WO2023275464A1 - Compositions de soufflage moulage a base de polyamides branches et leurs utilisations - Google Patents
Compositions de soufflage moulage a base de polyamides branches et leurs utilisations Download PDFInfo
- Publication number
- WO2023275464A1 WO2023275464A1 PCT/FR2022/051247 FR2022051247W WO2023275464A1 WO 2023275464 A1 WO2023275464 A1 WO 2023275464A1 FR 2022051247 W FR2022051247 W FR 2022051247W WO 2023275464 A1 WO2023275464 A1 WO 2023275464A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- composition
- blow molding
- weight
- polyanhydrides
- compounding
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 142
- 238000000071 blow moulding Methods 0.000 title claims abstract description 41
- 239000004952 Polyamide Substances 0.000 title description 34
- 229920002647 polyamide Polymers 0.000 title description 34
- 229920002732 Polyanhydride Polymers 0.000 claims abstract description 51
- 239000006085 branching agent Substances 0.000 claims abstract description 42
- 238000013329 compounding Methods 0.000 claims abstract description 41
- 229920006177 crystalline aliphatic polyamide Polymers 0.000 claims abstract description 34
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 32
- 125000004433 nitrogen atom Chemical group N* 0.000 claims abstract description 30
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000654 additive Substances 0.000 claims abstract description 25
- 230000000996 additive effect Effects 0.000 claims abstract description 21
- 238000001125 extrusion Methods 0.000 claims abstract description 19
- 239000010410 layer Substances 0.000 claims description 36
- 229920001228 polyisocyanate Polymers 0.000 claims description 27
- 239000005056 polyisocyanate Substances 0.000 claims description 27
- 239000003502 gasoline Substances 0.000 claims description 26
- 239000000470 constituent Substances 0.000 claims description 24
- 239000002356 single layer Substances 0.000 claims description 17
- 239000004609 Impact Modifier Substances 0.000 claims description 16
- 229920000642 polymer Polymers 0.000 claims description 15
- 230000001476 alcoholic effect Effects 0.000 claims description 12
- 150000008064 anhydrides Chemical class 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 239000004593 Epoxy Substances 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 7
- 229920000305 Nylon 6,10 Polymers 0.000 claims description 6
- 229920000572 Nylon 6/12 Polymers 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- GHOKWGTUZJEAQD-ZETCQYMHSA-N (D)-(+)-Pantothenic acid Chemical compound OCC(C)(C)[C@@H](O)C(=O)NCCC(O)=O GHOKWGTUZJEAQD-ZETCQYMHSA-N 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 4
- 239000004715 ethylene vinyl alcohol Substances 0.000 claims description 2
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims 1
- UFRKOOWSQGXVKV-UHFFFAOYSA-N ethene;ethenol Chemical compound C=C.OC=C UFRKOOWSQGXVKV-UHFFFAOYSA-N 0.000 claims 1
- 239000000155 melt Substances 0.000 abstract description 4
- 229920001577 copolymer Polymers 0.000 description 25
- 229920000098 polyolefin Polymers 0.000 description 25
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 24
- 239000005977 Ethylene Substances 0.000 description 18
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- 150000003839 salts Chemical class 0.000 description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 239000002253 acid Substances 0.000 description 12
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 11
- -1 for example Chemical class 0.000 description 11
- 239000000446 fuel Substances 0.000 description 11
- 239000000523 sample Substances 0.000 description 11
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 10
- 150000001412 amines Chemical group 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical class C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 8
- 230000001747 exhibiting effect Effects 0.000 description 8
- 239000003063 flame retardant Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 230000035699 permeability Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 125000000217 alkyl group Chemical group 0.000 description 7
- 239000003963 antioxidant agent Substances 0.000 description 7
- 230000003078 antioxidant effect Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 229920000141 poly(maleic anhydride) Polymers 0.000 description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 6
- 229920002292 Nylon 6 Polymers 0.000 description 6
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- 150000004985 diamines 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
- 239000000178 monomer Substances 0.000 description 6
- 150000002894 organic compounds Chemical class 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000011592 zinc chloride Substances 0.000 description 5
- 235000005074 zinc chloride Nutrition 0.000 description 5
- 239000004711 α-olefin Substances 0.000 description 5
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- NHTMVDHEPJAVLT-UHFFFAOYSA-N Isooctane Chemical compound CC(C)CC(C)(C)C NHTMVDHEPJAVLT-UHFFFAOYSA-N 0.000 description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-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
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 4
- 229920001519 homopolymer Polymers 0.000 description 4
- 239000004611 light stabiliser Substances 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 4
- BNJOQKFENDDGSC-UHFFFAOYSA-N octadecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCCCCCC(O)=O BNJOQKFENDDGSC-UHFFFAOYSA-N 0.000 description 4
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 4
- HQHCYKULIHKCEB-UHFFFAOYSA-N tetradecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCC(O)=O HQHCYKULIHKCEB-UHFFFAOYSA-N 0.000 description 4
- 150000003628 tricarboxylic acids Chemical class 0.000 description 4
- LWBHHRRTOZQPDM-UHFFFAOYSA-N undecanedioic acid Chemical compound OC(=O)CCCCCCCCCC(O)=O LWBHHRRTOZQPDM-UHFFFAOYSA-N 0.000 description 4
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- 229920000877 Melamine resin Polymers 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 239000012963 UV stabilizer Substances 0.000 description 3
- 239000004708 Very-low-density polyethylene Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 150000001735 carboxylic acids Chemical class 0.000 description 3
- 150000001879 copper Chemical class 0.000 description 3
- 150000004699 copper complex Chemical class 0.000 description 3
- 150000001991 dicarboxylic acids Chemical class 0.000 description 3
- 150000001993 dienes Chemical class 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 150000004665 fatty acids Chemical class 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 229920000092 linear low density polyethylene Polymers 0.000 description 3
- 239000004707 linear low-density polyethylene Substances 0.000 description 3
- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadecene Natural products CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920005606 polypropylene copolymer Polymers 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 229920001866 very low density polyethylene Polymers 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 description 2
- PWGJDPKCLMLPJW-UHFFFAOYSA-N 1,8-diaminooctane Chemical compound NCCCCCCCCN PWGJDPKCLMLPJW-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- QFGCFKJIPBRJGM-UHFFFAOYSA-N 12-[(2-methylpropan-2-yl)oxy]-12-oxododecanoic acid Chemical compound CC(C)(C)OC(=O)CCCCCCCCCCC(O)=O QFGCFKJIPBRJGM-UHFFFAOYSA-N 0.000 description 2
- PBLZLIFKVPJDCO-UHFFFAOYSA-N 12-aminododecanoic acid Chemical compound NCCCCCCCCCCCC(O)=O PBLZLIFKVPJDCO-UHFFFAOYSA-N 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- DPUOLQHDNGRHBS-UHFFFAOYSA-N Brassidinsaeure Natural products CCCCCCCCC=CCCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 239000004970 Chain extender Substances 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 2
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920005692 JONCRYL® Polymers 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 125000005250 alkyl acrylate group Chemical group 0.000 description 2
- ZJKCITHLCNCAHA-UHFFFAOYSA-K aluminum dioxidophosphanium Chemical compound [Al+3].[O-][PH2]=O.[O-][PH2]=O.[O-][PH2]=O ZJKCITHLCNCAHA-UHFFFAOYSA-K 0.000 description 2
- XSAOTYCWGCRGCP-UHFFFAOYSA-K aluminum;diethylphosphinate Chemical compound [Al+3].CCP([O-])(=O)CC.CCP([O-])(=O)CC.CCP([O-])(=O)CC XSAOTYCWGCRGCP-UHFFFAOYSA-K 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 2
- 239000002551 biofuel Substances 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- WXCZUWHSJWOTRV-UHFFFAOYSA-N but-1-ene;ethene Chemical compound C=C.CCC=C WXCZUWHSJWOTRV-UHFFFAOYSA-N 0.000 description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 2
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- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
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- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- YQLZOAVZWJBZSY-UHFFFAOYSA-N decane-1,10-diamine Chemical compound NCCCCCCCCCCN YQLZOAVZWJBZSY-UHFFFAOYSA-N 0.000 description 2
- LJOSESICVCVVCK-UHFFFAOYSA-N docosane-1,1-diamine Chemical compound CCCCCCCCCCCCCCCCCCCCCC(N)N LJOSESICVCVVCK-UHFFFAOYSA-N 0.000 description 2
- QFTYSVGGYOXFRQ-UHFFFAOYSA-N dodecane-1,12-diamine Chemical compound NCCCCCCCCCCCCN QFTYSVGGYOXFRQ-UHFFFAOYSA-N 0.000 description 2
- 238000010101 extrusion blow moulding Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 2
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 2
- 239000012760 heat stabilizer Substances 0.000 description 2
- PWSKHLMYTZNYKO-UHFFFAOYSA-N heptane-1,7-diamine Chemical compound NCCCCCCCN PWSKHLMYTZNYKO-UHFFFAOYSA-N 0.000 description 2
- 239000012433 hydrogen halide Substances 0.000 description 2
- 229910000039 hydrogen halide Inorganic materials 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 150000003951 lactams Chemical class 0.000 description 2
- 239000003446 ligand Substances 0.000 description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- SXJVFQLYZSNZBT-UHFFFAOYSA-N nonane-1,9-diamine Chemical compound NCCCCCCCCCN SXJVFQLYZSNZBT-UHFFFAOYSA-N 0.000 description 2
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- 150000007524 organic acids Chemical class 0.000 description 2
- 150000002924 oxiranes Chemical class 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
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- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
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- 239000000454 talc Substances 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 description 2
- DXNCZXXFRKPEPY-UHFFFAOYSA-N tridecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCC(O)=O DXNCZXXFRKPEPY-UHFFFAOYSA-N 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- 229920001567 vinyl ester resin Polymers 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
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- 239000011701 zinc Substances 0.000 description 2
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
- DGZQEAKNZXNTNL-UHFFFAOYSA-N 1-bromo-4-butan-2-ylbenzene Chemical class CCC(C)C1=CC=C(Br)C=C1 DGZQEAKNZXNTNL-UHFFFAOYSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- XAUQWYHSQICPAZ-UHFFFAOYSA-N 10-amino-decanoic acid Chemical compound NCCCCCCCCCC(O)=O XAUQWYHSQICPAZ-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L33/04—Homopolymers or copolymers of esters
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- C08L33/062—Copolymers with monomers not covered by C08L33/06
- C08L33/068—Copolymers with monomers not covered by C08L33/06 containing glycidyl groups
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L35/02—Homopolymers or copolymers of esters
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L35/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L35/06—Copolymers with vinyl aromatic monomers
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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
- C08L37/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a heterocyclic ring containing oxygen; Compositions of derivatives of such polymers
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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
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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
- C08L77/02—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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- 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
- B32B2250/24—All layers being polymeric
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/704—Crystalline
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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
- 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
Definitions
- TITLE BLOW MOLDING COMPOSITIONS BASED ON BRANCHED POLYAMIDES AND THEIR
- the present invention relates to blow molding or extrusion compositions, in particular blow molding compositions, based on branched polyamide and their use for the preparation of single-layer or multi-layer tubular structures intended for the transport, distribution or storage of gasoline. , in particular alcoholic essence, and the process for preparing said structures.
- the tube or the tank is a multilayer tube or tank, the delamination of the layers, in particular internal ones, in particular during the fitting insertion (which can lead to leaks); -excessive swelling of the tube or tank after aging in petrol/diesel systems (including for biodiesel or bio petrol), which can lead to leaks or positioning problems under the vehicle.
- petrol/diesel systems including for biodiesel or bio petrol
- Application EP 0495363 relates to polyamide compositions based on a polyamide alloy (PA) and special olefin-acid anhydride copolymers and their use for the production of shaped hollow bodies.
- PA polyamide alloy
- special olefin-acid anhydride copolymers and their use for the production of shaped hollow bodies.
- compositions are too fluid to allow large reservoirs to be extruded.
- PA 6 polyamide 6
- these structures are based on PA 6 (poor resistance to zinc chloride and fragile when cold) and therefore are not compatible with tank applications for automotive fluids such as gasoline.
- Application CA3101967 relates to polyamide compositions for blow molding based on PA 6 and impact modifier and consequently they present the same problems as above.
- Application EP1352934 describes metal surfaces coated with a layer based on polyamide consisting of a mixture of polyamide and of a polyolefin functionalized with an unsaturated carboxylic acid anhydride.
- Application US2005/228145 describes a transparent multilayer structure comprising a first layer of polyamide consisting of a mixture of polyamide and of a polyolefin functionalized with maleic anhydride.
- Application FR3078132 describes a flexible tubular structure comprising a layer comprising a mixture of polyamide and of a polyolefin functionalized with an anhydride.
- compositions for blow molding or extrusion, in particular blow molding, comprising by weight: a) from 88 to 99.95 %, in particular from 89 to 99.9%, in particular from 93 to 99.9% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, b) from 0.05% to 10%, in particular from 0.1 to 9%, in particular from 0.1 to 5% by weight of at least one branching agent chosen from polyepoxy, maleic polyanhydrides and polyisocyanates, c) from 0 to 2% of at least one additive, in particular from 0.1 to 2%, the composition exhibiting, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane-plane geometry at a temperature of 250°C, a frequency
- compositions which, after compounding, have a viscosity at molten state in a range allowing extrusion-blow molding for the constitution of a single-layer or multi-layer tubular structure intended for the transport, distribution or storage of gasoline, in particular alcoholic gasoline.
- monolayer or multilayer tubular structure a reservoir comprising or consisting of one or more layers.
- the multilayer structure in the present invention also designates a pipe or a tube intended for transporting gasoline to the tank and from the tank to the engine or located under the engine bonnet and which comprises or consists of one or more layers.
- compositions of the invention are the good dimensional stability, that is to say low water uptake, good resistance to zinc chloride.
- non-functionalized impact modifiers are excluded from said composition.
- non-functionalized impact modifiers and low-functionalized impact modifiers are excluded from said composition.
- low-functionalized impact modifier an impact modifier having an equivalent weight per reactive function greater than 10,000 g/mol, advantageously greater than 6000 g/mol.
- the equivalent weight per reactive function is calculated by dividing the average molar mass of the molecule by the number of reactive functions.
- non-functionalized elastomers are excluded from said composition.
- the content of plasticizer in the composition is less than 5% by weight, advantageously less than 2%.
- plasticizers are excluded from said composition.
- impact modifier a polymer with a modulus lower than that of the resin, exhibiting good adhesion with the matrix, so as to dissipate the cracking energy.
- the impact modifier is advantageously made up of a polymer having a flexural modulus of less than 100 MPa measured according to the ISO 178 standard and a Tg of less than 0° C. (measured according to the 11357-2 standard at the level of the inflection point of the DSC thermogram ), 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 non-functionalized polyolefins (B2) have been described below.
- a non-functionalized 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 linear low 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).
- SEBS styrene/ethylene-butene/styrene
- SBS styrene/butadiene/styrene
- SIS styrene/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.
- reactive units 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 from 40/60 to 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, advantageously from 2.8 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 styrene/ethylene-butene/styrene
- SBS styrene/butadiene/styrene
- SIS styrene/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 with a majority of propylene grafted with maleic anhydride then condensed with monoamine 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) alkyl (meth)acrylate or saturated carboxylic acid vinyl ester and (3) anhydride such as maleic anhydride or (meth)acrylic acid or epoxy such as glycidyl (meth)acrylate.
- the (meth)acrylic acid can be salified with Zn or Li.
- alkyl (meth)acrylate in (B1) or (B2) denotes C1 to C8 alkyl methacrylates and acrylates, 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 appropriate process or agent (diepoxy, diacid, peroxide, etc.); the term functionalized polyolefin also includes mixtures of the aforementioned polyolefins with a difunctional reagent such as diacid, dianhydride, diepoxy, etc. 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, etc.
- copolymers mentioned above, (B1) and (B2) can be randomly or block copolymerized and have a linear or branched structure.
- the molecular weight, the MFI index, the density of these polyolefins can also vary to a large extent, which those skilled in the art will appreciate.
- MFI short for Melt Flow Index, is the Melt Flow Index. It is measured according to the ASTM 1238 or ISO 1133:2011 standard.
- the non-functionalized polyolefins (B2) are chosen from polypropylene homopolymers or copolymers and any homopolymer of ethylene or copolymer of ethylene and a comonomer of the higher alpha olefinic type such as butene, hexene, octene or 4-methyl 1-pentene.
- PPs the PEs of high density, medium density PE, linear low density PE, low density PE, very low density PE.
- These polyethylenes are known to those skilled in the art as being produced according to a “radical” process, according to a catalysis of the “Ziegler” type or, more recently, according to a so-called “metallocene” catalysis.
- the functionalized polyolefins (B1) are chosen from any polymer comprising alpha olefin units and units carrying polar reactive functions such as epoxy, carboxylic acid or carboxylic acid anhydride functions.
- polymers mention may be made of ter-polymers of ethylene, alkyl acrylate and maleic anhydride or glycidyl methacrylate such as Lotader ® from SK global Chemical or polyolefins grafted with maleic anhydride such as Orevac ® from SK global Chemical as well as terpolymers of ethylene, alkyl acrylate and (meth)acrylic acid.
- the blow molding or extrusion composition in particular blow molding, comprises from 88 to 99.95%, in particular from 89 to 99.8% of at least one semi-crystalline aliphatic polyamide having a carbon number per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8.
- the polyamide can be a homopolyamide or a copolyamide or a mixture thereof.
- Said semi-crystalline aliphatic polyamide is derived from a repeating unit obtained by polycondensation: of at least one C9 to C18 amino acid, preferably CIO to C18, more preferably CIO to C12, or at least one C9 lactam to C18, preferentially in CIO to C18, more preferentially in CIO to C12, or of at least one diamine Ca in C4-C36, preferentially C6-C18, preferentially C6-C12, more preferentially C10-C12, with at least one acid dicarboxylic Cb in C4-C36, preferentially C6-C18, preferentially C6-C12, more preferentially C10-C12, or a mixture thereof, provided that the number of carbon atoms per nitrogen atom of the repeating unit is greater than or equal to 7, in particular greater than or equal to 8.
- a C9 to C18 amino acid is in particular 9-aminononanoic acid, 10-aminodecanoic acid, 10-aminoundecanoic acid, 12-aminododecanoic acid and 11-aminoundecanoic acid as well as its derivatives, in particular acid N-heptyl-ll-aminoundecanoic acid.
- a C9 to C18 lactam is in particular lauryllactam.
- Said at least one C4-C36 diamine Ca can be chosen in particular from 1,4-butanediamine, 1,5-pentamethylenediamine, 1,6-hexamethylenediamine, 1,7-heptamethylenediamine, 1,8-octamethylenediamine, 1,9-nonamethylenediamine, 1,10-decamethylenediamine, 1,11-undecamethylenediamine, 1,12-dodecamethylenediamine, 1,13-tridecamethylenediamine, 1,14-tetradecamethylenediamine, 1,16-hexadecamethylenediamine and 1, 18-octadecamethylenediamine, octadecenediamine, eicosanediamine, docosanediamine and diamines obtained from fatty acids.
- said at least one diamine Ca is C6-C18 and chosen from 1,6-hexamethylenediamine, 1,7-heptamethylenediamine, 1,8-octamethylenediamine, 1,9-nonamethylenediamine, 1,10-decamethylenediamine , 1,11-undecamethylenediamine, 1,12-dodecamethylenediamine, 1,13-tridecamethylenediamine, 1,14-tetradecamethylenediamine, 1,16-hexadecamethylenediamine and 1,18-octadecamethylenediamine.
- Said at least one Cb C4 to C36 dicarboxylic acid may 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, octadecanediamine, eicosanediamine, docosanediamine and diamines obtained from fatty acids .
- said at least one Cb dicarboxylic acid 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 semi-crystalline aliphatic polyamide is chosen from PA610, PA612, PA 614, PA 10, PAU and PA12, in particular PA610, PA612 and PAU.
- said semi-crystalline aliphatic polyamide is a mixture of two semi-crystalline aliphatic polyamides having a number of carbon per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, in a range of proportion by weight of 5/95 to 95/5.
- the polyamide has a concentration at the end of the amine chains comprised from 5 to 60 peq/g, very advantageously from 10 to 50 peq/g.
- the polyamide has a concentration at the end of the acid chains comprised from 5 to 60 peq/g, very advantageously from 10 to 50 peq/g.
- the ends of the amine chains are measured according to the following method: a sample of polyamide is dissolved in metacresol. Then, this sample is assayed by potentiometry with a 0.02 perchloric acid solution
- the ends of acid chains are measured according to the following method.
- a sample of polyamide is dissolved in benzyl alcohol. Then, this sample is assayed by potentiometry with a solution of tetrabutylammonium hydroxide at 0.02N.
- the MFI of said polyamide or of said polyamide blend ranges from 0.01 to 10, advantageously from 0.01 to 5 g/10 min at 235° C., 5 kg.
- the polyamide according to the invention has an inherent viscosity in m-cresol greater than 1.45, advantageously greater than 1.55, very advantageously greater than 1.6 as determined according to standard ISO 307:2007 but using m -cresol instead of sulfuric acid, a temperature of 20°C and a concentration of 0.5% by weight.
- the branching agent is present in the composition from 0.05% to 10%, in particular from 0.1 to 9%, in particular from 0.1 to 5% by weight and is chosen from polyepoxy, polyanhydrides, and polyisocyanates in particular maleic polyanhydrides and polyepoxy.
- the branching agent is present in the composition at 0.1 to 2% by weight.
- the branching agent may be an impact modifier, in particular a polyolefin functionalized or different from an impact modifier.
- the impact modifier is different from the impact modifier. That is to say, it has a Tg greater than -30°C, very advantageously greater than 0°C.
- the equivalent weight per reactive function of the branching agent is comprised from 100 to 10000 g/mol, advantageously from 120 to 6000 g/mol, very advantageously from 140 to 3300 g/mol.
- said branching agent has an average functionality in terms of epoxy, anhydride or isocyanate functions of from 1.8 to 200, preferably from 2.1 to 150.
- the equivalent weight per reactive function of the branching agents ranges from 100 to 10000 g/mol, advantageously from 120 to 6000 g/mol, very advantageously from 140 to 3300 g/mol.
- the molar mass of the branching agents is between 300 and 120,000 g/mol, preferably between 400 and 100,000 g/mol.
- the molar mass is measured by gas chromatography (GPC).
- the equivalent weight per reactive functions of the branching agents is measured as follows: Isocyanates: The equivalent weight per isocyanate function is measured according to the AFNOR standard referenced NF T52-132.
- Epoxides The equivalent weight per epoxy function is measured according to standard ASTM D1652-11 (2019).
- Maleic anhydride The mass content of maleic anhydride is measured by FTIR using the method of De Roovers et al. [J Polym Sci, Part A: Polym Chem 1995;33:829]
- the equivalent weight is often given by the supplier on the TDS.
- the average functionality is calculated by dividing the molar mass measured by GPC by the average equivalent weight.
- the polyepoxy can be copolymers made from glycidyl maleic anhydride (GMA) or any other monomer comprising an epoxy function.
- GMA glycidyl maleic anhydride
- Examples of commercial polyepoxy are, for example, Xibond® 920 marketed by Polyscope or Joncryl® ADR 4400 marketed by BASF or lotader® AX 8900 marketed by SK Global Chemical.
- the polyanhydrides can be copolymers comprising a copolymerized or grafted anhydride, such as maleic anhydride or itaconic anhydride.
- polyanhydrides are maleic polyanhydrides.
- the other monomer of the copolymers comprising a copolymerized anhydride can be a vinyl aromatic monomer, such as styrene or styrenes in which the aromatic ring contains a halogen or an alkyl substituent.
- the other monomer of the copolymers comprising a copolymerized anhydride can be a vinyl monomer, such as ethylene or octadecene.
- maleic polyanhydrides are copolymers of styrene and maleic anhydride.
- Examples of commercial maleic polyanhydrides are for example Xibond ® 125 (copolymer of styrene and maleic anhydride) marketed by Polyscope or Orevac IM 800 marketed by SK global Chemical or PA 18 (copolymer of 1-octadecene and maleic anhydride) marketed by Chevron Phillips Chemical Company.
- the polyisocyanates are preferably oligomers of isocyanates such as isocyanurates or allophanates.
- isocyanurates or allophanates.
- commercial polyisocyanates are for example Desmodur 3300 marketed by Covestro.
- the additives may be present up to 2% by weight relative to the total weight of the composition, in particular they are present from 0.1 to 2% by weight relative to the total weight of the composition.
- the additive can be chosen from a catalyst, an antioxidant, a heat stabilizer, a UV stabilizer, a light stabilizer, a lubricant, a flame retardant, a nucleating agent, a chain extender and a colorant.
- the additive is selected from catalyst, antioxidant, heat stabilizer, UV stabilizer, light stabilizer, lubricant, flame retardant, chain extender, and colorant.
- catalyst denotes a polycondensation catalyst such as an inorganic or organic acid.
- the proportion by weight of catalyst is comprised from approximately 50 ppm to approximately 5000 ppm, in particular from approximately 100 to approximately 3000 ppm relative to the total weight of the composition.
- the catalyst is chosen from phosphoric acid (H3P04), phosphorous acid (H3P03), hypophosphorous acid (H3P02), or a mixture of these.
- the antioxidant can in particular be an antioxidant based on a copper complex of 0.05 to 5% by weight, preferably 0.05 to 1% by weight, preferably 0.1 to 1%.
- copper complex denotes in particular a complex between a monovalent or divalent salt of copper with an organic or inorganic acid and an organic ligand.
- the copper salt is chosen from cupric salts (Cu(II)) of hydrogen halide, cuprous salts (Cu(II)) of hydrogen halide and salts of aliphatic carboxylic acids.
- the copper salts are chosen from CuCl, CuBr, Cul, CuCN, CuCl2, Cu(OAc)2, cupric stearate.
- Said copper-based complex may further comprise a ligand chosen from phosphines, in particular triphenylphosphines, mercaptobenzimidazole, EDTA, acetylacetonate, glycine, ethylene diamine, oxalate, diethylene diamine, triethylene tetraamine, pyridine, tetrabromobisphenyl-A, tetrabisphenyl-A derivatives, such as epoxy derivatives, and chloro dimethanedibenzo(a,e)cyclooctene derivatives and mixtures thereof.
- Phosphines refer to alkylphosphines, such as tributylphosphine or arylphosphines such as triphenylphosphine (TPP).
- said ligand is triphenylphosphine.
- the amount of copper in the composition of the invention is between 10 ppm to 1000 ppm by weight, especially from 50 to 150 ppm relative to the total weight of the composition.
- said copper-based complex further comprises a halogenated organic compound.
- the halogenated organic compound can be any halogenated organic compound.
- said halogenated organic compound is a bromine-based compound and/or an aromatic compound.
- said aromatic compound is chosen in particular from decabromediphenyl, decabromodiphenyl ether, bromo or chlorostyrene oligomers and polydibromostyrene.
- said halogenated organic compound is a bromine-based compound.
- Said halogenated organic compound is added to the composition in a proportion of 50 to 30,000 ppm by weight of halogen relative to the total weight of the composition, in particular from 100 to 10,000 in particular from 500 to 1500 ppm.
- the copper:halogen molar ratio is comprised from 1:1 to 1:3000, in particular from 1:2 to 1:100.
- said ratio is comprised from 1:1.5 to 1:15.
- the copper complex antioxidant is provided.
- the thermal stabilizer can be an organic stabilizer or more generally a combination of organic stabilizers, such as a primary antioxidant of the phenol type (for example of the type of that of irganox 245 or 1098 or 1010 from the company Ciba), a secondary antioxidant of phosphite type.
- a primary antioxidant of the phenol type for example of the type of that of irganox 245 or 1098 or 1010 from the company Ciba
- a secondary antioxidant of phosphite type such as a primary antioxidant of the phenol type (for example of the type of that of irganox 245 or 1098 or 1010 from the company Ciba), a secondary antioxidant of phosphite type.
- the UV stabilizer can be a HALS, which means Hindered Amine Light Stabilizer or an anti-UV (for example Tinuvin 312 from the company Ciba).
- the light stabilizer can be of the hindered amine type (for example Tinuvin 770 from the company Ciba), a phenolic or phosphorus-based stabilizer.
- the lubricant can be a fatty acid type lubricant such as stearic acid.
- the flame retardant may be a halogen-free flame retardant, as described in US 2008/0274355 and in particular a phosphorus-based flame retardant, for example a metal salt chosen from a metal salt of phosphinic acid, in particular salts dialkyl phosphinate, in particular diethylphosphinate aluminum salt or aluminum diethylphosphinate, a metal salt of diphosphinic acid, a mixture of aluminum phosphinate flame retardant and a nitrogen synergist or a mixture of aluminum phosphinate flame retardant and a phosphorus synergist, a polymer containing at least one metal salt of phosphinic acid, in particular on an ammonium base such as an ammonium polyphosphate, sulfamate or pentaborate, or on a melamine base such as melamine, melamine salts, melamine pyrophosphates and melamine cyanurates, or based on cyanuric acid, further a
- the nucleating agent can be silica, alumina, clay or talc, in particular talc.
- chain regulators are monoamines, monocarboxylic acids, diamines, triamines, dicarboxylic acids, tricarboxylic acids, tetraamines, tetracarboxylic acids and, oligoamines or oligocarboxylic acids having respectively in each case 5 to 8 amino or carboxy groups and in particular dicarboxylic acids, tricarboxylic acids or a mixture of dicarboxylic acids and tricarboxylic acids.
- dodecanedicarboxylic acid in the form of the dicarboxylic acid and trimellitic acid as the tricarboxylic acid.
- the blow molding or extrusion composition comprises by weight: a) from 88 to 99.95%, in particular from 89 to 99.9%, in particular from 93 to 99.9% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, b) from 0.05% to 10%, in particular from 0.1 to 9%, in particular from 0.1 to 5% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular polymaleic anhydrides and polyepoxy, c) from 0 to 2% of at least one additive, in particular from 0.1 to 2%, the composition having, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in geometry plan- plane according to standard 6721-10:2015 at a temperature of 250°C, a frequency of 0.292 rad/
- the blow molding or extrusion composition in particular blow molding, consists by weight of: a) from 88 to 99.95%, in particular from 89 to 99.9%, in particular from 93 to 99.9% of at least one semi-crystalline aliphatic polyamide having a carbon number per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, b) from 0.05% to 10%, in particular from 0.1 to 9%, in particular from 0.1 to 5% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy, c) from 0 to 2% of at least one additive, in particular from 0.1 to 2%, the composition having, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferentially from 15,000 to 220,000 Pa.
- said composition comprises: a) from 88 to 99.95% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, b) from 0.05% to 10% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy, the composition exhibiting, after compounding, a viscosity in the molten state ranging from 10,000 to 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane-plane geometry according to standard 6721-10:2015 at a temperature of 250°C, a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) making 100% by weight.
- branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy
- said composition consists of: a) from 88 to 99.95% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, b) from 0.05% to 10% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular polymaleic anhydrides and polyepoxy, the composition having, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane-plane geometry according to standard 6721-10:2015 at a temperature of 250° C., a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) making 100% by weight.
- branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular polymaleic anhydrides and polyepoxy
- said composition comprises: a) from 88 to 99.85% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, b) from 0.05% to 10% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy, c) from 0.1 to 2% of at least one additive, the composition having, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane-plane geometry according to the standard 6721-10:2015 at a temperature of 250°C, a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) + c) being 100% by weight.
- branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular male
- said composition consists of: a) from 88 to 99.85% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, b) from 0.05% to 10% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular polymaleic anhydrides and polyepoxy, c) from 0, 1 to 2% of at least one additive, the composition having, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane-plane geometry according to standard 6721-10:2015 at a temperature of 250°C, a frequency of 0.292 rad/set a deformation of 2%, the sum of the constituents a) + b) + c) making 100% by weight.
- branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular poly
- said composition comprises: a) from 89 to 99.9% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, b) from 0.1 to 9%, by weight of at least one branching agent chosen from polyepoxy, polyanhydrides, and polyisocyanates, in particular maleic polyanhydrides and polyepoxy, c) from 0 to 2% d at least one additive, in particular from 0.1 to 2%, the composition having, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane-plane geometry according to standard 6721-10:2015 at a temperature of 250° C., a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) + c) making 100% by weight.
- branching agent chosen from polyepoxy, polyan
- said composition comprises: a) from 89 to 99.9% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in in particular greater than or equal to 8, b) from 0.1 to 9%, by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy, the composition having after compounding a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably between 15,000 and 220,000 Pa.s, as measured in plane-plane geometry according to standard 6721-10:2015 at a temperature of 250°C , a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) making 100% by weight.
- branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy
- the composition consists of: a) from 89 to 99.9% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, b) from 0.1 to 9%, by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular polymaleic anhydrides and polyepoxy, the composition having, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane-plane geometry according to standard 6721-10:2015 at a temperature of 250° C., a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) making 100% by weight.
- branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular polymaleic anhydrides and polyepoxy
- said composition comprises: a) from 89 to 99.8% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, b) from 0.1 to 9%, by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy, c) from 0.1 to 2% of at least one additive, the composition having, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane-plane geometry according to standard 6721-10:2015 at a temperature of 250° C., a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) + c) making 100% by weight.
- branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular
- the composition consists of: a) from 89 to 99.8% of at least one semi-crystalline aliphatic polyamide having a higher number of carbon per nitrogen atom or equal to 7, in particular greater than or equal to 8, b) from 0.1 to 9%, by weight, of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy, c) from 0.1 to 2% of at least one additive, the composition exhibiting, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, such as measured in plane-plane geometry according to standard 6721-10:2015 at a temperature of 250°C, a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) + c) being 100 % in weight.
- said composition comprises: a) from 93 to 99.9% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, b) from 0.1 to 5% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy, c) from 0 to 2% of at least one additive, in particular from 0.1 to 2%, the composition exhibiting, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in geometry plan-plan according to standard 6721-10:2015 at a temperature of 250°C, a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) + c) making 100% by weight .
- branching agent chosen from polyepoxy, polyanhydrides and
- said composition comprises: a) from 93 to 99.9% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in in particular greater than or equal to 8, b) from 0.1 to 5% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular polymaleic anhydrides and polyepoxy, the composition having, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane-plane geometry according to standard 6721-10:2015 at a temperature of 250° C., a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) making 100% by weight.
- branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular polymaleic anhydrides and polyepoxy
- said composition consists of: a) from 93 to 99.9% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to to 7, in particular greater than or equal to 8, b) from 0.1 to 5% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular polymaleic anhydrides and polyepoxy, the composition having, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane-plane geometry according to standard 6721-10:2015 at a temperature of 250° C., a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) making 100% by weight.
- branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular polymaleic anhydrides and polyepoxy
- said composition comprises: a) from 93 to 99.8% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, b) from 0.1 to 5% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy, c) from 0 , 1 to 2% of at least one additive, the composition having, after compounding, a viscosity in the molten state comprised from 10,000 to 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane-plane geometry according to standard 6721-10:2015 at a temperature of 250°C, a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) + c) making 100% by weight.
- branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates,
- said composition consists of: a) from 93 to 99.8% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, b) from 0.1 to 5% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy , c) from 0.1 to 2% of at least one additive, the composition exhibiting, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane-plane geometry according to standard 6721-10:2015 at a temperature of 250°C, a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) + c) making 100% in weight.
- branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates,
- said composition comprises: a) from 98 to 99.9% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, b) from 0.1 to 2% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy, c) from 0 to 2% of at least one additive, in particular from 0.1 to 2%, the composition exhibiting, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in geometry plane-plane at a temperature of 250° C., a frequency of 0.292 rad/s and a deformation of 10%, the sum of the constituents a) + b) + c) being 100% by weight.
- branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular male
- said composition comprises: a) from 98 to 99.9% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in in particular greater than or equal to 8, b) from 0.1 to 2% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy, the composition having after compounding a melt viscosity of 10,000 to 300,000 Pa.s, preferably 15,000 to 220,000 Pa.s, as measured in plane-plane geometry according to standard 6721-10:2015 at a temperature of 250°C, a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) making 100% by weight.
- branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy
- said composition consists of: a) from 98 to 99.9% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to to 7, in particular greater than or equal to 8, b) from 0.1 to 2% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular polymaleic anhydrides and polyepoxy, the composition having, after compounding, a viscosity in the molten state comprised from 10,000 to 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane-plane geometry according to standard ISO 6721-10:2015 at a temperature of 250° C., a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) making 100% by weight.
- branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular polymaleic anhydrides and polyepoxy
- said composition comprises: a) from 96 to 99.8% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to 7, in particular greater than or equal to 8, b) from 0.1 to 2% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy, c) of 0.1 to 2% of at least one additive, the composition exhibiting, after compounding, a viscosity in the molten state comprised from 10,000 to 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane geometry - plan according to ISO 6721-10:2015 at a temperature of 250°C, a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) + c) making 100% by weight .
- branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in
- said composition consists of: a) from 96 to 99.8% of at least one semi-crystalline aliphatic polyamide having a higher number of carbon per nitrogen atom or equal to 7, in particular greater than or equal to 8, b) from 0.1 to 2% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides and polyisocyanates, in particular maleic polyanhydrides and polyepoxy , c) from 0.1 to 2% of at least one additive, the composition having, after compounding, a viscosity in the molten state of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, such as measured in plane-plane geometry according to standard ISO 6721-10:2015 at a temperature of 250°C, a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a) + b) + c) being 100% by weight.
- the MVR volume melt index
- ISO 1133:2011 with a weight of 21.6 Kg and at a temperature of 275°C is included from 2 to 25 cm 3 /10 min, advantageously from 5 to 20 cm 3 /10 min, very advantageously comprised from 6 to 18 cm 3 /10 min.
- the MF! of the composition is comprised from 0 to 5, advantageously from 0 to 0.1 g/10 min at 235° C., 1 kg according to ISO 1133: 2011.
- branching agent and the polyamide are linked by means of a covalent bond, advantageously the branching agent and the polyamide are linked by an amide, ester or urea function.
- the ratio of the viscosities in the molten state as measured in plane-plane geometry at 0.292 rad. s 7292 rad.s 1 of said compositions is between 10 and 200, advantageously between 25 and 150.
- This ratio makes it possible to determine the degree of branching of the polyamide of said composition. The higher the ratio, the more the polyamide is connected in the composition. Consequently, the polyamide must be fluid at 292 rad.s 1 and viscous at 0.292 rad.s 1 ; the viscosity at 292 rad.s ⁇ 1 is between 400 and 2000 and preferably between 600 and 1550;
- the rheotensive force at 250° C. of the composition after compounding is between 22 mN and 200 mN, in particular between 25 mN and 150 mN; this force determines the molten strength of the polyamide, the greater the force, the less the polyamide flows;
- the Rheotens force can for example be determined using a Rheotens 71.97 apparatus from Gottfert.
- the swelling rate is carried out according to the following procedure: a 25 cm tubular parison is extruded using a blow molding extrusion line equipped with an accumulator. The expulsion speed is fixed at 0.1m/s, the temperature of the extrudate is checked manually using a thermal probe. The measurement of the diameter of the parison is carried out 10 cm below the die. 5 measurements are taken to obtain an average. The temperature is chosen according to the flow characteristics of the polymer to limit the creep of the parison as much as possible.
- the behavior of the parison makes it possible to analyze the capacity of the material to counterbalance the effect of gravity. Under its weight, a parison extruded horizontally or vertically will creep, thus modifying its dimensions.
- the hold of the vertical parison of the composition after compounding is between 15 and 50 s, in particular from 20 to 45 s.
- the present invention relates to a single-layer or multi-layer tubular structure intended for the transport, distribution or storage of gasoline, in particular alcoholic gasoline, comprising at least one sealing layer (1) comprising a composition as defined above.
- gasoline designates a mixture of hydrocarbons resulting from the distillation of petroleum to which additives or alcohols such as methanol and ethanol may be added, alcohols being able to be major components in certain cases.
- alcoholic gasoline designates a gasoline in which methanol or ethanol has been added. It also designates an E95 type gasoline which does not contain any petroleum distillation product.
- said tubular structure is excluding a partially corrugated flexible tubular structure located at least partially inside the fuel tank of a motor vehicle.
- said sealing layer has during the first fuel storage, at most 1 g/m2, preferably 0.5 g/m2 of insoluble extract as well as at most 15 g /m2, preferably 10 g/m2 of soluble extract being removed by washing the monolayer or multilayer tubular structure as an overall system, determined according to the protocol described below, on a 20 x 4 x 4 cm3 tank having a wall thickness of 2 mm.
- composition of the invention in the sealing layer makes it possible to greatly reduce the proportion of extractables as determined by a test as defined above and in particular by a test which consists in filling a tubular structure (reservoir) of FAM-B type alcoholic gasoline and heating the assembly at 60°C for 96 hours, then emptying it by filtering it into a beaker, then allowing the filtrate in the beaker to evaporate at room temperature to finally weigh this residue, the proportion of which must be less than or equal to approximately 15 g/m2, preferably 10 g/m2 of internal tank surface.
- the insoluble extracts present during the filtration on the beaker are also weighed and represent a maximum of 1 g/m 2 , preferably 0.5 g/m2
- FAM B alcoholic gasoline is described in DIN 51604-1:1982, DIN 51604-2:1984 and DIN
- alcoholic gasoline FAM A is first prepared with a mixture of 50% Toluene, 30% isooctane, 15% di-isobutylene and 5% ethanol then FAM B is prepared by mixing 84.5% FAM A with 15% methanol and 0.5% water.
- FAB consists of 42.3% toluene, 25.4% isooctane, 12.7% di-isobutylene, 4.2% ethanol, 15% methanol and 0.5% water.
- said structure is monolayer. In yet another embodiment of this second aspect, said structure is multilayered and comprises a barrier layer (3).
- carrier layer means a layer that is not very permeable to fuels, in particular to alcoholic gasolines and which consequently allows very little fuel, in particular alcoholic gasolines, to pass into the atmosphere.
- carrier layer means that the proportion of gasoline, in particular alcoholic gasoline, which passes into the atmosphere is less than 20 g.mm/m2.day as determined with a CE 10 fuel at 60°C.
- the instantaneous permeability is zero during the induction period, then it gradually increases to a value at equilibrium which corresponds to the steady-state permeability value. This value obtained in steady state is considered to be the permeability of the material.
- This barrier property is essential for pipes or tanks in contact with the atmosphere.
- said barrier layer (3) is made of ethylene vinyl alcohol (EVOH).
- the present invention relates to the use of 0.05% to 10%, in particular from 0.1 to 9% by weight of at least one branching agent chosen from polyepoxy, polyanhydrides, and polyisocyanates , in particular maleic polyanhydrides and polyepoxys, with 88 to 99.95%, in particular from 89 to 99.9% of at least one semi-crystalline aliphatic polyamide having a number of carbon per nitrogen atom greater than or equal to to 7, in particular greater than or equal to 8, and optionally an additive for the constitution of a blow molding composition, as defined above, whose viscosity in the molten state after compounding is between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane-plane geometry according to standard ISO 6721-10:2015 at a temperature of 250°C, a frequency of 0.292 rad/s and a deformation of 2%.
- branching agent chosen from polyepoxy, polyanhydrides, and polyisocyanates , in particular male
- a tank comprising or consisting of one or more layers, namely a sealing layer and optionally one or more reinforcing layers, or several sealing layers and optionally several layers reinforcement, or several sealing layers and a reinforcing layer or else a sealing layer and a reinforcing layer.
- the monolayer or multilayer tubular structure in the present invention also designates a pipe or a tube intended for the transport of hydrogen from the tank to the fuel cell and which comprises or consists of one or more layers, as defined above. .
- the present invention relates to a method for preparing a composition for blow molding or extrusion, in particular blow molding, as defined above, characterized in that it comprises a step of compounding said composition.
- the compounding step is carried out in a special way so that the alloys have melt viscosities of between 10,000 and 300,000 Pa.s, preferably from 15,000 to 220,000 Pa.s, as measured in plane-plane geometry according to ISO 6721- 10:2015 at a temperature of 250°C, a frequency of 0.292 rad/s and a strain of 2%.
- These viscosities can for example be obtained by compounding at a temperature of the molten polymer greater than 280° C., preferably greater than 300° C. by increasing the residence time in the compounder.
- This branching reaction is advantageously catalyzed with, for example, phosphonium salts or hindered amines.
- the average residence time being advantageously comprised from 20 seconds to 10 minutes, very advantageously from 45 seconds to 6 minutes.
- said compounding is carried out at a temperature of the molten polymer greater than 280° C., preferably greater than 300° C. with an average residence time ranging from 20 seconds to 10 minutes, very advantageously from 45 seconds to 6 minutes .
- the present invention relates to a process for preparing a single-layer or multi-layer tubular structure as defined above, characterized in that it comprises a step of blow-molding or extrusion, in particular blow-molding , of a composition as defined above.
- the method comprises a prior step of compounding a composition as defined above.
- the prior compounding step is in particular carried out as defined above.
- the alloys were fabricated using a 40 mm ZSK twin-screw extruder (Coperion).
- the barrel temperature was set at 280°C and the screw speed was 300 rpm with a throughput of 60 kg/h.
- the PA6 used is a polyamide 6 having a concentration at the end of the acid chain of 25 peq/g and a concentration at the end of the amine chain of 22 peq/g.
- the PA610 used is a polyamide 610 having a concentration of acid chain ends of 27 peq/g and a concentration of amine chain ends of 19 peq/g.
- the PA612 used is a polyamide 612 having a concentration of acid chain ends of 22 peq/g and a concentration of amine chain ends of 20 peq/g.
- the PAU used is a phosphoric acid-catalyzed polyamide 11 having a concentration of acid chain ends of 30 peq/g and a concentration of amine chain ends of 33 peq/g.
- the Joncryl ADR 4400 is from BASF.
- the Xibond 125 is from Polyscope.
- the Lotader 3410 is from SK functional polymer.
- Anox NBD TL 89 stabilizer is from SI group.
- melt viscosity was measured using an Ares G2 Rotational Rheometer equipped with a 25mm plane-plane geometry at a temperature of 250°C, at 0.292 rad/s (residence time before launch 5 min under nitrogen, deformation of 2%, scanning from 628rad/s to 0.062rad/s and 3 points per decade, taking of a point over 3 cycles, gap of 1.5mm )
- the Rheotens force is determined using a Rheotens 71.97 apparatus from Gottfert.
- the water uptake is determined either in an oven under a controlled atmosphere at 100% Rh or in water, in all cases after saturation at 70°C and the measurement of this water uptake is made by weighing the sample at 23°C, for regular sampling times, spaced out by several days, until a state of equilibrium is observed , which is reached when the mass of the sample becomes constant (at the uncertainty of the measurement near) for three consecutive sampling times.
- ZnCI2 / CaCI2 stress cracking resistance was determined according to the protocol below: IA specimens with a thickness of 4 mm were clamped on a mandrel with a radius of 32.5 mm and then immersed for 300 h at 23 °C in a 50% ZnCh solution. The specimen is then dried at 23° C. for 72 h. The specimens are then analyzed to observe the presence of cracking and a rating of resistance to cracking has been assigned to each sample. 0: very low resistance, very cracked sample.
- the CE10 permeability measurement consists of putting 30ml of CE10 in a dish, then sealing it with the 3 mm plate to be evaluated.
- the assembly is placed in a temperature-regulated chamber. Periodic weighings make it possible to determine the quantity of solvent vapor which diffuses through the plate.
- the flow normalized with the surface of the sample, is obtained thanks to the slope of the curve of the follow-up of the evolution of the weight (solvent) as a function of time.
- compositions of the invention and the comparative compositions were tested on several parameters.
- MFI short for Melt Flow Index
- compositions according to the invention have an MFI equal to 0, which means that nothing flows into the machine.
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Abstract
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CN202280046273.2A CN117580892A (zh) | 2021-06-28 | 2022-06-24 | 基于支化聚酰胺的吹塑组合物及其用途 |
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Citations (9)
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US3505285A (en) | 1965-09-11 | 1970-04-07 | Bayer Ag | Stabilised polyamides containing a copper salt and a phosphine |
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 |
EP0495363A1 (fr) | 1991-01-15 | 1992-07-22 | Bayer Ag | Procédé de préparation de polyamides à haut poids moléculaire |
CA2347258A1 (fr) | 1998-10-15 | 2000-04-20 | L. Bruggemann Kg | Composition de polyamide stabilisee avec des complexes de cuivre et des composes halogenes organiques |
EP1352934A1 (fr) | 2002-04-08 | 2003-10-15 | Atofina | Surfaces métalliques revêtues de polyamide |
US20050228145A1 (en) | 2004-01-26 | 2005-10-13 | Christophe Lacroix | Polyamide 1/interlayer/polyamide 2 multilayer structures for decorated articles |
US20080274355A1 (en) | 2007-05-03 | 2008-11-06 | Ems-Patent Ag | Semiaromatic polyamide molding compositions and their use |
FR3078132A1 (fr) | 2018-02-21 | 2019-08-23 | Arkema France | Structure tubulaire annelee destinee au transport de carburant dans le reservoir |
WO2020027031A1 (fr) | 2018-07-31 | 2020-02-06 | 東レ株式会社 | Composition de résine de polyamide pour produits moulés par soufflage exposés à de l'hydrogène à haute pression, et produit moulé par soufflage |
-
2021
- 2021-06-28 FR FR2106903A patent/FR3124517A1/fr active Pending
-
2022
- 2022-06-24 CN CN202280046273.2A patent/CN117580892A/zh active Pending
- 2022-06-24 KR KR1020247003230A patent/KR20240025680A/ko unknown
- 2022-06-24 WO PCT/FR2022/051247 patent/WO2023275464A1/fr active Application Filing
- 2022-06-24 EP EP22743851.2A patent/EP4363485A1/fr active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3505285A (en) | 1965-09-11 | 1970-04-07 | Bayer Ag | Stabilised polyamides containing a copper salt and a phosphine |
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 |
EP0495363A1 (fr) | 1991-01-15 | 1992-07-22 | Bayer Ag | Procédé de préparation de polyamides à haut poids moléculaire |
CA2347258A1 (fr) | 1998-10-15 | 2000-04-20 | L. Bruggemann Kg | Composition de polyamide stabilisee avec des complexes de cuivre et des composes halogenes organiques |
EP1352934A1 (fr) | 2002-04-08 | 2003-10-15 | Atofina | Surfaces métalliques revêtues de polyamide |
US20050228145A1 (en) | 2004-01-26 | 2005-10-13 | Christophe Lacroix | Polyamide 1/interlayer/polyamide 2 multilayer structures for decorated articles |
US20080274355A1 (en) | 2007-05-03 | 2008-11-06 | Ems-Patent Ag | Semiaromatic polyamide molding compositions and their use |
FR3078132A1 (fr) | 2018-02-21 | 2019-08-23 | Arkema France | Structure tubulaire annelee destinee au transport de carburant dans le reservoir |
WO2020027031A1 (fr) | 2018-07-31 | 2020-02-06 | 東レ株式会社 | Composition de résine de polyamide pour produits moulés par soufflage exposés à de l'hydrogène à haute pression, et produit moulé par soufflage |
CA3101967A1 (fr) | 2018-07-31 | 2020-02-06 | Toray Industries, Inc. | Composition de resine de polyamide pour produits moules par soufflage exposes a de l'hydrogene a haute pression, et produit moule par soufflage |
Non-Patent Citations (1)
Title |
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DE ROOVERS ET AL., J POLYM SCI, vol. 33, 1995, pages 829 |
Also Published As
Publication number | Publication date |
---|---|
CN117580892A (zh) | 2024-02-20 |
FR3124517A1 (fr) | 2022-12-30 |
EP4363485A1 (fr) | 2024-05-08 |
KR20240025680A (ko) | 2024-02-27 |
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