CN108707274A - A kind of soft highly-elastic is wear-resisting can Electro-static Driven Comb EVA composite foam materials and preparation method - Google Patents
A kind of soft highly-elastic is wear-resisting can Electro-static Driven Comb EVA composite foam materials and preparation method Download PDFInfo
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Abstract
The invention discloses a kind of soft highly-elastic it is wear-resisting can Electro-static Driven Comb EVA composite foam materials and preparation method, soft highly-elastic it is wear-resisting can Electro-static Driven Comb EVA composite foam materials by material through mixing, granulation and foaming be made；The material includes：Ethylene-vinyl acetate copolymer 25-50 mass parts, polyolefin thermoplastic elastomer 15-35 mass parts, ethylene propylene diene rubber 15-25 mass parts, polyolefin block copolymer 10-20 mass parts, graphene oxide 1-3 mass parts, anti-wear agent 3-8 mass parts, filler 4-6 mass parts, 0.4-0.6 parts of activating agent, crosslinking agent 0.7-1.2 mass parts, foaming agent 2.5-3.5 mass parts and auxiliary agent 2.1-4.3 mass parts；Wherein, vinylacetate mass content is 26%-40% in ethylene-vinyl acetate copolymer.The soft highly-elastic it is wear-resisting can Electro-static Driven Comb EVA composite foam materials soft comfortable, resilience performance it is excellent, it is wear-resistant excellent, meanwhile have good Electro-static Driven Comb performance, the soft highly-elastic it is wear-resisting can Electro-static Driven Comb EVA composite foam materials preparation method it is simple, easy to operate.
Description
Technical field
The present invention relates to athletic shoe sole Material Fields, and in particular to a kind of soft highly-elastic is wear-resisting can Electro-static Driven Comb EVA
Composite foam material and preparation method.
Background technology
With the fast development in sport footwear market, people to sole to wear experience requirements higher and higher, it is functional good, it is soft
It is soft comfortably to become a kind of development trend.In winter since weather is more dry, electrostatic is easy tod produce, wearer is seriously affected
Experience sense, in order to solve this problem, usually can Electro-static Driven Comb antiwear EVA expanded material as movement midsole and outsole solution
The certainly above problem, but current sole reaches certain wear-resisting requirement with EVA expanded materials, and the hardness generally done is higher,
Density is larger, and the performances such as material bradyseism, rebound are poor.Common antiwear EVA expanded material quality is hard currently on the market, rebound
Generally 40% or so, and fatigue durability is poor, and the bad problem of equal recoveries that collapses is had after wearing a period of time, meanwhile,
A large amount of conductive black is added in order to allow expanded material that there is preferable Electro-static Driven Comb performance, it will be apparent that increases the weight of sole
Amount, meanwhile, so that hardness is also had and significantly increase, influences the wearing comfort of wearer.
Invention content
It is an object of the invention to overcome the problems, such as drawbacks described above present in background technology or, it is resistance to provide a kind of soft highly-elastic
Mill can Electro-static Driven Comb EVA composite foam materials and preparation method, soft highly-elastic is wear-resisting can Electro-static Driven Comb EVA composite foam materials
Soft comfortable, resilience performance are excellent, wear-resistant excellent, meanwhile, there is good Electro-static Driven Comb performance, the soft highly-elastic is wear-resisting can be quiet
The preparation method of electricity release EVA composite foam materials is simple, easy to operate.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of soft highly-elastic can Electro-static Driven Comb EVA composite foam materials, including：It is made through mixing, granulation and foaming by material
；The material includes：Ethylene-vinyl acetate copolymer 25-50 mass parts, polyolefin thermoplastic elastomer 15-35 mass
Part, ethylene propylene diene rubber 15-25 mass parts, polyolefin block copolymer 10-20 mass parts, graphene oxide 1-3 mass parts are resistance to
Grinding agent 3-8 mass parts, filler 4-6 mass parts, 0.4-0.6 parts of activating agent, crosslinking agent 0.7-1.2 mass parts, foaming agent 2.5-
3.5 mass parts and auxiliary agent 2.1-4.3 mass parts；Wherein, vinylacetate mass content is in ethylene-vinyl acetate copolymer
26%-40%.
Further, model EVA7470M, EVA460 of the ethylene-vinyl acetate copolymer, EVA462,
One or more of EVA265, EVA40L-03, EVA40W.
Further, the polyolefin thermoplastic elastomer is polystyrene-type thermoplastic elastomers material.
Further, one kind or several in model IP3745, EPDM8800, EPDM9500 of the ethylene propylene diene rubber
Kind.
Further, model Infuse9100, Infuse9107 of the polyolefin block copolymer,
One or more of Infuse9500, Infuse9507.
Further, the anti-wear agent is predispersed masterbatch anti-wear agent.
Further, the filler is one or more of talcum powder, calcium carbonate, silica, carbon black.
Further, activating agent used is the one or more of stearic acid, aliphatic acid.
Further, the crosslinking agent is Isosorbide-5-Nitrae-dual-tert-butyl peroxy isopropyl base benzene.
Further, the foaming agent is azodicarbonamide, expended microsphere, one kind in OBSH foaming agents or several
Kind.
Further, the auxiliary agent is one or more of zinc oxide, zinc stearate, antishrinking agent, crosslinking coagent.
The present invention also provides a kind of above-mentioned soft highly-elastic can Electro-static Driven Comb EVA composite foam materials preparation method, including
Following steps：Step 1：The each component in the material is weighed in parts by weight；Step 2：The oxidation stone that will have been weighed in step 1
Black alkene and polyolefin thermoplastic elastomer dispersion are blended；Step 3：By what is weighed in the material after being blended in step 2 and step 1
Other compositions in addition to crosslinking agent and foaming agent are kneaded；Step 4：Claim to the material after being kneaded in step 3 with step 1
The crosslinking agent and foaming agent taken is kneaded；Step 5：The mixture obtained later will be kneaded in step 4 to be granulated successively
And foaming, obtain EVA composite foam materials.
Further, the time being blended in the step 2 is 8-10 minutes, and temperature is 110-115 DEG C.
Further, the time being kneaded in the step 3 is 5-10 minutes, and temperature is 115-120 DEG C.
Further, the time being kneaded in the step 4 is 5-8 minutes, and temperature is 120-125 DEG C.
By the above-mentioned description of this invention it is found that compared with the existing technology, the following advantageous effect that the present invention has：
1, vinylacetate (VA) mass content exists in the ethylene-vinyl acetate copolymer (EVA) used in the formula
Between 26%-40%, for VA as the soft segment in EVA strands, intramolecular chemical key inward turning is more free, can be formed
The random coil conformation irregularly crimped, the suitable VA mass contents range can ensure random coil conformation in polymer three
Being uniformly distributed in level structure effectively reduces the crystallizing power of ethylene segment in polymer, polymer molecular chain is made to protect as far as possible
Flexibility is held, to ensure the pliability and high resiliency of composite material.
2, the graphene oxide facing conductive carbon black employed in formula has lower density, while having larger ratio
Surface area can reach Electro-static Driven Comb effect using less graphene oxide, can effectively reduce the density of expanded material, together
When can ensure since additive amount is smaller expanded material have preferable softness.
3, polyolefin elastomer is that polystyrene type elastomer material has the advantages that density is low, resilience is good.
4, nonpolarity substituent group in ethylene propylene diene rubber molecular structure, molecule inner injection can be low, and strand can be in wide temperature
Compliance is kept in range, has the advantages that density bottom, resilience performance is good, suitable ethylene propylene diene rubber can reduce composite wood
Expect density, improve resilience performance, improves physical mechanical property, while ensureing the soft comfortable of material.
5, the alternately arranged polyolefin block copolymer of soft and hard segments is introduced in being formulated, special macromolecular chain configuration can
To greatly improve the compliance of strand, meanwhile, keep the crosslinking points in polyolefin block copolymer more and be uniformly distributed, ensures multiple
The molecule interchain closed in object is not easy to slide, to greatly improve the elasticity of composite material.
6, for the anti-wear agent used in being formulated for predispersed masterbatch anti-wear agent, wear-resisting agent carrier is total for ethylene-vinyl acetate
Polymer material has fabulous compatibility with each major ingredient, to ensure anti-wear agent being uniformly distributed in the composite, substantially carries
The abrasion performance ability of high material.
7, filler used in formula is the uniform fine particle that grain size is respectively less than 6 μm, can be evenly distributed on entire
In composite system, certain strengthening action is played, meanwhile, uniform grain size also assures to a certain extent as interface
The uniformity of abscess in expanded material improves the mechanical property and elasticity of composite material.
8, optimal crosslinked foaming is constructed by using the activating agent of rational proportion, crosslinking agent, foaming agent and auxiliary agent etc.
System also ensures the mechanical property and resilience performance of composite material.
9, be used to prepare the soft highly-elastic can Electro-static Driven Comb EVA composite foam materials preparation method, it is easy to operate, oxidation
Graphene dispersion is uniform, reaches Electro-static Driven Comb demand；Preparation method is identical as traditional processing technology, and it is prepared can electrostatic
With the shoes more made than common electrostatic release EVA composite foam materials when release composite foam material is used to make sole
Bottom has better soft comfortable, resilience and abrasion performance, and lasting comfortable experience can be brought to consumer.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below.Obviously, described implementation
Example is the preferred embodiment of the present invention, and is not to be seen as excluding other embodiments.Based on the embodiment of the present invention, this field
The every other embodiment that is obtained under the premise of not making creative work of those of ordinary skill, belong to protection of the present invention
Range.
In claims of the present invention and specification, unless otherwise specifically limited, such as using term " first ", " second "
Or " third " etc., it is provided to distinguish different objects, rather than for describing particular order.
In claims of the present invention and specification, unless otherwise specifically limited, term " affixed " or " fixed is such as used
Connection ", should broadly understood, i.e., between the two without any connection mode of displacement relation and relative rotation relationship, that is,
It says including being unremovably fixedly connected with, being removably secured connection, be linked together and fixed by other devices or element
Connection.
In claims of the present invention and specification, such as using term " comprising ", " having " and their deformation, meaning
Figure is " including but not limited to ".
In embodiments of the present invention, soft highly-elastic can Electro-static Driven Comb EVA composite foam materials, by material through being kneaded, being granulated
It is made with foaming；Above-mentioned material includes：Ethylene-vinyl acetate copolymer 25-50 mass parts, polyolefin thermoplastic elastomer
15-35 mass parts, ethylene propylene diene rubber 15-25 mass parts, polyolefin block copolymer 10-20 mass parts, graphene oxide 1-3
Mass parts, anti-wear agent 3-8 mass parts, filler 4-6 mass parts, 0.4-0.6 parts of activating agent, crosslinking agent 0.7-1.2 mass parts, hair
Infusion 2.5-3.5 mass parts and auxiliary agent 2.1-4.3 mass parts；Wherein, vinylacetate matter in ethylene-vinyl acetate copolymer
Amount content is 26%-40%.
Wherein, model EVA7470M, EVA460 of ethylene-vinyl acetate copolymer, EVA462, EVA265,
One or more of EVA40L-03, EVA40W；Acetic acid in the ethylene-vinyl acetate copolymer (EVA) used in the formula
Vinyl acetate (VA) mass content is between 26%-40%, and VA is as the soft segment in EVA strands, intramolecular chemical key
Inward turning is more free, can form the random coil conformation irregularly crimped, which can ensure
Random coil conformation being uniformly distributed in polymer tertiary structure effectively reduces the crystallizing power of ethylene segment in polymer,
Polymer molecular chain is set as to keep flexible as possible, to ensure the pliability and high resiliency of composite material.
Used graphene oxide facing conductive carbon black has lower density, while having larger specific surface area,
Electro-static Driven Comb effect can be reached using less graphene oxide, can effectively reduce the density of expanded material, simultaneously because
Additive amount is smaller can to ensure that expanded material has preferable softness.
Polyolefin thermoplastic elastomer is polystyrene-type thermoplastic elastomers material, and polyolefin elastomer is polystyrene
Class elastomeric material has the advantages that density is low, resilience is good.
One or more of model IP3745, EPDM8800, EPDM9500 of ethylene propylene diene rubber, ethylene-propylene-diene monomer
Nonpolarity substituent group in xanthan molecule structure, molecule inner injection can be low, and strand can keep compliance in wide temperature range, have
Density bottom, the advantages that resilience performance is good, suitable ethylene propylene diene rubber can reduce composite density, improve resilience performance,
Improve physical mechanical property, while ensureing the soft comfortable of material.
In model Infuse9100, Infuse9107, Infuse9500, Infuse9507 of polyolefin block copolymer
One or more, the alternately arranged polyolefin block copolymer of soft and hard segments, special macromolecular chain configuration can carry substantially
The compliance of macromolecular chain, meanwhile, keep the crosslinking points in polyolefin block copolymer more and be uniformly distributed, ensures in compound
Molecule interchain is not easy to slide, to greatly improve the elasticity of composite material.
Anti-wear agent is predispersed masterbatch anti-wear agent, and wear-resisting agent carrier is ethylene-vinyl acetate copolymer material, with each master
Material has fabulous compatibility, to ensure anti-wear agent being uniformly distributed in the composite, greatly improves the abrasion performance of material
Ability.
Filler is one or more of talcum powder, calcium carbonate, silica, carbon black, and filler is that grain size is respectively less than 6
μm uniform fine particle, can be evenly distributed in entire composite system, play certain strengthening action, meanwhile,
Even grain size also assures the uniformity of abscess in expanded material as interface to a certain extent, improves the power of composite material
Learn performance and elasticity.
Activating agent is the one or more of stearic acid, aliphatic acid, and specifically, in the present embodiment, activating agent is using stearic
Acid.
Crosslinking agent is 1,4 bis tert butyl peroxy isopropyl benzene.
Foaming agent is one or more of azodicarbonamide, expended microsphere, OBSH foaming agents.
Auxiliary agent is one or more of zinc oxide, zinc stearate, antishrinking agent, crosslinking coagent, specifically, in this implementation
In example, auxiliary agent uses zinc oxide 1.5-2.5 mass parts, zinc stearate 0.5-1.5 mass parts and crosslinking coagent 0.1-0.3 mass
Part；Optimal crosslinked foaming system is constructed using the activating agent of rational proportion, crosslinking agent, foaming agent and auxiliary agent etc., is also ensured
The mechanical property and resilience performance of composite material.
Correspondingly, an embodiment of the present invention provides a kind of soft highly-elastic is wear-resisting can Electro-static Driven Comb EVA composite foam materials
It prepares and takes precautions against, include the following steps：Step 1：The each component in the material is weighed in parts by weight；Step 2：It will be in step 1
Graphene oxide and the polyolefin thermoplastic elastomer dispersion weighed is blended；Step 3：By in step 2 be blended after material with
The other compositions in addition to crosslinking agent and foaming agent weighed in step 1 are kneaded；Step 4：To after being kneaded in step 3
Material is kneaded with the crosslinking agent and foaming agent weighed in step 1；Step 5：The mixing obtained later will be kneaded in step 4
Object is granulated and is foamed successively, and EVA composite foam materials are obtained.
In the present embodiment, the time being blended in step 2 is 8-10 minutes, and temperature is 110-115 DEG C；It is kneaded in step 3
Time is 5-10 minutes, and temperature is 115-120 DEG C；The time being kneaded in step 4 is 5-8 minutes, and temperature is 120-125 DEG C；Step
The equipment for being blended or being kneaded in rapid 2, step 3 and step 4 is mixer；The equipment being granulated in step 5 is comminutor.
In the present embodiment, be used to prepare the soft highly-elastic can Electro-static Driven Comb EVA composite foam materials preparation method, operation
Simply, graphene oxide is uniformly dispersed, and reaches Electro-static Driven Comb demand；Preparation method is identical as traditional processing technology, and prepared
Go out can Electro-static Driven Comb composite foam material it is more made than common electrostatic release EVA composite foam materials for having when making sole
Sole made of work has better soft comfortable, resilience and abrasion performance, can be brought to consumer lasting comfortable
Experience.
The present invention may include secondary mould pressing moulding process, required finished product is made.This present invention is not particularly limited,
According to the demand of required product, operated according to this field common process.
In the embodiment of the present invention obtained soft highly-elastic it is wear-resisting can Electro-static Driven Comb EVA composite foam materials can be used for making
The wearing comfort of athletic shoe sole, obtained sole is good, and wear-resisting property is good.
Specifically, the present invention specifically using following two embodiments come be made soft highly-elastic it is wear-resisting can Electro-static Driven Comb EVA it is multiple
Expanded material is closed, and its physical property is detected.
Embodiment one
In embodiments of the present invention, soft highly-elastic can the mass parts of material contained by Electro-static Driven Comb EVA composite foam materials match
Than as follows：
Ethylene-vinyl acetate copolymer：35 mass parts
Polyolefin thermoplastic elastomer：25 mass parts
Ethylene propylene diene rubber：20 mass parts
Polyolefin block copolymer：15 mass parts
Anti-wear agent：5 mass parts
Graphene oxide：1.2 mass parts
Filler：5 mass
Zinc oxide ZnO：2 mass parts
Stearic acid St：0.5 mass parts
Zinc stearate ZnSt：1.0 mass parts
Crosslinking coagent：0.1 mass parts
Crosslinking agent：1.0 mass parts
Foaming agent：3.1 mass parts
Wherein, ethylene-vinyl acetate copolymer model EVA7470M, Tai Su company produce；Polylefin thermoplatic bullet
Property body model polystyrene type elastomer, Quanzhou Bai Xian Co., Ltds production；Ethylene propylene diene rubber model IP3745, Tao Shi
Company produces；Polyolefin block copolymer model Infuse9107, the Dow Chemical Company's production；Anti-wear agent model 662, Hai Ligong
Department's production；Crosslinking agent is 1,4 dual-tert-butyl peroxy isopropyl base benzene；Foaming agent is azodicarbonamide；Graphene oxide is commercially available.
Graphene oxide and polyolefin thermoplastic elastomer are put into carrying out that mixing is blended in mixer, the preferably time is
8~10 minutes, temperature was 110~115 DEG C.
The above component to be poured into addition to crosslinking agent and foaming agent in mixer and is kneaded, the preferably time is 5~10 minutes,
Temperature is 115~120 DEG C.
Continue to be kneaded to addition Isosorbide-5-Nitrae dual-tert-butyl peroxy isopropyl base benzene and azodicarbonamide in uniform material is kneaded,
It is preferred that the time is 5~8 minutes, temperature is 120 DEG C~125 DEG C.
Uniform material will be kneaded and poured into comminutor and start to be granulated, then foaming, you can it is composite foamed to obtain EVA
Material.
Embodiment two
In embodiments of the present invention, soft highly-elastic can the mass parts of material contained by Electro-static Driven Comb EVA composite foam materials match
Than as follows：
Ethylene-vinyl acetate copolymer：35 mass parts
Polyolefin thermoplastic elastomer：20 mass parts
Ethylene propylene diene rubber：18 mass parts
Polyolefin block copolymer：12 mass parts
Anti-wear agent：6 mass parts
Graphene oxide：2 mass parts
Filler：5 mass parts
Zinc oxide ZnO：2 mass parts
Stearic acid St：0.5 mass parts
Zinc stearate ZnSt：0.8 mass parts
Crosslinking coagent：0.17 mass parts
Crosslinking agent：1.0 mass parts
Foaming agent：3.0 mass parts
Wherein, ethylene-vinyl acetate copolymer model EVA265, E.I.Du Pont Company's production；Polyolefine thermoplastic elastomer
Body model 6058, the production of Quanzhou Bai Xian Co., Ltds；Ethylene propylene diene rubber model IP3745, the Dow Chemical Company's production；Polyene
Hydrocarbon block copolymer model Infuse9107, the Dow Chemical Company's production；Anti-wear agent model 662, the production of Hai Li companies；Crosslinking agent
For Isosorbide-5-Nitrae dual-tert-butyl peroxy isopropyl base benzene；Foaming agent is azodicarbonamide；Graphene oxide is commercially available.
Graphene oxide and polyolefin thermoplastic elastomer are put into carrying out that mixing is blended in mixer, the preferably time is
8~10 minutes, temperature was 110~115 DEG C.
The above component to be poured into addition to crosslinking agent and foaming agent in mixer and is kneaded, the preferably time is 5~10 minutes,
Temperature is 115~120 DEG C.
Continue to be kneaded to addition Isosorbide-5-Nitrae dual-tert-butyl peroxy isopropyl base benzene and azodicarbonamide in uniform material is kneaded,
It is preferred that the time is 5~8 minutes, temperature is 120~125 DEG C.
Uniform material will be kneaded and poured into comminutor and start to be granulated, then foaming, you can it is composite foamed to obtain EVA
Material.
Embodiment three
To foamed products obtained by the above case study on implementation into quantitative measurement, and do following comparative example test：Comparative example one：
Compared with the formula in embodiment one, the use of graphene oxide is eliminated, other components and mass parts are constant, obtained by test
EVA composite foam materials physical property；Comparative example two：It is carried as Electro-static Driven Comb using the conductive black of identical mass parts
Body, to replace the graphene oxide in the formula of embodiment one, other components and mass parts are constant, and it is compound to test obtained EVA
The physical property of expanded material；Test result such as table 1.
To the composite foamed materials of EVA of gained in above example one and embodiment two and in comparative example one and comparative example two
Material carries out quantitative measurement, and as a result referring to table 1, table 1 shows that the EVA obtained by two kinds of embodiments and two kinds of comparative examples is compound
The physical properties situation of expanded material.Testing conditions：23 ± 3 DEG C of temperature, humidity 65 ± 5%.
The quantitative measurement result of product obtained by 1 embodiment one of table, embodiment two and comparative example one, comparative example two
Note:1 data of table are the data obtained by national standard test method.
The results show that the resistance measured by EVA composite foam materials obtained by embodiment one and embodiment two is respectively
2*107Ω and 4*106Ω, and the resistance measured by the EVA composite foam materials obtained by comparative example one is >=1012Ω, thus
It can make EVA composite foam materials that there is Electro-static Driven Comb performance it is found that suitable graphene oxide is added, and it is compound to EVA
Other performances of expanded material will not impact.
By the comparing result of embodiment one and comparative example two it is found that EVA composite foam materials obtained by embodiment one
Hardness is 47Asker C, and the hardness of the EVA composite foam materials obtained by comparative example two is 63Asker C；Comparative example two and reality
The resistance for applying the EVA composite foam materials obtained by example one is 2*107Ω, it follows that realizing EVA using conductive black
The Electro-static Driven Comb performance of composite foam material, with same Electro-static Driven Comb ability, EVA composite foam materials it is close
Larger, hardness bigger is spent, elongation at break reduces, resilience weakens；As it can be seen that the addition of conductive black is to the composite foamed materials of EVA
Flexibility, elasticity and the wearability of material will produce large effect.
By the test data of above example one and embodiment it is found that soft highly-elastic produced by the present invention it is wear-resisting can electrostatic release
The hardness for putting EVA composite foam materials is less than 55C, the high and low compression deformation rate of soft comfortable, resilience performance, abrasion resisting ability
By force, improve tradition can the problems such as Electro-static Driven Comb EVA material quality is hard, elasticity is bad, folding quality is poor, meet national correlation
Physical property standard.
In summary it analyzes, technical solution disclosed by the invention solves whole technical problems listed by specification, realizes
Corresponding technique effect.
The description of description above and embodiment for explaining the scope of the present invention, but is not constituted and is protected to the present invention
Protect the restriction of range.Through the invention or the enlightenment of above-described embodiment, those of ordinary skill in the art combine common knowledge, ability
The ordinary technical knowledge and/or the prior art in domain, it is available right by logical analysis, reasoning or limited experiment
Modification, equivalent replacement or the other improvements of the embodiment of the present invention or in which a part of technical characteristic should be included in the present invention's
Within protection domain.
Claims (15)
1. a kind of soft highly-elastic can Electro-static Driven Comb EVA composite foam materials, it is characterized in that：By material through mixing, granulation and foaming
It is made；The material includes：
Ethylene-vinyl acetate copolymer 25-50 mass parts, polyolefin thermoplastic elastomer 15-35 mass parts, ethylene-propylene-diene monomer
Glue 15-25 mass parts, polyolefin block copolymer 10-20 mass parts, graphene oxide 1-3 mass parts, anti-wear agent 3-8 mass
Part, filler 4-6 mass parts, 0.4-0.6 parts of activating agent, crosslinking agent 0.7-1.2 mass parts, foaming agent 2.5-3.5 mass parts and
Auxiliary agent 2.1-4.3 mass parts；Wherein, vinylacetate mass content is 26%-40% in ethylene-vinyl acetate copolymer.
2. a kind of soft highly-elastic as described in claim 1 can Electro-static Driven Comb EVA composite foam materials, it is characterized in that：The second
In model EVA7470M, EVA460, EVA462, EVA265, EVA40L-03, EVA40W of alkene-vinyl acetate co-polymer
It is one or more of.
3. a kind of soft highly-elastic as described in claim 1 can Electro-static Driven Comb EVA composite foam materials, it is characterized in that：It is described poly-
Olefinic thermoplastic elastomer is polystyrene-type thermoplastic elastomers material.
4. a kind of soft highly-elastic as described in claim 1 can Electro-static Driven Comb EVA composite foam materials, it is characterized in that：Described three
One or more of model IP3745, EPDM8800, EPDM9500 of first EP rubbers.
5. a kind of soft highly-elastic as described in claim 1 can Electro-static Driven Comb EVA composite foam materials, it is characterized in that：It is described poly-
One kind or several in model Infuse9100, Infuse9107, Infuse9500, Infuse9507 of olefin block copolymers
Kind.
6. a kind of soft highly-elastic as described in claim 1 can Electro-static Driven Comb EVA composite foam materials, it is characterized in that：It is described resistance to
Grinding agent is predispersed masterbatch anti-wear agent.
7. a kind of soft highly-elastic as described in claim 1 can Electro-static Driven Comb EVA composite foam materials, it is characterized in that：It is described to fill out
It is one or more of talcum powder, calcium carbonate, silica, carbon black to fill agent.
8. a kind of soft highly-elastic as described in claim 1 can Electro-static Driven Comb EVA composite foam materials, it is characterized in that：Work used
Property agent be stearic acid, aliphatic acid one or more.
9. a kind of soft highly-elastic as described in claim 1 can Electro-static Driven Comb EVA composite foam materials, it is characterized in that：The friendship
Connection agent is 1,4 bis tert butyl peroxy isopropyl benzene.
10. a kind of soft highly-elastic as described in claim 1 can Electro-static Driven Comb EVA composite foam materials, it is characterized in that：The hair
Infusion is one or more of azodicarbonamide, expended microsphere, OBSH foaming agents.
11. a kind of soft highly-elastic as described in claim 1 can Electro-static Driven Comb EVA composite foam materials, it is characterized in that：It is described to help
Agent is one or more of zinc oxide, zinc stearate, antishrinking agent, crosslinking coagent.
12. a kind of soft highly-elastic as described in any one of claim 1 to 11 can Electro-static Driven Comb EVA composite foam materials system
Preparation Method, it is characterized in that：Include the following steps：
Step 1：The each component in the material is weighed in parts by weight；
Step 2：The graphene oxide weighed in step 1 and polyolefin thermoplastic elastomer dispersion are blended；
Step 3：By other in addition to crosslinking agent and foaming agent weighed in material and step 1 after being blended in step 2 at
Divide and is kneaded；
Step 4：It is kneaded to the material after being kneaded in step 3 with the crosslinking agent and foaming agent weighed in step 1；
Step 5：It will be kneaded the mixture obtained later in step 4 to be granulated and foamed successively, the composite foamed materials of EVA are obtained
Material.
13. a kind of soft highly-elastic as claimed in claim 12 can Electro-static Driven Comb EVA composite foam materials preparation method, it is special
Sign is：The time being blended in the step 2 is 8-10 minutes, and temperature is 110-115 DEG C.
14. a kind of soft highly-elastic as claimed in claim 12 can Electro-static Driven Comb EVA composite foam materials preparation method, it is special
Sign is：The time being kneaded in the step 3 is 5-10 minutes, and temperature is 115-120 DEG C.
15. a kind of soft highly-elastic as claimed in claim 12 can Electro-static Driven Comb EVA composite foam materials preparation method, it is special
Sign is：The time being kneaded in the step 4 is 5-8 minutes, and temperature is 120-125 DEG C.
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| CN111138750A (en) * | 2019-12-27 | 2020-05-12 | 安踏（中国）有限公司 | Anti-slip wear-resistant composite material and preparation method thereof |
| CN111363234A (en) * | 2020-04-27 | 2020-07-03 | 福建安达福新材料科技有限公司 | Degradable EVA (ethylene-vinyl acetate) foaming material and preparation method thereof |
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| CN115028922A (en) * | 2022-06-24 | 2022-09-09 | 安踏（中国）有限公司 | Low-temperature-resistant composite foaming material for soles and preparation method thereof |
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