CN106948184A - A kind of aqueous polyurethane furniture synthetic leather - Google Patents

A kind of aqueous polyurethane furniture synthetic leather Download PDF

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Publication number
CN106948184A
CN106948184A CN201710133460.5A CN201710133460A CN106948184A CN 106948184 A CN106948184 A CN 106948184A CN 201710133460 A CN201710133460 A CN 201710133460A CN 106948184 A CN106948184 A CN 106948184A
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polyurethane
parts
slurry
synthetic leather
aqueous polyurethane
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谢伟
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Jiangsu Yuansheng Chemical Co Ltd
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Jiangsu Yuansheng Chemical Co Ltd
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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
    • D06N3/0043—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
    • D06N3/0047—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 incorporating air, i.e. froth
    • 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
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • 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
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
    • 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
    • D06N2209/00—Properties of the materials
    • D06N2209/08—Properties of the materials having optical properties
    • D06N2209/0838—Bright, glossy, shiny surface
    • 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
    • D06N2209/0861—Transparent
    • 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
    • D06N2209/10—Properties of the materials having mechanical properties
    • D06N2209/108—Slipping, anti-blocking, low friction
    • 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
    • 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
    • D06N2211/14—Furniture, upholstery
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)

Abstract

The invention discloses a kind of preparation method of aqueous polyurethane furniture synthetic leather, including step in detail below：First, Water-borne polyurethane synthetic leather size is prepared first to be prepared by following composition weight：Secondly waterborne polyurethane synthetic leather slurry foamed slurry is prepared：Then water-soluble polyurethane leather beth is prepared：2nd, the preparation of aqueous polyurethane top layer slurry：The anti-ion polyurethane resin of emulsion type, pigment, aqueous polyurethane thickener, organic silicon hand feeling agent, deionized water, levelling agent, the mixing of negative oxygen ion generating body powder；3rd, aqueous polyurethane top layer slurry is coated in water-soluble polyurethane leather beth surface, dried under the conditions of 150 200 DEG C, with the smooth processing of felt wrapped roll, then clipped, inspection and winding process successively.The furniture synthetic leather, will not only be polluted to environment, and glossiness is high, good hand touch, and the transparency, anti-adhesion performance and low-temperature storage are good.

Description

A kind of aqueous polyurethane furniture synthetic leather
Technical field
The present invention relates to synthetic leather field, particularly a kind of aqueous polyurethane furniture synthetic leather.
Background technology
One kind that soft furniture mattress belongs in family property, contains sofa, the soft bed of leisure fabrics, leather, leather plus dry goods.It is existing Classify a kind of more detailed family property type for family property.The manufacturing process of soft furniture mattress relies primarily on artisan craftsmanship, master operation bag Nail internal frame, bottoming cloth are included, viscous sponge, sanction, is set to outside car and last to lay one's hand on work process.Current soft furniture mattress industry whole China with Beijing, Xianghe furniture all, Sichuan Chengdu, the ground such as Guangdong has formd larger production base.Commonly used in soft furniture Leather is divided into corium and the major class of dermatine two.
With the enhancing of people's environmental consciousness and health perception in recent years, the environmentally friendly and harmless product demand of health Gradually increase.Traditional furniture leather can volatilize in use to be polluted, and the current requirement to environmental protection is not met, in light The plastic sense that damp degree can show when higher is strong, not enough naturally.
The content of the invention
It is an object of the invention to provide a kind of aqueous polyurethane furniture synthetic leather, environment will not only be polluted, And glossiness is high, good hand touch, the transparency, anti-adhesion performance and low-temperature storage are good.
To achieve the above object, the technical solution adopted by the present invention is：A kind of system of aqueous polyurethane furniture synthetic leather Preparation Method, it is characterised in that including step in detail below：
First, the preparation of water-soluble polyurethane leather beth
(1) aqueous polyurethane synthetic leather slurry is prepared to be prepared by following composition weight：70-90 parts of aqueous polyurethane, 0.1-1 parts of dispersant, 3-10 parts of foam stabilizer, 4-15 parts of polypropylene powder, 4-15 parts of talcum powder, thickener：1-5 parts；
(2) aqueous polyurethane synthetic leather slurry foamed slurry is prepared：Add and adjust by the synthetic leather slurry being made of said ratio In kettle, dispersant, polypropylene powder and talcum powder are added while being stirred, and under conditions of 1000-1500 revs/min Dispersed with stirring more than 30 minutes, adds thickener stirring, obtained slurry；Before coating, by above-mentioned slurry in stirring condition Lower addition foam stabilizer, and slurry is foamed using compressed air, expansion rate 0.2-0.8m3/ h, 600-1000 rev/min Stirring foaming 5-10 minutes, is made waterborne polyurethane synthetic leather foamed slurry；
(3) water-soluble polyurethane leather beth is prepared：In the base fabric for handling and being plated through ironing roller by base fabric, use Knife coating coats above-mentioned waterborne polyurethane synthetic leather foamed slurry, and coated weight is 300-600g/m2, in 120-150 DEG C of temperature, dry Case length is 7-10 meters, and linear speed is drying under conditions of 3-5m/min, obtains water-soluble polyurethane leather beth；
2nd, the preparation of aqueous polyurethane top layer slurry：
Prepare aqueous polyurethane top layer slurry：30-90 parts of emulsion type anti-ion polyurethane resin, adds 10-20 parts of pigment, 0.5-3 parts of thickener of aqueous polyurethane, 0.5-3 parts of organic silicon hand feeling agent, 4-68 parts of deionized water, 0.5-2 parts of levelling agent is born 5-10 parts of oxonium ion generating body powder；The solid content of aqueous polyurethane top layer slurry is 10%-50%, and viscosity is 500- 5000mPa.·s；
3rd, the preparation of aqueous polyurethane furniture synthetic leather
Aqueous polyurethane top layer slurry is coated in water-soluble polyurethane leather beth surface, coated weight is 30-50g/m2, Dried under the conditions of 150-200 DEG C, with the smooth processing of felt wrapped roll, then clipped, inspection and winding process successively, obtain aqueous poly- Urethane furniture synthetic leather.
Further, the pigment is aqueous pigment dispersions, metal powder and/or bronze.
Further, the thickener is polyurethane association type and/or alkali swelling type acrylic thickener.
Further, the levelling agent is organic-silicon-modified and/or acrylic acid modified aqueous levelling agent.
Further, the organic silicon hand feeling agent uses polyether-modified dimethyl silica alkanes organic silicon hand feeling agent.
Beneficial effects of the present invention：
1st, without any organic solvent in whole production process, current solvent type synthetic leather organic solvent pollution is solved, residual The problem of staying.
2nd, the product has good ventilative and vapor pervious performance.
3rd, negative oxygen ion generating body powder is with the addition of, the effect purified the air of a room is played.
4. adding organic silicon hand feeling agent improves the feel and antistick characteristic of synthetic leather.
Embodiment
The present invention is described in further detail below.
Embodiment one：A kind of preparation method of aqueous polyurethane furniture synthetic leather, including step in detail below：First, Aqueous polyurethane synthetic leather slurry is prepared to be prepared by following composition weight：70 parts of aqueous polyurethane, 0.1 part of dispersant, surely 3 parts of infusion, 4 parts of polypropylene powder, 4 parts of talcum powder, 1 part of polyurethane associative thickener；By by the synthesis being made of said ratio Remove from office slurry to add in mediation kettle, dispersant, polypropylene powder and talcum powder are added while being stirred, and at 1000 revs/min Under conditions of dispersed with stirring more than 30 minutes, add thickener stirring, obtained slurry；Before coating, above-mentioned slurry is existed Foam stabilizer is added under stirring condition, and slurry is foamed using compressed air, expansion rate 0.2m3/ h, 600 revs/min Stirring foaming 5 minutes, is made waterborne polyurethane synthetic leather foamed slurry；The base fabric for handling and being plated through ironing roller by base fabric again On, above-mentioned waterborne polyurethane synthetic leather foamed slurry is coated using knife coating, coated weight is 300g/m2, in 120 DEG C of temperature, dry Case length is 7 meters, and linear speed is drying under conditions of 3m/min, obtains water-soluble polyurethane leather beth；Secondly, by following component Weight prepares aqueous polyurethane top layer slurry：30 parts of the anti-ion polyurethane resin of emulsion type, adds 10 parts of aqueous pigment dispersions, 0.5 part of thickener of aqueous polyurethane, 0.5 part polyether-modified of dimethyl silica alkanes organic silicon hand feeling agent, deionized water 4 Part, organic-silicon-modified 0.5 part of levelling agent, 5 parts of negative oxygen ion generating body powder；The solid content of aqueous polyurethane top layer slurry For 10%, viscosity is 500mPa.s；Finally, aqueous polyurethane top layer slurry is coated in water-soluble polyurethane leather beth table Face, coated weight is 30g/m2, dried under the conditions of 150 DEG C, with the smooth processing of felt wrapped roll, then clipped, inspection and winding successively Technique, obtains aqueous polyurethane furniture synthetic leather.
Embodiment two：A kind of preparation method of aqueous polyurethane furniture synthetic leather, including step in detail below：First, Aqueous polyurethane synthetic leather slurry is prepared to be prepared by following composition weight：80 parts of aqueous polyurethane, 0.5 part of dispersant, surely 5 parts of infusion, 8 parts of polypropylene powder, 8 parts of talcum powder, 3 parts of polyurethane associative thickener；By by the synthesis being made of said ratio Remove from office slurry to add in mediation kettle, dispersant, polypropylene powder and talcum powder are added while being stirred, and at 1200 revs/min Under conditions of dispersed with stirring more than 30 minutes, add thickener stirring, obtained slurry；Before coating, above-mentioned slurry is existed Foam stabilizer is added under stirring condition, and slurry is foamed using compressed air, expansion rate 0.5m3/ h, 800 revs/min Stirring foaming 8 minutes, is made waterborne polyurethane synthetic leather foamed slurry；The base fabric for handling and being plated through ironing roller by base fabric again On, above-mentioned waterborne polyurethane synthetic leather foamed slurry is coated using knife coating, coated weight is 450g/m2, in 140 DEG C of temperature, dry Case length is 8 meters, and linear speed is drying under conditions of 4m/min, obtains water-soluble polyurethane leather beth；Secondly, by following component Weight prepares aqueous polyurethane top layer slurry：60 parts of the anti-ion polyurethane resin of emulsion type, adds 15 parts of aqueous pigment dispersions, 1.5 parts of thickener of aqueous polyurethane, 1.5 parts polyether-modified of dimethyl silica alkanes organic silicon hand feeling agent, deionized water 10 Part, organic-silicon-modified 1 part of levelling agent, 7 parts of negative oxygen ion generating body powder；The solid content of aqueous polyurethane top layer slurry is 25%, viscosity is 2500mPa.s；Finally, aqueous polyurethane top layer slurry is coated in water-soluble polyurethane leather beth table Face, coated weight is 40g/m2, dried under the conditions of 170 DEG C, with the smooth processing of felt wrapped roll, then clipped, inspection and winding successively Technique, obtains aqueous polyurethane furniture synthetic leather.
Embodiment three：A kind of preparation method of aqueous polyurethane furniture synthetic leather, including step in detail below：First, Aqueous polyurethane synthetic leather slurry is prepared to be prepared by following composition weight：90 parts of aqueous polyurethane, 1 part of dispersant, foam stabilizing 10 parts of agent, 15 parts of polypropylene powder, 15 parts of talcum powder, 5 parts of polyurethane associative thickener；By by the synthesis being made of said ratio Remove from office slurry to add in mediation kettle, dispersant, polypropylene powder and talcum powder are added while being stirred, and at 1500 revs/min Under conditions of dispersed with stirring more than 30 minutes, add thickener stirring, obtained slurry；Before coating, above-mentioned slurry is existed Foam stabilizer is added under stirring condition, and slurry is foamed using compressed air, expansion rate 0.8m3/ h, 1000 revs/min Stirring foaming 10 minutes, is made waterborne polyurethane synthetic leather foamed slurry；The base for handling and being plated through ironing roller by base fabric again On cloth, above-mentioned waterborne polyurethane synthetic leather foamed slurry is coated using knife coating, coated weight is 600g/m2, in 150 DEG C of temperature, Baking oven length is 10 meters, and linear speed is drying under conditions of 5m/min, obtains water-soluble polyurethane leather beth；Secondly, by as follows Composition weight prepares aqueous polyurethane top layer slurry：90 parts of the anti-ion polyurethane resin of emulsion type, addition 20 parts of aqueous pigments point A prose style free from parallelism, 3 parts of thickener of aqueous polyurethane, 3 parts polyether-modified of dimethyl silica alkanes organic silicon hand feeling agent, deionized water 68 Part, organic-silicon-modified 2 parts of levelling agent, 10 parts of negative oxygen ion generating body powder；The solid content of aqueous polyurethane top layer slurry For 50%, viscosity is 5000mPa.s；Finally, aqueous polyurethane top layer slurry is coated in water-soluble polyurethane leather beth Surface, coated weight is 50g/m2, dried under the conditions of 200 DEG C, with the smooth processing of felt wrapped roll, then clipped, inspection and receipts successively Volume technique, obtains aqueous polyurethane furniture synthetic leather.
Example IV：A kind of preparation method of aqueous polyurethane furniture synthetic leather, including step in detail below：First, Aqueous polyurethane synthetic leather slurry is prepared to be prepared by following composition weight：80 parts of aqueous polyurethane, 0.5 part of dispersant, surely 5 parts of infusion, 8 parts of polypropylene powder, 8 parts of talcum powder, 3 parts of alkali swelling type acrylic thickener；By by the conjunction being made of said ratio Finished leather slurry is added in mediation kettle, and dispersant, polypropylene powder and talcum powder are added while being stirred, and at 1200 revs/min Dispersed with stirring more than 30 minutes under conditions of clock, add thickener stirring, obtained slurry；Before coating, by above-mentioned slurry Foam stabilizer is added under agitation, and slurry is foamed using compressed air, expansion rate 0.5m3/ h, 800 revs/min Clock stirring foaming 8 minutes, is made waterborne polyurethane synthetic leather foamed slurry；The base for handling and being plated through ironing roller by base fabric again On cloth, above-mentioned waterborne polyurethane synthetic leather foamed slurry is coated using knife coating, coated weight is 450g/m2, in 140 DEG C of temperature, Baking oven length is 8 meters, and linear speed is drying under conditions of 4m/min, obtains water-soluble polyurethane leather beth；Secondly, by such as the following group Point weight prepares aqueous polyurethane top layer slurry：60 parts of the anti-ion polyurethane resin of emulsion type, adds 15 parts of metal powders, aqueous poly- 1.5 parts of thickener of urethane, 1.5 parts polyether-modified of dimethyl silica alkanes organic silicon hand feeling agent, 10 parts of deionized water, propylene 1 part modified of aqueous levelling agent of acid, 7 parts of negative oxygen ion generating body powder；The solid content of aqueous polyurethane top layer slurry is 25%, viscosity is 2500mPa.s；Finally, aqueous polyurethane top layer slurry is coated in water-soluble polyurethane leather beth table Face, coated weight is 40g/m2, dried under the conditions of 170 DEG C, with the smooth processing of felt wrapped roll, then clipped, inspection and winding successively Technique, obtains aqueous polyurethane furniture synthetic leather.
Embodiment five：A kind of preparation method of aqueous polyurethane furniture synthetic leather, including step in detail below：First, Aqueous polyurethane synthetic leather slurry is prepared to be prepared by following composition weight：90 parts of aqueous polyurethane, 0.8 part of dispersant, surely 7 parts of infusion, 10 parts of polypropylene powder, 6 parts of talcum powder, 2 parts of alkali swelling type acrylic thickener；By by the conjunction being made of said ratio Finished leather slurry is added in mediation kettle, and dispersant, polypropylene powder and talcum powder are added while being stirred, and at 1300 revs/min Dispersed with stirring more than 30 minutes under conditions of clock, add thickener stirring, obtained slurry；Before coating, by above-mentioned slurry Foam stabilizer is added under agitation, and slurry is foamed using compressed air, expansion rate 0.7m3/ h, 900 revs/min Clock stirring foaming 6 minutes, is made waterborne polyurethane synthetic leather foamed slurry；The base for handling and being plated through ironing roller by base fabric again On cloth, above-mentioned waterborne polyurethane synthetic leather foamed slurry is coated using knife coating, coated weight is 500g/m2, in 140 DEG C of temperature, Baking oven length is 10 meters, and linear speed is drying under conditions of 4m/min, obtains water-soluble polyurethane leather beth；Secondly, by as follows Composition weight prepares aqueous polyurethane top layer slurry：70 parts of the anti-ion polyurethane resin of emulsion type, adds 15 parts of bronzes, aqueous poly- 2 parts of thickener of urethane, 2 parts polyether-modified of dimethyl silica alkanes organic silicon hand feeling agent, 20 parts of deionized water, acrylic acid changes 1 part of the aqueous levelling agent of property, 7 parts of negative oxygen ion generating body powder；The solid content of aqueous polyurethane top layer slurry is 30%, Viscosity is 3000mPa.s；Finally, aqueous polyurethane top layer slurry is coated in water-soluble polyurethane leather beth surface, applied The amount of covering is 40g/m2, dried under the conditions of 170 DEG C, with the smooth processing of felt wrapped roll, then clipped, inspection and winding process successively, Obtain aqueous polyurethane furniture synthetic leather.
As a result it is as shown in the table：
From the results, it was seen that this aqueous polyurethane furniture is significantly improved with the overall performance of synthetic leather, reach pre- Phase requires.

Claims (5)

1. a kind of preparation method of aqueous polyurethane furniture synthetic leather, it is characterised in that including step in detail below：
First, the preparation of water-soluble polyurethane leather beth
(1) aqueous polyurethane synthetic leather slurry is prepared to be prepared by following composition weight：70-90 parts of aqueous polyurethane, disperses 0.1-1 parts of agent, 3-10 parts of foam stabilizer, 4-15 parts of polypropylene powder, 4-15 parts of talcum powder, thickener：1-5 parts；
(2) aqueous polyurethane synthetic leather slurry foamed slurry is prepared：Mediation kettle is added by the synthetic leather slurry being made of said ratio In, dispersant, polypropylene powder and talcum powder are added while being stirred, and stirred under conditions of 1000-1500 revs/min It is scattered more than 30 minutes, add thickener stirring, obtained slurry；Before coating, above-mentioned slurry is added under agitation Enter foam stabilizer, and slurry is foamed using compressed air, expansion rate 0.2-0.8m3/ h, 600-1000 revs/min of stirrings Foaming 5-10 minutes, is made waterborne polyurethane synthetic leather foamed slurry；
(3) water-soluble polyurethane leather beth is prepared：In the base fabric for handling and being plated through ironing roller by base fabric, using blade coating Method coats above-mentioned waterborne polyurethane synthetic leather foamed slurry, and coated weight is 300-600g/m2, in 120-150 DEG C of temperature, baking oven is long Spend for 7-10 meters, linear speed is drying under conditions of 3-5m/min, obtains water-soluble polyurethane leather beth；
2nd, the preparation of aqueous polyurethane top layer slurry：
Prepare aqueous polyurethane top layer slurry：30-90 parts of emulsion type anti-ion polyurethane resin, adds 10-20 parts of pigment, aqueous 0.5-3 parts of thickener of polyurethane, 0.5-3 parts of organic silicon hand feeling agent, 4-68 parts of deionized water, 0.5-2 parts of levelling agent, bear oxygen from Sub- 5-10 parts of generating body powder；The solid content of aqueous polyurethane top layer slurry is 10%-50%, and viscosity is 500- 5000mPa.·s；
3rd, the preparation of aqueous polyurethane furniture synthetic leather
Aqueous polyurethane top layer slurry is coated in water-soluble polyurethane leather beth surface, coated weight is 30-50g/m2, Dried under the conditions of 150-200 DEG C, with the smooth processing of felt wrapped roll, then clipped, inspection and winding process successively, obtain aqueous poly- ammonia Ester furniture synthetic leather.
2. the preparation method of a kind of aqueous polyurethane furniture synthetic leather according to claim 1, it is characterised in that described Pigment is aqueous pigment dispersions, metal powder and/or bronze.
3. the preparation method of a kind of aqueous polyurethane furniture synthetic leather according to claim 1, it is characterised in that described Thickener is polyurethane association type and/or alkali swelling type acrylic thickener.
4. the preparation method of a kind of aqueous polyurethane furniture synthetic leather according to claim 1, it is characterised in that described Levelling agent is organic-silicon-modified and/or acrylic acid modified aqueous levelling agent.
5. according to a kind of preparation method of aqueous polyurethane furniture synthetic leather of claim 1 or 2 or 3 or 4, its feature exists In the organic silicon hand feeling agent uses polyether-modified dimethyl silica alkanes organic silicon hand feeling agent.
CN201710133460.5A 2017-03-08 2017-03-08 A kind of aqueous polyurethane furniture synthetic leather Pending CN106948184A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108951186A (en) * 2018-08-16 2018-12-07 陕西科技大学 A kind of manufacturing method of full aqueous ultrafine fiber synthetic leather
CN110041485A (en) * 2019-04-02 2019-07-23 浙江诚迅新材料有限公司 A kind of aqueous acid and alkali-resistance polyurethane resin and its preparation method and application method
CN114351473A (en) * 2022-01-19 2022-04-15 浙江昶丰新材料有限公司 Environment-friendly water-based organic silicon doodling-preventing sofa leather and preparation method thereof
CN114892411A (en) * 2022-06-02 2022-08-12 浙江昶丰新材料有限公司 Negative oxygen ion water-based bio-based sofa leather and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108951186A (en) * 2018-08-16 2018-12-07 陕西科技大学 A kind of manufacturing method of full aqueous ultrafine fiber synthetic leather
CN108951186B (en) * 2018-08-16 2020-09-22 陕西科技大学 Method for manufacturing full-aqueous superfine fiber synthetic leather
CN110041485A (en) * 2019-04-02 2019-07-23 浙江诚迅新材料有限公司 A kind of aqueous acid and alkali-resistance polyurethane resin and its preparation method and application method
CN114351473A (en) * 2022-01-19 2022-04-15 浙江昶丰新材料有限公司 Environment-friendly water-based organic silicon doodling-preventing sofa leather and preparation method thereof
CN114892411A (en) * 2022-06-02 2022-08-12 浙江昶丰新材料有限公司 Negative oxygen ion water-based bio-based sofa leather and preparation method thereof

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