WO2021234264A1 - Structure multicouche a base de polyamide recycle - Google Patents
Structure multicouche a base de polyamide recycle Download PDFInfo
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- WO2021234264A1 WO2021234264A1 PCT/FR2021/050857 FR2021050857W WO2021234264A1 WO 2021234264 A1 WO2021234264 A1 WO 2021234264A1 FR 2021050857 W FR2021050857 W FR 2021050857W WO 2021234264 A1 WO2021234264 A1 WO 2021234264A1
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- 229920002647 polyamide Polymers 0.000 title claims abstract description 46
- 239000004952 Polyamide Substances 0.000 title claims abstract description 42
- 239000010410 layer Substances 0.000 claims abstract description 216
- 239000000203 mixture Substances 0.000 claims abstract description 147
- 229920006177 crystalline aliphatic polyamide Polymers 0.000 claims abstract description 90
- 239000004609 Impact Modifier Substances 0.000 claims abstract description 71
- 239000002356 single layer Substances 0.000 claims abstract description 68
- 239000012530 fluid Substances 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 42
- 229920006659 PA12 Polymers 0.000 claims abstract description 39
- 229920000572 Nylon 6/12 Polymers 0.000 claims abstract description 38
- 229920006152 PA1010 Polymers 0.000 claims abstract description 23
- 239000003502 gasoline Substances 0.000 claims description 88
- 125000004432 carbon atom Chemical group C* 0.000 claims description 38
- 229910052757 nitrogen Inorganic materials 0.000 claims description 38
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 38
- 239000004014 plasticizer Substances 0.000 claims description 31
- 239000000654 additive Substances 0.000 claims description 28
- 230000001476 alcoholic effect Effects 0.000 claims description 27
- 239000000446 fuel Substances 0.000 claims description 27
- 239000003225 biodiesel Substances 0.000 claims description 26
- 239000000470 constituent Substances 0.000 claims description 20
- 230000000996 additive effect Effects 0.000 claims description 19
- 239000011230 binding agent Substances 0.000 claims description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 239000003921 oil Substances 0.000 claims description 10
- 125000001931 aliphatic group Chemical group 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229920006114 semi-crystalline semi-aromatic polyamide Polymers 0.000 claims description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000003570 air Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 230000001747 exhibiting effect Effects 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 claims 1
- 230000008025 crystallization Effects 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 229920000571 Nylon 11 Polymers 0.000 description 73
- IPRJXAGUEGOFGG-UHFFFAOYSA-N N-butylbenzenesulfonamide Chemical compound CCCCNS(=O)(=O)C1=CC=CC=C1 IPRJXAGUEGOFGG-UHFFFAOYSA-N 0.000 description 50
- 239000003381 stabilizer Substances 0.000 description 45
- -1 ferrous metals Chemical class 0.000 description 23
- 229920000098 polyolefin Polymers 0.000 description 22
- 229920006396 polyamide 1012 Polymers 0.000 description 21
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 20
- 229920001577 copolymer Polymers 0.000 description 20
- 239000005977 Ethylene Substances 0.000 description 19
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 13
- 229920002292 Nylon 6 Polymers 0.000 description 13
- 238000002844 melting Methods 0.000 description 13
- 230000008018 melting Effects 0.000 description 13
- 238000006068 polycondensation reaction Methods 0.000 description 13
- 150000004985 diamines Chemical class 0.000 description 11
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 11
- 238000004064 recycling Methods 0.000 description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 10
- UFRKOOWSQGXVKV-UHFFFAOYSA-N ethene;ethenol Chemical compound C=C.OC=C UFRKOOWSQGXVKV-UHFFFAOYSA-N 0.000 description 10
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- 150000001413 amino acids Chemical class 0.000 description 9
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- 230000004927 fusion Effects 0.000 description 9
- 150000003951 lactams Chemical class 0.000 description 9
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 8
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 8
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 8
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 8
- LWBHHRRTOZQPDM-UHFFFAOYSA-N undecanedioic acid Chemical compound OC(=O)CCCCCCCCCC(O)=O LWBHHRRTOZQPDM-UHFFFAOYSA-N 0.000 description 8
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 7
- 229920000305 Nylon 6,10 Polymers 0.000 description 7
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 7
- 230000032683 aging Effects 0.000 description 7
- 150000008064 anhydrides Chemical class 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 7
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 6
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 6
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 6
- 150000002148 esters Chemical class 0.000 description 6
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 6
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 6
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
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- 239000008187 granular material Substances 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- 229920001519 homopolymer Polymers 0.000 description 5
- YIMHRDBSVCPJOV-UHFFFAOYSA-N n'-(2-ethoxyphenyl)-n-(2-ethylphenyl)oxamide Chemical compound CCOC1=CC=CC=C1NC(=O)C(=O)NC1=CC=CC=C1CC YIMHRDBSVCPJOV-UHFFFAOYSA-N 0.000 description 5
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 4
- PBLZLIFKVPJDCO-UHFFFAOYSA-N 12-aminododecanoic acid Chemical compound NCCCCCCCCCCCC(O)=O PBLZLIFKVPJDCO-UHFFFAOYSA-N 0.000 description 4
- VSKJLJHPAFKHBX-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 VSKJLJHPAFKHBX-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- BTZVDPWKGXMQFW-UHFFFAOYSA-N Pentadecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCCC(O)=O BTZVDPWKGXMQFW-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000007872 degassing Methods 0.000 description 4
- TVIDDXQYHWJXFK-UHFFFAOYSA-N dodecanedioic acid Chemical compound OC(=O)CCCCCCCCCCC(O)=O TVIDDXQYHWJXFK-UHFFFAOYSA-N 0.000 description 4
- QQHJDPROMQRDLA-UHFFFAOYSA-N hexadecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCCCC(O)=O QQHJDPROMQRDLA-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- BNJOQKFENDDGSC-UHFFFAOYSA-N octadecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCCCCCC(O)=O BNJOQKFENDDGSC-UHFFFAOYSA-N 0.000 description 4
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- HQHCYKULIHKCEB-UHFFFAOYSA-N tetradecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCC(O)=O HQHCYKULIHKCEB-UHFFFAOYSA-N 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
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- PWGJDPKCLMLPJW-UHFFFAOYSA-N 1,8-diaminooctane Chemical compound NCCCCCCCCN PWGJDPKCLMLPJW-UHFFFAOYSA-N 0.000 description 3
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- 206010011906 Death Diseases 0.000 description 3
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- 238000005520 cutting process Methods 0.000 description 1
- KBLWLMPSVYBVDK-UHFFFAOYSA-N cyclohexyl prop-2-enoate Chemical compound C=CC(=O)OC1CCCCC1 KBLWLMPSVYBVDK-UHFFFAOYSA-N 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 238000001938 differential scanning calorimetry curve Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- LJOSESICVCVVCK-UHFFFAOYSA-N docosane-1,1-diamine Chemical compound CCCCCCCCCCCCCCCCCCCCCC(N)N LJOSESICVCVVCK-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
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- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229920006017 homo-polyamide Polymers 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000005165 hydroxybenzoic acids Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- FCGASPQFBJKTRO-UHFFFAOYSA-N n-cyclohexyl-1-phenylmethanesulfonamide Chemical compound C1CCCCC1NS(=O)(=O)CC1=CC=CC=C1 FCGASPQFBJKTRO-UHFFFAOYSA-N 0.000 description 1
- OHPZPBNDOVQJMH-UHFFFAOYSA-N n-ethyl-4-methylbenzenesulfonamide Chemical compound CCNS(=O)(=O)C1=CC=C(C)C=C1 OHPZPBNDOVQJMH-UHFFFAOYSA-N 0.000 description 1
- SXJVFQLYZSNZBT-UHFFFAOYSA-N nonane-1,9-diamine Chemical compound NCCCCCCCCCN SXJVFQLYZSNZBT-UHFFFAOYSA-N 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- IJRVDOPVQJSPRP-UHFFFAOYSA-N octan-4-yl prop-2-enoate Chemical compound CCCCC(CCC)OC(=O)C=C IJRVDOPVQJSPRP-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl 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])[H] 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000002924 oxiranes Chemical class 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004525 petroleum distillation Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920005638 polyethylene monopolymer Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229920006012 semi-aromatic polyamide Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- BSYVTEYKTMYBMK-UHFFFAOYSA-N tetrahydrofurfuryl alcohol Chemical compound OCC1CCCO1 BSYVTEYKTMYBMK-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
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Classifications
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/43—Compounds containing sulfur bound to nitrogen
- C08K5/435—Sulfonamides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/10—Polyamides derived from aromatically bound amino and carboxyl groups of amino-carboxylic acids or of polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J109/00—Adhesives based on homopolymers or copolymers of conjugated diene hydrocarbons
- C09J109/06—Copolymers with styrene
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/30—Windings characterised by the insulating material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2272/00—Resin or rubber layer comprising scrap, waste or recycling material
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/704—Crystalline
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2597/00—Tubular articles, e.g. hoses, pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/08—Cars
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Definitions
- a large quantity of vehicle parts are recoverable and recyclable, in the form of used spare parts or raw materials.
- Parts intended for reuse (headlights, indicators, engine, radiator, starter, hood, fenders, doors, etc.) are dismantled and stored for resale.
- Carcasses and non-recyclable parts are crushed for recovery or landfill.
- European Directive 2000/53 / EC relating to end-of-life vehicles has set a rate of reuse and recovery of 95% by weight per vehicle from 2015.
- Energy recovery use of waste (oils, tires, plastics, etc.) as means of energy production, by direct incineration with or without other waste; Material recovery: Reuse or reuse: new use of a part which retains the same use and is not transformed, or Recycling: operation aimed at introducing materials from waste into the production cycle, as a total or partial replacement of a virgin material.
- These pipes can be monolayer and / or multilayer tubular structures, in particular based on polyamide (s).
- polyamide polyamide
- a pipe for transporting a fuel for example a polyamide pipe which contains a plasticizer, has lost most of its plasticizer when it reaches the end of its life and the polyamide constituting it initially present is depolymerized and / or degraded and has lost most of its stabilizers, which prohibits its safe reuse.
- a polyamide-based layer consisting of at least 50% recycled material, in particular embedded between two polyamide-based layers and consisting of non-recycled material, allows the constitution of a structure.
- multilayer tubular comprising at least three layers capable of transporting an automotive fluid, in particular air, oil, water, a urea solution, a glycol-based coolant, or a fuel such as gasoline, in particular bio-gasoline or diesel, in particular bio-diesel, or hydrogen, regardless of the type of fluid initially transported by the single-layer and / or recycled multilayer pipe constituting the the embedded layer.
- the single-layer and / or multi-layer tube having initially transported automobile fluids from which the recycled material originates is therefore a used tube which has already transported said fluid for at least several months, in particular several years.
- the single-layer and / or multi-layer tube that initially transported fluids is therefore to the exclusion of a virgin tube.
- gasoline denotes a mixture of hydrocarbons obtained from the distillation of petroleum to which additives or alcohols such as methanol and ethanol may be added, the alcohols possibly being the major components in certain cases.
- alcoholic gasoline refers to gasoline to which methanol or ethanol has been added. It also designates a gasoline of type E95 which does not contain any petroleum distillation product.
- polyamide based means at least 50% by weight of polyamide in the diaper.
- said layer (2) consists of a composition mainly comprising at least one semi-crystalline aliphatic polyamide and at least one impact modifier in a proportion of 3 to 45% by weight relative to the total weight of the composition. .
- Layer (1) consists of a composition mainly comprising at least one semi-crystalline aliphatic polyamide, said composition consisting of at least 50% of recycled material coming from a single-layer and / or multi-layer tube intended for the transport of automotive fluids.
- polyamide denotes both a homopolyamide and a copolyamide.
- polyamides within the meaning of the invention throughout the description denotes polyamides which have a melting point (Tm) and an enthalpy of fusion DH> 25 J / g, in particular> 40 J / g, in particular> 45J / g, as well as a glass transition temperature (Tg) as determined by DSC according to ISO 11357-1: 2016 and ISO 11357-2 and 3: 2013, at a heating rate of 20K / min.
- Tm melting point
- Tg glass transition temperature
- said at least one lactam can be chosen from a C6 to C18 lactam, preferably C10 to C18, more preferably C10 to C12.
- a C6 to C12 lactam is especially caprolactam, decanolactam, undecanolactam, and lauryllactam.
- said at least one semi-crystalline aliphatic polyamide is obtained from the polycondensation of at least one lactam, it can therefore comprise a single lactam or several lactams.
- said at least one semi-crystalline aliphatic polyamide is obtained from the polycondensation of a single lactam and said lactam is chosen from lauryllactam and unecanolactam, advantageously lauryllactam.
- a C6 to C12 amino acid is in particular 6-aminohexanoic acid, 9-aminononanoic acid, 10-aminodecanoic acid, 10-aminoundecanoic acid, 12-aminododecanoic acid and 11-aminoundecanoic acid as well as its derivatives, in particular N-heptyl-11-aminoundecanoic acid.
- said at least one semi-crystalline aliphatic polyamide is obtained from the polycondensation of at least one amino acid, it can therefore comprise a single amino acid or several amino acids.
- said semi-crystalline aliphatic polyamide is obtained from the polycondensation of a single amino acid and said amino acid is chosen from 11-aminoundecanoic acid and 12-aminododecanoic acid, advantageously 11-aminoundecanoic acid.
- said at least one semi-crystalline aliphatic polyamide is obtained from the polycondensation of at least one C4-C36, preferably C5-C18, preferably C5-C12, more preferably C10-C12 diamine Xa, with at least one diacid Yb at C4-C36, preferably C6-C18, preferably C6-C12, more preferably C10-C12, then said at least one diamine at Xa is an aliphatic diamine and said at least one diacid Yb is an aliphatic diacid.
- the diamine can be linear or branched.
- it is linear.
- Said at least one C4-C36 diamine Xa may in particular be chosen from 1, 4-butanediamine, 1, 5-pentamethylenediamine, 1, 6-hexamethylenediamine, 1, 7-heptamethylenediamine, 1, 8-octamethylenediamine, 1, 9-nonamethylèdiamine, 1, 10- decamethylèdiamine, 1, 11-undecamethylèdiamine, 1, 12-dodecamethylèdiamine, 1, 13-tridécamethylèdiamine, 1, 14-tetradecamethylèdiamine, 1, 16- hexadecamethylèdiamine and 1 , 18-octadecamethylediamine, octadecenediamine, eicosanediamine, docosanediamine and diamines obtained from fatty acids.
- said at least one C5 to C12 diamine Xa is in particular chosen from 1, 5-pentamethylenediamine, 1, 6-hexamethylenediamine, 1, 7-heptamethylenediamine, 1, 8-octamethylenediamine, 1, 9- nonamethylèdiamine, 1, 10-decamethylèdiamine, 1, 11-undecamethylèdiamine, 1, 12-dodecamethylèdiamine.
- said at least one C6 to C12 diamine Xa is in particular chosen from 1, 6-hexamethylenediamine, 1, 7-heptamethylèdiamine, 1, 8-octamethylèdiamine, 1, 9-nonamethylèdiamine, 1, 10- decamethylèdiamine, 1, 11- undecamethylèdiamine, 1, 12-dodecamethylèdiamine.
- the diamine Xa used is C10 to C12, in particular chosen from 1, 10-decamethylèdiamine, 1, 11-undécamethylèdiamine, 1, 12-dodecamethylèdiamine.
- Said at least one C4 to C36 dicarboxylic acid Yb can be chosen from succinic acid, glutaric acid, adipic acid, suberic acid, azelaic acid, sebacic acid, undecanedioic acid, dodecanedioic acid, brassylic acid, tetradecanedioic acid, pentadecanedioic acid, hexadecanedioic acid, octadecanedioic acid, and diacids obtained from fatty acids.
- the diacid can be linear or branched.
- it is linear.
- said at least one dicarboxylic acid Yb is C6 to C18 and is chosen from adipic acid, suberic acid, azelaic acid, sebacic acid, undecanedioic acid, dodecanedioic acid, brassylic acid, tetradecanedioic acid, pentadecanedioic acid, hexadecanedioic acid, octadecanedioic acid.
- said at least one dicarboxylic acid Yb is C6 to C12 and is chosen from adipic acid, suberic acid, azelaic acid, sebacic acid, undecanedioic acid and dodecanedioic acid.
- said semi-crystalline aliphatic polyamide is obtained from the polycondensation of a single diamine Xa with a single dicarboxylic acid Yb.
- the expression "predominantly comprising at least one polyamide of aliphatic type” means that said composition of the layer (1) comprises at least 50% by weight of at least one aliphatic polyamide relative to the total weight of said composition.
- said composition of the layer (1) comprises at least 60% by weight, in particular at least 70% by weight, in particular at least 80% by weight, more particularly at least 90% by weight of at least one aliphatic polyamide relative to the total weight of said composition.
- Said composition of the layer (1) consists of at least 50% of recycled material originating from a single-layer and / or multi-layer tube which has been intended for the transport of automotive fluids.
- the “at least one major polyamide” of said composition corresponds in its entirety to what is called “at least 50% of recycled material” or that at least 50% by weight of all the constituents of the composition. are of recycled origin coming from single-layer pipe, or from multilayer pipe, or from a mixture of single-layer and multilayer pipe.
- Said multilayer pipe comprises at least one layer consisting of a composition comprising a semi-crystalline aliphatic polyamide and optionally impact modifiers and / or additives. It can therefore comprise other layers made up of a thermoplastic polymer other than a semi-crystalline aliphatic polyamide, such as for example a polypropylene, a semi-aromatic polyamide or a polyethylene vinyl alcohol (EVOH).
- a thermoplastic polymer other than a semi-crystalline aliphatic polyamide such as for example a polypropylene, a semi-aromatic polyamide or a polyethylene vinyl alcohol (EVOH).
- the single-layer tube can also be a mixture of single-layer tubes, that is to say for example two types of single-layer tubes each consisting of a different semi-crystalline aliphatic polyamide, for example a PA11 and a PA12 .
- the multilayer pipe can also be a mixture of different types of multilayer pipe, provided that at least one of the layers of one of the types of multilayer pipe is made of a semi-crystalline aliphatic polyamide.
- Said single-layer and / or multi-layer tube which was intended for transporting automobile fluid and which is therefore used can undergo several different treatments in order to be able to be recycled: It can be simply crushed;
- the ground particles can be ground and recompounded, that is to say that after grinding, the ground particles are fed into an extruder, in particular of the co-rotating twin-screw type, or of the co-kneader type (Buss), where they are remixed. by merger.
- the molten material comes out of the extruder in rods which are cooled and cut into granules;
- the ground particles can be ground and recompounded and reformulated, that is to say that after grinding, the ground particles are fed into an extruder, as defined above where they are remixed by melting with the addition of at least one compound. chosen from a semi-crystalline aliphatic polyamide, of recycled origin or not, of at least one impact modifier, a plasticizer, an additive and antistatic fillers.
- the molten material comes out of the extruder in rods which are cooled and cut into granules.
- the single-layer and / or multi-layer tube which has been intended for transporting automotive fluid undergoes a washing and / or cleaning step before grinding.
- the crushed tube undergoes a washing and / or cleaning step after crushing.
- the single-layer and / or multilayer tube which has been intended for the transport of fluid for an automobile undergoes a washing and / or cleaning step before grinding and is then crushed and it then optionally undergoes, before recompounding, a washing and / or step. cleaning after grinding.
- the cleaning step can be carried out for example under vacuum.
- Polyamides rated A, B and C can be of recycled or non-recycled origin, provided that the composition of the layer (1) consists of at least 50% recycled material.
- the Tm of the predominantly aliphatic semi-crystalline polyamide of layer (1) is ⁇ 225 ° C, in particular ⁇ 200 ° C, as determined according to ISO 11357-3: 2013, at a heating rate of 20K / min .
- said composition of the layer (1) is devoid of plasticizer and / or impact modifier and said recycled material comes from a tube chosen from among a crushed tube, a crushed and recompounded tube and a crushed, recompounded tube. and reworded.
- said composition of the layer (1) comprises at least one compound chosen from plasticizer, an impact modifier and an additive, and said recycled material is chosen from a crushed tube, then recompounded and reformulated.
- said tube is a single-layer tube and / or a multilayer tube.
- the fluid transported by said monolayer and / or multilayer tube is different from that of said multilayer tubular structure (MLT).
- MLT multilayer tubular structure
- said multi-layer tubular structure (MLT) may be intended to transport gasoline or, if the single-layer and / or multi-layer tube has transported a fluid such as alcoholic gasoline, said tubular structure (MLT) may be intended to transport diesel.
- the fluid transported by said monolayer and / or multilayer tube is the same as that of said multilayer tubular structure (MLT).
- the tubular structure (MLT) may be intended to transport gasoline provided that the gasoline of the single-layer and / or multi-layer tube and said multilayer tubular structure (MLT) is the same, for example, alcoholic gasoline.
- the recycled material comes from a single-layer tube consisting of a composition comprising only a PA11.
- said composition of the layer (1) comprises at least 60% by weight, in particular at least 70% by weight, in particular at least 80% by weight, in particular at least 90% by weight, more particularly in less 95% recycled material.
- said composition of the layer (1) consists of 100% by weight of recycled material.
- said tube which was intended for transporting fluid for an automobile is single-layer or multilayer and simply ground and the composition of the layer (1) resulting from said recycling consists of: at least 61% by weight, in particular of 96% to 99% by weight, in particular from 96% to 98% by weight, of at least one semi-crystalline aliphatic polyamide denoted C having an average number of carbon atoms per nitrogen atom denoted Ce ranging from 6 to 18, preferably 8 to 12; 0 to 2% of at least one plasticizer, 0 to 2% by weight of at least one additive, in particular a stabilizer; the sum of the constituents being equal to 100%.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11.
- said tube was intended for transporting fuel such as gasoline, in particular alcoholic gasoline, bio-gasoline or diesel, in particular bio-diesel.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11 and said tube was intended for transporting fuel such as gasoline, especially alcoholic gasoline, bio-gasoline or diesel, especially bio diesel.
- said tube which was intended for transporting automobile fluid is single-layer.
- said tube which was intended for transporting fluid for an automobile is single-layer or multilayer, crushed and recompounded and the composition of the layer (1) resulting from said recycling consists of: at least 61% by weight, in particular from 96% to 99% by weight, in particular from 96% to 98% by weight, of at least one semi-crystalline aliphatic polyamide denoted C having an average number of carbon atoms per nitrogen atom denoted Ce comprised of 6 to 18, preferably 8 to 12; 0 to 2% of at least one plasticizer, 0 to 2% by weight of at least one additive, in particular a stabilizer; the sum of the constituents being equal to 100%.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11.
- said tube was intended for transporting fuel such as gasoline, in particular alcoholic gasoline, bio-gasoline or diesel, in particular bio-diesel.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11 and said tube was intended for transporting fuel such as gasoline, especially alcoholic gasoline, bio-gasoline or diesel, especially bio diesel.
- said tube which was intended for transporting automobile fluid is single-layer.
- said tube which was intended for transporting fluid for an automobile is single-layer or multilayer, crushed, recompounded and reformulated and the composition of the layer (1) resulting from said recycling and reformulated consists of: at least 58.5 % by weight of at least one semi-crystalline aliphatic polyamide denoted C having an average number of carbon atoms per nitrogen atom denoted Ce ranging from 6 to 18, advantageously from 8 to 12; from 6 to 14% of at least one plasticizer, in particular from 6 to 8%; from 0.5 to 1.5% by weight of at least one additive, in particular a stabilizer; the sum of the constituents being equal to 100%.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11.
- said tube was intended for transporting fuel such as gasoline, in particular alcoholic gasoline, bio-gasoline or diesel, in particular bio-diesel.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11 and said tube was intended for transporting fuel such as gasoline, especially alcoholic gasoline, bio-gasoline or diesel, especially bio diesel.
- said tube which was intended for transporting automobile fluid is single-layer.
- said tube which was intended for the transport of fluid for an automobile is single-layer or multilayer, crushed, recompounded and reformulated and the composition of the layer (1) resulting from said recycling and reformulated consists of: at least 58% in weight of at least one semi-crystalline aliphatic polyamide denoted C having an average number of carbon atoms per nitrogen atom denoted Ce ranging from 6 to 18, advantageously from 8 to 12; from 6 to 14% of at least one plasticizer, in particular from 6 to 8%; from 1 to 2% by weight of at least one additive, in particular a stabilizer and a catalyst; the sum of the constituents being equal to 100%.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11.
- said tube was intended for transporting fuel such as gasoline, in particular alcoholic gasoline, bio-gasoline or diesel, in particular bio-diesel.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11 and said tube was intended for transporting fuel such as gasoline, especially alcoholic gasoline, bio-gasoline or diesel, especially bio diesel.
- said tube which was intended for transporting automobile fluid is single-layer.
- the composition is degassed during the compounding, even more advantageously the degassing is located just after the melting zone, and before the zone for introducing a plasticizer such as BBSA or the like.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11.
- said tube was intended for transporting fuel such as gasoline, in particular alcoholic gasoline, bio-gasoline or diesel, in particular bio-diesel.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11 and said tube was intended for transporting fuel such as gasoline, especially alcoholic gasoline, bio-gasoline or diesel, especially bio diesel.
- said tube which was intended for transporting automobile fluid is single-layer.
- said tube which was intended for transporting fluid for an automobile is single-layer or multilayer, crushed, recompounded and reformulated and the composition of the layer (1) resulting from said recycling and reformulated consists of: at least 55% in weight, in particular from 55% to 99% by weight, in particular from 55% to 98% by weight, of at least one semi-crystalline aliphatic polyamide denoted C having an average number of carbon atoms per nitrogen atom denoted This included from 6 to 18, advantageously from 8 to 12; from 0 to 45% by weight of at least one impact modifier, in particular from 1 to 45% by weight of at least one impact modifier, in particular from 2 to 45% by weight of at least one impact modifier, the sum of the constituents being equal to 100%.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11.
- said tube was intended for transporting fuel such as gasoline, in particular alcoholic gasoline, bio-gasoline or diesel, in particular bio-diesel.
- fuel such as gasoline, in particular alcoholic gasoline, bio-gasoline or diesel, in particular bio-diesel.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11 and said tube was intended for transporting fuel such as gasoline, especially alcoholic gasoline, bio-gasoline or diesel, especially bio diesel.
- said tube which was intended for transporting fluid for an automobile is single-layer or multilayer, crushed, recompounded and reformulated and the composition of the layer (1) resulting from said recycling and reformulated consists of: at least 50% by weight of at least one semi-crystalline aliphatic polyamide denoted C having an average number of carbon atoms per nitrogen atom denoted Ce ranging from 6 to 18, advantageously from 8 to 12; from 0 to 43.5% by weight of at least one impact modifier, in particular from 1 to 43.5% by weight of at least one impact modifier, in particular from 2 to 43.5% by weight of at least an impact modifier, from 6 to 14% of at least one plasticizer, in particular from 6 to 8%; from 0.5 to 1.5% by weight of at least one additive, in particular a stabilizer; the sum of the constituents being equal to 100%.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11.
- said tube was intended for transporting fuel such as gasoline, in particular alcoholic gasoline, bio-gasoline or diesel, in particular bio-diesel.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11 and said tube was intended for transporting fuel such as gasoline, especially alcoholic gasoline, bio-gasoline or diesel, especially bio diesel.
- said tube which was intended for transporting automobile fluid is single-layer.
- said tube which was intended for transporting fluid for an automobile is single-layer or multilayer, crushed, recompounded and reformulated and the composition of the layer (1) resulting from said recycling and reformulated consists of: at least 50% of weight of at least one semi-crystalline aliphatic polyamide denoted C having an average number of carbon atoms per nitrogen atom denoted Ce ranging from 6 to 18, advantageously from 8 to 12; from 0 to 43% by weight of at least one impact modifier, in particular from 1 to 43% by weight of at least one impact modifier, in particular from 2 to 38% by weight of at least one impact modifier, of 6 at 14% of at least one plasticizer, in particular from 6 to 8%; from 1 to 2% by weight of at least one additive, in particular a stabilizer and a catalyst; the sum of the constituents being equal to 100%.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11.
- said tube was intended for transporting fuel such as gasoline, in particular alcoholic gasoline, bio-gasoline or diesel, in particular bio-diesel.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11 and said tube was intended for transporting fuel such as gasoline, especially alcoholic gasoline, bio-gasoline or diesel, especially bio diesel.
- said tube which was intended for transporting automobile fluid is single-layer.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11.
- said tube was intended for transporting fuel such as gasoline, in particular alcoholic gasoline, bio-gasoline or diesel, in particular bio-diesel.
- the semi-crystalline aliphatic polyamide denoted C is chosen from PA612, PA1012, PA1010, PA11 and PA12, in particular PA11 and said tube was intended for transporting fuel such as gasoline, especially alcoholic gasoline, bio-gasoline or diesel, especially bio diesel.
- said tube which was intended for transporting automobile fluid is single-layer.
- the impact modifier is advantageously constituted by a polymer having a flexural modulus of less than 100 MPa measured according to the ISO 178: 2010 standard, determined at 23 ° C with relative humidity: RH50%, and of Tg less than 0 ° C (measured according to standard 11357-2: 2013 at the inflection point of the DSC thermogram, at a heating rate of 20K / min), in particular a polyolefin.
- the polyolefin of the impact modifier can be functionalized or non-functionalized or be a mixture of at least one functionalized and / or at least one non-functionalized.
- the polyolefin has been designated by (B) and functionalized polyolefins (B1) and unfunctionalized polyolefins (B2) have been described below.
- An unfunctionalized polyolefin (B2) is conventionally a homopolymer or copolymer of alpha olefins or diolefins, such as, for example, ethylene, propylene, butene-1, octene-1, butadiene.
- alpha olefins or diolefins such as, for example, ethylene, propylene, butene-1, octene-1, butadiene.
- LDPE low density polyethylene
- HDPE high density polyethylene
- LLDPE linear low density polyethylene, or linear low density polyethylene
- VLDPE very low density polyethylene, or very low density polyethylene
- metallocene polyethylene metallocene polyethylene
- ethylene / alpha-olefin copolymers such as ethylene / propylene, EPR (abbreviation of ethylene-propylene-rubber) and ethylene / propylene / diene (EPDM).
- EPR abbreviation of ethylene-propylene-rubber
- EPDM ethylene / propylene / diene
- SEBS ethylene-butene / styrene
- SBS styrene / butadiene / styrene
- SIS isoprene / styrene
- SEPS styrene / ethylene-propylene / styrene
- the functionalized polyolefin (B1) can be a polymer of alpha olefins having reactive units (the functionalities); such reactive units are acid, anhydride or epoxy functions.
- the functionalities are acid, anhydride or epoxy functions.
- a functionalized polyolefin is for example a PE / EPR mixture, the weight ratio of which can vary widely, for example between 40/60 and 90/10, said mixture being co-grafted with an anhydride, in particular maleic anhydride, according to a degree of grafting, for example from 0.01 to 5% by weight.
- the functionalized polyolefin (B1) can be chosen from the following (co) polymers, grafted with maleic anhydride or glycidyl methacrylate, in which the degree of grafting is for example from 0.01 to 5% by weight:
- ethylene / alpha-olefin copolymers such as ethylene / propylene, EPR (abbreviation of ethylene-propylene-rubber) and ethylene / propylene / diene (EPDM).
- EPR abbreviation of ethylene-propylene-rubber
- EPDM ethylene / propylene / diene
- SEBS ethylene-butene / styrene
- SBS styrene / butadiene / styrene
- SIS isoprene / styrene
- SEPS styrene / ethylene-propylene / styrene
- alkyl (meth) acrylate copolymers containing up to 40% by weight of alkyl (meth) acrylate;
- the functionalized polyolefin (B1) can also be chosen from ethylene / propylene copolymers predominantly in propylene grafted with maleic anhydride then condensed with mono-amine polyamide (or a polyamide oligomer) (products described in EP-A-0342066) .
- the functionalized polyolefin (B1) can also be a co- or ter polymer of at least the following units: (1) ethylene, (2) (meth) acrylate or vinyl acid ester saturated carboxylic acid and (3) anhydride such as maleic anhydride or (meth) acrylic acid or epoxy such as glycidyl (meth) acrylate.
- (meth) acrylic acid can be salified with Zn or Li.
- alkyl (meth) acrylate in (B1) or (B2) denotes methacrylates and acrylates of C1 to C8 alkyl, and may be chosen from methyl acrylate, ethyl acrylate , n-butyl acrylate, isobutyl acrylate, ethyl-2-hexyl acrylate, cyclohexyl acrylate, methyl methacrylate and ethyl methacrylate.
- the aforementioned polyolefins (B1) can also be crosslinked by any suitable process or agent (diepoxy, diacid, peroxide, etc.); the term functionalized polyolefin also includes mixtures of the abovementioned polyolefins with a difunctional reagent such as diacid, dianhydride, diepoxy, and the like. capable of reacting with these or mixtures of at least two functionalized polyolefins capable of reacting with each other.
- a difunctional reagent such as diacid, dianhydride, diepoxy, and the like.
- copolymers mentioned above, (B1) and (B2) can be copolymerized in a random or block fashion and have a linear or branched structure.
- the molecular weight, the MFI number, the density of these polyolefins can also vary to a large extent, which will be appreciated by those skilled in the art.
- MFI short for Melt Flow Index, is the melt flow index. It is measured according to standard ASTM 1238.
- the unfunctionalized polyolefins (B2) are chosen from homopolymers or copolymers of polypropylene and any homopolymer of ethylene or copolymer of ethylene and of a comonomer of higher alpha olefinic type. such as butene, hexene, octene or 4-methyl 1-Pentene.
- PPs high density PE, medium density PE, linear low density PE, low density PE, very low density PE.
- polyethylenes are known to those skilled in the art as being produced according to a “radical” process, according to a “Ziegler” type catalysis or, more recently, according to a so-called “metallocene” catalysis.
- the functionalized polyolefins (B1) are chosen from any polymer comprising alpha olefinic units and units bearing polar reactive functions such as epoxy, carboxylic acid or carboxylic acid anhydride functions.
- polymers mention may be made of the ter polymers of ethylene, of alkyl acrylate and of maleic anhydride or of glycidyl methacrylate, such as Lotader® from the Applicant or polyolefins grafted with l.
- maleic anhydride such as Orevac® from the Applicant as well as ter polymers of ethylene, of alkyl acrylate and of (meth) acrylic acid.
- Mention may also be made of homopolymers or copolymers of polypropylene grafted with a carboxylic acid anhydride and then condensed with polyamides or mono-amino polyamide oligomers.
- the additives optionally used in the compositions of the invention are the conventional additives used in polyamides well known to those skilled in the art and are described in particular in EP 2098580.
- a catalyst for example they are selected from a catalyst, an antioxidant, a heat stabilizer, a UV absorber, a light stabilizer, a lubricant, an inorganic filler, a flame retardant, a nucleating agent and a dye, fibers. reinforcement, a wax and their mixtures.
- catalyst denotes a polycondensation catalyst such as an inorganic or organic acid.
- the proportion by weight of catalyst is from about 50 ppm to about 5000 ppm, in particular from about 100 to about 3000 ppm, relative to the total weight of the composition.
- the catalyst is chosen from phosphoric acid (H3PO4), phosphorous acid (H3PO3), hypophosphorous acid (H3PO2), or a mixture of these.
- the stabilizer can be a UV stabilizer, an organic stabilizer or more generally a combination of organic stabilizers, such as an antioxidant of the phenol type (for example of the type of that of irganox® 245 or 1098 or 1010 of the company Ciba-BASF), an antioxidant of the phosphite type (for example irgafos® 126 and irgafos® 168 from the company Ciba-BASF) and even possibly other stabilizers such as a HALS, which means Hindered Amine Light Stabilizer or light stabilizer of the hindered amine type (for example Tinuvin® 770 from the company Ciba-BASF), an anti-UV (for example Tinuvin® 312 from Ciba) or a phosphorus-based stabilizer. It is also possible to use antioxidants of amine type such as Naugard® 445 from the company Crompton or else polyfunctional stabilizers such as Nylostab® S-EED from the company Clari
- This stabilizer can also be an inorganic stabilizer, such as a copper-based stabilizer.
- a copper-based stabilizer By way of example of such inorganic stabilizers, mention may be made of copper halides and acetates. Incidentally, one can possibly consider other metals such as silver, but these are known to be less effective. These copper-based compounds are typically associated with alkali metal halides, in particular potassium.
- the plasticizers are, by way of example, the plasticizers are chosen from benzene sulfonamide derivatives, such as n-butyl benzene sulfonamide (BBSA); ethyl toluene sulfonamide or N-cyclohexyl toluene sulfonamide; esters of hydroxybenzoic acids, such as 2-ethylhexyl parahydroxybenzoate and 2-decyl-hexyl parahydroxybenzoate; esters or ethers of tetrahydrofurfuryl alcohol, such as oligoethyleneoxytetrahydrofurfurylalcohol; and esters of citric acid or hydroxy-malonic acid, such as oligoethyleneoxy malonate.
- BBSA n-butyl benzene sulfonamide
- esters of hydroxybenzoic acids such as 2-ethylhexyl parahydroxybenzoate and 2-decyl-he
- the additives when they are present in the composition are advantageously present from 1 to 20% by weight, in particular from 5 to 15% by weight, in particular from 5 to 12% by weight.
- antistatic charges are advantageously present from 1 to 20% by weight, in particular from 5 to 15% by weight, in particular from 5 to 12% by weight.
- the antistatic fillers are for example chosen from carbon black, graphite, carbon fibers, carbon nanotubes, in particular carbon black and carbon nanotubes,
- polysemi-crystalline polyamide and “aliphatic” have the same definition as for layer (1).
- Said at least one semi-crystalline aliphatic polyamide is obtained in the same way as described above for layer (1).
- said layer (2) is devoid of impact modifier.
- the semi-crystalline aliphatic polyamide which is PA12 or PA612 or PA1010 is excluded from the composition which constitutes layer (2).
- said layer (2) comprises from 3 to 45% by weight of at least one impact modifier, in particular from 5 to 20% by weight of at least one impact modifier.
- the composition of said layer (2) comprises a PA11, a PA12 or a PA612 and from 3 to 45% by weight of an impact modifier, in particular from 5 to 20% by weight of an impact modifier.
- polysemi-crystalline polyamide and “aliphatic” have the same definition as for layer (1) or layer (2).
- Said at least one semi-crystalline aliphatic polyamide is obtained in the same way as described above for the layer (1) and the layer (2).
- said layer (2’) is devoid of impact modifier.
- said layer (2') comprises from 3 to 45% by weight of at least one impact modifier, in particular from 5 to 20% by weight of at least one impact modifier.
- composition of said layer (2 ') comprises a PA11, a PA12 or a PA612 and from 3 to 45% by weight of at least one impact modifier, in particular from 5 to 20% by weight of at least one modifying shock.
- said layer (1) is located between a layer (2) and a layer (2 ').
- said layer (2 ') is the layer in contact with the transported fluid.
- said layer (2 ') is as defined for layer (2), and preferably layers (2) and (2 ′) are identical.
- said layer (2 ') is as defined for layer (2) means that the compositions of layer (2) and of layer (2 ′) may be the same or different.
- the composition of said layer (2) comprises a PA11, a PA12 or a PA612 and the recycled material comes from a single-layer tube consisting of a composition comprising only a PA11, in particular the composition of the layer (1) is made from 100% recycled material.
- the composition of said layer (2) comprises a PA11, a PA12 or a PA612
- the recycled material comes from a single-layer tube consisting of a composition comprising only a PA11, in particular the composition of the layer (1) is consisting of 100% recycled material and the composition of said layer (2 ') comprises a PA11, a PA12 or a PA612.
- the composition of said layer (2) comprises a PA11, a PA12 or a PA612 and from 3 to 45% by weight of at least one impact modifier, in particular from 5 to 20% by weight of at least one modifier.
- impact and the recycled material comes from a single-layer tube consisting of a composition comprising only a PA11, in particular the composition of the layer (1) consists of 100% recycled material.
- the composition of said layer (2) comprises a PA11, a PA12 or a PA612 and from 3 to 45% by weight of at least one impact modifier, in particular from 5 to 20% by weight of at least one modifier.
- the recycled material comes from a single-layer tube consisting of a composition comprising only a PA11, in particular the composition of the layer (1) consists of 100% recycled material and the composition of said layer (2 ') comprises a PA11, a PA12 or a PA612 and from 3 to 45% by weight of at least one impact modifier, in particular from 5 to 20% by weight of at least one impact modifier.
- compositions of the layer (2) and of the layer (2 ') are identical and therefore the layers (2) and (2') are obviously identical, that is to say that both the polyamide that the other constituents of the composition are identical in nature and proportion and that and that the thickness of the two layers (2) and (2 ') is identical.
- Layer (2 ’) is then a layer (2).
- multilayer tubular structure In a first variant of the multilayer tubular structure (MLT), it consists of three layers (2) // (1) // (2 '), in particular (2) // (1) // (2 ).
- At least one binder layer (3) is present, said layer (3) being located between layer (2) and layer (1) and / or between layer (1) and layer ( 2 ').
- multilayer tubular structure In a second variant of the multilayer tubular structure (MLT), it consists of four layers (2) // binder (3) // (1) // (2 '), in particular (2) // binder (3) // (1) // (2). In a third variant of the multilayer tubular structure (MLT), it consists of four layers (2) // (1) // binder (3) // (2 '), in particular (2) // ( 1) // binder (3) // (2). In a fourth variant of the multilayer tubular structure (MLT), it consists of five layers (2) // binder (3) // (1) // binder (3) // (2 '), in particular (2) // binder (3) // (1) // binder (3) 11 (2).
- the two layers of binder (3) may be identical or different, in particular they are identical.
- At least one layer of EVOH is present, said layer (3) being located between the layer (1) and the layer (2 ').
- the multilayer tubular structure then consists of four layers (2) // (1) // EVOH // (2 ’), in particular (2) // (1) // EVOH // (2).
- said layer (1) represents at least 10%, in particular at least 30%, in particular at least 50% of the total thickness of said multilayer tubular structure (MLT).
- said layer (1) represents at least 60%, in particular at least 70% of the total thickness of said multilayer tubular structure (MLT).
- said composition of said layer (1) is devoid of polyamides denoted A and B and said composition of said layer (2) comprises polyamides chosen from those denoted E, F and a mixture of these.
- said composition of said layer (1) comprises polyamides chosen from those denoted A, B and a mixture of these, and said composition of said layer (2) is devoid of polyamides denoted E and F.
- said composition of said layer (1) comprises polyamides chosen from those denoted A, B and a mixture thereof
- said composition of said layer (2) comprises polyamides selected from those denoted E, F and a mixture thereof.
- said composition of said layer (1) is devoid of polyamides denoted A and B and said composition of said layer (2) is devoid of polyamides denoted E and F.
- the layer (1) comes from a single-layer recycled tube.
- the layer (1) comes from a single-layer recycled tube and only said composition of said layer (1) comprises at least one impact modifier.
- the layer (1) comes from a single-layer recycled tube and the said composition of the said layer (1) as well as the said compositions of the layer (2) and of the layer (2 ') comprise at least one impact modifier.
- the layer (1) comes from a recycled multilayer tube.
- the layer (1) comes from a multilayer recycled tube and only said composition of said layer (1) comprises at least one impact modifier.
- the layer (1) comes from a multilayer recycled tube and the said composition of the said layer (1) as well as the said compositions of the layer (2) and of the layer (2 ') comprise at least one impact modifier.
- said multilayer tubular is intended for the transport of fluids chosen from a fuel such as gasoline, in particular alcoholic gasoline, bio-gasoline or diesel, in particular gasoline. bio-diesel.
- a fuel such as gasoline, in particular alcoholic gasoline, bio-gasoline or diesel, in particular gasoline. bio-diesel.
- the binder is described in particular in patents EP1452307 and EP1162061, EP1216826, EP0428833 and EP3299165.
- the binder layer is intended to be interposed between two layers which do not adhere to each other with difficulty.
- the binder can be for example, but without being limited to these, a composition based on 50% of copolyamide 6/12 (of ratio 70/30 by mass) of Mn 16000, and of 50% of copolyamide 6/12 ( of ratio 30/70 by mass) of Mn 16000, a composition based on PP (polypropylene) grafted with maleic anhydride, known under the name of Admer QF551A from the company Mitsui, a composition based on PA610 (from Mn 30,000, and as defined elsewhere) and 36% PA6 (from Mn 28000) and 1.2% organic stabilizers (consisting of 0.8% of Lowinox 44B25 phenol from Great Lakes, 0.2% of Irgafos 168 phosphite from the company Ciba, 0.2% anti-UV Tinuvin 312 from the company Ciba), a composition based on PA612 (of Mn 29000, and as defined elsewhere) and of 36% of PA6 (of Mn 28000, and as defined
- PA11 Polyamide 11 of Mn (number molecular mass) 29,000. The melting point is 190 ° C, its enthalpy of fusion is 56kJ / m2. The composition of this PA11 comprises 0.25% (+/- 0.05%) of H3PO4.
- PA12 Polyamide 12 of Mn (number molecular mass) 35000. The melting point is 178 ° C, its enthalpy of fusion is 54kJ / m2
- PA12-B Polyamide 12 of Mn (number molecular mass) 41000. The melting point is 178 ° C, its enthalpy of fusion is 54kJ / m2
- PA1012 Polyamide 1012 of Mn (number molecular mass) 27000. The melting point is 190 ° C, its enthalpy of fusion is 57kJ / m2
- PA612 Polyamide 612 of Mn (number molecular mass) 29000. The melting point is 218 ° C, its enthalpy of fusion is 67kJ / m2
- PA610 Polyamide 610 of Mn (number molecular mass) 30000. The melting point is 223 ° C, its enthalpy of fusion is 61 kJ / m2
- PA6 Polyamide 6 of Mn (number molecular mass) 28000. The melting point is 220 ° C, its enthalpy of fusion is 68kJ / m2
- the melting temperature and the enthalpy of fusion were determined according to ISO 11357-3: 2013.
- stabilizer stabilizer consisting of 80% of Lowinox 44B25 phenol from Great Lakes, 20% of Irgafos 168 phosphite from Ciba BBSA: BBSA plasticizer (benzyl butyl sulfonamide),
- Imod generically designates a polyolefin or other impact modifier such as, among others, PEBA (polyether-block-amide), core-shells, silicones, etc.
- PEBA polyether-block-amide
- core-shells core-shells
- silicones etc.
- Imodl denotes an EPR functionalized with a reactive anhydride functional group (at 0.5-1% by mass), of MFI 9 (at 230 ° C., under) 10 kg, of the Exxellor VA1801 type from the company Exxon.
- Mod2 impact modifier of the ethylene / ethyl acrylate / anhydride type in 68.5 / 30 / 1.5 mass ratio and MFI 6 at 190 ° C under 2.16 kg.
- lmod3 impact modifier of the ethylene / butyl acrylate / anhydride type in 79/18/3 mass ratio and MFI 5 at 190 ° C under 2.16 kg.
- compositions were used to manufacture the tubes according to the invention:
- Protocol A The tube is (artificially) aged according to an easily reproducible model protocol which consists of placing it in air (in the presence of oxygen) at 150 ° C for 96 hours (4 days), in order to thermo-oxidize it .
- This model aging is representative of the average thermo-oxidation that the tubes undergo in 10 years of service in a vehicle alongside a hot engine.
- Protocol B the regrind tube is recompounded on a Coperion / Werner 40mm twin-screw extruder, 70kgh, 300rpm, setpoint 270 ° C, with a degassing of -100mmHg.
- Protocol B2 the regrind tube is recompounded on a Coperion / Werner 40mm twin-screw extruder, 70kgh, 300rpm, 270 ° C setpoint, with a strong degassing of -660mmHg.
- compositions used for the preparation of the tubes of the invention are as follows:
- PA11 PL PA11 + 7% BBSA + 1% stabilizer
- PA12PL PA12 + 12% BBSA + 1% stabilizer
- PA11 PL-recy tube of PA11 PL aged according to protocol A, regrind, to be then recycled.
- PA11 -recy-car tube of PA11 PL from a petrol line of a Toyota brand car, 10 years old and regrind.
- PA11 PL-recy2 tube of PA11 PL aged according to protocol A, regrind, recompounded according to protocol B2, with during this recompounding addition of 7% BBSA + 0.5% stabilizer, to be then recycled
- PA12PL-recy PA12PL tube aged according to protocol A, regrind, to be then recycled.
- PA12imod1 PA12 + 6% imodl + 8% BBSA + 1% stabilizer
- PA11imod2 PA11 + 6% imod2 + 5% BBSA + 1% stabilizer
- PA1012PL4 PA1012 + 12% BBSA + 1% stabilizer
- 1012-recy2 tube of PA1012PL4 aged according to protocol A, regrind, recompounded according to protocol B2, with during this recompounding addition of 12% BBSA + 0.5% stabilizer, to be then recycled
- PA11 PL4 PA11 + 12% BBSA + 1% stabilizer
- PA12HIP-recy3 tube of PA12HIPHL aged according to protocol A, regrind, recompounded according to protocol B, with during this recompounding addition of 6% imod1, 9% BBSA and 1% stabilizer; being then intended to be recycled
- 11 NX3 PA11 + imod2 10% + PA610 5% + PA6 5% + BBSA 4% + stabilizer 1%
- 11 NX3-recy2 11 NX3 tube aged according to protocol A, regrind, recompounded according to protocol B2, recompounding with strong degassing , with during this recompounding addition of 3% of BBSA and 0.5% of stabilizer
- PA11-recyNX3 tube of PA11 PL aged according to protocol A, regrind, recompounded according to protocol B2, with during this recompounding addition of imod2 10% + PA610 5% + PA6 5% + BBSA 4% + stabilizer 1%, to be subsequently recycled.
- PA612-recy2 tube of PA612imod1 aged according to protocol A, regrind, recompounded according to protocol B, with during this recompounding addition of 10% BBSA + 0.5% stabilizer, to be then recycled
- PA612-recy3-adh tube of PA612imod1 aged according to protocol A, regrind, recompounded according to protocol B, with during this recompounding step addition of PA6 in the amount of 20% and 10% BBSA and 0.5% stabilizer; to be recycled
- PA12HIPHL PA12 + 6% imodl + 10% BBSA + 1% stabilizer
- PA12HIPHL-recy PA12HIPHL tube aged according to protocol A, regrind, to be then recycled
- PA12HIPHL-recy2 PA12HIPHL tube aged according to protocol A, regrind, recompounded according to protocol B, with during this recompounding addition of 10% BBSA + 0.5% stabilizer, to be then recycled
- PA12HIP-recy3 tube of PA12HIPHL aged according to protocol A, regrind, recompounded according to protocol B, with during this recompounding addition of 6% imod1, 9% BBSA and 1% stabilizer; being then intended to be recycled
- MLT-cx31-recy tube of MLT (PA12HI2 // PA11-recyNX3 // PPA9T 15/60/25%) aged according to protocol A, regrind, recompounded according to protocol B, to be then recycled
- PA12HI2 PA12-B + 10 % imod1 + 5% BBSA + 1% stabilizer
- PA612-imod-adh PA612 + 15% imodl + 20%
- PA612-np PA612 + 15% imodl PA6 + 1% stabilizer
- MLT-cx51-recy tube of MLT cx51 aged according to protocol A, regrind, recompounded according to protocol B, to be then recycled
- MLT-cx51-recy-adh tube of MLT of cx51 aged according to protocol A, reground, recompounded according to protocol B, with during this recompounding addition of 20% of PA6; to then be recycled
- MLT-cx61-recy tube of MLT cx61 aged according to protocol A, regrind, recompounded according to protocol B, with during this recompounding addition of 20% of PA6; to then be recycled
- PA12im-adh PA12 + 6% imodl + 6% BBSA + 20% PA612 + 1% stab
- OHhi shock modified EVOH, marketed under the name EVAL LA170B by the company
- EVOH32 32% ethylene EVOH, marketed by the company Eval under the name Eval FP101 B
- compositions are manufactured by conventional compounding in a Coperion 40 type co-rotating twin-screw extruder, at 300rpm, at 270 ° C (or at 300 ° C when the ingredients have a melting point above 260 ° C).
- Multilayer pipes of the invention are Multilayer pipes of the invention.
- Multilayer pipes are produced by coextrusion.
- a Maillefer industrial multilayer extrusion line is used, equipped with 5 extruders, connected to a multilayer extrusion head with spiral mandrels.
- the extrusion line comprises: a die-punch assembly, located at the end of the coextrusion head; the internal diameter of the die and the external diameter of the punch are chosen according to the structure to be produced and the materials of which it is made, as well as the dimensions of the tube and the line speed; a vacuum tank with an adjustable vacuum level. In this tank circulates water maintained at 20 ° C in general, in which is immersed a gauge making it possible to conform the tube to its final dimensions.
- the diameter of the gauge is adapted to the dimensions of the tube to be produced, typically from 8.5 to 10 mm for a tube with an external diameter of 8 mm and a thickness of 1 mm; a succession of cooling tanks in which water is maintained at around 20 ° C., making it possible to cool the tube along the path from the head to the draw bench; a diameter measurer; a draw bench.
- the 5 extruder configuration is used to make tubes ranging from 2 layers to 5 layers (and also single layer tubes). In the case of structures with a number of layers less than 5, several extruders are then supplied with the same material.
- the extruded materials Before testing, in order to ensure the best tube properties and good extrusion quality, it is checked that the extruded materials have a residual moisture level before extrusion of less than 0.08%. Otherwise, an additional step of drying the material is carried out before the tests, generally in a vacuum dryer, for 1 night at 80 ° C.
- the tubes which meet the characteristics described in the present patent application, were taken, after stabilization of the extrusion parameters, the dimensions of the tubes concerned no longer changing over time.
- the diameter is controlled by a laser diameter measurer installed at the end of the line.
- the line speed is typically 20m / min. It generally varies between 5 and 100m / min.
- the screw speed of extruders depends on the thickness of the layer and the diameter of the screw as is known to those skilled in the art.
- the temperatures of the extruders and the tools must be adjusted so as to be sufficiently higher than the melting point of the compositions considered, so that they remain in the molten state, thus avoiding they solidify and block the machine.
- Flex. designates the flexural modulus measured according to IS0178 at 23 ° C on a tube conditioned at equilibrium in a climate of 50% humidity and at 23 ° C
- Shock refers to the VW-40 ° C type shock, VW standard TL524352010
- shock performance that can be qualified as "very bad”, which corresponds to> 75%
- Old. it is about durability, in other words it indicates the resistance of the tube to oxidative aging in hot air.
- the tube is aged in air at 150 ° C, then it is shocked with a shock according to standard DIN 73378, this shock being carried out at -40 ° C, the corresponding half-life (in hours) is indicated. at the end of which 50% of the tubes tested break. A qualitative comment accompanies this value.
- thermo-oxidative aging resistance to thermo-oxidative aging
- thermo-oxidative aging resistance to thermo-oxidative aging
- the value given relates to the weakest interface, that is to say the least adherent of the multilayer, where there is therefore the greatest risk of detachment.
- the peeling is carried out at the interface by subjecting one of the parts to a traction at an angle of 90 ° and at a speed of 50 mm / min according to the following method.
- a strip of tube 9mm wide is taken by cutting. This strip is therefore in the shape of a tile and still has all the layers of the original tube.
- We initiate the separation of the two layers of the interface which we want to evaluate using a knife. Each of the layers thus separated is placed in the jaws of a traction machine. The peeling is carried out by pulling these 2 layers on both sides at 180 degree and at a speed of 50 mm / min.
- the strip, and therefore the interface is for its part maintained at 90 degrees with respect to the direction of traction.
- All.% This is the elongation at break achieved according to the ISO R527 standard except that it is measured on a tube with a diameter of 8mm and a thickness of 1mm.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Laminated Bodies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020227043176A KR20230013045A (ko) | 2020-05-19 | 2021-05-18 | 재활용 폴리아미드에 기초한 다층 구조물 |
US17/999,143 US20230191757A1 (en) | 2020-05-19 | 2021-05-18 | Multilayer structure based on recycled polyamide |
EP21732469.8A EP4153684A1 (fr) | 2020-05-19 | 2021-05-18 | Structure multicouche a base de polyamide recycle |
JP2022570112A JP2023526801A (ja) | 2020-05-19 | 2021-05-18 | 再生ポリアミドをベースとする多層構造体 |
CN202180036760.6A CN115667402A (zh) | 2020-05-19 | 2021-05-18 | 基于再生聚酰胺的多层结构体 |
Applications Claiming Priority (2)
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FR2005005A FR3110585A1 (fr) | 2020-05-19 | 2020-05-19 | Structure multicouche a base de polyamide recycle |
FR2005005 | 2020-05-19 |
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WO2021234264A1 true WO2021234264A1 (fr) | 2021-11-25 |
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PCT/FR2021/050857 WO2021234264A1 (fr) | 2020-05-19 | 2021-05-18 | Structure multicouche a base de polyamide recycle |
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US (1) | US20230191757A1 (fr) |
EP (1) | EP4153684A1 (fr) |
JP (1) | JP2023526801A (fr) |
KR (1) | KR20230013045A (fr) |
CN (1) | CN115667402A (fr) |
FR (1) | FR3110585A1 (fr) |
WO (1) | WO2021234264A1 (fr) |
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FR3130814A1 (fr) * | 2021-12-20 | 2023-06-23 | Arkema France | Composition a base de polyamide recycle et structure tubulaire monocouche la comprenant |
Citations (9)
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EP0342066A1 (fr) | 1988-03-24 | 1989-11-15 | Elf Atochem S.A. | Copolymère greffé à base d'alpha-mono-oléfine, son procédé de fabrication, son application à la fabrication d'alliages thermoplastiques, alliages thermoplastiques obtenus |
EP0428833A2 (fr) | 1989-11-20 | 1991-05-29 | Technoflow Tube-Systems GmbH | Conduite pour automobiles en matière plastique fabriquée par coextrusion |
US5520223A (en) * | 1994-05-02 | 1996-05-28 | Itt Industries, Inc. | Extruded multiple plastic layer coating bonded to the outer surface of a metal tube having an optical non-reactive inner layer and process for making the same |
EP1162061A1 (fr) | 2000-06-09 | 2001-12-12 | EMS-Chemie AG | Stratifiés thermoplastiques |
EP1216826A2 (fr) | 2000-12-21 | 2002-06-26 | Degussa AG | Film multicouche avec une couche d'EVOH |
JP2003042351A (ja) * | 2001-07-25 | 2003-02-13 | Toyoda Gosei Co Ltd | 多層管状体のリサイクル方法 |
EP1452307A1 (fr) | 2003-02-28 | 2004-09-01 | EMS-Chemie AG | Laminé thermoplastique et multi-couche sous forme de corps creux |
EP2098580A1 (fr) | 2008-03-03 | 2009-09-09 | Arkema France | Composition adhésive et structure comprenant au moins une couche de ladite composition. |
EP3299165A1 (fr) | 2016-09-21 | 2018-03-28 | Evonik Degussa GmbH | Corps creux multicouches tres resistant au lavage |
-
2020
- 2020-05-19 FR FR2005005A patent/FR3110585A1/fr active Pending
-
2021
- 2021-05-18 JP JP2022570112A patent/JP2023526801A/ja active Pending
- 2021-05-18 CN CN202180036760.6A patent/CN115667402A/zh active Pending
- 2021-05-18 WO PCT/FR2021/050857 patent/WO2021234264A1/fr unknown
- 2021-05-18 US US17/999,143 patent/US20230191757A1/en active Pending
- 2021-05-18 KR KR1020227043176A patent/KR20230013045A/ko active Search and Examination
- 2021-05-18 EP EP21732469.8A patent/EP4153684A1/fr active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0342066A1 (fr) | 1988-03-24 | 1989-11-15 | Elf Atochem S.A. | Copolymère greffé à base d'alpha-mono-oléfine, son procédé de fabrication, son application à la fabrication d'alliages thermoplastiques, alliages thermoplastiques obtenus |
EP0428833A2 (fr) | 1989-11-20 | 1991-05-29 | Technoflow Tube-Systems GmbH | Conduite pour automobiles en matière plastique fabriquée par coextrusion |
US5520223A (en) * | 1994-05-02 | 1996-05-28 | Itt Industries, Inc. | Extruded multiple plastic layer coating bonded to the outer surface of a metal tube having an optical non-reactive inner layer and process for making the same |
EP1162061A1 (fr) | 2000-06-09 | 2001-12-12 | EMS-Chemie AG | Stratifiés thermoplastiques |
EP1216826A2 (fr) | 2000-12-21 | 2002-06-26 | Degussa AG | Film multicouche avec une couche d'EVOH |
US20040265527A1 (en) * | 2000-12-21 | 2004-12-30 | Degusa Ag | Composite having two or more layers, including an EVOH layer |
JP2003042351A (ja) * | 2001-07-25 | 2003-02-13 | Toyoda Gosei Co Ltd | 多層管状体のリサイクル方法 |
EP1452307A1 (fr) | 2003-02-28 | 2004-09-01 | EMS-Chemie AG | Laminé thermoplastique et multi-couche sous forme de corps creux |
EP2098580A1 (fr) | 2008-03-03 | 2009-09-09 | Arkema France | Composition adhésive et structure comprenant au moins une couche de ladite composition. |
EP3299165A1 (fr) | 2016-09-21 | 2018-03-28 | Evonik Degussa GmbH | Corps creux multicouches tres resistant au lavage |
Non-Patent Citations (1)
Title |
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"Plastiques -- Matériaux polyamides (PA) pour moulage et extrusion -Partie 1: Désignation", ISO 1874-1:2011 |
Also Published As
Publication number | Publication date |
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EP4153684A1 (fr) | 2023-03-29 |
US20230191757A1 (en) | 2023-06-22 |
JP2023526801A (ja) | 2023-06-23 |
FR3110585A1 (fr) | 2021-11-26 |
CN115667402A (zh) | 2023-01-31 |
KR20230013045A (ko) | 2023-01-26 |
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