CN109576413A - A method of softening is used as the ox-hide of seat - Google Patents
A method of softening is used as the ox-hide of seat Download PDFInfo
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- CN109576413A CN109576413A CN201811569555.2A CN201811569555A CN109576413A CN 109576413 A CN109576413 A CN 109576413A CN 201811569555 A CN201811569555 A CN 201811569555A CN 109576413 A CN109576413 A CN 109576413A
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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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- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The present invention provides a kind of method of ox-hide of the softening as seat, includes the following steps: to soften the ox-hide after pre-treatment in rotary drum and then wash, then pickling, pickling, retanning, neutralization and washing；It is subsequently filled, refuels and wash out drum and fall soft.After the method for softening ox-hide in the application, the pliability of ox-hide is significantly improved, and cow leather mat skin-friendly and gas permeability improve, and compared with conventional softness, pliability and elasticity are improved while not reducing ox-hide intensity；Increase comfort of the ox-hide as seat in home textile articles.
Description
Technical field
The present invention relates to a kind of leather process fields, and the method for the ox-hide of seat is used as more particularly to a kind of softening.
Background technique
Increasingly raising recently as people's living standard and to comfortable and " going back to nature " requirement, corium system
Product are favored by people, while also to leather quality, more stringent requirements are proposed.It is required that leather is light, thin, soft, there is silk-like handle, very
Skin sense is strong, and dyeing is securely and with the characteristics such as waterproof, antifouling, fast light, washable.And to assign leather products above-mentioned qualitative
Can, chemical materials and process conditions used in process hides process are depended on again to a certain extent, from raw material skin to being made
The leather for meeting product quality requirement needs chemistry and mechanical treatment by many complexity.The suitable technique of selection is to raising skin
Keratin amount, shortening production cycle, simplified technique play an important role.
Ox-hide softening is mainly handled using bating agent currently on the market, using pancreatin or other protease to de-
Ox-hide after ash carries out sofening treatment, and treated, and ox-hide has certain pliability, but ineffective, only softening stress-displacement stage into
Row processing cannot reach super soft effect.
Summary of the invention
In view of the foregoing deficiencies of prior art, the ox-hide of seat is used as the purpose of the present invention is to provide a kind of softening
Method softens the method for raw material ox-hide during being production cow leather mat；For solving softening agent and softening in the prior art
Method is unable to satisfy the problem of comfortable and soft demand of home textile field leather and fur products.To achieve the above object and other related mesh
, the present invention obtains by the following technical programs.
The present invention provides a kind of method of ox-hide of the softening as seat, includes the following steps: to exist to the ox-hide after pre-treatment
In rotary drum then softening is washed, then pickling, pickling, retanning, neutralization and washing；It is subsequently filled, refuels and wash out drum and carry out
It falls soft.
Preferably, the bating step is that tenderising soln progress immersion treatment is added in rotary drum, in the tenderising soln
Including water, degreasing agent, softening agent and bleeding agent.It is highly preferred that water, degreasing agent, softening agent and bleeding agent in the tenderising soln
Mass ratio are as follows: (60~70): (0.2~0.3): (0.5~0.8): (0.2~0.3).
It is highly preferred that the model FG-B of the degreasing agent.
It is highly preferred that softening agent is the mixture of amido-modified silicone microemulsion and anionic silanol lotion, wherein ammonia
Base modified organic silicon emulsion and the mass ratio of anionic silanol lotion are (2~4): 1.It is highly preferred that amino-modified silicone
The mass ratio of lotion and anionic silanol lotion is 3:1.
It is highly preferred that bleeding agent is the mixture of polyethenoxy ether class compound and alkyl polyglycol ether, polyoxyethylene
The mass ratio of ether compound and alkyl polyglycol ether is 1:(1~3).It is highly preferred that polyethenoxy ether class compound and alkane
The mass ratio of base polyglycol ether is 1:2.
Preferably, in softening process, the rotation processing time is at least 40min.Such as rotating the processing time is 60min.Softening
After wash out and rouse.
Preferably, in acid soaking step, water is first added in rotary drum and sodium chloride rotation is impregnated, then adds acetic acid rotation
It impregnates, adds formic acid rotation and impregnate, it is that the rotation of 5%~15% sulfuric acid is impregnated that concentration, which is then added, adds chromium powder rotation leaching
Bubble adds and proposes alkaline agent rotation immersion, and water is then added and rotates immersion at 35~45 DEG C.It is highly preferred that in acid soaking step according to
The component water of secondary addition, sodium chloride, acetic acid, formic acid, 5%~15% sulfuric acid, chromium powder, the mass ratio for mentioning alkaline agent and water be (50~
60): (5~6): (1.0~1.2): (0.5~0.6): (0.5~1.2): (6.0~6.5): (0.3~0.4): 100.
Preferably, the alkaline agent that mentions is one or both of sodium carbonate and sodium bicarbonate.
It is highly preferred that water and salt rotation immersion at least 5min is added, 10min is impregnated in such as rotation.
It is highly preferred that acetic acid rotation, which is added, impregnates at least 3min, 5min is impregnated in such as rotation.
It is highly preferred that formic acid rotation, which is added, impregnates at least 5min, 10min is impregnated in such as rotation.
It is highly preferred that sulfuric acid rotation, which is added, impregnates at least 10min.It is highly preferred that sulfuric acid, which is added, turns 10min, it is static
20min, and be repeated 3 times.
It is highly preferred that chromium powder rotation, which is added, impregnates at least 100min, 120min is impregnated in such as rotation.
At least 200min is impregnated it is highly preferred that being added and proposing alkaline agent rotation, 300min is impregnated in such as rotation.
It is highly preferred that the rotation at 35~45 DEG C, which is added, impregnates at least 200min, 240min is impregnated in such as rotation.
Preferably, in acid pickling step, water, degreasing agent and formic acid are added in rotary drum, rotation is impregnated.Preferably, water, degreasing
The mass ratio of agent and formic acid is 200:(0.1~0.3): (0.2~0.4).Preferably, soaking temperature is 35~45 DEG C.Preferably,
Rotating soaking time is at least 50min, such as 60min.It is highly preferred that the model FG-B of the degreasing agent.
Preferably, retanning is to rotate to impregnate in rotary drum, and water is added in rotary drum in retanning procedures and synthetic oil rotation is impregnated,
It adds chromium powder rotation to impregnate, adds sodium formate and sodium bicarbonate rotation is impregnated.Preferably, each substance water, conjunction in retanning procedures
Mass ratio at oil, chromium powder, sodium formate and sodium bicarbonate is 100:(1.0~1.2): (5.0~5.5): (1.0~1.2): (0.3~
0.5)。
It is highly preferred that the synthetic oil in retanning is HLG synthetic oil.It is highly preferred that when water and synthetic oil rotation immersion is added
Between be at least 20min, for example 30min.It is highly preferred that rotation soaking time after chromium powder, which is added, is at least 100min, for example
150min.It is highly preferred that rotation soaking time after sodium formate and sodium bicarbonate, which is added, is at least 20min, for example 30min.More preferably
Ground, the temperature in retanning procedures are 30~40 DEG C.It is highly preferred that keeping molten in rotary drum using pH adjusting agent in retanning procedures
The pH of liquid is that 4.0~4.5 pH adjusting agents are aqueous formic acid.Such as the aqueous formic acid that concentration is 10%.
Preferably, in neutralization step, water, sodium formate and sodium bicarbonate rotation is added in rotary drum and impregnates；Add synthetic oil
It rotates and impregnates with ammonium bicarbonate, then wash.Preferably, the mass ratio of water, sodium formate, sodium bicarbonate, synthetic oil and ammonium bicarbonate be (150~
200): (1.0~1.2): (1.0~1.5): (2.0~2.3): (3.0~3.5).
It is highly preferred that the synthetic oil is UPA synthetic oil.It is highly preferred that when sodium formate and sodium bicarbonate rotation immersion is added
Between be at least 20min；Synthetic oil is added and ammonium bicarbonate rotation soaking time is at least 100min.It is highly preferred that washing time is at least
For 5min.It is highly preferred that the temperature in neutralization step is 30~40 DEG C.It is highly preferred that in neutralization step in rotary drum solution pH
It is 6.5~6.8.
Preferably, in filling work procedure, water, oil and acrylic acid rotation is added in rotary drum and impregnates；Add three chlorocyanamides, evergreen chinquapin
Glue and acid dyes rotation are impregnated.Preferably, the mass ratio of water, oil, acrylic acid, three chlorocyanamides, tannin extract and acid dyes is (50
~60): (2.0~2.2): (1.8~2.2): (3.0~3.5): (6.0~7.0): (0.2~0.5).
Wherein preferably, oil is FS80 oil or/and acrylic acid is R83 acrylic acid or/and three chlorocyanamides are tri- chlorocyanamide of T-B
And/or tannin extract is SUN tannin extract.Preferably, the temperature of filling work procedure is 30~40 DEG C.Preferably, water, oil and acrylic acid is added to turn
The dynamic time impregnated is at least 15min.Preferably, the time that three chlorocyanamides, tannin extract and dyestuff rotation immersion are added is at least
20min。
Preferably, in oiling process, water, 94S oil, UPA synthetic oil, BA oil and mould inhibitor rotation leaching are added in rotary drum
Bubble；Formic acid rotation is added to impregnate.Preferably, the mass ratio of water, 94S oil, UPA synthetic oil, BA oil, mould inhibitor and formic acid is
(150~180): (4.0~4.5): (2.0~2.5): (3.0~4.0): (0.1~0.2): (1.5~1.8).
It is highly preferred that it is at least 100min that 94S oil, UPA synthetic oil, BA oil and mould inhibitor rotation soaking time, which is added,.More
Preferably, rotary drum is added in two portions in the formic acid, (plus, is added after static 10min and adds again for the first time in two times after being added for the first time
Enter second of static 20min.
Preferably, to wash out bulging ox-hide carry out it is dry fall, it is dry that fall the time be at least 20min.It is highly preferred that dry fall the time
For 30~40min.
Preferably, pre-treatment described herein be soaked in advance using rotary drum ox-hide, main immersion, liming, answer it is grey,
Drainage sunk well after pre- deliming.
Preferably, it in pre- soaking process, is counted on the basis of the gross mass of ox-hide, water, fungicide, BH immersion is added in rotary drum
Agent, soda ash and FG-B degreasing agent.Preferably, the mass ratio of water, fungicide, BH immersion agent, soda ash and FG-B degreasing agent is (200
~400): (0.1~0.3): (0.05~0.15): (0.05~0.15): (0.05~0.15).Above-mentioned chemistry is added in rotary drum
Ox-hide is put into after reagent.It is highly preferred that pre- soaking process carries out at normal temperature.It is highly preferred that rotation adds in pre- soaking process
It is at least 10min between working hour, it is highly preferred that being 15min~20min.Preferably, static at least 30min after rotation is primary.It is more excellent
Selection of land, rotating static is a circulation, and pre- soaking process includes 3 circulations.
Preferably, in main soaking process, water, fungicide, BH immersion agent, soda ash and FG-B degreasing agent are added in rotary drum.It is excellent
Selection of land, water, fungicide, immersion agent, soda ash and FG-B degreasing agent mass ratio be (200~300): (0.05~0.25): (0.05
~0.15): (0.4~0.6): (0.1~0.3).Ox-hide is put into after above-mentioned chemical reagent is added in rotary drum.It is highly preferred that
Main soaking process carries out at normal temperature.It is highly preferred that the rotation process time of main soaking process is at least 10min, it is highly preferred that
For 15min~20min.
Preferably, in liming process, water, AW liming agent and FG-B degreasing agent are first added in rotary drum；Then sulphur hydrogenation is added
Sodium；Add lime and vulcanized sodium；Add lime and vulcanized sodium.Preferably, the chemical substance water that respectively sequentially adds, AW liming
Agent, FG-B degreasing agent, NaHS, lime, vulcanized sodium, lime, sodium sulphate mass ratio be (80~85): (1~1.5):
(0.2~0.4): (1~1.5): (0.3~0.6): (0.6~0.9): (0.8~1.2): (0.6~0.8).
Preferably, rotation handles at least 10min after addition water, liming agent and degreasing agent.Preferably, after NaHS being added
Rotation handles at least 10min then static soak at least 10min, it is highly preferred that rotation processing 15min after NaHS is added,
Then static soak 15min.Preferably, rotation handles at least 10min then static soak 10min after lime, sodium sulphate is added,
It is highly preferred that the lime of 0.3wt%~0.6wt% is added, rotation processing 15min after the vulcanized sodium of 0.6~0.9wt%, then
Static soak 15min；It is highly preferred that rotation static soak is a circulation, recycle at least 2 times.Preferably, 0.8wt% is added
The lime of~1.2wt%, rotation processing 15min after the vulcanized sodium of 0.6~0.8wt%, then static soak 15min；More preferably
Ground, rotation static soak are a circulation, are recycled at least 2 times.Preferably, liming process can be with repeated several times.
Preferably, in multiple ash process, water, FG-B degreasing agent, lime and NaHS are added in rotary drum.Preferably, add
The mass ratio of the chemical substance water, FG-B degreasing agent, lime and the NaHS that enter is (200~300): (0.1~0.2): (2.0
~2.5): (1.0~1.2).After rotary drum is added in above-mentioned chemical substance, ox-hide is added and carries out rotation processing.The rotation processing time
It is at least 3min, then static soak.Soaking time is at least 30min.Such as rotate 5min, static 55 minutes.
Preferably, in pre- deliming process, water and ammonium sulfate are added in rotary drum.Preferably, the mass ratio of water and ammonium sulfate
For (50~60): (1.0~1.2).After rotary drum is added in above-mentioned chemical substance, adds ox-hide and carry out rotation processing.At rotation
The time of reason is at least 20min, for example 30min.
Please supplement technical scheme the utility model has the advantages that
After the method for softening ox-hide in the application, the pliability of ox-hide is significantly improved, cow leather mat skin-friendly and ventilative
Property improve, compared with conventional softness, pliability and elasticity are improved while not reducing ox-hide intensity；It increases ox-hide and uses writer
Spin the comfort of seat in articles.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
It should be clear that in the following example not specifically dated process equipment or device be all made of conventional equipment in the art or
Device.
In addition, it should also be understood that, one or more method and step mentioned in the present invention does not repel before and after the combination step
It can also be inserted into other methods step there may also be other methods step or between these explicitly mentioned steps, unless separately
It is described；It should also be understood that the combination connection relationship between one or more equipment/device mentioned in the present invention is not repelled
The two equipment/devices specifically mentioned before and after the unit equipment/device there may also be other equipment/device or at these it
Between can also be inserted into other equipment/device, unless otherwise indicated.Moreover, unless otherwise indicated, the number of various method steps is only
Identify the convenient tool of various method steps, rather than for the arrangement order of limitation various method steps or limits the enforceable model of the present invention
It encloses, relativeness is altered or modified, and without material changes in technical content, when being also considered as, the present invention is enforceable
Scope.
A kind of softening provided herein is used as the method for the ox-hide of seat, includes the following steps: to the ox-hide after pre-treatment
In rotary drum then softening is washed, then pickling, pickling, retanning, neutralization and washing；It is subsequently filled, refuels and wash out drum and go forward side by side
Row falls soft.
Pre-treatment described herein is to be soaked in advance using rotary drum ox-hide, main immersion, liming, answer ash, pre- deliming
Drainage sunk well afterwards.
Pre-treatment step specific process parameter is as follows in the embodiment of the present application:
It in pre- soaking process, is counted on the basis of the gross mass of ox-hide, the water of 200wt% is added in rotary drum, 0.2wt%'s kills
Microbial inoculum, the BH immersion agent of 0.1wt%, the soda ash of 0.1wt%, the FG-B degreasing agent of 0.1wt%.Above-mentioned chemistry is added in rotary drum
Ox-hide is put into after reagent.Pre- soaking process carries out at normal temperature.It is 15min that process time is rotated in pre- soaking process.Rotation
Static soak 40min after primary.Rotating static is a circulation, and pre- soaking process includes 3 circulations in the present embodiment.
It in main soaking process, is counted on the basis of the gross mass of ox-hide, the water of 200wt% is added in rotary drum, 0.1wt%'s kills
Microbial inoculum, the BH immersion agent of 0.1wt%, the soda ash of 0.5wt%, the FG-B degreasing agent of 0.2wt%.Above-mentioned chemistry is added in rotary drum
Ox-hide is put into after reagent.Main soaking process carries out at normal temperature.The rotation process time of main soaking process is 15min.
It in liming process, is counted on the basis of the gross mass of ox-hide, the water of 80wt%, the AW leaching of 1wt% is first added in rotary drum
Grey agent, the FG-B degreasing agent of 0.2wt%, rotation processing 20min；Then 1wt% NaHS is added, rotation handles 15min, so
Static soak 15min afterwards；Add the lime of 0.5wt%, the vulcanized sodium of 0.8wt%, rotation processing 15min static soak
Then 15min is rotated further by processing 15min static soak 15min again；The lime of 1wt% is added, the vulcanized sodium of 0.7wt% turns
Then dynamic processing 15min static soak 15min is rotated further by processing 15min static soak 15min again.
It in multiple ash process, is counted on the basis of the gross mass of ox-hide, the water of 200wt%, 0.1wt%FG-B is added in rotary drum
Degreasing agent, the lime of 2.0wt%, the NaHS of 1.0wt%.After rotary drum is added in above-mentioned chemical substance, ox-hide is added and carries out
Rotation processing, rotate 5min, static soak 55 minutes.
It in pre- deliming process, is counted on the basis of the gross mass of ox-hide, the water and 1.0wt% of 50wt% is added in rotary drum
Ammonium sulfate.After rotary drum is added in above-mentioned chemical substance, adds ox-hide and carry out rotation processing.The time of rotation processing is 30min.
Embodiment 1
The bating step is that tenderising soln is added in rotary drum to carry out immersion treatment, on the basis of the gross mass of ox-hide
It counts, includes the water of 60wt%, the FG-B degreasing agent of 0.2wt%, the softening agent and 0.2wt% of 0.5wt% in the tenderising soln
Bleeding agent.Softening agent is the mixture of amido-modified silicone microemulsion and anionic silanol lotion, wherein amino modified have
Machine silicon emulsion and the mass ratio of anionic silanol lotion are 3:1.Bleeding agent is polyethenoxy ether class compound and the poly- second of alkyl
The mass ratio of the mixture of glycol ethers, polyethenoxy ether class compound and alkyl polyglycol ether is 1:2.In softening process, turn
The dynamic processing time is 60min.It washes out and rouses after softening.
It in acid soaking step, is counted on the basis of ox-hide quality, the water of 50wt% and the sodium chloride of 5wt% is first added in rotary drum
Rotation is impregnated, and the acetic acid rotation for then adding 1.0wt% is impregnated, and the formic acid rotation for adding 0.5wt% is impregnated, and is then added
10% sulfuric acid of 1.0wt%, which rotates, to be impregnated, and the chromium powder rotation for adding 6.0wt% is impregnated, and adds the sodium carbonate of 0.3wt%
Rotation is impregnated, and the water for being then added 100% rotates immersion 240min at 35~45 DEG C.
It in acid pickling step, is counted on the basis of ox-hide quality, the water of 200wt% is added in rotary drum, the FG-B of 0.2wt% is de-
Rouge agent, the formic acid of 0.3wt%, rotation are impregnated.Soaking temperature is 35~45 DEG C.Rotation soaking time is 60min.
Retanning is to rotate to impregnate in rotary drum, wherein being counted on the basis of the quality for the ox-hide that rotary drum is added, in retanning procedures
30min is impregnated in the synthetic oil rotation that the water and 1.0wt%HLG of 100wt% are added in rotary drum, and the chromium powder for adding 5.0wt% turns
Dynamic to impregnate 150min, 30min is impregnated in the sodium bicarbonate rotation for adding the sodium formate and 0.3wt% of 1.0wt%.In retanning procedures
Temperature is 30~40 DEG C.
In neutralization step, counted on the basis of the gross mass of rotary drum heifer, in rotary drum be added 150wt% water,
30min is impregnated in the sodium bicarbonate rotation of the sodium formate and 1.0wt% of 1.0wt%；Add 2.0wt% UPA synthetic oil and
120min is impregnated in the ammonium bicarbonate rotation of 3.0wt%, then washes.Temperature in neutralization step is 30~40 DEG C.
It in filling work procedure, is counted on the basis of the quality of ox-hide, the water of 50wt%, the FS80 of 2.0wt% is added in rotary drum
20min is impregnated in the rotation of the R83 acrylic acid of oil and 1.8wt%；Add three chlorocyanamides of 3.0wt%, the SUN tannin extract of 6.0wt%
30min is impregnated in acid dyes rotation with 0.2wt%.
In oiling process, counted on the basis of the quality of ox-hide, in rotary drum be added 150wt% water, 4.0%94S oil,
120min is impregnated in 2.0%UPA synthetic oil, 3.0%BA oil and the rotation of 0.1wt% mould inhibitor；Add the rotation of 1.5wt% formic acid
10min；Rotary drum is added in two portions in the formic acid, adds second after static 10min is added for the first time and then is rotated further by 10min
Static 20min.
To wash out bulging ox-hide carry out it is dry fall, it is dry that fall the time be 30min.
Embodiment 2
The bating step is that tenderising soln is added in rotary drum to carry out immersion treatment, on the basis of the gross mass of ox-hide
It counts, includes the water of 70wt%, the FG-B degreasing agent of 0.3wt%, the softening agent and 0.3wt% of 0.6wt% in the tenderising soln
Bleeding agent.Softening agent is the mixture of amido-modified silicone microemulsion and anionic silanol lotion, wherein amino modified have
Machine silicon emulsion and the mass ratio of anionic silanol lotion are 2:1.Bleeding agent is polyethenoxy ether class compound and the poly- second of alkyl
The mass ratio of the mixture of glycol ethers, polyethenoxy ether class compound and alkyl polyglycol ether is 1:1.In softening process, turn
The dynamic processing time is 40min.It washes out and rouses after softening.
It in acid soaking step, is counted on the basis of ox-hide quality, the water of 60wt% and the sodium chloride of 6wt% is first added in rotary drum
Rotation is impregnated, and the acetic acid rotation for then adding 1.2wt% is impregnated, and the formic acid rotation for adding 0.6wt% is impregnated, and is then added
5% sulfuric acid of 1.2wt%, which rotates, to be impregnated, and the chromium powder rotation for adding 6.5wt% is impregnated, and adds the sodium bicarbonate of 0.4wt%
300min is impregnated in rotation, and the water for being then added 100% rotates immersion 240min at 35~45 DEG C.
It in acid pickling step, is counted on the basis of ox-hide quality, the water of 200wt% is added in rotary drum, the FG-B of 0.3wt% is de-
Rouge agent, the formic acid of 0.2wt%, rotation are impregnated.Rotation soaking time is 50min.
Retanning is to rotate to impregnate in rotary drum, wherein being counted on the basis of the quality for the ox-hide that rotary drum is added, in retanning procedures
20min is impregnated in the HLG synthetic oil rotation that the water and 1.2wt% of 100wt% are added in rotary drum, and the chromium powder for adding 5.5wt% turns
Dynamic to impregnate 100min, 20min is impregnated in the sodium bicarbonate rotation for adding the sodium formate and 0.4wt% of 1.1wt%.
In neutralization step, counted on the basis of the gross mass of rotary drum heifer, in rotary drum be added 200wt% water,
20min is impregnated in the sodium bicarbonate rotation of the sodium formate and 1.5wt% of 1.2wt%；Add 2.3wt% UPA synthetic oil and
100min is impregnated in the ammonium bicarbonate rotation of 3.2wt%, then washes 5min.
It in filling work procedure, is counted on the basis of the quality of rotary drum heifer, water, the 2.2wt% of 55wt% is added in rotary drum
FS80 oil and 2.2wt% R83 acrylic acid rotate impregnate；Add tri- chlorocyanamide of T-B of 3.5wt%, the SUN of 7.0wt%
20min is impregnated in the rotation of the acid dyes of tannin extract and 0.5wt%.
It in oiling process, is counted on the basis of the quality of rotary drum heifer, 150wt% water, 4.5%94S is added in rotary drum
120min is impregnated in oil, 2.5%UPA synthetic oil, 4.0%BA oil and the rotation of 0.2wt% mould inhibitor；1.8wt% formic acid is added to turn
It is dynamic to impregnate 10min static soak 20min.
To wash out bulging ox-hide carry out it is dry fall, it is dry that fall the time be 20min.
Embodiment 3
The bating step is that tenderising soln is added in rotary drum to carry out rotation immersion treatment 60min, with total matter of ox-hide
Counted on the basis of amount, in the tenderising soln include 60wt% water, the FG-B degreasing agent of 0.2wt%, the softening agent of 0.8wt% and
The bleeding agent of 0.3wt%.Softening agent is the mixture of amido-modified silicone microemulsion and anionic silanol lotion, wherein amino
Modified organic silicon emulsion and the mass ratio of anionic silanol lotion are 4:1.Bleeding agent is polyethenoxy ether class compound and alkane
The mass ratio of the mixture of base polyglycol ether, polyethenoxy ether class compound and alkyl polyglycol ether is 1:3.
It in acid soaking step, is counted on the basis of ox-hide quality, the water of 55wt% and the sodium chloride of 6wt% is first added in rotary drum
10min is impregnated in rotation, and 5min is impregnated in the acetic acid rotation for then adding 1.2wt%, and the formic acid rotation for adding 0.6wt% is impregnated
10min, is then added the 15% sulfuric acid rotation 10min and static soak 20min of 0.5wt%, and the chromium powder for adding 6.5wt% turns
Dynamic to impregnate 120min, 300min is impregnated in the sodium carbonate rotation for adding 0.4wt%, and then the water of addition 100% turns at 45 DEG C
Dynamic 240min.
It in acid pickling step, is counted on the basis of ox-hide quality, the water of 200wt% is added in rotary drum, the FG-B of 0.1wt% is de-
60min is impregnated in rouge agent, the formic acid of 0.4wt%, rotation.
Retanning is to rotate to impregnate in rotary drum, wherein being counted on the basis of the quality for the ox-hide that rotary drum is added, in retanning procedures
30min is impregnated in the HLG synthetic oil rotation that the water and 1.2wt% of 100wt% are added in rotary drum, and the chromium powder for adding 5.5wt% turns
Dynamic to impregnate 150min, 30min is impregnated in the sodium bicarbonate rotation for adding the sodium formate and 0.5wt% of 1.2wt%.
In neutralization step, counted on the basis of the gross mass of rotary drum heifer, in rotary drum be added 200wt% water,
30min is impregnated in the sodium bicarbonate rotation of the sodium formate and 1.5wt% of 1.2wt%；Add 2.3wt% UPA synthetic oil and
120min is impregnated in the ammonium bicarbonate rotation of 3.5wt%, then washes 10min.
It in filling work procedure, is counted on the basis of the quality of rotary drum heifer, water, the 2.2wt% of 60wt% is added in rotary drum
FS80 oil and 2.0wt% R83 acrylic acid rotation impregnate 20min；Add tri- chlorocyanamide of T-B, the 7.0wt% of 3.5wt%
SUN tannin extract and 0.4wt% acid dyes rotation impregnate 30min.
It in oiling process, is counted on the basis of the quality of rotary drum heifer, 180wt% water, 4.5%94S is added in rotary drum
120min is impregnated in oil, 2.5%UPA synthetic oil, 3.5%BA oil and the rotation of 0.2wt% mould inhibitor；1.5wt% formic acid is added to turn
Static soak 20min after dynamic 10min.
To wash out bulging ox-hide carry out it is dry fall, it is dry that fall the time be 30min.
The pliability of treated in Examples 1 to 3 ox-hide is detected, detection method reference standard ISO 17235-
The physics and mechanical test of 2002 pliabilitys.Specific testing result see the table below shown.Wherein, comparative sample one is untreated ox-hide
As former state.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of softening is used as the method for the ox-hide of seat, include the following steps: to soften the ox-hide after pre-treatment in rotary drum so
After wash, then pickling, pickling, retanning, neutralization and washing；It is subsequently filled, refuels and wash out drum and fall soft.
2. the method according to claim 1, wherein softening process includes one of following feature or a variety of:
The bating step is that tenderising soln is added in rotary drum to carry out immersion treatment；
It include water, degreasing agent, softening agent and bleeding agent in the tenderising soln；
The rotation processing time is at least 40min in softening process.
3. the method according to claim 1, wherein water and sodium chloride are first added in rotary drum in pickling procedure
Rotation is impregnated, and is then added acetic acid rotation and is impregnated, and is added formic acid rotation and is impregnated, it is 5%~15% that concentration, which is then added,
Aqueous sulfuric acid rotation is impregnated, and is added chromium powder rotation and is impregnated, and is added to mention alkaline agent and rotate and be impregnated, water is then added 35~45
It rotates and impregnates at DEG C.
4. the method according to claim 1, wherein in pickling process, including one of following feature or more
Kind:
Water, degreasing agent and formic acid are added in rotary drum, rotation is impregnated；
Soaking temperature is 35~45 DEG C；
Rotating soaking time is at least 50min.
5. the method according to claim 1, wherein water and synthetic oil rotation are added in retanning procedures, in rotary drum
It impregnates, adds chromium powder rotation and impregnate, add sodium formate and sodium bicarbonate rotation is impregnated.
6. the method according to claim 1, wherein in neutralization step, water, sodium formate and small are added in rotary drum
Soda rotation is impregnated；It adds synthetic oil and ammonium bicarbonate rotation is impregnated, then wash.
7. the method according to claim 1, wherein water, oil and acrylic acid are added in rotary drum in filling work procedure
Rotation is impregnated；Three chlorocyanamides, tannin extract and acid dyes rotation is added to impregnate.
8. the method according to claim 1, wherein water, 94S oil, UPA are added in rotary drum in oiling process
Synthetic oil, BA oil and mould inhibitor rotation are impregnated；Formic acid rotation is added to impregnate.
9. the method according to claim 1, wherein the pre-treatment is to be presoaked using rotary drum to ox-hide
It is drained after water, main immersion, liming, multiple ash, pre- deliming.
10. according to the method described in claim 9, it is characterised in that it includes one of following feature or a variety of:
In pre- soaking process, water, fungicide, BH immersion agent, soda ash and FG-B degreasing agent are added in rotary drum；
In main soaking process, water, fungicide, BH immersion agent, soda ash and FG-B degreasing agent are added in rotary drum；
In liming process, water, AW liming agent and FG-B degreasing agent are first added in rotary drum；Then NaHS is added；Add stone
Ash and vulcanized sodium；Add lime and vulcanized sodium；
In multiple ash process, water, FG-B degreasing agent, lime and NaHS are added in rotary drum；
In pre- deliming process, water and ammonium sulfate are added in rotary drum.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569555.2A CN109576413A (en) | 2018-12-21 | 2018-12-21 | A method of softening is used as the ox-hide of seat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811569555.2A CN109576413A (en) | 2018-12-21 | 2018-12-21 | A method of softening is used as the ox-hide of seat |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1928122A (en) * | 2005-09-05 | 2007-03-14 | 杨河山 | Mat prepared from scalper skin and preparation process |
| CN101921881A (en) * | 2010-04-22 | 2010-12-22 | 张壮斗 | Novel process for recycling waste leather-making liquid step by step |
| CN102965921A (en) * | 2012-12-14 | 2013-03-13 | 吴江市利达上光制品有限公司 | Softener for artificial leather |
-
2018
- 2018-12-21 CN CN201811569555.2A patent/CN109576413A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1928122A (en) * | 2005-09-05 | 2007-03-14 | 杨河山 | Mat prepared from scalper skin and preparation process |
| CN101921881A (en) * | 2010-04-22 | 2010-12-22 | 张壮斗 | Novel process for recycling waste leather-making liquid step by step |
| CN102965921A (en) * | 2012-12-14 | 2013-03-13 | 吴江市利达上光制品有限公司 | Softener for artificial leather |
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Effective date of registration: 20210220 Address after: 226009 No. 1699 Xing Hu Road, Nantong economic and Technological Development Zone, Nantong, Jiangsu Applicant after: LUOLAI LIFESTYLE TECHNOLOGY Co.,Ltd. Applicant after: Shanghai Luolai Life Technology Co.,Ltd. Applicant after: LUOLAI HOME TEXTILE Co.,Ltd. Address before: 226009 No. 1699 Xing Hu Road, Nantong economic and Technological Development Zone, Nantong, Jiangsu Applicant before: LUOLAI LIFESTYLE TECHNOLOGY Co.,Ltd. Applicant before: LUOLAI HOME TEXTILE Co.,Ltd. |
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Application publication date: 20190405 |