CN108504792A - A kind of production method of waterproof antistatic leather - Google Patents
A kind of production method of waterproof antistatic leather Download PDFInfo
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- CN108504792A CN108504792A CN201810570575.5A CN201810570575A CN108504792A CN 108504792 A CN108504792 A CN 108504792A CN 201810570575 A CN201810570575 A CN 201810570575A CN 108504792 A CN108504792 A CN 108504792A
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- rotary drum
- leather
- waterproof antistatic
- production method
- tare weight
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- 239000010985 leather Substances 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 56
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000012545 processing Methods 0.000 claims abstract description 32
- 229920000141 poly(maleic anhydride) Polymers 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000004519 grease Substances 0.000 claims abstract description 24
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 22
- 241000502561 Acacia irrorata Species 0.000 claims abstract description 14
- 239000003973 paint Substances 0.000 claims abstract description 14
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 12
- 230000035617 depilation Effects 0.000 claims abstract description 6
- 238000005554 pickling Methods 0.000 claims abstract description 6
- 238000001291 vacuum drying Methods 0.000 claims abstract description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 32
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 25
- 239000002041 carbon nanotube Substances 0.000 claims description 24
- 238000005406 washing Methods 0.000 claims description 20
- 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 16
- 235000019253 formic acid Nutrition 0.000 claims description 16
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 12
- 239000006260 foam Substances 0.000 claims description 12
- 238000012986 modification Methods 0.000 claims description 10
- 230000004048 modification Effects 0.000 claims description 10
- 229920002732 Polyanhydride Polymers 0.000 claims description 9
- 239000010495 camellia oil Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000004359 castor oil Substances 0.000 claims description 6
- 235000019438 castor oil Nutrition 0.000 claims description 6
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 150000008064 anhydrides Chemical class 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000004922 lacquer Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- -1 carbon nano-tube modified carbon nano-tube Chemical class 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 21
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 15
- 229910052804 chromium Inorganic materials 0.000 description 9
- 239000011651 chromium Substances 0.000 description 9
- 239000006185 dispersion Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 102000008186 Collagen Human genes 0.000 description 2
- 108010035532 Collagen Proteins 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229920001436 collagen Polymers 0.000 description 2
- 230000000536 complexating effect Effects 0.000 description 2
- 239000002071 nanotube Substances 0.000 description 2
- 230000002688 persistence Effects 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000012360 testing method Methods 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
- C14C1/04—Soaking
-
- 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
- C14C11/00—Surface finishing of leather
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/28—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
- C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
Abstract
The present invention discloses a kind of production method of waterproof antistatic leather, including weigh → soak → fleshing → liming, depilation → split → deliming → softening → pickling → tanning → take horse, standing → shaving → weigh → neutralize → stuffing, waterproof antistatic processing → chrome retanned → vacuum drying → toggling → fall soft → covering with paint processing；Wherein stuffing, waterproof antistatic processing step are：By after neutralization white skin or blue skin input rotary drum in, the water of tare weight 200% 300% is added, control 45 55 DEG C of temperature in rotary drum, the polymaleic anhydride modified grease fatting agent of tare weight 6% 8% and 0.1% 2% conductive nano metal-modified carbon nanotube is added, rotate 60 90min of rotary drum, be down to room temperature is sufficient.This case is synchronized using novel and succinct technology realizes the antistatic the two relevance effect of leather water-proof, functional superior, and does not influence the feel of leather.
Description
Technical field
The present invention relates to leather manufacture field, in particular to a kind of production methods of waterproof antistatic leather.
Background technology
Leather and fur products is deep always to be liked by consumers in general because it has natural unique aesthetic feeling, possesses a top grade
Leather and fur products not only represent voguish style, even more a kind of symbol of identity.It is directed to the use characteristic of leather at present, it will usually attached
Add some functional designs of leather, such as anti-pollution, antistatic, waterproof, wear-resisting etc..Leather wear in use, due to
Friction will produce electrostatic, and electrostatic not only damages body, but also can adsorb dust, is unfavorable for cleaning, in this by adding anti-static function
To overcome described problem.The antistatic property and water proofing property of usual leather are practical performances, are directed to leather water-proof at present
Conventional design thinking with antistatic property is that waterproof is realized by coating waterproof layer structure, antistatic by using carbon fiber
Either metal net layer structure or the antistatic medicament layer of coating are realized.In short, being directed to leather water-proof and antistatic property at present
Design be all independent from each other design, in addition use coating layer function persistence insufficient, can also influence the feel of leather.
Invention content
The purpose of the present invention is to provide a kind of production methods of waterproof antistatic leather, using novel and succinct skill
Art, synchronous to realize the antistatic the two relevance effect of leather water-proof, functionality is superior, and physical mechanical property is excellent, also not
Influence the feel of leather.
In order to achieve the above object, solution of the invention is：
A kind of production method of waterproof antistatic leather, including weigh → soak → fleshing → liming, depilation → split →
Deliming → softening → pickling → tanning → takes horse, standing → shaving → and weighs → neutralize → stuffing, waterproof antistatic processing → chromium
Soft → covering with paint processing is fallen in retanning → vacuum drying → toggling →；Wherein stuffing, waterproof antistatic processing step are：It will neutralize
In white skin or blue skin input rotary drum afterwards, the water of tare weight 200%-300% is added, controls 45-55 DEG C of temperature in rotary drum, skin is added
The conductive nano metal-modified carbon nanotube of the polymaleic anhydride modified grease fatting agent and 0.1%-2% of weight 6%-8%, rotation
Rotary drum 60-90min, be down to room temperature is sufficient.
The conductive nano metal-modified carbon nanotube is that nano silver is carbon nano-tube modified or Nanometer Copper modified carbon nanometer
Pipe.
The polymaleic anhydride modified grease fatting agent uses poly anhydride modification camellia oil fatting agent or poly- Malaysia
Anhydride modified castor oil fatting agent.
In the white skin by after neutralization or blue skin input rotary drum, before the water that tare weight 200%-300% is added, also into
Row water washing operations：With the washing 2 times of shaving tare weight 200%-300%, 10-15min is washed every time, is drained after washing.
While the addition polymaleic anhydride modified grease fatting agent and conductive nano metal-modified carbon nanotube, also add
Enter the water proof type fatting agent of 1%-2%.
It is described be down to room temperature after, survey bath foam pH value, adjusting control is in pH3.6-4.0.
It is described be down to room temperature after, add formic acid 0.6%-0.8%, survey bath foam pH3.6-4.0 after rotation rotary drum 30-60min, such as
Fruit adds formic acid to adjust less than again.
The conductive nano metal-modified carbon nanotube is that nano silver is carbon nano-tube modified, and the nano silver is carbon nano-tube modified
It is carbon nanotube by after the mixed acid solution oxidation processes of the concentrated sulfuric acid and concentrated nitric acid, a large amount of carboxylic group is contained on surface, then pass through
It after ultrasonic disperse, is mixed with supporting roller bush, finally restores and obtain under ultraviolet light.
The stuffing, waterproof antistatic processing step are：By after neutralization white skin or blue skin input rotary drum in, with shaving skin
The washing 2 times for weighing 250%, washes 10min, is drained after washing every time；230% water of tare weight is added, controls temperature in rotary drum
45 DEG C, the poly anhydride modification camellia oil fatting agent of addition tare weight 7% and 0.5% nano silver are carbon nano-tube modified, rotation
Rotary drum 80min, is down to room temperature；Add formic acid 0.7%, bath foam pH 3.6-4.0 are surveyed after rotation rotary drum 40min.
The stuffing, waterproof antistatic processing step are：By after neutralization white skin or blue skin input rotary drum in, with shaving skin
The washing 2 times for weighing 280%, washes 13min, is drained after washing every time；250% water of tare weight is added, controls temperature in rotary drum
47 DEG C, the polymaleic anhydride modified castor oil fatting agent of tare weight 7.5% is added, 1.0% water proof type fatting agent and 1.0% is received
Rice copper is carbon nano-tube modified, rotates rotary drum 85min, is down to room temperature；Add formic acid 0.73%, bath foam pH is surveyed after rotation rotary drum 45min
3.8, if less than adding formic acid to adjust again.
The covering with paint processing, which has, covers with paint, lacquer, colour wash, etc. bottom, and the covering with paint bottom is mainly by the strong resin of bonding force and filled-type resin group
At.
After adopting the above scheme, a kind of production method of waterproof antistatic leather of the present invention, having compared with the existing technology
Beneficial effect is：It is the synchronous antistatic the two relevance effect of realization leather water-proof in place of the main innovation of the present invention, i.e., together
Step prepares while having the leather of water-proof function and antistatic effect.Innovatively added using polymaleic anhydride modified grease in processing
Two kinds of materials of fat agent and conductive nano metal-modified carbon nanotube, two kinds of materials have good compatibility effect.
Polymaleic anhydride modified grease fatting agent has dispersion, the absorption of conductive nano metal-modified carbon nanotube fine
Advantageous effect.Polymaleic anhydride modified grease fatting agent contains oligo surfactant structure, good surface activity, on the one hand,
There is peptizaiton to conductive nano metal-modified carbon nanotube；On the other hand contain in a polymaleic anhydride modified grease molecule
There are multiple carboxyls, carboxyl that can be complexed with conductive metal, there is affinity interaction with carbon nanotube, further promotes carbon nanometer
The high dispersion of the dispersion of pipe, conductive nano metal-modified carbon nanotube can bring splendid antistatic effect；Stuffing simultaneously
When use polymaleic anhydride modified grease fatting agent, the fatting agent to contain carboxyl, carboxyl can be combined with chromium coordination in chrome tanning agent, one
Aspect can improve the mechanical strength of leather, and mechanical property tool is improved to some extent；On the other hand, carboxyl is complexed with chrome tanning agent
Afterwards, the hydrophilic radical in fatting agent is enclosed, thus there is waterproof effect；After the conductive metal is complexed with carboxyl, into one
Step encloses the hydrophilic radical of fatting agent, further promotes waterproof effect, therefore the interaction with relevance.In addition carbon is received
The excellent mechanical property of mitron, can also improve the physical mechanical property of leather.
Specific implementation mode
This case is described in further detail With reference to embodiment.
This case is related to a kind of production method of waterproof antistatic leather, → fleshing → liming, depilation of including weighing → soak
→ split → deliming → softening → pickling → tanning → takes horse, standing → shaving → and weighs → neutralize → stuffing, waterproof antistatic
Soft → covering with paint processing is fallen in processing → chrome retanned → vacuum drying → toggling →.
Wherein, stuffing, waterproof antistatic processing step are：By after neutralization white skin or blue skin input rotary drum in, skin is added
The water of weight 200%-300%, controls 45-55 DEG C of temperature in rotary drum, and the polymaleic anhydride modified grease that tare weight 6%-8% is added adds
The conductive nano metal-modified carbon nanotube of fat agent and 0.1%-2%, rotate rotary drum 60-90min, be down to room temperature is sufficient.
The polymaleic anhydride modified grease fatting agent contains multiple carboxyls, contains oligo surfactant structure, surface
Activity is good.Preferably, polymaleic anhydride modified grease fatting agent uses poly anhydride modification camellia oil fatting agent or poly- horse
Carry out anhydride modified castor oil fatting agent.Wherein poly anhydride modification camellia oil fatting agent is referring to Chinese Patent Application No.
A kind of preparation method of poly anhydride modification camellia oil fatting agent of CN201711344152.3.
Stuffing, the waterproof antistatic processing of the present invention, which can synchronize, realizes the antistatic the two relevance effect of leather water-proof,
Two kinds of materials of polymaleic anhydride modified grease fatting agent and conductive nano metal-modified carbon nanotube are innovatively used in processing, it should
Two kinds of materials have good compatibility effect：
1) polymaleic anhydride modified grease fatting agent has very dispersion, the absorption of conductive nano metal-modified carbon nanotube
Good advantageous effect；Polymaleic anhydride modified grease fatting agent contains oligo surfactant structure, good surface activity, a side
Face has peptizaiton to conductive nano metal-modified carbon nanotube；On the other hand a polymaleic anhydride modified grease molecule
In contain multiple carboxyls, carboxyl can be complexed with conductive metal, have affinity interaction with carbon nanotube, further promote carbon
The high dispersion of the dispersion of nanotube, conductive nano metal-modified carbon nanotube can bring splendid antistatic effect；
2) polymaleic anhydride modified grease fatting agent, the fatting agent simultaneously, is used to contain carboxyl, carboxyl energy and chromium when stuffing
Chromium coordination combines in tanning agent, on the one hand, carboxyl encloses the hydrophilic radical in fatting agent with after chrome tanning agent complexing, thus has
Waterproof effect；The conductive metal further encloses the hydrophilic radical of fatting agent, is further promoted anti-with after carboxyl complexing
Water effect；
On the other hand the mechanical strength of leather can be improved；Containing more in one polymaleic anhydride modified grease stuffing agent molecule
A carboxyl so that it can not only carry out multiple spot with leather collagen and be combined, and improve the physical mechanical property of leather；And poly
Anhydride modification grease fatting agent can in chrome tanning agent chromium and nano metal be complexed, then pass through chromium or nano metal and carbon
Carbon nanotube is attached on leather collagen by the indirectly-acting of nanotube, to greatly improve the physical mechanical property of leather.
The production method of this case waterproof antistatic leather, after the stuffing of innovation, waterproof antistatic processing, by mutual
Correlation brings superior waterproof antistatic function simultaneously, and waterproof antistatic function persistence is good, and processing mode is also not
It can influence the feel of leather.
When using white skin, the chrome tanning agent comes from chrome retanned step；When using blue skin, the chrome tanning agent comes from tan
In step processed and chrome retanned step, stuffing, waterproof antistatic processing step carry out between tanning step and chrome retanned step, then
The carboxyl of polymaleic anhydride modified grease fatting agent with chromium coordination in chrome tanning agent there is front and back multiple spot twice to be combined, and it is anti-to play reinforcement
Water effect and the effect for promoting physical mechanical property.
The excellent silver of preferably, the conductive nano metal-modified carbon nanotube, wherein conductive metal selection electric conductivity,
Copper, gold etc., correspond to that nano silver is carbon nano-tube modified, Nanometer Copper is carbon nano-tube modified or decorated by nano-gold carbon nanotube.Its
It is carbon nanotube by after the mixed acid solution oxidation processes of the concentrated sulfuric acid and concentrated nitric acid that middle nano silver is carbon nano-tube modified, is contained on surface
A large amount of carboxylic group, then after ultrasonic disperse, with supporting roller bush ([Ag (NH3)2NO3]) mixing, finally under ultraviolet light
Reduction obtains.
Preferably, in the white skin by after neutralization or blue skin input rotary drum, the water that tare weight 200%-300% is added it
Before, water washing operations are also carried out, specially：With the washing 2 times of shaving tare weight 200%-300%, 10-15min is washed every time, is washed
After drain.
Preferably, described that the same of polymaleic anhydride modified grease fatting agent and conductive nano metal-modified carbon nanotube is added
When, the water proof type fatting agent of 1%-2% can also be added.What needs to be explained here is that the addition of the water proof type fatting agent is played
Be：In effective water proofing property that polymaleic anhydride modified grease fatting agent and conductive nano metal-modified carbon nanotube mating band come
On the basis of the water resistance invigoration effect that is carried out, and be not the main cause of leather water-proof performance.
Formic acid processing, the carboxylic in poly anhydride modification camellia oil can be not added in this case stuffing, waterproof antistatic processing
Base group can almost be closed.Preferred cooperation formic acid processing, it is described be down to room temperature after, also carry out bath foam pH value test, adjust
Section control is in pH between 3.6-4.0.In further concrete operations, it is described be down to room temperature after, add formic acid 0.6%-0.8%, turn
Turn surveys bath foam pH 3.6-4.0 after rousing 30-60min, if less than adding formic acid to adjust again.
Preferably, the covering with paint processing, which has, covers with paint, lacquer, colour wash, etc. bottom, and the covering with paint bottom is mainly by the strong resin of bonding force and filling
Type resin forms.
Specific embodiment one
A kind of production method of waterproof antistatic leather, including weigh → soak → fleshing → liming, depilation → split →
Deliming → softening → pickling → tanning → takes horse, standing → shaving → and weighs → neutralize → stuffing, waterproof antistatic processing → chromium
Soft → covering with paint processing is fallen in retanning → vacuum drying → toggling →；
Wherein, stuffing, waterproof antistatic processing step are：By after neutralization white skin or blue skin input rotary drum in, use shaving
The washing of tare weight 250% 2 times is washed 10min, is drained after washing every time；230% water of tare weight is added, controls temperature in rotary drum
45 DEG C of degree, the poly anhydride modification camellia oil fatting agent of addition tare weight 7% and 0.5% nano silver are carbon nano-tube modified, turn
Turn rouses 80min, is down to room temperature；Add formic acid 0.7%, bath foam pH 3.6-4.0 are surveyed after rotation rotary drum 40min.
Specific embodiment two
A kind of production method of waterproof antistatic leather, including weigh → soak → fleshing → liming, depilation → split →
Deliming → softening → pickling → tanning → takes horse, standing → shaving → and weighs → neutralize → stuffing, waterproof antistatic processing → chromium
Soft → covering with paint processing is fallen in retanning → vacuum drying → toggling →；
Wherein, stuffing, waterproof antistatic processing step are：By after neutralization white skin or blue skin input rotary drum in, use shaving
The washing of tare weight 280% 2 times is washed 13min, is drained after washing every time；250% water of tare weight is added, controls temperature in rotary drum
The polymaleic anhydride modified castor oil fatting agent of tare weight 7.5%, 1.0% water proof type fatting agent and 1.0% is added in 47 DEG C of degree
Nanometer Copper is carbon nano-tube modified, rotates rotary drum 85min, is down to room temperature；Add formic acid 0.73%, bath foam is surveyed after rotation rotary drum 45min
PH 3.8, if less than adding formic acid to adjust again.
The foregoing is merely the preferred embodiment of the present invention, all equivalent changes done with scope of the invention as claimed and
Modification, should all belong to the range of the claims in the present invention.
Claims (10)
1. a kind of production method of waterproof antistatic leather, it is characterised in that：Including → fleshing → liming, depilation of weighing → soak
→ split → deliming → softening → pickling → tanning → takes horse, standing → shaving → and weighs → neutralize → stuffing, waterproof antistatic
Soft → covering with paint processing is fallen in processing → chrome retanned → vacuum drying → toggling →；Wherein stuffing, waterproof antistatic processing step
For：By after retanning, neutralization white skin or blue skin input rotary drum in, the water of tare weight 200%-300% is added, controls temperature in rotary drum
45-55 DEG C, the conductive nano metal of polymaleic anhydride modified grease fatting agent and 0.1%-2% that tare weight 6%-8% is added is repaiied
Adorn carbon nanotube, rotate rotary drum 60-90min, be down to room temperature is sufficient.
2. a kind of production method of waterproof antistatic leather as described in claim 1, it is characterised in that：The conductive nano gold
It is that nano silver is carbon nano-tube modified or Nanometer Copper is carbon nano-tube modified to belong to carbon nano-tube modified.
3. a kind of production method of waterproof antistatic leather as described in claim 1, it is characterised in that：The polymaleic anhydride
Modified grease fatting agent uses poly anhydride modification camellia oil fatting agent or polymaleic anhydride modified castor oil stuffing
Agent.
4. a kind of production method of waterproof antistatic leather as described in claim 1, it is characterised in that：It is described will be after neutralization
In white skin or blue skin input rotary drum, before the water that tare weight 200%-300% is added, water washing operations are also carried out：With shaving tare weight
The washing of 200%-300% 2 times is washed 10-15min, is drained after washing every time.
5. a kind of production method of waterproof antistatic leather as described in claim 1, it is characterised in that：It is described to be down to room temperature
Afterwards, bath foam pH value is surveyed, adjusting control is in pH3.6-4.0.
6. a kind of production method of waterproof antistatic leather as described in claim 1 or 5, it is characterised in that：It is described to be down to often
Wen Hou adds formic acid 0.6%-0.8%, bath foam pH 3.6-4.0 is surveyed after rotation rotary drum 30-60min, if less than formic acid tune is added again
Section.
7. a kind of production method of waterproof antistatic leather as described in claim 1, it is characterised in that：The conductive nano gold
Belong to carbon nano-tube modified carbon nano-tube modified for nano silver, the nano silver is carbon nano-tube modified be carbon nanotube by the concentrated sulfuric acid with it is dense
After the mixed acid solution oxidation processes of nitric acid, a large amount of carboxylic group is contained on surface, then after ultrasonic disperse, it is mixed with supporting roller bush
It closes, finally restores and obtain under ultraviolet light.
8. a kind of production method of waterproof antistatic leather as described in claim 1, it is characterised in that：The stuffing, waterproof
Antistatic treatment step is：By after neutralization white skin or blue skin input rotary drum in, with the washing 2 times of shaving tare weight 250%, every time
10min is washed, is drained after washing；230% water of tare weight is added, controls temperature 45 C in rotary drum, the poly- horse of tare weight 7% is added
Come anhydride modified camellia oil fatting agent and 0.5% nano silver it is carbon nano-tube modified, rotate rotary drum 80min, be down to room temperature；Add first
Acid 0.7% surveys bath foam pH 3.6-4.0 after rotating rotary drum 40min.
9. a kind of production method of waterproof antistatic leather as described in claim 1, it is characterised in that：The stuffing, waterproof
Antistatic treatment step is：By after neutralization white skin or blue skin input rotary drum in, with the washing 2 times of shaving tare weight 280%, every time
13min is washed, is drained after washing；250% water of tare weight is added, controls 47 DEG C of temperature in rotary drum, the poly- of tare weight 7.5% is added
Maleic anhydride modified castor oil fatting agent, 1.0% water proof type fatting agent and 1.0% Nanometer Copper are carbon nano-tube modified, rotation
Rotary drum 85min, is down to room temperature；Add formic acid 0.73%, bath foam pH 3.8 is surveyed after rotation rotary drum 45min, if less than formic acid is added again
It adjusts.
10. a kind of production method of waterproof antistatic leather as described in claim 1, it is characterised in that：The covering with paint processing
With bottom is covered with paint, lacquer, colour wash, etc., which is mainly made of the strong resin of bonding force and filled-type resin.
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| CN111778368A (en) * | 2020-06-24 | 2020-10-16 | 海宁新上元新材料股份有限公司 | Manufacturing process of goat conductive glove leather |
| CN117867189A (en) * | 2024-03-13 | 2024-04-12 | 山东莱福特皮革制品有限公司 | Preparation method of antistatic agent for automobile leather |
| CN117867189B (en) * | 2024-03-13 | 2024-05-10 | 山东莱福特皮革制品有限公司 | Preparation method of antistatic agent for automobile leather |
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Effective date of registration: 20231018 Address after: 325000 No.62 Fuquan Road, Guoxi street, Ouhai District, Wenzhou City, Zhejiang Province Patentee after: Wenzhou Ouhai Chongda Leather Co.,Ltd. Address before: 314001 No. 56 South Yuexiu Road, Zhejiang, Jiaxing Patentee before: JIAXING University |