CN109439809A - A kind of production method based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather - Google Patents
A kind of production method based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather Download PDFInfo
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- CN109439809A CN109439809A CN201811392997.4A CN201811392997A CN109439809A CN 109439809 A CN109439809 A CN 109439809A CN 201811392997 A CN201811392997 A CN 201811392997A CN 109439809 A CN109439809 A CN 109439809A
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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
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/04—Mineral tanning
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/08—Chemical tanning by organic agents
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
- C14C9/02—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes using fatty or oily materials, e.g. fat liquoring
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Abstract
The present invention relates to tanning chemistry and field of engineering technology, in particular to a kind of production method based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather.A kind of production method based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather of the present invention, buffalo ecology summer sleeping mat leather is prepared by Chrome-free zirconium aluminium titanium complex and vegatable tannin, the crust leather grain of production is careful, it is flexible to remove from office the plentiful softness of body, crust leather shrinkage temperature is higher than 90 DEG C, the pollution of Chrome-free, aldehyde has good properties for follow.This production process is simple, Yi Shixian, and cost is appropriate, is suitble to produce in enormous quantities, use.
Description
Technical field
It is the present invention relates to tanning chemistry and field of engineering technology, in particular to a kind of single based on zirconium aluminium titanium complex and plant
The production method of peaceful preparation buffalo ecology summer sleeping mat leather.
Background technique
Buffalo summer sleeping mat has the characteristics that refrigerant pleasant, ventilative absorbing sweat, wear-resisting durable, smooth comfortable, careful beauty, is a kind of
Traditional product, it is well received in subtropical and tropical zones.But summer sleeping mat be with direct body contact, use traditional tan
Matter technique production buffalo hide summer sleeping mat be it is unsound, buffalo summer sleeping mat production pollution also is caused to environment, especially discharge contain
Chromium waste water, chromium-bearing sludge and solid waste containing chromium；Pollutant containing heavy metal chromium, seriously polluted, processing difficulty, improvement
It is at high cost, wherein trivalent chromium can be converted into Cr VI due to the influence of unfavorable factors such as processing or storing, and Cr VI is one
The serious carcinogen of kind.
Summary of the invention
In view of the above-mentioned problems, the present invention provides one kind based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat
The production method of leather prepares buffalo ecology summer sleeping mat leather by zirconium aluminium titanium complex and vegatable tannin, and the crust leather grain of production is careful
Consolidation, the leather plentiful softness of body is flexible, and crust leather shrinkage temperature is higher than 90 DEG C, and the pollution of Chrome-free, aldehyde has good following process
Energy.This production process is simple, Yi Shixian, and cost is appropriate, is suitble to produce in enormous quantities, use.
The technical solution adopted by the invention is as follows:
A kind of production method based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather, including walk as follows
It is rapid:
S1. grey alkali skin is taken to weigh, the dosage of agents useful for same presses the hundred of the weight in subsequent treatment process step S2~S5
Score meter；
S2. grey alkali skin deashing and softening processing: be added in rotary drum grey alkali skin, 35 DEG C of 60% water, 4% without ammonia deliming agent DLE,
0.3% nonionic degreasing agent AP_N rotates 3h, and macerating enzyme 0.5% is added and rotates 120min, drains water；Then 18 DEG C~20 are added
DEG C, 200% water rotates 15min, and draining repeats 2~3 times；
S3. pickling: 18 DEG C~20 DEG C, 80%~100% water of addition in rotary drum, 6%~8% Nacl, rotation 10~
15min, control Baume degrees Be are 7~8, and 0.6%~0.8% formic acid is added, and rotate 30min, then plus 0.8%~1.0% industry
Sulfuric acid after rotating 120~180min, controls pH 2.8~3.0, the cross section of skin is checked with bromocresol green, it is desirable that full impregnated；
S4. plus tanning agent, alkali carries: by acid solution venting 30%~50% in the step S3,10%~12% zirconium aluminium titanium is added
Complex tanning agent, 0.5%~1.0% sodium formate, after rotating 180~210min；Addition saleratus solution, adjusting pH 4.0~
4.1, rotate 120~180min；
S5. moisturizing heating, washing: adding the water of 38 DEG C~40 DEG C, 100%~150% in rotary drum, rotation 120min was stood
Night after next day drains water, adds 150%~200% normal-temperature water, rotates 6~10min, rouse out；
S6. standing, agent water, shaving, weighing, reagent dosage presses this scytoblastema weighing weight percent in step S7~S10
Meter；
S7. rinse, neutralize, washing: rotary drum is added in scytoblastema obtained by step S6, be added in rotary drum 30 DEG C~35 DEG C,
120%~150% water, 3%~4% Nacl, in 3%~4% and tannin, 0.2%~0.3% rewetting agent, 0.5%~
0.8% sodium bicarbonate rotates 120~180min, adjusts pH value of solution 4.8~5.0, and the cross section of skin is checked with bromocresol green, it is desirable that
Full impregnated；After draining water, 150%~200% normal-temperature water is added, rotates 6~10min, drains；
S8. vegatable tannin, retanning agent are filled: after step S7, addition 28 DEG C~30 DEG C, 80%~100% water, 10%~
15% vegatable tannin, 0.8%~1.0% synthetic oil rotate 60~90min；Add 10%~15% vegatable tannin, 3%~
5% formaldehydeless amino resins retanning agent, 0.8%~1.0% synthetic oil, 120~180min of rotation stop drum overnight；Next day rotation 60
~90min is added 3%~4% acrylic resin retanning agent and rotates 120~180min；
S9. after the step S8,55 DEG C~60 DEG C, 80%~100% water rotation, 10~20min stuffing: is added；It is added
15%~18% fatting agent rotates 120~180min；It adds 1.5%~2.0% formic acid and rotates 60~90min, adjust solution
PH 3.7~3.8；
S10. after the step S9, washing, cooling go out drum, stand；Stretch, wet toggling, get damp again, fall it is soft, taut
Then plate carries out subsequent conventional treatment.
Preferably, the mass concentration of zirconium aluminium titanium complex tanning agent described in the step S4 is 30%~40%；It is described small
The addition of soda carries out by several times, and each interval time is 20~25min, and 0.2%~0.25% sodium bicarbonate is added every time.
Preferably, the mass concentration of vegatable tannin described in the step S8 is 70%~75%；The synthetic oil is preferred
Sulfonated synthetic oil, the sulfonated synthetic oil mass concentration are 55%~60%；The formaldehydeless amino resins retanning agent matter
Measuring concentration is 90%~95%；The acrylic resin retanning agent mass concentration is 25%~32%.
Preferably, fatting agent includes in synthetic fat liquor, chlorosulfonation synthetic oil and synthetic neat's foot oil in the step S9
It is at least one.
Preferably, rotary drum revolving speed is 8~10r/min in the step S2~S5；Rotary drum revolving speed in the step S7~S10
For 12~13r/min.
By adopting the above technical scheme, the invention has the benefit that
(1) the method concrete operations of the zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather are simple, real
Good with property, the summer sleeping mat grain handled by this method is careful, and leather body is submissive plentiful flexible, and crust leather shrinkage temperature is greater than
90 DEG C, gas permeability and absorption of perspiration are good, there is good properties for follow.
(2) method of the zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather, in process implementing process
In do not use chromium powder and chromate-containing materials, pollution of the heavy metal chromium to environment and the harm to human body are completely eliminated from source,
It is a kind of process hides clearer production technology of suitable industrialization with good spatter property and ecological.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Embodiment 1
A kind of production method based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather, including walk as follows
It is rapid:
S1. grey alkali skin is taken to weigh, the dosage of agents useful for same presses the hundred of the weight in subsequent treatment process step S2~S5
Score meter；
S2. grey alkali skin deashing and softening processing: be added in rotary drum grey alkali skin, 35 DEG C 60% of water, 4% without ammonia deliming agent DLE,
0.3% nonionic degreasing agent AP_N rotates 3h, and macerating enzyme 0.5% is added and rotates 120min, drains water；Then 18 DEG C are added,
200% water, rotates 15min, and draining is repeated 2 times；
S3. pickling: in rotary drum be added 18 DEG C, 80% water, 6% Nacl, rotate 10min, control Baume degrees Be be 7~
8, be added 0.6% formic acid rotate 30min, then plus 0.8% industrial sulphuric acid, rotate 120min after, control pH 2.8, use bromocresol green
Check the cross section of skin, it is desirable that full impregnated；
Plus tanning agent, alkali carries S4.: by acid solution venting 30% in the step S3, be added 10% zirconium aluminium titanium complex tanning agent,
0.5% sodium formate, after rotating 180min；Saleratus solution is added, adjusts pH 4.0, rotates 120min；
S5. moisturizing heating, washing: adding the water of 38 DEG C, 100% in rotary drum, rotation 120min is stood overnight, and next day drains water
Afterwards, the normal-temperature water rotation 6min for adding 150%, is roused out；
S6. standing, agent water, shaving, weighing, reagent dosage presses this scytoblastema weighing weight percent in step S7~S10
Meter；
S7. it rinses, neutralize, washing: rotary drum is added in scytoblastema obtained by step S6,30 DEG C, 120% water are added in rotary drum,
3% Nacl, in 3% and tannin, 0.2% rewetting agent, 0.5% sodium bicarbonate rotate 120min, adjust pH value of solution 4.8, use bromine
The green cross section for checking skin of cresols, it is desirable that full impregnated；After draining water, 150% normal-temperature water is added, rotates 6min, drains；
S8. vegatable tannin, retanning agent are filled: after step S7, addition 28 DEG C, 80% water, and 10% vegatable tannin, 0.8%
Synthetic oil rotates 60min；Add 10% vegatable tannin, 3% formaldehydeless amino resins retanning agent, 0.8% synthetic oil, rotation
120min stops drum overnight；Next day rotates 60min, and 3% acrylic resin retanning agent is added and rotates 120min；
S9. after the step S8,55 DEG C, 80% water rotation 10min stuffing: is added；15% synthetic fat liquor is added, turns
Dynamic 120min；1.5% formic acid rotation 60min is added, pH value of solution 3.7 is adjusted；
S10. after the step S9, washing, cooling go out drum, stand；Stretch, wet toggling, get damp again, fall it is soft, taut
Then plate carries out subsequent conventional treatment.
Preferably, the mass concentration of zirconium aluminium titanium complex tanning agent described in the step S4 is 30%；The sodium bicarbonate
It is added and carries out by several times, each interval time is 20min, and 0.2% sodium bicarbonate is added every time.
Preferably, the mass concentration of vegatable tannin described in the step S8 is 70%；The synthetic oil is preferably sulfonated
Synthetic oil, the sulfonated synthetic oil mass concentration are 55%；The formaldehydeless amino resins retanning agent mass concentration is 90%；
The acrylic resin retanning agent mass concentration is 25%.
Preferably, rotary drum revolving speed is 8r/min in the step S2~S5；Rotary drum revolving speed is in the step S7~S10
12r/min。
Embodiment 2
A kind of production method based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather, including walk as follows
It is rapid:
S1. grey alkali skin is taken to weigh, the dosage of agents useful for same presses the hundred of the weight in subsequent treatment process step S2~S5
Score meter；
S2. grey alkali skin deashing and softening processing: be added in rotary drum grey alkali skin, 35 DEG C 60% of water, 4% without ammonia deliming agent DLE,
0.3% nonionic degreasing agent AP_N rotates 3h, and macerating enzyme 0.5% is added, and rotates 120min, drains water；Then 20 DEG C are added,
200% water, rotates 15min, and draining is repeated 3 times；
S3. pickling: being added 20 DEG C, 100% water in rotary drum, and 8% Nacl rotates 15min, and control Baume degrees Be is 7
~8, be added 0.8% formic acid rotate 30min, then plus 1.0% industrial sulphuric acid, rotate 180min after, control pH 3.0, with bromine cresols
The green cross section for checking skin, it is desirable that full impregnated；
Plus tanning agent, alkali carries S4.: by acid solution venting 50% in the step S3, be added 12% zirconium aluminium titanium complex tanning agent,
1.0% sodium formate, after rotating 210min；Saleratus solution is added, adjusts pH 4.1, rotates 180min；
S5. moisturizing heating, washing: adding the water of 40 DEG C, 150% in rotary drum, rotation 120min is stood overnight, and next day drains water
Afterwards, 200% normal-temperature water rotation 10min is added, is roused out；
S6. standing, agent water, shaving, weighing, reagent dosage presses this scytoblastema weighing weight percent in step S7~S10
Meter；
S7. it rinses, neutralize, washing: rotary drum is added in scytoblastema obtained by step S6,35 DEG C, 150% water are added in rotary drum,
4% Nacl, in 4% and tannin, 0.3% rewetting agent, 0.8% sodium bicarbonate rotate 180min, pH value of solution 5.0 are adjusted, with bromine first
The green cross section for checking skin of phenol, it is desirable that full impregnated；After draining water, 200% normal-temperature water is added, rotates 10min, drains；
S8. vegatable tannin, retanning agent are filled: after step S7, addition 30 DEG C, 100% water, and 15% vegatable tannin, 1.0%
Synthetic oil rotates 90min；Add 15% vegatable tannin, 5% formaldehydeless amino resins retanning agent, 1.0% synthetic oil, rotation
180min stops drum overnight；Next day rotates 90min, and 4% acrylic resin retanning agent is added and rotates 180min；
S9. after the step S8,60 DEG C, 100% water rotation 20min stuffing: is added；The synthesis of 18% chlorosulfonation is added
Oil rotates 180min；2.0% formic acid rotation 90min is added, pH value of solution 3.8 is adjusted；
S10. after the step S9, washing, cooling go out drum, stand；Stretch, wet toggling, get damp again, fall it is soft, taut
Then plate carries out subsequent conventional treatment.
Preferably, the mass concentration of zirconium aluminium titanium complex tanning agent described in the step S4 is 40%；The sodium bicarbonate
It is added and carries out by several times, each interval time is 25min, and 0.25% sodium bicarbonate is added every time.
Preferably, the mass concentration of vegatable tannin described in the step S8 is 75%；The synthetic oil is preferably sulfonated
Synthetic oil, the sulfonated synthetic oil mass concentration are 60%；The formaldehydeless amino resins retanning agent mass concentration is 95%；
The acrylic resin retanning agent mass concentration is 32%.
Preferably, rotary drum revolving speed is 10r/min in the step S2~S5；Rotary drum revolving speed is in the step S7~S10
13r/min。
Embodiment 3
A kind of production method based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather, including walk as follows
It is rapid:
S1. grey alkali skin is taken to weigh, the dosage of agents useful for same presses the hundred of the weight in subsequent treatment process step S2~S5
Score meter；
S2. grey alkali skin deashing and softening processing: be added in rotary drum grey alkali skin, 35 DEG C 60% of water, 4% without ammonia deliming agent DLE,
0.3% nonionic degreasing agent AP_N rotates 3h, and macerating enzyme 0.5% is added and rotates 120min, drains water；Then 19 DEG C DEG C are added,
200% water, rotates 15min, and draining is repeated 2 times；
S3. pickling: in rotary drum be added 19 DEG C, 90% water, 7% Nacl, rotate 13min, control Baume degrees Be be 7~
8, be added 0.7% formic acid rotate 30min, then plus 0.9% industrial sulphuric acid, rotate 150min after, control pH2.9, use bromocresol green
Check the cross section of skin, it is desirable that full impregnated；
Plus tanning agent, alkali carries S4.: by acid solution venting 40% in the step S3, be added 11% zirconium aluminium titanium complex tanning agent,
0.8% sodium formate, after rotating 195min；Saleratus solution is added, adjusts pH 4.05, rotates 150min；
S5. moisturizing heating, washing: adding the water of 39 DEG C, 125% in rotary drum, rotation 120min is stood overnight, and next day drains water
Afterwards, the normal-temperature water rotation 8min for adding 175%, is roused out；
S6. standing, agent water, shaving, weighing, reagent dosage presses this scytoblastema weighing weight percent in step S7~S10
Meter；
S7. it rinses, neutralize, washing: rotary drum is added in scytoblastema obtained by step S6,32 DEG C, 130% water are added in rotary drum,
3.5% Nacl, in 3.5% and tannin, 0.25% rewetting agent, 0.7% sodium bicarbonate rotate 150min, adjust pH value of solution 4.9,
The cross section of skin is checked with bromocresol green, it is desirable that full impregnated；After draining water, 180% normal-temperature water is added, rotates 8min, drains；
S8. vegatable tannin, retanning agent are filled: after step S7, addition 29 DEG C, 90% water, and 12% vegatable tannin, 0.9%
Synthetic oil rotates 75min；Add 12% vegatable tannin, 4% formaldehydeless amino resins retanning agent, 0.9% synthetic oil, rotation
150min stops drum overnight；Next day rotates 80min, and 3.5% acrylic resin retanning agent is added and rotates 160min；
S9. after the step S8,58 DEG C, 90% water rotation 15min stuffing: is added；17% synthetic neat's foot oil is added, turns
Dynamic 150min；The formic acid rotation 75min for adding 1.7%, adjusts pH value of solution 3.75；
S10. after the step S9, washing, cooling go out drum, stand；Stretch, wet toggling, get damp again, fall it is soft, taut
Then plate carries out subsequent conventional treatment.
Preferably, the mass concentration of zirconium aluminium titanium complex tanning agent described in the step S4 is 35%；The sodium bicarbonate
It is added and carries out by several times, each interval time is 22min, and 0.22% sodium bicarbonate is added every time.
Preferably, the mass concentration of vegatable tannin described in the step S8 is 72%；The synthetic oil is preferably sulfonated
Synthetic oil, the sulfonated synthetic oil mass concentration are 68%；The formaldehydeless amino resins retanning agent mass concentration is 92%；
The acrylic resin retanning agent mass concentration is 29%.
Preferably, rotary drum revolving speed is 9r/min in the step S2~S5；Rotary drum revolving speed is in the step S7~S10
12.5r/min。
Comparative example 1
A kind of production method based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather, including walk as follows
It is rapid:
S1. grey alkali skin is taken to weigh, the dosage of agents useful for same presses the hundred of the weight in subsequent treatment process step S2~S5
Score meter；
S2. grey alkali skin deashing and softening processing: be added in rotary drum grey alkali skin, 35 DEG C 60% of water, 4% without ammonia deliming agent DLE,
0.3% nonionic degreasing agent AP_N rotates 3h, and macerating enzyme 0.5% is added and rotates 120min, drains water；Then 18 DEG C are added,
200% water, rotates 15min, and draining is repeated 2 times；
S3. pickling: in rotary drum be added 18 DEG C, 80% water, 6% Nacl, rotate 10min, control Baume degrees Be be 7~
8, be added 0.6% formic acid rotate 30min, then plus 0.8% industrial sulphuric acid, rotate 120min after, control pH 2.8, use bromocresol green
Check the cross section of skin, it is desirable that full impregnated；
Plus tanning agent, alkali carries S4.: by acid solution venting 30% in the step S3, be added 5% zirconium aluminium titanium complex tanning agent,
0.5% sodium formate, after rotating 180min；Saleratus solution is added, adjusts pH 4.0, rotates 120min；
S5. moisturizing heating, washing: adding the water of 38 DEG C, 100% in rotary drum, rotation 120min is stood overnight, and next day drains water
Afterwards, 150% normal-temperature water rotation 6min is added, is roused out；
S6. standing, agent water, shaving, weighing, reagent dosage presses this scytoblastema weighing weight percent in step S7~S10
Meter；
S7. it rinses, neutralize, washing: rotary drum is added in scytoblastema obtained by step S6,30 DEG C, 120% water are added in rotary drum,
3% Nacl, in 3% and tannin, 0.2% rewetting agent, 0.5% sodium bicarbonate rotate 120min, adjust pH value of solution 4.8, use bromine
The green cross section for checking skin of cresols requires full impregnated；After draining water, 150% normal-temperature water is added, rotates 6min, drains；
S8. vegatable tannin, retanning agent are filled: after step S7, addition 28 DEG C, 80% water, and 20% vegatable tannin, 0.8%
Synthetic oil rotates 60min；Add 20% vegatable tannin, 3% formaldehydeless amino resins retanning agent, 0.8% synthetic oil, rotation
120min stops drum overnight；Next day rotates 60min, and 3% acrylic resin retanning agent is added and rotates 120min；
S9. after the step S8,55 DEG C, 80% water rotation 10min stuffing: is added；15% synthetic fat liquor is added, turns
Dynamic 120min；The formic acid rotation 60min for adding 1.5%, adjusts pH value of solution 3.7；
S10. after the step S9, washing, cooling go out drum, stand；Stretch, wet toggling, get damp again, fall it is soft, taut
Then plate carries out subsequent conventional treatment.
Preferably, the mass concentration of zirconium aluminium titanium complex tanning agent described in the step S4 is 30%；The sodium bicarbonate
It is added and carries out by several times, each interval time is 20min, and 0.2% sodium bicarbonate is added every time.
Preferably, the mass concentration of vegatable tannin described in the step S8 is 70%；The synthetic oil is preferably sulfonated
Synthetic oil, the sulfonated synthetic oil mass concentration are 55%；The formaldehydeless amino resins retanning agent mass concentration is 90%；
The acrylic resin retanning agent mass concentration is 25%.
Preferably, rotary drum revolving speed is 8r/min in the step S2~S5；Rotary drum revolving speed is in the step S7~S10
12r/min。
Comparative example 2
A kind of production method based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather, including walk as follows
It is rapid:
S1. grey alkali skin is taken to weigh, the dosage of agents useful for same presses the hundred of the weight in subsequent treatment process step S2~S5
Score meter；
S2. grey alkali skin deashing and softening processing: be added in rotary drum grey alkali skin, 35 DEG C 60% of water, 4% without ammonia deliming agent DLE,
0.3% nonionic degreasing agent AP_N rotates 3h, and macerating enzyme 0.5% is added and rotates 120min, drains water；Then 20 DEG C are added,
200% water, rotates 15min, and draining is repeated 3 times；
S3. pickling: being added 20 DEG C, 100% water in rotary drum, and 8% Nacl rotates 15min, and control Baume degrees Be is 7
~8, be added 0.8% formic acid rotate 30min, then plus 1.0% industrial sulphuric acid, rotate 180min after, control pH 3.0, with bromine cresols
The green cross section for checking skin, it is desirable that full impregnated；
Plus tanning agent, alkali carries S4.: by acid solution venting 50% in the step S3, be added 15% zirconium aluminium titanium complex tanning agent,
1.0% sodium formate, after rotating 210min；Saleratus solution is added, adjusts pH 4.1, rotates 180min；
S5. moisturizing heating, washing: adding the water of 40 DEG C, 150% in rotary drum, rotation 120min is stood overnight, and next day drains water
Afterwards, the normal-temperature water rotation 10min for adding 200%, is roused out；
S6. standing, agent water, shaving, weighing, reagent dosage presses this scytoblastema weighing weight percent in step S7~S10
Meter；
S7. it rinses, neutralize, washing: rotary drum is added in scytoblastema obtained by step S6,35 DEG C, 150% water are added in rotary drum,
4% Nacl, in 4% and tannin, 0.3% rewetting agent, 0.8% sodium bicarbonate rotate 180min, pH value of solution 5.0 are adjusted, with bromine first
The green cross section for checking skin of phenol requires full impregnated；After draining water, 200% normal-temperature water is added, rotates 10min, drains；
S8. vegatable tannin, retanning agent are filled: after step S7, addition 30 DEG C, 100% water, and 4% vegatable tannin, 1.0%
Synthetic oil rotates 90min；Add 4% vegatable tannin, 5% formaldehydeless amino resins retanning agent, 1.0% synthetic oil, rotation
180min stops drum overnight；Next day rotates 90min, and 4% acrylic resin retanning agent is added and rotates 180min；
S9. after the step S8,60 DEG C, 100% water rotation 20min stuffing: is added；The synthesis of 18% chlorosulfonation is added
Oil rotates 180min；2.0% formic acid rotation 90min is added, pH value of solution 3.8 is adjusted；
S10. after the step S9, washing, cooling go out drum, stand；Stretch, wet toggling, get damp again, fall it is soft, taut
Then plate carries out subsequent conventional treatment.
Preferably, the mass concentration of zirconium aluminium titanium complex tanning agent described in the step S4 is 40%；The sodium bicarbonate
It is added and carries out by several times, each interval time is 25min, and 0.25% sodium bicarbonate is added every time.
Preferably, the mass concentration of vegatable tannin described in the step S8 is 75%；The synthetic oil is preferably sulfonated
Synthetic oil, the sulfonated synthetic oil mass concentration are 60%；The formaldehydeless amino resins retanning agent mass concentration is 95%；
The acrylic resin retanning agent mass concentration is 32%.
Preferably, rotary drum revolving speed is 10r/min in the step S2~S5；Rotary drum revolving speed is in the step S7~S10
13r/min。
Comparative example 3
A kind of production method based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather, including walk as follows
It is rapid:
S1. grey alkali skin is taken to weigh, the dosage of agents useful for same presses the hundred of the weight in subsequent treatment process step S2~S5
Score meter；
S2. grey alkali skin deashing and softening processing: be added in rotary drum grey alkali skin, 35 DEG C 60% of water, 4% without ammonia deliming agent DLE,
0.3% nonionic degreasing agent AP_N rotates 3h, and macerating enzyme 0.5% is added and rotates 120min, drains water；Then 19 DEG C DEG C are added,
200% water, rotates 15min, and draining is repeated 2 times；
S3. pickling: in rotary drum be added 19 DEG C, 90% water, 7% Nacl, rotate 13min, control Baume degrees Be be 7~
8, be added 0.7% formic acid rotate 30min, then plus 0.9% industrial sulphuric acid, rotate 150min after, control pH2.9, use bromocresol green
Check that the cross section of skin requires full impregnated；
Plus tanning agent, alkali carries S4.: by acid solution venting 40% in the step S3, be added 3% zirconium aluminium titanium complex tanning agent,
0.8% sodium formate, after rotating 195min；Saleratus solution is added, adjusts pH 4.05, rotates 150min；
S5. moisturizing heating, washing: adding the water of 39 DEG C, 125% in rotary drum, rotation 120min is stood overnight, and next day drains water
Afterwards, the normal-temperature water rotation 8min for adding 175%, is roused out；
S6. standing, agent water, shaving, weighing, reagent dosage presses this scytoblastema weighing weight percent in step S7~S10
Meter；
S7. it rinses, neutralize, washing: rotary drum is added in scytoblastema obtained by step S6,32 DEG C, 130% water are added in rotary drum,
3.5% Nacl, in 3.5% and tannin, 0.25% rewetting agent, 0.7% sodium bicarbonate rotate 150min, adjust pH value of solution 4.9,
Check that the cross section of skin requires full impregnated with bromocresol green；After draining water, 180% normal-temperature water is added, rotates 8min, drains；
S8. vegatable tannin, retanning agent are filled: after step S7,29 DEG C, 90% water are added, 4% vegatable tannin, 0.9% closes
At oil, 75min is rotated；Add 2% vegatable tannin, 4% formaldehydeless amino resins retanning agent, 0.9% synthetic oil, rotation
150min stops drum overnight；Next day rotates 80min, and 3.5% acrylic resin retanning agent is added and rotates 160min；
S9. after the step S8,58 DEG C, 90% water rotation 15min stuffing: is added；17% synthetic neat's foot oil is added, turns
Dynamic 150min；The formic acid rotation 75min for adding 1.7%, adjusts pH value of solution 3.75；
S10. after the step S9, washing, cooling go out drum, stand；Stretch, wet toggling, get damp again, fall it is soft, taut
Then plate carries out subsequent conventional treatment.
Preferably, the mass concentration of zirconium aluminium titanium complex tanning agent described in the step S4 is 35%；The sodium bicarbonate
It is added and carries out by several times, each interval time is 22min, and 0.22% sodium bicarbonate is added every time.
Preferably, the mass concentration of vegatable tannin described in the step S8 is 72%；The synthetic oil is preferably sulfonated
Synthetic oil, the sulfonated synthetic oil mass concentration are 68%；The formaldehydeless amino resins retanning agent mass concentration is 92%；
The acrylic resin retanning agent mass concentration is 29%.
Preferably, rotary drum revolving speed is 9r/min in the step S2~S5；Rotary drum revolving speed is in the step S7~S10
12.5r/min。
By embodiment 1 and comparative example 1；The comparison of embodiment 2 and comparative example 2, embodiment 3 and comparative example 3 is it is found that with zirconium aluminium
Within the scope of of the present invention, the summer sleeping mat grain crust leather produced is received for the amount of titanium complex tanning agent and the amount of vegatable tannin
Contracting temperature is greater than 90 DEG C, and summer sleeping mat grain is careful, and leather body is submissive plentiful flexible, and gas permeability and absorption of perspiration are functional, have good
Good properties for follow；And comparative example 1,2,3 produce summer sleeping mat grain crust leather shrinkage temperature less than 80 DEG C, summer sleeping mat grain
It is coarse, body poor flexibility is removed from office, gas permeability and absorption of perspiration performance are poor.
The results are shown in Table 1:
1 crust leather shrinkage temperature of table
The method concrete operations of zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather of the present invention are simple,
Raw material uses Chrome-free zirconium aluminium titanium complex, and pollution of the heavy metal chromium to environment and the danger to human body are completely eliminated from source
Evil has good spatter property and ecological, is a kind of process hides clearer production technology of suitable industrialization.
The invention is not limited to aforementioned more excellent specific embodiments.The present invention expands to any to be disclosed in the present specification
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (5)
1. a kind of production method based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather, which is characterized in that
Include the following steps:
S1. grey alkali skin is taken to weigh, the dosage of agents useful for same presses the percentage of the weight in subsequent treatment process step S2~S5
Meter；
S2. grey alkali skin, 35 DEG C of 60% water, 4% grey alkali skin deashing and softening processing: are added in rotary drum without ammonia deliming agent DLE, 0.3%
Nonionic degreasing agent AP_N rotates 3h, and macerating enzyme 0.5% is added and rotates 120min, drains water；Then 18 DEG C~20 DEG C are added,
200% water, rotates 15min, and draining repeats 2~3 times；
S3. pickling: 18 DEG C~20 DEG C, 80%~100% water of addition in rotary drum, 6%~8% Nacl, rotation 10~
15min, control Baume degrees Be are 7~8, and 0.6%~0.8% formic acid is added and rotates 30min, then plus 0.8%~1.0% industrial sulphur
Acid after rotating 120~180min, controls pH 2.8~3.0, the cross section of skin is checked with bromocresol green, it is desirable that full impregnated；
S4. plus tanning agent, alkali carries: by acid solution venting 30%~50% in the step S3, the cooperation of 10%~12% zirconium aluminium titanium is added
Object tanning agent, 0.5%~1.0% sodium formate, after rotating 180~210min；Saleratus solution is added, adjusts pH 4.0~4.1, turns
Dynamic 120~180min；
S5. moisturizing heating, washing: add 38 DEG C~40 DEG C, 100%~150% water in rotary drum, rotation 120min is stood overnight, secondary
After day drains water, adds 150%~200% normal-temperature water and rotate 6~10min, rouse out；
S6. standing, agent water, shaving, weighing, reagent dosage presses this scytoblastema weighing percent by weight in step S7~S10；
S7. rinse, neutralize, washing: rotary drum is added in scytoblastema obtained by step S6, be added in rotary drum 30 DEG C~35 DEG C, 120%~
150% water, 3%~4% Nacl, in 3%~4% and tannin, 0.2%~0.3% rewetting agent, 0.5%~0.8% little Su
It beats, rotates 120~180min, adjust pH value of solution 4.8~5.0, the cross section of skin is checked with bromocresol green, it is desirable that full impregnated；It drains
After water, 150%~200% normal-temperature water is added, rotates 6~10min, drains；
S8. vegatable tannin, retanning agent are filled: after step S7, addition 28 DEG C~30 DEG C, 80%~100% water, and 10%~15%
Vegatable tannin, 0.8%~1.0% synthetic oil rotate 60~90min；Add 10%~15% vegatable tannin, 3%~5% nothing
Formaldehyde amino resin retaning agent, 0.8%~1.0% synthetic oil, 120~180min of rotation stop drum overnight；Next day rotation 60~
90min is added 3%~4% acrylic resin retanning agent and rotates 120~180min；
S9. stuffing: after the step S8,55 DEG C~60 DEG C, 80%~100% water are added, rotate 10~20min；It is added
15%~18% fatting agent rotates 120~180min；It adds 1.5%~2.0% formic acid and rotates 60~90min, adjust solution
PH 3.7~3.8；
S10. after the step S9, washing, cooling go out drum, stand；It stretches, wet toggling, gets damp again, falls soft, toggling, so
After carry out subsequent conventional treatment.
2. a kind of production based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather as described in claim 1
Method, which is characterized in that the mass concentration of zirconium aluminium titanium complex tanning agent described in the step S4 is 30%~40%；It is described small
The addition of soda carries out by several times, and each interval time is 20~25min, and 0.2%~0.25% sodium bicarbonate is added every time.
3. a kind of production based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather as described in claim 1
Method, which is characterized in that the mass concentration of vegatable tannin described in the step S8 is 70%~75%；The synthetic oil is preferred
Sulfonated synthetic oil, the sulfonated synthetic oil mass concentration are 55%~60%；The formaldehydeless amino resins retanning agent matter
Measuring concentration is 90%~95%；The acrylic resin retanning agent mass concentration is 25%~32%.
4. a kind of production based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather as described in claim 1
Method, which is characterized in that fatting agent includes in synthetic fat liquor, chlorosulfonation synthetic oil and synthetic neat's foot oil in the step S9
It is at least one.
5. a kind of production based on zirconium aluminium titanium complex and vegatable tannin preparation buffalo ecology summer sleeping mat leather as described in claim 1
Method, which is characterized in that rotary drum revolving speed is 8~10r/min in the step S2~S5；Rotary drum turns in the step S7~S10
Speed is 12~13r/min.
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|---|---|---|---|---|
| CN112226548A (en) * | 2020-09-04 | 2021-01-15 | 宜宾康信皮业工贸有限公司 | Production method for preparing ecological cow leather mat leather based on zirconium tanning agent and tannin extract |
| CN113584238A (en) * | 2021-06-28 | 2021-11-02 | 宁波博洋家纺集团有限公司 | Preparation method of environment-friendly cow leather mat leather |
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2018
- 2018-11-21 CN CN201811392997.4A patent/CN109439809A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112226548A (en) * | 2020-09-04 | 2021-01-15 | 宜宾康信皮业工贸有限公司 | Production method for preparing ecological cow leather mat leather based on zirconium tanning agent and tannin extract |
| CN113584238A (en) * | 2021-06-28 | 2021-11-02 | 宁波博洋家纺集团有限公司 | Preparation method of environment-friendly cow leather mat leather |
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