CN109867853A - A kind of P4U rubber and plastic composite foam material and its preparation method and application - Google Patents
A kind of P4U rubber and plastic composite foam material and its preparation method and application Download PDFInfo
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Abstract
The present invention relates to rubber and plastic composite foam material technical fields, more particularly, to be a kind of P4U rubber and plastic composite foam material, including following parts by weight: 25-40 parts of ethylene-vinyl acetate copolymer, 25-40 parts of thermoplastic elastomer, 15-25 parts of P4U machine silicon substrate strain rate response type intellectual material, 5-15 parts of anti-wear agent, 5-8 parts of filler, 2-5 parts of activating agent, 0.7-1.2 parts of crosslinking agent, 2.5-3.5 parts of foaming agent, 0-10 parts of additive.Under the common cooperation of mentioned component, resulting P4U rubber and plastic composite foam material soft comfortable, buffering, resilience performance are excellent (resilience is far longer than 60%), and recoverability is good, to meet the performance requirement of athletic shoe sole, lasting comfortable experience can be brought to consumer.
Description
Technical field
The present invention relates to rubber and plastic composite foam material technical field, more particularly, to be that a kind of P4U rubber and plastic is composite foamed
Material and its preparation method and application.
Background technique
With the rapid development in sport footwear market, consumer is higher and higher to the quality requirement of the sole of sport footwear, not only
Appearance requirement fashion, but also want comfortable and easy to wear.Existing athletic shoe sole mostly uses greatly wear-resisting EVA (ethene-vinyl acetate
Ester) foamed material is made, but this manufactured sole quality is hard, density is big, buffering, resilience performance are poor, are wearing one
After the section time, it may appear that collapse, the problems such as resilience is poor, seriously affected the feel that sportsman wears sport footwear.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of P4U rubber and plastic composite foam materials and preparation method thereof
And application.
To achieve the above object, the technical solution of the invention is as follows: a kind of P4U rubber and plastic composite foam material, including with
Lower parts by weight: 25-40 parts of ethylene-vinyl acetate copolymer, 25-40 parts of thermoplastic elastomer, P4U machine silicon substrate strain rate are rung
Answer 15-25 parts of type intellectual material, 5-15 parts of anti-wear agent, 5-8 parts of filler, 2-5 parts of activating agent, 0.7-1.2 parts of crosslinking agent,
2.5-3.5 parts of foaming agent, 0-10 parts of additive.
Preferably, the mass content of the vinylacetate in the ethylene-vinyl acetate copolymer is 33%-40%,
Wherein soft segment of the vinylacetate as strand in ethylene-vinyl acetate copolymer, so that intramolecular chemical key can
With more free inward turning, the random coil conformation irregularly crimped is formed, suitable vinyl acetate content can guarantee nothing
Coil conformation being uniformly distributed in polymer tertiary structure, is effectively reduced the crystallizing power of ethylene segment in polymer, makes
It obtains polymer molecular chain and keeps flexible as much as possible, to improve the pliability and elasticity of P4U rubber and plastic composite foam material.
Preferably, it is 150 that the thermoplastic elastomer, which is passed through by polyurethane elastomer, butadiene rubber and modified material in temperature,
Melt blending forms in~155 DEG C, has the characteristics that soft, high-elastic, wear-resisting, the polyurethane elastomer, butadiene rubber and changes
Property substance mass ratio be (10-25): (20-40): (35-70), wherein the number-average molecular weight of polyurethane elastomer be 2~
40000, the number-average molecular weight of butadiene rubber is 5~70,000, and the modified material includes styrenic elastomer and/or polyolefin elastic
Body.
Preferably, the P4U machine silicon substrate strain rate response type intellectual material is a kind of organic silicon substrate strain rate response type intelligence
Energy material, is a kind of solid-state polymer material, rather than shear thickening fluid or non-newtonian fluid, its main feature is that material stiffness, bullet
Property strain rate of the parameters such as modulus and hardness when can be with material stress acute variation occurs, strain rate is bigger, the dynamic of material
Rigidity, the dynamic modulus of elasticity and dynamic stiffness can increase several times or even 1 to 2 orders of magnitude.
Preferably, the anti-wear agent is predispersed masterbatch anti-wear agent, by using ethylene-vinyl acetate copolymer as resistance to
The carrier of grinding agent, since ethylene-vinyl acetate copolymer has fabulous compatibility, anti-wear agent is compound in P4U rubber and plastic
It is evenly distributed in foamed material, substantially increases the abrasion performance ability of P4U rubber and plastic composite foam material.The filler is talcum
One of powder, calcium carbonate, silica, carbon black are a variety of, and the filler is uniform fine particle of the partial size less than 6 μm,
It can be very good to be evenly distributed in entire P4U rubber and plastic composite foam material system, while playing reinforcing effect, uniform grain
Diameter ensure that the uniformity of abscess in foamed material as interface to a certain extent, improve P4U rubber and plastic composite foam material
Mechanical property and elasticity.
Preferably, the activating agent is the combination of one or both of stearic acid, zinc stearate, and stearic acid is in rubber
Play an important role in synthesis and process: stearic acid is widely applied vulcanizing activator in natural, synthetic rubber and latex,
It also is used as plasticizer and softening agent.During producing synthetic rubber can stiffened resin acid make emulsifier, manufacture foam Gao glue
When stearic acid can make foaming agent, stearic acid also acts as the release agent of rubber product.
Preferably, the crosslinking agent is Isosorbide-5-Nitrae-dual-tert-butyl peroxy isopropyl base benzene.
Preferably, the foaming agent is one of azodicarbonamide, inflatable ball polymer, OBSH foaming agent or more
Kind.
Preferably, the additive is one in coagent, cross-linking aid, anti-shrink auxiliary agent, pigment and processing aid
Kind is a variety of, and the coagent is zinc oxide, and the pigment and processing aid are titanium dioxide.
The present invention also provides a kind of preparation methods of P4U rubber and plastic composite foam material, comprising the following steps:
A. material is weighed, the material includes 25-40 parts of ethylene-vinyl acetate copolymer, thermoplastic elastomer 25-40
Part, 15-25 parts of P4U machine silicon substrate strain rate response type intellectual material, 5-15 parts of anti-wear agent, 5-8 parts of filler, activating agent 2-5
Part, 0.7-1.2 parts of crosslinking agent, 2.5-3.5 parts of foaming agent, 0-10 parts of additive；
B. ethylene-vinyl acetate copolymer weighed in step A, thermoplastic elastomer, P4U machine silicon substrate strain rate are rung
Type intellectual material, anti-wear agent, filler, activating agent, additive is answered to pour into mixer, smelting temperature is 110~115 DEG C, is carried out
It is kneaded 8~10min；
C. the material after step B being kneaded carries out in 115~120 DEG C with weighed crosslinking agent, foaming agent in step A
It is kneaded 3~5min；
D. the mixture that step C is kneaded is granulated in 80~90 DEG C, is then carried out in 160~170 DEG C
Foaming, obtains P4U rubber and plastic composite foam material.
The present invention also provides the application of P4U rubber and plastic composite foam material as described above in production athletic shoe sole.
By using above-mentioned technical solution, the beneficial effects of the present invention are: P4U rubber and plastic provided by the invention is composite foamed
The main ethylene-vinyl acetate copolymer, thermoplastic elastomer, P4U machine silicon substrate strain rate response type intelligence by centainly matching of material
The ingredients such as energy material, anti-wear agent, filler, activating agent, crosslinking agent, foaming agent, additive, it is obtained by being kneaded, foaming, wherein
P4U machine silicon substrate strain rate response type intellectual material is a kind of organic silicon substrate strain rate response type intellectual material, is that a kind of solid-state is high
Molecular material, rather than shear thickening fluid or non-newtonian fluid, its main feature is that the parameters meeting such as material stiffness, elasticity modulus and hardness
Acute variation occurs for strain rate when with material stress, and strain rate is bigger, the dynamic stiffiness of material, the dynamic modulus of elasticity and dynamic
State hardness can increase several times or even 1 to 2 orders of magnitude.Under the common cooperation of mentioned component, resulting P4U rubber and plastic is compound
Foamed material soft comfortable, buffering, resilience performance are excellent (resilience is far longer than 60%), and recoverability is good, thus full
The performance requirement of sufficient athletic shoe sole can bring lasting comfortable experience to consumer.
Specific embodiment
Embodiment 1
A kind of P4U rubber and plastic composite foam material, including following parts by weight: 25 parts of ethylene-vinyl acetate copolymer, heat
25 parts of plastics elastomer, 15 parts of P4U machine silicon substrate strain rate response type intellectual material, 5 parts of anti-wear agent, 5 parts of talcum powder, 2 parts of stearic acid,
3 parts of zinc stearate, 0.7 part of 1,4 bis tert butyl peroxy isopropyl benzene, 2.5 parts of foaming agent, 1.5 parts of zinc oxide, cross-linking aid 0.1
Part, 2.5 parts of titanium dioxide, 1.5 parts of anti-shrink auxiliary agent.
The mass content of vinylacetate in the ethylene-vinyl acetate copolymer is 33%-40%, wherein vinegar
Soft segment of the vinyl acetate as strand in ethylene-vinyl acetate copolymer, allow intramolecular chemical key more
Free inward turning, forms the random coil conformation irregularly crimped, and suitable vinyl acetate content can guarantee random coil
Conformation being uniformly distributed in polymer tertiary structure, is effectively reduced the crystallizing power of ethylene segment in polymer, so that polymerization
Object strand keeps flexible as much as possible, to improve the pliability and elasticity of P4U rubber and plastic composite foam material.
It is 150~155 DEG C that the thermoplastic elastomer, which is passed through by polyurethane elastomer, butadiene rubber and modified material in temperature,
Middle melt blending forms, and has the characteristics that soft, high-elastic, wear-resisting, the polyurethane elastomer, butadiene rubber and modified material
Mass ratio is (10-25): (20-40): (35-70), wherein the number-average molecular weight of polyurethane elastomer is 2~40,000, along fourth
The number-average molecular weight of rubber is 5~70,000, and the modified material includes styrenic elastomer and/or polyolefin elastomer.
The P4U machine silicon substrate strain rate response type intellectual material is a kind of organic silicon substrate strain rate response type intellectual material,
A kind of solid-state polymer material, rather than shear thickening fluid or non-newtonian fluid, its main feature is that material stiffness, elasticity modulus with
Acute variation occurs for the strain rate when parameters such as hardness can be with material stress, and strain rate is bigger, dynamic stiffiness, the dynamic of material
Elasticity modulus and dynamic stiffness can increase several times or even 1 to 2 orders of magnitude.
The foaming agent is one of azodicarbonamide, inflatable ball polymer, OBSH foaming agent or a variety of.
The present invention also provides a kind of preparation methods of P4U rubber and plastic composite foam material, comprising the following steps:
A. material is weighed, the material includes 25 parts of ethylene-vinyl acetate copolymer, 25 parts of thermoplastic elastomer, P4U machine
15 parts of silicon substrate strain rate response type intellectual material, 5 parts of anti-wear agent, 5 parts of talcum powder, 2 parts of stearic acid, 3 parts of zinc stearate, 1,4- are bis-
0.7 part of tert-butylperoxyiso-propyl benzene, 1.5 parts of zinc oxide, 0.1 part of cross-linking aid, 2.5 parts of titanium dioxide, resists 2.5 parts of foaming agent
Shrink 1.5 parts of auxiliary agent；
B. ethylene-vinyl acetate copolymer weighed in step A, thermoplastic elastomer, P4U machine silicon substrate strain rate are rung
Answer type intellectual material, anti-wear agent, talcum powder, stearic acid, zinc stearate, zinc oxide, cross-linking aid, titanium dioxide, anti-shrink auxiliary agent
Mixer is poured into, smelting temperature is 110 DEG C, carries out mixing 8min；
C. weighed 1,4 bis tert butyl peroxy isopropyl benzene, foaming agent in the material and step A after step B being kneaded
Mixing 3min is carried out in 115 DEG C；
D. the mixture that step C is kneaded is granulated in 80 DEG C, then foams, obtains in 160 DEG C
P4U rubber and plastic composite foam material.
Embodiment 2
A kind of P4U rubber and plastic composite foam material, including following parts by weight: 33 parts of ethylene-vinyl acetate copolymer, heat
33 parts of plastics elastomer, 20 parts of P4U machine silicon substrate strain rate response type intellectual material, 10 parts of anti-wear agent, 6.5 parts of talcum powder, stearic acid
2.5 parts, 4 parts of zinc stearate, 1 part of 1,4 bis tert butyl peroxy isopropyl benzene, 3 parts of foaming agent, 2 parts of zinc oxide, cross-linking aid 0.2
Part, 3 parts of titanium dioxide, 2 parts of anti-shrink auxiliary agent.
The mass content of vinylacetate in the ethylene-vinyl acetate copolymer is 33%-40%, wherein vinegar
Soft segment of the vinyl acetate as strand in ethylene-vinyl acetate copolymer, allow intramolecular chemical key more
Free inward turning, forms the random coil conformation irregularly crimped, and suitable vinyl acetate content can guarantee random coil
Conformation being uniformly distributed in polymer tertiary structure, is effectively reduced the crystallizing power of ethylene segment in polymer, so that polymerization
Object strand keeps flexible as much as possible, to improve the pliability and elasticity of P4U rubber and plastic composite foam material.
It is 150~155 DEG C that the thermoplastic elastomer, which is passed through by polyurethane elastomer, butadiene rubber and modified material in temperature,
Middle melt blending forms, and has the characteristics that soft, high-elastic, wear-resisting, the polyurethane elastomer, butadiene rubber and modified material
Mass ratio is (10-25): (20-40): (35-70), wherein the number-average molecular weight of polyurethane elastomer is 2~40,000, along fourth
The number-average molecular weight of rubber is 5~70,000, and the modified material includes styrenic elastomer and/or polyolefin elastomer.
The P4U machine silicon substrate strain rate response type intellectual material is a kind of organic silicon substrate strain rate response type intellectual material,
A kind of solid-state polymer material, rather than shear thickening fluid or non-newtonian fluid, its main feature is that material stiffness, elasticity modulus with
Acute variation occurs for the strain rate when parameters such as hardness can be with material stress, and strain rate is bigger, dynamic stiffiness, the dynamic of material
Elasticity modulus and dynamic stiffness can increase several times or even 1 to 2 orders of magnitude.
The foaming agent is one of azodicarbonamide, inflatable ball polymer, OBSH foaming agent or a variety of.
The present invention also provides a kind of preparation methods of P4U rubber and plastic composite foam material, comprising the following steps:
A. material is weighed, the material includes 33 parts of ethylene-vinyl acetate copolymer, 33 parts of thermoplastic elastomer, P4U machine
20 parts of silicon substrate strain rate response type intellectual material, 10 parts of anti-wear agent, 6.5 parts of talcum powder, 2.5 parts of stearic acid, 4 parts of zinc stearate,
1 part of 1,4 bis tert butyl peroxy isopropyl benzene, 3 parts of foaming agent, 2 parts of zinc oxide, 0.2 part of cross-linking aid, 3 parts of titanium dioxide, anti-receipts
2 parts of contracting auxiliary agent；
B. ethylene-vinyl acetate copolymer weighed in step A, thermoplastic elastomer, P4U machine silicon substrate strain rate are rung
Answer type intellectual material, anti-wear agent, talcum powder, stearic acid, zinc stearate, zinc oxide, cross-linking aid, titanium dioxide, anti-shrink auxiliary agent
Mixer is poured into, smelting temperature is 113 DEG C, carries out mixing 9min；
C. weighed 1,4 bis tert butyl peroxy isopropyl benzene, foaming agent in the material and step A after step B being kneaded
Mixing 4min is carried out in 117 DEG C；
D. the mixture that step C is kneaded is granulated in 85 DEG C, then foams, obtains in 165 DEG C
P4U rubber and plastic composite foam material.
Embodiment 3
A kind of P4U rubber and plastic composite foam material, including following parts by weight: 40 parts of ethylene-vinyl acetate copolymer, heat
40 parts of plastics elastomer, 25 parts of P4U machine silicon substrate strain rate response type intellectual material, 15 parts of anti-wear agent, 8 parts of talcum powder, stearic acid 3
Part, 5 parts of zinc stearate, 1.2 parts of 1,4 bis tert butyl peroxy isopropyl benzene, 3.5 parts of foaming agent, 2.5 parts of zinc oxide, cross-linking aid
0.3 part, 3.5 parts of titanium dioxide, 2.5 parts of anti-shrink auxiliary agent.
The mass content of vinylacetate in the ethylene-vinyl acetate copolymer is 33%-40%, wherein vinegar
Soft segment of the vinyl acetate as strand in ethylene-vinyl acetate copolymer, allow intramolecular chemical key more
Free inward turning, forms the random coil conformation irregularly crimped, and suitable vinyl acetate content can guarantee random coil
Conformation being uniformly distributed in polymer tertiary structure, is effectively reduced the crystallizing power of ethylene segment in polymer, so that polymerization
Object strand keeps flexible as much as possible, to improve the pliability and elasticity of P4U rubber and plastic composite foam material.
It is 150~155 DEG C that the thermoplastic elastomer, which is passed through by polyurethane elastomer, butadiene rubber and modified material in temperature,
Middle melt blending forms, and has the characteristics that soft, high-elastic, wear-resisting, the polyurethane elastomer, butadiene rubber and modified material
Mass ratio is (10-25): (20-40): (35-70), wherein the number-average molecular weight of polyurethane elastomer is 2~40,000, along fourth
The number-average molecular weight of rubber is 5~70,000, and the modified material includes styrenic elastomer and/or polyolefin elastomer.
The P4U machine silicon substrate strain rate response type intellectual material is a kind of organic silicon substrate strain rate response type intellectual material,
A kind of solid-state polymer material, rather than shear thickening fluid or non-newtonian fluid, its main feature is that material stiffness, elasticity modulus with
Acute variation occurs for the strain rate when parameters such as hardness can be with material stress, and strain rate is bigger, dynamic stiffiness, the dynamic of material
Elasticity modulus and dynamic stiffness can increase several times or even 1 to 2 orders of magnitude.
The foaming agent is one of azodicarbonamide, inflatable ball polymer, OBSH foaming agent or a variety of.
The present invention also provides a kind of preparation methods of P4U rubber and plastic composite foam material, comprising the following steps:
A. material is weighed, the material includes 40 parts of ethylene-vinyl acetate copolymer, 40 parts of thermoplastic elastomer, P4U machine
25 parts of silicon substrate strain rate response type intellectual material, 15 parts of anti-wear agent, 8 parts of talcum powder, 3 parts of stearic acid, 5 parts of zinc stearate, 1,4-
1.2 parts of dual-tert-butyl peroxy isopropyl base benzene, 3.5 parts of foaming agent, 2.5 parts of zinc oxide, 0.3 part of cross-linking aid, 3.5 parts of titanium dioxide,
2.5 parts of anti-shrink auxiliary agent；
B. ethylene-vinyl acetate copolymer weighed in step A, thermoplastic elastomer, P4U machine silicon substrate strain rate are rung
Answer type intellectual material, anti-wear agent, talcum powder, stearic acid, zinc stearate, zinc oxide, cross-linking aid, titanium dioxide, anti-shrink auxiliary agent
Mixer is poured into, smelting temperature is 115 DEG C, carries out mixing 10min；
C. weighed 1,4 bis tert butyl peroxy isopropyl benzene, foaming agent in the material and step A after step B being kneaded
Mixing 5min is carried out in 120 DEG C；
D. the mixture that step C is kneaded is granulated in 90 DEG C, then foams, obtains in 170 DEG C
P4U rubber and plastic composite foam material.
Comparative example 1
A kind of rubber and plastic composite foam material, including following parts by weight: 33 parts of ethylene-vinyl acetate copolymer, thermoplastic bullet
Property 33 parts of body, 10 parts of anti-wear agent, 6.5 parts of talcum powder, 2.5 parts of stearic acid, 4 parts of zinc stearate, 1,4- dual-tert-butyl peroxy isopropyl
1 part of base benzene, 3 parts of foaming agent, 2 parts of zinc oxide, 0.2 part of cross-linking aid, 3 parts of titanium dioxide, 2 parts of anti-shrink auxiliary agent.
The mass content of vinylacetate in the ethylene-vinyl acetate copolymer is 33%-40%.
It is 150~155 DEG C that the thermoplastic elastomer, which is passed through by polyurethane elastomer, butadiene rubber and modified material in temperature,
Middle melt blending forms, and the mass ratio of the polyurethane elastomer, butadiene rubber and modified material is (10-25): (20-
40): (35-70), the modified material include styrenic elastomer and/or polyolefin elastomer.
The foaming agent is one of azodicarbonamide, inflatable ball polymer, OBSH foaming agent or a variety of.
The present invention also provides a kind of preparation methods of rubber and plastic composite foam material, comprising the following steps:
A. material is weighed, the material includes 33 parts of ethylene-vinyl acetate copolymer, 33 parts of thermoplastic elastomer, anti-wear agent
10 parts, 6.5 parts of talcum powder, 2.5 parts of stearic acid, 4 parts of zinc stearate, 1 part of 1,4 bis tert butyl peroxy isopropyl benzene, foaming agent 3
Part, 2 parts of zinc oxide, 0.2 part of cross-linking aid, 3 parts of titanium dioxide, 2 parts of anti-shrink auxiliary agent；
B. by ethylene-vinyl acetate copolymer weighed in step A, thermoplastic elastomer, anti-wear agent, talcum powder, tristearin
Acid, zinc stearate, zinc oxide, cross-linking aid, titanium dioxide, anti-shrink auxiliary agent pour into mixer, and smelting temperature is 113 DEG C, carry out
It is kneaded 9min；
C. weighed 1,4 bis tert butyl peroxy isopropyl benzene, foaming agent in the material and step A after step B being kneaded
Mixing 4min is carried out in 117 DEG C；
D. the mixture that step C is kneaded is granulated in 85 DEG C, then foams, obtains in 165 DEG C
Rubber and plastic composite foam material.
Comparative example 2
A kind of rubber and plastic composite foam material, including following parts by weight: 40 parts of ethylene-vinyl acetate copolymer, thermoplastic bullet
Property 40 parts of body, 15 parts of anti-wear agent, 8 parts of talcum powder, 3 parts of stearic acid, 5 parts of zinc stearate, 1,4 bis tert butyl peroxy isopropyl benzene
1.2 parts, 3.5 parts of foaming agent, 2.5 parts of zinc oxide, 0.3 part of cross-linking aid, 3.5 parts of titanium dioxide, 2.5 parts of anti-shrink auxiliary agent.
The mass content of vinylacetate in the ethylene-vinyl acetate copolymer is 33%-40%.
It is 150~155 DEG C that the thermoplastic elastomer, which is passed through by polyurethane elastomer, butadiene rubber and modified material in temperature,
Middle melt blending forms, and the mass ratio of the polyurethane elastomer, butadiene rubber and modified material is (10-25): (20-
40): (35-70), the modified material include styrenic elastomer and/or polyolefin elastomer.
The foaming agent is one of azodicarbonamide, inflatable ball polymer, OBSH foaming agent or a variety of.
The present invention also provides a kind of preparation methods of rubber and plastic composite foam material, comprising the following steps:
A. material is weighed, the material includes 40 parts of ethylene-vinyl acetate copolymer, 40 parts of thermoplastic elastomer, anti-wear agent
15 parts, 8 parts of talcum powder, 3 parts of stearic acid, 5 parts of zinc stearate, 1.2 parts of 1,4 bis tert butyl peroxy isopropyl benzene, foaming agent 3.5
Part, 2.5 parts of zinc oxide, 0.3 part of cross-linking aid, 3.5 parts of titanium dioxide, 2.5 parts of anti-shrink auxiliary agent；
B. by ethylene-vinyl acetate copolymer weighed in step A, thermoplastic elastomer, anti-wear agent, talcum powder, tristearin
Acid, zinc stearate, zinc oxide, cross-linking aid, titanium dioxide, anti-shrink auxiliary agent pour into mixer, and smelting temperature is 115 DEG C, carry out
It is kneaded 10min；
C. weighed 1,4 bis tert butyl peroxy isopropyl benzene, foaming agent in the material and step A after step B being kneaded
Mixing 5min is carried out in 120 DEG C；
D. the mixture that step C is kneaded is granulated in 90 DEG C, then foams, obtains in 170 DEG C
Rubber and plastic composite foam material.
Quantitative measurement is carried out to the resulting rubber and plastic composite foam material of embodiment 1-3 and comparative example 1-2, as a result such as table
1, table 1 is the quantitative measurement of rubber and plastic composite foam material described in embodiment 1-3 and comparative example 1-2 as a result, testing conditions:
Temperature is 24~26 DEG C, and humidity is 60%~70%.
The quantitative measurement result of the resulting rubber and plastic composite foam material of table 1 embodiment 1-3 and comparative example 1-2
From the above data, relative to production obtained by the comparative example 1-2 without using P4U rubber and plastic composite foam material
Product, P4U rubber and plastic composite foam material soft comfortable produced by the present invention, resilience performance are high (elasticity is far longer than 60%), stretch
Intensity is strong, and antiwear property is strong, improves the disadvantages of traditional antiwear EVA texture material is hard, elasticity is bad, meets national correlation
Physical property standard applies it to the sole of sport footwear, increases the comfort level of dress.
Above-described, only presently preferred embodiments of the present invention cannot limit the range of this practical implementation, it is all according to
Equivalent change made by scope of the present invention patent and decoration, should still belong in the range of the present invention covers.
Claims (10)
1. a kind of P4U rubber and plastic composite foam material, it is characterised in that: including following parts by weight: ethene-vinyl acetate copolymerization
25-40 parts of object, 25-40 parts of thermoplastic elastomer, 15-25 parts of P4U machine silicon substrate strain rate response type intellectual material, anti-wear agent 5-
15 parts, 5-8 parts of filler, 2-5 parts of activating agent, 0.7-1.2 parts of crosslinking agent, 2.5-3.5 parts of foaming agent, additive 0-10
Part.
2. a kind of P4U rubber and plastic composite foam material according to claim 1, it is characterised in that: the ethene-vinyl acetate
The mass content of vinylacetate in ester copolymer is 33%-40%.
3. a kind of P4U rubber and plastic composite foam material according to claim 1, it is characterised in that: the thermoplastic elastomer by
Polyurethane elastomer, butadiene rubber and modified material are formed through melt blending, the polyurethane elastomer, butadiene rubber and modification
The mass ratio of substance is (10-25): (20-40): (35-70), and the modified material includes styrenic elastomer and/or gathers
Olefin elastomer.
4. a kind of P4U rubber and plastic composite foam material according to claim 1, it is characterised in that: the anti-wear agent is pre- point
Master batch anti-wear agent is dissipated, the filler is one of talcum powder, calcium carbonate, silica, carbon black or a variety of.
5. a kind of P4U rubber and plastic composite foam material according to claim 1, it is characterised in that: the activating agent is tristearin
The combination of one or both of acid, zinc stearate.
6. a kind of P4U rubber and plastic composite foam material according to claim 1, it is characterised in that: the crosslinking agent is Isosorbide-5-Nitrae-
Dual-tert-butyl peroxy isopropyl base benzene.
7. a kind of P4U rubber and plastic composite foam material according to claim 1, it is characterised in that: the foaming agent is azo
One of diformamide, inflatable ball polymer, OBSH foaming agent are a variety of.
8. a kind of P4U rubber and plastic composite foam material according to claim 1, it is characterised in that: the additive is activity
One of auxiliary agent, cross-linking aid, anti-shrink auxiliary agent, pigment and processing aid are a variety of.
9. a kind of preparation method of the P4U rubber and plastic composite foam material as described in any one of claim 1-8, feature exist
In: the following steps are included:
A. weigh material, the material include 25-40 parts of ethylene-vinyl acetate copolymer, 25-40 parts of thermoplastic elastomer,
15-25 parts of P4U machine silicon substrate strain rate response type intellectual material, 5-15 parts of anti-wear agent, 5-8 parts of filler, 2-5 parts of activating agent,
0.7-1.2 parts of crosslinking agent, 2.5-3.5 parts of foaming agent, 0-10 parts of additive；
B. by ethylene-vinyl acetate copolymer weighed in step A, thermoplastic elastomer, P4U machine silicon substrate strain rate response type
Intellectual material, anti-wear agent, filler, activating agent, additive pour into mixer, and smelting temperature is 110~115 DEG C, carry out mixing 8
~10min；
C. the material after step B being kneaded is kneaded in 115~120 DEG C with weighed crosslinking agent, foaming agent in step A
3~5min；
D. the mixture that step C is kneaded is granulated in 80~90 DEG C, is then foamed in 160~170 DEG C,
Obtain P4U rubber and plastic composite foam material.
10. a kind of P4U rubber and plastic composite foam material or as claimed in claim 9 as described in any one of claim 1-8
Application of the P4U rubber and plastic composite foam material made from preparation method in production athletic shoe sole.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110452624A (en) * | 2019-09-10 | 2019-11-15 | 广州市市政工程维修处 | A kind of expansion joints without seals joint sealing material sealant and its preparation method and application |
| CN113583450A (en) * | 2021-09-09 | 2021-11-02 | 赫利控股(福建)有限公司 | P4U rubber-plastic composite foam material and preparation method and application thereof |
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| CN116284948A (en) * | 2023-03-28 | 2023-06-23 | 西安理工大学 | Preparation method of modified EVA elastomer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110452624A (en) * | 2019-09-10 | 2019-11-15 | 广州市市政工程维修处 | A kind of expansion joints without seals joint sealing material sealant and its preparation method and application |
| TWI803839B (en) * | 2021-03-15 | 2023-06-01 | 彰洋材料股份有限公司 | Thermoplastic vulcanizate composition, manufacturing method thereof and shoe material |
| CN113583450A (en) * | 2021-09-09 | 2021-11-02 | 赫利控股(福建)有限公司 | P4U rubber-plastic composite foam material and preparation method and application thereof |
| CN113583450B (en) * | 2021-09-09 | 2023-09-08 | 赫利控股(福建)有限公司 | P4U rubber-plastic composite foam material and preparation method and application thereof |
| CN114773769A (en) * | 2022-05-23 | 2022-07-22 | 盛嘉伦橡塑(河源)有限公司 | Anti-collision material, preparation method thereof and vehicle |
| CN114773769B (en) * | 2022-05-23 | 2024-06-11 | 盛嘉伦橡塑(河源)有限公司 | Anti-collision material, preparation method thereof and vehicle |
| CN116178781A (en) * | 2023-03-01 | 2023-05-30 | 浙江红蜻蜓鞋业股份有限公司 | Polyurethane composite material for multi-path comfortable shoe material and preparation method thereof |
| CN116284948A (en) * | 2023-03-28 | 2023-06-23 | 西安理工大学 | Preparation method of modified EVA elastomer |
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