CN1982363A - Formula and its production for shock-absorbing EVA foaming sectional material - Google Patents
Formula and its production for shock-absorbing EVA foaming sectional material Download PDFInfo
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- CN1982363A CN1982363A CN 200510130489 CN200510130489A CN1982363A CN 1982363 A CN1982363 A CN 1982363A CN 200510130489 CN200510130489 CN 200510130489 CN 200510130489 A CN200510130489 A CN 200510130489A CN 1982363 A CN1982363 A CN 1982363A
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Abstract
Formula of shock-absorbing EVA foaming sections and its production are disclosed. The formula consists of vinyl-vinyl acetate multi-polymer 30 proportion, styrene-isoprene-styrene block multi-polymer 25 proportion, vinyl-acrylic acid multi-polymer 10 proportion, hydrated magnesium silicate 20 proportion, zinc oxide 1.5 proportion, bridging agent 1.2 proportion, bridging auxiliaries, foaming agent 3.25 proportion and colorant 3 proportion. The process is carried out by blending, internally mixing, open milling, tying to obtain plate and grain, mold pressing or injection mold pressing, grinding while cutting for foaming plate and secondary foaming. It can be used to produce EVA sole.
Description
Technical field
The present invention relates to a kind of shock-absorbing EVA foaming sectional material prescription and manufacture method thereof.
Background technology
Existing EVA foamed profile is generally made by EVA material mixing whipping agent, but existing EVA absorbed vibrating effect is all not good.Existing EVA material making step is;
1, mixing: with EVA material both whipping agent uniform mixing;
2, rolling: compound is rolled into lamellar body;
3, section: lamellar body is cut into equal-sized bulk;
4, foaming: utilize large-sized hydraulic press to foam bulk material and make foam;
5, grinding and cutting: epidermis and cutting are dispeled in the foam surface grinding;
6, hot pressing coldmoulding: with work in-process EVA material put into the sole mould in, utilize High Temperature High Pressure die casting, then cooling forming.
Because existing EVA foamed profile manufacture method is unreasonable, make the absorbing vibration poor effect of the EVA material sole that utilizes existing method manufacturing.
Summary of the invention
At the problems of the prior art and deficiency, the objective of the invention is to propose a kind of shock-absorbing EVA foaming sectional material prescription and manufacture method, can produce the better EVA foamed shoe sole of absorbing vibration effect.
For addressing the above problem, the shock-absorbing EVA foaming sectional material prescription that the present invention proposes comprises following materials in weight portion:
27 ~ 33 parts of ethene-vinyl acetate resin copolymers; 22.5～27.5 parts of styrene isoprene styrene block copolymer (SIS);
9～11 parts of ethylene-acrylic acid copolymers; 18～22 parts of talcum powder; 1.35～1.65 parts in zinc oxide;
1.08～1.32 parts of bridging agents; 0.45～0.55 part of bridge formation auxiliary agent; 2.925～3.575 parts of whipping agents;
2.7～3.3 parts of look mothers.
As preferably, the shock-absorbing EVA foaming sectional material prescription that the present invention proposes comprises following materials in weight portion:
30 parts of ethene-vinyl acetate resin copolymers; 25 parts of styrene isoprene styrene block copolymer (SIS);
10 parts of ethylene-acrylic acid copolymers; 20 parts of talcum powder; 1.5 parts in zinc oxide;
1.2 parts of bridging agents; 0.5 part of bridge formation auxiliary agent; 3.25 parts of whipping agents;
3 parts of looks female.
Wherein, in the described ethylene-vinyl acetate copolymer, the content of vinyl acetate between to for plastic is 18%.
The manufacture method of the shock-absorbing EVA foaming sectional material that the present invention proposes may further comprise the steps:
(1) with ethene-vinyl acetate resin copolymer 30 weight parts, styrene isoprene styrene block copolymer (SIS) 25 weight parts, ethylene-acrylic acid copolymer 10 weight parts, talcum powder 20 weight parts, zinc oxide 1.5 weight parts, bridging agent 1.2 weight parts, bridge formation auxiliary agent 0.5 weight part, whipping agent 3.25 weight parts, look female 3 weight part thorough mixing;
(2) mixture being carried out banburying mixes;
(3) the mixed mixture of banburying is opened the refining remix, and restraint thin, the bundle thickness of thin layer be 1～1.5 millimeter;
(4) step (3) gained mixture is made thickness be 1.2 millimeters sheet material or diameter be 3 millimeters make the material particle;
(5) step (4) gained profiled material is put into press molding machine, under 165 ℃, carried out pressing mold bridge formation foaming 15 minutes, make the thick EVA foaming plate of 20mm, or injection injection compression foaming machine, under 185 ℃, carry out injection compression bridge formation foaming 7 minutes, and made the thick EVA foamed profile finished product of 15mm;
(6) the EVA foaming plate is ground, cuts off processing;
(7) the EVA foaming plate after will processing carries out the secondary mould pressing moulding.
Wherein, in the described step (2), the banburying mixing temperature is 125 ℃, and the time is 15 minutes.
Wherein, in the described step (3), opening the refining remix time is 10～15 minutes.
Wherein, described step (7) is specially:
1. described EVA foaming plate was heated to 160 ℃ and mold pressing 5 minutes;
2. the sheet material after the moulding was cooled off 8 minutes at 25 ℃.
Shock-absorbing EVA foaming sectional material prescription and manufacture method that the present invention proposes can produce the better EVA foamed shoe sole of absorbing vibration effect.
Embodiment
The shock-absorbing EVA foaming sectional material formula optimization embodiment that the present invention proposes comprises following material:
30 parts of ethene-vinyl acetate resin copolymers; 25 parts of styrene isoprene styrene block copolymer (SIS);
10 parts of ethylene-acrylic acid copolymers; 20 parts of talcum powder; 1.5 parts in zinc oxide;
1.2 parts of bridging agents; 0.5 part of bridge formation auxiliary agent; 3.25 parts of whipping agents;
3 parts of looks female.
The manufacture method preferred embodiment one of the shock-absorbing EVA foaming sectional material that the present invention proposes may further comprise the steps:
(1) with 30 kilograms of ethene-vinyl acetate resin copolymers, 25 kilograms of styrene isoprene styrene block copolymer (SIS), 10 kilograms of ethylene-acrylic acid copolymers, 20 kilograms of talcum powder, 1.5 kilograms in zinc oxide, 1.2 kilograms of bridging agents, 0.5 kilogram of bridge formation auxiliary agent, 3.25 kilograms of whipping agents, look female 3 kilograms of thorough mixing;
(2) mixture is carried out banburying and mix, the banburying mixing temperature is 125 ℃, and the time is 15 minutes;
(3) the mixed mixture of banburying is opened the refining remix, opening refining is 10～15 minutes the remix time, and restraints thinly, and the bundle thickness of thin layer is 1～1.5 millimeter;
(4) step (3) gained mixture being made thickness is 1.2 millimeters sheet material;
(5) step (4) gained profiled material is put into press molding machine, under 165 ℃, carried out pressing mold bridge formation foaming 15 minutes, make the thick EVA foaming plate of 20mm;
(6) the EVA foaming plate is ground, cuts off processing;
(7) described EVA foaming plate was heated to 160 ℃ and mold pressing 5 minutes;
(8) sheet material after the moulding was cooled off 8 minutes at 25 ℃.
The manufacture method preferred embodiment two of the shock-absorbing EVA foaming sectional material that the present invention proposes may further comprise the steps:
(1) with 30 kilograms of ethene-vinyl acetate resin copolymers, 25 kilograms of styrene isoprene styrene block copolymer (SIS), 10 kilograms of ethylene-acrylic acid copolymers, 20 kilograms of talcum powder, 1.5 kilograms in zinc oxide, 1.2 kilograms of bridging agents, 0.5 kilogram of bridge formation auxiliary agent, 3.25 kilograms of whipping agents, look female 3 kilograms of thorough mixing;
(2) mixture is carried out banburying and mix, the banburying mixing temperature is 125 ℃, and the time is 15 minutes;
(3) the mixed mixture of banburying is opened the refining remix, opening refining is 10～15 minutes the remix time, and restraints thinly, and the bundle thickness of thin layer is 1～1.5 millimeter;
(4) step (3) gained mixture is made diameter be 3 millimeters make the material particle;
(5) step (4) gained is made the material particle and injected the injection compression foaming machine, under 185 ℃, carried out injection compression bridge formation foaming 7 minutes, make the thick EVA foamed profile of 15mm.
Claims (7)
1, a kind of shock-absorbing EVA foaming sectional material is characterized in that, this shock-absorbing EVA foaming sectional material is to be made by following materials in weight portion:
27 ~ 33 parts of ethene-vinyl acetate resin copolymers; 22.5～27.5 parts of styrene isoprene styrene block copolymer (SIS); 9～11 parts of ethylene-acrylic acid copolymers; 18～22 parts of talcum powder; 1.35～1.65 parts in zinc oxide; 1.08～1.32 parts of bridging agents; 0.45～0.55 part of bridge formation auxiliary agent; 2.925～3.575 parts of whipping agents; 2.7～3.3 parts of look mothers.
2, a kind of shock-absorbing EVA foaming sectional material is characterized in that, this shock-absorbing EVA foaming sectional material is to be made by following materials in weight portion:
30 parts of ethene-vinyl acetate resin copolymers; 25 parts of styrene isoprene styrene block copolymer (SIS); 10 parts of ethylene-acrylic acid copolymers; 20 parts of talcum powder; 1.5 parts in zinc oxide; 1.2 parts of bridging agents; 0.5 part of bridge formation auxiliary agent; 3.25 parts of whipping agents; 3 parts of looks female.
According to right 1 or 2 described shock-absorbing EVA foaming sectional material prescriptions, it is characterized in that 3, in the described ethylene-vinyl acetate copolymer, the content of vinyl acetate between to for plastic is 18%.
4, a kind of manufacture method of described shock-absorbing EVA foaming sectional material is characterized in that, may further comprise the steps:
(1) with ethene-vinyl acetate resin copolymer 30 weight parts, styrene isoprene styrene block copolymer (SIS) 25 weight parts, ethylene-acrylic acid copolymer 10 weight parts, talcum powder 20 weight parts, zinc oxide 1.5 weight parts, bridging agent 1.2 weight parts, bridge formation auxiliary agent 0.5 weight part, whipping agent 3.25 weight parts, look female 3 weight part thorough mixing;
(2) mixture being carried out banburying mixes;
(3) the mixed mixture of banburying is opened the refining remix, and restraint thin, the bundle thickness of thin layer be 1～1.5 millimeter;
(4) step (3) gained mixture is made thickness be 1.2 millimeters sheet material or diameter be 3 millimeters make the material particle;
(5) step (4) gained profiled material is put into press molding machine, under 165 ℃, carried out pressing mold bridge formation foaming 15 minutes, make the thick EVA foaming plate of 20mm, or injection injection compression foaming machine, under 185 ℃, carry out injection compression bridge formation foaming 7 minutes, and made the thick EVA foamed profile finished product of 15mm;
(6) the EVA foaming plate is ground, cuts off processing;
(7) the EVA foaming plate after will processing carries out the secondary mould pressing moulding.
5, the manufacture method of shock-absorbing EVA foaming sectional material according to claim 4 is characterized in that, in the described step (2), the banburying mixing temperature is 125 ℃, and the time is 15 minutes.
6, the manufacture method of shock-absorbing EVA foaming sectional material according to claim 5 is characterized in that, in the described step (3), opening the refining remix time is 10～15 minutes.
7, the manufacture method of shock-absorbing EVA foaming sectional material according to claim 6 is characterized in that, described step (7) is specially:
1. described EVA foaming plate was heated to 160 ℃ and mold pressing 5 minutes;
2. the sheet material after the moulding was cooled off 8 minutes at 25 ℃.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510130489 CN1982363A (en) | 2005-12-13 | 2005-12-13 | Formula and its production for shock-absorbing EVA foaming sectional material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510130489 CN1982363A (en) | 2005-12-13 | 2005-12-13 | Formula and its production for shock-absorbing EVA foaming sectional material |
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| CN1982363A true CN1982363A (en) | 2007-06-20 |
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| CN 200510130489 Pending CN1982363A (en) | 2005-12-13 | 2005-12-13 | Formula and its production for shock-absorbing EVA foaming sectional material |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255250B (en) * | 2008-04-14 | 2011-08-31 | 常州天晟新材料股份有限公司 | Ethane-vinyl acetate copolymer hole-opening foaming profile and method for manufacturing same |
| CN102828598A (en) * | 2012-09-29 | 2012-12-19 | 陈伟文 | Preparation method of flame-retardant product soft pack |
| CN102850606A (en) * | 2012-09-24 | 2013-01-02 | 吴江市信许塑料鞋用配套有限公司 | Preparation method of wear-resistant foaming sole material |
| CN101531871B (en) * | 2009-04-01 | 2013-03-13 | 福建省正亿实业有限公司 | Preparation method and method for using thermosetting adhesive film for adhering polypropylene foamed sheet to fabric |
| CN105754201A (en) * | 2016-03-16 | 2016-07-13 | 苏州工业园区鸿星耀包装材料有限公司 | EVA (ethylene vinyl acetate) foam clamping groove for transport of fragile products and preparation method of EVA foam clamping groove |
| CN107446205A (en) * | 2017-07-03 | 2017-12-08 | 三六度(中国)有限公司 | A kind of shock-absorbing midsole rubber composition and its application |
| CN109367091A (en) * | 2018-09-30 | 2019-02-22 | 沈丹 | A kind of manufacture craft and healthy shoe of sole |
-
2005
- 2005-12-13 CN CN 200510130489 patent/CN1982363A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255250B (en) * | 2008-04-14 | 2011-08-31 | 常州天晟新材料股份有限公司 | Ethane-vinyl acetate copolymer hole-opening foaming profile and method for manufacturing same |
| CN101531871B (en) * | 2009-04-01 | 2013-03-13 | 福建省正亿实业有限公司 | Preparation method and method for using thermosetting adhesive film for adhering polypropylene foamed sheet to fabric |
| CN102850606A (en) * | 2012-09-24 | 2013-01-02 | 吴江市信许塑料鞋用配套有限公司 | Preparation method of wear-resistant foaming sole material |
| CN102828598A (en) * | 2012-09-29 | 2012-12-19 | 陈伟文 | Preparation method of flame-retardant product soft pack |
| CN105754201A (en) * | 2016-03-16 | 2016-07-13 | 苏州工业园区鸿星耀包装材料有限公司 | EVA (ethylene vinyl acetate) foam clamping groove for transport of fragile products and preparation method of EVA foam clamping groove |
| CN107446205A (en) * | 2017-07-03 | 2017-12-08 | 三六度(中国)有限公司 | A kind of shock-absorbing midsole rubber composition and its application |
| CN109367091A (en) * | 2018-09-30 | 2019-02-22 | 沈丹 | A kind of manufacture craft and healthy shoe of sole |
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