CN107163479A - Composite EVA material for slipper manufacturing and preparation method thereof - Google Patents
Composite EVA material for slipper manufacturing and preparation method thereof Download PDFInfo
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- CN107163479A CN107163479A CN201710514870.4A CN201710514870A CN107163479A CN 107163479 A CN107163479 A CN 107163479A CN 201710514870 A CN201710514870 A CN 201710514870A CN 107163479 A CN107163479 A CN 107163479A
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- 239000000463 material Substances 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000002131 composite material Substances 0.000 title abstract description 6
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000005187 foaming Methods 0.000 claims abstract description 22
- 239000004088 foaming agent Substances 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 19
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000011787 zinc oxide Substances 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims description 22
- 239000003607 modifier Substances 0.000 claims description 18
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 7
- 238000004513 sizing Methods 0.000 claims description 7
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000010009 beating Methods 0.000 abstract 1
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 35
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 35
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 11
- 239000011701 zinc Substances 0.000 description 11
- 229910052725 zinc Inorganic materials 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 238000004132 cross linking Methods 0.000 description 6
- 238000007792 addition Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 206010000269 abscess Diseases 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- ROGIWVXWXZRRMZ-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1 ROGIWVXWXZRRMZ-UHFFFAOYSA-N 0.000 description 1
- VSKJLJHPAFKHBX-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 VSKJLJHPAFKHBX-UHFFFAOYSA-N 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue 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
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B1/00—Footwear characterised by the material
- A43B1/14—Footwear characterised by the material made of plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
- B29B7/005—Methods for mixing in batches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention discloses a composite EVA material for manufacturing slippers and a preparation method thereof, and relates to the technical field of foaming materials, wherein the composite EVA material for manufacturing the slippers comprises the following raw materials: EVA; thermoplastic elastomeric styrene-isoprene-styrene block copolymers; a crosslinking agent; a foaming agent; zinc oxide; POE; maleic anhydride parts; a cell regulator. The preparation method comprises the following preparation steps: (1) selecting partial materials, putting the partial materials into an open mill for beating, and then preparing the mixed materials into foaming master batches by using an extruder; (2) putting the foaming master batch into an internal mixer for mixing; (3) foaming is carried out; (4) and (6) granulating. The composite EVA material for manufacturing the slippers has small abrasion loss, the abrasion resistance and the elasticity of the foaming material are both obviously improved, and the performance of the material in use is improved.
Description
Technical field
The present invention relates to expanded material technical field, more particularly to a kind of compound EVA material manufactured for slippers and its
Preparation method.
Background technology
Ethene-vinyl acetate copolymer (Ethylene-Vinyl Acetate, EVA) product of rubber and plastic is novel environment friendly plastics
Packaging material, has the advantages that good buffering, antidetonation, heat-insulated, moistureproof, anti-ecsomatics corrode, and tool is nontoxic, do not absorb water.EVA rubbers
Modeling product can be shaped through design, and its shockproof properties meets environmental protection better than conventional packaging materials such as polystyrene (foam)
It is required that, it is the optimal selection of exported product.It can cut, be molded relative to Shockproof packaging；Because density variation is larger, can also have
More extensive purposes.It is widely used in foaming shoe material, functional greenhouse film, packaging film, PUR, electric wire and toy etc.
Field.But, due to ethylene-vinyl acetate copolymer foamed rate it is high when, material deformation is big, and mechanical property is remarkably decreased, and still
Exist wearability, elasticity, adhesion and with the defect such as the compatibilities of other materials is poor, greatly reduce its usability
Can, therefore, the more excellent ethylene-vinyl acetate copolymer foamed material of exploitation performance has great importance.
The content of the invention
The problem to be solved in the present invention is to provide a kind of raising expanded material wearability, improves expanded material elasticity, improves
Compound EVA material for being used for slippers manufacture of materials'use performance and preparation method thereof.Therefore, now proposing following technical scheme：
The present invention provides a kind of compound EVA material manufactured for slippers, includes the raw material of following mass parts：EVA30-40
Part；55-60 parts of thermoplastic elastomer SIS；0.75-0.9 parts of crosslinking agent；Foaming agent
2.8-3 part；0.8-1.0 parts of zinc oxide；POE12-18 parts；9-10 parts of maleic anhydride；5-7 parts of cell modifiers.
Further improvement of these options, includes the raw material of following mass parts：EVA35 parts；Thermoplastic elastomer styrene-
58 parts of isoprene-styrene block copolymer；0.8 part of crosslinking agent；2.8 parts of foaming agent；0.9 part of zinc oxide；POE16 parts；Horse
Carry out 9.5 parts of acid anhydrides；6 parts of cell modifiers.
The present invention is also provided is used for the preparation method for the compound EVA material that slippers are manufactured, bag described in a kind of such scheme
Include following steps：
(1) according to proportioning by EVA, thermoplastic elastomer SIS, foaming agent, oxygen
Change zinc, POE and maleic anhydride to be put into mill and carry out dnockout, mixing material is then extruded into hair with double screw extruder
Steep master batch；
(2) foaming master batch, crosslinking agent and the cell modifiers in step (1) are placed in banbury according to proportioning and carried out
Mixing, mixing time is 15-25min, and temperature is 90-100 DEG C；
(3) the obtained mixture in step (2) is put into vulcanizer and carries out moulded from foam, blowing temperature is 165-
185 DEG C, foamed time is 12-15min, and 24h is then placed at room temperature, is cooled to sizing, and carry out sanction sample.
(4) material cut out after sample is put into extruder to be granulated.
Further improvement of these options, in step (1), the disk roller temperature of mill is 80-100 DEG C, and roll spacing is
0.4-0.6mm。
Further improvement of these options, in step (1), the grafting rate of the maleic anhydride is 1%-1.5%.
Further improvement of these options, in step (4), the operating temperature of the extruder is 80-150 DEG C.
Compared with prior art, the beneficial effects of the present invention are：
(1) present invention adds thermoplastic elastomer SIS (SIS), with rubber
There is good elasticity under the property of glue and plastics, normal temperature, add SIS in EVA expanded materials, can effectively improve expanded material
Elasticity, screen resilience then increases with the increase of SIS consumptions, and the density ratio EVA for the POE materials that it is possible to additionally incorporate is smaller, segment
Softness, POE addition improves whole system foaming effect, so with the increase of POE additions, the density of material reduces,
Hardness declines, good with EVA compatibilities along with POE molecular sequences are evenly distributed, and POE is added after EVA, POE strand crosslinking
After can absorb energy, be improved composite foam material resilience and elongation at break, correspondingly compression set
Slightly diminish, make it have higher wearability.
(2) cell modifiers that the present invention is added make cell density become big, and cell diameter diminishes and abscess is more uniform, from
And the abrasion loss of material is reduced, its wearability is improved, the ZnO that it is possible to additionally incorporate can effectively lower the decomposition temperature of foaming agent,
The decomposition rate of adjustment crosslinking rate and foaming agent matches, so as to obtain the uniform fine and closely woven expanded material of air hole structure.Simultaneously
The acidity in whole system can be neutralized, prevents that the acidity of system is too strong, causes crosslinking agent to occur acid poisoning, make reactive radical species
It is transferred, so as to delay crosslinking, harmful effect is produced to elasticity and compressive deformation.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, is expanded on further the present invention.
Embodiment 1
The present embodiment provides a kind of compound EVA material manufactured for slippers, includes the raw material of following mass parts：EVA30
Part；55 parts of thermoplastic elastomer SIS；0.75 part of crosslinking agent；2.8 parts of foaming agent；Oxygen
Change 0.8 part of zinc；POE12 parts；9 parts of maleic anhydride；5 parts of cell modifiers.
The present embodiment is also provided is used for the preparation method for the compound EVA material that slippers are manufactured described in a kind of such scheme,
Comprise the following steps：
(1) according to proportioning by EVA, thermoplastic elastomer SIS, foaming agent, oxygen
Change zinc, POE and maleic anhydride to be put into mill and carry out dnockout, wherein the disk roller temperature of mill is 80 DEG C, roll spacing is
0.4mm, the grafting rate of the maleic anhydride is 1%；Then mixing material is extruded into foaming master batch with double screw extruder；
(2) foaming master batch, crosslinking agent and the cell modifiers in step (1) are placed in banbury according to proportioning and carried out
Mixing, mixing time is 15min, and temperature is 90 DEG C；
(3) the obtained mixture in step (2) is put into vulcanizer and carries out moulded from foam, blowing temperature is 165 DEG C,
Foamed time is 12min, and 24h is then placed at room temperature, is cooled to sizing, and carry out sanction sample.
(4) material of cooling and shaping is put into extruder to be granulated, wherein the operating temperature of the extruder is 80 DEG C.
Embodiment 2
The present embodiment provides a kind of compound EVA material manufactured for slippers, includes the raw material of following mass parts：EVA32
Part；56 parts of thermoplastic elastomer SIS；0.77 part of crosslinking agent；2.8 parts of foaming agent；Oxygen
Change 0.85 part of zinc；POE14 parts；9.3 parts of maleic anhydride；5.5 parts of cell modifiers.
The present embodiment is also provided is used for the preparation method for the compound EVA material that slippers are manufactured described in a kind of such scheme,
Comprise the following steps：
(1) according to proportioning by EVA, thermoplastic elastomer SIS, foaming agent, oxygen
Change zinc, POE and maleic anhydride to be put into mill and carry out dnockout, wherein the disk roller temperature of mill is 85 DEG C, roll spacing is
0.45mm, the grafting rate of the maleic anhydride is 1.1%；Then mixing material is extruded into foaming with double screw extruder female
Grain；
(2) foaming master batch, crosslinking agent and the cell modifiers in step (1) are placed in banbury according to proportioning and carried out
Mixing, mixing time is 18min, and temperature is 93 DEG C；
(3) the obtained mixture in step (2) is put into vulcanizer and carries out moulded from foam, blowing temperature is 170 DEG C,
Foamed time is 12min, and 24h is then placed at room temperature, is cooled to sizing, and carry out sanction sample.
(4) material of cooling and shaping is put into extruder to be granulated, wherein the operating temperature of the extruder is 100
℃。
Embodiment 3
The present embodiment provides a kind of compound EVA material manufactured for slippers, includes the raw material of following mass parts：EVA35
Part；58 parts of thermoplastic elastomer SIS；0.8 part of crosslinking agent；2.8 parts of foaming agent；Oxygen
Change 0.9 part of zinc；POE16 parts；9.5 parts of maleic anhydride；6 parts of cell modifiers.
The present embodiment is also provided is used for the preparation method for the compound EVA material that slippers are manufactured described in a kind of such scheme,
Comprise the following steps：
(1) according to proportioning by EVA, thermoplastic elastomer SIS, foaming agent, oxygen
Change zinc, POE and maleic anhydride to be put into mill and carry out dnockout, wherein the disk roller temperature of mill is 90 DEG C, roll spacing is
0.5mm, the grafting rate of the maleic anhydride is 1.2%；Then mixing material is extruded into foaming master batch with double screw extruder；
(2) foaming master batch, crosslinking agent and the cell modifiers in step (1) are placed in banbury according to proportioning and carried out
Mixing, mixing time is 20min, and temperature is 95 DEG C；
(3) the obtained mixture in step (2) is put into vulcanizer and carries out moulded from foam, blowing temperature is 175 DEG C,
Foamed time is 13min, and 24h is then placed at room temperature, is cooled to sizing, and carry out sanction sample.
(4) material of cooling and shaping is put into extruder to be granulated, wherein the operating temperature of the extruder is 120
℃。
Embodiment 4
The present embodiment provides a kind of compound EVA material manufactured for slippers, includes the raw material of following mass parts：EVA38
Part；59 parts of thermoplastic elastomer SIS；0.85 part of crosslinking agent；2.9 parts of foaming agent；Oxygen
Change 0.9 part of zinc；POE17 parts；9.8 parts of maleic anhydride；6.5 parts of cell modifiers.
The present embodiment is also provided is used for the preparation method for the compound EVA material that slippers are manufactured described in a kind of such scheme,
Comprise the following steps：
(1) according to proportioning by EVA, thermoplastic elastomer SIS, foaming agent, oxygen
Change zinc, POE and maleic anhydride to be put into mill and carry out dnockout, wherein the disk roller temperature of mill is 95 DEG C, roll spacing is
0.55mm, the grafting rate of the maleic anhydride is 1.4%；Then mixing material is extruded into foaming with double screw extruder female
Grain；
(2) foaming master batch, crosslinking agent and the cell modifiers in step (1) are placed in banbury according to proportioning and carried out
Mixing, mixing time is 22min, and temperature is 98 DEG C；
(3) the obtained mixture in step (2) is put into vulcanizer and carries out moulded from foam, blowing temperature is 180 DEG C,
Foamed time is 14min, and 24h is then placed at room temperature, is cooled to sizing, and carry out sanction sample.
(4) material of cooling and shaping is put into extruder to be granulated, wherein the operating temperature of the extruder is 135
℃。
Embodiment 5
The present embodiment provides a kind of compound EVA material manufactured for slippers, includes the raw material of following mass parts：EVA40
Part；60 parts of thermoplastic elastomer SIS；0.9 part of crosslinking agent；3 parts of foaming agent；Oxidation
1.0 parts of zinc；POE18 parts；10 parts of maleic anhydride；7 parts of cell modifiers.
The present embodiment is also provided is used for the preparation method for the compound EVA material that slippers are manufactured described in a kind of such scheme,
Comprise the following steps：
(1) according to proportioning by EVA, thermoplastic elastomer SIS, foaming agent, oxygen
Change zinc, POE and maleic anhydride to be put into mill and carry out dnockout, wherein the disk roller temperature of mill is 100 DEG C, roll spacing is
0.6mm, the grafting rate of the maleic anhydride is 1.5%；Then mixing material is extruded into foaming master batch with double screw extruder；
(2) foaming master batch, crosslinking agent and the cell modifiers in step (1) are placed in banbury according to proportioning and carried out
Mixing, mixing time is 25min, and temperature is 100 DEG C；
(3) the obtained mixture in step (2) is put into vulcanizer and carries out moulded from foam, blowing temperature is 185 DEG C,
Foamed time is 15min, and 24h is then placed at room temperature, is cooled to sizing, and carry out sanction sample.
(4) material of cooling and shaping is put into extruder to be granulated, wherein the operating temperature of the extruder is 150
℃。
Table 1 is the product reduced parameter table of the compound EVA material prepared by above-described embodiment：
Particular product performance parameters table prepared by each embodiment of table 1
It can obtain from upper table, thermoplastic elastomer styrene-isoprene-phenylethene block added in the above-described embodiments
Copolymer (SIS), with the property of rubber and plastics, has good elasticity under normal temperature, SIS is added in EVA expanded materials,
The elasticity of expanded material can be effectively improved, screen resilience then increases, the POE materials that it is possible to additionally incorporate with the increase of SIS consumptions
Density ratio EVA it is smaller, segment is soft, while POE addition improves whole system foaming effect, so as POE is added
The increase of amount, the density of material reduces, and hardness declines.It is good with EVA compatibilities along with POE molecular sequences are evenly distributed, POE
Add after EVA, can absorb energy after POE strand crosslinking, obtain composite foam material resilience and elongation at break
Improve, correspondingly compression set also slightly diminishes, and makes it have higher wearability, the cell modifiers of addition make abscess
Density becomes big, and cell diameter diminishes and abscess is more uniform, so as to reduce the abrasion loss of material, improves its wearability, in addition
The ZnO of addition can effectively lower the decomposition temperature of foaming agent, and the decomposition rate for adjusting crosslinking rate and foaming agent matches, from
And obtain the uniform fine and closely woven expanded material of air hole structure.The acidity in whole system can be neutralized simultaneously, the acidity of system is prevented
It is too strong, cause crosslinking agent to occur acid poisoning, be transferred reactive radical species, so as to delay crosslinking, to elasticity and compressive deformation
Produce harmful effect.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will all fall in scope of the presently claimed invention.
Claims (6)
1. a kind of compound EVA material manufactured for slippers, it is characterised in that include the raw material of following mass parts：EVA30-40
Part；55-60 parts of thermoplastic elastomer SIS；0.75-0.9 parts of crosslinking agent；Foaming agent
2.8-3 part；0.8-1.0 parts of zinc oxide；POE12-18 parts；9-10 parts of maleic anhydride；5-7 parts of cell modifiers.
2. a kind of compound EVA material manufactured for slippers according to claim 1, it is characterised in that including following matter
Measure the raw material of part：EVA35 parts；58 parts of thermoplastic elastomer SIS；Crosslinking agent 0.8
Part；2.8 parts of foaming agent；0.9 part of zinc oxide；POE16 parts；9.5 parts of maleic anhydride；6 parts of cell modifiers.
3. a kind of preparation method of the compound EVA material as claimed in claim 1 or 2 manufactured for slippers, it is characterised in that
Comprise the following steps：
According to above-mentioned raw materials proportioning by EVA, thermoplastic elastomer SIS, foaming
Agent, zinc oxide, POE and maleic anhydride, which are put into mill, carries out dnockout, is then squeezed mixing material with double screw extruder
Go out into foaming master batch；
According to proportioning by step（1）In foaming master batch, crosslinking agent and cell modifiers be placed in banbury and kneaded, obtain
Mixture, mixing time is 15-25min, and temperature is 90-100 DEG C；
By step（2）In obtained mixture be put into vulcanizer and carry out moulded from foam, blowing temperature is 165-185 DEG C, foaming
Time is 12-15min, and 24h is then placed at room temperature, is cooled to sizing, and carry out sanction sample；
The material cut out after sample is put into extruder to be granulated.
4. a kind of preparation method of compound EVA material manufactured for slippers according to claim 3, it is characterised in that：
In step（1）In, the disk roller temperature of mill is 80-100 DEG C, and roll spacing is 0.4-0.6mm.
5. a kind of preparation method of compound EVA material manufactured for slippers according to claim 3, it is characterised in that：
In step（1）In, the grafting rate of the maleic anhydride is 1%-1.5%.
6. a kind of preparation method of compound EVA material manufactured for slippers according to claim 3, it is characterised in that：
In step（4）In, the operating temperature of the extruder is 80-150 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514870.4A CN107163479A (en) | 2017-06-29 | 2017-06-29 | Composite EVA material for slipper manufacturing and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514870.4A CN107163479A (en) | 2017-06-29 | 2017-06-29 | Composite EVA material for slipper manufacturing and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107163479A true CN107163479A (en) | 2017-09-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710514870.4A Pending CN107163479A (en) | 2017-06-29 | 2017-06-29 | Composite EVA material for slipper manufacturing and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054832A (en) * | 2019-05-08 | 2019-07-26 | 福建五持恒科技发展有限公司 | Ultralight graphene rubber pange insole and preparation method thereof |
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| CN104277315A (en) * | 2014-07-10 | 2015-01-14 | 茂泰(福建)鞋材有限公司 | Preparation method of polycarbonate-containing rubber foaming material |
| CN104559843A (en) * | 2014-12-31 | 2015-04-29 | 广州鹿山新材料股份有限公司 | Hot melt adhesive film for adhering rubber/foamed EVA (ethylene-vinyl acetate copolymer) composite sole and preparation method thereof |
| CN105086497A (en) * | 2015-09-10 | 2015-11-25 | 温岭市东亚塑胶有限公司 | Granular material for manufacturing flexible, high-elastic and abrasion-proof foamed sole and production technology thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104277315A (en) * | 2014-07-10 | 2015-01-14 | 茂泰(福建)鞋材有限公司 | Preparation method of polycarbonate-containing rubber foaming material |
| CN104559843A (en) * | 2014-12-31 | 2015-04-29 | 广州鹿山新材料股份有限公司 | Hot melt adhesive film for adhering rubber/foamed EVA (ethylene-vinyl acetate copolymer) composite sole and preparation method thereof |
| CN105086497A (en) * | 2015-09-10 | 2015-11-25 | 温岭市东亚塑胶有限公司 | Granular material for manufacturing flexible, high-elastic and abrasion-proof foamed sole and production technology thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110054832A (en) * | 2019-05-08 | 2019-07-26 | 福建五持恒科技发展有限公司 | Ultralight graphene rubber pange insole and preparation method thereof |
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Application publication date: 20170915 |