It is blue or green, stay in the phenomenons, and tannery such as hair that first just tan carries out tanning using ammonia-alum and zirconium, then using the work of light chrome retanned
Skill flow process, makes lambskin substantially improve as the minimal thickness of the pliability and dermatotome of double-face leather.Therefore, using above-mentioned technical side
Baby lamb leather dermatotome and fleece even dyeing, color fastness height that case is dyed, made lamb leathercraft, such as clothing etc., no
Only there is the characteristics of added value is high, practicality is good, and can be bigger raising product benefit and reduce production cost.
Description of the drawings：
Fig. 1 is the process chart of the present invention.
Specific embodiment：
The present invention is described in further detail below in conjunction with accompanying drawing and by specific embodiment, but its should not be construed as it is right
The restriction of the scope of the present invention.
Embodiment 1
Raw material：Kid Corii Caprae seu Oviss
Its lamb double-face leather dyeing, comprises the following steps：
S1：Select skin：Lamb dermatotome of the rawhide without disability is selected to remove from office raw material as hair；
S2：Immersion：Hair is removed from office into raw material and water with 1:10 proportionings under normal temperature condition, add 0.3g/L return fresh dose soaked
Bubble 24h；
S3：Fleshing：Meat hair leather raw material after immersion removed with fleshing machine on dermatotome is miscellaneous, oily miscellaneous；
S4：Defat：Hair after fleshing is processed removes from office raw material and water with 1:20 proportioning, in temperature be 45 DEG C～50 DEG C conditions
Under, add the degreasing agent of 3～5g/L to carry out 1～2h of defat；
S5：Pickling softens：Hair after defat is removed from office into raw material and water with 1:20 proportioning, in temperature be 35 DEG C～40 DEG C conditions
Under, the formic acid of 3～5ml/L of addition, the sulphuric acid of 3～4ml/L, the salt of 40～60g/L, the fur softening agent of 1～2g/L are soaked
48～60h of aching and limpization；
S6：Go acid：Hair after pickling is softened removes from office raw material and water with 1:20 proportioning, in temperature be 30 DEG C～40 DEG C conditions
Under, add the salt of 30～50g/L, the soda of 3～7g/L to carry out 3～7h of acid；
S7：Stretch：The wool leather plate gone after acid is carried with stretching machine and being stretched, further carry out loose fiber；
S8：Secondary degreasing：By the Mao Geyu water after stretching, extension with 1:20 proportioning, under the conditions of temperature is 45 DEG C～50 DEG C,
The degreasing agent of 3～5g/L is added to carry out 1～2h of defat；
S9：Pickling：By the Mao Geyu water after secondary degreasing with 1:20 proportioning, under the conditions of temperature is 30 DEG C～40 DEG C,
The sulphuric acid of 2～3ml/L, the salt of 30～50g/L is added to carry out pickling 3h；
S10：First tan：By the Mao Geyu water after pickling with 1:15 proportioning, under the conditions of temperature is 35 DEG C～40 DEG C, in tan
The fatting agent of salt, 20～30g/L ammonia-alums, the zirconium tanning agent of 5～10g/L and the 3～5ml/L of 30～50g/L is added in control equipment
After carrying out tanning 12h, after adding the soda 2～3h of rotation of 1～2g/L, peeling drying is carried out；
S11：Moisture regain cuts open soft：The hair leather after first tan is carried out into moisture regain with splitter and cuts open supple-settlement；
S12：Mill skin：By moisture regain cut open it is soft after wool leather plate fine sand disc sharpener mill skin；
S13：It is multiple to soak：The Mao Geyu water after skin is processed will be ground with 1:20 proportioning, under normal temperature condition, add 30～
The salt of 40g/L, the sulphuric acid of 0.5～1.0ml/L carry out 2～3h of immersion；
S14：Retanning：By the Mao Geyu water after multiple immersion with 1:20 proportioning, under the conditions of temperature is 30 DEG C～35 DEG C, plus
Entering the salt of 40～50g/L, the chromium powder of 10～30g/L, the fatting agent of 4～6ml/L carries out 48～50h of tanning；
S15：Wet grinding skin：The hair leather after retanning is carried out into mill skin with wet milk；
S16：Washing and drying：The Mao Geyu water after skin will be ground with 1:20 proportioning, carries out 30～60min of washing under room temperature
Afterwards, it is dried；
S17：Mill skin raising：The hair leather after washing and drying is carried out grinding skin raising using the emery wheel mill skin of 800～1000 mesh；
S18：Dry-cleaning：Carry out washing skin by the hair leather after skin raising is ground with dry cleaner；
S19：Dye hair：By the Mao Geyu water after dry-cleaning with 1:20 proportioning, under the conditions of temperature is 60 DEG C～65 DEG C, adds
After the equal dye auxiliary agent of 0.5～1ml/L, the dyestuff of 3～5g/L, the formic acid of 1.0～1.5ml/L carry out 2～3h of dyeing, 8 are added
The fatting agent of～10g/t dyes 2～3h, is removed the peel；
S20：Neutralization：The Mao Geyu water after hair will be contaminated with 1:20 proportioning, under the conditions of temperature is 30 DEG C～40 DEG C, adds
The ammonia of 2～3ml/L, the nertralizer of 3～4ml/L, the salt of 40～50g/L are neutralized 1h；
S21：Dye plate stuffing：By the Mao Geyu water after neutralization with 1:20 proportioning, under the conditions of temperature is 20 DEG C～25 DEG C,
The salt of 30～40g/L of addition, the dyestuff of 3～5g/L, the fatting agent of 8～16ml/L, the formic acid of 1～1.5ml/L carry out dye plate and add
After 6～8h of fat, it is dried；
S22：Moisture regain turns soft：Hair leather after dye plate stuffing is carried out into moisture regain and turns supple-settlement；
S23：Stretch：To be got damp again with stretching machine turn it is soft after wool leather plate carry out stretching, extension and even up；
S24：Check and accept finished product.
Embodiment 2
Raw material：Tan-sheep Lamb skin
Its lamb double-face leather dyeing, comprises the following steps：
S1：Select skin：Lamb dermatotome of the rawhide without disability is selected to remove from office raw material as hair；
S2：Immersion：Hair is removed from office into raw material and water with 1:10 proportionings under normal temperature condition, add 0.3g/L return fresh dose soaked
Bubble 24h；
S3：Fleshing：Meat hair leather raw material after immersion removed with fleshing machine on dermatotome is miscellaneous, oily miscellaneous；
S4：Defat：Hair after fleshing is processed removes from office raw material and water with 1:20 proportioning, in temperature be 45 DEG C～50 DEG C conditions
Under, add the degreasing agent of 3～5g/L to carry out 1～2h of defat；
S5：Pickling softens：Hair after defat is removed from office into raw material and water with 1:20 proportioning, in temperature be 35 DEG C～40 DEG C conditions
Under, the formic acid of 3～5ml/L of addition, the sulphuric acid of 3～4ml/L, the salt of 40～60g/L, the fur softening agent of 1～2g/L are soaked
48～60h of aching and limpization；
S6：Go acid：Hair after pickling is softened removes from office raw material and water with 1:20 proportioning, in temperature be 30 DEG C～40 DEG C conditions
Under, add the salt of 30～50g/L, the soda of 3～7g/L to carry out 3～7h of acid；
S7：Stretch：The wool leather plate gone after acid is carried with stretching machine and being stretched, further carry out loose fiber；
S8：Secondary degreasing：By the Mao Geyu water after stretching, extension with 1:20 proportioning, under the conditions of temperature is 45 DEG C～50 DEG C,
The degreasing agent of 3～5g/L is added to carry out 1～2h of defat；
S9：Pickling：By the Mao Geyu water after secondary degreasing with 1:20 proportioning, under the conditions of temperature is 30 DEG C～40 DEG C,
The sulphuric acid of 2～3ml/L, the salt of 30～50g/L is added to carry out pickling 3h；
S10：First tan：By the Mao Geyu water after pickling with 1:15 proportioning, under the conditions of temperature is 35 DEG C～40 DEG C, in tan
The fatting agent of salt, 20～30g/L ammonia-alums, the zirconium tanning agent of 5～10g/L and the 3～5ml/L of 30～50g/L is added in control equipment
After carrying out tanning 12h, after adding the soda 2～3h of rotation of 1～2g/L, peeling drying is carried out；
S11：Moisture regain cuts open soft：The hair leather after first tan is carried out into moisture regain with splitter and cuts open supple-settlement；
S12：Mill skin：By moisture regain cut open it is soft after wool leather plate fine sand disc sharpener mill skin；
S13：It is multiple to soak：The Mao Geyu water after skin is processed will be ground with 1:20 proportioning, under normal temperature condition, add 30～
The salt of 40g/L, the sulphuric acid of 0.5～1.0ml/L carry out 2～3h of immersion；
S14：Retanning：By the Mao Geyu water after multiple immersion with 1:20 proportioning, under the conditions of temperature is 30 DEG C～35 DEG C, plus
Entering the salt of 40～50g/L, the chromium powder of 10～30g/L, the fatting agent of 4～6ml/L carries out 48～50h of tanning；
S15：Wet grinding skin：The hair leather after retanning is carried out into mill skin with wet milk；
S16：Washing and drying：The Mao Geyu water after skin will be ground with 1:20 proportioning, carries out 30～60min of washing under room temperature
Afterwards, it is dried；
S17：Mill skin raising：The hair leather after washing and drying is carried out grinding skin raising using the emery wheel mill skin of 800～1000 mesh；
S18：Dry-cleaning：Carry out washing skin by the hair leather after skin raising is ground with dry cleaner；
S19：Dye hair：By the Mao Geyu water after dry-cleaning with 1:20 proportioning, under the conditions of temperature is 60 DEG C～65 DEG C, adds
After the equal dye auxiliary agent of 0.5～1ml/L, the dyestuff of 3～5g/L, the formic acid of 1.0～1.5ml/L carry out 2～3h of dyeing, 8 are added
The fatting agent of～10g/t dyes 2～3h, is removed the peel；
S20：Neutralization：The Mao Geyu water after hair will be contaminated with 1:20 proportioning, under the conditions of temperature is 30 DEG C～40 DEG C, adds
The ammonia of 2～3ml/L, the nertralizer of 3～4ml/L, the salt of 40～50g/L are neutralized 1h；
S21：Dye plate stuffing：By the Mao Geyu water after neutralization with 1:20 proportioning, under the conditions of temperature is 20 DEG C～25 DEG C,
The salt of 30～40g/L of addition, the dyestuff of 3～5g/L, the fatting agent of 8～16ml/L, the formic acid of 1～1.5ml/L carry out dye plate and add
After 6～8h of fat, it is dried；
S22：Moisture regain turns soft：Hair leather after dye plate stuffing is carried out into moisture regain and turns supple-settlement；
S23：Stretch：To be got damp again with stretching machine turn it is soft after wool leather plate carry out stretching, extension and even up；
S24：Check and accept finished product.
Claims (4)
1. the fur leather integrated dyeing of a kind of lamb, it is characterised in that：Comprise the steps：
S1：Select skin：Lamb dermatotome of the rawhide without disability is selected to remove from office raw material as hair；
S2：Immersion：Hair is removed from office into raw material and water with 1:10 proportionings under normal temperature condition, add 0.3g/L return fresh dose soaked
24h；
S3：Fleshing：Meat hair leather raw material after immersion removed with fleshing machine on dermatotome is miscellaneous, oily miscellaneous；
S4：Defat：Hair after fleshing is processed removes from office raw material and water with 1:20 proportioning, under the conditions of temperature is 45 DEG C～50 DEG C,
The degreasing agent of 3～5g/L is added to carry out 1～2h of defat；
S5：Pickling softens：Hair after defat is removed from office into raw material and water with 1:20 proportioning, under the conditions of temperature is 35 DEG C～40 DEG C,
Add the formic acid of 3～5ml/L, the sulphuric acid of 3～4ml/L, the salt of 40～60g/L, that the fur softening agent of 1～2g/L carries out pickling is soft
Change 48～60h；
S6：Go acid：Hair after pickling is softened removes from office raw material and water with 1:20 proportioning, under the conditions of temperature is 30 DEG C～40 DEG C,
The salt of 30～50g/L, the soda of 3～7g/L is added to carry out 3～7h of acid；
S7：Stretch：The wool leather plate gone after acid is carried with stretching machine and being stretched, further carry out loose fiber；
S8：Secondary degreasing：By the Mao Geyu water after stretching, extension with 1:20 proportioning, under the conditions of temperature is 45 DEG C～50 DEG C, adds 3
The degreasing agent of～5g/L carries out 1～2h of defat；
S9：Pickling：By the Mao Geyu water after secondary degreasing with 1:20 proportioning, under the conditions of temperature is 30 DEG C～40 DEG C, adds 2
The sulphuric acid of～3ml/L, the salt of 30～50g/L carry out pickling 3h；
S10：First tan：By the Mao Geyu water after pickling with 1:15 proportioning, under the conditions of temperature is 35 DEG C～40 DEG C, sets in tanning
After tanning 12h is carried out for the first tan reagent of middle addition, after adding the soda 2～3h of rotation of 1～2g/L, peeling drying is carried out；
S11：Moisture regain cuts open soft：The hair leather after first tan is carried out into moisture regain with splitter and cuts open supple-settlement；
S12：Mill skin：By moisture regain cut open it is soft after wool leather plate fine sand disc sharpener mill skin；
S13：It is multiple to soak：The Mao Geyu water after skin is processed will be ground with 1:20 proportioning, under normal temperature condition, adds 30～40g/L
Salt, the sulphuric acid of 0.5～1.0ml/L carry out 2～3h of immersion；
S14：Retanning：By the Mao Geyu water after multiple immersion with 1:20 proportioning, under the conditions of temperature is 30 DEG C～35 DEG C, adds multiple
Tan reagent carries out 48～50h of tanning；
S15：Wet grinding skin：The hair leather after retanning is carried out into mill skin with wet milk；
S16：Washing and drying：The Mao Geyu water after skin will be ground with 1:20 proportioning, after carrying out 30～60min of washing under room temperature,
It is dried；
S17：Mill skin raising：Skin is ground with emery wheel to carry out grinding skin raising by the hair leather after washing and drying；
S18：Dry-cleaning：Carry out washing skin by the hair leather after skin raising is ground with dry cleaner；
S19：Dye hair：By the Mao Geyu water after dry-cleaning with 1:20 proportioning, under the conditions of temperature is 60 DEG C～65 DEG C, adds 0.5
After the equal dye auxiliary agent of～1ml/L, the dyestuff of 3～5g/L, the formic acid of 1.0～1.5ml/L carry out 2～3h of dyeing, 8 are added～
The fatting agent of 10ml/L dyes 2～3h, is removed the peel；
S20：Neutralization：The Mao Geyu water after hair will be contaminated with 1:20 proportioning, in temperature be 30 DEG C～40 DEG C under the conditions of, add 2～
The ammonia of 3ml/L, the nertralizer of 3～4ml/L, the salt of 40～50g/L are neutralized 1h；
S21：Dye plate stuffing：By the Mao Geyu water after neutralization with 1:20 proportioning, under the conditions of temperature is 20 DEG C～25 DEG C, adds
The salt of 30～40g/L, the dyestuff of 3～5g/L, the fatting agent of 8～16ml/L, the formic acid of 1～1.5ml/L carry out contaminating plate stuffing 6～
After 8h, it is dried；
S22：Moisture regain turns soft：Hair leather after dye plate stuffing is carried out into moisture regain and turns supple-settlement；
S23：Stretch：To be got damp again with stretching machine turn it is soft after wool leather plate carry out stretching, extension and even up；
S24：Check and accept finished product.
2. the fur leather integrated dyeing of lamb according to claim 1, it is characterised in that：Just tan examination described in step 10
Agent includes the fatting agent of the salt of 30～50g/L, 20～30g/L ammonia-alums, the zirconium tanning agent of 5～10g/L and 3～5ml/L.
3. the fur leather integrated dyeing of lamb according to claim 1, it is characterised in that：Retanning described in step 14 is tried
Agent includes the salt of 40～50g/L, the chromium powder of 10～30g/L, the fatting agent of 4～6ml/L.
4. the fur leather integrated dyeing of lamb according to claim 1, it is characterised in that：Grind skin to rise described in step 17
Emery wheel mill skin of the floss using 800～1000 mesh.
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| CN107326121A (en) * | 2017-07-24 | 2017-11-07 | 北京泛博科技有限责任公司 | A kind of sheep leather shoes hair leather preparation method and product |
| CN108004799A (en) * | 2017-12-01 | 2018-05-08 | 焦作隆丰皮草企业有限公司 | It is a kind of to repair color technique for the synthesis dressing agent of hair leather and the synthesis of hair 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 |
| CN109182624A (en) * | 2018-10-17 | 2019-01-11 | 焦作隆丰皮草企业有限公司 | A kind of sheep shearing dye plate waste liquid circulation utilizes method |
| CN110846447A (en) * | 2019-11-25 | 2020-02-28 | 孙建军 | Mink fur leather integrated manufacturing method |
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| CN112376297A (en) * | 2020-08-26 | 2021-02-19 | 焦作隆丰皮草企业有限公司 | Waterproof agent and wool dyeing agent for chrome-free tanned sheep sheared fluff leather and environment-friendly dyeing process for chrome-free tanned sheep sheared fluff leather |
| CN112376297B (en) * | 2020-08-26 | 2023-08-01 | 焦作隆丰皮草企业有限公司 | Waterproof agent, dyeing agent and environment-friendly dyeing process for chrome-free tanned sheep-cut napped leather |
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