CN103087447A - PVC (polyvinyl chloride) foamed sole and preparation method thereof - Google Patents
PVC (polyvinyl chloride) foamed sole and preparation method thereof Download PDFInfo
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- CN103087447A CN103087447A CN2013100559406A CN201310055940A CN103087447A CN 103087447 A CN103087447 A CN 103087447A CN 2013100559406 A CN2013100559406 A CN 2013100559406A CN 201310055940 A CN201310055940 A CN 201310055940A CN 103087447 A CN103087447 A CN 103087447A
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Abstract
The invention discloses a PVC (polyvinyl chloride) foamed sole and a preparation method thereof. The PVC foamed sole is prepared from the following components in parts by mass: 100 parts of PVC, 7-8 parts of AC (azodicarbonamide) foaming agent, 60-70 parts of plasticizer ATBC (acetyl tributyl citrate), 10-15 parts of epoxy soybean oil, 2-3 parts of zinc oxide, 2-3 parts of stearic acid, 30 parts of CaCO3 and proper amounts of pigment. The preparation method comprises the following steps: mixing at high speed, banburying, carrying out open milling, discharging, foaming, carrying out secondary foaming, and naturally shrinking. The PVC foamed sole disclosed by the invention is non-toxic and environment-friendly; and by using the secondary foaming technique, the material is foamed uniformly.
Description
Technical field
The invention belongs to the plastics fields, be specifically related to a kind of PVC foamed shoe sole and preparation method thereof.
Background technology
The PVC foam material is compared with other foam materialss, and good mechanical property and cohesiveness, the characteristics such as easy to process, with low cost are arranged.Along with the rise of the prices of raw and semifnished materials, the PVC foaming sole material more and more is subjected to the favor of many producers, and especially bottom material in the PVC foaming, have the trend that replaces bottom material in EVA, PU foaming.The PVC system is difficult for making low density, the uniform foam material of abscess, and the present invention makes by suitably adjusting formula and processing conditions the foaming sole material that density is little, cost is low, mechanical property is excellent.
Summary of the invention
The object of the present invention is to provide a kind of PVC foamed shoe sole and preparation method thereof, the present invention is by suitably adjusting formula and processing conditions, makes that density is little, cost is low, the foaming sole material of asepsis environment-protecting, mechanical property excellence.
For achieving the above object, the present invention adopts following technical scheme:
A kind of formula of PVC foamed shoe sole is according to the mass fraction: 100 parts of PVC, AC whipping agent 7-8 part, plasticizer A TBC 60-70 part, epoxy soybean oil 10-15 part, zinc oxide 2-3 part, stearic acid 2-3 part, CaCO
330 parts, pigment is appropriate.
A kind of method for preparing PVC foamed shoe sole as above comprises the following steps:
(1) high-speed mixing: with PVC, epoxy soybean oil, CaCO
3, AC whipping agent, stearic acid, plasticizer A TBC, zinc oxide, pigment pour high-speed mixer into and stir, when temperature rises to 87-93 ℃, with material take the dish out of the pot pack into standby in the charge car;
(2) banburying: temperature is controlled at 120-130 ℃;
(3) open refining: plasticate 2 ~ 3 times with 22 inch rubber mixing machines, roll spacing is 0.7mm;
(4) slice: will expect that into the thick sheet of 1mm pulls out with 16 inch rubber mixing machines, and be cut into the sheet material of 400mm * 700mm;
(5) foaming: the sheet material that cuts is weighed up weight pack into and foam in the thermocompressor mould, 18-22 minute heat-up time, Heating temperature 163-167 ℃, the water flowing cooling die is to 35-40 ℃ afterwards, and the base sheet of the inside is taken out in die sinking;
(6) second time of foaming: the base sheet is carried out second time of foaming, time 13-17min, temperature 99-100 ℃;
(7) natural shrinkage: the secondary foamed sheet into the warehouse, storage 6 to 7 days, until their natural contraction of 7% with a knife rushed enlarged cut into Du bottom.
Beneficial effect of the present invention is: the present invention is by suitably adjusting formula and processing conditions, makes that density is little, cost is low, the foaming sole material of asepsis environment-protecting, mechanical property excellence.
Embodiment
Embodiment 1
A kind of formula of PVC foamed shoe sole is according to the mass fraction: 100 parts of PVC, 7 parts of AC whipping agents, 60 parts of plasticizer A TBC, 10 parts of epoxy soybean oils, 2 parts, zinc oxide, 2 parts of stearic acid, CaCO
330 parts, pigment is appropriate.
The preparation method comprises the following steps:
(1) high-speed mixing: with PVC, epoxy soybean oil, CaCO
3, AC whipping agent, stearic acid, plasticizer A TBC, zinc oxide, pigment pour high-speed mixer into and stir, when temperature rises to 87 ℃, with material take the dish out of the pot pack into standby in the charge car;
(2) banburying: temperature is controlled at 120 ℃;
(3) open refining: plasticate 2 ~ 3 times with 22 inch rubber mixing machines, roll spacing is 0.7mm;
(4) slice: will expect that into the thick sheet of 1mm pulls out with 16 inch rubber mixing machines, and be cut into the sheet material of 400mm * 700mm;
(5) foaming: the sheet material that cuts is weighed up weight pack into and foam in the thermocompressor mould, 18 minutes heat-up times, 163 ℃ of Heating temperatures, water flowing cooling die to 35 ℃ afterwards, the base sheet of the inside is taken out in die sinking;
(6) second time of foaming: the base sheet is carried out second time of foaming, time 13min, temperature 99-100 ℃;
(7) natural shrinkage: the secondary foamed sheet into the warehouse, storage 6 to 7 days, until their natural contraction of 7% with a knife rushed enlarged cut into Du bottom.
Embodiment 2
A kind of formula of PVC foamed shoe sole is according to the mass fraction: 100 parts of PVC, 8 parts of AC whipping agents, 70 parts of plasticizer A TBC, 15 parts of epoxy soybean oils, 3 parts, zinc oxide, 3 parts of stearic acid, CaCO
330 parts, pigment is appropriate.
The preparation method comprises the following steps:
(1) high-speed mixing: with PVC, epoxy soybean oil, CaCO
3, AC whipping agent, stearic acid, plasticizer A TBC, zinc oxide, pigment pour high-speed mixer into and stir, when temperature rises to 87-93 ℃, with material take the dish out of the pot pack into standby in the charge car;
(2) banburying: temperature is controlled at 130 ℃;
(3) open refining: plasticate 2 ~ 3 times with 22 inch rubber mixing machines, roll spacing is 0.7mm;
(4) slice: will expect that into the thick sheet of 1mm pulls out with 16 inch rubber mixing machines, and be cut into the sheet material of 400mm * 700mm;
(5) foaming: the sheet material that cuts is weighed up weight pack into and foam in the thermocompressor mould, 22 minutes heat-up times, 167 ℃ of Heating temperatures, water flowing cooling die to 40 ℃ afterwards, the base sheet of the inside is taken out in die sinking;
(6) second time of foaming: the base sheet is carried out second time of foaming, time 17min, temperature 99-100 ℃;
(7) natural shrinkage: the secondary foamed sheet into the warehouse, storage 6 to 7 days, until their natural contraction of 7% with a knife rushed enlarged cut into Du bottom.
Embodiment 3
A kind of formula of PVC foamed shoe sole is according to the mass fraction: 100 parts of PVC, 7.5 parts of AC whipping agents, 65 parts of plasticizer A TBC, 12.5 parts of epoxy soybean oils, 2.5 parts, zinc oxide, 2.5 parts of stearic acid, CaCO
330 parts, pigment is appropriate.
The preparation method comprises the following steps:
(1) high-speed mixing: with PVC, epoxy soybean oil, CaCO
3, AC whipping agent, stearic acid, plasticizer A TBC, zinc oxide, pigment pour high-speed mixer into and stir, when temperature rises to 90 ℃, with material take the dish out of the pot pack into standby in the charge car;
(2) banburying: temperature is controlled at 125 ℃;
(3) open refining: plasticate 2 ~ 3 times with 22 inch rubber mixing machines, roll spacing is 0.7mm;
(4) slice: will expect that into the thick sheet of 1mm pulls out with 16 inch rubber mixing machines, and be cut into the sheet material of 400mm * 700mm;
(5) foaming: the sheet material that cuts is weighed up weight pack into and foam in the thermocompressor mould, 20 minutes heat-up times, 165 ℃ of Heating temperatures, water flowing cooling die to 37 ℃ afterwards, the base sheet of the inside is taken out in die sinking;
(6) second time of foaming: the base sheet is carried out second time of foaming, time 15min, temperature 99-100 ℃;
(7) natural shrinkage: the secondary foamed sheet into the warehouse, storage 6 to 7 days, until their natural contraction of 7% with a knife rushed enlarged cut into Du bottom.
The present invention makes by suitably adjusting formula and processing conditions the foaming sole material that density is little, cost is low, mechanical property is excellent, can be used for ground or the middle ends such as various footwear such as sports shoes, sneakers, slippers, sandals.
This product performance index is as follows: density: 0.270 g/cm
3, press and pinch hardness: 37.4 N; Tensile strength: 3.32 MPa; Tear strength: 20.987 N/mm; Elongation at break: 192.9%; Compression set (50%, 22h, 23 ℃): 9.1%.
The above is only preferred embodiment of the present invention, and all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (2)
1. a PVC foamed shoe sole, is characterized in that: fill a prescription according to the mass fraction: 100 parts of PVC, AC whipping agent 7-8 part, plasticizer A TBC 60-70 part, epoxy soybean oil 10-15 part, zinc oxide 2-3 part, stearic acid 2-3 part, CaCO
330 parts, pigment is appropriate.
2. method for preparing PVC foamed shoe sole as claimed in claim 1 is characterized in that: comprise the following steps:
(1) high-speed mixing: with PVC, epoxy soybean oil, CaCO
3, AC whipping agent, stearic acid, plasticizer A TBC, zinc oxide, pigment pour high-speed mixer into and stir, when temperature rises to 87-93 ℃, with material take the dish out of the pot pack into standby in the charge car;
(2) banburying: temperature is controlled at 120-130 ℃;
(3) open refining: plasticate 2 ~ 3 times with 22 inch rubber mixing machines, roll spacing is 0.7mm;
(4) slice: will expect that into the thick sheet of 1mm pulls out with 16 inch rubber mixing machines, and be cut into the sheet material of 400mm * 700mm;
(5) foaming: the sheet material that cuts is weighed up weight pack into and foam in the thermocompressor mould, 18-22 minute heat-up time, Heating temperature 163-167 ℃, the water flowing cooling die is to 35-40 ℃ afterwards, and the base sheet of the inside is taken out in die sinking;
(6) second time of foaming: the base sheet is carried out second time of foaming, time 13-17min, temperature 99-100 ℃;
(7) natural shrinkage: the secondary foamed sheet into the warehouse, storage 6 to 7 days, until their natural contraction of 7% with a knife rushed enlarged cut into Du bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013100559406A CN103087447A (en) | 2013-02-22 | 2013-02-22 | PVC (polyvinyl chloride) foamed sole and preparation method thereof |
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| CN2013100559406A CN103087447A (en) | 2013-02-22 | 2013-02-22 | PVC (polyvinyl chloride) foamed sole and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103289232A (en) * | 2013-05-31 | 2013-09-11 | 苏州市景荣科技有限公司 | Antistatic PVC (Poly Vinyl Chloride) sole foaming material |
| CN103289246A (en) * | 2013-06-21 | 2013-09-11 | 苏州市景荣科技有限公司 | Fire retardation PVC foaming sole material |
| CN103289243A (en) * | 2013-06-21 | 2013-09-11 | 苏州市景荣科技有限公司 | PVC sole foaming material |
| CN103289233A (en) * | 2013-05-31 | 2013-09-11 | 苏州市景荣科技有限公司 | Antibacterial deodorant PVC (Poly Vinyl Chloride) sole foaming material |
| CN103289244A (en) * | 2013-06-21 | 2013-09-11 | 苏州市景荣科技有限公司 | Antibacterial deodorization HPVC foaming sole material |
| CN103435935A (en) * | 2013-08-23 | 2013-12-11 | 吴江市英力达塑料包装有限公司 | Polyvinyl chloride soft foam plastic and preparation method thereof |
| CN104262819A (en) * | 2014-09-04 | 2015-01-07 | 苏州市景荣科技有限公司 | Conductive polyvinyl chloride foamed sole material and preparation method thereof |
| CN104262821A (en) * | 2014-09-04 | 2015-01-07 | 苏州市景荣科技有限公司 | High wear-resistant PVC foamed sole material and preparation method thereof |
| CN104277358A (en) * | 2014-09-04 | 2015-01-14 | 苏州市景荣科技有限公司 | Antibacterial polyvinyl chloride foaming sole material and preparation method thereof |
| CN109503989A (en) * | 2018-11-07 | 2019-03-22 | 高邮市强杰塑料制品有限公司 | A kind of manufacturing method of PVC sole |
| CN112280207A (en) * | 2020-09-29 | 2021-01-29 | 温州市剑利鞋业有限公司 | Anti-crack sole and preparation process thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102558709A (en) * | 2011-12-21 | 2012-07-11 | 常州大学 | Flexible polyvinyl chloride foam material and molding method thereof |
-
2013
- 2013-02-22 CN CN2013100559406A patent/CN103087447A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102558709A (en) * | 2011-12-21 | 2012-07-11 | 常州大学 | Flexible polyvinyl chloride foam material and molding method thereof |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103289233A (en) * | 2013-05-31 | 2013-09-11 | 苏州市景荣科技有限公司 | Antibacterial deodorant PVC (Poly Vinyl Chloride) sole foaming material |
| CN103289232A (en) * | 2013-05-31 | 2013-09-11 | 苏州市景荣科技有限公司 | Antistatic PVC (Poly Vinyl Chloride) sole foaming material |
| CN103289243B (en) * | 2013-06-21 | 2016-09-21 | 温州静雅环保科技有限公司 | A kind of PVC sole expanded material |
| CN103289243A (en) * | 2013-06-21 | 2013-09-11 | 苏州市景荣科技有限公司 | PVC sole foaming material |
| CN103289244A (en) * | 2013-06-21 | 2013-09-11 | 苏州市景荣科技有限公司 | Antibacterial deodorization HPVC foaming sole material |
| CN103289246A (en) * | 2013-06-21 | 2013-09-11 | 苏州市景荣科技有限公司 | Fire retardation PVC foaming sole material |
| CN103435935A (en) * | 2013-08-23 | 2013-12-11 | 吴江市英力达塑料包装有限公司 | Polyvinyl chloride soft foam plastic and preparation method thereof |
| CN104262819A (en) * | 2014-09-04 | 2015-01-07 | 苏州市景荣科技有限公司 | Conductive polyvinyl chloride foamed sole material and preparation method thereof |
| CN104262821A (en) * | 2014-09-04 | 2015-01-07 | 苏州市景荣科技有限公司 | High wear-resistant PVC foamed sole material and preparation method thereof |
| CN104277358A (en) * | 2014-09-04 | 2015-01-14 | 苏州市景荣科技有限公司 | Antibacterial polyvinyl chloride foaming sole material and preparation method thereof |
| CN109503989A (en) * | 2018-11-07 | 2019-03-22 | 高邮市强杰塑料制品有限公司 | A kind of manufacturing method of PVC sole |
| CN112280207A (en) * | 2020-09-29 | 2021-01-29 | 温州市剑利鞋业有限公司 | Anti-crack sole and preparation process thereof |
| CN112280207B (en) * | 2020-09-29 | 2022-05-03 | 温州市剑利鞋业有限公司 | Anti-crack sole and preparation process thereof |
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Application publication date: 20130508 |