CN104974411A - EVA material foamed product and formula and production process thereof - Google Patents
EVA material foamed product and formula and production process thereof Download PDFInfo
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- CN104974411A CN104974411A CN201510393903.5A CN201510393903A CN104974411A CN 104974411 A CN104974411 A CN 104974411A CN 201510393903 A CN201510393903 A CN 201510393903A CN 104974411 A CN104974411 A CN 104974411A
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- 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
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
-
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to an EVA material foamed product and a formula and a production process thereof. The EVA material foamed product has the thickness of not less than 80 mm, the weight of not less than 800 grams and the density in the range of 0.15-0.25 g/cm<3>. The formula of the EVA material foamed product comprises the components by weight: 60 parts-70 parts of EVA, 25 parts-35 parts of polyethylene, 1 part-5 parts of light calcium carbonate, 10 parts-15.0 parts of zinc oxide, 0.75 part-0.85 part of stearic acid, 0.30 part-0.60 part of zinc stearate, 0.05 part-0.25 part of an aging accelerator, 0.75 part-0.90 part of dicumyl peroxide, 2.5 parts-3.5 parts of a heat-release type foaming agent, and 1.50 parts-4.00 parts of a heat-absorption type foaming agent. The production process of the foamed product comprises the steps of internal mixing, open mixing, granulating, plasticizing, foaming molding and processing and sizing; the obtained product has the advantages of low density, environmental-protection formula, and simple and fast production process.
Description
Technical field
The present invention relates to a kind of EVA material foamed products and formula thereof and manufacture craft.
Background technology
EVA is ethane-acetic acid ethyenyl (vinyl acetate between to for plastic) ester copolymer, it is obtained by ethene and vinyl acetate copolymerization, EVA owing to introducing Vinyl Acetate Monomer in molecular chain, have greatly improved so EVA compares PE at aspect of performance, such as EVA has better snappiness, shock resistance, filler consistency and heat seal performance, just because of EVA has these good performances, so it is widely used in foaming shoe material, functional greenhouse film, packing film, hot melt adhesive, the field such as electric wire and toy, wherein foaming shoe material is the topmost Application Areas of China's EVA resin, because the blended foaming product of EVA resin has softness, good springiness, the performances such as resistance to chemical attack, therefore medium-to-high grade sneakers is widely used in, climbing boot, in the materials such as slippers, but along with the progress of society, the requirement of people to quality of the life is more and more higher, people wish to put on more soft, light, environmentally friendly shoes, but existing EVA foam material can not meet people's needs, the little not and not environmental protection of its density, in addition, in order to adapt with the Material Field of high speed development, material produce person wishes that the production technique of material can be quick, convenient, easy to operate, thus reaches the maximization of profit, in sum, be necessary the formula designing a kind of EVA material foamed products, the EVA material foamed products obtained is made to have the advantages such as density is little, environmental protection, good stability, need the manufacture craft developing a kind of EVA material foamed products simultaneously, make the production of EVA material foamed products become quicker, convenient.
Summary of the invention
The object of this invention is to provide a kind of thickness and be not less than 80mm, weight is not less than 800 grams, and density is at 0.15-0.25g/cm
3between low density, environmental protection, the formula of EVA material foamed products of good stability and manufacture craft thereof.
The present invention is achieved in that
A kind of EVA material foamed products, it is characterized in that: the thickness of described EVA material foamed products is not less than 80mm, and weight is not less than 800 grams, the density range value of described EVA material foamed products is 0.15-0.25g/cm
3.
A kind of formula of EVA material foamed products, it is characterized in that: calculate with weight ratio, ethylene-vinyl acetate copolymer 60 parts-70 parts, polyethylene 25 parts-35 parts, fine particle calcium carbonate 1 part-5 parts, zinc white 10 parts-15.0 parts, stearic acid 0.75 part-0.85 part, Zinic stearas 0.30 part-0.60 part, soon ripe dose 0.05 part-0.25 part, dicumyl peroxide 0.75 part-0.90 part, heat release type whipping agent 2.5 parts-3.5 parts, endothermic blowing agent 1.50 parts-4.00 parts.
Calculate with weight ratio, ethylene-vinyl acetate copolymer 65 parts, polyethylene 30 parts, fine particle calcium carbonate 5 parts, zinc white 15 parts, stearic acid 0.80 part, Zinic stearas 0.50 part, soon ripe dose 0.20 part, dicumyl peroxide (DCP bridge formation auxiliary agent) 0.80 part, heat release type whipping agent 3.0 parts, endothermic blowing agent 2.00 parts.
Described heat release type whipping agent is Cellmic C 121 (AC whipping agent).
Described endothermic blowing agent is supercarbonate compounds, such as sodium bicarbonate or saleratus.
Described ripe soon dose is triallyl cyanurate (TAC/GR50 bridge formation auxiliary agent).
Described zinc white is 10-15 times of zinc white in regular convention formula, and a large amount of use zinc white can reduce blowing temperature and play energy-conservation rapid shaping effect, so effectively can reduce energy consumption, minimizing molding time, reduction manufacturing cost.
EVA material foamed products a manufacture craft, it is characterized in that: it comprises the following steps:
Step 1: ethylene-vinyl acetate copolymer, polyethylene, fine particle calcium carbonate, zinc white, stearic acid, Zinic stearas, soon ripe dose, dicumyl peroxide, endothermic blowing agent, heat release type whipping agent are added mix and blend in Banbury mixer, then under temperature 80-90 DEG C of state by the material that is stirred through Banbury mixer banburying after 8 ~ 10 minutes, be put in mill after carrying out even compressing tablet and carry out granulation again, wherein mixing temperature control within the scope of 50 ~ 60 DEG C, open refining time controling within the scope of 5 ~ 8 minutes, prilling temperature controls within the scope of 85 ~ 95 DEG C.
Step 2: carry out plasticizing processing by the barrel of material good for above granulation input screw-type injection machine, temperature controls within the scope of 80 ~ 90 DEG C;
Step 3: the Material injection plastified is heated in the mould thoracic cavity vacuumized, wherein injection pressure is not less than 65MPa, injection speed is not less than 200mm/s, and temperature controls within the scope of 170 ~ 180 DEG C, and warm-up time controls within the scope of 400s-1200s.
Step 4: then high speed die sinking allows the outer foaming of product mould, and opening speed is not less than 350mm/s;
Step 5: the EVA foaming product after shaping is sent into the temperature constant temperature conveying belt controlled within the scope of 50 ~ 60 DEG C and heat-treat and shape.
The present invention has the following advantages: the EVA material foamed products 1) utilizing the formula of EVA material foamed products of the present invention to obtain has the little advantage of density, and its density is 0.15-0.25g/cm
3, therefore can this EVA material foamed products be applied in shoe-making field, make the footwear obtained have light feature.2) the EVA material foamed products utilizing the formula of EVA material foamed products of the present invention to obtain also has the advantage of stable performance.3) formula of EVA material foamed products of the present invention is mostly environment-friendly type raw material and the product obtained easily is degraded, and therefore the present invention also has the advantage of environmental protection.4) formula of EVA material foamed products of the present invention adopts heat absorbing type, heat release type whipping agent used in combination, make that the EVA material foamed products abscess that obtains is finer and smoother evenly, surface is more smooth, foaming heat radiation sizing is faster, is conducive to the control of the technological process of EVA material foamed products simultaneously.5) the present invention adopts the manufacture craft of the outer foaming of mould, the manufacture craft of this EVA material foamed products is become simply, quick.6) EVA formula zinc white deal of the present invention large (being usually fill a prescription 10-15 doubly), zinc white can reduce blowing temperature and play energy-conservation rapid shaping effect, so formula of the present invention effectively can reduce energy consumption, reduces molding time, reduce manufacturing cost.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
A kind of EVA material foamed products, the thickness of described EVA material foamed products is not less than 80mm, and weight is not less than 800 grams, and the density range value of described EVA material foamed products is 0.15-0.25g/cm
3.
Embodiment one
A manufacture craft for EVA material foamed products, it comprises the following steps:
Step 1: calculate with weight ratio: by 60 parts of ethylene-vinyl acetate copolymers, 35 parts of polyethylene, 1 part of fine particle calcium carbonate, 10 parts of zinc whites, 0.75 part of stearic acid, 0.6 part of Zinic stearas, 0.05 part of triallyl cyanurate, 0.90 part of dicumyl peroxide, 2.5 parts of Cellmic C 121s, 4 parts of sodium bicarbonates add mix and blend in Banbury mixer, then under temperature 80 DEG C of states by the material that is stirred through Banbury mixer banburying after 10 minutes, be put in mill after carrying out even compressing tablet and carry out granulation again, wherein mixing temperature controls at 50 DEG C, open refining time controling at 8 minutes, prilling temperature controls at 85 DEG C.
Step 2: carry out plasticizing processing by the barrel of material good for above granulation input screw-type injection machine, temperature controls at 90 DEG C;
Step 3: heated in the mould thoracic cavity vacuumized by the Material injection plastified, wherein injection pressure is 65MPa, and injection speed is 200mm/s, and temperature controls at 170 DEG C, and warm-up time controls at 1200s.Step 4: then high speed die sinking allows the outer foaming of product mould, and opening speed is 350mm/s;
Step 5: the EVA foaming product feeding temperature after shaping is controlled to heat-treat at the constant temperature conveying belt of 50 DEG C to shape.
Embodiment two
A manufacture craft for EVA material foamed products, it comprises the following steps:
Step 1: calculate with weight ratio: by 65 parts of ethylene-vinyl acetate copolymers, 30 parts of polyethylene, 5 parts of fine particle calcium carbonates, 15 parts of zinc whites, 0.80 part of stearic acid, 0.50 part of Zinic stearas, 0.20 part of triallyl cyanurate, 0.80 part of dicumyl peroxide, 3.00 part Cellmic C 121, 2.00 parts of sodium bicarbonates add mix and blend in Banbury mixer, then under temperature 85 DEG C of states by the material that is stirred through Banbury mixer banburying after 9 minutes, be put in mill after carrying out even compressing tablet and carry out granulation again, wherein mixing temperature controls at 55 DEG C, open refining time controling at 7 minutes, prilling temperature controls at 90 DEG C.
Step 2: carry out plasticizing processing by the barrel of material good for above granulation input screw-type injection machine, temperature controls at 85 DEG C;
Step 3: heated in the mould thoracic cavity vacuumized by the Material injection plastified, wherein injection pressure is 70MPa, and injection speed is 250mm/s, and temperature controls at 175 DEG C, and warm-up time controls at 800s.Step 4: then high speed die sinking allows the outer foaming of product mould, and opening speed is 400mm/s;
Step 5: the EVA foaming product feeding temperature after shaping is controlled to heat-treat at the constant temperature conveying belt of 55 DEG C to shape.
Embodiment three
A manufacture craft for EVA material foamed products, it comprises the following steps:
Step 1: calculate with weight ratio: by 70 parts of ethylene-vinyl acetate copolymers, 25 parts of polyethylene, 3 parts of fine particle calcium carbonates, 13 parts of zinc whites, 0.85 part of stearic acid, 0.3 part of Zinic stearas, 0.25 part of triallyl cyanurate, 0.75 part of dicumyl peroxide, 3.5 parts of Cellmic C 121s, 1.50 parts of sodium bicarbonates add mix and blend in Banbury mixer, then under temperature 90 DEG C of states by the material that is stirred through Banbury mixer banburying after 8 minutes, be put in mill after carrying out even compressing tablet and carry out granulation again, wherein mixing temperature controls at 60 DEG C, open refining time controling at 5 minutes, prilling temperature controls at 95 DEG C.
Step 2: carry out plasticizing processing by the barrel of material good for above granulation input screw-type injection machine, temperature controls at 80 DEG C;
Step 3: heated in the mould thoracic cavity vacuumized by the Material injection plastified, wherein injection pressure is 80MPa, and injection speed is 300mm/s, and temperature controls at 180 DEG C, and warm-up time controls at 400s.
Step 4: then high speed die sinking allows the outer foaming of product mould, and opening speed is 450mm/s;
Step 5: the EVA foaming product feeding temperature after shaping is controlled to heat-treat at the constant temperature conveying belt of 60 DEG C to shape.
Embodiment four:
A manufacture craft for EVA material foamed products, it comprises the following steps:
Step 1: calculate with weight ratio: by 68 parts of ethylene-vinyl acetate copolymers, 33 parts of polyethylene, 4 parts of fine particle calcium carbonates, 14 parts of zinc whites, 0.82 part of stearic acid, 0.35 part of Zinic stearas, 0.13 part of triallyl cyanurate, 0.85 part of dicumyl peroxide, 2.80 part Cellmic C 121, 1.80 parts of sodium bicarbonates add mix and blend in Banbury mixer, then under temperature 87 DEG C of states by the material that is stirred through Banbury mixer banburying after 8.5 minutes, be put in mill after carrying out even compressing tablet and carry out granulation again, wherein mixing temperature controls at 57 DEG C, open refining time controling at 6.5 minutes, prilling temperature controls at 93 DEG C.
Step 2: carry out plasticizing processing by the barrel of material good for above granulation input screw-type injection machine, temperature controls at 82 DEG C;
Step 3: heated in the mould thoracic cavity vacuumized by the Material injection plastified, wherein injection pressure is 85MPa, and injection speed is 350mm/s, and temperature controls at 173 DEG C, and warm-up time controls at 850s.
Step 4: then high speed die sinking allows the outer foaming of product mould, and opening speed is 500mm/s;
Step 5: the EVA foaming product feeding temperature after shaping is controlled to heat-treat at the constant temperature conveying belt of 53 DEG C to shape.
Embodiment five:
A manufacture craft for EVA material foamed products, it comprises the following steps:
Step 1: calculate with weight ratio: by 63 parts of ethylene-vinyl acetate copolymers, 28 parts of polyethylene, 2 parts of fine particle calcium carbonates, 12 parts of zinc whites, 0.80 part of stearic acid, 0.45 part of Zinic stearas, 0.20 part of triallyl cyanurate, 0.78 part of dicumyl peroxide, 2.7 parts of Cellmic C 121s, 3.0 parts of sodium bicarbonates add mix and blend in Banbury mixer, then under temperature 83 DEG C of states by the material that is stirred through Banbury mixer banburying after 8.2 minutes, be put in mill after carrying out even compressing tablet and carry out granulation again, wherein mixing temperature controls at 53 DEG C, open refining time controling at 7.2 minutes, prilling temperature controls at 90 DEG C.
Step 2: carry out plasticizing processing by the barrel of material good for above granulation input screw-type injection machine, temperature controls at 84 DEG C;
Step 3: heated in the mould thoracic cavity vacuumized by the Material injection plastified, wherein injection pressure is 75MPa, and injection speed is 200mm/s, and temperature controls at 177 DEG C, and warm-up time controls at 950s.
Step 4: then high speed die sinking allows the outer foaming of product mould, and opening speed is 350mm/s;
Step 5: the EVA foaming product feeding temperature after shaping is controlled to heat-treat at the constant temperature conveying belt of 51 DEG C to shape.
Claims (7)
1. an EVA material foamed products, is characterized in that: the thickness of described EVA material foamed products is not less than 80mm, and weight is not less than 800 grams, and the density range value of described EVA material foamed products is 0.15-0.25g/cm
3.
2. the formula of an EVA material foamed products, it is characterized in that: calculate with weight ratio, ethylene-vinyl acetate copolymer 60 parts-70 parts, polyethylene 25 parts-35 parts, fine particle calcium carbonate 1 part-5 parts, zinc white 10 parts-15.0 parts, stearic acid 0.75 part-0.85 part, Zinic stearas 0.30 part-0.60 part, soon ripe dose 0.05 part-0.25 part, dicumyl peroxide 0.75 part-0.90 part, heat release type whipping agent 2.5 parts-3.5 parts, endothermic blowing agent 1.50 parts-4.00 parts.
3. the formula of EVA material foamed products according to claim 2, it is characterized in that: calculate with weight ratio, ethylene-vinyl acetate copolymer 65 parts, polyethylene 30 parts, fine particle calcium carbonate 5 parts, zinc white 15 parts, stearic acid 0.80 part, Zinic stearas 0.50 part, soon ripe dose 0.20 part, dicumyl peroxide 0.80 part, heat release type whipping agent 3.0 parts, endothermic blowing agent 2.00 parts.
4. the formula of the EVA material foamed products according to Claims 2 or 3, is characterized in that: described heat release type whipping agent is Cellmic C 121.
5. the formula of the EVA material foamed products according to Claims 2 or 3, is characterized in that: described endothermic blowing agent is supercarbonate compounds.
6. the formula of the EVA material foamed products according to Claims 2 or 3, is characterized in that: described ripe soon dose is triallyl cyanurate.
7. EVA material foamed products a manufacture craft, it is characterized in that: it comprises the following steps:
Step 1: ethylene-vinyl acetate copolymer, polyethylene, fine particle calcium carbonate, zinc white, stearic acid, Zinic stearas, soon ripe dose, dicumyl peroxide, endothermic blowing agent, heat release type whipping agent are added mix and blend in Banbury mixer, then under temperature 80-90 DEG C of state by the material that is stirred through Banbury mixer banburying after 8 ~ 10 minutes, be put in mill after carrying out even compressing tablet and carry out granulation again, wherein mixing temperature control within the scope of 50 ~ 60 DEG C, open refining time controling within the scope of 5 ~ 8 minutes, prilling temperature controls within the scope of 85 ~ 95 DEG C.
Step 2: carry out plasticizing processing by the barrel of material good for above granulation input screw-type injection machine, temperature controls within the scope of 80 ~ 90 DEG C;
Step 3: the Material injection plastified is heated in the mould thoracic cavity vacuumized, wherein injection pressure is not less than 65MPa, injection speed is not less than 200mm/s, and temperature controls within the scope of 170 ~ 180 DEG C, and warm-up time controls within the scope of 400s-1200s.
Step 4: then high speed die sinking allows the outer foaming of product mould, and opening speed is not less than 350mm/s;
Step 5: the EVA foaming product after shaping is sent into the temperature constant temperature conveying belt controlled within the scope of 50 ~ 60 DEG C and heat-treat and shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510393903.5A CN104974411A (en) | 2015-07-07 | 2015-07-07 | EVA material foamed product and formula and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510393903.5A CN104974411A (en) | 2015-07-07 | 2015-07-07 | EVA material foamed product and formula and production process thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108059764A (en) * | 2018-01-09 | 2018-05-22 | 常州市永丰新材料科技有限公司 | A kind of Antibacterial EVA muting pad and preparation method thereof |
| CN108485108A (en) * | 2018-03-30 | 2018-09-04 | 重庆鸽牌电工材料有限公司 | A kind of injection molding machine PVC foam material and manufacturing method |
| CN110256761A (en) * | 2019-07-03 | 2019-09-20 | 东莞市海纳丝花工艺品有限公司 | A kind of emulation plant and preparation method thereof |
| CN111621140A (en) * | 2020-04-29 | 2020-09-04 | 中设设计集团环境科技有限公司 | Foaming sponge filler and preparation method thereof |
| CN111793263A (en) * | 2020-07-23 | 2020-10-20 | 磁县宝岛塑胶鞋业有限公司 | Rubber-plastic cross-linked foaming heat-preservation packaging box and injection molding process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102888067A (en) * | 2011-07-20 | 2013-01-23 | 中国石油化工集团公司 | Elastic foamed material and preparation method of elastic foamed material |
| CN102924801A (en) * | 2012-10-25 | 2013-02-13 | 陕西科技大学 | Preparation method of composite foamed material |
| CN103483674A (en) * | 2013-09-24 | 2014-01-01 | 吴江市董鑫塑料包装厂 | EVA microporous shoe sole plastic |
-
2015
- 2015-07-07 CN CN201510393903.5A patent/CN104974411A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102888067A (en) * | 2011-07-20 | 2013-01-23 | 中国石油化工集团公司 | Elastic foamed material and preparation method of elastic foamed material |
| CN102924801A (en) * | 2012-10-25 | 2013-02-13 | 陕西科技大学 | Preparation method of composite foamed material |
| CN103483674A (en) * | 2013-09-24 | 2014-01-01 | 吴江市董鑫塑料包装厂 | EVA microporous shoe sole plastic |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108059764A (en) * | 2018-01-09 | 2018-05-22 | 常州市永丰新材料科技有限公司 | A kind of Antibacterial EVA muting pad and preparation method thereof |
| CN108485108A (en) * | 2018-03-30 | 2018-09-04 | 重庆鸽牌电工材料有限公司 | A kind of injection molding machine PVC foam material and manufacturing method |
| CN110256761A (en) * | 2019-07-03 | 2019-09-20 | 东莞市海纳丝花工艺品有限公司 | A kind of emulation plant and preparation method thereof |
| CN111621140A (en) * | 2020-04-29 | 2020-09-04 | 中设设计集团环境科技有限公司 | Foaming sponge filler and preparation method thereof |
| CN111793263A (en) * | 2020-07-23 | 2020-10-20 | 磁县宝岛塑胶鞋业有限公司 | Rubber-plastic cross-linked foaming heat-preservation packaging box and injection molding process |
| CN111793263B (en) * | 2020-07-23 | 2023-05-26 | 磁县宝岛塑胶鞋业有限公司 | Rubber-plastic crosslinked foaming heat-insulating packaging box and injection molding process |
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Application publication date: 20151014 |