CN106702752B - Artificial leather raw material and artificial leather - Google Patents
Artificial leather raw material and artificial leather Download PDFInfo
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- CN106702752B CN106702752B CN201611168044.0A CN201611168044A CN106702752B CN 106702752 B CN106702752 B CN 106702752B CN 201611168044 A CN201611168044 A CN 201611168044A CN 106702752 B CN106702752 B CN 106702752B
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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
Abstract
The present invention provides a kind of artificial leather raw material and artificial leathers.The artificial leather raw material includes foaming layer feedstock composition and face stock composition, it include plasticizer and polyvinyl chloride resin in foaming layer feedstock composition and face stock composition, by polyvinyl chloride resin be 100 parts by weight in terms of, the preset value of plasticizer is M parts by weight, the boundary value of plasticizer is M ' parts by weight, M ' -10≤M < M ', plasticizer is M ' parts by weight in foaming layer feedstock composition, and plasticizer is 2.5M-1.5M ' parts by weight in face stock composition.The present invention improves base fabric peel strength by improving the composition of raw materials of artificial leather, compared with prior art, does not increase the cost of additional starching, thus reduces production cost on the basis of improving base fabric peel strength.
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 technique
Existing artificial leather product needs the phenomenon that producing again in process of production, there are bottom peel strength difference,
It makes a big impact to production efficiency and manufacturing cost.
In order to improve base fabric peel strength, in industry usually way be base fabric coat a layer of adhesive (be commonly called as " starching ",
Specifically such as can be PU slurry or PVC slurry etc.), to increase the degree of adhesion of base fabric and foaming layer, and also has pass through in the prior art
The adhesive formula is improved to improve the report of bottom peel strength.
However, development or the purchase stronger adhesive of bonding force of new adhesive formula, undoubtedly equally will increase and are 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.
Summary of the invention
The main purpose of the present invention is to provide a kind of artificial leather raw material and artificial leathers, in the prior art artificial to solve
Easily there is bottom removing, and the technical problem that improving cost is high in leather product.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of artificial leather raw material, the artificial leather are former
Material includes foaming layer feedstock composition and face stock composition, is wrapped in foaming layer feedstock composition and face stock composition
Include plasticizer and polyvinyl chloride resin, be 100 parts by weight by polyvinyl chloride resin in terms of, the preset value of plasticizer is M parts by weight, the boundary of plasticizer
Value is M ' parts by weight, M ' -10≤M < M ', and plasticizer is M ' parts by weight in foaming layer feedstock composition, in face stock composition
Plasticizer is 2.5M-1.5M ' parts by weight.
Further, artificial leather raw material further 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 parts by weight, 86 parts by weight≤96 parts by weight of preset value <, hair
Plasticizer is 96 parts by weight in alveolar layer feedstock composition, and the plasticizer loading in face stock composition is 71~96 parts by weight.
Further, base fabric is looped fabric, and boundary value is 70 parts by weight, 60 parts by weight≤70 parts by weight of preset value <, hair
Plasticizer is 70 parts by weight in alveolar layer feedstock composition, and the plasticizer loading in face stock composition is 45~70 parts by weight.
Further, the plasticizer in foaming layer feedstock composition and face stock composition is each independently selected from adjacent benzene
Diformazan dioctyl phthalate (DOP), dioctyl terephthalate (DOTP), epoxidized soybean oil (ESPO), dibutyl phthalate
(DBP), dioctyl sebacate (DOS), any one or more in diisononyl phthalate (DINP).
It further, further include foaming agent in foaming layer feedstock composition, foaming agent is selected from azodicarbonamide, azo first
Amide 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 parts by weight.
It further, further include foaming stabiliser in foaming layer feedstock composition, foaming stabiliser is stablized selected from acrylic acid
Any one in agent, calcium-zinc stabilizer and rare-earth stabilizer；It is preferred that foaming stabiliser is 0.5~3 parts by weight.
Further, further include the first heat stabilizer in foaming layer feedstock composition, further include 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 are powder heat stabilizer, more preferably powder barium zinc
Compound stabilizer；Further preferably, the first heat stabilizer is 2~5 parts by weight；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
For liquid heat stabilizer, more preferably liquid barium zinc compound stabilizer；Further preferably, the second heat stabilizer is 2~5 weight
Part.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of artificial leather, the artificial leather is using upper
Any artificial leather raw material is stated to be prepared.
According to another aspect of the present invention, provide a kind of artificial leather, including be sequentially stacked from the bottom to top base fabric, foaming
Layer and surface layer, the peel strength of base fabric are 12N~25N.
It applies the technical scheme of the present invention, is 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 plasticizer in layer feedstock composition, so that foaming layer
Plasticizer loading is opposite to be increased, and the opposite plasticizer loading increased makes foaming layer relatively soft, so that opposite have more hairs
The tissue of alveolar layer is embedded into the structure of base fabric, to improve the peel strength of base fabric.Improvement formula of the invention and existing skill
Art is compared, and the cost of additional starching is not increased, thus reduces production cost on the basis of improving base fabric peel strength.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.Below in conjunction with embodiment, the present invention will be described in detail.
For the production of artificial leather product, particular characteristic (including wear-resisting, scratch resistance, folding etc.) is related to special-purpose
Connection.It, will since the content of face stock and plasticizer in foaming layer raw material in the prior art is all the same, thus in this application
To meet particular characteristic or purposes and the content of plasticizer is denoted 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 parts by weight corresponding in terms of 100 parts by weight.
Due to artificial leather product in the prior art there are base fabric it is easily peelable need to produce again and cause production efficiency it is low, at
This high problem, in order to improve above-mentioned condition, applicant improves existing artificial leather preparation technology.Specific research is such as
Under:
The foaming layer of identical plasticizer loading and the bonding force of different types of base fabric are different.To same kind of bottom
For cloth, when the content of plasticizer in foaming layer gradually increases, between the foaming layer and base fabric of prepared artificial leather product
Peel strength also gradually increase, when plasticizer content increase to a certain extent after, the removing between foaming layer and base fabric is strong
Degree is able to satisfy Eligibility requirements, and base fabric peel strength is improved without additional starching, so as to be produced into not increasing
Meet the Eligibility requirements of base fabric peel strength on the basis of this.Thus, it in this application, will be between specific base fabric and foaming layer
When peel strength meets Eligibility requirements, corresponding raw material (refers under surface layer and the identical situation of foaming layer plasticizer loading, each layer
The content of middle plasticizer) in the content of plasticizer be defined as boundary value, but be not meant to continue growing plasticizer loading herein
When, the peel strength of the specific base fabric and foaming layer no longer improves.And qualified artificial leather product both needs to meet specific bottom
Cloth peel strength, while also needing to meet other performance requirements (including wear-resisting, scratch resistance, folding etc.) of product.
However, how to meet the above-mentioned various performances of product under the premise of not increasing production cost? applicant passes through
The studies above is it has furthermore been found that the above-mentioned preset value of the foaming layer raw material needed for purpose artificial leather product and face stock is close
When such base fabric meets the boundary value of plasticizer loading in foaming layer corresponding when base fabric peel strength qualification, tune can be passed through
The content of plasticizer in foaming layer is increased to the boundary by the matching relationship of the content for the plasticizer haircuted between alveolar layer and surface layer
Value, and the content of plasticizer in surface layer is suitably turned down, so that it is artificial that this had both can be improved under the premise of not increasing production cost
The base fabric peel strength for removing from office product, can also efficiently produce the artificial leather product for meeting market performance requirement.
It is found based on the studies above, in a kind of typical embodiment of the application, provides a kind of artificial leather raw material, it should
Artificial leather raw material includes foaming layer feedstock composition and face stock composition, and foaming layer feedstock composition and face stock combine
Include plasticizer and polyvinyl chloride resin in object, be 100 parts by weight by polyvinyl chloride resin in terms of, the preset value of plasticizer is M parts by weight, plasticising
The boundary value of agent is M ' parts by weight, which is characterized in that M ' -10≤M ﹤ M ', plasticizer is M ' weight in foaming layer feedstock composition
Part, plasticizer is 2.5M-1.5M ' parts by weight in face stock composition.
With in the prior art by coating adhesive between base fabric and foaming layer, or the adhesive can be carried out and change
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
It is suitably modified the ratio of the content of plasticizer in the content and face stock composition of the plasticizer in foaming layer feedstock composition,
Increase so that the plasticizer loading of foaming layer is opposite, the opposite plasticizer loading increased makes foaming layer relatively soft, thus phase
The tissue for there are more foaming layers is embedded into the structure of base fabric, to improve the peel strength of base fabric.On this basis, root
Factually border properties of product need, can also be by further coating a small amount of adhesive between base fabric and foaming layer, as PVC is starched
Or PU slurry etc. further increases base fabric peel strength.
For further including base fabric in above-mentioned artificial leather raw material, specific type the application to base fabric is simultaneously not particularly limited, only
The cloth type 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 type as base fabric.
And it can be seen from the above, different types of base fabric and the peel strength of foaming layer can contain with plasticizer in foaming layer raw material
The increase of amount and increase, thus, base fabric peel strength can be improved above by the content of plasticizer in foaming layer is increased.Without
It is different with the variation of the base fabric base fabric peel strength caused to the variation of foaming layer plasticizer loading.Moreover, each base fabric with
Peel strength between foaming layer, which all exists, no longer to be increased and increased boundary value with plasticizer loading in foaming layer.
By the preset value of plasticizer in control foaming layer close to plasticizer loading in foaming layer needed for corresponding bottom
Boundary value when, the content of foaming layer is adjusted to the boundary value, and 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, without with additional adhesive come
Auxiliary improves base fabric peel strength.
In a preferred embodiment of the present application, the base fabric in above-mentioned artificial leather raw material is nylon loop, with foaming layer original
Polyvinyl chloride resin in feed composition and face stock composition is 100 parts by weight meters, and the boundary value of plasticizer is 96 parts by weight, in advance
If value is 86~96 parts by weight, the content of the plasticizer in foaming layer feedstock composition is 96 parts by weight, face stock composition
In plasticizer loading be 71~96 parts by weight.
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 in order to make the performances such as product entirety soft abrasion-resistant, scratch resistance meet the requirements, then passes through reduction so that foaming layer pliability increases
The plasticizer consumption of surface layer balances.In this way in the case where guaranteeing that base fabric peel strength is qualified, reduce coating slurry, reduces
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 parts by weight meters, and boundary value is 70 parts by weight, and preset value is
60~70 parts by weight, the content of the plasticizer in foaming layer feedstock composition are 70 parts by weight, the increasing in face stock composition
Modeling agent content is 45~70 parts by weight.
In above preferred embodiment, by using looped fabric as base fabric, and according to properties of product to plasticizer loading
When preset value and boundary value are close, by the way that the content of the plasticizer in foaming layer feedstock composition is risen to 70 parts by weight, and
Plasticizer loading in surface layer composition is accordingly improved to 45~70 parts by weight, so that product is integrally wear-resisting, scratch resistance not influencing
Etc. performances while, improve the base fabric peel strength of artificial leather product.
The specific type of plasticizer in above-mentioned artificial leather raw material uses the common plasticizer of 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 respectively independent
Ground is selected from dioctyl phthalate (DOP), dioctyl terephthalate (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 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 carry out using and reasonably adjusting according to performance requirement the dosage of plasticizer.
In the above-mentioned foaming layer feedstock composition of the application, foaming agent is using material common in existing artificial leather product
Can, in the application and it is not particularly limited.In a preferred embodiment of the present application, above-mentioned foaming agent is selected from two formyl of azo
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 dosage according to
Depending on expansion ratio.These foaming agents belong to the foaming agent of heat decomposition type, at low cost and can satisfy different expansion ratios
Demand.It is preferred that foaming agent is 1~7 parts by weight.
It further include foaming stabiliser, foaming stabiliser, also known as abscess regulator, effect in above-mentioned foaming layer feedstock composition
Be the abscess that is generated after making foaming agent foam more 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 parts by weight
In above-mentioned artificial leather raw material, since PVC is processed at high temperature, easily releasing HCl forms unstable polyene knot
Structure.HCl has catalytic action simultaneously, 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 degrade to PVC and play catalytic action, accelerates 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, it is added in optimization formula
Stabilizer, especially heat stabilizer.The stabilizer of PVC includes heat stabilizer, antioxidant, ultraviolet absorber etc..Formula design
When according to product requirement and processing technology require it is different select different cultivars and quantity stabilizers.
In a preferred embodiment of the present application, it is also wrapped in above-mentioned foaming layer feedstock composition and face stock composition
Heat stabilizer is included, further includes the first heat stabilizer in foaming layer feedstock composition, further includes the second heat in face stock composition
Stabilizer, the first heat stabilizer are 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 are 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
It is any one or more of that ultraviolet absorbers are selected from UV-P, UV-9, UV-531 and UV-326.It is preferred that the first heat stabilizer is 2
~5 parts by weight, the second heat stabilizer are 2~5 parts by weight.The dosage of heat stabilizer within the above range can in surface layer and foaming layer
The enough stability for effectively maintaining 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 are selected from esters of acrylic acid and/or stearic acid.In addition, can also contain according to actual needs, in surface layer suitable
The analog assistant.
In another typical embodiment of the application, a kind of artificial leather is additionally provided, which uses above-mentioned
A kind of artificial leather raw material is prepared.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 embodiment, a kind of artificial leather product are additionally provided, successively include from the bottom to top
Base fabric, foaming layer and surface layer, the base fabric peel strength of the artificial leather are 12N~25N.Artificial leather with above-mentioned peel strength produces
Quality is stablized, and base fabric peeling is less prone to.
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 formula required by properties of product, is with PVC
100 parts by weight meters, the content of plasticizer are 90 parts by weight.
Workshop provides following composition of raw materials:
Foaming layer feedstock composition includes: that polyvinyl chloride resin is 100 parts by weight, and plasticizer DOP is 96 parts by weight, and foaming agent is even
4 parts by weight of nitrogen diformamide, 3 parts by weight of the first heat stabilizer；
Face stock composition includes: that polyvinyl chloride resin is 100 parts by weight, and plasticizer DOP is 81 parts by weight, the second thermostabilization
3 parts by weight of agent.
Embodiment 2
Customer requirement prepares the artificial leather that a kind of base fabric is nylon loop, in formula required by properties of product, is with PVC
100 parts by weight meters, the content of plasticizer are 86 parts by weight.
Workshop provides the composition of raw materials of the product according to the raw material proportioning in table 1 and the raw material type in table 2.
Embodiment 3
Customer requirement prepares the artificial leather that a kind of base fabric is nylon loop, in formula required by properties of product, is with PVC
100 parts by weight meters, the content of plasticizer are 95 parts by weight.
Workshop provides the composition of raw materials of the product according to the raw material proportioning in table 1 and the raw material type in table 2.
Embodiment 4~6
Customer requirement prepares the artificial leather that a kind of base fabric is looped fabric, in formula required by properties of product, is with PVC
100 parts by weight meters, the content of plasticizer are respectively 60 parts by weight, 65 parts by weight and 68 parts by weight.
Workshop provides the artificial leather product of embodiment 4~6 according to the raw material proportioning in table 1 and the raw material type in table 2
Composition of raw materials.
Embodiment 7
Customer requirement prepares the artificial leather that a kind of base fabric is phozy flat fabric, formula required by properties of product
In, be 100 parts by weight by PVC in terms of, the content of plasticizer is 75 parts by weight.
Workshop provides the composition of raw materials of the product according to the raw material proportioning in table 1 and the raw material type in table 2.
Embodiment 8
Customer requirement prepares the artificial leather that a kind of base fabric is canvas, in formula required by properties of product, is with PVC
100 parts by weight meters, the content of plasticizer are 70 parts by weight.
Workshop provides the composition of raw materials of the product according to the raw material proportioning in table 1 and the raw material type in table 2.
Embodiment 9
Customer requirement prepares the artificial leather that a kind of base fabric is non-woven fabrics, in formula required by properties of product, is with PVC
100 parts by weight meters, the content of plasticizer are 83 parts by weight.
Workshop provides the composition of raw materials of the product according to the raw material proportioning in table 1 and the raw material type in table 2.
Comparative example 1
It is identical as the requirement of client in embodiment 2, but in composition of raw materials provided by comparative example 1, surface layer and foaming layer are former
The content of plasticizer is identical in material, the raw material type matched in when table 2 being specifically shown in Table in 1.
Comparative example 2
It is identical as the requirement of client in embodiment 4, but in composition of raw materials provided by comparative example 2, surface layer and foaming layer are former
The content of plasticizer is identical in material, the raw material type matched in when table 2 being specifically shown in Table in 1.
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, the base fabric peel strength and other performances of artificial leather product obtained by each embodiment are examined
It surveys, 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
It is identical as the requirement of client in embodiment 4, but in composition of raw materials provided by comparative example 3, surface layer and foaming layer are former
The content of plasticizer in material is all the same, the raw material type matched in when table 2 being specifically shown in Table in 1.
In addition, in calendering technology step, in addition to increasing other than the step of coating PVC slurry on base fabric, 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 slurry at
This and increase the cost of step and relative to product cost prepared by embodiment 4 improve 6.25% (portioned product cost is by 8
Member/rice increases to 8.5 yuan/meter).
It can be seen from the above description that the above embodiments of the present invention realized the following chievements: with existing skill
By coating adhesive between base fabric and foaming layer in art, or the binder performance is improved to improve base fabric removing
The improved though of intensity is different, and the application is improved by the composition of raw materials to artificial leather, by being suitably modified foaming layer original
The ratio of the content of plasticizer in the content and face stock composition of plasticizer in feed composition, so that the plasticising of foaming layer
Agent content is opposite to be increased, and the opposite plasticizer loading increased makes foaming layer relatively soft, so that opposite have more foaming layers
Tissue be embedded into the structure of base fabric, to improve the peel strength of base fabric.On this basis, according to actual product performance need
Want, can also by further coating a small amount of adhesive between base fabric and foaming layer, such as PVC slurry or PU slurry come it is further
Improve base fabric peel strength.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (14)
1. a kind of artificial leather raw material, the artificial leather raw material includes foaming layer feedstock composition and face stock composition, described
It include plasticizer and polyvinyl chloride resin in foaming layer feedstock composition and the face stock composition, with polyvinyl chloride resin for 100 weights
Part meter is measured, the preset value of the plasticizer is M parts by weight, and the boundary value of the plasticizer is M ' parts by weight, which is characterized in that
M ' -10≤M < M ', plasticizer is M ' parts by weight in the foaming layer feedstock composition, is plasticized in the face stock composition
Agent is 2.5M-1.5M ' parts by weight, and base fabric is nylon loop, and the boundary value is 96 parts by weight, 86 parts by weight≤96 weight of preset value <
Part is measured, plasticizer is 96 parts by weight in the foaming layer feedstock composition, the plasticizer loading in the face stock composition
For 71~96 parts by weight.
2. artificial leather raw material according to claim 1, which is characterized in that the foaming layer feedstock composition and the surface layer
Plasticizer in feedstock composition is each independently selected from dioctyl phthalate, dioctyl terephthalate, epoxy soybean
Oil, dibutyl phthalate, dioctyl sebacate, any one or more in diisononyl phthalate.
3. artificial leather raw material according to claim 1, which is characterized in that further include hair in the foaming layer feedstock composition
Infusion, the foaming agent are selected from azodicarbonamide, azodicarbonamide potassium formate, hydrazine amino-compound, Semicarbazido compound, three
Any one in azole compounds, bicarbonate, carbonate, nitrite and hydride.
4. artificial leather raw material according to claim 3, which is characterized in that the foaming agent is 1~7 parts by weight.
5. artificial leather raw material according to claim 3, which is characterized in that further include hair in the foaming layer feedstock composition
Bubble stabilizer, any one of the foaming stabiliser in acrylic acid stabilizer, calcium-zinc stabilizer and rare-earth stabilizer.
6. artificial leather raw material according to claim 5, which is characterized in that the foaming stabiliser is 0.5~3 parts by weight.
7. artificial leather raw material according to claim 1, which is characterized in that further include in the foaming layer feedstock composition
One heat stabilizer further includes the second heat stabilizer 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；
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.
8. artificial leather raw material according to claim 7, which is characterized in that first heat stabilizer is powder thermostabilization
Agent.
9. artificial leather raw material according to claim 7, which is characterized in that first heat stabilizer is that powder barium zinc is compound
Stabilizer.
10. artificial leather raw material according to claim 7, which is characterized in that first heat stabilizer is 2~5 parts by weight.
11. artificial leather raw material according to claim 7, which is characterized in that second heat stabilizer is liquid thermostabilization
Agent.
12. artificial leather raw material according to claim 7, which is characterized in that second heat stabilizer is multiple for liquid barium zinc
Close stabilizer.
13. artificial leather raw material according to claim 7, which is characterized in that second heat stabilizer is 2~5 parts by weight.
14. a kind of artificial leather, which is characterized in that using the preparation of artificial leather raw material described in any one of claims 1 to 13
At.
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| 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 |
| 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 |
| 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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| CN101363192B (en) * | 2008-09-26 | 2010-06-09 | 李勇 | Method for producing polyvinyl chloride imitation leather using waste polystyrol foam material |
| CN103469607B (en) * | 2013-08-23 | 2015-08-19 | 福建宝利特集团有限公司 | A kind of dermatine and manufacture method thereof |
| CN104264495A (en) * | 2014-08-29 | 2015-01-07 | 合肥市安山涂层织物有限公司 | Flame-retardant PVC artificial leather and preparation method thereof |
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