CN106751172B - The preparation method of the composition of leather, leather and leather - Google Patents
The preparation method of the composition of leather, leather and leather Download PDFInfo
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- CN106751172B CN106751172B CN201611114551.6A CN201611114551A CN106751172B CN 106751172 B CN106751172 B CN 106751172B CN 201611114551 A CN201611114551 A CN 201611114551A CN 106751172 B CN106751172 B CN 106751172B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/105—Resistant to abrasion, scratch
-
- 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
This application provides the preparation methods of a kind of composition of leather, leather and leather.The composition includes foundation composition and surface layer composition, and it includes the second plasticizer in surface layer composition, by weight, the first plasticizer is 6~30 parts more than the second plasticizer, and the parts by weight of the second plasticizer are less than 85 parts that foundation composition, which includes the first plasticizer,.The leather composition makes the leather to be formed and improves the scratch resistance performance of leather, and leather surface is less prone to and rolls over white phenomenon.
Description
Technical field
This application involves field of leather, in particular to the preparation side of the composition of leather a kind of, leather and leather
Method.
Background technique
The not scratch resistance (it is rotten that this refers to not scratch resistances, different from the scratch-resistant performance on surface) of leather in the prior art, and
And it is easy to appear the white problem of folding, therefore, need a kind of method that raising leather scratch resistance is rotten.
Summary of the invention
The main purpose of the application is to provide the preparation method of a kind of composition of leather, leather and leather, to solve
In the prior art the problem of leather surface not scratch resistance in the prior art.
To achieve the goals above, according to the one aspect of the application, a kind of composition of leather, the composition are provided
Including foundation composition and surface layer composition, above-mentioned foundation composition includes the first plasticizer, includes in above-mentioned surface layer composition
Second plasticizer, by weight, above-mentioned first plasticizer is 6~30 parts more than above-mentioned second plasticizer, and above-mentioned second plasticising
The parts by weight of agent are less than 85 parts.
Further, above-mentioned foundation composition includes 70~90 parts of the first plasticizer, and above-mentioned surface layer composition includes 50
~70 parts of the second plasticizer.
Further, above-mentioned foundation composition further includes 100 parts of the first PVC resin powder, the first of 95~105 parts the filling
Agent and 2~4 parts of foaming agent, above-mentioned surface layer composition further include 100 parts of the second PVC resin powder and the of 1~30 part
Two fillers.
Further, above-mentioned first plasticizer includes DOP plasticizer and ESPO soybean oil, wherein above-mentioned DOP plasticizer
Weight accounts for the 60%~70% of above-mentioned first plasticizer weight, and above-mentioned ESPO soybean oil accounts for the 30% of above-mentioned first plasticizer weight
~40%.
Further, above-mentioned foaming agent is AC foaming agent.
Further, above-mentioned first filler is powdered whiting.
Further, above-mentioned foundation composition further include 1.5~3.5 parts the first barium zinc stabilizer and 0.5~2 part of profit
Lubrication prescription.
Further, above-mentioned surface layer composition further includes 1.5~3.5 parts of the second barium zinc stabilizer, and preferably above-mentioned second
Filler is precipitated calcium carbonate.
According to the another aspect of the application, a kind of production method of leather is provided, which includes: step S1,
Bottom and surface layer are sequentially formed on the surface of base fabric using the composition of above-mentioned leather
Further, after above-mentioned steps S1, above-mentioned production method further include: step S2 sends out above-mentioned bottom
Bubble processing forms foaming layer, and the expansion ratio of above-mentioned foaming processing is between 1.3~2.0.
According to the another aspect of the application, a kind of leather is provided, the above-mentioned production method of the leather is made.
Using the technical solution of the application, the first plasticizer is equal with the parts by weight of the second plasticizer in the prior art
In the case of, reduce surface layer composition in the second plasticizer content so that its fewer than the parts by weight of the first plasticizer 6~30
Part, so that the hardness in surface layer composition increases, the scratch resistance performance of leather is improved, and it is white to make leather surface be less prone to folding
The phenomenon that.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the leather provided according to a kind of embodiment of the application.
Wherein, the above drawings include the following reference numerals:
10, base fabric；20, glue-line；30, foaming layer；40, surface layer；50, layer at table.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, leather not scratch resistance in the prior art, and it is easy to appear the white phenomenon of folding, to understand
Technical problem certainly as above, present applicant proposes the preparation methods of a kind of composition of leather, leather and leather.
In a kind of typical embodiment of the application, a kind of composition of leather is provided, the composition includes bottom
Composition and surface layer composition, above-mentioned foundation composition include the first plasticizer, include the second plasticising in above-mentioned surface layer composition
Agent, by weight, above-mentioned first plasticizer is 6~30 parts more than above-mentioned second plasticizer, and the weight of above-mentioned second plasticizer
Part is less than 85 parts.
Using the technical solution of the application, the parts by weight of the first plasticizer and the second plasticizer are comparable in the prior art
In the case of, reduce surface layer composition in the second plasticizer content so that its fewer than the parts by weight of the first plasticizer 6~30
Part, so that the hardness in surface layer composition increases, the scratch resistance performance of leather is improved, and it is white to make leather surface be less prone to folding
The phenomenon that.
In a kind of embodiment of the application, by weight, above-mentioned foundation composition include: foundation composition include 70~
90 parts of the first plasticizer, surface layer composition include 50~70 parts of the second plasticizer.Second in such surface layer composition
Plasticizer may further ensure that the leather that the leather composition is prepared has preferable scratch resistance performance at 50~70 parts, and
And the content of the first plasticizer in bottom combination may further ensure that the leather being prepared had had at 70~90 parts
Feel.
In order to further ensure can satisfy the leather products of customer demand, in a kind of embodiment of the application, above-mentioned bottom
Layer composition further includes 100 parts of the first PVC resin powder, 95~105 parts of the first filler and 2~4 parts of foaming agent, on
Stating surface layer composition further includes 100 parts of the second PVC resin powder and 1~30 part of the second filler.
In order to further increase the plasticization effect of the first plasticizer and reduce the cost of leather composition simultaneously, the application's
In a kind of embodiment, the first plasticizer includes DOP plasticizer and ESPO soybean oil, wherein the weight of DOP plasticizer accounts for the first increasing
60~70%, the ESPO soybean oil of modeling agent weight accounts for the 30~40% of above-mentioned first plasticizer weight.
Foaming agent in the application is any foaming agent that may be implemented in the prior art, and one of the application is implemented
In example, above-mentioned foaming agent is AC foaming agent.
In order to reduce cost, and guarantee that filler is smaller to the adverse effect of finished product and is conducive to the stabilization of product size
Property.The application preferably above-mentioned first filler is powdered whiting.
In another embodiment of the application, above-mentioned foundation composition further includes 1.5~3.5 parts of the first barium zinc stabilizer
With 0.5~2 part of lubricant, wherein the first barium zinc stabilizer is the dedicated heat stabilizer of foaming layer, can prevent PVC high temperature from rolling
Degradation in the process；Lubricant is acrylate additive, and plasticizing promotor, can increase abscess pore wall strength, reduce PVC
Degradation, can play lubricating action.
In the another embodiment of the application, above-mentioned surface layer composition further includes that 1.5~3.5 parts of the second barium zinc is stablized
Agent.Second barium zinc stabilizer is liquid barium zinc heat stabilizer, and stability is good, and the transparency, lubricity are good, and will not promote to send out
Infusion decomposes.
In order to enable connection and intensity between the second filler and PVC molecule, improve the toughness of leather, above-mentioned second is filled out
Filling agent is precipitated calcium carbonate.The partial size of precipitated calcium carbonate is thinner, and activity function more preferably, is conducive to the connection between PVC molecule
And intensity, improve overall flexibility.
In the typical embodiment of the another kind of the application, a kind of production method of leather, above-mentioned production method are provided
Include: step S1, sequentially forms bottom and face as shown in Figure 1 on the surface of base fabric 10 using the composition of above-mentioned leather
Layer 40.
The leather that the composition of above-mentioned leather is formed has preferable scratch resistance, and is not easy to occur rolling over white phenomenon.
In order to improve the feel of leather, the application is preferably after above-mentioned steps S1, above-mentioned production method further include: step
S2 carries out foaming processing to above-mentioned bottom, forms foaming layer 30 as indicated with 1, and the expansion ratio of above-mentioned foaming processing is 1.3
Between~2.Also, when by expansion ratio control in above-mentioned range, the stripping between foaming layer 30 and surface layer 40 can be improved
From power, and then further improve the scratch resistance performance of leather.And one step of progress ensure that the leather is less likely to occur to roll over white phenomenon.
In order to enhance the peeling force of base fabric and bottom, the application is preferably before above-mentioned steps S1, and above-mentioned production method is also
Include: step S0, glue-line 20 is set in above-mentioned base fabric 10, form structure shown in FIG. 1, above-mentioned glue-line 20 is above-mentioned for bonding
Base fabric 10 and above-mentioned bottom.
In another embodiment of the application, after above-mentioned steps S2, above-mentioned production method further include: in above-mentioned surface layer
Layer 50 at table is set on 40 surface far from above-mentioned foaming layer 30, forms structure shown in FIG. 1.
In the typical embodiment of another of the application, a kind of leather is provided, which uses above-mentioned production side
Method is made.
There is preferable scratch resistance performance using the leather that above-mentioned production method is formed, and do not allow easy to break white.
In order to enable those skilled in the art can clearly understand the technical solution of the application, below with reference to tool
The embodiment and comparative example of body are illustrated the technical solution of the application.
Embodiment 1
Foundation composition includes 90 parts of the first plasticizer, 100 parts of the first PVC resin powder, 105 parts of heavy carbonic acid
Calcium, 4 parts of AC foaming agent.Wherein, the first plasticizer includes 63 parts of DOP plasticizer and 27 parts of ESPO soybean oil.
Surface layer composition includes 70 parts of the second plasticizer, 100 parts of the second PVC resin powder, 30 parts of precipitated calcium carbonate.
Wherein, the second plasticizer includes 65 parts of DOP plasticizer and 5 parts of ESPO soybean oil.
The preparation method of leather specifically:
Bottom is formed using foundation composition in base fabric using calendering technology, surface layer composition is then coated on bottom
Separate base fabric surface on, formed with a thickness of 0.22mm surface layer, the layer for being provided with bottom and surface layer is sent to hair
It foams in bubble furnace, forms the foaming layer with a thickness of 0.25mm, and expansion ratio is 1.5.By base fabric, foaming layer, surface layer shape
At semi-finished product leather be surface-treated, formed table at layer.
Embodiment 2
The difference from embodiment 1 is that foundation composition includes 70 parts of the first plasticizer, 100 parts of the first polyvinyl chloride resin
Powder, 95 parts of powdered whiting, 3 parts of AC foaming agent, 1.5 parts of the first barium zinc stabilizer and 0.5 part of lubricant.Wherein,
First plasticizer includes 49 parts of DOP plasticizer and 21 parts of ESPO soybean oil.
Surface layer composition include 64 parts the second plasticizer, 100 parts of the second PVC resin powder, 2 parts of precipitated calcium carbonate with
3.5 parts of the second barium zinc stabilizer.Wherein, the second plasticizer includes 60 parts of DOP plasticizer and 4 parts of ESPO soybean oil.
Foundation composition is during foaming forms foaming layer, expansion ratio 2.0.
Embodiment 3
The difference from example 2 is that foundation composition includes 80 parts of the first plasticizer, 100 parts of the first polyvinyl chloride resin
Powder, 100 parts of powdered whiting, 2 parts of AC foaming agent, 2 parts of the first barium zinc stabilizer and 1 part of lubricant.Wherein, first
Plasticizer includes 55 parts of DOP plasticizer and 25 parts of ESPO soybean oil.
Surface layer composition include 50 parts the second plasticizer, 100 parts of the second PVC resin powder, 5 parts of precipitated calcium carbonate with
1.5 parts of the second barium zinc stabilizer.Wherein, the second plasticizer includes 45 parts of DOP plasticizer and 5 parts of ESPO soybean oil.
Before bottom is set, glue-line is set on the surface of base fabric, glue-line is arranged between base fabric and bottom.Foaming times
Rate is 1.3.
Embodiment 4
The difference from example 2 is that the first barium zinc stabilizer is 3.5 parts in foundation composition, lubricant is 2 parts, face
In layer composition, the second barium zinc stabilizer is 2 parts.
Embodiment 5
Difference with embodiment 4 is, includes 60 parts of the first plasticizer in foundation composition, increases including 42 parts of DOP
Mould the ESPO soybean oil of agent with 18 parts；Include 30 parts of the second plasticizer in surface layer composition, including 25 parts of DOP plasticizer with
5 parts of ESPO soybean oil.
Embodiment 6
Difference with embodiment 4 is, expansion ratio 3.0.
Comparative example
Difference with embodiment 4 is that the second plasticizer is 70 parts, and the ESPO including 65 parts of DOP plasticizer and 5 parts
Soybean oil.
The leather that various examples and comparative examples are formed, and the scratch resistance on its surface that detects by an unaided eye are scratched using nail
And the white phenomenon of folding, the corresponding feel of surface test of the leather by touching various examples and comparative examples with hand, test knot
Fruit is shown in Table 1.
Table 1
| Scratch resistance | Roll over white phenomenon | Feel | |
| Embodiment 1 | It is excellent | Nothing | Generally |
| Embodiment 2 | It is excellent | Nothing | Generally |
| Embodiment 3 | It is excellent | Nothing | Preferably |
| Embodiment 4 | It is excellent | Nothing | Preferably |
| Embodiment 5 | It is excellent | Nothing | Generally |
| Embodiment 6 | Well | Nothing | Generally |
| Comparative example | It is poor | Have | Generally |
By the data in table it is found that compared with comparative example, each embodiment scratch resistance performance is preferable, and without rolling over white phenomenon,
In embodiment 1 into embodiment 6, the first plasticizer of embodiment 5 only has 60 parts less than 70 parts, and the second plasticizer only has 30
Part, less than 50 parts, so that the content of the plasticizer in entire composition is less, in turn results in its feel and come with respect to other embodiments
Say poor, embodiment 6 is since expansion ratio is larger, so that the feel of manufactured leather and scratch resistance performance are relatively poor.Comparative example
Since the first plasticizer is identical as the parts by weight of the second plasticizer, so that the scratch resistance performance of prepared leather is poor and feel
Generally.
It can be seen from the above description that the application the above embodiments realize following technical effect:
1), the composition of the leather of the application, in the prior art the parts by weight phase of the first plasticizer and the second plasticizer
Deng in the case where, reduce surface layer composition in the second plasticizer content so that its fewer than the parts by weight of the first plasticizer 6~
30 parts, so that the hardness in surface layer composition increases, the scratch resistance performance of leather is improved, and leather surface is made to be less prone to folding
White phenomenon.
2), composition of the production method in the application due to using above-mentioned leather, so that the leather that production is formed
With preferable scratch resistance and it is not easy to occur rolling over white phenomenon.
3), the leather of the application has preferable scratch resistance performance using the leather that above-mentioned production method is formed, and does not allow
It is easy to break white.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (9)
1. a kind of production method of leather, which is characterized in that the production method includes:
Step S1 sequentially forms bottom and surface layer on the surface of base fabric using the composition of leather, wherein the composition packet
Include foundation composition and surface layer composition, which is characterized in that the foundation composition includes the first plasticizer, the combined facing layer
It include the second plasticizer in object, by weight, first plasticizer is and described 6~30 parts more than second plasticizer
The parts by weight of second plasticizer are less than 85 parts；
Step S2 carries out foaming processing to the bottom, forms foaming layer, and the expansion ratio of the foaming processing 1.3~
Between 2.0.
2. manufacturing method according to claim 1, which is characterized in that by weight, the foundation composition includes 70
~90 parts of first plasticizer, the surface layer composition include 50~70 parts of second plasticizer.
3. production method according to claim 2, which is characterized in that the foundation composition further includes the first of 100 parts
PVC resin powder, 95~105 parts of the first filler and 2~4 parts of foaming agent, the surface layer composition further include 100 parts
Second PVC resin powder and 1~30 part of the second filler.
4. production method according to any one of claim 1 to 3, which is characterized in that first plasticizer includes DOP
Plasticizer and ESPO soybean oil, wherein the weight of the DOP plasticizer accounts for the 60%~70% of the first plasticizer weight,
The ESPO soybean oil accounts for the 30%~40% of the first plasticizer weight.
5. production method according to claim 3, which is characterized in that the foaming agent is AC foaming agent.
6. production method according to claim 3, which is characterized in that first filler is powdered whiting.
7. production method according to claim 3, which is characterized in that the foundation composition further includes 1.5~3.5 parts
First barium zinc stabilizer and 0.5~2 part of lubricant.
8. production method according to claim 3, which is characterized in that the surface layer composition further includes 1.5~3.5 parts
Second barium zinc stabilizer, preferably described second filler are precipitated calcium carbonate.
9. a kind of leather, which is characterized in that the leather is made using production method described in claim 1.
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| CN201611114551.6A CN106751172B (en) | 2016-12-06 | 2016-12-06 | The preparation method of the composition of leather, leather and leather |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611114551.6A CN106751172B (en) | 2016-12-06 | 2016-12-06 | The preparation method of the composition of leather, leather and leather |
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| CN106751172B true CN106751172B (en) | 2019-08-23 |
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| IT201900006992A1 (en) * | 2019-05-20 | 2020-11-20 | Vulcaflex Spa | LAMINAR MATERIAL OF THE TYPE OF FAUX LEATHER, LEATHER AND SIMILAR |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103469607A (en) * | 2013-08-23 | 2013-12-25 | 福建宝利特集团有限公司 | Artificial leather and preparation method thereof |
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| US4575471A (en) * | 1983-11-28 | 1986-03-11 | Wong Winston W | Structure of dual-face artificial leather and method of manufacture thereof |
| CN100476069C (en) * | 2007-05-16 | 2009-04-08 | 李勇 | Method for manufacturing leatheroid |
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| CN103469607A (en) * | 2013-08-23 | 2013-12-25 | 福建宝利特集团有限公司 | Artificial leather and preparation method thereof |
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