CN108285634A - TPU expanded materials, preparation method and TPU synthetic leather - Google Patents
TPU expanded materials, preparation method and TPU synthetic leather Download PDFInfo
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- CN108285634A CN108285634A CN201711466373.8A CN201711466373A CN108285634A CN 108285634 A CN108285634 A CN 108285634A CN 201711466373 A CN201711466373 A CN 201711466373A CN 108285634 A CN108285634 A CN 108285634A
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- 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
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- 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
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
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- 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
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
- D06N3/005—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
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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
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/145—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes two or more layers of polyurethanes
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- 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
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- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
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- 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
- C08J2433/00—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
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- Textile Engineering (AREA)
- Emergency Medicine (AREA)
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Abstract
The present invention provides a kind of TPU expanded materials, preparation method and TPU synthetic leather.By weight, the raw material of the TPU expanded materials includes 100 parts of TPU, 0.1~5 part of lubricant, 2~8 parts of foaming agent and 10~30 parts of plasticizing aid.By by lubricant, foaming agent and the plasticizing aid coordinated of TPU and specified weight part, so that the raw mixture can obtain the feel similar with the PVC synthetic leather being equally formulated by foaming, to improve application value of such TPU expanded materials in terms of house ornamentation and automobile-used ornament materials.
Description
Technical field
The present invention relates to fitment material for family fields, are closed in particular to a kind of TPU expanded materials, preparation method and TPU
Finished leather.
Background technology
TPU is thermoplastic polyurethane, there is polyester-type and polyether-type, its hardness range wide (40A-85D), wear-resisting, resistance to
Oil, transparent, elasticity is good, and extensive use is able in daily necessities, sports goods, toy and decoration material field.Halogen-free flameproof TPU is also
Flexible PVC can be replaced to meet more and more environmental requirements.
But TPU synthetic leather is in house ornamentation or automobile-used market currently on the market, since its feel is harder, at present be difficult obtain with
The TPU synthetic leather of the same feels of PVC.
Invention content
The main purpose of the present invention is to provide a kind of TPU expanded materials, preparation method and TPU synthetic leather, to solve
The harder problem of TPU synthetic leather feel in the prior art.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of TPU expanded materials, by weight
Meter, the raw material of the TPU expanded materials include：100 parts of TPU, 0.1~5 part of lubricant, 2~8 parts of foaming agent and 10~
30 parts of plasticizing aid.
Further, by weight, the raw material of TPU expanded materials includes：100 parts of TPU, 0.2~2 part of lubrication
Agent, 2~6 parts of foaming agent and 10~25 parts of plasticizing aid；Preferably, the hardness of TPU is 60A~45D.
Further, lubricant is metal soap lubricant；More preferable lubricant is cadmium stearate.
Further, foaming agent is AC foaming agents.
Further, plasticizing aid ACR.
Further, by weight, the raw material of TPU expanded materials further includes 1~5 part of foamed promoter, is preferably wrapped
Include 1~2 part of foamed promoter.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of preparation side of TPU expanded materials
Method, the preparation method include：The raw material of any of the above-described kind of expanded material is obtained into TPU membrane precursor through calendering formation；And to TPU
Film precursor foams at 130~230 DEG C, obtains TPU expanded materials.Further, by TPU membrane precursor be placed in foaming furnace into
Row foaming, and four sections of temperature controls of foaming furnace point, wherein according to the foaming sequence of TPU membrane precursor, the temperature section passed through successively is
135 ± 10 DEG C, 200 ± 10 DEG C, 220 ± 10 DEG C and 180 ± 10 DEG C, total foamed time is 1~2min, obtains TPU foaming materials
Material.
According to an aspect of the invention, there is provided a kind of TPU synthetic leather, which includes the base being sequentially stacked
Cloth, TPU foaming layers and the faces TPU layer, TPU foaming layers are made of any of the above-described kind of expanded material.
Further, by weight, the raw material of the faces TPU layer includes：100 parts of TPU, 0.1~5 part of lubricant and
5~20 parts of plasticizing aid；Preferably, by weight, the raw material of the faces TPU layer includes：100 parts of TPU, 0.3~2 part of profit
Lubrication prescription and 6~18 parts of plasticizing aid；It is highly preferred that lubricant is metal soap lubricant；Plasticizing aid is ACR；It is preferred that
The hardness on ground, TPU is 60A~45D.
It applies the technical scheme of the present invention, by by lubricant, foaming agent and the plasticizing aid of TPU and specified weight part
Coordinated so that the raw mixture can obtain the feel similar with the PVC synthetic leather being equally formulated by foaming, from
And improve application value of such TPU expanded materials in terms of house ornamentation and automobile-used ornament materials.
Specific implementation mode
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.
As background technology is previously mentioned, TPU tensile properties are excellent, wearability is good, but pure TPU is harder compared with PVC feels, answering
When for house ornamentation or automobile-used synthetic leather, the partially hard defect of generally existing feel.In order to improve this defect, in a kind of allusion quotation of the application
In the embodiment of type, a kind of TPU expanded materials are provided, the raw material of the TPU expanded materials, by weight, including：100
The TPU of part, 0.1~5 part of lubricant, 2~8 parts of foaming agent and 10~30 parts of plasticizing aid.
In the above-mentioned TPU expanded materials of the application, by by lubricant, foaming agent and the modeling of TPU and specified weight part
Change auxiliary agent coordinated so that the raw mixture can obtain similar with the PVC synthetic leather being equally formulated by foaming
Feel, to improve application value of such TPU expanded materials in terms of house ornamentation and automobile-used ornament materials.
In above-mentioned TPU expanded materials, by the control of lubricant, foaming agent and plasticizing aid within the scope of above-mentioned parts by weight, energy
Enough collaborations improve the foam performance of TPU, keep its feel relatively soft, improve and apply valence in terms of house ornamentation and automobile-used synthetic leather
Value.In order to advanced optimize the effect of the coordinated between above-mentioned raw materials, in a kind of preferred embodiment of the application, TPU hairs
The raw material of foam material, by weight, including：100 parts of TPU, 0.2~3 part of lubricant, 2~6 parts of foaming agent and 15
~25 parts of plasticizing aid；Preferably, the hardness of TPU is 60A~45D, more preferably 60A~75A.
In above-mentioned preferred embodiment, the dosage of lubricant, foaming agent and plasticizing aid is controlled in above-mentioned more preferably model
In enclosing, the synergistic effect between three can be further increased, and then improve the foam performance of TPU.In a kind of preferred reality
It applies in example, the raw material of above-mentioned TPU expanded materials, by weight, includes 100 parts of TPU, 0.4~1 part of lubricant, 2.5~
4.5 parts of foaming agent and 15~25 parts of plasticizing aid.The feel of TPU expanded materials in the optimum embodiment is best.
Due to the TPU material performances difference of separate sources, after the TPU foaming in order to further increase separate sources all
Preferably feel carries out the various aspects of performance of the TPU in each source preferably in actual production process relatively for energy acquisition
Detection.The application has found by experiment many times, when the hardness of TPU is 60A~45D, more preferably 60A~75A, is sent out
The feel for steeping obtained TPU expanded materials is relatively soft, and stablizes relatively.
In above-mentioned TPU expanded materials, the effect of lubricant is played in process in addition to can be compatible well with TPU
Outside the effect of interior lubrication, stabilization can also be played to TPU, prevent the TPU in plasticizing or foaming process from decomposing.In the application
In a kind of preferred embodiment, lubricant is metal soap lubricant.Such lubricant has the function of lubrication.For certain gold
Belong to it is saponified, in conjunction with fatty acid carbon chain it is longer, lubricity is better.There are commonly calcium stearate, zinc stearate, tristearin
Lead plumbate etc..More preferable lubricant is cadmium stearate in the application.Metal soap lubricant is applied in TPU expanded materials, no
Only play the role of lubricating action, equally play stable TPU, moreover, its between plasticizing aid by synergistic effect, improve
The intensity of TPU melts has expanded the temperature range of TPU processing, so that TPU foam performances are easier to.
In above-mentioned TPU expanded materials, foaming agent uses the common foaming agent of existing PVC foam.In the application one kind
In preferred embodiment, foaming agent is AC foaming agents.
In above-mentioned TPU expanded materials, the main function of plasticizing aid is enhancing melt strength, can additionally play contracting
Short fusion time expands the effect of processing Applicable temperature range, thus any plasticizing aid with the above function is suitable for
The application.In a kind of preferred embodiment of the application, plasticizing aid ACR.
It is excellent in the application one kind in order to further promote the foam performance of foaming agent on the basis of above-mentioned expanded material
In the embodiment of choosing, the raw material of TPU expanded materials further includes 1~5 part of foamed promoter, preferably includes 1~2 by weight
Part foamed promoter.The preferably foamed promoter of AC foaming agents, such as zinc stearate can reduce foaming as blowing promotor
The decomposition temperature of agent.
In another typical embodiment of the application, a kind of preparation method of TPU expanded materials, the preparation are provided
Method includes：The raw material of any of the above-described kind of expanded material is obtained into TPU membrane precursor through calendering formation；And exist to TPU membrane precursor
130~230 DEG C are foamed, and TPU expanded materials are obtained.It is carried out through above-mentioned blowing temperature by using the above-mentioned raw materials of the application
The comparable feels of PVC that the obtained TPU expanded materials of foaming have feel and are equally formulated.
Above-mentioned expanded material can rationally be adjusted in above-mentioned foaming temperature range.In a kind of preferred reality of the application
It applies in example, TPU membrane precursor is placed in foaming furnace and is foamed, and four sections of temperature controls of foaming furnace point, wherein according to TPU membrane
The foaming sequence of precursor, the temperature section passed through successively are 135 ± 10 DEG C, 200 ± 10 DEG C, 220 ± 10 DEG C and 180 ± 10 DEG C,
Foam 1~2min, obtains TPU expanded materials.
In above preferred embodiment, in the range of the blowing temperature of second temperature section is controlled 200 ± 10 DEG C, foaming gained
Abscess is fine and closely woven, uniform, soft.
In the typical embodiment of the application third, provide a kind of TPU synthetic leather, the TPU synthetic leather include according to
Base fabric, TPU foaming layers and the faces TPU layer of secondary setting, TPU foaming layers are made of any of the above-described kind of expanded material.Using this
TPU synthetic leather prepared by the above-mentioned TPU foaming layers of application, soft, the PVC synthesis that actual application value is more equally formulated
The application value higher of leather.
In above-mentioned TPU synthetic leather, the specific raw material of the faces TPU layer is unlimited.In a kind of preferred embodiment of the application, TPU
The raw material of face layer, by weight, including：100 parts of TPU, 0.1~5 part of lubricant and 5~20 parts of plasticizing aid；
Preferably, the raw material of the faces TPU layer, by weight, including：100 parts of TPU, 0.3~2 part of lubricant and 6~18 parts
Plasticizing aid；It is highly preferred that lubricant is metal soap lubricant, further preferred lubricant is cadmium stearate；Plasticizing aid
For ACR.Preferably, the hardness of TPU is 60A~45D, more preferably 60A~75A.The effect of above-mentioned raw materials with it is aforementioned mentioned
Effect it is identical, details are not described herein again.Using the prepared faces the TPU layer of above-mentioned content proportioning have superior tensile property and
Wear-resisting property.
The advantageous effect of the application is further illustrated below in conjunction with specific embodiments.It should be noted that following reality
It is commercial product to apply raw materials used in example.
Embodiment 1
The raw material of TPU foaming layers, by weight, including：100 parts of TPU, 0.1 part of lubricant, 2 parts of foaming agent
And 10 parts of plasticizing aid.
The raw material of the faces TPU layer, by weight, including：100 parts of TPU, 0.1 part of lubricant and 5 parts of plasticizing help
Agent.
Wherein, the hardness of TPU is 60A；Lubricant is cadmium stearate；Foaming agent is AC foaming agents；Plasticizing aid is ACR.
By the raw material of above-mentioned foaming layer, calendering formation obtains TPU foam films precursors at 110 DEG C；By the raw material of above-mentioned face layer
Calendering formation obtains the faces TPU layer at 120 DEG C.
Above-mentioned TPU foam films precursor, then the faces the setting TPU layer on above-mentioned TPU foaming precursors are set on looped fabric, obtained
TPU synthetic leather precursors；
Above-mentioned TPU synthetic leather precursor is placed in foaming furnace and is foamed, wherein foaming furnace is that four sections of temperature control, according to
The foaming sequence of the TPU membrane precursor, the temperature section passed through successively are 125 DEG C, 190 DEG C, 210 DEG C and 170 DEG C, foaming
2min obtains TPU synthetic leather.
Embodiment 2
The raw material of TPU foaming layers, by weight, including：100 parts of TPU, 5 parts of lubricant, 8 parts of foaming agent with
And 30 parts of plasticizing aid.
The raw material of the faces TPU layer, by weight, including：100 parts of TPU, 5 parts of lubricant and 20 parts of plasticizing help
Agent.
Wherein, the hardness of TPU is 45D；Lubricant is cadmium stearate；Foaming agent is AC foaming agents；Plasticizing aid is ACR.
By the raw material of above-mentioned foaming layer, calendering formation obtains TPU foam films precursors at 135 DEG C；By the raw material of above-mentioned face layer
Calendering formation obtains the faces TPU layer at 118 DEG C.
Above-mentioned TPU foam films precursor, then the faces the setting TPU layer on above-mentioned TPU foaming precursors are set on looped fabric, obtained
TPU synthetic leather precursors；
Above-mentioned TPU synthetic leather precursor is placed in foaming furnace and is foamed, wherein foaming furnace is that four sections of temperature control, according to
The foaming sequence of the TPU membrane precursor, the temperature section passed through successively are 145 DEG C, 210 DEG C, 230 DEG C and 180 DEG C, foaming
1min obtains TPU synthetic leather.
Embodiment 3
The raw material of TPU foaming layers, by weight, including：100 parts of TPU, 3 parts of lubricant, 6 parts of foaming agent with
And 25 parts of plasticizing aid；
The raw material of the faces TPU layer, by weight, including：100 parts of TPU, 2 parts of lubricant and 18 parts of plasticizing help
Agent；
Wherein, the hardness of TPU is 65A；Lubricant is cadmium stearate；Foaming agent is AC foaming agents；Plasticizing aid is ACR.
By the raw material of above-mentioned foaming layer, calendering formation obtains TPU foam films precursors at 115 DEG C；By the raw material of above-mentioned face layer
At 122 DEG C calendering formation obtain the faces TPU layer.
Above-mentioned TPU foam films precursor, then the faces the setting TPU layer on above-mentioned TPU foaming precursors are set on looped fabric, obtained
TPU synthetic leather precursors；
TPU synthetic leather precursors are placed in foaming furnace and are foamed, wherein foaming furnace is that four sections of temperature control, according to described
The foaming sequence of TPU membrane precursor, the temperature section passed through successively are 135 DEG C, 200 DEG C, 220 DEG C and 180 DEG C, and foam 1.5min,
Obtain TPU synthetic leather.
Embodiment 4
The raw material of TPU foaming layers, by weight, including：100 parts of TPU, 0.2 part of lubricant, 2 parts of foaming agent
And 15 parts of plasticizing aid；
The raw material of the faces TPU layer, by weight, including：100 parts of TPU, 0.3 part of lubricant and 6 parts of plasticizing help
Agent；
Wherein, the hardness of TPU is 75A；Lubricant is cadmium stearate；Foaming agent is AC foaming agents；Plasticizing aid is ACR.
By the raw material of above-mentioned foaming layer, calendering formation obtains TPU foam films precursors at 118 DEG C；By the raw material of above-mentioned face layer
At 125 DEG C calendering formation obtain the faces TPU layer.
Above-mentioned TPU foam films precursor, then the faces the setting TPU layer on above-mentioned TPU foaming precursors are set on looped fabric, obtained
TPU synthetic leather precursors；
TPU synthetic leather precursors are placed in foaming furnace and are foamed, wherein foaming furnace is that four sections of temperature control, according to described
The foaming sequence of TPU membrane precursor, the temperature section passed through successively are 135 DEG C, 200 DEG C, 220 DEG C and 180 DEG C, and foam 2min, obtains
To TPU synthetic leather.
Embodiment 5
The raw material of TPU foaming layers, by weight, including：100 parts of TPU, 0.2 part of lubricant, 2 parts of foaming agent,
1 part of foamed promoter zinc stearate and 15 parts of plasticizing aid；
The raw material of the faces TPU layer, by weight, including：100 parts of TPU, 0.3 part of lubricant and 6 parts of plasticizing help
Agent；
Wherein, the hardness of TPU is 75A；Lubricant is cadmium stearate；Foaming agent is AC foaming agents；Plasticizing aid is ACR.
By the raw material of above-mentioned foaming layer, calendering formation obtains TPU foam films precursors at 118 DEG C；By the raw material of above-mentioned face layer
At 120 DEG C calendering formation obtain the faces TPU layer.
Above-mentioned TPU foam films precursor, then the faces the setting TPU layer on above-mentioned TPU foaming precursors are set on looped fabric, obtained
TPU synthetic leather precursors；
TPU synthetic leather precursors are placed in foaming furnace and are foamed, wherein foaming furnace is that four sections of temperature control, according to described
The foaming sequence of TPU membrane precursor, the temperature section passed through successively are 135 DEG C, 200 DEG C, 220 DEG C and 180 DEG C, and foam 2min, obtains
To TPU synthetic leather.
Embodiment 6
The raw material of TPU foaming layers, by weight, including：100 parts of TPU, 0.2 part of lubricant, 2 parts of foaming agent,
5 parts of foamed promoter zinc stearates and 15 parts of plasticizing aid；
The raw material of the faces TPU layer, by weight, including：100 parts of TPU, 0.3 part of lubricant and 6 parts of plasticizing help
Agent；
Wherein, the hardness of TPU is 75A；Lubricant is cadmium stearate；Foaming agent is AC foaming agents；Plasticizing aid is ACR.
By the raw material of above-mentioned foaming layer, calendering formation obtains TPU foam films precursors at 118 DEG C；By the raw material of above-mentioned face layer
At 120 DEG C calendering formation obtain the faces TPU layer.
Above-mentioned TPU foam films precursor, then the faces the setting TPU layer on above-mentioned TPU foaming precursors are set on looped fabric, obtained
TPU synthetic leather precursors；
TPU synthetic leather precursors are placed in foaming furnace and are foamed, wherein foaming furnace is that four sections of temperature control, according to described
The foaming sequence of TPU membrane precursor, the temperature section passed through successively are 135 DEG C, 200 DEG C, 220 DEG C and 180 DEG C, and foam 2min, obtains
To TPU synthetic leather.
Embodiment 7
The raw material of TPU foaming layers, by weight, including：100 parts of TPU, 5 parts of lubricant, 8 parts of foaming agent with
And 30 parts of plasticizing aid.
The raw material of the faces TPU layer, by weight, including：100 parts of TPU, 5 parts of lubricant and 20 parts of plasticizing help
Agent.
Wherein, the hardness of TPU is 45D；Lubricant is cadmium stearate；Foaming agent is AC foaming agents；Plasticizing aid is ACR.
By the raw material of above-mentioned foaming layer, calendering formation obtains TPU foam films precursors at 135 DEG C；By the raw material of above-mentioned face layer
At 118 DEG C calendering formation obtain the faces TPU layer.
Above-mentioned TPU foam films precursor, then the faces the setting TPU layer on above-mentioned TPU foaming precursors are set on looped fabric, obtained
TPU synthetic leather precursors；
TPU synthetic leather precursors are placed in foaming furnace and are foamed, wherein foaming furnace is that four sections of temperature control, according to described
The foaming sequence of TPU membrane precursor, the temperature section passed through successively are 150 DEG C, 230 DEG C, 230 DEG C and 190 DEG C, and foam 1min, obtains
To TPU synthetic leather.
Embodiment 8
The raw material of TPU foaming layers, by weight, including：100 parts of TPU, 5 parts of lubricant, 8 parts of foaming agent with
And 30 parts of plasticizing aid.
The raw material of the faces TPU layer, by weight, including：100 parts of TPU, 5 parts of lubricant and 20 parts of plasticizing help
Agent.
Wherein, the hardness of TPU is 55A；Lubricant is lead stearate；Foaming agent is AC foaming agents；Plasticizing aid is ACR.
By the raw material of above-mentioned foaming layer, calendering formation obtains TPU foam films precursors at 110 DEG C；By the raw material of above-mentioned face layer
At 120 DEG C calendering formation obtain the faces TPU layer.
Above-mentioned TPU foam films precursor, then the faces the setting TPU layer on above-mentioned TPU foaming precursors are set on looped fabric, obtained
TPU synthetic leather precursors；
TPU synthetic leather precursors are placed in foaming furnace and are foamed, wherein foaming furnace is that four sections of temperature control, according to described
The foaming sequence of TPU membrane precursor, the temperature section passed through successively are 150 DEG C, 230 DEG C, 230 DEG C and 190 DEG C, and foam 1min, obtains
To TPU synthetic leather.
Comparative example 1
The raw material of TPU foaming layers, by weight, including：100 parts of TPU, 0 part of lubricant, 2 parts of foaming agent with
And 10 parts of plasticizing aid.
The raw material of the faces TPU layer, by weight, including：100 parts of TPU, 0.1 part of lubricant and 5 parts of plasticizing help
Agent.
Wherein, the hardness of TPU is 60A；Foaming agent is AC foaming agents；Plasticizing aid is ACR.
By the raw material of above-mentioned foaming layer, calendering formation obtains TPU foam films precursors at 110 DEG C；By the raw material of above-mentioned face layer
Calendering formation obtains the faces TPU layer at 120 DEG C.
Above-mentioned TPU foam films precursor, then the faces the setting TPU layer on above-mentioned TPU foaming precursors are set on looped fabric, obtained
TPU synthetic leather precursors；
TPU synthetic leather precursors are placed in foaming furnace and are foamed, wherein foaming furnace is that four sections of temperature control, according to described
The foaming sequence of TPU membrane precursor, the temperature section passed through successively are 125 DEG C, 190 DEG C, 210 DEG C and 170 DEG C, and foam 2min, obtains
To TPU synthetic leather.
Comparative example 2
The raw material of TPU foaming layers, by weight, including：100 parts of TPU, 0.1 part of lubricant, 1 part of foaming agent
And 10 parts of plasticizing aid.
The raw material of the faces TPU layer, by weight, including：100 parts of TPU, 0.1 part of lubricant and 5 parts of plasticizing help
Agent.
Wherein, the hardness of TPU is 60A；Lubricant is cadmium stearate；Foaming agent is AC foaming agents；Plasticizing aid is ACR.
By the raw material of above-mentioned foaming layer, calendering formation obtains TPU foam films precursors at 110 DEG C；By the raw material of above-mentioned face layer
Calendering formation obtains the faces TPU layer at 120 DEG C.
Above-mentioned TPU foam films precursor, then the faces the setting TPU layer on above-mentioned TPU foaming precursors are set on looped fabric, obtained
TPU synthetic leather precursors；
TPU synthetic leather precursors are placed in foaming furnace and are foamed, wherein foaming furnace is that four sections of temperature control, according to described
The foaming sequence of TPU membrane precursor, the temperature section passed through successively are 125 DEG C, 190 DEG C, 210 DEG C and 170 DEG C, and foam 2min, obtains
To TPU synthetic leather.
Comparative example 3
The raw material of TPU foaming layers, by weight, including：100 parts of TPU, 0.1 part of lubricant, 2 parts of foaming agent
And 32 parts of plasticizing aid.
The raw material of the faces TPU layer, by weight, including：100 parts of TPU, 0.1 part of lubricant and 5 parts of plasticizing help
Agent.
Wherein, the hardness of TPU is 60A；Lubricant is cadmium stearate；Foaming agent is AC foaming agents；Plasticizing aid is ACR.
By the raw material of above-mentioned foaming layer, calendering formation obtains TPU foaming layer precursors at 110 DEG C；By the raw material of above-mentioned face layer
Calendering formation obtains the faces TPU layer at 120 DEG C.
Above-mentioned TPU foam films precursor, then the faces the setting TPU layer on above-mentioned TPU foaming precursors are set on looped fabric, obtained
TPU synthetic leather precursors；
TPU synthetic leather precursors are placed in foaming furnace and are foamed, wherein foaming furnace is that four sections of temperature control, according to described
The foaming sequence of TPU membrane precursor, the temperature section passed through successively are 125 DEG C, 190 DEG C, 210 DEG C and 170 DEG C, and foam 2min, obtains
To TPU synthetic leather.
Comparative example 4
The raw material of PVC foam layer, by weight, including：100 parts of PVC, 0.1 part of lubricant, 2 parts of foaming agent
And 30 parts of plasticizing aid.
The raw material of the faces PVC layer, by weight, including：100 parts of PVC, 0.1 part of lubricant and 5 parts of plasticizing help
Agent.
Foaming agent is AC foaming agents；Plasticizing aid is ACR.
By the raw material of above-mentioned foaming layer, calendering formation obtains PVC foam layer precursor at 116 DEG C；By the raw material of above-mentioned face layer
Calendering formation obtains the faces PVC layer at 120 DEG C.
Above-mentioned TPU foam films precursor, then the faces the setting TPU layer on above-mentioned TPU foaming precursors are set on looped fabric, obtained
TPU synthetic leather precursors；
PVC synthetic leather precursor is placed in foaming furnace and is foamed, wherein foaming furnace is that four sections of temperature control, according to PVC
The foaming sequence of film precursor, the temperature section passed through successively are 125 DEG C, 190 DEG C, 210 DEG C and 170 DEG C, and foam 2min, obtains
PVC synthetic leather.
The performance of TPU synthetic leather or PVC synthetic leather prepared by the various embodiments described above and comparative example is detected, is pressed
The mode of 100 people range estimation detects the uniformity of abscess；Tensile load is detected according to GB/T 1646-2007；According to GB/T
2710-2005 detection tearing loads.Testing result such as the following table 1.
Table 1：
| Cell uniformity | Tensile strength/N | Tearing strength/N | |
| Embodiment 1 | ++++ | 581 | 59 |
| Embodiment 2 | ++++ | 580 | 58 |
| Embodiment 3 | +++++ | 585 | 56 |
| Embodiment 4 | +++++ | 586 | 57 |
| Embodiment 5 | ++++++ | 595 | 56 |
| Embodiment 6 | ++++++ | 589 | 58 |
| Embodiment 7 | +++ | 577 | 61 |
| Embodiment 8 | +++ | 576 | 62 |
| Comparative example 1 | ++ | 570 | 60 |
| Comparative example 2 | + | 600 | 70 |
| Comparative example 3 | ++ | 572 | 62 |
| Comparative example 4 | +++ | 580 | 65 |
It can be seen from the above description that the above embodiments of the present invention realize following technique effect：Passing through will
Lubricant, foaming agent and the plasticizing aid coordinated of TPU and specified weight part so that the raw mixture passes through the energy that foams
It is enough to obtain the feel similar with the PVC synthetic leather being equally formulated, to improve such TPU expanded materials in house ornamentation and automobile-used
Application value in terms of ornament materials.
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, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of TPU expanded materials, which is characterized in that by weight, the raw material of the TPU expanded materials includes：100 parts
TPU, 0.1~5 part of lubricant, 2~8 parts of foaming agent and 10~30 parts of plasticizing aid.
2. TPU expanded materials according to claim 1, which is characterized in that by weight, the TPU expanded materials
Raw material includes：100 parts of TPU, 0.2~2 part of the lubricant, 2~6 parts of the foaming agent and 10~25 parts it is described
Plasticizing aid；
Preferably, the hardness of the TPU is 60A~45D.
3. TPU expanded materials according to claim 1 or 2, which is characterized in that the lubricant lubricates for metal soap
Agent；The more preferable lubricant is cadmium stearate.
4. TPU expanded materials according to claim 1 or 2, which is characterized in that the foaming agent is AC foaming agents.
5. TPU expanded materials according to claim 1 or 2, which is characterized in that the plasticizing aid is ACR.
6. TPU expanded materials according to claim 1 or 2, which is characterized in that by weight, the TPU expanded materials
Raw material further include 1~5 part of foamed promoter, preferably include 1~2 part of the foamed promoter.
7. a kind of preparation method of TPU expanded materials, which is characterized in that the preparation method includes：
The raw material of any one of claim 1 to 6 expanded material is obtained into TPU membrane precursor through calendering formation；
It foams at 130~230 DEG C to the TPU membrane precursor, obtains the TPU expanded materials.
8. preparation method according to claim 7, which is characterized in that the TPU membrane precursor is placed in foaming furnace and is carried out
Foaming, and four sections of temperature controls of the foaming furnace point, wherein according to the foaming sequence of the TPU membrane precursor, the temperature passed through successively
It is 135 ± 10 DEG C, 200 ± 10 DEG C, 220 ± 10 DEG C and 180 ± 10 DEG C to spend section, and total foamed time is 1~2min, is obtained described
TPU expanded materials.
9. a kind of TPU synthetic leather, the TPU synthetic leather includes the base fabric being sequentially stacked, TPU foaming layers and the faces TPU layer, spy
Sign is that the TPU foaming layers use any expanded material in claim 1 to 6 to be made.
10. TPU synthetic leather according to claim 9, which is characterized in that by weight, the raw material packet of the faces the TPU layer
It includes：100 parts of TPU, 0.1~5 part of lubricant and 5~20 parts of plasticizing aid；
Preferably, by weight, the raw material of the faces the TPU layer includes：100 parts of TPU, 0.3~2 part of the lubricant with
And 6~18 parts of the plasticizing aid；
It is highly preferred that the lubricant is metal soap lubricant；The plasticizing aid is ACR；
Preferably, the hardness of the TPU is 60A~45D.
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| CN111484725A (en) * | 2020-05-14 | 2020-08-04 | 上海鑫亘环保科技有限公司 | TPU foamed leather and preparation process thereof |
| CN114369357A (en) * | 2022-01-12 | 2022-04-19 | 刘堂连 | Composition for foaming material |
| CN115107322A (en) * | 2022-07-18 | 2022-09-27 | 广东安拓普聚合物科技有限公司 | Environment-friendly flexible leather and preparation method thereof |
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| CN115107322A (en) * | 2022-07-18 | 2022-09-27 | 广东安拓普聚合物科技有限公司 | Environment-friendly flexible leather and preparation method thereof |
| CN115107322B (en) * | 2022-07-18 | 2023-06-06 | 广东安拓普聚合物科技有限公司 | Environment-friendly flexible leather and preparation method thereof |
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Application publication date: 20180717 Assignee: Guangdong Yaoda Financial Leasing Co.,Ltd. Assignor: GUANGDONG TIANAN NEW MATERIAL Co.,Ltd. Contract record no.: X2022980007634 Denomination of invention: TPU foaming material, its preparation method and TPU synthetic leather Granted publication date: 20200811 License type: Exclusive License Record date: 20220616 |
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Denomination of invention: TPU foaming material, its preparation method and TPU synthetic leather Effective date of registration: 20220617 Granted publication date: 20200811 Pledgee: Guangdong Yaoda Financial Leasing Co.,Ltd. Pledgor: GUANGDONG TIANAN NEW MATERIAL Co.,Ltd. Registration number: Y2022980008070 |