CN116905246A - Preparation method of microfiber tableware leather - Google Patents
Preparation method of microfiber tableware leather Download PDFInfo
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- CN116905246A CN116905246A CN202310892890.0A CN202310892890A CN116905246A CN 116905246 A CN116905246 A CN 116905246A CN 202310892890 A CN202310892890 A CN 202310892890A CN 116905246 A CN116905246 A CN 116905246A
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- solid content
- leather
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- microfiber
- polyurethane resin
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- 239000010985 leather Substances 0.000 title claims abstract description 30
- 229920001410 Microfiber Polymers 0.000 title claims abstract description 20
- 239000003658 microfiber Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims description 44
- 238000000576 coating method Methods 0.000 claims description 44
- 238000001035 drying Methods 0.000 claims description 44
- 239000010410 layer Substances 0.000 claims description 33
- 239000007787 solid Substances 0.000 claims description 33
- 229920005749 polyurethane resin Polymers 0.000 claims description 27
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 17
- 229920000570 polyether Polymers 0.000 claims description 17
- 239000002344 surface layer Substances 0.000 claims description 16
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 14
- 238000000227 grinding Methods 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 238000007790 scraping Methods 0.000 claims description 12
- 239000012790 adhesive layer Substances 0.000 claims description 8
- 244000137852 Petrea volubilis Species 0.000 claims description 6
- 238000009820 dry lamination Methods 0.000 claims description 6
- 239000011268 mixed slurry Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000005202 decontamination Methods 0.000 claims description 3
- 230000003588 decontaminative effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000003475 lamination Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 3
- 230000000052 comparative effect Effects 0.000 description 7
- 239000000047 product Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001114 myogenic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- D06N3/007—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
-
- 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
-
- 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
- D06N2209/08—Properties of the materials having optical properties
- D06N2209/0807—Coloured
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- 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 application relates to the technical field of preparation of microfiber leather, in particular to a preparation method of microfiber tableware leather. The preparation method provided by the application is simple, the steps are easy to operate, and the tableware double-sided leather with strong double-sided draping feel, different styles and various patterns and meeting the personalized requirements is obtained through curing control and a dry method special process.
Description
Technical Field
The application relates to the technical field of preparation of microfiber leather, in particular to a preparation method of microfiber tableware leather.
Background
At present, the superfine fiber polyurethane synthetic leather is mainly applied to shoes, clothes, electronic packages, bags, sofa automotive interiors, balls and the like, and along with the higher and higher cognition of people, the trend of pursuing high quality and individuation is that the dining cushion leather for restaurants is generated. The development of the dinner pad leather is restrained by draping feel, edge curling without warping, serialization style, environmental protection and the like, so that a preparation method of the microfiber tableware leather is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the application provides a preparation method of microfiber tableware leather, which is used for solving the problems of low draping feel and less edge-curling color series of the existing tableware leather.
In order to solve the technical problems, the application adopts the following technical scheme:
a preparation method of microfiber tableware leather comprises the following steps:
(1) Grinding the skin: selecting a high-overhang bass, and polishing the front and back surfaces of the bass by adopting a double-grinding-head vertical type skin grinder; the front grinding head sand paper has the size of 80-150 meshes, the rotating speed of 1000-1500r/min, the peeling amount of 5-10s, the rear grinding head sand paper has the size of 180-400 meshes, the rotating speed of 1200-1800r/min, the peeling amount of 1-2s and the speed of the whole machine of 5-10m/min;
(2) Shrinking the bass in the step (1) by a mesh belt type shaping machine, controlling the shrinkage rate of the bass to be less than or equal to 0.5% in the longitudinal and transverse directions, shaping the shrinkage temperature to be 80-130 ℃ and the speed to be 3-6m/min;
(3) A first-pass dry lamination step: and (3) after the bass obtained in the step (2) is qualified, bonding the base to a dry line, coating and scraping resin mixed slurry of the surface layer and the middle layer on release paper, drying, coating and scraping a layer of bonding layer, and drying after bonding the bonding layer with the bass in a baking and semi-drying mode. Wherein (1) the surface layer adopts a high-smoothness polyurethane resin with a coating weight of 10-15S and a drying temperature of 80-120 ℃; (2) the middle layer adopts high solid content polyether polyurethane resin, the solid content is 50-60%, the coating weight is 20-35S, and the drying temperature is 80-130 ℃; (3) the adhesive layer adopts high-solid content polyether polyurethane resin, the solid content is 40-60%, the coating weight is 20-30S, and the drying temperature is 100-145 ℃;
(4) Curing the first-time dry-process veneered leather in the step (3) by a mesh belt type setting machine, setting and shrinking at 80-130 ℃ and with the speed of 2-5m/min;
(5) And a second-time dry lamination step: and (3) carrying out the second lamination on the reverse side of the first-pass dry-process laminated leather obtained in the step (4) to the dry-process line, coating and scraping the resin mixed slurry of the surface layer and the middle layer on release paper, drying, coating and scraping a layer of bonding layer, and drying after the bonding layer is baked and semi-dried and is laminated with the bass. Wherein (1) the surface layer adopts a high-smoothness polyurethane resin with a coating weight of 10-15S and a drying temperature of 80-120 ℃; (2) the middle layer adopts high solid content polyether polyurethane resin, the solid content is 50-60%, the coating weight is 15-25S, and the drying temperature is 80-130 ℃; (3) the adhesive layer adopts high-solid content polyether polyurethane resin, the solid content is 40-60%, the coating weight is 15-25S, and the drying temperature is 100-145 ℃;
(6) Three-edition easy decontamination treatment: placing the microfiber double-sided leather obtained in the step (5) on the front side and the back side of a three-plate processor to perform soil release treatment; the first edition of coating quantity is 100-240 meshes, the coating quantity is 15-35 g/m, the viscosity is 1000-3000CPS, the second edition of coating quantity is 150-240 meshes, the coating quantity is 10-25 g/m, the viscosity is 1000-3000CPS, and the microfiber tableware double-sided leather is prepared.
Further, the high overhang feeling in the step (1) is Bei Simi degrees of 0.5-0.7, and hydrolysis is resistant for 5 years.
Further, the dry fabric high-smoothness carbon polyurethane resin in the step (5) is prepared by mixing and dispersing DMF according to a ratio of 100:70-95; the thickness of the resin mixture of the surface layer is controlled to be 0.02-0.05mm, the modulus is 80-120, and the solid content is 20-40%.
Further, the dry-method medium-material high-solid-content polyether polyurethane resin in the step (5) and DMF are mixed and dispersed according to the ratio of 100:10-30 to prepare the polyurethane resin; the thickness of the resin mixture in the middle layer is controlled to be 0.1-0.2mm, the modulus is 10-30, and the solid content is 50-60%.
Detailed Description
In order that those skilled in the art can better understand the present application, the following description of the technical scheme of the present application will be provided with reference to examples.
Example 1:
the preparation method of the microfiber tableware leather comprises the following steps:
(1) Grinding the skin: selecting a high-overhang bass, and polishing the front and back surfaces of the bass by adopting a double-grinding-head vertical type skin grinder; the front grinding head sand paper has the size of 80-150 meshes, the rotating speed of 1000-1500r/min, the peeling amount of 5-10s, the rear grinding head sand paper has the size of 180-400 meshes, the rotating speed of 1200-1800r/min, the peeling amount of 1-2s and the speed of the whole machine of 5-10m/min;
(2) Shrinking the bass in the step (1) by a mesh belt type shaping machine, controlling the shrinkage rate of the bass to be less than or equal to 0.5% in the longitudinal and transverse directions, shaping the shrinkage temperature to be 80-130 ℃ and the speed to be 3-6m/min;
(3) A first-pass dry lamination step: and (3) after the bass obtained in the step (2) is qualified, bonding the base to a dry line, coating and scraping resin mixed slurry of the surface layer and the middle layer on release paper, drying, coating and scraping a layer of bonding layer, and drying after bonding the bonding layer with the bass in a baking and semi-drying mode. Wherein (1) the surface layer adopts a high-smoothness polyurethane resin with a coating weight of 10-15S and a drying temperature of 80-120 ℃; (2) the middle layer adopts high solid content polyether polyurethane resin, the solid content is 50-60%, the coating weight is 20-35S, and the drying temperature is 80-130 ℃; (3) the adhesive layer adopts high-solid content polyether polyurethane resin, the solid content is 40-60%, the coating weight is 20-30S, and the drying temperature is 100-145 ℃;
(4) Curing the first-time dry-process veneered leather in the step (3) by a mesh belt type setting machine, setting and shrinking at 80-130 ℃ and with the speed of 2-5m/min;
(5) And a second-time dry lamination step: and (3) carrying out the second lamination on the reverse side of the first-pass dry-process laminated leather obtained in the step (4) to the dry-process line, coating and scraping the resin mixed slurry of the surface layer and the middle layer on release paper, drying, coating and scraping a layer of bonding layer, and drying after the bonding layer is baked and semi-dried and is laminated with the bass. Wherein (1) the surface layer adopts a high-smoothness polyurethane resin with a coating weight of 10-15S and a drying temperature of 80-120 ℃; (2) the middle layer adopts high solid content polyether polyurethane resin, the solid content is 50-60%, the coating weight is 15-25S, and the drying temperature is 80-130 ℃; (3) the adhesive layer adopts high-solid content polyether polyurethane resin, the solid content is 40-60%, the coating weight is 15-25S, and the drying temperature is 100-145 ℃;
(6) Three-edition easy decontamination treatment: placing the microfiber double-sided leather obtained in the step (5) on the front side and the back side of a three-plate processor to perform soil release treatment; the first edition of coating quantity is 100-240 meshes, the coating quantity is 15-35 g/m, the viscosity is 1000-3000CPS, the second edition of coating quantity is 150-240 meshes, the coating quantity is 10-25 g/m, the viscosity is 1000-3000CPS, and the microfiber tableware double-sided leather is prepared.
The high overhang feeling in the step (1) is Bei Simi degrees and is 0.5-0.7, and hydrolysis is resistant for 5 years.
The dry-method fabric high-smoothness polycarbonate polyurethane resin in the step (5) is prepared by mixing and dispersing DMF (dimethyl formamide) according to the ratio of 100:70-95; the thickness of the resin mixture of the surface layer is controlled to be 0.02-0.05mm, the modulus is 80-120, and the solid content is 20-40%.
The dry method medium material high-solid content polyether polyurethane resin in the step (5) and DMF are mixed and dispersed according to the ratio of 100:10-30; the thickness of the resin mixture in the middle layer is controlled to be 0.1-0.2mm, the modulus is 10-30, and the solid content is 50-60%.
Comparative example 1:
the same as in example 1, except that the front grinding head rotation speed of the double grinding head vertical type skin grinding machine in the step (1) was 900r/min, the roughness and the roughness of the hair length of the prepared bass skin surface were insufficient.
Comparative example 2:
the same as in example 1, except that the front grinding head rotation speed of the double grinding head vertical type skin grinder in the step (1) was 1600r/min, the thickness of the prepared bass was uneven.
Comparative example 3:
the same as in example 1, except that the dry-method bonding adhesive layer in step (3) was made of a high-solid polyether polyurethane resin, the coating amount was 15S, the color of the base material easily penetrated into the surface layer in the dry-method bonding, the myogenic property was insufficient, and the physical properties showed a deviation in properties such as abrasion resistance, scratch resistance, flex resistance at normal/low temperature, light resistance, hydrolysis resistance, and the like.
Comparative example 4:
the same as in example 1, except that the dry bonding adhesive layer in step (3) was made of a high-solid polyether polyurethane resin, the coating amount was 35S, the crease was hard to feel in the dry bonding, the bending deviation was resistant at normal temperature/low temperature, the drying speed was slow, and the risk of residual solvent volatilization was increased.
Comparative example 5:
the procedure is as in example 1, except that the setting shrinkage temperature in step (4) is 70 ℃, and the residual odor in the dry veneers is not volatilized by drying, which is easy to cause the second step of surface pattern film rot and the release paper to separate in advance.
Comparative example 6:
the procedure is as in example 1, except that the final product obtained in step (4) has a set shrinkage temperature of 140℃and a stiff hand, the first pass of the veneer has a pattern which is not clear at high temperature, a bright haze, a thicker crease and a lower tear strength.
As can be seen by comparison of example 1 and comparative examples 1-6:
1. the preparation method is simple, the steps are easy to operate, and the prepared finished product has strong double-sided draping feeling;
2. the finished product prepared by the application can provide various flower color series and can meet the personalized requirements.
The foregoing is merely exemplary of the present application, and specific structures and features well known in the art will not be described in detail herein, so that those skilled in the art will be aware of all the prior art to which the present application pertains, and will be able to ascertain the general knowledge of the technical field in the application or prior art, and will not be able to ascertain the general knowledge of the technical field in the prior art, without using the prior art, to practice the present application, with the aid of the present application, to ascertain the general knowledge of the same general knowledge of the technical field in general purpose. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present application, and these should also be considered as the scope of the present application, which does not affect the effect of the implementation of the present application and the utility of the patent.
Claims (4)
1. A preparation method of microfiber tableware leather is characterized by comprising the following steps: the method comprises the following steps:
(1) Grinding the skin: selecting a high-overhang bass, and polishing the front and back surfaces of the bass by adopting a double-grinding-head vertical type skin grinder; the front grinding head sand paper has the size of 80-150 meshes, the rotating speed of 1000-1500r/min, the peeling amount of 5-10s, the rear grinding head sand paper has the size of 180-400 meshes, the rotating speed of 1200-1800r/min, the peeling amount of 1-2s and the speed of the whole machine of 5-10m/min;
(2) Shrinking the bass in the step (1) by a mesh belt type shaping machine, controlling the shrinkage rate of the bass to be less than or equal to 0.5% in the longitudinal and transverse directions, shaping the shrinkage temperature to be 80-130 ℃ and the speed to be 3-6m/min;
(3) A first-pass dry lamination step: and (3) after the bass obtained in the step (2) is qualified, bonding the base to a dry line, coating and scraping resin mixed slurry of the surface layer and the middle layer on release paper, drying, coating and scraping a layer of bonding layer, and drying after bonding the bonding layer with the bass in a baking and semi-drying mode. Wherein (1) the surface layer adopts a high-smoothness polyurethane resin with a coating weight of 10-15S and a drying temperature of 80-120 ℃; (2) the middle layer adopts high solid content polyether polyurethane resin, the solid content is 50-60%, the coating weight is 20-35S, and the drying temperature is 80-130 ℃; (3) the adhesive layer adopts high-solid content polyether polyurethane resin, the solid content is 40-60%, the coating weight is 20-30S, and the drying temperature is 100-145 ℃;
(4) Curing the first-time dry-process veneered leather in the step (3) by a mesh belt type setting machine, setting and shrinking at 80-130 ℃ and with the speed of 2-5m/min;
(5) And a second-time dry lamination step: and (3) carrying out the second lamination on the reverse side of the first-pass dry-process laminated leather obtained in the step (4) to the dry-process line, coating and scraping the resin mixed slurry of the surface layer and the middle layer on release paper, drying, coating and scraping a layer of bonding layer, and drying after the bonding layer is baked and semi-dried and is laminated with the bass. Wherein (1) the surface layer adopts a high-smoothness polyurethane resin with a coating weight of 10-15S and a drying temperature of 80-120 ℃; (2) the middle layer adopts high solid content polyether polyurethane resin, the solid content is 50-60%, the coating weight is 15-25S, and the drying temperature is 80-130 ℃; (3) the adhesive layer adopts high-solid content polyether polyurethane resin, the solid content is 40-60%, the coating weight is 15-25S, and the drying temperature is 100-145 ℃;
(6) Three-edition easy decontamination treatment: placing the microfiber double-sided leather obtained in the step (5) on the front side and the back side of a three-plate processor to perform soil release treatment; the first edition of coating quantity is 100-240 meshes, the coating quantity is 15-35 g/m, the viscosity is 1000-3000CPS, the second edition of coating quantity is 150-240 meshes, the coating quantity is 10-25 g/m, the viscosity is 1000-3000CPS, and the microfiber tableware double-sided leather is prepared.
2. A method of making a microfiber tableware leather according to claim 1, wherein: the high overhang feeling in the step (1) is Bei Simi degrees and is 0.5-0.7, and the hydrolysis is resistant for 5 years.
3. A method of making a microfiber tableware leather according to claim 1, wherein: the dry fabric high-smoothness carbon polyurethane resin in the step (5) is prepared by mixing and dispersing DMF (dimethyl formamide) according to a ratio of 100:70-95; the thickness of the resin mixture of the surface layer is controlled to be 0.02-0.05mm, the modulus is 80-120, and the solid content is 20-40%.
4. A method of making a microfiber tableware leather according to claim 1, wherein: the dry-method medium-material high-solid-content polyether polyurethane resin in the step (5) and DMF are mixed and dispersed according to the ratio of 100:10-30; the thickness of the resin mixture in the middle layer is controlled to be 0.1-0.2mm, the modulus is 10-30, and the solid content is 50-60%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310892890.0A CN116905246A (en) | 2023-07-20 | 2023-07-20 | Preparation method of microfiber tableware leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310892890.0A CN116905246A (en) | 2023-07-20 | 2023-07-20 | Preparation method of microfiber tableware leather |
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| Publication Number | Publication Date |
|---|---|
| CN116905246A true CN116905246A (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310892890.0A Pending CN116905246A (en) | 2023-07-20 | 2023-07-20 | Preparation method of microfiber tableware leather |
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| Country | Link |
|---|---|
| CN (1) | CN116905246A (en) |
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- 2023-07-20 CN CN202310892890.0A patent/CN116905246A/en active Pending
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