CN106702752A - Raw material of artificial leather and artificial leather - Google Patents
Raw material of artificial leather and artificial leather Download PDFInfo
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- CN106702752A CN106702752A CN201611168044.0A CN201611168044A CN106702752A CN 106702752 A CN106702752 A CN 106702752A CN 201611168044 A CN201611168044 A CN 201611168044A CN 106702752 A CN106702752 A CN 106702752A
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- artificial leather
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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
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0006—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using woven fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0009—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using knitted fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0043—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
- D06N3/005—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 blowing or swelling agent
-
- 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
- D06N3/0056—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
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic 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
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1664—Releasability
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention provides a raw material of artificial leather and the artificial leather. The raw material of the artificial leather is prepared from a foam-layer raw-material composition and a surface-layer raw-material composition, wherein the foam-layer raw-material composition and the surface-layer raw-material composition are both prepared from plasticizers and PVC (Polyvinyl Chloride) resin; counted on the basis that the content of the PVC resin is 100 parts by weight, the preset values of the plasticizers are M parts by weight, the boundary values of the plasticizers are M' parts by weight, and M is not more than M'-10 but is less than M'; the content of the plasticizer in the foam-layer raw-material composition is M' parts by weight; the content of the plasticizer in the surface-layer raw-material composition is 2.5M to 1.5M' parts by weight. According to the raw material of the artificial leather and the artificial leather, the peel strength of a base fabric is improved through ameliorating the formula of the raw material of the artificial leather; in comparison with the prior art, the cost of additional sizing is not increased yet; therefore, the production cost is decreased on the basis that the peel strength of the base fabric is improved.
Description
Technical field
The present invention relates to technical field of artificial leather, in particular to a kind of artificial leather raw material and artificial leather.
Background technology
In process of production, there is bottom peel strength difference and need the phenomenon for producing again in existing artificial leather product,
Production efficiency and manufacturing cost are made a big impact.
In order to improve base fabric peel strength, in industry usual way be base fabric coat a layer of adhesive (be commonly called as " starching ",
Specific such as can be PU slurries or PVC slurries etc.), to increase the degree of adhesion of base fabric and foaming layer, and also have pass through in the prior art
The adhesive formula is improved to improve the report of bottom peel strength.
However, the development of new adhesive formula or the stronger adhesive of purchase bonding force, undoubtedly can equally increase and be produced into
This.Therefore, how to provide a kind of preparation method of the artificial leather of cheap raising base fabric peel strength is that relevant enterprise faces
One big technical problem.
The content of the invention
It is of the prior art artificial to solve it is a primary object of the present invention to provide a kind of artificial leather raw material and artificial leather
Easily there is bottom stripping, and improving cost technical problem high in leather product.
To achieve these goals, according to an aspect of the invention, there is provided a kind of artificial leather raw material, artificial leather original
Material includes foaming layer feedstock composition and face stock composition, is wrapped in foaming layer feedstock composition and face stock composition
Plasticizer and polyvinyl chloride resin are included, is counted by 100 weight portions of polyvinyl chloride resin, the preset value of plasticizer is M weight portions, the boundary of plasticizer
It is M ' weight portions to be worth, M ' -10≤M ＜ M ', and plasticizer is M ' weight portions in foaming layer feedstock composition, in face stock composition
Plasticizer is 2.5M-1.5M ' weight portions.
Further, artificial leather raw material also includes base fabric, and base fabric is any one in looped fabric, flat fabric and non-woven fabrics
Kind, preferably flat fabric is nylon loop.
Further, base fabric is nylon loop, and boundary value is 96 weight portions, the 86 weight portions≤weight portions of preset value ＜ 96, hair
Plasticizer is 96 weight portions in alveolar layer feedstock composition, and the plasticizer loading in face stock composition is 71~96 weight portions.
Further, base fabric is looped fabric, and boundary value is 70 weight portions, the 60 weight portions≤weight portions of preset value ＜ 70, hair
Plasticizer is 70 weight portions in alveolar layer feedstock composition, and the plasticizer loading in face stock composition is 45~70 weight portions.
Further, the plasticizer in foaming layer feedstock composition and face stock composition is each independently selected from adjacent benzene
Diformazan dioctyl phthalate (DOP), DOTP (DOTP), epoxidized soybean oil (ESPO), dibutyl phthalate
(DBP), any one or more in dioctyl sebacate (DOS), diisononyl phthalate (DINP).
Further, foaming agent is also included in foaming layer feedstock composition, foaming agent is selected from azodicarbonamide, azo first
Acid amides potassium formate, hydrazine amino-compound, folded amino-compound, Semicarbazido compound, triazole class compounds, bicarbonate, carbonic acid
Any one in salt, nitrite and hydride, preferably foaming agent are 1~7 weight portion.
Further, foaming stabiliser is also included in foaming layer feedstock composition, foaming stabiliser is selected from acrylic acid stabilization
Any one in agent, calcium-zinc stabilizer and rare-earth stabilizer；It is preferred that foaming stabiliser is 0.5~3 weight portion.
Further, the first heat stabilizer is also included in foaming layer feedstock composition, is also included in face stock composition
Second heat stabilizer, the first heat stabilizer be selected from barium zinc compound stabilizer, calcium-zinc composite stabilizing agent, potassium zinc composite stabilizer and
Any one in organic tin stabilizer, preferably the first heat stabilizer is powder heat stabilizer, more preferably powder barium zinc
Compound stabilizer；Further preferably, the first heat stabilizer is 2~5 weight portions；Second heat stabilizer is selected from barium zinc stable composition
Any one in agent, calcium-zinc composite stabilizing agent, potassium zinc composite stabilizer and organic tin stabilizer, preferably the second heat stabilizer
It is liquid heat stabilizer, more preferably liquid barium zinc compound stabilizer；Further preferably, the second heat stabilizer is 2~5 weight
Part.
To achieve these goals, according to an aspect of the invention, there is provided a kind of artificial leather, the artificial leather is using upper
Any one artificial leather raw material is stated to be prepared from.
According to another aspect of the present invention, there is provided a kind of artificial leather, base fabric, the foaming including being sequentially stacked from the bottom to top
Layer and surface layer, the peel strength of base fabric is 12N~25N.
Apply the technical scheme of the present invention, be improved by the composition of raw materials to artificial leather, by being suitably modified foaming
The ratio of the content of plasticizer in the content and face stock composition of the plasticizer in layer feedstock composition so that foaming layer
Plasticizer loading is relative to be increased, the relative plasticizer loading for increasing so that foaming layer is relatively soft so that relative have more hairs
The tissue of alveolar layer is embedded into the structure of base fabric, so as to improve the peel strength of base fabric.It is of the invention to improve formula and existing skill
Art is compared, and does not increase the cost of extra starching, thus reduces production cost on the basis of base fabric peel strength is improved.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.The present invention is described in detail below in conjunction with embodiment.
For the production of artificial leather product, particular characteristic (including wear-resisting, scratch resistance, folding etc.) is related to special-purpose
Connection.Due to face stock in the prior art and the content all same of plasticizer in foaming layer raw material, thus in this application, will
To meet particular characteristic or purposes and the content of plasticizer is designated as preset value in actually required face stock or foaming layer raw material.
In the application, the content of plasticizer is to refer to that PVC is weight portion corresponding in terms of 100 weight portions.
Due to artificial leather product in the prior art exist base fabric it is easily peelable need to produce again and cause low production efficiency, into
This problem high, in order to improve above-mentioned condition, applicant is improved to existing artificial leather preparation technology.Specific research is such as
Under：
The foaming layer of identical plasticizer loading is different from the bonding force of different types of base fabric.To same kind of bottom
For cloth, when the content of plasticizer in foaming layer gradually increases, between the foaming layer of prepared artificial leather product and base fabric
Peel strength also gradually increase, when plasticizer content increase to a certain extent after, the stripping between foaming layer and base fabric is strong
Degree can meet Eligibility requirements, base fabric peel strength be improved without extra starching such that it is able to be produced into not increasing
The Eligibility requirements of base fabric peel strength are met on the basis of this.Thus, in this application, by between specific base fabric and foaming layer
When peel strength meets Eligibility requirements, and corresponding raw material (in the case of referring to surface layer and foaming layer plasticizer loading identical, each layer
The content of middle plasticizer) in the content of plasticizer be defined as boundary value, but be not meant to continue to increase plasticizer loading herein
When, the specific base fabric is no longer improved with the peel strength of foaming layer.And qualified artificial leather product both needs to meet specific bottom
Cloth peel strength, while also needing to meet product other performance requirements (including wear-resisting, scratch resistance, folding etc.).
However, how to meet the above-mentioned various performances of product on the premise of production cost is not increasedApplicant passes through
The studies above is it has furthermore been found that when the foaming layer raw material and the above-mentioned preset value of face stock needed for purpose artificial leather product are approached
Such base fabric meet base fabric peel strength it is qualified when corresponding foaming layer in plasticizer loading boundary value when, can be by adjusting
The matching relationship of the content of the plasticizer haircuted between alveolar layer and surface layer, the boundary is increased to by the content of plasticizer in foaming layer
Value, and suitably turn down the content of plasticizer in surface layer so that on the premise of production cost is not increased, can both improve this artificial
The base fabric peel strength of product is removed from office, the artificial leather product for meeting market performance requirement can be also efficiently produced.
Found based on the studies above, in a kind of typical implementation method of the application, there is provided a kind of artificial leather raw material, should
Artificial leather raw material includes foaming layer feedstock composition and face stock composition, and foaming layer feedstock composition and face stock are combined
Include plasticizer and polyvinyl chloride resin in thing, counted by 100 weight portions of polyvinyl chloride resin, the preset value of plasticizer is M weight portions, plasticising
The boundary value of agent is M ' weight portions, it is characterised in that M ' -10≤M ﹤ M ', and plasticizer is M ' weight in foaming layer feedstock composition
Part, plasticizer is 2.5M-1.5M ' weight portions in face stock composition.
With in the prior art by the application of adhesive between base fabric and foaming layer, or the binder performance is changed
The improved though for coming in improve base fabric peel strength is different, and the application is improved by the composition of raw materials to artificial leather, passed through
The ratio of the content of plasticizer in the content and face stock composition of the plasticizer being suitably modified in foaming layer feedstock composition,
So that the plasticizer loading of foaming layer is with respect to increasing, with respect to the plasticizer loading for increasing so that foaming layer is relatively soft, so that phase
Tissue to there is more foaming layers is embedded into the structure of base fabric, so as to improve the peel strength of base fabric.On this basis, root
Factually border properties of product need, it is also possible to by further coating a small amount of adhesive, such as PVC slurries between base fabric and foaming layer
Or PU slurries etc. further improve base fabric peel strength.
For also including base fabric in above-mentioned artificial leather raw material, specific species the application to base fabric is simultaneously not particularly limited, only
The cloth species that can be used for preparation PVC artificial leather can be employed as the base fabric of the application.In the application preferred embodiment
In, above-mentioned base fabric is any one in looped fabric, flat fabric and non-woven fabrics, and preferably flat fabric is nylon loop.According to reality
The difference of PVC properties of product, purposes or technique, selects suitable cloth species as base fabric.
And from the foregoing, different types of base fabric can contain with the peel strength of foaming layer with plasticizer in foaming layer raw material
The increase of amount and increase, thus, can improve base fabric peel strength above by the content of plasticizer in increasing foaming layer.Without
Change with the base fabric base fabric peel strength caused to the change of foaming layer plasticizer loading is different.And, each base fabric with
Peel strength between foaming layer is all present no longer to be increased and increased boundary value with plasticizer loading in foaming layer.
By plasticizer loading in the foaming layer needed for the preset value close to corresponding bottom for controlling plasticizer in foaming layer
Boundary value when, the content of foaming layer is adjusted to the boundary value, and be based on equilibrium product other aspect performances consider
The corresponding content for reducing plasticizer in surface layer so that the base fabric peel strength of product is stronger, and without with extra adhesive come
Auxiliary improves base fabric peel strength.
In a kind of preferred embodiment of the application, the base fabric in above-mentioned artificial leather raw material is nylon loop, former with foaming layer
Polyvinyl chloride resin in feed composition and face stock composition is 100 weight portion meters, and the boundary value of plasticizer is 96 weight portions, in advance
If value is 86~96 weight portions, the content of the plasticizer in foaming layer feedstock composition is 96 weight portions, face stock composition
In plasticizer loading be 71~96 weight portions.
When the preset value of the content of plasticizer is close to boundary value in above-mentioned foaming layer, contained by increasing foaming layer plasticizer
Amount so that foaming layer pliability increases, in order that the performance such as product entirety soft abrasion-resistant, scratch resistance meets the requirements, then by reducing
The plasticizer consumption of surface layer is balanced.So in the case where ensureing that base fabric peel strength is qualified, coating slurry is reduced, reduced
Cost.
In the application another kind preferred embodiment, the base fabric in above-mentioned artificial leather raw material is looped fabric, with foaming layer
Polyvinyl chloride resin in feedstock composition and face stock composition is 100 weight portion meters, and boundary value is 70 weight portions, and preset value is
60~70 weight portions, the content of the plasticizer in foaming layer feedstock composition is 70 weight portions, the increasing in face stock composition
Modeling agent content is 45~70 weight portions.
In above preferred embodiment, by using looped fabric as base fabric, and according to properties of product to plasticizer loading
When preset value is close with boundary value, 70 weight portions are risen to by by the content of the plasticizer in foaming layer feedstock composition, and
Plasticizer loading in surface layer composition is accordingly improved to 45~70 weight portions so that product is integrally wear-resisting, scratch resistance not influenceing
Etc. performance while, improve artificial leather product base fabric peel strength.
The plasticizer that the specific species of the plasticizer in above-mentioned artificial leather raw material is commonly used using PVC artificial leather.At this
Apply in a kind of preferred embodiment, the plasticizer in above-mentioned foaming layer feedstock composition and face stock composition is each independent
Ground is selected from dioctyl phthalate (DOP), DOTP (DOTP), epoxidized soybean oil (ESPO), O-phthalic
Any one or more in dibutyl phthalate (DBP), dioctyl sebacate (DOS) and diisononyl phthalate (DINP).
The performance of the artificial leather product prepared by different plasticizer is different, can be reasonable according to product performance demands in actual production
Corresponding plasticizer is selected to be used, and according to the consumption of performance requirement Reasonable adjustment plasticizer.
In the above-mentioned foaming layer feedstock composition of the application, foaming agent is using the material commonly used in existing artificial leather product
Can, in the application and it is not particularly limited.In a kind of preferred embodiment of the application, above-mentioned foaming agent is selected from the formyl of azo two
Amine, azodicarbonamide potassium formate, azodiisobutyronitrile, hydrazine amino-compound, folded amino-compound, Semicarbazido compound, nitrous
Any one in based compound, triazole class compounds, bicarbonate, carbonate, nitrite and hydride.Its consumption according to
Depending on expansion ratio.These foaming agents belong to the foaming agent of heat decomposition type, low cost and disclosure satisfy that different expansion ratios
Demand.It is preferred that foaming agent is 1~7 weight portion.
Also include foaming stabiliser, foaming stabiliser, also known as abscess regulator, effect in above-mentioned foaming layer feedstock composition
It is to make the abscess produced after foaming agent foam evenly.In another preferred embodiment, it is steady that foaming stabiliser is selected from acrylic acid
Determine any one in agent, calcium-zinc stabilizer and rare-earth stabilizer.It is preferred that foaming stabiliser is 0.5~3 weight portion
In above-mentioned artificial leather raw material, because PVC is processed at high temperature, HCl is easily released, form unstable polyene knot
Structure.HCl has catalytic action simultaneously, and PVC can be made further to degrade.In addition, such as aerobic presence, or have iron, aluminium, zinc, tin, copper
Exist with cadmium plasma, can all play catalytic action to PVC degradeds, accelerate its aging, and then various bad phenomenons occur, such as become
Color, deformation, cracking, mechanical strength decline, electrical insulating property decline, embrittlement etc..In order to solve these problems, added in optimization formula
Stabilizer, especially heat stabilizer.The stabilizer of PVC is including heat stabilizer, antioxidant, ultraviolet absorber etc..Formula design
When according to product use requirement selection different cultivars different with processing technology requirement and the stabilizer of quantity.
In a kind of preferred embodiment of the application, also wrapped in above-mentioned foaming layer feedstock composition and face stock composition
Heat stabilizer is included, the first heat stabilizer is also included in foaming layer feedstock composition, the second heat is also included in face stock composition
Stabilizer, the first heat stabilizer is selected from barium zinc compound stabilizer, calcium-zinc composite stabilizing agent, potassium zinc composite stabilizer and organotin
Any one in class stabilizer, preferably the first heat stabilizer is powder heat stabilizer, and more preferably powder barium zinc is compound steady
Determine agent；It is steady that second heat stabilizer is selected from barium zinc compound stabilizer, calcium-zinc composite stabilizing agent, potassium zinc composite stabilizer and organic tin
Determine any one in agent, preferably the second heat stabilizer is liquid heat stabilizer, more preferably liquid barium zinc compound stabilizer.It is purple
Ultraviolet absorbers are selected from any one or more in UV-P, UV-9, UV-531 and UV-326.It is preferred that the first heat stabilizer is 2
~5 weight portions, the second heat stabilizer is 2~5 weight portions.The consumption of heat stabilizer within the above range can in surface layer and foaming layer
The stability of enough effectively maintenance PVC, slows down its rate of ageing.
For the artificial leather with foaming layer, can also include according to actual needs in the feedstock composition of foaming layer
Auxiliary agent, auxiliary agent is selected from esters of acrylic acid and/or stearic acid.Additionally, can also contain according to actual needs, in surface layer appropriate
The analog assistant.
In another typical implementation method of the application, a kind of artificial leather is additionally provided, the artificial leather uses above-mentioned
A kind of artificial leather raw material is prepared from.The artificial leather product being prepared into using above-mentioned raw materials composition is not only in wear-resisting, scratch resistance etc.
Aspect of performance meets market demands, and base fabric peel strength is also improved.
In the application in another typical implementation method, a kind of artificial leather product are additionally provided, included successively from the bottom to top
Base fabric, foaming layer and surface layer, the base fabric peel strength of the artificial leather is 12N~25N.Artificial leather with above-mentioned peel strength is produced
Quality stabilization, is less prone to base fabric peeling.
Further illustrate the beneficial effect of the application below in conjunction with specific embodiments.
Embodiment 1
Customer requirement prepares the artificial leather that a kind of base fabric is nylon loop, in the formula required by its properties of product, is with PVC
100 weight portion meters, the content of plasticizer is 90 weight portions.
Workshop provides following composition of raw materials：
Foaming layer feedstock composition includes：Polyvinyl chloride resin is 100 weight portions, and plasticizer DOP is 96 weight portions, foaming agent idol
The weight portion of nitrogen diformamide 4, the weight portion of the first heat stabilizer 3；
Face stock composition includes：Polyvinyl chloride resin is 100 weight portions, and plasticizer DOP is 81 weight portions, and second is thermally-stabilised
The weight portion of agent 3.
Embodiment 2
Customer requirement prepares the artificial leather that a kind of base fabric is nylon loop, in the formula required by its properties of product, is with PVC
100 weight portion meters, the content of plasticizer is 86 weight portions.
Workshop provides the composition of raw materials of the product according to the raw material type in the raw material proportioning in table 1 and table 2.
Embodiment 3
Customer requirement prepares the artificial leather that a kind of base fabric is nylon loop, in the formula required by its properties of product, is with PVC
100 weight portion meters, the content of plasticizer is 95 weight portions.
Workshop provides the composition of raw materials of the product according to the raw material type in the raw material proportioning in table 1 and table 2.
Embodiment 4~6
Customer requirement prepares the artificial leather that a kind of base fabric is looped fabric, in the formula required by its properties of product, is with PVC
100 weight portion meters, the content of plasticizer is respectively 60 weight portions, 65 weight portions and 68 weight portions.
Workshop provides the artificial leather product of embodiment 4~6 according to the raw material type in the raw material proportioning in table 1 and table 2
Composition of raw materials.
Embodiment 7
Customer requirement prepares the artificial leather that a kind of base fabric is phozy flat fabric, the formula required by its properties of product
In, to be counted by 100 weight portions of PVC, the content of plasticizer is 75 weight portions.
Workshop provides the composition of raw materials of the product according to the raw material type in the raw material proportioning in table 1 and table 2.
Embodiment 8
Customer requirement prepares the artificial leather that a kind of base fabric is canvas, in the formula required by its properties of product, is with PVC
100 weight portion meters, the content of plasticizer is 70 weight portions.
Workshop provides the composition of raw materials of the product according to the raw material type in the raw material proportioning in table 1 and table 2.
Embodiment 9
Customer requirement prepares the artificial leather that a kind of base fabric is non-woven fabrics, in the formula required by its properties of product, is with PVC
100 weight portion meters, the content of plasticizer is 83 weight portions.
Workshop provides the composition of raw materials of the product according to the raw material type in the raw material proportioning in table 1 and table 2.
Comparative example 1
Requirement with client in embodiment 2 is identical, but in the composition of raw materials that is provided of comparative example 1, surface layer and foaming layer are former
The content of plasticizer is identical in material, be specifically shown in Table in 1 with the raw material type in when table 2.
Comparative example 2
Requirement with client in embodiment 4 is identical, but in the composition of raw materials that is provided of comparative example 2, surface layer and foaming layer are former
The content of plasticizer is identical in material, be specifically shown in Table in 1 with the raw material type in when table 2.
Table 1：
Table 2：The raw material type of each embodiment and comparative example
Table 2：
To the formula of above-described embodiment 1~9 and comparative example 1 and 2 according to identical calendering technology, in same expansion ratio
Under be prepared into artificial leather product, to each embodiment gained artificial leather product base fabric peel strength and other performances examined
Survey, testing result is shown in Table 3.
Table 3：Testing result
| Project | Base fabric peel strength/N | Wearability | Scratch resistance |
| Embodiment 1 | 25 | D grades | D grades |
| Embodiment 2 | 20 | D grades | D grades |
| Embodiment 3 | 18 | D grades | D grades |
| Embodiment 4 | 12 | C grades | C grades |
| Embodiment 5 | 13 | C grades | C grades |
| Embodiment 6 | 15 | C grades | C grades |
| Embodiment 7 | 18 | D grades | D grades |
| Embodiment 8 | 16 | C grades | C grades |
| Embodiment 9 | 22 | D grades | D grades |
| Comparative example 1 | 11 | E grades | E grades |
| Comparative example 2 | 7 | E grades | E grades |
Comparative example 3
Requirement with client in embodiment 4 is identical, but in the composition of raw materials that is provided of comparative example 3, surface layer and foaming layer are former
The content all same of the plasticizer in material, be specifically shown in Table in 1 with the raw material type in when table 2.
Additionally, in calendering technology step, in addition to it increased and coated on base fabric the step of PVC is starched, remaining step with
Embodiment 4 is identical with comparative example 2.
The base fabric peel strength of comparative example 3 is shown as 12, but prepare same performance product its increased PVC slurries into
The cost of sheet and increase step improves 6.25% relative to the product cost prepared by embodiment 4, and (portioned product cost is by 8
Unit/rice increases to 8.5 yuan/meter).
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：With existing skill
By the application of adhesive between base fabric and foaming layer in art, or the binder performance is improved improve base fabric peel off
The improved though of intensity is different, and the application is improved by the composition of raw materials to artificial leather, former by being suitably modified foaming layer
The ratio of the content of plasticizer in the content and face stock composition of the plasticizer in feed composition so that the plasticising of foaming layer
Agent content is relative to be increased, with respect to the plasticizer loading for increasing so that foaming layer is relatively soft, so that relative have more foaming layers
Tissue be embedded into the structure of base fabric, so as to improve the peel strength of base fabric.On this basis, according to actual product performance need
Will, it is also possible to which, by further coating a small amount of adhesive between base fabric and foaming layer, such as PVC slurries or PU slurries come further
Improve base fabric peel strength.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of artificial leather raw material, the artificial leather raw material includes foaming layer feedstock composition and face stock composition, described
Include plasticizer and polyvinyl chloride resin in foaming layer feedstock composition and the face stock composition, be 100 weights with polyvinyl chloride resin
Amount part meter, the preset value of the plasticizer is M weight portions, and the boundary value of the plasticizer is M ' weight portions, it is characterised in that
M ' -10≤M ＜ M ', plasticizer is M ' weight portions in the foaming layer feedstock composition, is plasticized in the face stock composition
Agent is 2.5M-1.5M ' weight portions.
2. artificial leather raw material according to claim 1, it is characterised in that the artificial leather raw material also includes base fabric, described
Base fabric is any one in looped fabric, flat fabric and non-woven fabrics, and preferably described flat fabric is nylon loop.
3. artificial leather raw material according to claim 2, it is characterised in that the base fabric is nylon loop, the boundary value is
96 weight portions, the 86 weight portions≤weight portions of preset value ＜ 96, plasticizer is 96 weight portions, institute in the foaming layer feedstock composition
It is 71~96 weight portions to state the plasticizer loading in face stock composition.
4. artificial leather raw material according to claim 3, it is characterised in that the base fabric is looped fabric, the boundary value is
70 weight portions, the 60 weight portions≤weight portions of preset value ＜ 70, plasticizer is 70 weight portions, institute in the foaming layer feedstock composition
It is 45~70 weight portions to state the plasticizer loading in face stock composition.
5. artificial leather raw material according to any one of claim 1 to 4, it is characterised in that the foaming layer material combination
It is pungent that plasticizer in thing and the face stock composition is each independently selected from dioctyl phthalate, terephthalic acid (TPA) two
In ester, epoxidized soybean oil, dibutyl phthalate, dioctyl sebacate, diisononyl phthalate any one or
It is various.
6. artificial leather raw material according to any one of claim 1 to 4, it is characterised in that the foaming layer material combination
Also include foaming agent in thing, the foaming agent is selected from azodicarbonamide, azodicarbonamide potassium formate, hydrazine amino-compound, folded
It is any in amino-compound, Semicarbazido compound, triazole class compounds, bicarbonate, carbonate, nitrite and hydride
One kind, preferably described foaming agent is 1~7 weight portion.
7. artificial leather raw material according to claim 6, it is characterised in that also include hair in the foaming layer feedstock composition
Bubble stabilizer, the foaming stabiliser is selected from any one in acrylic acid stabilizer, calcium-zinc stabilizer and rare-earth stabilizer；
It is preferred that the foaming stabiliser is 0.5~3 weight portion.
8. artificial leather raw material according to any one of claim 1 to 4, it is characterised in that the foaming layer material combination
Also include the first heat stabilizer in thing, the second heat stabilizer also included in the face stock composition,
First heat stabilizer is selected from barium zinc compound stabilizer, calcium-zinc composite stabilizing agent, potassium zinc composite stabilizer and organic
Any one in tin stabilizer, preferably described first heat stabilizer is powder heat stabilizer, more preferably powder barium zinc
Compound stabilizer；Further preferably, first heat stabilizer is 2~5 weight portions；
Second heat stabilizer is selected from barium zinc compound stabilizer, calcium-zinc composite stabilizing agent, potassium zinc composite stabilizer and organotin
Any one in class stabilizer, preferably described second heat stabilizer is liquid heat stabilizer, and more preferably liquid barium zinc is combined
Stabilizer；Further preferably, second heat stabilizer is 2~5 weight portions.
9. a kind of artificial leather, it is characterised in that be prepared from using the artificial leather raw material any one of claim 1 to 8.
10. a kind of artificial leather, including base fabric, foaming layer and the surface layer being sequentially stacked from the bottom to top, it is characterised in that the base fabric
Peel strength be 12N~25N.
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| CN107778713A (en) * | 2017-10-17 | 2018-03-09 | 广东天安新材料股份有限公司 | Polyvinyl chloride compound, polyvinyl chloride film and artificial leather |
| CN107778712A (en) * | 2017-10-17 | 2018-03-09 | 安徽天安新材料有限公司 | The feedstock composition and synthetic leather of synthetic leather foaming layer |
| CN107877769A (en) * | 2017-10-17 | 2018-04-06 | 安徽天安新材料有限公司 | The preparation method of synthetic leather |
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| CN106702752B (en) | 2019-08-09 |
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