CN106996044A - A kind of water-fast wiping artificial leather and preparation method thereof - Google Patents
A kind of water-fast wiping artificial leather and preparation method thereof Download PDFInfo
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- CN106996044A CN106996044A CN201710276528.5A CN201710276528A CN106996044A CN 106996044 A CN106996044 A CN 106996044A CN 201710276528 A CN201710276528 A CN 201710276528A CN 106996044 A CN106996044 A CN 106996044A
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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
-
- 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
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
-
- 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
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
- D06N3/0045—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers obtained by applying a ready-made foam layer; obtained by compressing, crinkling or crushing a foam layer, e.g. Kaschierverfahren für Schaumschicht
-
- 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
- D06N2209/0892—Luminescent, fluorescent, phosphorescent
-
- 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
- D06N2209/12—Permeability or impermeability properties
- D06N2209/121—Permeability to gases, adsorption
- D06N2209/123—Breathable
-
- 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
- D06N2209/12—Permeability or impermeability properties
- D06N2209/126—Permeability to liquids, absorption
- D06N2209/128—Non-permeable
-
- 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
- D06N2209/1685—Wear resistance
-
- 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 present invention relates to technical field of artificial leather, a kind of water-fast wiping artificial leather and preparation method thereof is provided, the problem of artificial leather of solution prior art is not water-fast to be wiped, air permeable effect is not good, including base cloth layer and the adhesive layer being sequentially arranged on base cloth layer, foaming layer, polyurethane cover, permeable watertight coating is provided between the foaming layer and polyurethane cover, the permeable watertight coating includes each raw material of following parts by weight:60~80 parts of polyurethane, 20~40 parts of dimethylformamide, 10~15 parts of levelling agent, there are 10~20 parts of mill base material, 100~120 parts of hydrogen peroxide.
Description
Technical field
The present invention relates to technical field of artificial leather, more particularly to a kind of water-fast wiping artificial leather and preparation method thereof.
Background technology
The artificial leather produced at present, is generally made up of surface layer, foaming layer, adhesive layer and base cloth layer, for raising artificial leather
Surface gloss, the purpose of smooth degree or suppleness, the surface (i.e. the surface of surface layer) of artificial leather typically will also use surface
Inorganic agent is handled.Specifically, a kind of following preparation methods for giving existing artificial leather, including:Step 1, selected base fabric
And release liners, polyvinyl chloride top slurry, foam polyvinyl chloride slurry, polyurethane coating medium and surface conditioning agent are prepared, it is described
Surface conditioning agent is by the propylene acidizer (acrylic resin and organic solvent are constituted) of 100 parts by weight and 0.1~1.0 parts by weight
Levelling agent (polyacrylate EVA) be mixed;Step 2, the polyvinyl chloride top slurry prepared is coated in it is selected
Release liners on, polyvinyl chloride top is formed after drying;Step 3, the foam polyvinyl chloride slurry prepared is coated in polychlorostyrene
On ethene surface layer, foam polyvinyl chloride layer is formed after foaming;Step 4, the polyurethane coating medium prepared is coated in polychlorostyrene second
Drying forms polyurethane sticking layer and base cloth layer in alkene foaming layer, then after selected base fabric of fitting;Step 5, removal release liners, are obtained
To artificial leather semi-finished product;Step 6, surface (the i.e. polyvinyl chloride that the surface conditioning agent prepared is coated in artificial leather semi-finished product
On surface layer), dried at 100 DEG C 1 minute, be then cooled and shaped through three rollers, obtain artificial leather finished product.
Obtained artificial leather, generally existing problems with existing process:1st, coating is (i.e. in artificial leather after inorganic agent drying
The coating that surface is formed) with the poor adhesive force on artificial leather surface, cause coating easily to ftracture, come off;2nd, it is not water-fast to wipe:That is, use
When wet cloth wipes artificial leather, foam occurs in artificial leather surface, not easy to clean;3rd, surface gloss is poor, and feel is not smooth enough, resistance to
Poor performance is ground, the number of times measured through Martindale's wear-resisting test can only achieve 5000 times or so.
China Patent No. 201310616165.7 discloses a kind of water-fast wiping artificial leather and preparation method thereof, including surface layer,
Foaming layer, adhesive layer and base cloth layer, the surface of the surface layer are coated with coating, and the surface layer dries shape by polyurethane cover slurry
Into;The coating is dried by surface conditioning agent to be formed, and the polyurethane cover slurry is by the polyurethane resin of 100 parts by weight and 60
The organic solvent compositions of~80 parts by weight, the surface conditioning agent is by the polyurethane resins of 100 parts by weight, 60~80 parts by weight
The levelling agent composition of organic solvent, the nertralizer of 0.5~1 parts by weight and 0.1 parts by weight, the organic solvent is dimethyl formyl
Amine or butanone.The foaming layer is dried by foam polyvinyl chloride slurry and formed, and polychlorostyrene is additionally provided between the surface layer and foaming layer
Ethene intermediate layer, the polyvinyl chloride intermediate layer is dried by polyvinyl chloride pulp to be formed, and the polyvinyl chloride pulp is by polychlorostyrene second
Olefine resin and dioctyl phthalate composition.
The artificial leather has water-fast wiping performance, and coating is not easily susceptible to cracking, and surface gloss is good, and feel is smooth, but it is in face
The polyvinyl chloride intermediate layer air permeable effect set between layer and foaming layer is poor, applies it to and is used in sofa, leather shoes, user's body
Test not good.
The content of the invention
Therefore, for above content, the present invention provides a kind of water-fast wiping artificial leather and preparation method thereof, solves prior art
Artificial leather not water-fast wipe, the problem of air permeable effect is not good.
To reach above-mentioned purpose, the present invention is achieved by the following technical solutions:A kind of water-fast wiping artificial leather, including base
Layer of cloth and the adhesive layer being sequentially arranged on base cloth layer, foaming layer, polyurethane cover, set between the foaming layer and polyurethane cover
There is permeable watertight coating, the permeable watertight coating includes each raw material of following parts by weight:60~80 parts of polyurethane, diformazan
20~40 parts of base formamide, 10~15 parts of levelling agent, there are 10~20 parts of mill base material, 100~120 parts of hydrogen peroxide.
Further improving is:Also include 5~10 parts of fluorescer in the permeable watertight coating.
Further improving is:The polyurethane cover is transparent polyurethane.
A kind of water-fast preparation method for wiping artificial leather, including following preparation process:
(1) adhesive layer is coated with base cloth layer, the composite foamed layer on adhesive layer;
(2) permeable watertight coating is prepared:By polyurethane, dimethylformamide, levelling agent, there is mill base material to be sufficiently mixed
After even, hydrogen peroxide is quickly poured into, is reacted, coat inside is formed with micro hole;
(3) the rapid coating polyurethane cover on the permeable watertight coating that step (2) processing is obtained;
(4) dry, be cooled and shaped.
Further improving is:In step (2), also added with fluorescer, the fluorescer and polyurethane, dimethyl formyl
Amine, levelling agent, have mill base material be sufficiently mixed it is uniform after pour into hydrogen peroxide again and reacted.
By using preceding solution, the beneficial effects of the invention are as follows:The water-fast wiping artificial leather of the present invention, it is in poly- ammonia
It is coated with permeable watertight coating between ester surface layer and foaming layer, top layer polyurethane cover has a tiny air-vent, water-fast wiping,
Permeable watertight coating hydrogen peroxide unstable chemcial property in the preparation itself, meets water and produces oxygen, oxygen is in coating paste
In stomata is formed during escape, because polyurethane cover is quickly coated on its top layer so that permeable watertight coating
Its effect can be fully played, due to the presence of permeable watertight coating, polyurethane cover is combined with foaming layer more tight
Close, it is not easy to be layered, air permeable effect is good, and water-fast wiping.Further, fluorescer is added with permeable watertight,
Fluorescence can be sent in night leather, it is shinny from permeable watertight layer, make the polyurethane cover lines on top layer relatively sharp, it is more beautiful
See.
Embodiment
Describe embodiments of the present invention in detail below with reference to specific embodiment, how skill is applied to the present invention whereby
Art means solve technical problem, and reach the implementation process of technique effect and can fully understand and implement according to this.
Unless otherwise specified, the conventional hand that the technological means employed in embodiment is well known to those skilled in the art
Section, the reagent and product used is also available commercial.The source of agents useful for same, trade name and it is necessary to list it
Constituent person, indicates on the first appearance.
Embodiment one
A kind of water-fast wiping artificial leather, including base cloth layer and be sequentially arranged on base cloth layer adhesive layer, foaming layer, polyurethane face
Layer, is provided with permeable watertight coating between the foaming layer and polyurethane cover, the permeable watertight coating includes following heavy
Measure each raw material of part:60 parts of polyurethane, 20 parts of dimethylformamide, 10 parts of levelling agent, there are 10 parts of mill base material, 5 parts of fluorescer, mistake
100 parts of hydrogen oxide.
Its preparation method, including following preparation process:
(1) adhesive layer is coated with base cloth layer, the composite foamed layer on adhesive layer;
(2) permeable watertight coating is prepared:By polyurethane, dimethylformamide, levelling agent, there are mill base material, fluorescer to fill
Divide after being well mixed, be quickly poured into hydrogen peroxide, reacted, coat inside is formed with micro hole;
(3) the rapid coating polyurethane cover on the permeable watertight coating that step (2) processing is obtained;
(4) dry, be cooled and shaped.
Embodiment two
A kind of water-fast wiping artificial leather, including base cloth layer and be sequentially arranged on base cloth layer adhesive layer, foaming layer, polyurethane face
Layer, is provided with permeable watertight coating between the foaming layer and polyurethane cover, the permeable watertight coating includes following heavy
Measure each raw material of part:70 parts of polyurethane, 30 parts of dimethylformamide, 12 parts of levelling agent, there are 15 parts of mill base material, 7 parts of fluorescer, mistake
110 parts of hydrogen oxide.
Its preparation method, including following preparation process:
(1) adhesive layer is coated with base cloth layer, the composite foamed layer on adhesive layer;
(2) permeable watertight coating is prepared:By polyurethane, dimethylformamide, levelling agent, there are mill base material, fluorescer to fill
Divide after being well mixed, be quickly poured into hydrogen peroxide, reacted, coat inside is formed with micro hole;
(3) the rapid coating polyurethane cover on the permeable watertight coating that step (2) processing is obtained;
(4) dry, be cooled and shaped.
The polyurethane cover is transparent polyurethane, and the preparation method of the transparent polyurethane is:By PEPA, many
Isocyanates, solvent, defoamer, levelling agent, catalyst, are stirred at room temperature reaction 5min, stand 20min, that is, obtain transparent poly- ammonia
Ester, the consumption of each material is 40 parts of PEPA, 30 parts of polyisocyanates, 15 parts of solvent, 5 parts of defoamer, 5 parts of levelling agent,
5 parts of catalyst.
Embodiment three
A kind of water-fast wiping artificial leather, including base cloth layer and be sequentially arranged on base cloth layer adhesive layer, foaming layer, polyurethane face
Layer, is provided with permeable watertight coating between the foaming layer and polyurethane cover, the permeable watertight coating includes following heavy
Measure each raw material of part:80 parts of polyurethane, 40 parts of dimethylformamide, 15 parts of levelling agent, have 20 parts of mill base material, 10 parts of fluorescer,
120 parts of hydrogen peroxide.
Its preparation method, including following preparation process:
(1) adhesive layer is coated with base cloth layer, the composite foamed layer on adhesive layer;
(2) permeable watertight coating is prepared:By polyurethane, dimethylformamide, levelling agent, there are mill base material, fluorescer to fill
Divide after being well mixed, be quickly poured into hydrogen peroxide, reacted, coat inside is formed with micro hole;
(3) the rapid coating polyurethane cover on the permeable watertight coating that step (2) processing is obtained;
(4) dry, be cooled and shaped.
Described above, only using the embodiment of this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the claims of this creation opinion, and be not limited to those disclosed embodiments.
Claims (5)
1. a kind of water-fast wiping artificial leather, including base cloth layer and be sequentially arranged on base cloth layer adhesive layer, foaming layer, polyurethane face
Layer, it is characterised in that:Permeable watertight coating, the permeable watertight coating are provided between the foaming layer and polyurethane cover
Each raw material including following parts by weight:60~80 parts of polyurethane, 20~40 parts of dimethylformamide, 10~15 parts of levelling agent, have
10~20 parts of mill base material, 100~120 parts of hydrogen peroxide.
2. water-fast wiping artificial leather according to claim 1, it is characterised in that:Also include in the permeable watertight coating
5~10 parts of fluorescer.
3. water-fast wiping artificial leather according to claim 2, it is characterised in that:The polyurethane cover is transparent polyurethane.
4. a kind of water-fast preparation method for wiping artificial leather, it is characterised in that including following preparation process:
(1) adhesive layer is coated with base cloth layer, the composite foamed layer on adhesive layer;
(2) permeable watertight coating is prepared:By polyurethane, dimethylformamide, levelling agent, there is mill base material to be sufficiently mixed uniformly
Afterwards, hydrogen peroxide is quickly poured into, is reacted, coat inside is formed with micro hole;
(3) the rapid coating polyurethane cover on the permeable watertight coating that step (2) processing is obtained;
(4) dry, be cooled and shaped.
5. the water-fast preparation method for wiping artificial leather according to claim 4, it is characterised in that:In step (2), also it is added with
Fluorescer, the fluorescer and polyurethane, dimethylformamide, levelling agent, have mill base material be sufficiently mixed it is uniform after poured into again
Hydrogen oxide is reacted.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107401058A (en) * | 2017-08-10 | 2017-11-28 | 福建育灯纺织有限公司 | A kind of method of dry process Synthetic Leather |
CN114000362A (en) * | 2021-11-09 | 2022-02-01 | 福建华大利合成革有限公司 | Breathable environment-friendly leather and preparation method thereof |
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CN105199073A (en) * | 2015-07-30 | 2015-12-30 | 四川大学 | Environmentally friendly fluorescent waterborne polyurethane and preparation method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107401058A (en) * | 2017-08-10 | 2017-11-28 | 福建育灯纺织有限公司 | A kind of method of dry process Synthetic Leather |
CN114000362A (en) * | 2021-11-09 | 2022-02-01 | 福建华大利合成革有限公司 | Breathable environment-friendly leather and preparation method thereof |
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Application publication date: 20170801 |