CN106283729A - The two-bath process method of superfine fiber chemical leather - Google Patents
The two-bath process method of superfine fiber chemical leather Download PDFInfo
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- CN106283729A CN106283729A CN201610664782.8A CN201610664782A CN106283729A CN 106283729 A CN106283729 A CN 106283729A CN 201610664782 A CN201610664782 A CN 201610664782A CN 106283729 A CN106283729 A CN 106283729A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/39—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using acid dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/60—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing polyethers
- D06P1/613—Polyethers without nitrogen
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/651—Compounds without nitrogen
- D06P1/65106—Oxygen-containing compounds
- D06P1/65125—Compounds containing ester groups
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/653—Nitrogen-free carboxylic acids or their salts
- D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/24—Polyamides; Polyurethanes
- D06P3/241—Polyamides; Polyurethanes using acid dyes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
- D06P5/08—After-treatment with organic compounds macromolecular
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- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
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Abstract
The invention provides a kind of two-bath process method of superfine fiber chemical leather, comprise the following steps successively: (1) superfine fiber chemical leather pre-treatment, the dyeing of (2) superfine fiber chemical leather and (3) superfine fiber chemical leather Final finishing；Described superfine fiber chemical leather colouring method, comprise the steps: that (A) is by superfine fiber chemical leather after pre-treatment, it is placed in the dye bath containing sulfur dye sulfur dye and Caustic soda, room temperature operates, then heat up, add the mixed liquor of sodium hydrosulfite and Caustic soda, be incubated 30～60min, after discharge opeing washing, with acetic acid and H2O2Aoxidize, then soaping agent is soaped, discharge opeing；(B) the Plus acidic dyestuff of room temperature, levelling agent, acetic acid and defoamer, insulation, washing, go out cloth and dry；Then (3) superfine fiber chemical leather Final finishing is carried out.Using the dyed ultrafine fiber synthetic leather that said method obtains, testing friction fastness (testing standard ISO 105 X12 2001), xerotripsis can reach 4～5 grades, and wet rubbing can reach 3～4 grades, solves the demand of high-end customer.
Description
Technical field
The present invention relates to the dyeing of synthetic leather.
Background technology
Superfine fiber chemical leather is the dermatine of the novel high-grade time that a kind of superfine nylon fiber is made, and can be used as
The fields such as footwear, case and bag, furniture, automotive trim, have the characteristic of corium and the index more superior than corium.With three-dimensional net structure
Not weaving fabric of superfine fiber be the Synthetic Leather of base fabric be the synthetic leather of new generation that developed recently gets up, someone is called
Four generation artificial leathers, can compare favourably with senior natural leather, have the sucting wet air permeability that natural leather is intrinsic, and in resistance toization
The aspects such as the property learned, waterproof, anti-mildew exceed natural leather.But due to the characteristic of its superfine fibre, pulp freeness is big,
Color rendering properties is poor, and the dyestuff of absorption easily comes off, so conventional one-bath dyeing dry and wet crock fastness is low, and particularly wet friction jail
Degree, dark kind can only achieve 1 grade, far from meeting the requirement of high-end market, therefore, improves the dry and wet of superfine fiber chemical leather
Crock fastness is the inexorable trend of market development.
Summary of the invention
It is an object of the invention to be to provide a kind of two-bath process method of superfine fiber chemical leather, to overcome existing skill
The defect that art exists.
The two-bath process method of superfine fiber chemical leather of the present invention, comprises the following steps successively:
(1) superfine fiber chemical leather pre-treatment, (2) superfine fiber chemical leather are dyeed and whole after (3) superfine fiber chemical leather
Reason；
Superfine fiber chemical leather colouring method, comprises the steps:
(A) by superfine fiber chemical leather after pre-treatment, it is placed in containing sulfur dye 3～8% (o.w.f.) sulfur dye and 1
～in the dye bath of 3g/L Caustic soda, bath raio is: 1:5～1:15, after room temperature operating 15～20min, with, the intensification of 1～3 DEG C/min
Speed, is warmed up to 60～85 DEG C, adds sodium hydrosulfite 5～15g/L and the mixed liquor of Caustic soda 1～2g/L, is incubated 30～60min, preferably
Temperature retention time be 40～60min, discharge opeing washing after, with 0.1～1g/L acetic acid and 1.5～3.5g/L H2O2(35% weight hundred
Proportion by subtraction concentration) 50～70 DEG C of oxidations 30～60min, then soaping agent SN-S 0.5～2g/L, soap 30～60min for 90～100 DEG C,
Discharge opeing；
(B) the Plus acidic dyestuff of room temperature, levelling agent, acetic acid, defoamer, bath raio 1:5～1:15,90～110 DEG C insulation 40～
60min, after preferably 50～60min, 60～70 DEG C of washings 10～30min, go out cloth and dry；Then the synthesis of (3) superfine fibre is carried out
Leather Final finishing.
The weight consumption of each component is:
Acid stain 1～5% (o.w.f.)；
Levelling agent consumption is 1～3% (o.w.f.)
Acetic acid 0.5～2g/L
Defoamer 0.1～0.5g/L；
Term " o.w.f. " refers to the ratio of dyestuff and the weight of fabric, and in dyeing and finishing technology, concentration is with fabric weight as base
Standard, opposed fabric percentage ratio；
Term " bath raio " refers to dye liquor and the pollutant mass ratio prepared when contaminating or exhaust dye dyeing；
Described sulfur dye is benzothiazole structure, can use commercially produced product, such as the Blue S-of Japan's rising sun chemistry
BC, described acid stain is amino-hydroxy anthraquinone ring, such as the dark blue FS-B of tower westernization work；Described levelling agent is fat
Acid FMEE, such as the PMD-1 of safe peaking work, described defoamer is polyoxyethylene polyoxypropylene generally in the art
Tetramethylolmethane ether, such as the AT-208 of Yixing Ai Tai；
Preferably, described superfine fiber chemical leather pre-treating method comprises the steps:
Being put into by superfine fiber chemical leather in High Temperature High Pressure overflow dyeing machine, add 6～9g/L scouring agents, bath raio is 1:10
～1:40, temperature is 70～80 DEG C, discharge opeing after concise 30～60min.
Described scouring agent is nonionic surfactant, can use commercially produced product, such as the scouring agent DM-of dolantin chemical industry
1324, it is more highly preferred to, bath raio 1:10～1:30；
Preferably, described postfinishing process comprises the steps:
Carry out fixing finish:
Superfine fiber chemical leather after dyeing is placed in fixation bath, an immersing and rolling, liquid carrying rate 40～60%, temperature 110
～140 DEG C of drying, it is more highly preferred to, described drying temperature 130～140 DEG C；
In fixation bath, containing color fixing agent 30～100g/L and acetic acid 0.1～0.5g/L；
Described color fixing agent is acrylic ester monomer copolymer, can use commercially produced product, such as the fixation of emerging health chemical industry
Agent RC；
Use the dyed ultrafine fiber synthetic leather that said method obtains, testing friction fastness (testing standard ISO 105X12-
2001), xerotripsis can reach 4～5 grades, and wet rubbing can reach 3～4 grades, solves the demand of high-end customer.
Detailed description of the invention
Further illustrate the present invention by embodiment below, but the present invention is not intended to be limited thereto.
In embodiment, if no special instructions, the consumption of component is weight.
Embodiment 1
(1) pre-treating technology
Being put into by superfine fiber chemical leather in High Temperature High Pressure overflow dyeing machine, add 6g/L scouring agent, bath raio is 1:10, temperature
Degree is 70 DEG C, discharge opeing after concise 30min.
Scouring agent in described step (1), uses commercially produced product, the scouring agent DM-1324 of dolantin chemical industry.
(2) dyeing
Sulfur dyeing: room temperature adds sulfur dye 3% (o.w.f.) and Caustic soda 1g/L, and bath raio 1:5, after operating 15min
Heating up, 1 DEG C/min adds sodium hydrosulfite 5g/L and the mixed liquor of Caustic soda 1g/L after being warmed up to 60 DEG C, is incubated 30min, uses after discharge opeing washing
0.1g/L acetic acid and 1.5g/L H2O2(35%) 50 DEG C of oxidation 30min, then soaping agent SN-S 0.5g/L, 90 DEG C of 30min rows that soap
Liquid.
Acid dyeing: the Plus acidic dyestuff of room temperature 1% (o.w.f.), levelling agent consumption is 1% (o.w.f.), and acetic acid is used
Amount is 0.5g/L, and defoamer consumption is 0.1g/L, bath raio 1:5, after 90 DEG C of insulation 40min, goes out after 60 DEG C of tap water washing 10min
Cloth is dried.
Described sulfur dye, uses commercially produced product, such as the Blue S-BC of Japan's rising sun chemistry, described acid stain, adopts
With the dark blue FS-B of tower westernization work, described defoamer is polyoxyethylene polyoxypropylene tetramethylolmethane ether generally in the art, as
The AT-208 of Yixing Ai Tai；
(3) postfinishing process
Carry out fixing finish, add 30g/L Fixative R C and 0.1g/L acetic acid, an immersing and rolling, liquid carrying rate 40%, dry temperature
Spend 110 DEG C.
Color fixing agent uses commercially produced product, the Fixative R C of emerging health chemical industry.
Use the dyed ultrafine fiber synthetic leather that said method obtains, testing friction fastness (testing standard ISO 105X12-
2001), xerotripsis can reach 4 grades, and wet rubbing can reach 3.5 grades.
Embodiment 2
(1) pre-treating technology
Being put into by superfine fiber chemical leather in High Temperature High Pressure overflow dyeing machine, add 9g/L scouring agent, bath raio is 1:40, temperature
Degree is 80 DEG C, discharge opeing after concise 60min.
Scouring agent, uses the scouring agent DM-1324 of dolantin chemical industry.
(2) dyeing
Sulfur dyeing: room temperature adds sulfur dye 8% (o.w.f.) and Caustic soda 3g/L, and bath raio 1:15, after operating 20min
Heating up, 3 DEG C/min adds sodium hydrosulfite 15g/L and the mixed liquor of Caustic soda 2g/L after being warmed up to 85 DEG C, is incubated 60min, after discharge opeing washing
With 1g/L acetic acid and 3.5g/L H2O2(35%) 70 DEG C of oxidation 60min, then soaping agent SN-S 2g/L, 100 DEG C of 60min rows that soap
Liquid.
Acid dyeing: the Plus acidic dyestuff of room temperature 5% (o.w.f.), levelling agent consumption is 3% (o.w.f.), and acetic acid is used
Amount is 2g/L, and defoamer consumption is 0.5g/L, bath raio 1:15, after 110 DEG C of insulation 60min, goes out after 70 DEG C of tap water washing 30min
Cloth is dried.
Sulfur dye uses the Blue S-BC of Japan's rising sun chemistry, and acid stain is the dark blue FS-B of tower westernization work, described
Defoamer is polyoxyethylene polyoxypropylene tetramethylolmethane ether generally in the art, such as the AT-208 of Yixing Ai Tai；
(3) postfinishing process
Carry out fixing finish, add 100g/L Fixative R C and 0.5g/L acetic acid, an immersing and rolling, liquid carrying rate 60%, dry
Temperature 140 DEG C.
Color fixing agent uses the Fixative R C of emerging health chemical industry.
Use the dyed ultrafine fiber synthetic leather that said method obtains, testing friction fastness (testing standard ISO 105X12-
2001), xerotripsis can reach 4 grades, and wet rubbing can reach 3 grades.
Embodiment 3
(1) pre-treating technology
Being put into by superfine fiber chemical leather in High Temperature High Pressure overflow dyeing machine, add 8g/L scouring agent, bath raio is 1:20, temperature
Degree is 75 DEG C, discharge opeing after concise 45min.
Scouring agent is the scouring agent DM-1324 of dolantin chemical industry.
(2) dyeing
Sulfur dyeing: room temperature adds sulfur dye 6% (o.w.f.) and Caustic soda 2g/L, and bath raio 1:10, after operating 18min
Heating up, 2 DEG C/min adds sodium hydrosulfite 10g/L and the mixed liquor of Caustic soda 1.5g/L after being warmed up to 70 DEG C, is incubated 50min, and discharge opeing is washed
Afterwards with 0.5g/L acetic acid and 2g/L H2O2(35%) 60 DEG C of oxidation 45min, then soaping agent SN-S 1g/L, 95 DEG C of 45min rows that soap
Liquid.
Acid dyeing: the Plus acidic dyestuff of room temperature 3% (o.w.f.), levelling agent consumption is 2% (o.w.f.), and acetic acid is used
Amount is 1g/L, and defoamer consumption is 0.3g/L, bath raio 1:10, after 100 DEG C of insulation 55min, goes out after 65 DEG C of tap water washing 20min
Cloth is dried, and described defoamer is polyoxyethylene polyoxypropylene tetramethylolmethane ether generally in the art, such as the AT-of Yixing Ai Tai
208, sulfur dye uses the Blue S-BC of Japan's rising sun chemistry, and acid stain is the dark blue FS-B of tower westernization work.
(3) postfinishing process
Carry out fixing finish, add 60g/L Fixative R C and 0.3g/L acetic acid, an immersing and rolling, liquid carrying rate 50%, dry temperature
Spend 135 DEG C.
Color fixing agent uses the Fixative R C of emerging health chemical industry.
Use the dyed ultrafine fiber synthetic leather that said method obtains, testing friction fastness (testing standard ISO 105X12-
2001), xerotripsis can reach 4.5 grades, and wet rubbing can reach 4 grades.
Embodiment 4
(1) pre-treating technology
Being put into by superfine fiber chemical leather in High Temperature High Pressure overflow dyeing machine, add 6g/L scouring agent, bath raio is 1:30, temperature
Degree is 75 DEG C, discharge opeing after concise 60min.
Scouring agent use business ethics to beautify the scouring agent DM-1324 of work.
(2) dyeing
Sulfur dyeing: room temperature adds sulfur dye 6% (o.w.f.) and Caustic soda 3g/L, and bath raio 1:8, after operating 15min
Heating up, 2.5 DEG C/min adds sodium hydrosulfite 5g/L and the mixed liquor of Caustic soda 2g/L after being warmed up to 80 DEG C, is incubated 50min, after discharge opeing washing
With 0.1g/L acetic acid and 2g/L H2O2(35%) 70 DEG C of oxidation 40min, then soaping agent SN-S 2g/L, 100 DEG C of 30min rows that soap
Liquid.
Acid dyeing: the Plus acidic dyestuff of room temperature 4% (o.w.f.), levelling agent consumption is 3% (o.w.f.), and acetic acid is used
Amount is 0.5g/L, and defoamer consumption is 0.4g/L, bath raio 1:8, after 90 DEG C of insulation 60min, goes out after 60 DEG C of tap water washing 30min
Cloth is dried, and described defoamer is polyoxyethylene polyoxypropylene tetramethylolmethane ether generally in the art, such as the AT-of Yixing Ai Tai
208；
Sulfur dye uses the Blue S-BC of Japan's rising sun chemistry, and acid stain is the dark blue FS-B of tower westernization work.
(3) postfinishing process
Carry out fixing finish, add 70g/L Fixative R C and 0.4g/L acetic acid, an immersing and rolling, liquid carrying rate 40%, dry temperature
Spend 140 DEG C.
Color fixing agent uses the Fixative R C of business's emerging health chemical industry.
Use the dyed ultrafine fiber synthetic leather that said method obtains, testing friction fastness (testing standard ISO 105X12-
2001), xerotripsis can reach 4 grades, and wet rubbing can reach 3 grades.
Claims (8)
1. the two-bath process method of superfine fiber chemical leather, it is characterised in that comprise the following steps successively: (1) superfine fibre
Synthetic leather pre-treatment, the dyeing of (2) superfine fiber chemical leather and (3) superfine fiber chemical leather Final finishing；It is characterized in that, described
Superfine fiber chemical leather colouring method, comprises the steps:
(A) by superfine fiber chemical leather after pre-treatment, it is placed in the dye bath containing sulfur dye sulfur dye and Caustic soda, room temperature
Operating, then heats up, and adds the mixed liquor of sodium hydrosulfite and Caustic soda, is incubated 30～60min, after discharge opeing washing, with acetic acid and H2O2Oxygen
Change, then soaping agent is soaped, discharge opeing；
(B) the Plus acidic dyestuff of room temperature, levelling agent, acetic acid and defoamer, insulation, washing, go out cloth and dry；Then carry out (3) ultra-fine
Fiber synthetic leather Final finishing.
Method the most according to claim 1, it is characterised in that in step (A), by superfine fiber chemical leather after pre-treatment,
Being placed in the dye bath containing sulfur dye 3～8% (o.w.f.) sulfur dye and 1～3g/L Caustic soda, bath raio is: 1:5～1:
15, room temperature operating 15～20min after, then with the heating rate of 1～3 DEG C/min, be warmed up to 60～85 DEG C, add sodium hydrosulfite 5～
15g/L and the mixed liquor of Caustic soda 1～2g/L, be incubated 30～60min, discharge opeing washing after, with 0.1～1g/L acetic acid and 1.5～
3.5g/L H2O2(35% weight percent concentration) 50～70 DEG C of oxidations 30～60min, then soaping agent SN-S 0.5～2g/L, 90
～100 DEG C soaped 30～60min, discharge opeing.
Method the most according to claim 2, it is characterised in that temperature retention time is 40～60min.
Method the most according to claim 2, it is characterised in that in step (B), the Plus acidic dyestuff of room temperature, levelling agent, acetic acid
And defoamer, bath raio 1:5～1:15,90～110 DEG C of insulations 40～60min, after, 60～70 DEG C of washings 10～30min, go out cloth and dry
Dry.
Method the most according to claim 4, it is characterised in that the weight consumption of each component is:
Acid stain 1～5% (o.w.f.)；
Levelling agent consumption is 1～3% (o.w.f.)
Acetic acid 0.5～2g/L
Defoamer 0.1～0.5g/L.
Method the most according to claim 4, it is characterised in that 90～110 DEG C of insulations 50～60min.
7. according to the method described in any one of claim 1～6, it is characterised in that described superfine fiber chemical leather pre-treatment
Method comprises the steps: to put in overflow dyeing machine by superfine fiber chemical leather, adds 6～9g/L scouring agents, and bath raio is 1:
10～1:40, temperature is 70～80 DEG C, discharge opeing after concise 30～60min.
8. according to the method described in any one of claim 1～6, it is characterised in that described postfinishing process includes walking as follows
Rapid: the superfine fiber chemical leather after dyeing to be placed in fixation bath, an immersing and rolling, liquid carrying rate 40～60%, temperature 110～140
DEG C dry, be more highly preferred to, described drying temperature 130～140 DEG C；In fixation bath, containing color fixing agent 30～100g/L and acetic acid
0.1～0.5g/L.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111021095A (en) * | 2019-12-27 | 2020-04-17 | 浙江新益印染有限公司 | Dyeing process of crystal linen fabric |
| CN112981978A (en) * | 2021-02-04 | 2021-06-18 | 福建省莆田市协龙鞋业有限公司 | High-color-fastness leather for leather casual shoes and preparation method thereof |
| CN114960188A (en) * | 2021-07-31 | 2022-08-30 | 上海九裕纺织科技有限公司 | Salt shrinkage finishing process based on nylon fabric |
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| CN111021095A (en) * | 2019-12-27 | 2020-04-17 | 浙江新益印染有限公司 | Dyeing process of crystal linen fabric |
| CN112981978A (en) * | 2021-02-04 | 2021-06-18 | 福建省莆田市协龙鞋业有限公司 | High-color-fastness leather for leather casual shoes and preparation method thereof |
| CN114960188A (en) * | 2021-07-31 | 2022-08-30 | 上海九裕纺织科技有限公司 | Salt shrinkage finishing process based on nylon fabric |
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