CN110130118A - A kind of preparation method for not losing thick and soft suction line super fiber leather - Google Patents
A kind of preparation method for not losing thick and soft suction line super fiber leather Download PDFInfo
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- CN110130118A CN110130118A CN201910395338.4A CN201910395338A CN110130118A CN 110130118 A CN110130118 A CN 110130118A CN 201910395338 A CN201910395338 A CN 201910395338A CN 110130118 A CN110130118 A CN 110130118A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0004—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using ultra-fine two-component fibres, e.g. island/sea, or ultra-fine one component fibres (< 1 denier)
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0079—Suction, vacuum treatment
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
- D06N3/0097—Release surface, e.g. separation sheets; Silicone papers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/145—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes two or more layers of polyurethanes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/30—Flame or heat resistance, fire retardancy properties
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1642—Hardnes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The preparation method of thick and soft suction line super fiber leather is not lost the invention discloses one kind, including the following steps: S1, base fabric soft treatment；S2, dry method make face, obtain super fiber leather；S3, printing treatment form printing layer；S4, line technique is inhaled, carries out suction line with vacuum tattoo machine, heating mantles pass through two heating regions, and first second is used to mend temperature for inhaling main body heating, then cool down；Thick and soft suction line super fiber leather is not lost.The preparation method thickness obtained for inhaling line super fiber leather for not losing thick and soft suction line super fiber leather of the invention has thickening for about 0.05mm；The product of 1.0mm~1.5mm thickness, it is soft, it is full；Texture is made into and inhales line roller naturally, texture is directly copied from corium, the surface for being transferred to product by inhaling line roller, and texture is short compared to the release paper development cycle, and texture variations are fast.
Description
Technical field
The present invention relates to field of leather, and in particular to one kind does not lose the preparation method of thick and soft suction line super fiber leather.
Background technique
The definition of superfine fibre is had different versions, also known as microfibre, fine count fiber, superfine fibre, English name
microfiber.0.3 denier of fiber number (5 microns of diameter) fiber below is generally called superfine fibre.Superfine fibre is due to fiber number
It is superfine, the rigidity of silk is greatly reduced, is made that fabric feeling is extremely soft, fiber finer can also increase the layer structure of silk, increase
Specific surface area and capillary effect are distributed fibrous inside reflected light on surface finer and smoother, with the graceful gloss as silk,
And there is good moisture absorption dissipates moist.Superfine fibre is a kind of high-tech tencel of modern age exploitation, wherein the ultra-fine fibre of fabric of island-in-sea type
Dimension and its textile it is with the fastest developing speed.
The appearance and feel of artificial leather are similar to leather, are widely used on the productions such as clothes, handbag, wallet.It passes
System artificial leather generally has single side lines, using the textured side of artificial leather band as product external surfaces when making product, to mention
The aesthetic feeling of high product can also make product formation different-style to meet people's difference hobby.As people's living standard increasingly mentions
Height has higher pursuit to product quality and style.
Superfine fiber chemical leather (super fiber leather) is a kind of inter-trade product, research and development and application technology be related to weaving,
The numerous areas such as plastics, chemical industry.It is a kind of rtificial leather with superfine twice-laid novel high-grade time, can be used as shoes, case
Each field of packet, furniture, automobile interior decoration etc., characteristic and index more superior than corium with corium.With three-dimensional net structure
Not weaving fabric of superfine fiber is that the Synthetic Leather of base fabric is synthetic leather of new generation that developed recently gets up, and someone is called the
Four generation artificial leathers can compare favourably with advanced natural leather, with the intrinsic sucting wet air permeability of natural leather, and in resistance toization
The property learned, waterproof, anti-mildew etc. are more than natural leather.
But used super fiber leather there is problems at present:
1, common veneer super fiber leather product, thickness remain unchanged, and texture comparison rule and corium texture difference are larger；
2, embossing super fiber leather thickness loses thickness 0.1-0.3mm, and feel is more stiff, and the pliability of finished product is poor；
3, it is harder to inhale line product feel for general woven fabric.
Based on the above situation, the preparation method for not losing thick and soft suction line super fiber leather the invention proposes one kind, can have
Effect solves problem above.
Summary of the invention
The preparation method of thick and soft suction line super fiber leather is not lost the purpose of the present invention is to provide one kind.It is of the invention not
The preparation method thickness obtained for inhaling line super fiber leather for losing thick and soft suction line super fiber leather has thickening for about 0.05mm；1.0mm
The product of~1.5mm thickness, it is soft, it is full；Texture is made into and inhales line roller naturally, texture is directly copied from corium,
The surface for being transferred to product by inhaling line roller, texture are short compared to the release paper development cycle, and texture variations are fast.
In order to solve the above technical problems, present invention provide the technical scheme that
A kind of preparation method for not losing thick and soft suction line super fiber leather, including the following steps:
S1, base fabric soft treatment
S11, not weaving fabric of superfine fiber (woven fabric BASE, also known as woven fabric base fabric) is sent into containing soaking pit, with impregnation slurries impregnation；
S12, cold rolling then carried out by milling train, when cold rolling, the nip pressure of the milling train is 2~8 Kg/cm2, roller speed for 8~
15m/min；
S13, infrared preliminary drying then is carried out, then is dried, it is cooling, obtain base fabric；
After base fabric soft treatment (impregnation processing) of the invention, it has been effectively ensured and has not lost thick and soft suction line super fiber leather production
The good hand feeling of product.
, dry method make face
S21, prepare surface layer slurry, and by prepared surface layer slurry be coated in release paper on, coating thickness be 0.2~
Then 0.3mm controls oven temperature and dries under the conditions of 60~150 DEG C, cooling, forms superficial layer；
S22, middle layer slurry is prepared, prepared middle layer slurry will be coated on superficial layer, coating thickness is
Then 0.2~0.3mm controls oven temperature and dries under the conditions of 60~150 DEG C, cooling, forms middle layer；
S23, prepare adhesive layer slurry, and by prepared adhesive layer slurry coating on the intermediate layer, coating thickness be 0.3~
0.4mm, then preliminary drying is half-dried, and oven temperature used is 100~150 DEG C, and the residence time is 80~120s in baking oven；
S24, it is then bonded with the obtained base fabric of step S13 by roll-in, the roller temperature (hot paste temperature) is 100~140
DEG C, platen pressure is 4~10Kg/cm2, and nip roll gap is 0.1~1.0mm；
S25, maturation is then carried out, maturation room temperature is 80~160 DEG C, and the maturation time is 18~36 hours, finally by release paper
Removing, obtains super fiber leather；
S3, printing treatment
Agent at polyurethane surface is coated on the superficial layer for the super fiber leather that step S25 is obtained by print roller, the print roller roller
Speed is 15~25m/min, then controls oven temperature and dries under the conditions of 80~120 DEG C, cooling, forms printing layer；
Agent is agent at polyurethane surface commonly used in the art at polyurethane surface of the present invention, and surface guarantor is mainly played when inhaling line
The effect of shield.Those skilled in the art can according to need the type and dosage of agent at determining polyurethane surface.
, inhale line technique
S41, by the super fiber leather after printing treatment, be sent into baking oven preliminary drying, oven temperature is controlled at 80~120 DEG C；
S42, then with vacuum tattoo machine suction line is carried out, heating mantles successively pass through two heating regions, and first adds for main body
Temperature, second for mending temperature, the suction line roller roller speed is 8~15m/min, while using infrared heating, successively controls infrared add
Hot temperature is 150~200 DEG C, and infrared benefit temperature temperature is 160~230 DEG C, is then cooled down；It is super that thick and soft suction line is not lost
Fibre leather.
The preparation method thickness obtained for inhaling line super fiber leather for not losing thick and soft suction line super fiber leather of the invention has about
0.05mm's thickens；The product of 1.0mm~1.5mm thickness, it is soft, it is full；Texture is naturally, texture is directly copied from corium
Shellfish gets off, and is made into and inhales line roller, the surface for being transferred to product by inhaling line roller, and texture is short compared to the release paper development cycle, and texture becomes
Change fast.
After the present invention passes through base fabric soft treatment, temperature tolerance is improved；After treatment, good hand feeling is thick and solid by woven fabric BASE,
Double infection of hanging down is strong, and after veneer, infrared temperature is no more than 150 DEG C, and feel will not be hardened.
For the present invention by screening polyurethane resin, lines is more full, selects specific polyurethane resin as suction line
Resin, softening point are 150~230 DEG C, are configured to solid content 20%~80% after slurry, lines is more full.
Baking oven preliminary drying is first sent into suction line technological design of the invention, and oven temperature is controlled at 80~120 DEG C, then with true
Suction line machine carries out suction line, and heating mantles successively pass through two heating regions, and first heats for main body, and second for mending
Temperature, the suction line roller roller speed is 8~15m/min, while using infrared heating, and successively controlling infrared heating temperature is 150~200
DEG C, infrared benefit temperature temperature is 160~230 DEG C, and infrared heating shield is the PU for softening surface layer first by surface heating, then is conducted
To the woven fabric of lower layer, texture can be made more three-dimensional and soft.
Preferably, further include following steps:
S5, line technique is rubbed
S51, by the super fiber leather after microgroove process, be sent into and contain soaking pit, with rubbing the impregnation of line slurries；
S52, cold rolling then carried out by milling train, when cold rolling, the nip pressure of the milling train is 2~5Kg/cm2, roller speed for 8~
15m/min；
S53, baking oven preliminary drying is then carried out, then successively by roller and takes off twister, be then fed into chopping block baking oven and dried, it is cooling
?.
Preferably, in step S11, the not weaving fabric of superfine fiber with a thickness of 1.0~1.4mm.
Preferably, in step S11, the preparation method of the impregnation slurries are as follows: by the raw material of following parts by weight: 100 parts of water,
It after 1~8 part of organosilicon auxiliary agent mixing, stirs 20~40 minutes, is configured to impregnation slurries；Preferably, the organosilicon auxiliary agent is
The DC-57 of Dow corning company.
Organosilicon auxiliary agent of the present invention is organosilicon auxiliary agent commonly used in the art, mainly plays adjustment feel.
Those skilled in the art can according to need the type and dosage of determining organosilicon auxiliary agent.As a preference, the present invention adopts
With waterborne organic silicon auxiliary agent (DC-57 of Dow corning company).
Preferably, in step S13, the temperature of the infrared baking oven for carrying out infrared preliminary drying use is controlled 100~150
DEG C, infrared preliminary drying time is 1~10min；The temperature of the baking oven for carrying out drying use is controlled at 100~160 DEG C of baking oven.
Preferably, in step S21, the method for preparing surface layer slurry are as follows: by the raw material of following parts by weight: polyurethane
After 100 parts of resin, 20~50 parts of dimethylformamide, 20~50 parts of ethyl acetate, 10~40 parts of mill base mixing, stirring 30~45
Minute, it is configured to surface layer slurry；The viscosity of the surface layer slurry is 1000~6000cps/25 DEG C；Preferably, described poly-
The softening point of urethane resin is 150~230 DEG C.
Preferably, in step S22, the method for preparing middle layer slurry are as follows: by the raw material of following parts by weight: polyurethane
After 100 parts of resin, 20~50 parts of dimethylformamide, 30~50 parts of ethyl acetate, 10~40 parts of mill base mixing, stirring 30~45
Minute, it is configured to middle layer slurry；The viscosity of the middle layer slurry is 5000~20000cps/25 DEG C；Preferably, described poly-
The softening point of urethane resin is 150~230 DEG C.
Preferably, in step S23, the method for preparing adhesive layer slurry are as follows: by the raw material of following parts by weight: polyurethane
After 100 parts of resin, 10~50 parts of dimethylformamide, 5~40 parts of ethyl acetate mixing, stirs 30~45 minutes, be configured to glue
Tie layer slurry；The viscosity of the adhesive layer slurry is 5000~20000cps/25 DEG C；Preferably, the polyurethane resin is soft
Changing point is 150~230 DEG C.
Preferably, in step S51, the preparation method for rubbing line slurries are as follows: by the raw material of following parts by weight: 100 parts of water,
After 4 parts of organosilicon auxiliary agent mixing, stirs 30 minutes, be configured to rub line slurries；Preferably, the organosilicon auxiliary agent is U.S. Dao Kang
The DC-57 of Ning company.
Organosilicon auxiliary agent of the present invention is organosilicon auxiliary agent commonly used in the art, mainly plays adjustment feel.
Those skilled in the art can according to need the type and dosage of determining organosilicon auxiliary agent.As a preference, the present invention adopts
With waterborne organic silicon auxiliary agent (DC-57 of Dow corning company).
Preferably, in step S53, baking oven preliminary drying temperature control at 80~120 DEG C, drum temperature control 80~
120 DEG C, chopping block oven temperature is controlled at 60~120 DEG C.
Suction line super fiber leather made from the preparation method of thick and soft suction line super fiber leather is not lost the present invention also provides one kind.
Polyurethane resin of the invention can be polyurethane resin commonly used in the art as line resin is inhaled, it is preferred that
The softening point of the polyurethane resin is 150~230 DEG C；
Dimethylformamide and ethyl acetate, are solvents, and dissolving resin adjusts viscosity；
Mill base of the present invention is mill base commonly used in the art, plays a part of to adjust color.Those skilled in the art can be with
The type and dosage of mill base are determined as needed.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
The preparation method thickness obtained for inhaling line super fiber leather for not losing thick and soft suction line super fiber leather of the invention has about
0.05mm's thickens；The product of 1.0mm~1.5mm thickness, it is soft, it is full；Texture is naturally, texture is directly copied from corium
Shellfish gets off, and is made into and inhales line roller, the surface for being transferred to product by inhaling line roller, and texture is short compared to the release paper development cycle, and texture becomes
Change fast.
After the present invention passes through base fabric soft treatment, temperature tolerance is improved；After treatment, good hand feeling is thick and solid by woven fabric BASE,
Double infection of hanging down is strong, and after veneer, infrared temperature is no more than 150 DEG C, and feel will not be hardened.
For the present invention by screening polyurethane resin, lines is more full, selects specific polyurethane resin as suction line
Resin, softening point are 150~230 DEG C, are configured to solid content 20%~80% after slurry, lines is more full.
Baking oven preliminary drying is first sent into suction line technological design of the invention, and oven temperature is controlled at 80~120 DEG C, then with true
Suction line machine carries out suction line, and heating mantles successively pass through two heating regions, and first heats for main body, and second for mending
Temperature, the suction line roller roller speed is 8~15m/min, while using infrared heating, and successively controlling infrared heating temperature is 150~200
DEG C, infrared benefit temperature temperature is 160~230 DEG C, and infrared heating shield is the PU for softening surface layer first by surface heating, then is conducted
To the woven fabric of lower layer, texture can be made more three-dimensional and soft.
Specific embodiment
It is right combined with specific embodiments below in order to make those skilled in the art more fully understand technical solution of the present invention
The preferred embodiments of the invention are described, but should not be understood as the limitation to this patent.
Test method described in following embodiments or test method are unless otherwise specified conventional method；The reagent
And material is obtained from routine business approach, or prepare in conventional manner unless otherwise specified.
Embodiment 1:
A kind of preparation method for not losing thick and soft suction line super fiber leather, including the following steps:
S1, base fabric soft treatment
S11, not weaving fabric of superfine fiber (woven fabric BASE, also known as woven fabric base fabric) is sent into containing soaking pit, with impregnation slurries impregnation；
S12, cold rolling then carried out by milling train, when cold rolling, the nip pressure of the milling train is 2~8 Kg/cm2, roller speed for 8~
15m/min；
S13, infrared preliminary drying then is carried out, then is dried, it is cooling, obtain base fabric；
S2, dry method make face
S21, prepare surface layer slurry, and by prepared surface layer slurry be coated in release paper on, coating thickness be 0.2~
Then 0.3mm controls oven temperature and dries under the conditions of 60~150 DEG C, cooling, forms superficial layer；
S22, middle layer slurry is prepared, prepared middle layer slurry will be coated on superficial layer, coating thickness is
Then 0.2~0.3mm controls oven temperature and dries under the conditions of 60~150 DEG C, cooling, forms middle layer；
S23, prepare adhesive layer slurry, and by prepared adhesive layer slurry coating on the intermediate layer, coating thickness be 0.3~
0.4mm, then preliminary drying is half-dried, and oven temperature used is 100~150 DEG C, and the residence time is 80~120s in baking oven；
S24, it is then bonded with the obtained base fabric of step S13 by roll-in, the roller temperature (hot paste temperature) is 100~140
DEG C, platen pressure is 4~10Kg/cm2, and nip roll gap is 0.1~1.0mm；
S25, maturation is then carried out, maturation room temperature is 80~160 DEG C, and the maturation time is 18~36 hours, finally by release paper
Removing, obtains super fiber leather；
S3, printing treatment
Agent at polyurethane surface is coated on the superficial layer for the super fiber leather that step S25 is obtained by print roller, the print roller roller
Speed is 15~25m/min, then controls oven temperature and dries under the conditions of 80~120 DEG C, cooling, forms printing layer；
S4, line technique is inhaled
S41, by the super fiber leather after printing treatment, be sent into baking oven preliminary drying, oven temperature is controlled at 80~120 DEG C；
S42, then with vacuum tattoo machine suction line is carried out, heating mantles successively pass through two heating regions, and first adds for main body
Temperature, second for mending temperature, the suction line roller roller speed is 8~15m/min, while using infrared heating, successively controls infrared add
Hot temperature is 150~200 DEG C, and infrared benefit temperature temperature is 160~230 DEG C, is then cooled down；It is super that thick and soft suction line is not lost
Fibre leather.
In the present embodiment, further include following steps:
S5, line technique is rubbed
S51, by the super fiber leather after microgroove process, be sent into and contain soaking pit, with rubbing the impregnation of line slurries；
S52, cold rolling then carried out by milling train, when cold rolling, the nip pressure of the milling train is 2~5Kg/cm2, roller speed for 8~
15m/min；
S53, baking oven preliminary drying is then carried out, then successively by roller and takes off twister, be then fed into chopping block baking oven and dried, it is cooling
?.
In the present embodiment, in step S11, the not weaving fabric of superfine fiber with a thickness of 1.0~1.4mm.
In the present embodiment, in step S11, the preparation method of the impregnation slurries are as follows: by the raw material of following parts by weight: water
It after 100 parts, 1~8 part of organosilicon auxiliary agent mix, stirs 20~40 minutes, is configured to impregnation slurries；In the present embodiment, described
Organosilicon auxiliary agent is the DC-57 of Dow corning company.
In the present embodiment, in step S13, the temperature of the infrared baking oven for carrying out infrared preliminary drying use is controlled 100
~150 DEG C, infrared preliminary drying time is 1~10min；The temperature of the baking oven for carrying out drying use is controlled in baking oven 100~160
℃。
In the present embodiment, in step S21, the method for preparing surface layer slurry are as follows: by the raw material of following parts by weight:
After 100 parts of polyurethane resin, 20~50 parts of dimethylformamide, 20~50 parts of ethyl acetate, 10~40 parts of mill base mixing, stirring
30~45 minutes, it is configured to surface layer slurry；The viscosity of the surface layer slurry is 1000~6000cps/25 DEG C；In this implementation
In example, the softening point of the polyurethane resin is 150~230 DEG C.
In the present embodiment, in step S22, the method for preparing middle layer slurry are as follows: by the raw material of following parts by weight:
After 100 parts of polyurethane resin, 20~50 parts of dimethylformamide, 30~50 parts of ethyl acetate, 10~40 parts of mill base mixing, stirring
30~45 minutes, it is configured to middle layer slurry；The viscosity of the middle layer slurry is 5000~20000cps/25 DEG C；In this reality
It applies in example, the softening point of the polyurethane resin is 150~230 DEG C.
In the present embodiment, in step S23, the method for preparing adhesive layer slurry are as follows: by the raw material of following parts by weight:
After 100 parts of polyurethane resin, 10~50 parts of dimethylformamide, 5~40 parts of ethyl acetate mixing, stirs 30~45 minutes, match
Adhesive layer slurry is made；The viscosity of the adhesive layer slurry is 5000~20000cps/25 DEG C；In the present embodiment, described poly-
The softening point of urethane resin is 150~230 DEG C.
In the present embodiment, in step S51, the preparation method for rubbing line slurries are as follows: by the raw material of following parts by weight: water
After 100 parts, 4 parts of organosilicon auxiliary agent mix, stirs 30 minutes, be configured to rub line slurries；In the present embodiment, the organosilicon helps
Agent is the DC-57 of Dow corning company.
In the present embodiment, in step S53, at 80~120 DEG C, drum temperature control exists for the baking oven preliminary drying temperature control
80~120 DEG C, chopping block oven temperature is controlled at 60~120 DEG C.
Embodiment 2:
A kind of preparation method for not losing thick and soft suction line super fiber leather, including the following steps:
S1, base fabric soft treatment
S11, not weaving fabric of superfine fiber (woven fabric BASE, also known as woven fabric base fabric) is sent into containing soaking pit, with impregnation slurries impregnation；
S12, cold rolling then carried out by milling train, when cold rolling, the nip pressure of the milling train is 2Kg/cm2, and roller speed is 15m/min；
S13, infrared preliminary drying then is carried out, then is dried, it is cooling, obtain base fabric；
S2, dry method make face
S21, surface layer slurry is prepared, and prepared surface layer slurry is coated in release paper, coating thickness 0.3mm,
Then control oven temperature is dried under the conditions of 60~150 DEG C, cooling, forms superficial layer；
S22, middle layer slurry is prepared, prepared middle layer slurry will be coated on superficial layer, coating thickness is
Then 0.3mm controls oven temperature and dries under the conditions of 60~150 DEG C, cooling, forms middle layer；
S23, adhesive layer slurry is prepared, and on the intermediate layer by the coating of prepared adhesive layer slurry, coating thickness 0.4mm,
Then preliminary drying is half-dried, and oven temperature used is 100 DEG C, and the residence time is 120s in baking oven；
S24, it is then bonded with the obtained base fabric of step S13 by roll-in, the roller temperature (hot paste temperature) is 100 DEG C, pressure
Roller pressure is 10Kg/cm2, and nip roll gap is 1.0mm；
S25, maturation is then carried out, maturation room temperature is 80 DEG C, and the maturation time is 36 hours, finally removes release paper, obtains
Super fiber leather；
S3, printing treatment
Agent at polyurethane surface is coated on the superficial layer for the super fiber leather that step S25 is obtained by print roller, the print roller roller
Speed is 25m/min, then controls oven temperature and dries under the conditions of 80~120 DEG C, cooling, forms printing layer；
S4, line technique is inhaled
S41, by the super fiber leather after printing treatment, be sent into baking oven preliminary drying, oven temperature is controlled at 80~120 DEG C；
S42, then with vacuum tattoo machine suction line is carried out, heating mantles successively pass through two heating regions, and first adds for main body
Temperature, second for mending temperature, the suction line roller roller speed is 15m/min, while using infrared heating, successively controls infrared heating temperature
Degree is 200 DEG C, and infrared benefit temperature temperature is 230 DEG C, is then cooled down；Thick and soft suction line super fiber leather is not lost.
In the present embodiment, further include following steps:
S5, line technique is rubbed
S51, by the super fiber leather after microgroove process, be sent into and contain soaking pit, with rubbing the impregnation of line slurries；
S52, cold rolling then carried out by milling train, when cold rolling, the nip pressure of the milling train is 5Kg/cm2, and roller speed is 8m/min；
S53, baking oven preliminary drying is then carried out, then successively by roller and takes off twister, be then fed into chopping block baking oven and dried, it is cooling
?.
In the present embodiment, in step S11, the not weaving fabric of superfine fiber with a thickness of 1.4mm.
In the present embodiment, in step S11, the preparation method of the impregnation slurries are as follows: by the raw material of following parts by weight: water
It after 100 parts, 8 parts of organosilicon auxiliary agent mix, stirs 40 minutes, is configured to impregnation slurries；In the present embodiment, the organosilicon helps
Agent is the DC-57 of Dow corning company.
In the present embodiment, in step S13, the temperature of the infrared baking oven for carrying out infrared preliminary drying use is controlled 150
DEG C, infrared preliminary drying time is 5min；The temperature of the baking oven for carrying out drying use is controlled at 160 DEG C of baking oven.
In the present embodiment, in step S21, the method for preparing surface layer slurry are as follows: by the raw material of following parts by weight:
After 100 parts of polyurethane resin, 50 parts of dimethylformamide, 50 parts of ethyl acetate, 10 parts of mill base mixing, stirs 30 minutes, prepare
At surface layer slurry；The viscosity of the surface layer slurry is 1000cps/25 DEG C；In the present embodiment, the polyurethane resin
Softening point is 230 DEG C.
In the present embodiment, in step S22, the method for preparing middle layer slurry are as follows: by the raw material of following parts by weight:
After 100 parts of polyurethane resin, 50 parts of dimethylformamide, 50 parts of ethyl acetate, 10 parts of mill base mixing, stirs 30 minutes, prepare
At middle layer slurry；The viscosity of the middle layer slurry is 5000cps/25 DEG C；In the present embodiment, the polyurethane resin
Softening point is 230 DEG C.
In the present embodiment, in step S23, the method for preparing adhesive layer slurry are as follows: by the raw material of following parts by weight:
It after 100 parts of polyurethane resin, 50 parts of dimethylformamide, 40 parts of ethyl acetate mixing, stirs 30 minutes, is configured to adhesive layer slurry
Material；The viscosity of the adhesive layer slurry is 5000cps/25 DEG C；In the present embodiment, the softening point of the polyurethane resin is
230℃。
In the present embodiment, in step S51, the preparation method for rubbing line slurries are as follows: by the raw material of following parts by weight: water
After 100 parts, 4 parts of organosilicon auxiliary agent mix, stirs 30 minutes, be configured to rub line slurries；In the present embodiment, the organosilicon helps
Agent is the DC-57 of Dow corning company.
In the present embodiment, in step S53, at 120 DEG C, drum temperature is controlled 120 for the baking oven preliminary drying temperature control
DEG C, chopping block oven temperature is controlled at 120 DEG C.
It in the present embodiment, is at least 2 sections, and temperature when baking oven used (or drying) temperature is a certain value range
Temperature of each section is incremented by, and if temperature is 60 DEG C~150 DEG C, baking oven used is 3 sections of baking ovens, and temperature is followed successively by 60 DEG C, 90 DEG C, 120
DEG C, it is also possible to temperature and is followed successively by 80 DEG C, 120 DEG C, 150 DEG C, those skilled in the art can according to need determination.
Embodiment 3:
A kind of preparation method for not losing thick and soft suction line super fiber leather, including the following steps:
S1, base fabric soft treatment
S11, not weaving fabric of superfine fiber (woven fabric BASE, also known as woven fabric base fabric) is sent into containing soaking pit, with impregnation slurries impregnation；
S12, cold rolling then carried out by milling train, when cold rolling, the nip pressure of the milling train is 8 Kg/cm2, and roller speed is 8m/min；
S13, infrared preliminary drying then is carried out, then is dried, it is cooling, obtain base fabric；
S2, dry method make face
S21, surface layer slurry is prepared, and prepared surface layer slurry is coated in release paper, coating thickness 0.2mm,
Then control oven temperature is dried under the conditions of 60~150 DEG C, cooling, forms superficial layer；
S22, middle layer slurry is prepared, prepared middle layer slurry will be coated on superficial layer, coating thickness is
Then 0.2mm controls oven temperature and dries under the conditions of 60~150 DEG C, cooling, forms middle layer；
S23, adhesive layer slurry is prepared, and on the intermediate layer by the coating of prepared adhesive layer slurry, coating thickness 0.3mm,
Then preliminary drying is half-dried, and oven temperature used is 150 DEG C, and the residence time is 80s in baking oven；
S24, it is then bonded with the obtained base fabric of step S13 by roll-in, the roller temperature (hot paste temperature) is 140 DEG C, pressure
Roller pressure is 4Kg/cm2, and nip roll gap is 0.1mm；
S25, maturation is then carried out, maturation room temperature is 160 DEG C, and the maturation time is 18 hours, finally removes release paper, obtains
Super fiber leather；
S3, printing treatment
Agent at polyurethane surface is coated on the superficial layer for the super fiber leather that step S25 is obtained by print roller, the print roller roller
Speed is 15m/min, then controls oven temperature and dries under the conditions of 80~120 DEG C, cooling, forms printing layer；
S4, line technique is inhaled
S41, by the super fiber leather after printing treatment, be sent into baking oven preliminary drying, oven temperature is controlled at 80~120 DEG C；
S42, then with vacuum tattoo machine suction line is carried out, heating mantles successively pass through two heating regions, and first adds for main body
Temperature, second for mending temperature, the suction line roller roller speed is 8m/min, while using infrared heating, successively controls infrared heating temperature
Degree is 150 DEG C, and infrared benefit temperature temperature is 160 DEG C, is then cooled down；Thick and soft suction line super fiber leather is not lost.
In the present embodiment, further include following steps:
S5, line technique is rubbed
S51, by the super fiber leather after microgroove process, be sent into and contain soaking pit, with rubbing the impregnation of line slurries；
S52, cold rolling then carried out by milling train, when cold rolling, the nip pressure of the milling train is 2Kg/cm2, and roller speed is 15m/min；
S53, baking oven preliminary drying is then carried out, then successively by roller and takes off twister, be then fed into chopping block baking oven and dried, it is cooling
?.
In the present embodiment, in step S11, the not weaving fabric of superfine fiber with a thickness of 1.0mm.
In the present embodiment, in step S11, the preparation method of the impregnation slurries are as follows: by the raw material of following parts by weight: water
It after 100 parts, 1 part of organosilicon auxiliary agent mix, stirs 20 minutes, is configured to impregnation slurries；In the present embodiment, the organosilicon helps
Agent is the DC-57 of Dow corning company.
In the present embodiment, in step S13, the temperature of the infrared baking oven for carrying out infrared preliminary drying use is controlled 100
DEG C, infrared preliminary drying time is 10min；The temperature of the baking oven for carrying out drying use is controlled at 100 DEG C of baking oven.
In the present embodiment, in step S21, the method for preparing surface layer slurry are as follows: by the raw material of following parts by weight:
After 100 parts of polyurethane resin, 20 parts of dimethylformamide, 50 parts of ethyl acetate, 40 parts of mill base mixing, stirs 45 minutes, prepare
At surface layer slurry；The viscosity of the surface layer slurry is 6000cps/25 DEG C；In the present embodiment, the polyurethane resin
Softening point is 230 DEG C.
In the present embodiment, in step S22, the method for preparing middle layer slurry are as follows: by the raw material of following parts by weight:
After 100 parts of polyurethane resin, 20 parts of dimethylformamide, 30 parts of ethyl acetate, 40 parts of mill base mixing, stirs 45 minutes, prepare
At middle layer slurry；The viscosity of the middle layer slurry is 20000cps/25 DEG C；In the present embodiment, the polyurethane resin
Softening point be 150 DEG C.
In the present embodiment, in step S23, the method for preparing adhesive layer slurry are as follows: by the raw material of following parts by weight:
It after 100 parts of polyurethane resin, 10 parts of dimethylformamide, 20 parts of ethyl acetate mixing, stirs 45 minutes, is configured to adhesive layer slurry
Material；The viscosity of the adhesive layer slurry is 20000cps/25 DEG C；In the present embodiment, the softening point of the polyurethane resin is
150℃。
In the present embodiment, in step S51, the preparation method for rubbing line slurries are as follows: by the raw material of following parts by weight: water
After 100 parts, 4 parts of organosilicon auxiliary agent mix, stirs 30 minutes, be configured to rub line slurries；In the present embodiment, the organosilicon helps
Agent is the DC-57 of Dow corning company.
In the present embodiment, in step S53, at 80 DEG C, drum temperature is controlled at 80 DEG C for the baking oven preliminary drying temperature control,
Chopping block oven temperature is controlled at 60 DEG C.
It in the present embodiment, is at least 2 sections, and temperature when baking oven used (or drying) temperature is a certain value range
Temperature of each section is incremented by, and if temperature is 60 DEG C~150 DEG C, baking oven used is 3 sections of baking ovens, and temperature is followed successively by 60 DEG C, 90 DEG C, 120
DEG C, it is also possible to temperature and is followed successively by 80 DEG C, 120 DEG C, 150 DEG C, those skilled in the art can according to need determination.
Embodiment 4:
A kind of preparation method for not losing thick and soft suction line super fiber leather, including the following steps:
S1, base fabric soft treatment
S11, not weaving fabric of superfine fiber (woven fabric BASE, also known as woven fabric base fabric) is sent into containing soaking pit, with impregnation slurries impregnation；
S12, cold rolling then carried out by milling train, when cold rolling, the nip pressure of the milling train is 5Kg/cm2, and roller speed is 12m/min；
S13, infrared preliminary drying then is carried out, then is dried, it is cooling, obtain base fabric；
S2, dry method make face
S21, surface layer slurry is prepared, and prepared surface layer slurry is coated in release paper, coating thickness 0.25mm,
Then control oven temperature is dried under the conditions of 60~150 DEG C, cooling, forms superficial layer；
S22, middle layer slurry is prepared, prepared middle layer slurry will be coated on superficial layer, coating thickness is
Then 0.25mm controls oven temperature and dries under the conditions of 60~150 DEG C, cooling, forms middle layer；
S23, adhesive layer slurry is prepared, and on the intermediate layer by the coating of prepared adhesive layer slurry, coating thickness 0.35mm,
Then preliminary drying is half-dried, and oven temperature used is 120 DEG C, and the residence time is 105s in baking oven；
S24, it is then bonded with the obtained base fabric of step S13 by roll-in, the roller temperature (hot paste temperature) is 110 DEG C, pressure
Roller pressure is 6Kg/cm2, and nip roll gap is 0.7mm；
S25, maturation is then carried out, maturation room temperature is 120 DEG C, and the maturation time is 22 hours, finally removes release paper, obtains
Super fiber leather；
S3, printing treatment
Agent at polyurethane surface is coated on the superficial layer for the super fiber leather that step S25 is obtained by print roller, the print roller roller
Speed is 20m/min, then controls oven temperature and dries under the conditions of 110 DEG C, cooling, forms printing layer；
S4, line technique is inhaled
S41, by the super fiber leather after printing treatment, be sent into baking oven preliminary drying, oven temperature is controlled at 100 DEG C；
S42, then with vacuum tattoo machine suction line is carried out, heating mantles successively pass through two heating regions, and first adds for main body
Temperature, second for mending temperature, the suction line roller roller speed is 10 m/min, while using infrared heating, successively controls infrared heating
Temperature is 165 DEG C, and infrared benefit temperature temperature is 195 DEG C, is then cooled down；Thick and soft suction line super fiber leather is not lost.
In the present embodiment, further include following steps:
S5, line technique is rubbed
S51, by the super fiber leather after microgroove process, be sent into and contain soaking pit, with rubbing the impregnation of line slurries；
S52, cold rolling then carried out by milling train, when cold rolling, the nip pressure of the milling train is 3Kg/cm2, and roller speed is 14m/min；
S53, baking oven preliminary drying is then carried out, then successively by roller and takes off twister, be then fed into chopping block baking oven and dried, it is cooling
?.
In the present embodiment, in step S11, the not weaving fabric of superfine fiber with a thickness of 1.2mm.
In the present embodiment, in step S11, the preparation method of the impregnation slurries are as follows: by the raw material of following parts by weight: water
It after 100 parts, 6 parts of organosilicon auxiliary agent mix, stirs 30 minutes, is configured to impregnation slurries；In the present embodiment, the organosilicon helps
Agent is the DC-57 of Dow corning company.
In the present embodiment, in step S13, the temperature of the infrared baking oven for carrying out infrared preliminary drying use is controlled 110
DEG C, infrared preliminary drying time is 7min；The temperature of the baking oven for carrying out drying use is controlled at 115 DEG C of baking oven.
In the present embodiment, in step S21, the method for preparing surface layer slurry are as follows: by the raw material of following parts by weight:
After 100 parts of polyurethane resin, 42 parts of dimethylformamide, 35 parts of ethyl acetate, 28 parts of mill base mixing, stirs 35 minutes, prepare
At surface layer slurry；The viscosity of the surface layer slurry is 4640cps/25 DEG C；In the present embodiment, the polyurethane resin
Softening point is 205 DEG C.
In the present embodiment, in step S22, the method for preparing middle layer slurry are as follows: by the raw material of following parts by weight:
After 100 parts of polyurethane resin, 35 parts of dimethylformamide, 30 parts of ethyl acetate, 35 parts of mill base mixing, stirs 38 minutes, prepare
At middle layer slurry；The viscosity of the middle layer slurry is 7500cps/25 DEG C；In the present embodiment, the polyurethane resin
Softening point is 165 DEG C.
In the present embodiment, in step S23, the method for preparing adhesive layer slurry are as follows: by the raw material of following parts by weight:
After 100 parts of polyurethane resin, 30 parts of dimethylformamide, 15 parts of ethyl acetate mixing, stirs 30~45 minutes, be configured to bond
Layer slurry；The viscosity of the adhesive layer slurry is 12000cps/25 DEG C；In the present embodiment, the softening of the polyurethane resin
Point is 190 DEG C.
In the present embodiment, in step S51, the preparation method for rubbing line slurries are as follows: by the raw material of following parts by weight: water
After 100 parts, 4 parts of organosilicon auxiliary agent mix, stirs 30 minutes, be configured to rub line slurries；In the present embodiment, the organosilicon helps
Agent is the DC-57 of Dow corning company.
In the present embodiment, in step S53, at 100 DEG C, drum temperature is controlled 110 for the baking oven preliminary drying temperature control
DEG C, chopping block oven temperature is controlled at 115 DEG C.
It in the present embodiment, is at least 2 sections, and temperature when baking oven used (or drying) temperature is a certain value range
Temperature of each section is incremented by, and if temperature is 60 DEG C~150 DEG C, baking oven used is 3 sections of baking ovens, and temperature is followed successively by 60 DEG C, 90 DEG C, 120
DEG C, it is also possible to temperature and is followed successively by 80 DEG C, 120 DEG C, 150 DEG C, those skilled in the art can according to need determination.
The above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
Limitation of the invention, protection scope of the present invention should be defined by the scope defined by the claims..For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
It also should be regarded as protection scope of the present invention into retouching.
Claims (10)
1. the preparation method that one kind does not lose thick and soft suction line super fiber leather, characterized in that it comprises the following steps:
S1, base fabric soft treatment
S11, not weaving fabric of superfine fiber is sent into containing soaking pit, with impregnation slurries impregnation；
S12, cold rolling then carried out by milling train, when cold rolling, the nip pressure of the milling train is 2~8 Kg/cm2, roller speed for 8~
15m/min；
S13, infrared preliminary drying then is carried out, then is dried, it is cooling, obtain base fabric；
S2, dry method make face
S21, prepare surface layer slurry, and by prepared surface layer slurry be coated in release paper on, coating thickness be 0.2~
Then 0.3mm controls oven temperature and dries under the conditions of 60~150 DEG C, cooling, forms superficial layer；
S22, middle layer slurry is prepared, prepared middle layer slurry will be coated on superficial layer, coating thickness is
Then 0.2~0.3mm controls oven temperature and dries under the conditions of 60~150 DEG C, cooling, forms middle layer；
S23, prepare adhesive layer slurry, and by prepared adhesive layer slurry coating on the intermediate layer, coating thickness be 0.3~
0.4mm, then preliminary drying is half-dried, and oven temperature used is 100~150 DEG C, and the residence time is 80~120s in baking oven；
S24, it is then bonded with the obtained base fabric of step S13 by roll-in, the roller temperature is 100~140 DEG C, platen pressure
For 4~10Kg/cm2, nip roll gap is 0.1~1.0mm；
S25, maturation is then carried out, maturation room temperature is 80~160 DEG C, and the maturation time is 18~36 hours, finally by release paper
Removing, obtains super fiber leather；
S3, printing treatment
Agent at polyurethane surface is coated on the superficial layer for the super fiber leather that step S25 is obtained by print roller, the print roller roller
Speed is 15~25m/min, then controls oven temperature and dries under the conditions of 80~120 DEG C, cooling, forms printing layer；
S4, line technique is inhaled
S41, by the super fiber leather after printing treatment, be sent into baking oven preliminary drying, oven temperature is controlled at 80~120 DEG C；
S42, then with vacuum tattoo machine suction line is carried out, heating mantles successively pass through two heating regions, and first adds for main body
Temperature, second for mending temperature, the suction line roller roller speed is 8~15m/min, while using infrared heating, successively controls infrared add
Hot temperature is 150~200 DEG C, and infrared benefit temperature temperature is 160~230 DEG C, is then cooled down；It is super that thick and soft suction line is not lost
Fibre leather.
2. the preparation method according to claim 1 for not losing thick and soft suction line super fiber leather, which is characterized in that further include
Following steps:
S5, line technique is rubbed
S51, by the super fiber leather after microgroove process, be sent into and contain soaking pit, with rubbing the impregnation of line slurries；
S52, cold rolling then carried out by milling train, when cold rolling, the nip pressure of the milling train is 2~5Kg/cm2, roller speed for 8~
15m/min；
S53, baking oven preliminary drying is then carried out, then successively by roller and takes off twister, be then fed into chopping block baking oven and dried, it is cooling
?.
3. the preparation method according to claim 1 for not losing thick and soft suction line super fiber leather, which is characterized in that step
In S11, the not weaving fabric of superfine fiber with a thickness of 1.0~1.4mm.
4. the preparation method according to claim 1 for not losing thick and soft suction line super fiber leather, which is characterized in that step
In S11, the preparation method of the impregnation slurries are as follows: by the raw material of following parts by weight: 100 parts of water, 1~8 part of organosilicon auxiliary agent it is mixed
It after conjunction, stirs 20~40 minutes, is configured to impregnation slurries；Preferably, the organosilicon auxiliary agent is the DC- of Dow corning company
57。
5. the preparation method according to claim 1 for not losing thick and soft suction line super fiber leather, which is characterized in that step
In S13, the temperature control of the infrared baking oven for carrying out infrared preliminary drying use at 100~150 DEG C, infrared preliminary drying time is 1~
10min；The temperature of the baking oven for carrying out drying use is controlled at 100~160 DEG C of baking oven.
6. the preparation method according to claim 1 for not losing thick and soft suction line super fiber leather, which is characterized in that step
In S21, the method for preparing surface layer slurry are as follows: by the raw material of following parts by weight: 100 parts of polyurethane resin, dimethyl methyl
After 20~50 parts of amide, 20~50 parts of ethyl acetate, 10~40 parts of mill base mixing, stirs 30~45 minutes, be configured to superficial layer
Slurry；The viscosity of the surface layer slurry is 1000~6000cps/25 DEG C；Preferably, the softening point of the polyurethane resin is
150~230 DEG C.
7. the preparation method according to claim 1 for not losing thick and soft suction line super fiber leather, which is characterized in that step
In S22, the method for preparing middle layer slurry are as follows: by the raw material of following parts by weight: 100 parts of polyurethane resin, dimethyl methyl
After 20~50 parts of amide, 30~50 parts of ethyl acetate, 10~40 parts of mill base mixing, stirs 30~45 minutes, be configured to middle layer
Slurry；The viscosity of the middle layer slurry is 5000~20000cps/25 DEG C；Preferably, the softening point of the polyurethane resin
It is 150~230 DEG C.
8. the preparation method according to claim 1 for not losing thick and soft suction line super fiber leather, which is characterized in that step
In S23, the method for preparing adhesive layer slurry are as follows: by the raw material of following parts by weight: 100 parts of polyurethane resin, dimethyl methyl
After 10~50 parts of amide, 5~40 parts of ethyl acetate mixing, stirs 30~45 minutes, be configured to adhesive layer slurry；The adhesive layer
The viscosity of slurry is 5000~20000cps/25 DEG C；Preferably, the softening point of the polyurethane resin is 150~230 DEG C.
9. the preparation method according to claim 1 for not losing thick and soft suction line super fiber leather, which is characterized in that step
In S51, the preparation method for rubbing line slurries are as follows: by the raw material of following parts by weight: 100 parts of water, 4 parts of organosilicon auxiliary agent mixing
Afterwards, it stirs 30 minutes, is configured to rub line slurries；Preferably, the organosilicon auxiliary agent is the DC-57 of Dow corning company.
10. the preparation method according to claim 1 for not losing thick and soft suction line super fiber leather, which is characterized in that step
In S53, baking oven preliminary drying temperature control is at 80~120 DEG C, and drum temperature control is at 80~120 DEG C, chopping block oven temperature control
System is at 60~120 DEG C.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438816A (en) * | 2019-09-12 | 2019-11-12 | 兰州科天水性高分子材料有限公司 | A kind of suction line synthetic leather and preparation method thereof |
| TWI831141B (en) * | 2022-03-03 | 2024-02-01 | 捷欣企業股份有限公司 | Method for manufacturing leather article |
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| CN110438816B (en) * | 2019-09-12 | 2022-02-01 | 兰州科天水性高分子材料有限公司 | Grain-absorbing synthetic leather and preparation method thereof |
| TWI831141B (en) * | 2022-03-03 | 2024-02-01 | 捷欣企業股份有限公司 | Method for manufacturing leather article |
| US11965285B2 (en) | 2022-03-03 | 2024-04-23 | Chaei Hsin Enterprise Co., Ltd. | Method for manufacturing leather article |
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