WO2003055661A1 - A composition used for producing shoe sole without using any releasing agent, shoe sole made therefrom and a process for producing a shoe sole - Google Patents
A composition used for producing shoe sole without using any releasing agent, shoe sole made therefrom and a process for producing a shoe sole Download PDFInfo
- Publication number
- WO2003055661A1 WO2003055661A1 PCT/KR2001/002250 KR0102250W WO03055661A1 WO 2003055661 A1 WO2003055661 A1 WO 2003055661A1 KR 0102250 W KR0102250 W KR 0102250W WO 03055661 A1 WO03055661 A1 WO 03055661A1
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- WIPO (PCT)
- Prior art keywords
- sole
- shoe sole
- weight
- producing
- composition
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- 238000013329 compounding Methods 0.000 claims abstract description 23
- 238000002156 mixing Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 16
- 229920000642 polymer Polymers 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims description 36
- 229920001296 polysiloxane Polymers 0.000 claims description 36
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 30
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 30
- -1 propylene oxide siloxane Chemical class 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 18
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 18
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 18
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 18
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 claims description 18
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 claims description 18
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 18
- 239000004215 Carbon black (E152) Substances 0.000 claims description 13
- 229930195733 hydrocarbon Natural products 0.000 claims description 13
- 150000002430 hydrocarbons Chemical class 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 13
- 239000006260 foam Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000004604 Blowing Agent Substances 0.000 claims description 9
- 238000004898 kneading Methods 0.000 claims description 9
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 9
- 239000001095 magnesium carbonate Substances 0.000 claims description 9
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 229920001400 block copolymer Polymers 0.000 claims description 8
- 239000002105 nanoparticle Substances 0.000 claims description 8
- 229920001223 polyethylene glycol Polymers 0.000 claims description 8
- 235000012239 silicon dioxide Nutrition 0.000 claims description 8
- 239000004094 surface-active agent Substances 0.000 claims description 8
- 150000003626 triacylglycerols Chemical class 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 7
- 150000002334 glycols Chemical class 0.000 claims description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 7
- 239000005062 Polybutadiene Substances 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 6
- 229920002857 polybutadiene Polymers 0.000 claims description 6
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 5
- 150000001735 carboxylic acids Chemical class 0.000 claims description 5
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 5
- 239000000194 fatty acid Substances 0.000 claims description 5
- 229930195729 fatty acid Natural products 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 239000000787 lecithin Substances 0.000 claims description 5
- 229940067606 lecithin Drugs 0.000 claims description 5
- 235000010445 lecithin Nutrition 0.000 claims description 5
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Chemical class 0.000 claims description 5
- 150000003904 phospholipids Chemical class 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 238000000748 compression moulding Methods 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 229920002681 hypalon Polymers 0.000 abstract description 4
- 230000000379 polymerizing effect Effects 0.000 abstract description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- 235000021355 Stearic acid Nutrition 0.000 description 5
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical class NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 5
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 5
- 239000000049 pigment Substances 0.000 description 5
- 239000008117 stearic acid Substances 0.000 description 5
- 229920003345 Elvax® Polymers 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 3
- 239000003431 cross linking reagent Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 description 2
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- 239000004156 Azodicarbonamide Substances 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 235000019399 azodicarbonamide Nutrition 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- CPGFMWPQXUXQRX-UHFFFAOYSA-N 3-amino-3-(4-fluorophenyl)propanoic acid Chemical compound OC(=O)CC(N)C1=CC=C(F)C=C1 CPGFMWPQXUXQRX-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 210000000497 foam cell Anatomy 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002589 poly(vinylethylene) polymer Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 239000012748 slip agent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/60—Releasing, lubricating or separating agents
- B29C33/62—Releasing, lubricating or separating agents based on polymers or oligomers
- B29C33/64—Silicone
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
Definitions
- This invention relates to a releasing composition for a shoe sole, especially a composition, which can produce a shoe sole easily released from the mold without any external releasing agents.
- Phylon sole Compressed molded pre-foam sole or Injection Phylon sole is referred to ethylene vinyl acetate (hereinafter, referred as "EVA") sole.
- ENA ethylene vinyl acetate
- the ENA is a copolymer which is copolymerized from polyethylene and polyvinyl acetate, and can be blended with additives, blowing agents or crosslinking agents according to their applications.
- Duralon sole is an out-sole in a shoe sole, which is a copolymer of chlorosulfonated polyethylene, and can be blended with additives, blowing agents or crosslinking agents according to their applications.
- a process for producing a shoe sole made of foam for ENA or Duralon is comprised by applying an aqueous external releasing agent onto the aluminum or steel mold each time, forming by way of press mold, and releasing a sole.
- Said press molding is well known in the art, so its detailed description is omitted in this application. Further, the press molding is specifically described in Korean Underexamined Patent Publication No. 2001-64935 entitled "The resin composition for injection molding a shoe mid-sole".
- the first object of this invention is to provide a composition for a shoe sole easily released from the mold without any external releasing agent which helps easy releasing from mold.
- the second object of this invention is to provide a composition, comprising an internal releasing agent (hereinafter, referred as "IMR") used for polymerizing EVA or chlorosulfonated polyurethane in mole ratio, or adding the composition when compounding without any external releasing agents.
- IMR internal releasing agent
- the third object of this invention is to provide a process for producing Phylon sole, Compressed molded pre-foam sole, Injection Phylon sole without using any external releasing agent and a shoe sole made thereby.
- the fourth object of this invention is to provide a process for producing Duralon sole without using any external releasing agent and a shoe sole made thereby.
- the fifth object of this invention is to provide a process for producing a shoe sole, which does not use any applying means for external releasing agents, reduces the steps of process and the number of the clearing to curtail the cost, and enhance the productivity.
- composition added for producing a shoe sole comprising dimethyl fluid PDMS silicone, organofunctional silicone fluid, MgCO 3 , and ethylene vinyl acetate.
- a composition added for producing a shoe sole comprising attactic polypropylene; butadiene rubber; high molecuar weight fatty acid ester on an inorganic carrier; a mixture of highly branched hydrocarbon having molecular weight of 400 to 2,800, carboxylic acid, metal salts of carboxylic acids and phospholipids including heat stable lecithin; and magnesium oxide.
- a composition comprising dimethyl fluid PDMS silicone and organofunctional silicone fluid formulated into ethylene vinyl acetate used for main material of a shoe mid-sole.
- step (b) pouring the resulting mixture into a mold for producing a shoe sole, compression molding at elevated temperature and high pressure by means of press to produce a shoe sole, characterized in that, in the step (a), further adding 1.0 to 20 part by weight of composition comprising dimethyl fluid PDMS silicone, organofunctional silicone fluid, MgCO 3 and ethylene vinyl acetate into 100 parts by weight of ethylene vinyl acetate and compounding it.
- step (a) further adding 1.0 to 20 part by weight of composition comprising dimethyl fluid PDMS silicone, organofunctional silicone fluid, MgCO 3 and ethylene vinyl acetate into 100 parts by weight of ethylene vinyl acetate and compounding it.
- step (b) forming the resulting mixture into sheet, maturing it at an ambient temperature, then pouring it into a mold for producing a shoe sole and compression molding to produce a shoe sole characterized in that, in the step (a), further adding 2.0 to 30 part by weight of composition comprising attactic polypropylene; butadiene rubber; high molecuar weight fatty acid ester on an inorganic carrier; a mixture of highly branched hydrocarbon having molecular weight of 400 to 2,800, carboxylic acid, metal salts of carboxylic acids and phospholipids containing heat stable lecithin; and magnesium oxide into 100 parts by weight of polymer and compounding it.
- composition comprising attactic polypropylene; butadiene rubber; high molecuar weight fatty acid ester on an inorganic carrier; a mixture of highly branched hydrocarbon having molecular weight of 400 to 2,800, carboxylic acid, metal salts of carboxylic acids and phospholipids containing heat stable lecithin; and magnesium oxide into
- This invention are illustrated by example of the process for applying the composition onto mold for Phylon sole, Compressed molded pre-foam (hereinafter, referred "CMP") sole, Injection Phylon sole, or Duralon sole.
- CMP Compressed molded pre-foam
- Injection Phylon sole or Duralon sole.
- this invention can be equivalently applied all processes for producing any shoe sole using the external releasing agent which helps easy releasing from mold.
- This invention relates to a composition produced by polymerizing a main polymer, preferably EVA or chlorosulfonated polyethylene with IMR in certain mole ratio, or by mixing IMR when compounding.
- a main polymer preferably EVA or chlorosulfonated polyethylene with IMR in certain mole ratio
- IMR in certain mole ratio
- internal mold releasing agent means that a composition can produce mid-sole or out-sole with easy releasing from mold without applying any external releasing agents onto the mold.
- This composition i.e., IMR can be added when compounding the main material, or formulated at least one material selected from the group consisting of said IMRs when producing the main material of a shoe sole, for example when synthesizing ethylene vinyl acetate.
- the IMR comprises following materials, specifically compounded at least one material selected from the group consisting of the following.
- organofunctional silicone fluid 100 to 10,000 cst
- IMR (trademark: IMR MB-RT30) was made by compounding 25% of dimethyl fluid PDMS silicone having molecular weight of 100 to 10,000 cst and 22% of organofunctional silicone fluid having molecular weight of 100 to 10,000 cst, 28% of MgCO 3 and 25% of EVA (ELVAX EP2288).
- IMR (trademark: IMR MB-RT30) was made by compounding 2% of mixture of branched hydrocarbon (450 to 800 MW) (15 to 30%), alkyl block copolymers and/or ethylene oxide/propylene oxide siloxane surfactants (10 to 15%) dispersed in nanoparticles (3 to 5%) and silicon dioxide (15 to 25%), saturated triglyceride and polyethylene glycol esters (4 to 6 moles) (20 to 40%); 24% of dimethyl fluid PDMS silicone having molecular weight of 100 to 10,000 cst; 21% of organofunctional silicone fluid having molecular weight of 100 to 10,000 cst; 28% of MgCO 3 ; and 25% of EVA (ELVAX EP2288).
- branched hydrocarbon 450 to 800 MW
- alkyl block copolymers and/or ethylene oxide/propylene oxide siloxane surfactants (10 to 15%) dispersed in nanoparticles (3 to 5%) and silicon dioxide (15 to 25%), saturated triglyceride
- IMR MB-RT30 described in Examples 1 and 2 may be used for Phylon sole and CMP sole.
- Example 3
- IMR (trademark: IMR MB-RT40) was made by compounding 25% of dimethyl fluid PDMS silicone having molecular weight of 100 to 10,000 cst, 12% of organofunctional silicone fluid having molecular weight of 100 to 10,000 cst, 38% of MgCO 3 and 25% of EVA (ELVAX EP2288).
- IMR (trademark: IMR MB-RT40) was made by compounding 2% of mixture of branched hydrocarbon (450 to 800 MW) (15 to 30%), alkyl blockcopolymers and/or ethylene oxide/propylene oxide siloxane surfactants (10 to 15%) dispersed in nanoparticles (3 to 5%) and silicon dioxide (15 to 25%), saturated triglyceride (Cs-C ⁇ ) and polyethylene glycol esters (4 to 6 moles) (20 to 40%); 24% of dimethyl fluid PDMS silicone having molecular weight of 100 to 10,000 cst; 11% of organofunctional silicone fluid having molecular weight of 100 to 10,000 cst; 38% of MgCO 3 ; and 25% of EVA (ELVAX EP2288).
- branched hydrocarbon 450 to 800 MW
- alkyl blockcopolymers and/or ethylene oxide/propylene oxide siloxane surfactants (10 to 15%) dispersed in nanoparticles (3 to 5%) and silicon dioxide (15 to 25%),
- IMR MB-RT40 described in Exampels 3 and 4 may be used for Injection Phylon sole.
- IMR(trademark: IMR MB-MgO50) for Duralon sole was made by compounding 7% of attactic polypropylene; 25% of butadiene rubber; 3% of high molecular weight fatty acid ester on an inorganic carrier; 15% of mixture comprising highly branched hydrocarbon having molecular weight of 400-2800, carboxylic acid, metal salts of carboxylic acids and phospholipids including heat stable lecithin (hereinafter, referred as "IMR 700L); and 50% of magnesium oxide (MgO#150).
- said IMR 700L is specifically described in Korean patent application No. 2000-79019 filed on December 20, 2000 entitled in "A process for producing a shoe out-sole without using any external releasing agent, a shoe out-sole made thereby and a composition for promoting a shoe out-sole".
- IMR was made by mixing 50% of dimethyl fluid PDMS silicone (100 to 10,000 cst) with 50% of organofunctional silicone fluid (100 to 10,000 cst), and compounding 0.5 to 6.0 part by weight (preferably 1.0 part by weight) of mixture into 100 part by weight of ethylene vinyl acetate.
- the primary mixture comprising branched hydrocarbon (15 to 30%) having molecular weight of 450 to 800, alkyl block copolymers and/or ethylene oxide/propylene oxide siloxane surfactants (10 to 15%) dispersed in nanoparticles (3 to 5%), silicon dioxide (15 to 25%), saturated triglyceride (C 8 ⁇ C 18 ) and polyethylene glycol esters (4 to 6 moles) (20 to 40%) was made.
- the secondary mixture is made by mixing 2% of the primary mixture with 48% of dimethyl fluid PDMS silicone having molecular weight of 100 to 10,000 cst and 48% of organofunctional silicone fluid having molecular weight of 100 to 10,000 cst. Then, 0.5 to 6.0 part by weight (preferably 1.0 part by weight) of the secondary mixture was formulated into 100 part by weight of ethylene vinyl acetate to produce IMR.
- IMR described in Examples 6 and 7 may be used in Phylon sole and CMP sole.
- IMR for Injection Phylon sole was made by mixing 60 to 70% (preferably 65%) of dimethyl fluid PDMS silicone (100 to 10,000 cst) with 30 to 40% (preferably 35%) of organofunctional silicone fluid (100 to 10,000 cst), and compounding 1 to 10 part by weight (preferably 4 part by weight) of this mixture into 100 part by weight of ethylene vinyl acetate.
- the primary mixture comprising branched hydrocarbon (450 to 800 MW) (15 to 30%), alkyl block copolymers and/or ethylene oxide/propylene oxide siloxane surfactants (10 to 15%) dispersed in nanoparticles (3 to 5%), silicon dioxide (15 to 25%), and saturated triglyceride (Cs-Cis) and polyethylene glycol esters (4 to 6 moles) (20 to 40%) was made.
- the secondary mixture was made by mixing 2% of the primary mixture with 64% of dimethyl fluid PDMS silicone having molecular weight of 100 to 10,000 cst and 34% of organofunctional silicone fluid having molecular weight of 100 to 10,000 cst.
- EVA 100 part by weight of EVA, 1.06 part by weight of stearic acid (softener), 2.5 part by weight of zinc oxide (kicker), 5.5 part by weight of magnesium carbonate (filler) and 2 part by weight of IMR MB-RT30 was performed a primary mixing for 13 minutes by kneading (compound temperature: 115 ⁇ 10 ° C), a secondary mixing for 8 minutes by 18" rolling (compound temeperature: 70 ⁇ 10 ° C), and cut the mixture into certain size of pieces.
- composition was poured onto mold, and subjected to press molding to produce Phylon sole.
- EVA 100 part by weight of EVA, 0.3 part by weight of stearic acid (softener), 2.0 part by weight of zinc oxide (kicker), 5.0 part by weight of magnesium carbonate (filler) and 2 part by weight of IMR MB-RT30 was performed a primary mixing for 13 minutes by kneading (compound temperature: 115+ 10 ° C), a secondary mixing for 8 minutes by 18" rolling (compound temperature: 70+ 10 ° C), and cut the mixture into certain size of pieces.
- the resulting mixture was performed a tertiary mixing with 8.5 part by weight of modified azodicarbonamide (blowing agent), 0.6 part by weight of dicumyl peroxide (curing agent) and 7.83 part by weight of pigment (preferably 7.6 part by weight of TiO 2 -50, 0.21 part by weight of MY5200 blue (50% MB) and 0.02 part by weight of 2B Red (10% MB)) for 13 to 15 minutes by 22" rolling (compound temperature: 70+ 5 ° C), subjected to calender sheeting (roll temperature: 70+ 5 ° C, cooling chamber: 30 ° C, sheet temperature: 40 to 50 ° C) and cooling to produce a composition for CMP.
- modified azodicarbonamide blowing agent
- curing agent dicumyl peroxide
- pigment preferably 7.6 part by weight of TiO 2 -50, 0.21 part by weight of MY5200 blue (50% MB) and 0.02 part by weight of 2B Red (10% MB)
- CMP sole was made by conventional CMP pre-foam and pre-foam press process.
- EVA 100 part by weight of EVA, 1.0 part by weight of stearic acid (softener), 2.5 part by weight of zinc oxide (kicker), 1.0 part by weight of acetamide (slip agent), 2 part by weight of IMR MB-RT30, 3.32 part by weight of modified azodicarbonamide (blowing agent), 0.9 part by weight of dicumyl peroxide(curing agent), 0.16 part by weight of triallyl cyanurate (curing co-agent), 0.04 part by weight of 1,2-polybutadiene (curing co-agent), and 4.29 part by weight of pigment (preferably 4.0 part by weight of A-TiO 2 , 0.15 part by weight of submarine blue #99, 0.14 part by weight of Nike MB) were kneaded, mixed by rolling, and extruded into certain size of pieces.
- a pigment may be added to the kneading process.
- the pigment added is 0.67 part by weight of TiO 2 , 1.34 part by weight of D/blue5020, 0.2 part by weight of carbon black and 0.67 part by weight of 2B red.
- the resulting mixture was performed a tertiary mixing with 3.2 part by weight of zinc oxide (active 80%, BZM/80MB), 0.3 part by weight of dipentamethylene thiuramtetrasulfide (accelerator), 1.6 part by weight of triallyl cyanurate (co-agent), 4.0 part by weight of azo dicarbonamide (blowing agent), and 4.0 part by weight of azo dicarbonamide added urea (blowing agent) by mixing roll process (rolling temperature: at most 50 ° C), cooled, cut, maturated at ambient temperature for 12 hours, and foamed at elevated temperature and high pressure by using conventional hot press to produce Duralon sole.
- the main material comprising IMR of this invention improves dispersion force of other additives as compared to the prior art when compounding.
- the product of this invention has more regular foam size and dispersion force than the prior art using external releasing agents.
- this invention can extend of the cycle of the mold clearing and curtail the cost, since it does not use external releasing agents, it may protect the mold from contamination and erosion.
- this invention can improve adhesion and enhance productivity.
- this invention can reduce abrasion of machine and enhance the durability of the machine due to good kneading when compounding EVA or Duralon.
- this invention can improve regular dispersion and adhesion when compounding EVA or Duralon, enhance the physical properties and reduce the defective proportion.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
This invention relates to a composition comprising an internal releasing agent (hereinafter, referred as 'IMR'), which is used for polymerizing main polymer, preferably EVA or chlorosulfonated polyethylene in certain mole ratio, or blending EVA with the composition, or adding the composition when compounding the main material. Thus, the product can be easily released from the mold by IMR component, which contained in a main material without using any external releasing agents.
Description
A COMPOSITION USED FOR PRODUCING SHOE SOLE WITHOUT
USING ANY RELEASING AGENT, SHOE SOLE MADE THEREFROM
AND A PROCESS FOR PRODUCING A SHOE SOLE
Technical Field
This invention relates to a releasing composition for a shoe sole, especially a composition, which can produce a shoe sole easily released from the mold without any external releasing agents.
Background Art
Phylon sole, Compressed molded pre-foam sole or Injection Phylon sole is referred to ethylene vinyl acetate (hereinafter, referred as "EVA") sole. The ENA is a copolymer which is copolymerized from polyethylene and polyvinyl acetate, and can be blended with additives, blowing agents or crosslinking agents according to their applications. Duralon sole is an out-sole in a shoe sole, which is a copolymer of chlorosulfonated polyethylene, and can be blended with additives, blowing agents or crosslinking agents according to their applications.
A process for producing a shoe sole made of foam for ENA or Duralon is comprised by applying an aqueous external releasing agent onto the aluminum or steel mold each time, forming by way of press mold, and releasing a sole. Said press molding is well known in the art, so its detailed description is omitted in this application. Further, the press molding is specifically described in Korean Underexamined Patent
Publication No. 2001-64935 entitled "The resin composition for injection molding a shoe mid-sole".
Regarding to method of using an external releasing agent which is commonly used in the inside and outside of the country and the principles thereof, a small amount of external releasing agent is sprayed onto the surface of the mold to coat the mold and make a film on the mold, then when the main material is cured to final product, it easily releases not so as to stick the product to the surface of the mold.
But, as mentioned in the above, when applying the external releasing agent onto the surface of the mold, it causes contamination or erosion of the mold and needs regular cleaning of the mold, which also become troublesome. And, due to the irregular coating thickness of external releasing agent, the size of the sole can be changed, and occur poor adhesion.
Summary of the Invention
Thus, the first object of this invention is to provide a composition for a shoe sole easily released from the mold without any external releasing agent which helps easy releasing from mold.
The second object of this invention is to provide a composition, comprising an internal releasing agent (hereinafter, referred as "IMR") used for polymerizing EVA or chlorosulfonated polyurethane in mole ratio, or adding the composition when compounding without any external releasing agents.
The third object of this invention is to provide a process for producing Phylon sole, Compressed molded pre-foam sole, Injection Phylon sole without using any external releasing agent and a shoe sole made thereby.
The fourth object of this invention is to provide a process for producing
Duralon sole without using any external releasing agent and a shoe sole made thereby.
The fifth object of this invention is to provide a process for producing a shoe sole, which does not use any applying means for external releasing agents, reduces the steps of process and the number of the clearing to curtail the cost, and enhance the productivity.
Detailed Description of the Invention
According to the aspect of the invention, it is provided a composition added for producing a shoe sole, comprising dimethyl fluid PDMS silicone, organofunctional silicone fluid, MgCO3, and ethylene vinyl acetate.
According to the aspect of the invention, it is provided a composition added for producing a shoe sole, comprising attactic polypropylene; butadiene rubber; high molecuar weight fatty acid ester on an inorganic carrier; a mixture of highly branched hydrocarbon having molecular weight of 400 to 2,800, carboxylic acid, metal salts of carboxylic acids and phospholipids including heat stable lecithin; and magnesium oxide. According to the aspect of the invention, it is provided a composition comprising dimethyl fluid PDMS silicone and organofunctional silicone fluid formulated into ethylene vinyl acetate used for main material of a shoe mid-sole.
According to the aspect of the invention, it is provided a process for producing a shoe sole comprising the following steps:
(a) compounding ethylene vinyl acetate as main material with filler and various additives and mixing by means of kneading or rolling process,
(b) pouring the resulting mixture into a mold for producing a shoe sole, compression molding at elevated temperature and high pressure by means
of press to produce a shoe sole, characterized in that, in the step (a), further adding 1.0 to 20 part by weight of composition comprising dimethyl fluid PDMS silicone, organofunctional silicone fluid, MgCO3 and ethylene vinyl acetate into 100 parts by weight of ethylene vinyl acetate and compounding it.
According to the aspect of the invention, it is provided a process for producing a shoe sole comprising the following steps
(a) compounding polymer as main material with a crosslinking agent, a blowing agent and various additives, performing a primary mixing by means of kneading or Banbury process, and a secondary mixing by rolling process; and
(b) forming the resulting mixture into sheet, maturing it at an ambient temperature, then pouring it into a mold for producing a shoe sole and compression molding to produce a shoe sole characterized in that, in the step (a), further adding 2.0 to 30 part by weight of composition comprising attactic polypropylene; butadiene rubber; high molecuar weight fatty acid ester on an inorganic carrier; a mixture of highly branched hydrocarbon having molecular weight of 400 to 2,800, carboxylic acid, metal salts of carboxylic acids and phospholipids containing heat stable lecithin; and magnesium oxide into 100 parts by weight of polymer and compounding it.
Preferred embodiments of this invention are specifically described as follow.
This invention are illustrated by example of the process for applying the
composition onto mold for Phylon sole, Compressed molded pre-foam (hereinafter, referred "CMP") sole, Injection Phylon sole, or Duralon sole. However, it is obvious that this invention can be equivalently applied all processes for producing any shoe sole using the external releasing agent which helps easy releasing from mold.
This invention relates to a composition produced by polymerizing a main polymer, preferably EVA or chlorosulfonated polyethylene with IMR in certain mole ratio, or by mixing IMR when compounding. Thus, the product can easily released from the mold by IMR component which contained in the main material without using any external releasing agents.
The term "internal mold releasing agent" means that a composition can produce mid-sole or out-sole with easy releasing from mold without applying any external releasing agents onto the mold. This composition, i.e., IMR can be added when compounding the main material, or formulated at least one material selected from the group consisting of said IMRs when producing the main material of a shoe sole, for example when synthesizing ethylene vinyl acetate.
The IMR comprises following materials, specifically compounded at least one material selected from the group consisting of the following.
(a) branched hydrocarbon (450 to 800 MW) (15 to 30%), alkyl block copolymers and/or ethylene oxide/propylene oxide siloxane surfactants (10 to 15%) dispersed in nanoparticles (3 to 5%) and silicon dioxide (15 to 25%), saturated triglyceride (Cs- s) and polyethylene glycol esters (4 to 6 moles) (20 to 40%),
(b) dimethyl fluid PDMS silicone (100 to 10,000 cst),
(c) organofunctional silicone fluid (100 to 10,000 cst),
(d) amide ester wax,
(e) powder stearic acid, and
(f) micronised wax.
The following examples are given for the purpose of illustrating the present invention and shall not be construed as being limitations on the scope or spirit of the invention
Example 1
IMR(trademark: IMR MB-RT30) was made by compounding 25% of dimethyl fluid PDMS silicone having molecular weight of 100 to 10,000 cst and 22% of organofunctional silicone fluid having molecular weight of 100 to 10,000 cst, 28% of MgCO3 and 25% of EVA (ELVAX EP2288).
Example 2
IMR (trademark: IMR MB-RT30) was made by compounding 2% of mixture of branched hydrocarbon (450 to 800 MW) (15 to 30%), alkyl block copolymers and/or ethylene oxide/propylene oxide siloxane surfactants (10 to 15%) dispersed in nanoparticles (3 to 5%) and silicon dioxide (15 to 25%), saturated triglyceride
and polyethylene glycol esters (4 to 6 moles) (20 to 40%); 24% of dimethyl fluid PDMS silicone having molecular weight of 100 to 10,000 cst; 21% of organofunctional silicone fluid having molecular weight of 100 to 10,000 cst; 28% of MgCO3; and 25% of EVA (ELVAX EP2288).
IMR MB-RT30 described in Examples 1 and 2 may be used for Phylon sole and CMP sole.
Example 3
IMR (trademark: IMR MB-RT40) was made by compounding 25% of dimethyl fluid PDMS silicone having molecular weight of 100 to 10,000 cst, 12% of organofunctional silicone fluid having molecular weight of 100 to 10,000 cst, 38% of MgCO3 and 25% of EVA (ELVAX EP2288).
Example 4
IMR(trademark: IMR MB-RT40) was made by compounding 2% of mixture of branched hydrocarbon (450 to 800 MW) (15 to 30%), alkyl blockcopolymers and/or ethylene oxide/propylene oxide siloxane surfactants (10 to 15%) dispersed in nanoparticles (3 to 5%) and silicon dioxide (15 to 25%), saturated triglyceride (Cs-C^) and polyethylene glycol esters (4 to 6 moles) (20 to 40%); 24% of dimethyl fluid PDMS silicone having molecular weight of 100 to 10,000 cst; 11% of organofunctional silicone fluid having molecular weight of 100 to 10,000 cst; 38% of MgCO3; and 25% of EVA (ELVAX EP2288).
IMR MB-RT40 described in Exampels 3 and 4 may be used for Injection Phylon sole.
Example 5
IMR(trademark: IMR MB-MgO50) for Duralon sole was made by compounding 7% of attactic polypropylene; 25% of butadiene rubber; 3% of high molecular weight fatty acid ester on an inorganic carrier; 15% of mixture comprising highly branched hydrocarbon having molecular weight of 400-2800, carboxylic acid,
metal salts of carboxylic acids and phospholipids including heat stable lecithin (hereinafter, referred as "IMR 700L); and 50% of magnesium oxide (MgO#150).
Further, said IMR 700L is specifically described in Korean patent application No. 2000-79019 filed on December 20, 2000 entitled in "A process for producing a shoe out-sole without using any external releasing agent, a shoe out-sole made thereby and a composition for promoting a shoe out-sole".
Example 6
IMR was made by mixing 50% of dimethyl fluid PDMS silicone (100 to 10,000 cst) with 50% of organofunctional silicone fluid (100 to 10,000 cst), and compounding 0.5 to 6.0 part by weight (preferably 1.0 part by weight) of mixture into 100 part by weight of ethylene vinyl acetate.
Example 7
The primary mixture comprising branched hydrocarbon (15 to 30%) having molecular weight of 450 to 800, alkyl block copolymers and/or ethylene oxide/propylene oxide siloxane surfactants (10 to 15%) dispersed in nanoparticles (3 to 5%), silicon dioxide (15 to 25%), saturated triglyceride (C8~C18) and polyethylene glycol esters (4 to 6 moles) (20 to 40%) was made.
Thereafter, the secondary mixture is made by mixing 2% of the primary mixture with 48% of dimethyl fluid PDMS silicone having molecular weight of 100 to 10,000 cst and 48% of organofunctional silicone fluid having molecular weight of 100 to 10,000 cst.
Then, 0.5 to 6.0 part by weight (preferably 1.0 part by weight) of the secondary mixture was formulated into 100 part by weight of ethylene vinyl acetate to produce IMR.
IMR described in Examples 6 and 7 may be used in Phylon sole and CMP sole.
Example 8
IMR for Injection Phylon sole was made by mixing 60 to 70% (preferably 65%) of dimethyl fluid PDMS silicone (100 to 10,000 cst) with 30 to 40% (preferably 35%) of organofunctional silicone fluid (100 to 10,000 cst), and compounding 1 to 10 part by weight (preferably 4 part by weight) of this mixture into 100 part by weight of ethylene vinyl acetate.
Example 9
The primary mixture comprising branched hydrocarbon (450 to 800 MW) (15 to 30%), alkyl block copolymers and/or ethylene oxide/propylene oxide siloxane surfactants (10 to 15%) dispersed in nanoparticles (3 to 5%), silicon dioxide (15 to 25%), and saturated triglyceride (Cs-Cis) and polyethylene glycol esters (4 to 6 moles) (20 to 40%) was made.
Thereafter, the secondary mixture was made by mixing 2% of the primary mixture with 64% of dimethyl fluid PDMS silicone having molecular weight of 100 to 10,000 cst and 34% of organofunctional silicone fluid having molecular weight of 100 to 10,000 cst.
Then, 1 to 10 part by weight (preferably 4 part by weight) of the secondary mixture was formulated into 100 part by weight of ethylene vinyl acetate to produce
IMR for Injection Phylon sole.
Example 10
100 part by weight of EVA, 1.06 part by weight of stearic acid (softener), 2.5 part by weight of zinc oxide (kicker), 5.5 part by weight of magnesium carbonate (filler) and 2 part by weight of IMR MB-RT30 was performed a primary mixing for 13 minutes by kneading (compound temperature: 115±10°C), a secondary mixing for 8 minutes by 18" rolling (compound temeperature: 70±10°C), and cut the mixture into certain size of pieces.
Thereafter, the resulting mixture was performed a tertiary mixing with 9 part by weight of modified azodicarbonamide as a blowing agent, 0.8 part by weight of dicumyl peroxide as a curing agent and 4.18 part by weight of pigment (preferably 3.82 part by weight of TiO2-50, 0.25 part by weight of U-Blue and 0.11 part by weight of KCB) for 13 to 15 minutes by 22" rolling (compound temperature: 70±5 °C), subjected to calender sheeting (roll temperature: 70+5 °C, cooling chamber: 30 °C, sheet temperature: 40 to 50 °C) and cooling to produce a composition for Phylon sole.
Then, the composition was poured onto mold, and subjected to press molding to produce Phylon sole.
Example 11
100 part by weight of EVA, 0.3 part by weight of stearic acid (softener), 2.0 part by weight of zinc oxide (kicker), 5.0 part by weight of magnesium carbonate (filler) and 2 part by weight of IMR MB-RT30 was performed a primary mixing for 13 minutes by kneading (compound temperature: 115+ 10 °C), a secondary mixing for 8 minutes by
18" rolling (compound temperature: 70+ 10 °C), and cut the mixture into certain size of pieces.
Thereafter, the resulting mixture was performed a tertiary mixing with 8.5 part by weight of modified azodicarbonamide (blowing agent), 0.6 part by weight of dicumyl peroxide (curing agent) and 7.83 part by weight of pigment (preferably 7.6 part by weight of TiO2-50, 0.21 part by weight of MY5200 blue (50% MB) and 0.02 part by weight of 2B Red (10% MB)) for 13 to 15 minutes by 22" rolling (compound temperature: 70+ 5 °C), subjected to calender sheeting (roll temperature: 70+ 5°C, cooling chamber: 30 °C, sheet temperature: 40 to 50 °C) and cooling to produce a composition for CMP.
Then, CMP sole was made by conventional CMP pre-foam and pre-foam press process.
Example 12
100 part by weight of EVA, 1.0 part by weight of stearic acid (softener), 2.5 part by weight of zinc oxide (kicker), 1.0 part by weight of acetamide (slip agent), 2 part by weight of IMR MB-RT30, 3.32 part by weight of modified azodicarbonamide (blowing agent), 0.9 part by weight of dicumyl peroxide(curing agent), 0.16 part by weight of triallyl cyanurate (curing co-agent), 0.04 part by weight of 1,2-polybutadiene (curing co-agent), and 4.29 part by weight of pigment (preferably 4.0 part by weight of A-TiO2, 0.15 part by weight of submarine blue #99, 0.14 part by weight of Nike MB) were kneaded, mixed by rolling, and extruded into certain size of pieces.
Thereafter, the resulting mixture was dehydrated and dried to produce a compound for Injection Phylon sole. An extinction effect, which delustered the surface
of the mid-sole, occurred when compounding.
Example 13
10 part by weight of butadiene rubber was formulated with 90 part by weight of chlorosulfonated-poly ethylene and 6.0 part by weight of IMR MB-MgO50 and added 1.0 part by weight of stearic acid (activator), 15 part by weight silica (filler) and 3.0 part by weight of pentaerithritol (TAC activator). Thereafter, the resulting mixture was performed a primary mixing by kneading process (initial temperature: 65 to 70 °C, mixing time: 3 min. and 30 sec, compound temperature: 90 to 95 °C) or by Banbury process, a secondary mixing by 22" rolling process (rolling temperature: at most 50 °C, roll gap: 6 to 7 mm), subjected to sheeting, divided into 3 parts and cooled them. A pigment may be added to the kneading process. The pigment added is 0.67 part by weight of TiO2, 1.34 part by weight of D/blue5020, 0.2 part by weight of carbon black and 0.67 part by weight of 2B red.
Then, the resulting mixture was performed a tertiary mixing with 3.2 part by weight of zinc oxide (active 80%, BZM/80MB), 0.3 part by weight of dipentamethylene thiuramtetrasulfide (accelerator), 1.6 part by weight of triallyl cyanurate (co-agent), 4.0 part by weight of azo dicarbonamide (blowing agent), and 4.0 part by weight of azo dicarbonamide added urea (blowing agent) by mixing roll process (rolling temperature: at most 50 °C), cooled, cut, maturated at ambient temperature for 12 hours, and foamed at elevated temperature and high pressure by using conventional hot press to produce Duralon sole.
As described the above, this invention has some advantages as follows.
First, the main material comprising IMR of this invention improves dispersion force of other additives as compared to the prior art when compounding. When comparing the size of the foam cell and dispersion force of the cross-section of the foamed product, the product of this invention has more regular foam size and dispersion force than the prior art using external releasing agents.
Second, this invention can extend of the cycle of the mold clearing and curtail the cost, since it does not use external releasing agents, it may protect the mold from contamination and erosion.
Third, owing to devoid of the excess coat of the external releasing agents, this invention can improve adhesion and enhance productivity.
Fourth, this invention can reduce abrasion of machine and enhance the durability of the machine due to good kneading when compounding EVA or Duralon.
Fifth, this invention can improve regular dispersion and adhesion when compounding EVA or Duralon, enhance the physical properties and reduce the defective proportion.
Claims
1. A composition added for producing a shoe sole, comprising dimethyl fluid PDMS silicone; organofunctional silicone fluid; MgCO3 and ethylene vinyl acetate.
2. The composition according to Claim 1, wherein further comprising branched hydrocarbon, alkyl block copolymers and/or ethylene oxide/propylene oxide siloxane surfactants dispersed in nanoparticles and silicon dioxide, saturated triglyceride and polyethylene glycol esters.
3. The composition according to Claims 1 or 2, wherein the dimethyl fluid PDMS silicone and organofunctional silicone fluid have molecular weight of 100 to 10,000 cst respectively.
4. The composition according any one of Claims 1 to 3, wherein the shoe sole is made of Phylon sole or Compressed molded pre-foam sole or Injection Phylon sole.
5. A composition added for producing a shoe sole, comprising attactic polypropylene; butadiene rubber; high molecuar weight fatty acid ester on an inorganic carrier; a mixture of highly branched hydrocarbon having molecular weight of 400 to 2,800, carboxylic acid, metal salts of carboxylic acids and phospholipids including heat stable lecithin; and magnesium oxide.
6. The composition according to Claim 5, wherein the shoe sole is made of Duralon sole.
7. A composition comprising dimethyl fluid PDMS silicone and organofunctional silicone fluid formulated in ethylene vinyl acetate used for a main material for shoe mid-sole.
8. The composition according to Claim 7, wherein further comprising branched hydrocarbon, alkyl block copolymers and/or ethylene oxide/propylene oxide siloxane surfactants dispersed in nanoparticles, silicon dioxide, saturated triglyceride and polyethylene glycol ester.
9. The composition according to Claim 7, wherein said dimethyl fluid PDMS silicone and organofunctional silicone fluid are formulated in ratio of 1:1.
10. The composition according to any one of Claim 7 to 9, wherein the ethylene vinyl acetate is added when producing Phylon sole or Compressed molded pre-foam sole.
11. The composition according to Claim 7, wherein the dimethyl fluid PDMS silicone and organofunctional silicone fluid are formulated in ratio of 60 to 70% : 30 to 40%.
12. The composition according to any one of Claims 7, 8 or 11, said ethylene vinyl acetate is added when producing Injection Phylon sole.
13. A process for producing a shoe sole comprising the following steps:
(a) compounding ethylene vinyl acetate as a main material with filler and various additive and mixing the mixture by means of kneading or rolling process,
(b) introducing the resulting mixture into mold for producing a sole, compression molding at elevated temperature and high pressure by means of press, characterized in that, in the step (a), further adding 1 to 20 part by weight of composition comprising dimethyl fluid PDMS silicone, organofunctional silicone fluid, MgCO and ethylene vinyl acetate to 100 parts by weight of ethylene vinyl acetate and compounding.
14. The process according to Claim 13, characterized in that the composition further comprises branched hydrocarbon, alkyl block copolymers and/or ethylene oxide/propylene oxide siloxane surfactants dispersed in nanoparticles, silicon dioxide, saturated triglyceride and polyethylene glycol esters.
15. The process according to Claims 13 or 14, characterized in that the shoe sole is Phylon sole, Compressed molded pre-foam sole or Injection Phylon sole.
16. A shoe sole made by the process defined in Claims 13 or 14.
17. A process for producing a shoe sole comprising the following steps
(a) compounding polymer as a main material with crosslingking agent, blowing agent and various additives, performing a primary mixing by means of kneading or rolling process and a secondary mixing by rolling process; and
(b) forming the resulting mixture into sheet, maturing it at an ambient temperature, then pouring it into mold for producing a shoe sole and compression molding to produce a shoe sole characterized in that, in the step (a), further adding 2 to 30 part by weight of composition comprising attactic polypropylene; butadiene rubber; high molecuar weight fatty acid ester on an inorganic carrier; a mixture of highly branched hydrocarbon having molecular weight of 400 to 2,800, carboxylic acid, metal salts of carboxylic acids and phospholipids containing heat stable lecithin; and magnesium oxide to 100 parts by weight of polymer and compounding it.
18. The process according to Claim 17, wherein the shoe sole is Duralon sole.
19. A shoe sole made by the process defined in Claim 17.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2002216468A AU2002216468A1 (en) | 2001-12-24 | 2001-12-24 | A composition used for producing shoe sole without using any releasing agent, shoe sole made therefrom and a process for producing a shoe sole |
| PCT/KR2001/002250 WO2003055661A1 (en) | 2001-12-24 | 2001-12-24 | A composition used for producing shoe sole without using any releasing agent, shoe sole made therefrom and a process for producing a shoe sole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KR2001/002250 WO2003055661A1 (en) | 2001-12-24 | 2001-12-24 | A composition used for producing shoe sole without using any releasing agent, shoe sole made therefrom and a process for producing a shoe sole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2003055661A1 true WO2003055661A1 (en) | 2003-07-10 |
Family
ID=19198496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2001/002250 WO2003055661A1 (en) | 2001-12-24 | 2001-12-24 | A composition used for producing shoe sole without using any releasing agent, shoe sole made therefrom and a process for producing a shoe sole |
Country Status (2)
| Country | Link |
|---|---|
| AU (1) | AU2002216468A1 (en) |
| WO (1) | WO2003055661A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1661941A1 (en) * | 2003-09-02 | 2006-05-31 | Nitto Denko Corporation | Expandable composition for filling use, expandable member for filling use and expanded article for filling use |
| CN108437336A (en) * | 2018-04-16 | 2018-08-24 | 上海珠旭智能科技有限公司 | The finished product die for shoe-sole of EVA foaming machines clears up release agent spraying device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244912A (en) * | 1979-03-05 | 1981-01-13 | Dow Corning Corporation | Molding process using curable silicone release compositions |
| JPH03269038A (en) * | 1990-03-20 | 1991-11-29 | Japan Synthetic Rubber Co Ltd | Rubber composition |
| WO1994019414A1 (en) * | 1993-02-23 | 1994-09-01 | Stone Industries, Inc. | Slip resistant compositions and uses |
| KR20010064935A (en) * | 1999-12-20 | 2001-07-11 | 유현식 | Resin composition for injection molded shoes midsole |
-
2001
- 2001-12-24 AU AU2002216468A patent/AU2002216468A1/en not_active Abandoned
- 2001-12-24 WO PCT/KR2001/002250 patent/WO2003055661A1/en not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244912A (en) * | 1979-03-05 | 1981-01-13 | Dow Corning Corporation | Molding process using curable silicone release compositions |
| JPH03269038A (en) * | 1990-03-20 | 1991-11-29 | Japan Synthetic Rubber Co Ltd | Rubber composition |
| WO1994019414A1 (en) * | 1993-02-23 | 1994-09-01 | Stone Industries, Inc. | Slip resistant compositions and uses |
| KR20010064935A (en) * | 1999-12-20 | 2001-07-11 | 유현식 | Resin composition for injection molded shoes midsole |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1661941A1 (en) * | 2003-09-02 | 2006-05-31 | Nitto Denko Corporation | Expandable composition for filling use, expandable member for filling use and expanded article for filling use |
| EP1661941A4 (en) * | 2003-09-02 | 2006-10-18 | Nitto Denko Corp | Expandable composition for filling use, expandable member for filling use and expanded article for filling use |
| US7627998B2 (en) | 2003-09-02 | 2009-12-08 | Nitto Denko Corporation | Filling foam composition, foam filling member, and filling foam |
| US7989515B2 (en) | 2003-09-02 | 2011-08-02 | Nitto Denko Corporation | Filling foam composition, foam filling member, and filling foam |
| US7994230B2 (en) | 2003-09-02 | 2011-08-09 | Nitto Denko Corporation | Filling foam composition, foam filling member, and filling foam |
| CN108437336A (en) * | 2018-04-16 | 2018-08-24 | 上海珠旭智能科技有限公司 | The finished product die for shoe-sole of EVA foaming machines clears up release agent spraying device |
| CN108437336B (en) * | 2018-04-16 | 2023-11-24 | 茂泰(福建)新材料科技有限公司 | Device for cleaning and spraying release agent on finished sole mould of EVA foaming machine |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2002216468A1 (en) | 2003-07-15 |
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