CN102417654B - Radiation crosslinked polyolefin high-elasticity foam and preparation method thereof - Google Patents
Radiation crosslinked polyolefin high-elasticity foam and preparation method thereof Download PDFInfo
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- CN102417654B CN102417654B CN 201110389889 CN201110389889A CN102417654B CN 102417654 B CN102417654 B CN 102417654B CN 201110389889 CN201110389889 CN 201110389889 CN 201110389889 A CN201110389889 A CN 201110389889A CN 102417654 B CN102417654 B CN 102417654B
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- 239000006260 foam Substances 0.000 title claims abstract description 74
- 230000005855 radiation Effects 0.000 title claims abstract description 48
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 28
- -1 pentaerythritol ester Chemical class 0.000 claims abstract description 25
- 229920001577 copolymer Polymers 0.000 claims abstract description 20
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Chemical compound CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 17
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 13
- 239000004698 Polyethylene Substances 0.000 claims abstract description 12
- 229920000573 polyethylene Polymers 0.000 claims abstract description 12
- 230000001235 sensitizing effect Effects 0.000 claims abstract description 7
- 239000000314 lubricant Substances 0.000 claims abstract description 6
- 238000005187 foaming Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 239000004615 ingredient Substances 0.000 claims description 15
- 238000005469 granulation Methods 0.000 claims description 11
- 230000003179 granulation Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- KWUZCAVKPCRJPO-UHFFFAOYSA-N n-ethyl-4-(6-methyl-1,3-benzothiazol-2-yl)aniline Chemical compound C1=CC(NCC)=CC=C1C1=NC2=CC=C(C)C=C2S1 KWUZCAVKPCRJPO-UHFFFAOYSA-N 0.000 claims description 8
- 235000019260 propionic acid Nutrition 0.000 claims description 8
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 8
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 7
- 239000003112 inhibitor Substances 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical class OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003963 antioxidant agent Substances 0.000 abstract 2
- 230000003078 antioxidant effect Effects 0.000 abstract 2
- 239000004088 foaming agent Substances 0.000 abstract 2
- 239000004156 Azodicarbonamide Substances 0.000 abstract 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical group NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 abstract 1
- 235000019399 azodicarbonamide Nutrition 0.000 abstract 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical group [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 abstract 1
- 238000007664 blowing Methods 0.000 description 6
- 229920003020 cross-linked polyethylene Polymers 0.000 description 6
- 239000004703 cross-linked polyethylene Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 206010000269 abscess Diseases 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000004927 fusion Effects 0.000 description 4
- 230000003760 hair shine Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000009967 tasteless effect Effects 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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Abstract
The invention provides radiation crosslinked polyolefin high-elasticity foam and a preparation method thereof. The radiation crosslinked polyolefin high-elasticity foam comprises a main material and an auxiliary material, wherein the main material comprises the following components in percentage by weight: 60-65 percent of ethylene-octene copolymer, 25-30 percent of ethylene-vinyl acetate copolymer and 5.0-10.0 percent of foaming agent; the auxiliary material comprises the following components in percentage by weight: 1-2 percent of sensitizing agent, 1-2 percent of antioxidant and 0.5-1.0 percent of lubricating agent; the foaming agent is selected from azodicarbonamide; the sensitizing agent is selected from zinc stearate; the antioxidant is selected from a mixture of tetra-[beta-(3,5-di-tert-butyl-4-hydroxy phenyl)metacetonic acid] pentaerythritol ester and distearyl thiodipropioante; the lubricating agent is selected from polyethylene wax; and the mass ratio of the tetra-[beta-(3,5-di-tert-butyl-4-hydroxy phenyl)metacetonic acid] pentaerythritol ester to the distearyl thiodipropioante is 1:2. The radiation crosslinked polyolefin high-elasticity foam has the beneficial effects of lower foaming energy consumption in comparison to the conventional polyolefin foam, smooth surface, fine foam holes, higher flexibility, smaller hardness, greatly-improved mechanical property and particular increase in the elongation percentage by 2-3 times.
Description
Technical field
The present invention relates to a kind of radiation crosslinked polyolefin high-elasticity foam and preparation method thereof, relate in particular to radiation crosslinked polyolefin high-elasticity foam that a kind of hardness is little, flexibility good, energy consumption is low and preparation method thereof.
Background technology
Radiation crosslinked polyolefin high-elasticity foam is a kind of novel foam material more high-grade than radiant crosslinked polyethylene (IXPE) foam,, snappiness, high tenacity fine and closely woven because of its smooth surface, abscess, thermal conductivity is low, water-intake rate is little, nonpoisonous and tasteless, ageing-resistant, resistance to chemical attack, be easy to the characteristics such as secondary processing,, energy-saving and environmental protection material efficient as a new generation can be widely used in the fields such as particular packing, sports goods, automotive industry, buildings waterproof, case and bag footwear material, car and boat manufacturing, style entertainment.
Polyolefine foam in the market mainly contains chemical crosslink polyethylene foam (XPE FOAM), radiant crosslinked polyethylene foam (IXPE FOAM) and ethylene-vinyl acetate copolymer (EVA) foam.And little for hardness, flexibility good and preparation technology in the low radiation crosslinked polyolefin high-elasticity foam of needed energy consumption study seldom, and do not have a very large development at present.
Summary of the invention
Technical problem to be solved by this invention be overcome in the prior art that the foamed time of general foam is long, hardness is large, the shortcoming of contaminate environment etc. in the preparation process.
The invention provides a kind of radiation crosslinked polyolefin high-elasticity foam, comprise major ingredient and auxiliary material, by weight percentage, described major ingredient comprises: ethylene-octene copolymer: 60%-65%; Ethylene-vinyl acetate copolymer: 25%-30%; Whipping agent: 5.0%-10.0%; Described auxiliary material comprises: sensitizing agent: 1 %-2%; Oxidation inhibitor: 1%-2%; Lubricant: 0.5%-1.0%;
Described whipping agent is selected from Cellmic C 121, and described sensitizing agent is selected from Zinic stearas, and described oxidation inhibitor is selected from the mixture of four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and thio-2 acid 2 stearyl ester; Described lubricant is selected from polyethylene wax; The mass ratio of described four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and described thio-2 acid 2 stearyl ester is 1:2.
The present invention also provides a kind of method of radiation crosslinked polyolefin high-elasticity foam, comprises following step:
Granulation step: described major ingredient is added in 100 ℃ of Banbury mixeies, carries out banburying wait fusing all auxiliary materials of rear adding, temperature-resistant, after fusing, in tablets press, cause particle stand-by;
Extrusion step: under 110 ℃, to the master batch extrusion sheet that makes in the described granulation step;
Irradiation step: described master slice is shone with rumbatron;
Foaming step: in horizontal stove, the described master slice after radiation is carried out continuous foamed processing with 210 ℃ temperature.
In the prior art, the main preparation process of chemical crosslink polyethylene foam (XPE FOAM) is to add the key assistants such as chemical cross-linking agent (DCP) and whipping agent (AC) in ldpe resin (LDPE), through granulation, extrude, foaming.Since adding linking agent (DCP), material meeting scent of and foam surface irregularity, the size of abscess is uneven, and folding rear rebound resilience is poor, curling easily, very low on tensile strength, the elongation, anti-slip effect is very poor, and pliability is poor, hardness is large, and blowing temperature is high, and energy consumption is large.The main preparation process of radiant crosslinked polyethylene foam (IXPE FOAM) is to add the auxiliary agents such as whipping agent (AC) and sensitizing agent in ldpe resin (LDPE), through granulation, extrude, radiation, foaming.Sheet material is through the technique of radiation crosslinking, although foam surface flatness, abscess uniformity coefficient all are greatly improved, and also do not have smell, folding rear rebound resilience improves and is little, product is still curling easily, do not have too large variation on the mechanical property, anti-slip effect does not have obviously lifting yet yet, and pliability is poor, be that hardness is large, blowing temperature is high, and blowing temperature is high, and energy consumption is large.Ethylene-vinyl acetate copolymer (EVA) foam: mainly be in ethylene-vinyl acetate copolymer (EVA), to add the auxiliary agents such as whipping agent (AC) and linking agent (DCP), through banburying, open refining, moulded from foam moulding.Owing to add linking agent (DCP), material meeting scent of has certain toxicity, contaminate environment, and mechanical property is low, and rebound resilience is poor, anti-slip effect is bad, and pliability is poor, and namely hardness is large, product can not continuous advance, the unit volume foamed time is long, and the surface is without skinning, and thickness need to be controlled by truncation, production efficiency is very low, and energy consumption is large.
Adopt technique scheme, compared with prior art, its advantage is: in the radiation crosslinked polyolefin high-elasticity foam among the present invention, major ingredient adopts ethylene-octene copolymer and ethylene-vinyl acetate copolymer, add again auxiliary material, after fusing, in tablets press, cause particle stand-by at a certain temperature raw material; The master batch extrusion sheet to making in the described granulation step again; Then utilize rumbatron that described master slice is shone; At last in horizontal stove, the described master slice after radiation is carried out continuous foamed processing with 210 ℃ temperature.Therefore, the radiation crosslinked polyolefin high-elasticity foam among the present invention is tasteless nontoxic, environmental protection; And rebound resilience is good after folding, and anti-slip effect is good.And the foam surface irregularity, the size of abscess is uneven, and very high on tensile strength, the elongation, pliability is strong, and hardness is little.And blowing temperature is low in the preparation process, and needed energy consumption is little; And production efficiency is improved.
Preferably, the mass ratio of described ethylene-octene copolymer and described vinyl acetate copolymer is 7:3.
Preferably, the quality of described ethylene-octene copolymer and described vinyl acetate copolymer and be 85.8%-90.8%.
Preferably, the melt flow rate (MFR) of described ethylene-octene copolymer is 3.0 dg/min to 5.0dg/min.
Preferably, the melt flow rate (MFR) of described vinyl acetate copolymer is 1.5 dg/min to 2.5dg/min.
Preferably, the content range of ethene is 10% to 18% in the described vinyl acetate copolymer.
Preferably, the particle diameter of described Cellmic C 121 is 5 μ m to 10 μ m.
Preferably, the energy of rumbatron described in the described irradiation step is 2.5eV, and sweep length is 800 to 1000mm.
Preferably, the gel content of the described sheet material after the described irradiation step is 40%-45%.
The invention has the beneficial effects as follows:
1. such radiation crosslinked polyolefin high-elasticity foam is tasteless nontoxic, environmental protection; And rebound resilience is good after folding, and anti-slip effect is good.And with respect to existing polyolefine foam smooth surface, abscess is more fine and closely woven.
2. this radiation crosslinked polyolefin high-elasticity foam: relatively existing polyolefine foam blowing temperature will hang down 15-20 ℃, and needed energy consumption is little; And mechanical property significantly promotes, and particularly elongation can improve 2-3 doubly.
3. compare with the polyolefine foam with the radiation crosslinked polyolefin high-elasticity foam of multiple, flexibility is better, and hardness is lower; And this product skinning, thickness is controlled easily, but continuous advance, production efficiency is high.
Embodiment
The below is described in further detail more excellent embodiment of the present invention:
Embodiment 1: take by weighing 64 parts of major ingredient ethylene-octene copolymers, 28 parts of ethylene-vinyl acetate copolymers, 5 parts of Cellmic C 121s, banburying in 100 ℃ of Banbury mixeies adds after the major ingredient fusion: 1 part of Zinic stearas, four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] 0.5 part of pentaerythritol ester, 1 part of thio-2 acid 2 stearyl ester, 0.5 part of polyethylene wax, temperature-resistant, after fusing, in tablets press, cause particle stand-by; Under 110 ℃, to the master batch extrusion sheet that makes in the described granulation step; The rumbatron that with energy is 2.5eV shines described sheet material; In horizontal stove, the described sheet material after radiation is carried out continuous foamed processing with 210 ℃ temperature, just can make required radiation crosslinked polyolefin high-elasticity foam.
Embodiment 2: take by weighing 63 parts of major ingredient ethylene-octene copolymers, 27 parts of ethylene-vinyl acetate copolymers, 5 parts of Cellmic C 121s, banburying in 100 ℃ of Banbury mixeies adds after the major ingredient fusion: 1 part of Zinic stearas, four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] 1 part of pentaerythritol ester, 2 parts of thio-2 acid 2 stearyl esters, 1 part of polyethylene wax, temperature-resistant, after fusing, in tablets press, cause particle stand-by; Under 110 ℃, to the master batch extrusion sheet that makes in the described granulation step; The rumbatron that with energy is 2.5eV shines described sheet material; In horizontal stove, the described sheet material after radiation is carried out continuous foamed processing with 210 ℃ temperature, just can make required radiation crosslinked polyolefin high-elasticity foam.
Embodiment 3: take by weighing 60 parts of major ingredient ethylene-octene copolymers, 30 parts of ethylene-vinyl acetate copolymers, 7 parts of Cellmic C 121s, banburying in 100 ℃ of Banbury mixeies adds after the major ingredient fusion: 1 part of Zinic stearas, four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] 0.5 part of pentaerythritol ester, 1 part of thio-2 acid 2 stearyl ester, 0.5 part of polyethylene wax, temperature-resistant, after fusing, in tablets press, cause particle stand-by; Under 110 ℃, to the master batch extrusion sheet that makes in the described granulation step; The rumbatron that with energy is 2.5eV shines described sheet material; In horizontal stove, the described sheet material after radiation is carried out continuous foamed processing with 210 ℃ temperature, just can make required radiation crosslinked polyolefin high-elasticity foam.
Embodiment 4: take by weighing 65 parts of major ingredient ethylene-octene copolymers, 25 parts of ethylene-vinyl acetate copolymers, 6 parts of Cellmic C 121s, banburying in 100 ℃ of Banbury mixeies adds after the major ingredient fusion: 1.7 parts of Zinic stearass, four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] 0.5 part of pentaerythritol ester, 1 part of thio-2 acid 2 stearyl ester, 0.8 part of polyethylene wax, temperature-resistant, after fusing, in tablets press, cause particle stand-by; Under 110 ℃, to the master batch extrusion sheet that makes in the described granulation step; The rumbatron that with energy is 2.5eV shines described sheet material; In horizontal stove, the described sheet material after radiation is carried out continuous foamed processing with 210 ℃ temperature, just can make required radiation crosslinked polyolefin high-elasticity foam.
With the radiation crosslinked polyolefin high-elasticity foam among the embodiment 1 to 4 to describe functional as example with the foam of 10 times of 2m*1m*5mm of multiple:
⑴. table 1: the comparison of energy consumption
| The foam classification | Blowing temperature ℃ | Foamed time min |
| Chemical crosslink polyethylene foam | 230 | 2 |
| The radiant crosslinked polyethylene foam | 230 | 2 |
| The ethylene-vinyl acetate copolymer foam | 185 | 10 |
| Radiation crosslinked polyolefin high-elasticity foam (embodiment 1) | 210 | 2 |
| Radiation crosslinked polyolefin high-elasticity foam (embodiment 2) | 210 | 1.5 |
| Radiation crosslinked polyolefin high-elasticity foam (embodiment 3) | 210 | 1.8 |
| Radiation crosslinked polyolefin high-elasticity foam (embodiment 4) | 210 | 2 |
As can be seen from Table 1, radiation crosslinked polyolefin high-elasticity foam energy consumption of the present invention is minimum.
⑵. table 2: the comparison of mechanical property
| The foam classification | Tensile strength (vertical/horizontal stroke) MPa | Elongation (vertical/horizontal stroke) % |
| Chemical crosslink polyethylene foam | 0.88/0.71 | 210/185 |
| The radiant crosslinked polyethylene foam | 1.00/0.83 | 250/210 |
| Ethylene-vinyl acetate copolymer foam (without dividing in length and breadth) | 1.10 | 90 |
| Radiation crosslinked polyolefin high-elasticity foam (embodiment 1) | 1.15/0.90 | 650/580 |
| Radiation crosslinked polyolefin high-elasticity foam (embodiment 2) | 1.16/0.93 | 660/590 |
| Radiation crosslinked polyolefin high-elasticity foam (embodiment 3) | 1.14/0.92 | 640/570 |
| Radiation crosslinked polyolefin high-elasticity foam (embodiment 4) | 1.17/0.94 | 670/600 |
As can be seen from Table 2, the radiation crosslinked polyolefin high-elasticity foam mechanical property is best, and particularly elongation is high, is far superior to other three kinds of foams.
⑶. table 3: the comparison of mechanical property
| The foam classification | Hardness ° |
| Chemical crosslink polyethylene foam | 38-45 |
| The radiant crosslinked polyethylene foam | 38-45 |
| The ethylene-vinyl acetate copolymer foam | 50-51 |
| Radiation crosslinked polyolefin high-elasticity foam (embodiment 1) | 24-26 |
| Radiation crosslinked polyolefin high-elasticity foam (embodiment 2) | 25-26 |
| Radiation crosslinked polyolefin high-elasticity foam (embodiment 3) | 23-24 |
| Radiation crosslinked polyolefin high-elasticity foam (embodiment 4) | 25-26 |
As can be seen from Table 3, radiation crosslinked polyolefin high-elasticity foam hardness is minimum, and flexibility is best.
In sum, radiation crosslinked polyolefin high-elasticity foam of the present invention compared with prior art, energy consumption is little, mechanical property good, elongation is high, hardness is little, flexibility is good.
Above content is the further description of the present invention being done in conjunction with concrete preferred implementation, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (7)
1. a method for preparing radiation crosslinked polyolefin high-elasticity foam is characterized in that, radiation crosslinked polyolefin high-elasticity foam comprises major ingredient and auxiliary material, and by weight percentage, described major ingredient comprises: ethylene-octene copolymer: 60%-65%; Ethylene-vinyl acetate copolymer: 25%-30%; Whipping agent: 5.0%-10.0%; Described auxiliary material comprises: sensitizing agent: 1 %-2%; Oxidation inhibitor: 1.5%-3%; Lubricant: 0.5%-1.0%;
Wherein, described whipping agent is selected from Cellmic C 121, and described sensitizing agent is selected from Zinic stearas, and described oxidation inhibitor is selected from the mixture of four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and thio-2 acid 2 stearyl ester; Described lubricant is selected from polyethylene wax; The mass ratio of described four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and described thio-2 acid 2 stearyl ester is 1:2;
Described method comprises following step:
Granulation step: described major ingredient is added in 100 ℃ of Banbury mixeies, carries out banburying wait fusing all auxiliary materials of rear adding, temperature-resistant, after fusing, in tablets press, cause particle stand-by;
Extrusion step: under 110 ℃, to the master batch extrusion sheet that makes in the described granulation step;
Irradiation step: described sheet material is shone with rumbatron;
Foaming step: in horizontal stove, the described sheet material after radiation is carried out continuous foamed processing with 210 ℃ temperature.
2. the method for claim 1 is characterized in that, the mass ratio of described ethylene-octene copolymer and described vinyl acetate copolymer is 7:3.
3. method as claimed in claim 2 is characterized in that, the quality of described ethylene-octene copolymer and described vinyl acetate copolymer and be 85.8% to 90.8%.
4. the method for claim 1 is characterized in that, the content range of ethene is 10% to 18% in the described vinyl acetate copolymer.
5. the method for claim 1 is characterized in that, the particle diameter of described Cellmic C 121 is 5 μ m to 10 μ m.
6. the method for claim 1 is characterized in that, the energy of rumbatron described in the described irradiation step is 2.5eV, and sweep length is 800-1000mm.
7. method as claimed in claim 6 is characterized in that, the gel content of the described sheet material after the described irradiation step is 40%-45%.
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| CN102719026A (en) * | 2012-06-26 | 2012-10-10 | 苏州俄邦工程塑胶有限公司 | Foaming master batch for engineering plastics and preparation method for foaming mater batch |
| CN103387705B (en) * | 2013-08-09 | 2015-08-26 | 深圳市长园特发科技有限公司 | A kind of preparation method without methane amide IXPE foam |
| CN103613820A (en) * | 2013-10-25 | 2014-03-05 | 无锡市沪安电线电缆有限公司 | Waterproofing foaming filling strip for cable and preparation method thereof |
| CN107353469B (en) * | 2017-06-30 | 2021-02-19 | 泰山体育产业集团有限公司 | Open-cell chemical crosslinking polyolefin foam material and preparation method thereof |
| CN107501703B (en) * | 2017-08-19 | 2020-06-05 | 青岛科技大学 | Environment-friendly EVA shoe insole |
| CN109181066B (en) * | 2018-08-20 | 2021-04-06 | 湖北祥源新材科技股份有限公司 | High-resilience polyethylene filling particle, application and processing method thereof |
| CN109762229B (en) * | 2018-12-24 | 2021-11-30 | 浙江万里新材料科技有限公司 | Irradiation crosslinking polyethylene foam material and preparation method thereof |
| CN110628117A (en) * | 2019-10-10 | 2019-12-31 | 深圳市长园特发科技有限公司 | Electronic radiation cross-linked polyethylene foam and preparation method thereof |
| CN111440553B (en) * | 2020-04-15 | 2022-02-08 | 安徽屹珹新材料科技有限公司 | Stretchable and removable foam double-sided adhesive tape and preparation method thereof |
| CN112759813B (en) * | 2020-12-30 | 2023-12-26 | 广德祥源新材科技有限公司 | Crosslinked polyolefin foam sheet and preparation method thereof |
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| Title |
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| JP特开2007-270412A 2007.10.18 |
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| CN102417654A (en) | 2012-04-18 |
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