CN113105684A - CPE (chlorinated polyethylene) modified outsole material capable of touching ground and preparation method thereof - Google Patents
CPE (chlorinated polyethylene) modified outsole material capable of touching ground and preparation method thereof Download PDFInfo
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- CN113105684A CN113105684A CN202110389358.8A CN202110389358A CN113105684A CN 113105684 A CN113105684 A CN 113105684A CN 202110389358 A CN202110389358 A CN 202110389358A CN 113105684 A CN113105684 A CN 113105684A
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- 239000000463 material Substances 0.000 title claims abstract description 69
- 238000002360 preparation method Methods 0.000 title claims description 13
- 239000004709 Chlorinated polyethylene Substances 0.000 title description 56
- -1 polyethylene Polymers 0.000 claims abstract description 54
- 239000004698 Polyethylene Substances 0.000 claims abstract description 32
- 229920000573 polyethylene Polymers 0.000 claims abstract description 32
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 28
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 28
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 26
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 26
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 24
- 239000000945 filler Substances 0.000 claims abstract description 23
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 23
- 238000005187 foaming Methods 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 9
- 238000005469 granulation Methods 0.000 claims description 6
- 230000003179 granulation Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 239000007928 intraperitoneal injection Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229920001684 low density polyethylene Polymers 0.000 claims description 4
- 239000004702 low-density polyethylene Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000005660 chlorination reaction Methods 0.000 claims description 3
- 239000000454 talc Substances 0.000 claims description 3
- 229910052623 talc Inorganic materials 0.000 claims description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 3
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 2
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 2
- 239000004971 Cross linker Substances 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 abstract description 15
- 239000005060 rubber Substances 0.000 abstract description 15
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 7
- 230000003993 interaction Effects 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 28
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 28
- 230000000052 comparative effect Effects 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 3
- 239000000391 magnesium silicate Substances 0.000 description 3
- 229910052919 magnesium silicate Inorganic materials 0.000 description 3
- 235000019792 magnesium silicate Nutrition 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000013022 formulation composition Substances 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- 241000028631 Microstomus pacificus Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/04—Plastics, rubber or vulcanised fibre
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention provides a CPE modified outsole material capable of contacting ground, which is prepared from the following raw materials: 30-45 parts of polyethylene; 20-30 parts by weight of EVA; 20-35 parts by weight of CPE; 0.5 to 1.5 parts by weight of a crosslinking agent; 0.01 to 0.1 weight part of antioxidant; 7-10 parts by weight of filler; 0.3 to 1 part by weight of polydimethylsiloxane; 0.1 to 0.7 weight part of zinc stearate. Compared with the prior art, the ground-contactable CPE modified outsole material adopts specific content components to realize better interaction, the flexibility, the skid-proof and wear-resistant performance of the prepared ground-contactable CPE modified outsole material can be matched with rubber foaming, the material density can reach the specific gravity of a common EVA foaming insole, and the light weight is realized, so that the excellent performances of the common rubber foaming and EVA foaming insole materials at present are perfectly combined to one material, the light weight of the material is solved, the performances of the rubber foaming can be realized, and the ozone performance of the common rubber is also solved.
Description
Technical Field
The invention relates to the technical field of shoe product manufacturing, in particular to a CPE modified outsole material capable of contacting ground and a preparation method thereof.
Background
The sole material comprises all materials for forming the bottom, such as an outsole, a midsole, a heel and the like, and the sole is the outsole in a narrow sense; the common characteristics of common sole materials include wear resistance, water resistance, oil resistance, heat resistance, pressure resistance, impact resistance, good elasticity, easy adaptation to foot shapes, difficult deformation after shaping, heat preservation, easy moisture absorption and the like, and simultaneously, the sole materials are matched with midsoles, and have various conditions of brake action, no slipping, easy stopping and the like when feet are changed during walking.
The sole materials are of various types and can be divided into natural base materials and synthetic base materials. The natural bottom materials comprise natural bottom leather, bamboo, wood and the like, and the synthetic bottom materials comprise rubber, plastics, rubber and plastic combined materials, regenerated leather, elastic hardboard and the like. The foamed rubber sole material has the advantages of excellent elasticity, good tear resistance, aging resistance, corrosion resistance, electric insulation and the like, and is widely applied to sneakers, sports shoes, sneakers, liberation shoes, casual shoes and the like; however, it has a high density and does not have the lightweight property of the EVA foamed midsole. However, EVA foamed midsoles have problems of wet-slip to the ground and softness.
In summary, how to combine the excellent properties of both the currently used rubber foam and EVA foam midsole materials into one material becomes a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a CPE modified outsole material capable of contacting ground and a method for preparing the same, wherein the CPE modified outsole material capable of contacting ground provided by the present invention has light weight, flexibility, skid resistance and wear resistance, and can avoid the rubber ozone problem.
The invention provides a CPE modified outsole material capable of contacting ground, which is prepared from the following raw materials:
30-45 parts of polyethylene;
20-30 parts by weight of EVA;
20-35 parts by weight of CPE;
0.5 to 1.5 parts by weight of a crosslinking agent;
0.01 to 0.1 weight part of antioxidant;
7-10 parts by weight of filler;
0.3 to 1 part by weight of polydimethylsiloxane;
0.1 to 0.7 weight part of zinc stearate.
Preferably, the polyethylene is selected from low density polyethylene and/or linear low density polyethylene.
Preferably, the VA molar content of the EVA is 20-40%, and the 200 ℃/5kg melt index is 20-30 g/10 min.
Preferably, the CPE is a thermoplastic elastomer prepared by taking polyethylene as a raw material and performing chlorination reaction.
Preferably, the crosslinking agent is di-tert-butyl cumyl peroxide.
Preferably, the antioxidant is selected from antioxidant 1076 and/or antioxidant 246.
Preferably, the filler is talc.
The invention also provides a preparation method of the touchable CPE modified outsole material, which comprises the following steps:
polyethylene, EVA, CPE, a cross-linking agent, an antioxidant, a filler, polydimethylsiloxane and zinc stearate are mixed and then banburied, and then granulation and IP ejection foaming are carried out to obtain the CPE modified outsole material capable of contacting the ground.
Preferably, the process of blending and then banburying the polyethylene, the EVA, the CPE, the cross-linking agent, the antioxidant, the filler, the polydimethylsiloxane and the zinc stearate specifically comprises the following steps:
mixing polyethylene, EVA and CPE for 8-12 min at 105-125 ℃, adding a cross-linking agent, an antioxidant, a filler, polydimethylsiloxane and zinc stearate, banburying for 3-7 min at 120-130 ℃, and discharging.
Preferably, the machine pressure of the IP injection foaming is 110kg/cm2～130kg/cm2The operation time is 40-60 s; the mold temperature is 168-188 ℃, and the vulcanizing time is 250-270 s.
The invention provides a CPE modified outsole material capable of contacting ground, which is prepared from the following raw materials: 30-45 parts of polyethylene; 20-30 parts by weight of EVA; CPE20 weight portions to 35 weight portions; 0.5 to 1.5 parts by weight of a crosslinking agent; 0.01 to 0.1 weight part of antioxidant; 7-10 parts by weight of filler; 0.3 to 1 part by weight of polydimethylsiloxane; 0.1 to 0.7 weight part of zinc stearate. Compared with the prior art, the touchable CPE modified outsole material provided by the invention adopts specific content components, so that better interaction is realized, the prepared touchable CPE modified outsole material has light weight, flexibility, skid resistance and wear resistance, and the problem of rubber ozone can be avoided.
In addition, the preparation method provided by the invention has the advantages of simple process steps and low manufacturing cost, and is suitable for large-scale industrial production, so that the preparation method has wide market prospect.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a CPE modified outsole material capable of contacting ground, which is prepared from the following raw materials:
30-45 parts of polyethylene;
20-30 parts by weight of EVA;
20-35 parts by weight of CPE;
0.5 to 1.5 parts by weight of a crosslinking agent;
0.01 to 0.1 weight part of antioxidant;
7-10 parts by weight of filler;
0.3 to 1 part by weight of polydimethylsiloxane;
0.1 to 0.7 weight part of zinc stearate.
In the invention, the touchable CPE modified outsole material is prepared from raw materials including polyethylene, EVA (ethylene-vinyl acetate copolymer), CPE (chlorinated polyethylene), a cross-linking agent, an antioxidant, a filler, polydimethylsiloxane and zinc stearate, and is preferably prepared from polyethylene, EVA, CPE, the cross-linking agent, the antioxidant, the filler, polydimethylsiloxane and zinc stearate.
In the present invention, the Polyethylene (PE) is preferably selected from Low Density Polyethylene (LDPE) and/or Linear Low Density Polyethylene (LLDPE). The source of the polyethylene is not particularly limited in the present invention, and commercially available products known to those skilled in the art may be used. In the present invention, the touchable CPE modified outsole material comprises 30 to 45 parts by weight of polyethylene, preferably 33 to 43 parts by weight.
In the invention, the VA molar content of the EVA is preferably 20-40%, and more preferably 25%; the melt index at 200 ℃/5kg is preferably from 20g/10min to 30g/10min, more preferably 25g/10 min. The source of the EVA is not particularly limited in the present invention, and commercially available products known to those skilled in the art may be used. In the present invention, the touchable CPE modified outsole material comprises 20 to 30 parts by weight EVA, preferably 24 to 25 parts by weight.
In the invention, the CPE is a thermoplastic elastomer prepared by taking polyethylene as a raw material through chlorination reaction; the novel material product is white, non-toxic and tasteless, and the special molecular structure and aggregation form of the novel material determine that the CPE has a series of excellent physical and chemical properties. The invention uses CPE (chlorinated polyethylene) as a base material, is matched with other resin (PE, EVA) with specific content, and realizes better integral interaction under the combined action of other components with specific content, the flexibility, the skid resistance and the wear resistance of the obtained product can be matched with rubber foaming, the material density can reach the specific gravity of a common EVA foaming insole, and the light weight is realized; the CPE was calculated as 36% chloride content. The source of the CPE is not particularly limited in the present invention, and commercially available products known to those skilled in the art may be used. In the present invention, the touchable CPE modified outsole material comprises 20 to 35 parts by weight CPE, preferably 22 to 32 parts by weight.
In the present invention, the crosslinking agent is preferably di-t-butylperoxyisopropyl benzene (BIPB). The source of the crosslinking agent is not particularly limited in the present invention, and commercially available products known to those skilled in the art may be used. In the present invention, the touchable CPE modified outsole material comprises 0.5 to 1.5 parts by weight of a cross-linking agent, preferably 0.8 to 1.0 parts by weight.
In the present invention, the antioxidant is preferably selected from the group consisting of antioxidant 1076 and/or antioxidant 246, more preferably antioxidant 1076 (n-octadecyl β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate). The source of the antioxidant is not particularly limited in the present invention, and commercially available products known to those skilled in the art may be used. In the present invention, the touchable CPE modified outsole material comprises 0.01 to 0.1 parts by weight of a cross-linking agent, preferably 0.05 parts by weight.
In the present invention, the filler is preferably talc, using commercially available hydrous magnesium silicate well known to those skilled in the art. In the present invention, the touchable CPE modified outsole material comprises 7 to 10 parts by weight of a filler, preferably 8 to 9 parts by weight.
The sources of the polydimethylsiloxane and the zinc stearate are not particularly limited in the present invention, and commercially available products of the aforementioned polydimethylsiloxane and zinc stearate as lubricants well known to those skilled in the art may be used. In the present invention, the touchable CPE modified outsole material comprises 0.3 to 1 part by weight of polydimethylsiloxane, preferably 0.5 to 0.8 parts by weight; the touchable CPE modified outsole material includes 0.1 to 0.7 parts by weight zinc stearate, preferably 0.3 to 0.5 parts by weight.
The CPE modified outsole material capable of contacting the ground provided by the invention adopts specific content components, so that good interaction is realized, the prepared CPE modified outsole material capable of contacting the ground has light weight, flexibility, skid resistance and wear resistance, and the problem of rubber ozone can be avoided.
The invention also provides a preparation method of the touchable CPE modified outsole material, which comprises the following steps:
polyethylene, EVA, CPE, a cross-linking agent, an antioxidant, a filler, polydimethylsiloxane and zinc stearate are mixed and then banburied, and then granulation and IP ejection foaming are carried out to obtain the CPE modified outsole material capable of contacting the ground.
In the present invention, the polyethylene, EVA, CPE, cross-linking agent, antioxidant, filler, polydimethylsiloxane and zinc stearate are the same as those in the above technical solution, and are not described herein again.
In the invention, the preferable process of blending and then banburying the polyethylene, the EVA, the CPE, the cross-linking agent, the antioxidant, the filler, the polydimethylsiloxane and the zinc stearate is as follows:
mixing polyethylene, EVA and CPE for 8-12 min at 105-125 ℃, adding a cross-linking agent, an antioxidant, a filler, polydimethylsiloxane and zinc stearate, banburying for 3-7 min at 120-130 ℃, and discharging;
more preferably:
mixing polyethylene, EVA and CPE for 10min at 110-120 ℃, adding a cross-linking agent, an antioxidant, a filler, polydimethylsiloxane and zinc stearate, banburying for 5min at 120-130 ℃, and discharging.
The granulating process is not particularly limited in the invention, and a granulator well known to those skilled in the art can be used for granulating. In the present invention, the time for the granulation is preferably 9 to 11min, and the temperature is preferably 110 to 120 ℃.
In the present invention, the bench pressure of the IP injection foaming is preferably 110kg/cm2～130kg/cm2More preferably 120kg/cm2The operation time is preferably 40s to 60s, more preferably 50 s; the mold temperature for the IP injection foaming is preferably 168 to 188 ℃, more preferably 173 to 183 ℃, and the vulcanization time is preferably 250 to 270s, more preferably 260 s.
The preparation method provided by the invention has the advantages of simple process steps and low manufacturing cost, and is suitable for large-scale industrial production, so that the preparation method has wide market prospect.
The invention provides a CPE modified outsole material capable of contacting ground, which is prepared from the following raw materials: 30-45 parts of polyethylene; 20-30 parts by weight of EVA; CPE20 weight portions to 35 weight portions; 0.5 to 1.5 parts by weight of a crosslinking agent; 0.01 to 0.1 weight part of antioxidant; 7-10 parts by weight of filler; 0.3 to 1 part by weight of polydimethylsiloxane; 0.1 to 0.7 weight part of zinc stearate. Compared with the prior art, the touchable CPE modified outsole material provided by the invention adopts specific content components, so that better interaction is realized, the prepared touchable CPE modified outsole material has light weight, flexibility, skid resistance and wear resistance, and the problem of rubber ozone can be avoided.
In addition, the preparation method provided by the invention has the advantages of simple process steps and low manufacturing cost, and is suitable for large-scale industrial production, so that the preparation method has wide market prospect.
To further illustrate the present invention, the following examples are provided for illustration. The raw materials used in the following examples and comparative examples of the present invention are commercially available; wherein Polyethylene (PE) is provided by MB9230/LG chemistry; ethylene-vinyl acetate copolymer (EVA) having a VA molar content of 25% and a 200 ℃/5kg melt index of 25g/10min, provided by 7360M/Taiwan plastics; CPE fixed value 135B, provided by maritime chemistry; di-tert-butyl peroxyisopropylbenzene (BIPB) is supplied by akma; the n-octadecyl beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate (antioxidant 1076) is a BASF 1076 antioxidant BASF Irganox 1076 antioxidant; hydrated magnesium silicate is provided by Shanghai Shunhydration Co., Ltd.; the polydimethylsiloxane is Dow Corning PMX-200 silicone oil polydimethylsiloxane CAS: 9006-65-9 is colorless; polydimethylsiloxane is supplied by En chemical Co., Ltd, Anhui.
Examples 1 to 3 and comparative examples 1 to 2
(1) The formula comprises the following components:
referring to Table 1, Table 1 shows the formulation compositions of examples 1-3 and comparative examples 1-2.
TABLE 1 formulation compositions of examples 1-3 and comparative examples 1-2
(2) The preparation method comprises the following steps:
mixing PE, EVA and CPE for 10min at 115 +/-5 ℃, adding BIPB, antioxidant 1076, hydrated magnesium silicate, polydimethylsiloxane and zinc stearate, banburying for 5min at 125 +/-5 ℃, and discharging; then pouring the mixed material into a granulator for granulation, wherein the granulation time is 9-11 min and the temperature is 115 +/-5 ℃; and then putting the granulated material into a mould for IP injection foaming, wherein the pressure of a machine table is as follows: 120kg/cm2The operation time is 50 s; the temperature of the die is as follows: 178 + -5 ℃, the vulcanization time is: 260 s; a touchable CPE modified outsole material was obtained.
The touchable CPE modified outsole materials provided in examples 1-3 and the outsole materials provided in comparative examples 1-2 were tested for their respective properties, and the results are shown in table 2.
TABLE 2 Performance data for touchable CPE-modified outsole materials provided in examples 1-3 and outsole materials provided in comparative examples 1-2
As can be seen from table 2, the CPE modified outsole material that can be touched ground provided by the present invention solves the problems of light weight and excellent properties of rubber foaming of the conventional outsole material, solves the problems of slippery and soft touch and the problem of rubber ozone in the general EVA, and can avoid the problem of rubber ozone.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A touchable CPE modified outsole material is prepared from the following raw materials:
30-45 parts of polyethylene;
20-30 parts by weight of EVA;
20-35 parts by weight of CPE;
0.5 to 1.5 parts by weight of a crosslinking agent;
0.01 to 0.1 weight part of antioxidant;
7-10 parts by weight of filler;
0.3 to 1 part by weight of polydimethylsiloxane;
0.1 to 0.7 weight part of zinc stearate.
2. The touchable CPE modified outsole material of claim 1, wherein the polyethylene is selected from low density polyethylene and/or linear low density polyethylene.
3. The touchable CPE modified outsole material of claim 1, wherein the EVA has a molar VA content of 20-40% and a 200 ℃/5kg melt index of 20-30 g/10 min.
4. A touchable CPE modified outsole material as claimed in claim 1, wherein the CPE is a thermoplastic elastomer prepared by chlorination of polyethylene as a starting material.
5. The touchable CPE modified outsole material of claim 1, wherein the crosslinker is di-t-butylperoxycumene.
6. The touchable CPE modified outsole material of claim 1, wherein the antioxidant is selected from antioxidant 1076 and/or antioxidant 246.
7. The touchable CPE modified outsole material of claim 1, wherein the filler is talc.
8. A method of making a touchable CPE modified outsole material according to any one of claims 1 to 7, comprising the steps of:
polyethylene, EVA, CPE, a cross-linking agent, an antioxidant, a filler, polydimethylsiloxane and zinc stearate are mixed and then banburied, and then granulation and IP ejection foaming are carried out to obtain the CPE modified outsole material capable of contacting the ground.
9. The preparation method according to claim 8, wherein the mixing process after blending the polyethylene, the EVA, the CPE, the crosslinking agent, the antioxidant, the filler, the polydimethylsiloxane and the zinc stearate comprises the following specific steps:
mixing polyethylene, EVA and CPE for 8-12 min at 105-125 ℃, adding a cross-linking agent, an antioxidant, a filler, polydimethylsiloxane and zinc stearate, banburying for 3-7 min at 120-130 ℃, and discharging.
10. The method as claimed in claim 8, wherein the bench pressure of the IP injection foaming is 110kg/cm2～130kg/cm2The operation time is 40-60 s; the mold temperature is 168-188 ℃, and the vulcanizing time is 250-270 s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110389358.8A CN113105684A (en) | 2021-04-12 | 2021-04-12 | CPE (chlorinated polyethylene) modified outsole material capable of touching ground and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110389358.8A CN113105684A (en) | 2021-04-12 | 2021-04-12 | CPE (chlorinated polyethylene) modified outsole material capable of touching ground and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113105684A true CN113105684A (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110389358.8A Pending CN113105684A (en) | 2021-04-12 | 2021-04-12 | CPE (chlorinated polyethylene) modified outsole material capable of touching ground and preparation method thereof |
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| CN106317662A (en) * | 2016-08-19 | 2017-01-11 | 许文谈 | Ultra-light wear-resistant anti-skidding shoe sole and preparation method thereof |
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| EP1449876A1 (en) * | 2003-02-20 | 2004-08-25 | Nmc S.A. | Highly flexible polyolefin foam containing chlorinated polyethylene |
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| CN104277316A (en) * | 2014-08-07 | 2015-01-14 | 茂泰(福建)鞋材有限公司 | Antiskid EVA sole and preparation method thereof |
| CN106317662A (en) * | 2016-08-19 | 2017-01-11 | 许文谈 | Ultra-light wear-resistant anti-skidding shoe sole and preparation method thereof |
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