EP0878567A2 - Polyolefinfasern und Polyolefingarne und daraus hergestellte textile Flächengebilde - Google Patents
Polyolefinfasern und Polyolefingarne und daraus hergestellte textile Flächengebilde Download PDFInfo
- Publication number
- EP0878567A2 EP0878567A2 EP98107669A EP98107669A EP0878567A2 EP 0878567 A2 EP0878567 A2 EP 0878567A2 EP 98107669 A EP98107669 A EP 98107669A EP 98107669 A EP98107669 A EP 98107669A EP 0878567 A2 EP0878567 A2 EP 0878567A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- mass
- propylene
- polypropylene
- melt
- polyolefin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 99
- 239000004753 textile Substances 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 title abstract description 3
- 229920001155 polypropylene Polymers 0.000 claims abstract description 191
- -1 polypropylene Polymers 0.000 claims abstract description 175
- 239000004743 Polypropylene Substances 0.000 claims abstract description 136
- 239000000203 mixture Substances 0.000 claims abstract description 61
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 58
- 239000004744 fabric Substances 0.000 claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 claims abstract description 33
- 239000000178 monomer Substances 0.000 claims abstract description 26
- 239000004711 α-olefin Substances 0.000 claims abstract description 24
- 229920001384 propylene homopolymer Polymers 0.000 claims abstract description 22
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229920005606 polypropylene copolymer Polymers 0.000 claims abstract description 16
- 239000005977 Ethylene Substances 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 9
- 238000010128 melt processing Methods 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 7
- 125000004018 acid anhydride group Chemical group 0.000 claims abstract description 6
- 230000009257 reactivity Effects 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims description 73
- 239000000155 melt Substances 0.000 claims description 41
- 238000009987 spinning Methods 0.000 claims description 41
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 35
- 229920001577 copolymer Polymers 0.000 claims description 25
- 125000004432 carbon atom Chemical group C* 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 12
- 229920001400 block copolymer Polymers 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 150000002976 peresters Chemical class 0.000 claims description 8
- 239000003381 stabilizer Substances 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 6
- 239000012968 metallocene catalyst Substances 0.000 claims description 6
- 239000006057 Non-nutritive feed additive Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 150000002432 hydroperoxides Chemical class 0.000 claims description 5
- 230000005865 ionizing radiation Effects 0.000 claims description 5
- 239000002667 nucleating agent Substances 0.000 claims description 5
- 150000004978 peroxycarbonates Chemical class 0.000 claims description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 230000001588 bifunctional effect Effects 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 4
- 230000003301 hydrolyzing effect Effects 0.000 claims description 4
- 239000000049 pigment Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000002216 antistatic agent Substances 0.000 claims description 3
- 230000002902 bimodal effect Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000002074 melt spinning Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000010924 continuous production Methods 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 239000012442 inert solvent Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 2
- 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 claims 1
- 239000003063 flame retardant Substances 0.000 claims 1
- 150000003254 radicals Chemical class 0.000 abstract description 15
- 150000004985 diamines Chemical class 0.000 abstract description 4
- 150000002009 diols Chemical class 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 239000003999 initiator Substances 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 15
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 12
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 10
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 10
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- DQCLZKINSGKBFP-UHFFFAOYSA-N 2-tert-butyl-4,6-di(propan-2-yl)phenol Chemical compound CC(C)C1=CC(C(C)C)=C(O)C(C(C)(C)C)=C1 DQCLZKINSGKBFP-UHFFFAOYSA-N 0.000 description 5
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 5
- 235000013539 calcium stearate Nutrition 0.000 description 5
- 239000008116 calcium stearate Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 235000019359 magnesium stearate Nutrition 0.000 description 5
- 239000004745 nonwoven fabric Substances 0.000 description 5
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 4
- 238000007872 degassing Methods 0.000 description 4
- 229960004132 diethyl ether Drugs 0.000 description 4
- 229920001519 homopolymer Polymers 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 description 3
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 3
- 238000002788 crimping Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- MGNZXYYWBUKAII-UHFFFAOYSA-N cyclohexa-1,3-diene Chemical compound C1CC=CC=C1 MGNZXYYWBUKAII-UHFFFAOYSA-N 0.000 description 3
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 3
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- FLQULDKEPHBJJU-UHFFFAOYSA-N (3-methoxybenzoyl) 3-methoxybenzenecarboperoxoate Chemical compound COC1=CC=CC(C(=O)OOC(=O)C=2C=C(OC)C=CC=2)=C1 FLQULDKEPHBJJU-UHFFFAOYSA-N 0.000 description 2
- PRJNEUBECVAVAG-UHFFFAOYSA-N 1,3-bis(ethenyl)benzene Chemical compound C=CC1=CC=CC(C=C)=C1 PRJNEUBECVAVAG-UHFFFAOYSA-N 0.000 description 2
- WEERVPDNCOGWJF-UHFFFAOYSA-N 1,4-bis(ethenyl)benzene Chemical compound C=CC1=CC=C(C=C)C=C1 WEERVPDNCOGWJF-UHFFFAOYSA-N 0.000 description 2
- XSCQJTLZOWDAAJ-UHFFFAOYSA-N 1-butylperoxybutan-1-ol Chemical compound CCCCOOC(O)CCC XSCQJTLZOWDAAJ-UHFFFAOYSA-N 0.000 description 2
- PAOHAQSLJSMLAT-UHFFFAOYSA-N 1-butylperoxybutane Chemical compound CCCCOOCCCC PAOHAQSLJSMLAT-UHFFFAOYSA-N 0.000 description 2
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 2
- CWCQMKNAWHSGCQ-UHFFFAOYSA-N 2-cyclohexylethaneperoxoic acid Chemical compound OOC(=O)CC1CCCCC1 CWCQMKNAWHSGCQ-UHFFFAOYSA-N 0.000 description 2
- XAXYTHWQHBSHRO-UHFFFAOYSA-N 3,3-diethylpenta-1,4-diene Chemical compound CCC(CC)(C=C)C=C XAXYTHWQHBSHRO-UHFFFAOYSA-N 0.000 description 2
- BHZUNHXTRRNKST-UHFFFAOYSA-N 3,3-dimethylpenta-1,4-diene Chemical compound C=CC(C)(C)C=C BHZUNHXTRRNKST-UHFFFAOYSA-N 0.000 description 2
- ZXABMDQSAABDMG-UHFFFAOYSA-N 3-ethenoxyprop-1-ene Chemical compound C=CCOC=C ZXABMDQSAABDMG-UHFFFAOYSA-N 0.000 description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- UUGAMSCIXSHCOR-UHFFFAOYSA-N OOC(=O)C1=CC=CC(CCC=2C=CC=CC=2)=C1[N+]([O-])=O Chemical compound OOC(=O)C1=CC=CC(CCC=2C=CC=CC=2)=C1[N+]([O-])=O UUGAMSCIXSHCOR-UHFFFAOYSA-N 0.000 description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
- FHELEKLDAMMFQH-UHFFFAOYSA-N butyl 4-methoxybenzenecarboperoxoate Chemical compound CCCCOOC(=O)C1=CC=C(OC)C=C1 FHELEKLDAMMFQH-UHFFFAOYSA-N 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 150000001993 dienes Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- AHAREKHAZNPPMI-UHFFFAOYSA-N hexa-1,3-diene Chemical compound CCC=CC=C AHAREKHAZNPPMI-UHFFFAOYSA-N 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- IZYBEMGNIUSSAX-UHFFFAOYSA-N methyl benzenecarboperoxoate Chemical compound COOC(=O)C1=CC=CC=C1 IZYBEMGNIUSSAX-UHFFFAOYSA-N 0.000 description 2
- ZARXZEARBRXKMO-UHFFFAOYSA-N n,n-bis(ethenyl)aniline Chemical compound C=CN(C=C)C1=CC=CC=C1 ZARXZEARBRXKMO-UHFFFAOYSA-N 0.000 description 2
- MMCOUVMKNAHQOY-UHFFFAOYSA-L oxido carbonate Chemical compound [O-]OC([O-])=O MMCOUVMKNAHQOY-UHFFFAOYSA-L 0.000 description 2
- QYZLKGVUSQXAMU-UHFFFAOYSA-N penta-1,4-diene Chemical compound C=CCC=C QYZLKGVUSQXAMU-UHFFFAOYSA-N 0.000 description 2
- 239000002530 phenolic antioxidant Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229920006301 statistical copolymer Polymers 0.000 description 2
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OGQVROWWFUXRST-FNORWQNLSA-N (3e)-hepta-1,3-diene Chemical compound CCC\C=C\C=C OGQVROWWFUXRST-FNORWQNLSA-N 0.000 description 1
- OXYKVVLTXXXVRT-UHFFFAOYSA-N (4-chlorobenzoyl) 4-chlorobenzenecarboperoxoate Chemical compound C1=CC(Cl)=CC=C1C(=O)OOC(=O)C1=CC=C(Cl)C=C1 OXYKVVLTXXXVRT-UHFFFAOYSA-N 0.000 description 1
- NALFRYPTRXKZPN-UHFFFAOYSA-N 1,1-bis(tert-butylperoxy)-3,3,5-trimethylcyclohexane Chemical compound CC1CC(C)(C)CC(OOC(C)(C)C)(OOC(C)(C)C)C1 NALFRYPTRXKZPN-UHFFFAOYSA-N 0.000 description 1
- JPUBVXXQKAGTEI-UHFFFAOYSA-N 1-phenylethyl benzenecarboperoxoate Chemical compound C=1C=CC=CC=1C(C)OOC(=O)C1=CC=CC=C1 JPUBVXXQKAGTEI-UHFFFAOYSA-N 0.000 description 1
- GOAHRBQLKIZLKG-UHFFFAOYSA-N 1-tert-butylperoxybutane Chemical compound CCCCOOC(C)(C)C GOAHRBQLKIZLKG-UHFFFAOYSA-N 0.000 description 1
- OPLCSTZDXXUYDU-UHFFFAOYSA-N 2,4-dimethyl-6-tert-butylphenol Chemical compound CC1=CC(C)=C(O)C(C(C)(C)C)=C1 OPLCSTZDXXUYDU-UHFFFAOYSA-N 0.000 description 1
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical compound CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 description 1
- JZODKRWQWUWGCD-UHFFFAOYSA-N 2,5-di-tert-butylbenzene-1,4-diol Chemical compound CC(C)(C)C1=CC(O)=C(C(C)(C)C)C=C1O JZODKRWQWUWGCD-UHFFFAOYSA-N 0.000 description 1
- FRAQIHUDFAFXHT-UHFFFAOYSA-N 2,6-dicyclopentyl-4-methylphenol Chemical compound OC=1C(C2CCCC2)=CC(C)=CC=1C1CCCC1 FRAQIHUDFAFXHT-UHFFFAOYSA-N 0.000 description 1
- WUHPLKWATBYDFS-UHFFFAOYSA-N 2,6-ditert-butyl-4-(3-methylbutyl)phenol Chemical compound CC(C)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 WUHPLKWATBYDFS-UHFFFAOYSA-N 0.000 description 1
- SCXYLTWTWUGEAA-UHFFFAOYSA-N 2,6-ditert-butyl-4-(methoxymethyl)phenol Chemical compound COCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SCXYLTWTWUGEAA-UHFFFAOYSA-N 0.000 description 1
- RQQWRNIJMXXFMI-UHFFFAOYSA-N 2-methyl-2-prop-2-enylperoxypropane Chemical compound CC(C)(C)OOCC=C RQQWRNIJMXXFMI-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- NOLLYPZAEJVJBX-UHFFFAOYSA-N 2-tert-butyl-4,6-dioctadecylphenol Chemical compound CCCCCCCCCCCCCCCCCCC1=CC(CCCCCCCCCCCCCCCCCC)=C(O)C(C(C)(C)C)=C1 NOLLYPZAEJVJBX-UHFFFAOYSA-N 0.000 description 1
- YFHKLSPMRRWLKI-UHFFFAOYSA-N 2-tert-butyl-4-(3-tert-butyl-4-hydroxy-5-methylphenyl)sulfanyl-6-methylphenol Chemical compound CC(C)(C)C1=C(O)C(C)=CC(SC=2C=C(C(O)=C(C)C=2)C(C)(C)C)=C1 YFHKLSPMRRWLKI-UHFFFAOYSA-N 0.000 description 1
- ACZGCWSMSTYWDQ-UHFFFAOYSA-N 3h-1-benzofuran-2-one Chemical class C1=CC=C2OC(=O)CC2=C1 ACZGCWSMSTYWDQ-UHFFFAOYSA-N 0.000 description 1
- CWTMUDGIRYDDHJ-UHFFFAOYSA-N 4-hexadecoxyphenol Chemical compound CCCCCCCCCCCCCCCCOC1=CC=C(O)C=C1 CWTMUDGIRYDDHJ-UHFFFAOYSA-N 0.000 description 1
- CYHYIIFODCKQNP-UHFFFAOYSA-N 5,7-ditert-butyl-3-(3,4-dimethylphenyl)-3h-1-benzofuran-2-one Chemical compound C1=C(C)C(C)=CC=C1C1C(C=C(C=C2C(C)(C)C)C(C)(C)C)=C2OC1=O CYHYIIFODCKQNP-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- GMTWRAMSPYKECN-UHFFFAOYSA-N [2-(3,5-ditert-butyloctadecyl)-4-hydroxyphenyl] propanoate Chemical compound C(C)(C)(C)C(CCC1=C(C=CC(=C1)O)OC(CC)=O)CC(CCCCCCCCCCCCC)C(C)(C)C GMTWRAMSPYKECN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000005399 allylmethacrylate group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- LYWWMXRIQXRTMV-UHFFFAOYSA-N benzoyl 4-chlorobenzenecarboperoxoate Chemical compound C1=CC(Cl)=CC=C1C(=O)OOC(=O)C1=CC=CC=C1 LYWWMXRIQXRTMV-UHFFFAOYSA-N 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- UPIWXMRIPODGLE-UHFFFAOYSA-N butyl benzenecarboperoxoate Chemical compound CCCCOOC(=O)C1=CC=CC=C1 UPIWXMRIPODGLE-UHFFFAOYSA-N 0.000 description 1
- ZKERZZMUXBDEOG-UHFFFAOYSA-N butyl ethaneperoxoate Chemical compound CCCCOOC(C)=O ZKERZZMUXBDEOG-UHFFFAOYSA-N 0.000 description 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 1
- MNQOTJZCKIJDGG-UHFFFAOYSA-N butylcyclobutane Chemical compound CCCCC1[CH]CC1 MNQOTJZCKIJDGG-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003413 degradative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 description 1
- 150000002019 disulfides Chemical class 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- OGQVROWWFUXRST-UHFFFAOYSA-N hepta-1,3-diene Chemical compound CCCC=CC=C OGQVROWWFUXRST-UHFFFAOYSA-N 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 229960001545 hydrotalcite Drugs 0.000 description 1
- 229910001701 hydrotalcite Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000001841 imino group Chemical group [H]N=* 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 description 1
- QTECDUFMBMSHKR-UHFFFAOYSA-N prop-2-enyl prop-2-enoate Chemical compound C=CCOC(=O)C=C QTECDUFMBMSHKR-UHFFFAOYSA-N 0.000 description 1
- 229920005653 propylene-ethylene copolymer Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 229940070710 valerate Drugs 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
- D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
- Y10T428/2931—Fibers or filaments nonconcentric [e.g., side-by-side or eccentric, etc.]
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2964—Artificial fiber or filament
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2964—Artificial fiber or filament
- Y10T428/2967—Synthetic resin or polymer
Definitions
- the invention relates to melt-processed polyolefin fibers and High tenacity and elongation polyolefin yarns, especially non-post-drawn ones Polyolefin fibers and polyolefin yarns, and textile fabrics made therefrom.
- Fibers, yarns and textile fabrics made of polypropylene are known (US 3,092,891; Films, fabrics and nonwovens made of polypropylene ", p.175-189, VDI-Verlag Düsseldorf 1979; Moore, P., Polypropylene Handbook "pp. 350-358, Carl Hanser Verlag Kunststoff 1996).
- the manufacturing process for fibers and yarns based on polypropylene differ in spinning speed and post-treatment of the spun threads.
- the filaments are moving at high speed (500 to 2000 m / min.) Withdrawn from the spinneret. Because with this procedure If the polypropylene macromolecules are not fully oriented, the produced filaments are stretched in a further operation. This mostly takes place in combination with other post-processing steps.
- Comparable conditions for influencing the basic fiber properties also apply to the spunbonded process.
- the filaments are drawn off through the cooling zone either by accelerated downpipe air or compressed air-operated nozzles [Fourne ' , F., Chemiefaser-Textilindustrie 95 (1993), 811-822].
- the undrawn filaments produced are deposited in a flat, disordered form on a sieve-shaped conveyor belt and further processed into spunbonded fabric in a post-processing step by applying thermal bonding (by means of calender strengthening) or needling processes.
- a special variant of the nonwoven production is the blown fiber (melt-blow) spinning technology, in which the thread formation takes place with the application of a highly heated devis stream around the capillary nozzle openings [Fourne ' , F. Chemical fibers / textile industry 81 (1979), 445-449].
- the air flow divides the molten polymer thread into many small individual fibers with a very small diameter and at the same time causes the individual threads to stretch.
- the further processing of the fibers or filaments deposited on the wire conveyor belt is carried out in accordance with the spunbond technology.
- High-strength filament yarns In the production of high-strength filament yarns [Fully Drawn Yarn (FDY)], the filaments are drawn off from the spinneret with the help of godets and processed in downstream devices consisting of a stretching device and a winder. High-strength filament yarns can be produced using both the short spinning process and the fast spinning process. In addition to stretching, the Bulked continuous filament "process a three-dimensional crimp by texturing devices [Bussmann, M., Chemiefaser / Textilindustrie 35 (1986) 87, 668-672].
- the properties of the fibers, yarns and textile fabrics are determined by the Manufacturing process and the polypropylene used determined.
- nucleating agents leads to a decrease in the strength of the Fibers (Richeson, G., ANTEC'96, 2305-2311).
- Formulations with fillers such as calcium carbonate [Nago, S., J. Appl. Polymer Sci. 62 (1996), 81-86] or poly (methylsesquioxane) [Nago, S., J. Appl. Polymer sci. 61 (1996), 2355-2359] after spinning and stretching microporous fibers.
- Fibers with increased heat resistance can be achieved by spinning polypropylene blends with polyethylene terephthalate [Qin, Y., J. Appl. Polymer sci. 61 (1966), 1287-1292] or with Prepare liquid crystalline polymers [Qin, Y., Polymer 34 (1993), 3597].
- Polypropylene fibers have the disadvantage of a relatively low tensile elongation.
- An addition of elastomers such as ethylene-propylene rubber or ethylene-propylene-diene rubber leads to an increase in stretch, but at the same time a sharp drop in the strength of the polypropylene fibers and polypropylene yarns.
- the object of the present invention was to develop Polyolefin fibers and polyolefin yarns of high strength and elongation, in particular of undrawn polyolefin fibers and polyolefin yarns, and therefrom manufactured textile fabrics.
- Propylene polymers A) are propylene polymers by radical coupling reactions or polymer-analogous reactions of functionalized polypropylenes were manufactured.
- the starting products for the modified propylene polymers A) are preferred Propylene homopolymers as well as copolymers of propylene and ⁇ -olefins 2 to 18 carbon atoms and mixtures of the polypropylenes mentioned.
- Especially preferred starting products for these modified propylene polymers are polypropylene - Homopolymers, statistical propylene - copolymers, propylene block copolymers and / or statistical propylene block copolymers.
- the modified propylene polymers produced by polymer-analogous reactions A) can be realized by implementing functionalized polypropylenes with multifunctional ones Make connections of opposite reactivity.
- the modified propylene polymers A) can also by hydrolytic Condensation of polypropylenes containing hydrolyzable silane groups, getting produced. Examples are those in DE 4107635 or US 47 14 716 described products.
- the polypropylenes used for the production of this preferred modified propylene polymer A) consist in particular of propylene homopolymers and / or copolymers of propylene and ⁇ -olefins having 2 to 18 carbon atoms and of mixtures of the polypropylenes mentioned.
- Polypropylene particles of polypropylenes with a bimodal molar mass distribution which were produced in a reactor cascade using Ziegler-Natta catalysts or metallocene catalysts, with a molar mass weight average M w of 500,000 to 1,500,000 g / mol and a molar mass number average M n of 25,000 to 100,000 are particularly preferred g / mol and M w / M n values from 5 to 60, preferably with weight average molecular weights M w from 600,000 to 1,000,000 g / mol, number average molecular weights M n from 30,000 to 100,000 g / mol and M w / M n - Values from 15 to 35.
- the heating and melting of the polypropylene particles takes place in which the acyl peroxides, alkyl peroxides, hydroperoxides and / or peresters as thermally disintegrating radical formers and the bifunctionally unsaturated monomers are sorbed under an atmosphere of volatile bifunctionally unsaturated Monomers preferably in continuously operating kneaders or extruders, preferably in twin-screw oars.
- the propylene polymers B) which are present as non-modified propylene polymers B) in the conventional propylene polymers 1) which may be present in the polyolefin fibers and polyolefin yarns and the textile fabrics made therefrom preferably consist of propylene homopolymers with an M w / M n ratio of 2 to 4.5 and / or copolymers Propylene and ⁇ -olefins with 2 to 18 carbon atoms and from mixtures of the polypropylenes mentioned.
- the as unmodified propylene polymers B) in the polyolefin fibers and polyolefin yarns and fabric made therefrom, optionally as Component 2) contained polyolefin mixture of crystalline copolymers and Elastic copolymers are, for example, those in EP 400333 or EP 472946 described polymer mixtures.
- the as unmodified propylene polymers B) in the polyolefin fibers and polyolefin fibers and fabric made therefrom, optionally as Component 3) contained amorphous polypropylenes are in particular stereoblock polypropylenes, which, for example, using highly active, metal oxide fixed Ziegler-Natta catalysts [Collette, J., Macromolecules 22 (1989), 3851-3858; DE 2830160] or soluble Ziegler-Natta catalysts [de Candia, F., Macromol. Chem. 189 (1988), 815-821], optionally under the following Reactive modification (EP 636863) and / or degradation (EP 640 850) will.
- the as unmodified propylene polymers B) in the polyolefin fibers and polyolefin yarns and fabric made therefrom, optionally as Component 4) contained non-isotactic propylene homopolymers are in particular elastomeric high molecular propylene homopolymers, for example those in Products described in EP 475 307 or EP 475 308.
- Unmodified propylene polymers B) are particularly preferred in the polyolefin fibers and polyolefin yarns and textile fabrics made therefrom Polyolefin blends that combine several of the unmodified polyolefin components 1) to 4) included.
- auxiliaries contained are preferably 0.01 to 2.5% by mass of stabilizers, 0.1 to 1 % Antistatic, 0.2 to 3% pigment, 0.05 to 1% nucleating agent and / or 0.01 to 1 mass% processing aid.
- These excipients can already be used in the components used in melt processing A) and / or B) can be contained or additionally added to these components.
- HALS sterically hindered amines
- Suitable phenolic antioxidants are 2-tert-butyl-4,6-dimethylphenol, 2,6-di-tert-butyl-4-methylphenol, 2,6-di-tert-butyl-4-isoamylphenol, 2,6, -di-tert-butyl-4-ethylphenol, 2-tert-butyl-4,6-diisopropylphenol, 2,6-dicyclopentyl-4-methylphenol, 2,6-di-tert-butyl-4-methoxymethylphenol, 2-tert-butyl-4,6-dioctadecylphenol, 2,5-di-tert-butylhydroquinone, 2,6-di-tert-butyl-4,4-hexadecyloxyphenol, 2,2'-methylene-bis (6-tert-butyl-4-methylphenol), 4,4'-thio-bis- (6-tert-butyl-2-methylphenol), 3 (3,5-d
- 5,7-di-tert-butyl-3- (3,4-dimethylphenyl) -3H-benzofuran-2-one is a benzofuranone derivative suitable.
- Calcium stearate, magnesium stearate and / or can be used as processing aids Waxes are used.
- Diphenyl-heated melt pumps for the melts heated to 240-310 ° C used.
- the Fibers drawn off according to the invention with the aid of high-speed godets and in Successor devices from stretching unit, crimper, fixing unit and cutting machine processed by stretching, crimping and cutting, being in Short spinning lines (slow spinning) with numbers of nozzle holes from 2000 to 70000 Hole / nozzle the thread take-off speeds to 60 to 250 m / min and in Long spinning systems (conventional high-speed spinning systems) with numbers of nozzle holes the thread take-up speeds from 800 to 3500 holes / nozzle 350 to 4000 m / min can be set.
- the crimping takes place in a stuffer box, at Long spinning lines over crimper, the crimp is two-dimensional.
- the fibers from the polypropylene mixtures are drawn off according to the invention with the aid of high-speed godets in successor devices from stretching device, hot air texturing chamber, relaxing device, tangle device and winder by stretching, hot air testing, crimping and tangling at thread take-off speeds of 1000 to 4000 m / min further processed, the tangling saves a separate twisting process.
- the threads from the polypropylene mixtures are drawn off according to the invention with the aid of high-speed godets in successor devices consisting of stretching device and winder, in short spinning systems the thread take-off speeds are set to 60 to 450 m / min and in long spinning systems the thread take-off speeds are set to 350 to 4000 m / min.
- the threads are made from Polypropylene mixtures according to the invention in successor devices Cables and winders processed further.
- Filament yarn from Pre-oriented yarn type ( Preoriented yarn "type) with capillary titers from 2 to 6 dtex and total titers up to 500 dtex are produced according to the invention by further processing the fibers from the polypropylene mixtures in downstream devices from a deflection system and winder and optionally interposed godets at thread take-off speeds of 1000 to 5000 m / min.
- Textile fabrics in the form of nonwovens are according to the invention Extraction of the fibers from the polypropylene mixtures in the blow duct using air by processing the threads into spunbonded nonwovens in successor devices Screen conveyor belt, calender or needling device and winder Flat, disorderly laying down of the fibers on the sieve-shaped conveyor belt and application of thermal bonding or needling processes to achieve the required strength and dimensional stability.
- Opposite staple fiber fleeces these spunbonded fabrics have a significantly cheaper lengthways / crossways Strength ratio.
- application forms a special variant of nonwoven production a highly heated air flow around the capillary nozzle openings during the extrusion of the Fibers from the polypropylene mixtures from the capillary tool in the Blow duct.
- the air flow stretches the melted thread out of the Polyolefin mixture with simultaneous division into many individual vials Fiber diameters from 0.5 to 12 ⁇ m.
- the further processing of the on the The screen conveyor belt of the deposited fibers is analogous to the spunbond production.
- meltblowing variant of nonwoven production from the Polyolefin blends is the temperature and shear rate profile of the Melt processing facility, which must be set so that the Melt a degradative reduction in viscosity to a melt index 150g / 10 min at 230 ° C / 2, 16 kp.
- Preferred extruders (1) for melting the polyolefin mixtures are Single screw extruder with high homogenization effect with screw lengths of 28 up to 36 D, preferably with flanged static or dynamic mixers, used.
- Preferred dimensions of the spinnerets (3) are spinnerets with inner diameters from 0.35 to 1.5 mm.
- the take-off device (5) can be done directly via the winder (6) or under Intermediate switching of high-speed godets.
- Preferred take-off speeds for capillary titers from 2.5 to 5 dtex are 2500 to 3500 m / min.
- a polyolefin mixture which consists of 99 % By mass of an unmodified polypropylene homopolymer (melt index 18.2 g / 10 min at 230 ° C / 2.16 kg), 1 mass% of a modified polypropylene (melt index 5.5 g / 10 min at 230 ° C / 2.16 kg, quotient of the intrinsic viscosity (in decalin at 135 ° C) of the modified polypropylene and the intrinsic viscosity of the unmodified Polypropylene with largely the same molar mass weight average 0.74), 0.25 mass% 2-tert-butyl-4,6-diisopropylphenol, 0.2 mass% bis - 2,2,6,6 - tetramethyl-4-piperidyl sebazate and 0.2% by mass of calcium stearate (auxiliaries in each case to the sum of the propylene polymers) at a melt temperature of 275 ° C in Extruder
- the melt becomes the with the spinning pump Spinnerets transferred and at a temperature of the spinnerets of 292 ° C the blow chute, which is cooled with compressed air at a temperature of 20 ° C, with a take-off speed of 3000 m / min through high-speed godets stripped and wound up.
- the resulting undrawn polypropylene yarn has a total titer of 252 dTex, a tensile strength of 19.5 cN / tex and an elongation of 202%.
- a polyolefin mixture which consists of 89 % By mass of an unmodified polypropylene homopolymer (melt index 18.2 g / 10 min at 230 ° C / 2.16 kg), 10 mass% of an unmodified heterophasic statistical propylene-ethylene block copolymer (ethylene content 33 mol%, melt index 8 g / 10 min at 230 ° C / 2.16 kg), 1 mass% of a modified polypropylene (Melting indices 5.5 g / 10 min at 230 ° C / 2, 16 kg, quotient from the intrinsic viscosity (in decalin at 135 ° C) of the modified polypropylene and the intrinsic viscosity of the unmodified polypropylene with largely the same molar mass weight average 0.74), 0.25 mass% 2-tert-butyl-4,6-diisopropylphenol, 0.25 mass% bis - 2,2,6,6 - te
- the melt is with the Spinning pump transferred to the spinnerets and at a temperature of the spinnerets of 275 ° C through the blow shaft, which with compressed air has a temperature of 20 ° C is cooled, with a take-off speed of 3000 m / min high-speed godets removed and wound up.
- the resulting undrawn polypropylene yarn has a total titer of 253 dTex, a tensile strength of 18.5 cN / tex and an elongation of 195%.
- a polypropylene compound that is made 100% by mass of an unmodified polypropylene homopolymer (melt index 18.2 g / 10 min at 230 ° C / 2.16 kg), 0.2% by mass of pentaerythritol tetrakis [3- (3,5-di-tert-butyl-4-hydroxyphenyl)] propionate, 0.2 mass% bis - 2,2,6,6 tetramethyl-4-piperidyl sebazate and 0.2% by mass of magnesium stearate (auxiliary substances in each case based on the Polypropylene homopolymer) at a melt temperature of 280 ° C in the extruder melted.
- the melt becomes the spinnerets with the spinning pump transferred and at a temperature of the spinnerets of 290 ° C by the Blow duct, which is cooled with compressed air at a temperature of 20 ° C, with a take-off speed of 3000 m / min due to high-speed godets stripped and wound up.
- the resulting undrawn polypropylene yarn has a total titer of 254 dtex, a tensile strength of 23.7 cN / tex and an elongation of 124%.
- a powdery polypropylene homopolymer (melt index of 0.2 g / 10 min at 230 ° C / 2.16 kp, average particle diameter 0.55 mm) is continuously metered into a continuous heatable continuous mixer.
- the polypropylene homopolymer loaded with thermally disintegrating radical generator and auxiliary is held for 6 min at 45 ° C.
- the resulting modified polypropylene has an IR spectroscopic determined bound butadiene content of 1.0% by weight and a Melt index of 0.85 g / 10 min at 230 ° C / 2.16 kp.
- a polypropylene mixture is made up of 99 mass% of a polypropylene homopolymer (melt index 18.2 g / 10 min at 230 ° C / 2.16 kg), 1 mass % of a modified polypropylene (melt index of 0.85 g / 10 min at 230 ° C / 2.16 kp, content of bound butadiene 1.0% by weight), 0.25% by mass of 2-tert-butyl-4,6 -diisopropylphenol, 0.2 mass% bis - 2,2,6,6 - tetramethyl-4-piperidyl sebazate and 0.2 mass% calcium stearate (auxiliaries based in each case on the sum of the propylene polymers) melted in the extruder at a melt temperature of 272 ° C.
- the melt is transferred to the spinnerets with the melt pump and, at a temperature of the spinnerets of 290 ° C., is drawn off through the blow shaft, which is cooled with compressed air at a temperature of 20 ° C., at a take-off speed of 3000 m / min by high-speed godets and wound up.
- the resulting filament yarn from Pre-oriented yarn type has a total titer of 252 dtex, a tensile strength of 19.5 cN / tex and a tensile elongation of 202%.
- a polypropylene compound that is 100% by mass of an unmodified polypropylene homopolymer (melt index 18.2 g / 10 min at 230 ° C./2.16 kg), 0.2 mass% of pentaerythritol tetrakis [3- (3,5-di-tert-butyl-4-hydroxy-phenyl)] propionate, 0.2 mass% bis - 2,2,6,6-tetramethyl-4-piperidyl sebazate and 0.2% by mass of magnesium stearate (auxiliaries in each case based on the Polypropylene homopolymer) at a melt temperature of 275 ° C in the plasticizing extruder melted.
- the melt becomes the melt with the melt pump Spinnerets transferred and at a temperature of the spinnerets of 290 ° C the blow chute, which is cooled with compressed air at a temperature of 20 ° C, with a take-off speed of 3000 m / min through high-speed godets stripped and wound up.
- the resulting filament yarn from Pre-oriented yarn type has a total titer of 254 dtex, a tensile strength of 23.7 cN / tex and a tensile elongation of 124%.
- a powdery random polypropylene copolymer (melt index of 0.85 g / 10 min at 230 ° C / 2.16 kp, average particle diameter 0.85 mm) is continuously metered into a continuous heatable continuous mixer. Furthermore, 0.05% by weight of hydrotalcite, 0.05% by weight of calcium stearate and 0.45% by weight of tert-butyl peroxybenzoate, in each case based on the polypropylene copolymer, are metered continuously into the continuous mixer. With homogeneous mixing at 70 ° C., the polypropylene homopolymer loaded with thermally disintegrating radical generator and auxiliary material is at a residence time of 4 min at 70 ° C.
- the resulting modified polypropylene copolymer has a content of bound divinylbenzene, determined by IR spectroscopy, of 0.32% by weight and a melt index of 1.35 g / 10 min at 230 ° C./2.16 kp.
- a polypropylene mixture is made up of 89% by mass of a polypropylene homopolymer (melt index 18.2 g / 10 min at 230 ° C / 2.16 kg), 10 mass% of a reactor blend (ethylene content 33 mol%, melt index 8 g / 10 min at 230 ° C / 2.16 kg), consisting of a crystalline propylene-ethylene copolymer and an elastic ethylene-propylene copolymer, 1 mass% of one modified polypropylene (content of bound divinylbenzene of 0.32 mass%, melt index of 1.35 g / 10 min at 230 ° C / 2.16 kp), 0.25 mass% of 2-tert-butyl-4,6-diisopropylphenol , 0.25% by mass
- the melt is transferred to the spinnerets with the melt pump and drawn off at a spinning nozzle temperature of 285 ° C through the blow shaft, which is cooled with compressed air at a temperature of 20 ° C, at a take-off speed of 3000 m / min by high-speed godets and placed in a jug.
- the discarded polypropylene thread is used for the discontinuous production of staple fibers in a laboratory post-processing line consisting of stretching unit, crimper and Cutting machine with 850% stretch and two-dimensional crimp subjected and cut into segments.
- a non-crimped sample (thread diameter 0.2 mm) has a tensile strength of 540 MPa and an elongation of 46%.
- the fiber segments are further processed on a laboratory calender by thermal bonding to form a nonwoven fabric that has a basis weight of 60 g / m 2 and a longitudinal / transverse strength ratio of 2.6: 1.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
- Nonwoven Fabrics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Woven Fabrics (AREA)
Abstract
Description
entweder aus Polypropylenmischungen bestehen,
die einerseits aus
und andererseits aus
oder nur aus nichtmodifizierten Propylenpolymeren B) bestehen, wobei die Komponenten 3) und/oder 4) in Anteilen von 5 bis 50 Masse% und die verbleibenden Komponenten im Gemisch von 95 bis 50 Masse% enthalten sind,
und wobei weiterhin in den Polyolefinfasern und Polyolefingarnen und daraus hergestellten textilen Flächengebilden 0,01 bis 5 Masse% Hilfsstoffe, bezogen auf die Polyolefine, enthalten sein können.
- modifizierte Polypropylene durch Umsetzung von Polypropylenen mit Bismaleimidoverbindungen in der Schmelze (EP 574 801 ; EP 574804),
- modifizierte Polypropylene durch Behandlung von Polypropylenen mit mehrfunktionell ethylenisch ungesättigten Monomeren unter Einwirkung ionisierender Strahlung (EP 678527),
- modifizierte Polypropylene durch Behandlung von Polypropylenen mit mehrfunktionell ethylenisch ungesättigten Monomeren in Gegenwart von Peroxiden in der Schmelze (EP 688817; EP 450342).
- modifizierte Polypropylene durch Umsetzung von Maleinsäureanhydridgepfropftem Polypropylen mit Diaminen oder Polyglycolen (EP 177401; JP 08 176 365),
- modifizierte Polypropylene durch Umsetzung von Säure- oder Säureanhydridgruppen enthaltenden Polypropylenen mit Epoxy-, Hydroxy- oder Aminogruppen enthaltenden Polymeren (EP 307684; EP 299486).
und bei dem vor dem Verfahrensschritt 1) und/oder 5) und /oder vor bzw. während des Verfahrensschrittes 3) und/oder 4) als weitere Hilfsstoffe 0,01 bis 2,5 Masse% Stabilisatoren, 0,1 bis 1 Masse% Antistatika, 0,2 bis 3 Masse% Pigmente, 0,05 bis 1 Masse% Nukleierungsmittel und/oder 0,01 bis 5 Masse% Verarbeitungshilfsmittel, bezogen auf das eingesetzte Polypropylen, zugesetzt worden sind.
- Acylperoxide wie Benzoylperoxid, 4-Chlorbenzoylperoxid, 3-Methoxybenzoylperoxid und/oder Methylbenzoylperoxid;
- Alkylperoxide wie Allyl-tert.butylperoxid, 2,2-Bis(tert.butylperoxybutan), 1,1-Bis-(tert.butylperoxi)-3,3,5-trimethylcyclohexan, n-Butyl-4,4-bis(tert.butylperoxi)valerat, Diisopropylaminomethyl-tert.amylperoxid, Dimethylaminomethyl-tert.amylperoxid, Diethylaminomethyl-tert.butylperoxid, Dimethylaminomethyl-tert.butylperoxid, 1.1-Di(tert.amylperoxi)cyclohexan, tert.Amylperoxid, tert.Butylcumylperoxid, tert.Butylperoxid, und/oder 1-Hydroxybutyl-n-butylperoxid;
- Perester und Peroxycarbonate wie Butylperacetat, Cumylperacetat, Cumylperpropionat, Cyclohexylperacetat, Di-tert.butylperadipat, Di-tert.butylperazelat, Di-tert.butylperglutarat, Di-tert.butylperphthalat, Di-tert.butylpersebazat, 4-Nitrocumylperpropionat, 1-Phenylethylperbenzoat, Phenylethylnitroperbenzoat, tert.Butylbicyclo-(2,2,1)heptanpercarboxylat, tert.Butyl-4-carbomethoxyperbutyrat, tert.Butylcyclobutanpercarboxylat, tert.Butylcyclohexylperoxycarboxylat, tert.Butylcyclopentylpercarboxylat, tert.Butylcyclopropanpercarboxylat, tert.Butyldimethylpercinnamat, tert.Butyl-2-(2,2-diphenylvinyl)perbenzoat, tert. Butyl-4-methoxyperbenzoat, tert.Butylperbenzoat, tert.Butylcarboxicyclohexan, tert.Butylpernaphthoat, tert.Butylperoxiisopropylcarbonat, tert.Butylpertoluat, tert. Butyl-1-phenylcyclopropylpercarboxylat, tert.Butyl-2-propylperpenten-2-oat, tert.Butyl-1-methylcypropylpercarboxylat, tert.Butyl-4-nitrophenylperacetat, tert.Butylnitrophenylperoxycarbamat, tert.Butyl-N-succinimidopercarborylat, tert.Butylpercrotonat, tert.Butylpermaleinsäure, tert.Butylpermethacrylat, tert.Butylperoctoat, tert.Butylperoxyisopropylcarbonat, tert.Butylperisobutyrat, tert.Butylperacrylat und/oder tert.Butylperpropionat;
- Divinylverbindungen wie Divinylanilin, m-Divinylbenzen, p-Divinylbenzen, Divinylpentan und/oder Divinylpropan;
- Allylverbindungen wie Allylacrylat, Allylmethacrylat, Allylmethylmaleat und/oder Allylvinylether;
- Diene wie Butadien, Chloropren, Cyclohexadien, Cyclopentadien, 2,3-Dimethylbutadien, Heptadien, Hexadien, Isopren, und/oder 1,4-Pentadien ;
- Aufschmelzen bei Massetemperaturen von 185 bis 310°C,
- Überführung der Schmelze mittels Schmelzepumpe zu den Spinndüsen,
- Extrusion in den Blasschacht,
- Abzug als Fäden und Weiterverarbeitung in Nachfolgeeinrichtungen hergestellt, wobei erfindungsgemäß
- A) 0,05 bis 10 Masse%, vorzugsweise 0,2 bis 3 Masse%, modifizierten Propylenpolymeren
mit Schmelzindices von 0,1 bis 50 g/10 min bei 230°C/2,16 kg, bevorzugt 1
bis 40 g/10 min bei 230°C/2,16 kg, und einem Quotienten aus der Grenzviscosität
des modifizierten Polypropylens und der Grenzviscosität des nichtmodifizierten Polypropylens
mit weitgehend gleichem Molmassen-Gewichtsmittel von 0,20 bis 0,95,
die
- a) durch Behandlung von Propylen-Homopolymeren und/oder Copolymeren aus Propylen und Ethylen bzw. α-Olefinen mit 4 bis 18 C-Atomen sowie von Mischungen der genannten Polypropylene mit mehrfunktionell ethylenisch ungesättigten Monomeren in Gegenwart ionisierender Strahlung bzw. thermisch zerfallenden Radikalbildnern, oder
- b) durch Umsetzung von funktionalisierten Polypropylenen, bevorzugt von Säure- und/oder Säureanhydridgruppen enthaltenden Polypropylenen, mit mehrfunktionellen Verbindungen entgegengesetzter Reaktivität, bevorzugt mit C2- bis C16 - Diaminen und/ oder C2- bis C16 - Diolen, oder
- c) durch hydrolytische Kondensation von Polypropylenen, die hydrolysierbare Silangruppen enthalten,
und andererseits aus
oder Polypropylenmischungen eingesetzt werden, die nur aus nichtmodifizierten Propylenpolymeren B) bestehen, wobei die Komponenten 3) und/oder 4) in Anteilen von 5 bis 50 Masse% und die verbleibenden Komponenten in den Polypropylenmischungen zur Herstellung der Polyolefinfasern und Polyolefingarne und daraus hergestellten textilen Flächengebilde in Anteilen von 95 bis 50 Masse% enthalten sind,
und wobei weiterhin den Polypropylenmischungen zur Herstellung der Polyolefinfasern und Polyolefingarne und daraus hergestellten testen Flächengebilden 0,01 bis 5 Masse% Hilfsstoffe, bezogen auf die Polyolefine, zugesetzt werden können.
- mehrschichtige Textilien, bevorzugt in Kombination mit Naturfasern, mit hohem Tragekomfort und Wärmerückhaltevermögen, insbesondere für Trikotagen, Sport- und Freizeitbekleidung,
- Strickwaren mit hohem Wärmerückhaltevermögen,
- hochfeste technische Gewebe hoher Scheuerfestigkeit und Dimensionsstabilität im Naßzustand, bevorzugt in Form von Tauwerken, Gurten und Filtergeweben,
- Heimtextilien wie Teppichböden hoher Pflegeleichtigkeit und geringer elektrostatischer Aufladbarkeit sowie Möbelbezugsstoffe, insbesondere für Gartenmöbel,
- Viesstoffe im Medizin- und Hygienebereich wie OP-Kittel und Windelhüllen,
- Geotestilvliese für Straßen- und Eisenbahnbau und zur Baustellenbefestigung,
- Vliesbänder zur Beseitigung von Ölhavarien,
- elastische Hygieneartikel.
In einen kontinuierlichen beheizbaren Durchlaufmischer wird ein pulverförmiges Polypropylen-Homopolymer (Schmelzindex von 0,2 g/10 min bei 230°C/2,16 kp, mittlerer Partikeldurchmesser 0,55 mm) kontinuierlich dosiert. Weiterhin werden in den Durchlaufmischer 0,1 Gew.% Calciumstearat und 0,09 Gew.% Bis(tert.butylperoxy)-2,5-dimethylhexan, jeweils bezogen auf das Polypropylen-Homopolymer, kontinuierlich dosiert. Unter homogener Durchmischung bei 45°C wird das mit thermisch zerfallendem Radikalbildner und Hilfsstoff beladene Polypropylen-Homopolymer bei einer Verweilzeit von 6 min bei 45°C durch ein Butadien-Stickstoff-Gemisch mit 1,1 Gew.% Butadien, bezogen auf das Polypropylen-Homopolymer, sorptiv beladen. Nach Überführung in einen Doppelschneckenestruder wird das pulverförmige Reaktionsgemisch in Kontakt mit dem eindosierten Butadien-Stickstoff-Gemisch unter Zusatz von 0,1 Masse% Irganox 1010 und 0,1 Masse% Irgaphos 168 bei einer Massetemperatur von 235°C aufgeschmolzen, nach einer Grobentgasung unter Eindosierung von Wasser als Schleppmittel einer Feinentgasung unterzogen, ausgetragen und granuliert.
In einer Laborspinnanlage aus Plastifizierextruder, Schmelzepumpe, Kapillarwerkzeug, Blasschacht, Abzugseinrichtung und Wickler wird eine Polypropylenmischung, die aus 99 Masse% eines Polypropylen-Homopolymers (Schmelzindex 18,2 g/10 min bei 230°C/2,16 kg), 1 Masse% eines modifizierten Polypropylens (Schmelzindex von 0,85 g/10 min bei 230°C/2,16 kp, Gehalt an gebundenem Butadien 1,0 Gew.%), 0,25 Masse% 2-tert.Butyl-4,6-diisopropylphenol, 0,2 Masse% Bis - 2,2,6,6 - tetramethyl-4-piperidylsebazat und 0,2 Masse% Calciumstearat (Hilfssstoffe jeweils bezogen auf die Summe der Propylenpolymeren) bei einer Massetemperatur von 272°C im Extruder aufgeschmolzen. Die Schmelze wird mit der Schmelzepumpe zu den Spinndüsen überführt und bei einer Temperatur der Spinndüsen von 290°C durch den Blasschacht, der mit komprimierter Luft einer Temperatur von 20°C gekühlt wird, mit einer Abzugsgeschwindigkeit von 3000 m/min durch schnellaufende Galetten abgezogen und aufgewickelt.
Das resultierende Filament-Garn vom
In einen kontinuierlichen beheizbaren Durchlaufmischer ein pulverförmiges statistisches Polypropylen-Copolymer (Schmelzindex von 0,85 g/10 min bei 230°C/2,16 kp, mittlerer Partikeldurchmesser 0,85 mm) kontinuierlich dosiert. Weiterhin werden in den Druchlaufmischer 0,05 Gew.% Hydrotalcit, 0,05 Gew.% Calciumstearat und 0,45 Gew.% tert.Butylperoxybenzoat, jeweils bezogen auf das PolypropylenCopolymer, kontinuierlich dosiert. Unter homogener Durchmischung bei 70°C wird das mit thermisch zerfallendem Radikalbildner und Hilfsstoff beladene Polypropylen-Homopolymer bei einer Verweilzeit von 4 min bei 70°C durch das einströmende Divinylbenzen-Stickstoff-Gemisch mit 0,35 Gew.% Divinylbenzen, bezogen auf das Polypropylen-Homopolymer, sorptiv beladen. Nach Überführung in den Doppelschneckenestruder wird das pulverförmige Reaktionsgemisch in Kontakt mit dem eindosierten Divinylbenzen-Stickstoff-Gemisch unter Zusatz von 0,1 Masse% Irganox 1010 und 0,1 Masse% Irgaphos 168 bei einer Massetemperatur von 225°C aufgeschmolzen, nach einer Grobentgasung unter Eindosierung von Wasser als Schleppmittel einer Feinentgasung unterzogen, ausgetragen und granuliert.
Das resultierende modifizierte Polypropylen-Copolymer besitzt einen IR-spektroskopisch ermittelten Gehalt an gebundenem Divinylbenzen von 0,32 Gew.% und einen Schmelzindex von 1,35 g/10 min bei 230°C/2,16 kp.
In einer Hochgeschwindigkeits-Laborspinnanlage aus Plastifizierextruder, Schmelzepumpe, Kapillarwerkzeug, Blasschacht, Abzugseinrichtung und Ablagekanne wird eine Polypropylenmischung, die aus 89 Masse% eines Polypropylen-Homopolymers (Schmelzindex 18,2 g/10 min bei 230°C/2,16 kg), 10 Masse% eines Reaktorblends (Ethylengehalt 33 Mol%, Schmelzindex 8 g/10 min bei 230°C/2,16 kg), bestehend aus einem kristallinen Propylen-Ethylen-Copolymeren und einem elastischen Ethylen-Propylen-Copolymeren, 1 Masse% eines modifizierten Polypropylens (Gehalt an gebundenem Divinylbenzen von 0,32 Masse %, Schmelzindex von 1,35 g/10 min bei 230°C/2,16 kp), 0,25 Masse% 2-tert.Butyl-4,6-diisopropylphenol, 0,25 Masse% Bis-2,2,6,6 - tetramethyl-4-piperidylsebazat und 0,1 Masse% Magnesiumstearat (Hilfssstoffe jeweils bezogen auf die Summe der Propylenpolymeren) bei einer Massetemperatur von 280°C im Extruder aufgeschmolzen. Die Schmelze wird mit der Schmelzepumpe zu den Spinndüsen überführt und bei einer Temperatur der Spinndüsen von 285°C durch den Blasschacht, der mit komprimierter Luft einer Temperatur von 20°C gekühlt wird, mit einer Abzugsgeschwindigkeit von 3000 m/min durch schnellaufende Galetten abgezogen und in einer Kanne abgelegt.
Claims (5)
- Durch Schmelzeverarbeitung hergestellte Polyolefinfasern und Polyolefingarne hoher Festigkeit und Dehnung, insbesondere nichtnachverstreckte Polyolefinfasern und Polyolefingarne mit Kapillartitern von 1 bis 10 dtex und Zugdehnungen über 130% bei Zugfestigkeiten von mindestens 15 cN/tex, und daraus hergestellte textile Flächengebilde, dadurch gekennzeichnet, daß die Polyolefinfasern und Polyolefingarne und daraus hergestellte textile Flächengebilde
entweder aus Polypropylenmischungen bestehen,
die einerseits ausA) 0,05 bis 10 Masse%, vorzugsweise 0,2 bis 3 Masse%, modifizierten Propylenpolymeren mit Schmelzindices von 0,1 bis 50 g/10 min bei 230°C/2,16 kg, bevorzugt 1 bis 40 g/10 min bei 230°C/2,16 kg, und einem Quotienten aus der Grenzviscosität des modifizierten Polypropylens und der Grenzviscosität des nichtmodifizierten Polypropylens mit weitgehend gleichem Molmassen-Gewichtsmittel von 0,20 bis 0,95, diea) durch Behandlung von Propylen-Homopolymeren und/oder Copolymeren aus Propylen und Ethylen bzw. α-Olefinen mit 4 bis 18 C-Atomen sowie von Mischungen der genannten Polypropylene mit mehrfunktionell ethylenisch ungesättigten Monomeren in Gegenwart ionisierender Strahlung bzw. thermisch zerfallenden Radikalbildnern, oderb) durch Umsetzung von funktionalisierten Polypropylenen, bevorzugt von Säure- und/oder Säureanhydridgruppen enthaltenden Polypropylenen, mit mehrfunktionellen Verbindungen entgegengesetzter Reaktivität, bevorzugt mit C2- bis C16 - Diaminen und/ oder C2-bis C16 - Diolen, oder - Durch Schmelzeverarbeitung hergestellte Polyolefinfasern und Polyolefingarne und daraus hergestellte textile Flächengebilde nach Anspruch 1, dadurch gekennzeichnet, daß die durch Behandlung von Propylen-Homopolymeren und/oder Copolymeren aus Propylen und Ethylen bzw. α-Olefinen mit 4 bis 18 C-Atomen sowie von Mischungen der genannten Polypropylene mit mehrfunktionell ethylenisch ungesättigten Monomeren in Gegenwart von thermisch zerfallenden Radikabildnern hergestellten modifizierten Propylenpolymere A) aus modifizierten Propylenpolymeren bestehen, die nach einem kontinuierlichen Verfahren hergestellt worden sind, bei dem1) Polypropylenpartikel in Form von Pulvern, Granulaten oder Grießen mit einer bevorzugten Korngröße im Bereich von 0,001 bis 7 mm, die aus1.1) Propylen-Homopolymeren, insbesondere aus Propylen-Homopolymeren mit bimodaler Molmassenverteilung, Molmassen-Gewichtsmitteln Mw von 500000 bis 1500000 g/mol, Molmassen-Zahlenmitteln Mn von 25000 bis 100000 g/mol und Mw / Mn -Werten von 5 bis 60, die in einer Reaktorkaskade unter Einsatz von Ziegler-Natta-Katalysatoren oder Metallocenkatalysatoren hergestellt wurden, und/oder aus1.2) Copolymeren aus Propylen und α-Olefinen mit 2 bis 18 C-Atomen, bevorzugt aus statistischen Propylen-Copolymeren, Propylen-Blockcopolymeren, statistischen Propylen-Blockcopolymeren und/oder elastomeren Polypropylenen, oder aus Mischungen der genannten modifizierten Polypropylene, bestehen,2) leichtflüchtige bifunktionelle Monomere, insbesondere C4- bis C10- Diene und/oder C7- bis C10- Divinylverbindungen, durch die Polypropylenpartikel aus der Gasphase, bevorzugt in kontinuierlichen Durchflußmischern als kontinuierliche Gas-Feststoff-Absorber, bei einer Temperatur T von 20°C bis 120°C, vorzugsweise von 60 bis 100°C, und einer mittleren Sorptionszeit von τs von 10s bis 1000 s, bevorzugt 60 s bis 600 s, sorbiert worden sind, wobei in den Polypropylenpartikeln der Anteil der bifunktionell ungesättigten Monomeren 0,01 bis 10 Masse%, bevorzugt 0,05 bis 2 Masse%, bezogen auf die eingesetzten Polypropylene, beträgt, nachfolgend3) die Polypropylenpartikel, in denen die Acylperoxide, Alkylperoxide, Hydroperoxide, Peroxycarbonate und/oder Perester als thermisch zerfallende Radikalbildner und die bifunktionell ungesättigten Monomere sorbiert worden sind, unter einer Atmosphäre aus Inertgas und diesen leichtflüchtigen bifunktionellen Monomeren bei 110°C bis 210°C in kontinuierlich arbeitenden Knetern oder Extrudern, vorzugsweise in Doppelschneckenestrudern, aufgeschmolzen worden sind und die thermisch zerfallenden Radikalbildner dabei zersetzt worden sind,4) die Schmelze danach auf 220°C bis 300°C erwärmt worden ist, wobei nichtumgesetzte Monomere und Zerfallsprodukte entfernt worden sind, und5) die Schmelze in an sich bekannter Weise granuliert worden ist,
- Durch Schmelzeverarbeitung hergestellte Polyolefinfasern und Polyolefingarne und daraus hergestellte textile Flächengebilde nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die nichtmodifizierten Propylenpolymere 1) aus Propylen-Homopolymeren mit einem Mw/Mn-Verhältnis von 2 bis 4,5 und/oder Copolymeren aus Propylen und α-Olefinen mit 2 bis 18 C-Atomen sowie aus Mischungen der genannten Polypropylene bestehen.
- Durch Schmelzeverarbeitung hergestellte Polyolefinfasern und Polyolefingarne und daraus hergestellte textile Flächengebilde nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die enthaltenen Hilfsstoffe 0,01 bis 1 Masse% Nukleierungsmittel, 0,01 bis 2,5 Masse% Stabilisatoren, 0,1 bis 1 Masse% Antistatika, 0,2 bis 3 Masse% Pigmente, 1 bis 4,5 Masse% Flammschutzmittel und/oder 0,01 bis 1 Masse% Verarbeitungshilfsmittel, jeweils bezogen auf die Summe der Polyolefine, sind.
- Verfahren zur Herstellung von Polyolefinfasern und Polyolefingarnen hoher Festigkeit und Dehnung, insbesondere von nichtnachverstreckten Polyolefinfasern und Polyolefingarnen mit Kapillartitern von 1 bis 10 dtex und Zugdehnungen über 130% bei Zugfestigkeiten von mindestens 15 cN/tex, und daraus hergestellten textilen Flächengebilden durch Verarbeitung von Polypropylenmischungen in bekannten Schmelzspinnanlagen aus Plastifizieresxtruder, Spinnpumpe, Schmelzeverteiler, Spinndüsen, Blasschacht und Nachfolgeeinrichtungen mit den VerfahrensschrittenAufschmelzen bei Massetemperaturen von 185 bis 310°C,Überführung der Schmelze mittels Schmelzepumpe zu den Spinndüsen,Extrusion in den Blasschacht,Abzug als Fäden und Weiterverarbeitung in Nachfolgeeinrichtungen
entweder Polypropylenmischungen eingesetzt werden, die einerseits ausA) 0,05 bis 10 Masse%, vorzugsweise 0,2 bis 3 Masse%, modifizierten Propylenpolymeren mit Schmelzindices von 0,1 bis 50 g/10 min bei 230°C/2,16 kg, bevorzugt 1 bis 40 g/10 min bei 230°C/2,16 kg, und einem Quotienten aus der Grenzviscosität des modifizierten Polypropylens und der Grenzviscosität des nichtmodifizierten Polypropylens mit weitgehend gleichem Molmassen-Gewichtsmittel von 0,20 bis 0,95, diea) durch Behandlung von Propylen-Homopolymeren und/oder Copolymeren aus Propylen und Ethylen bzw. α-Olefinen mit 4 bis 18 C-Atomen sowie von Mischungen der genannten Polypropylene mit mehrfunktionell ethylenisch ungesättigten Monomeren in Gegenwart ionisierender Strahlung bzw. thermisch zerfallenden Radikalbildnern, oderb) durch Umsetzung von funktionalisierten Polypropylenen, bevorzugt von Säure- und/oder Säureanhydridgruppen enthaltenden Polypropylenen, mit mehrfunktionellen Verbindungen entgegengesetzter Reaktivität, bevorzugt mit C2- bis C16 - Diaminen und/ oder C2-bis C16 - Diolen, oderc) durch hydrolytische Kondensation von Polypropylenen, die hydrolysierbare Silangruppen enthalten,
und andererseits ausB) 99,95 bis 90 Masse%, vorzugsweise 99,8 bis 97 Masse%, nichtmodifizierten Propylenpolymeren, wobei die nichtmodifizierten Propylenpolymere aus1) üblichen Propylenpolymeren, bevorzugt unter Anwendung von Ziegler-Natta-Katalysatoren oder Metallocenkatalysatoren hergestellten Propylenhomopolymeren und/oder Copolymeren aus Propylen, Ethylen und/oder α-Olefinen mit 4 bis 18 C-Atomen mit einem Propylengehalt von 80,0 bis 99,9 Masse% in Form von
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DE1997120135 DE19720135B4 (de) | 1997-05-14 | 1997-05-14 | Nichtnachverstreckte Polyolefinfasern und Polyolefingarne hoher Festigkeit und Dehnung und daraus hergestellte textile Flächengebilde |
DE1997122579 DE19722579B4 (de) | 1997-05-30 | 1997-05-30 | Fasern und Garne hoher Festigkeit und Dehnung, Verfahren zu deren Herstellung und Verwendung |
DE19722579 | 1997-05-30 |
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EP1213376A1 (de) * | 2000-12-07 | 2002-06-12 | Borealis GmbH | Nicht nachverstreckte Polyolefinfasern mit hoher Festigkeit |
EP1213375A1 (de) * | 2000-12-07 | 2002-06-12 | Borealis GmbH | Nicht nachverstreckte Polyolefinfasern mit hoher Festigkeit |
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Also Published As
Publication number | Publication date |
---|---|
US20020002241A1 (en) | 2002-01-03 |
US6537473B2 (en) | 2003-03-25 |
DE59812014D1 (de) | 2004-11-04 |
EP0878567A3 (de) | 2001-01-17 |
CZ298667B6 (cs) | 2007-12-12 |
EP0878567B1 (de) | 2004-09-29 |
US6218011B1 (en) | 2001-04-17 |
CZ143798A3 (cs) | 1999-05-12 |
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