CN105951457B - A kind of artificial leather and preparation method thereof - Google Patents
A kind of artificial leather and preparation method thereof Download PDFInfo
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- CN105951457B CN105951457B CN201610326032.XA CN201610326032A CN105951457B CN 105951457 B CN105951457 B CN 105951457B CN 201610326032 A CN201610326032 A CN 201610326032A CN 105951457 B CN105951457 B CN 105951457B
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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
- D06N3/0045—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
- 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
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
-
- 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
- D06N3/007—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
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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
- D06N3/04—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 by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/06—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 by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
-
- 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
- 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
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/045—Vinyl (co)polymers
- D06N2203/048—Polyvinylchloride (co)polymers
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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
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/068—Polyurethanes
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Dispersion Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The present invention relates to a kind of preparation methods of artificial leather, in coating surface layer slurry in release paper, surface layer is formed, then foamed slurry is coated in surface layer, and dry 2-3min under the conditions of 125-145 DEG C, form the foaming layer not being plasticized, in coating binding sizing agent in foaming layer, then binding sizing agent and artificial leather base fabric are bonded, and 2-3min is dried under the conditions of 125-140 DEG C, then the release paper is removed, the artificial leather semi-finished product are obtained.The invention further relates to a kind of artificial leather semi-finished product.Artificial leather semi-finished product of the invention and preparation method thereof are greatly improved the service life of release paper and substantially reduce energy consumption, while reducing the fraction defective of preparation process skin at the bottom of when being abnormal.
Description
Technical field
The present invention relates to artificial leather technology, in particular to a kind of artificial leather and preparation method thereof.
Background technique
The existing release paper product of PU/PVC dry method will carry out production and inhale colored and embossed technology, typically pass through host
Preceding road first produces artificial leather semi-finished product.When producing artificial leather semi-finished product, PVC plastic and foaming require 180 DEG C -200 DEG C
High temperature oven be plasticized foaming, artificial leather semi-finished product are made in base fabric fitting, after post-processing facing, then in artificial leather half
It carries out inhaling colored and embossing procedure on finished product.Above-mentioned technique reaches 180 DEG C -200 DEG C because needing host to dry white temperature, because of release hard copy
Body is a kind of easy loss mold for having service life, and temperature is higher, and the service life of release paper is shorter.Moreover temperature set 180 DEG C with
Required consumption is high when upper, and energy waste is big.PVC artificial leather is typically all Control platform thickness after being foamed by foaming layer, once
Product generates swaging clamp in some painting process will shut down processing extremely, and at this moment the cladding in foaming furnace will be because of temperature mistake
Height cannot run in time and generate blistering and hair collapse, cause scrapping for semi-finished product.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of artificial leather of preparation temperature lower than plasticizing and blowing temperature
Preparation method, it is further provided a kind of artificial leather semi-finished product prepared according to the above method.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of preparation method of artificial leather forms surface layer, then applies foamed slurry in coating surface layer slurry in release paper
It is overlying in surface layer, and dries 2-3min under the conditions of 125-145 DEG C, form the foaming layer not being plasticized, it is viscous in being coated in foaming layer
Slurry is closed, then binding sizing agent and artificial leather base fabric is bonded, and dry 2-3min under the conditions of 125-140 DEG C, is then removed
The release paper obtains the artificial leather semi-finished product.
A kind of artificial leather semi-finished product, including surface layer, foaming layer, adhesive layer and the base fabric set gradually, the foaming layer by
It is not plasticized and unexpanded foamed slurry is prepared.
The beneficial effects of the present invention are:
(1) it in the preparation method of artificial leather of the invention, is plasticized in host baking oven, foamed not in the prior art
Together, preparation temperature of the invention is controlled at 125-145 DEG C, plasticizing of the above-mentioned temperature significantly lower than slurry and blowing temperature, thus,
There is no generation plasticizing and foaming for the foamed slurry and binding sizing agent for the artificial leather semi-finished product that the present invention prepares, but in people
It in the subsequent processing of fabricate-leather semi-finished product, such as inhales in flower or the technique being embossed, it is carried out using the hot conditions of subsequent processing
Plasticizing and foaming；
(2) by preparation temperature control at 125-145 DEG C so that production artificial leather semi-finished product when release paper service life significantly
It improves, oven temperature only has 125-145 DEG C, can substantially reduce energy consumption；
(3) because semi-finished product are operated under low temperature, in preparation process, cladding is also less than foaming when meeting lower some process brake
Temperature, can having time enough to carry out, processing is abnormal, reduces the fraction defective of skin at the bottom of when being abnormal.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, it is explained below in conjunction with embodiment.
In the present invention:
The surface layer slurry can choose all surface layer slurries of the surface layer in the prior art for preparing artificial leather in principle,
Such as polyurethane slurry, and the selection of solvent can be carried out according to actual needs, coloring can be additionally added according to actual needs
Agent, aging agent etc..
The foamed slurry can choose all foaming layers of the foaming layer in the prior art for preparing artificial leather in principle
Slurry, such as polyvinyl chloride pulp.
The binding sizing agent can choose in principle in the prior art prepares all with bond property of artificial leather
Raw material, such as adhesive, such as polyurethane resin, and DMF, MEK or toluene of different deals can be added according to actual needs
The viscosity of polyurethane resin is controlled.
The most critical design of the present invention is: occurring that the preparation process of artificial leather semi-finished product not by the control of temperature
Plasticizing and foaming, but plasticizing and foaming are transferred in the following process of artificial leather semi-finished product and carry out, using artificial leather half at
Artificial leather semi-finished product are plasticized and are sent out by the process conditions (temperature necessarily reaches plasticizing and blowing temperature) of product following process
Bubble, to reduce energy consumption.
The present invention provides a kind of preparation method of artificial leather, in coating surface layer slurry in release paper, forms surface layer, then will
Foamed slurry is coated in surface layer, and 2-3min is dried under the conditions of 125-145 DEG C, the foaming layer not being plasticized is formed, in foaming
Binding sizing agent is coated on layer, is then bonded binding sizing agent and artificial leather base fabric, and dry 2- under the conditions of 125-140 DEG C
Then 3min removes the release paper, obtain the artificial leather semi-finished product.
The present invention also provides a kind of artificial leather semi-finished product, including surface layer, foaming layer, adhesive layer and the base fabric set gradually,
The foaming layer is not by being plasticized and unexpanded foamed slurry is prepared.
As can be seen from the above description, the beneficial effects of the present invention are:
(1) it in the preparation method of artificial leather of the invention, is plasticized in host baking oven, foamed not in the prior art
Together, preparation temperature of the invention is controlled at 125-145 DEG C, plasticizing of the above-mentioned temperature significantly lower than slurry and blowing temperature, thus,
There is no generation plasticizing and foaming for the foamed slurry and binding sizing agent for the artificial leather semi-finished product that the present invention prepares, but in people
It in the subsequent processing of fabricate-leather semi-finished product, such as inhales in flower or the technique being embossed, it is carried out using the hot conditions of subsequent processing
Plasticizing and foaming；
(2) by preparation temperature control at 125-145 DEG C so that production artificial leather semi-finished product when release paper service life significantly
It improves, oven temperature only has 125-145 DEG C, can substantially reduce energy consumption；
(3) because semi-finished product are operated under low temperature, in preparation process, cladding is also less than foaming when meeting lower some process brake
Temperature, can having time enough to carry out, processing is abnormal, reduces the fraction defective of skin at the bottom of when being abnormal.
In the preparation method of artificial leather of the invention:
Further, the formation condition of the surface layer are as follows: 2-3min is dried at a temperature of 100-135 DEG C.
Seen from the above description, it is preferred that surface layer slurry dries 2-3min at a temperature of 100-135 DEG C, forms the face
Layer.
Further, the artificial leather semi-finished product of acquisition are carried out inhaling flower or embossing, alternatively, by the described artificial of acquisition
Leather semi-finished product first carry out facing and carry out inhaling flower or embossing again.
Seen from the above description, subsequent processing further can be carried out to the artificial leather semi-finished product of acquisition, such as facing,
Inhale flower or embossing, above-mentioned facing inhales the technique side that colored or embossed technology can be used facing in the prior art, inhale flower or embossing
Method, facing in the prior art inhale in the process of flower or embossing, and temperature is above the plasticizing and foaming of foamed slurry
Temperature.
Further, the viscosity of the surface layer slurry is 900-1500CPS, and the coating thickness of the surface layer slurry is 10-
15.
Seen from the above description, as a specific embodiment, solvent usage is different, manufactured surface layer slurry viscosity
Also different, the coating thickness of surface layer slurry and the temperature of post-processing are directly proportional, and temperature tolerance is too low, are not easy demoulding, temperature tolerance
Too high forming not easy to be processed, also directly affects the wearability of artificial leather semi-finished product；It can control the viscosity and coating thickness of surface layer,
Required temperature when being suitble to lines sizing when subsequent suction flower/embossing.
Further, the viscosity of the foamed slurry is 2000-3000CPS.
Seen from the above description, the viscosity of foamed slurry can be controlled, consequently facilitating foamed slurry work in low temperature
The progress of skill operation.
Further, the viscosity of the binding sizing agent is 6000-9000CPS, and the foodstuff amount of the binding sizing agent is 90-
130G/Y。
Seen from the above description, the viscosity of binding sizing agent and foodstuff amount can be controlled according to actual needs, it is above-mentioned viscous
The design of degree and foodstuff amount has the advantages that guarantee bond properties and sufficiently controls cost.
Further, the surface layer slurry includes that following raw material is prepared: 95-105 parts of polyurethane resin, molten
100-110 parts of agent, 0.1-0.3 parts of levelling agent, 12-17 parts of aging agent and 1-10 parts of colorant.
Seen from the above description, surface layer slurry can use formula in the prior art, but in foamed slurry, such as polychlorostyrene
To select plasticization temperature degree low on vinyl and the Corvic of easy low-temp foaming.Above-mentioned formula preferably can be used to set
Meter, has the advantages that suitable low temperature preparation.The levelling agent in the prior art that can be used for artificial leather, aging agent may be selected in levelling agent
The aging agent in the prior art that can be used for artificial leather may be selected, using as solving PU material and the resistance to constant temperature and humidity of PVC material
Auxiliary agent, such as the marque of Fujian Bao Lite Science and Technology Co., Ltd. production are the aging agent of SR-02；Colorant may be selected
The colorant in the prior art that can be used for artificial leather.
In artificial leather semi-finished product of the invention:
Further, the preparation temperature of the foaming layer and adhesive layer is respectively 125-145 DEG C.
The embodiment of the present invention one are as follows:
The preparation method of the artificial leather of the present embodiment the following steps are included:
1, the release paper lines used is selected, uniform application viscosity is that 900CPS/25 DEG C of coloring is poly- in release paper front
Urethane mixed slurry (i.e. surface layer slurry), coloured polyurethanes mixture coating thickness be 10, coating weight number, influence color
Depth is gorgeous and surface physical property, coloured polyurethanes mixed slurry is by reason part proportion again are as follows: 95 parts of polyurethane resin；100 parts of solvent；Stream
0.1 part of flat agent；12 parts of aging agent；1 part of colorant.
Solvent usage in coloured polyurethanes mixed slurry is different, and manufactured slurry viscosity is also different.Coating coloring
Coating thickness and post-processing temperature in polyurethane mixed slurry is directly proportional.Coating thickness is directly proportional to wear-resisting physical property.It selects
The required temperature when temperature tolerance and modulus of polyurethane resin will be suitble to lines when subsequent suction flower/embossing to be formed, temperature tolerance is too low,
It is not easy demoulding, heatproof Sheng Taigao forming not easy to be processed.
2, the release paper of coloured polyurethanes mixed slurry is coated with by 100 DEG C of temperature drying 2min, and surface layer is made.
3, it by prepared polyvinyl chloride pulp (i.e. foamed slurry), is coated in above-mentioned surface layer, is dried under the conditions of 125 DEG C
Dry 2min, forms foaming layer.
The Corvic of relatively paste is diluted into stirring using plasticizer, control is formed in the thickener that viscosity is 2000CPS,
Stabilizer, foaming agent filler material, polyvinyl chloride color is added and is stirred well to and fuses completely, forms above-mentioned polyvinyl chloride pulp.
The foaming agent being added in polyvinyl chloride pulp of the present invention is production of low-temperature foaming agent.This foaming agent produces ground in host
When, do not have foaming condition because oven temperature is low.It to avoid the step for without foaming in hot conditions, and has been to dry
The effect of ground (such as PVC material).Substrate material cannot be plasticized that (plasticizings of artificial leather semi-finished product and foaming all go to suction at all
Colored and after-processing technology is processed together).
4, polyurethane resin material can be selected in polyurethane coating medium (i.e. binding sizing agent), and with DMF, MEK of different deals
And/or toluene is adjusted the viscosity of polyurethane coating medium, the viscosity of polyurethane coating medium can be reduced to the dilute of 6000CPS
Material can carry out appropriate adjustment collocation according to cost.
Polyurethane coating medium is spread evenly across in the foaming layer not being plasticized using coating machine simultaneously, polyurethane coating medium
The foodstuff amount system of pressing according to actual needs is in 90G/Y, and selected base fabric.The base fabric posted and release paper are entered into baking oven together
In 125 DEG C of drying 2min, and form adhesive layer.
5, it after drying polyurethane coating medium, is wound after release paper is removed, obtains the artificial leather semi-finished product, and under entrance
Road manufacturing procedure.
6, the artificial leather semi-finished product enter suction flower or embossing procedure.
The artificial leather semi-finished product are placed in suction flower machine or embossing machine, rolls out and enters preheating wheel by guide wheel, then lead to
180 DEG C or so of generation of electrothermal tube heating of temperature for crossing embossing machine heating mantles is warmed and is moulded to the artificial leather semi-finished product
Change, and foam simultaneously, while foaming, the artificial leather semi-finished product are carried out to embossed wheel processing plasticizing cooling forming.Gained
The artificial leather semi-finished product taken in suction and be plasticized and foamed, stabilizer, the foaming agent for the Foamex selected here can
To directly affect the speed and surface effect of embossing procedure, (the i.e. preparation process of artificial leather semi-finished product in the skin process of host bottom
In), the artificial leather semi-finished product are not plasticized and foam, but all go in the heating process inhaled on flower machine or embossing machine, into
And the service life of release paper is improved, save the energy consumption of host process.
The embodiment of the present invention two are as follows:
The preparation method of the artificial leather of the present embodiment the following steps are included:
1, the release paper lines used is selected, uniform application viscosity is that 1500CPS/25 DEG C of coloring is poly- in release paper front
Urethane mixed slurry (i.e. surface layer slurry), coloured polyurethanes mixture coating thickness be 15, coating weight number, influence color
Depth is gorgeous and surface physical property, coloured polyurethanes mixed slurry is by reason part proportion again are as follows: 105 parts of polyurethane resin；110 parts of solvent；
0.3 part of levelling agent；17 parts of aging agent；10 parts of colorant.
Solvent usage in coloured polyurethanes mixed slurry is different, and manufactured slurry viscosity is also different.Coating coloring
Coating thickness and post-processing temperature in polyurethane mixed slurry is directly proportional.Coating thickness is directly proportional to wear-resisting physical property.It selects
The required temperature when temperature tolerance and modulus of polyurethane resin will be suitble to lines when subsequent suction flower/embossing to be formed, temperature tolerance is too low,
It is not easy demoulding, heatproof Sheng Taigao forming not easy to be processed.
2, the release paper of coloured polyurethanes mixed slurry is coated with by 135 DEG C of temperature drying 3min, and surface layer is made.
3, it by prepared polyvinyl chloride pulp (i.e. foamed slurry), is coated in above-mentioned surface layer, is dried under the conditions of 145 DEG C
Dry 3min, forms foaming layer.
The Corvic of relatively paste is diluted into stirring using plasticizer, control is formed in the thickener that viscosity is 3000CPS,
Stabilizer, foaming agent filler material, polyvinyl chloride color is added and is stirred well to and fuses completely, forms above-mentioned polyvinyl chloride pulp.
The foaming agent being added in polyvinyl chloride pulp of the present invention is production of low-temperature foaming agent.This foaming agent produces ground in host
When, do not have foaming condition because oven temperature is low.It to avoid the step for without foaming in hot conditions, and has been to dry
The effect of ground (such as PVC material).Substrate material cannot be plasticized that (plasticizings of artificial leather semi-finished product and foaming all go to suction at all
Colored and after-processing technology is processed together).
4, polyurethane resin material can be selected in polyurethane coating medium (i.e. binding sizing agent), and with DMF, MEK of different deals
And/or toluene is adjusted the viscosity of polyurethane coating medium, the viscosity of polyurethane coating medium can be reduced to the dilute of 9000CPS
Material can carry out appropriate adjustment collocation according to cost.
Polyurethane coating medium is spread evenly across in the foaming layer not being plasticized using coating machine simultaneously, polyurethane coating medium
The foodstuff amount system of pressing according to actual needs is in 130G/Y, and selected base fabric.The base fabric posted and release paper are entered into baking oven together
Furnace forms adhesive layer in 145 DEG C of drying 3min.
5, it after drying polyurethane coating medium, is wound after release paper is removed, obtains the artificial leather semi-finished product, and under entrance
Road manufacturing procedure.
6, the artificial leather semi-finished product enter suction flower or embossing procedure.
The artificial leather semi-finished product are placed in suction flower machine or embossing machine, rolls out and enters preheating wheel by guide wheel, then lead to
180 DEG C or so of generation of electrothermal tube heating of temperature for crossing embossing machine heating mantles is warmed and is moulded to the artificial leather semi-finished product
Change, and foam simultaneously, while foaming, the artificial leather semi-finished product are carried out to embossed wheel processing plasticizing cooling forming.Gained
The artificial leather semi-finished product taken in suction and be plasticized and foamed, stabilizer, the foaming agent for the Foamex selected here can
To directly affect the speed and surface effect of embossing procedure, (the i.e. preparation process of artificial leather semi-finished product in the skin process of host bottom
In), the artificial leather semi-finished product are not plasticized and foam, but all go in the heating process inhaled on flower machine or embossing machine, into
And the service life of release paper is improved, save the energy consumption of host process.
Embodiment three
The preparation method of the artificial leather of the present embodiment the following steps are included:
1, the release paper lines used is selected, uniform application viscosity is that 1200CPS/25 DEG C of coloring is poly- in release paper front
Urethane mixed slurry (i.e. surface layer slurry), coloured polyurethanes mixture coating thickness be 12, coating weight number, influence color
Depth is gorgeous and surface physical property, coloured polyurethanes mixed slurry is by reason part proportion again are as follows: 100 parts of polyurethane resin；105 parts of solvent；
0.2 part of levelling agent；15 parts of aging agent；5 parts of colorant.
Solvent usage in coloured polyurethanes mixed slurry is different, and manufactured slurry viscosity is also different.Coating coloring
Coating thickness and post-processing temperature in polyurethane mixed slurry is directly proportional.Coating thickness is directly proportional to wear-resisting physical property.It selects
The required temperature when temperature tolerance and modulus of polyurethane resin will be suitble to lines when subsequent suction flower/embossing to be formed, temperature tolerance is too low,
It is not easy demoulding, heatproof Sheng Taigao forming not easy to be processed.
2, the release paper of coloured polyurethanes mixed slurry is coated with by 120 DEG C of temperature drying 2.5min, and face is made
Layer.
3, it by prepared polyvinyl chloride pulp (i.e. foamed slurry), is coated in above-mentioned surface layer, is dried under the conditions of 135 DEG C
Dry 2.5min, forms foaming layer.
The Corvic of relatively paste is diluted into stirring using plasticizer, control is formed in the thickener that viscosity is 2500CPS,
Stabilizer, foaming agent filler material, polyvinyl chloride color is added and is stirred well to and fuses completely, forms above-mentioned polyvinyl chloride pulp.
The foaming agent being added in polyvinyl chloride pulp of the present invention is production of low-temperature foaming agent.This foaming agent produces ground in host
When, do not have foaming condition because oven temperature is low.It to avoid the step for without foaming in hot conditions, and has been to dry
The effect of ground (such as PVC material).Substrate material cannot be plasticized that (plasticizings of artificial leather semi-finished product and foaming all go to suction at all
Colored and after-processing technology is processed together).
4, polyurethane resin material can be selected in polyurethane coating medium (i.e. binding sizing agent), and with DMF, MEK of different deals
And/or toluene is adjusted the viscosity of polyurethane coating medium, the viscosity of polyurethane coating medium can be reduced to the dilute of 7000CPS
Material can carry out appropriate adjustment collocation according to cost.
Polyurethane coating medium is spread evenly across in the foaming layer not being plasticized using coating machine simultaneously, polyurethane coating medium
The foodstuff amount system of pressing according to actual needs is in 110G/Y, and selected base fabric.The base fabric posted and release paper are entered into baking oven together
Furnace forms adhesive layer in 135 DEG C of drying 2.5min.
5, it after drying polyurethane coating medium, is wound after release paper is removed, obtains the artificial leather semi-finished product, and under entrance
Road manufacturing procedure.
6, the artificial leather semi-finished product enter suction flower or embossing procedure.
The artificial leather semi-finished product are placed in suction flower machine or embossing machine, rolls out and enters preheating wheel by guide wheel, then lead to
180 DEG C or so of generation of electrothermal tube heating of temperature for crossing embossing machine heating mantles is warmed and is moulded to the artificial leather semi-finished product
Change, and foam simultaneously, while foaming, the artificial leather semi-finished product are carried out to embossed wheel processing plasticizing cooling forming.Gained
The artificial leather semi-finished product taken in suction and be plasticized and foamed, stabilizer, the foaming agent for the Foamex selected here can
To directly affect the speed and surface effect of embossing procedure, (the i.e. preparation process of artificial leather semi-finished product in the skin process of host bottom
In), the artificial leather semi-finished product are not plasticized and foam, but all go in the heating process inhaled on flower machine or embossing machine, into
And the service life of release paper is improved, save the energy consumption of host process.
In conclusion artificial leather semi-finished product provided by the invention and preparation method thereof be greatly improved the service life of release paper and
Energy consumption is substantially reduced, while reducing the fraction defective of preparation process skin at the bottom of when being abnormal.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright description are applied directly or indirectly in relevant technical field, are similarly included in this hair
In bright scope of patent protection.
Claims (5)
1. a kind of preparation method of artificial leather, which is characterized in that in coating surface layer slurry in release paper, form surface layer, then will
Foamed slurry is coated in surface layer, and 2-3min is dried under the conditions of 125-145 DEG C, the foaming layer not being plasticized is formed, in foaming
Binding sizing agent is coated on layer, is then bonded binding sizing agent and artificial leather base fabric, and dry 2- under the conditions of 125-140 DEG C
Then 3min removes the release paper, obtain the artificial leather semi-finished product, and the artificial leather semi-finished product of acquisition are carried out suction flower
Or embossing, the artificial leather semi-finished product are plasticized and are foamed in the heating process for inhaling flower or embossing；
Alternatively, by the artificial leather semi-finished product of acquisition first carry out facing again carry out inhale flower or embossing, inhale flower or embossing plus
The artificial leather semi-finished product are plasticized and are foamed in thermal process；
The viscosity of the surface layer slurry is 900-1500CPS, and the coating thickness of the surface layer slurry is 10-15.
2. the preparation method of artificial leather according to claim 1, which is characterized in that the formation condition of the surface layer are as follows: in
2-3min is dried at a temperature of 100-135 DEG C.
3. the preparation method of artificial leather according to claim 1, which is characterized in that the viscosity of the foamed slurry is
2000-3000CPS。
4. the preparation method of artificial leather according to claim 1, which is characterized in that the viscosity of the binding sizing agent is
6000-9000CPS, the foodstuff amount of the binding sizing agent are 90-130G/Y.
5. the preparation method of artificial leather according to claim 1, which is characterized in that the surface layer slurry includes following weight
Part raw material is prepared: 95-105 parts of polyurethane resin, 100-110 parts of solvent, 0.1-0.3 parts of levelling agent, 12-17 parts of aging agent
With 1-10 parts of colorant.
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| CN109385910A (en) * | 2017-08-08 | 2019-02-26 | 长城汽车股份有限公司 | Have the preparation method and the dulcet artificial leather of tool of dulcet artificial leather |
| CN114083868A (en) * | 2021-12-01 | 2022-02-25 | 合肥冠怡涂层织物有限公司 | Kraft flannelette and production process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587145A (en) * | 2012-01-09 | 2012-07-18 | 浙江禾欣实业集团股份有限公司 | Manufacturing method of oil-wax feel Yangbuck |
| CN102851995A (en) * | 2011-06-27 | 2013-01-02 | 昆山阿基里斯人造皮有限公司 | Method for manufacturing artificial leather with superhard hand feeling |
| CN103015218A (en) * | 2012-12-22 | 2013-04-03 | 河南宝隆实业有限公司 | PVC artificial leather scrape paint and method of preparing PVC artificial leather with scrape paint |
| CN103147312A (en) * | 2013-03-04 | 2013-06-12 | 浙江科一合成革有限公司 | PU (Polyurethane) synthetic leather and preparation method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409552B (en) * | 2011-09-02 | 2014-04-16 | 福建宝利特集团有限公司 | Preparation method of environment-friendly foamed artificial leather |
| CN102409554B (en) * | 2011-09-16 | 2013-06-19 | 东台市富安合成材料有限公司 | Foaming synthetic leather manufacturing technology based on waterborne polyurethane (WPU) |
| CN102433765B (en) * | 2011-11-09 | 2013-07-03 | 四川大学 | Method for manufacturing environment-friendly semi-polyurethane leather |
| CN103643532B (en) * | 2013-11-27 | 2016-01-06 | 福建宝利特科技股份有限公司 | A kind of water-fast wiping artificial leather and preparation method thereof |
| CN104313896A (en) * | 2014-11-12 | 2015-01-28 | 华伦皮塑（苏州）有限公司 | Preparation method of leather-imitating automobile leather |
| CN105568707B (en) * | 2015-12-22 | 2017-10-27 | 福建华夏合成革有限公司 | A kind of wear-resistant artificial leather |
-
2016
- 2016-05-17 CN CN201610326032.XA patent/CN105951457B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851995A (en) * | 2011-06-27 | 2013-01-02 | 昆山阿基里斯人造皮有限公司 | Method for manufacturing artificial leather with superhard hand feeling |
| CN102587145A (en) * | 2012-01-09 | 2012-07-18 | 浙江禾欣实业集团股份有限公司 | Manufacturing method of oil-wax feel Yangbuck |
| CN103015218A (en) * | 2012-12-22 | 2013-04-03 | 河南宝隆实业有限公司 | PVC artificial leather scrape paint and method of preparing PVC artificial leather with scrape paint |
| CN103147312A (en) * | 2013-03-04 | 2013-06-12 | 浙江科一合成革有限公司 | PU (Polyurethane) synthetic leather and preparation method thereof |
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