EP3682052A1 - Polymer fiber having improved long-term dispersibility - Google Patents
Polymer fiber having improved long-term dispersibilityInfo
- Publication number
- EP3682052A1 EP3682052A1 EP18779222.1A EP18779222A EP3682052A1 EP 3682052 A1 EP3682052 A1 EP 3682052A1 EP 18779222 A EP18779222 A EP 18779222A EP 3682052 A1 EP3682052 A1 EP 3682052A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- copolymer
- cellulose
- polymer fiber
- mol
- polymer
- 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.)
- Pending
Links
- 229920005594 polymer fiber Polymers 0.000 title claims abstract description 68
- 230000007774 longterm Effects 0.000 title description 6
- 239000000835 fiber Substances 0.000 claims abstract description 107
- 238000002360 preparation method Methods 0.000 claims abstract description 38
- 229920000609 methyl cellulose Polymers 0.000 claims abstract description 31
- 235000010981 methylcellulose Nutrition 0.000 claims abstract description 31
- 239000001923 methylcellulose Substances 0.000 claims abstract description 28
- 229920003086 cellulose ether Polymers 0.000 claims abstract description 25
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims abstract description 22
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims abstract description 22
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims abstract description 22
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 21
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims abstract description 20
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims abstract description 20
- 239000004753 textile Substances 0.000 claims abstract description 20
- 239000001856 Ethyl cellulose Substances 0.000 claims abstract description 18
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229920001249 ethyl cellulose Polymers 0.000 claims abstract description 18
- 235000019325 ethyl cellulose Nutrition 0.000 claims abstract description 18
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims abstract description 16
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims abstract description 16
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 claims abstract description 16
- 235000010944 ethyl methyl cellulose Nutrition 0.000 claims abstract description 16
- 239000004744 fabric Substances 0.000 claims abstract description 16
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims abstract description 16
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims abstract description 16
- 229920003087 methylethyl cellulose Polymers 0.000 claims abstract description 16
- 229920001059 synthetic polymer Polymers 0.000 claims abstract description 15
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims abstract description 10
- 229920000896 Ethulose Polymers 0.000 claims abstract description 8
- 239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 claims abstract description 8
- 229920003090 carboxymethyl hydroxyethyl cellulose Polymers 0.000 claims abstract description 8
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000007900 aqueous suspension Substances 0.000 claims abstract 2
- 229920001577 copolymer Polymers 0.000 claims description 43
- -1 ethylene-chlorotrifluoroethylene Chemical group 0.000 claims description 34
- 229920001169 thermoplastic Polymers 0.000 claims description 30
- 229920000642 polymer Polymers 0.000 claims description 27
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 18
- 239000004952 Polyamide Substances 0.000 claims description 14
- 229920002647 polyamide Polymers 0.000 claims description 14
- 239000004626 polylactic acid Substances 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 11
- 229920000728 polyester Polymers 0.000 claims description 10
- 239000004416 thermosoftening plastic Substances 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 8
- 229920001222 biopolymer Polymers 0.000 claims description 7
- 229920002678 cellulose Polymers 0.000 claims description 7
- 239000001913 cellulose Substances 0.000 claims description 7
- JVTAAEKCZFNVCJ-REOHCLBHSA-N L-lactic acid Chemical compound C[C@H](O)C(O)=O JVTAAEKCZFNVCJ-REOHCLBHSA-N 0.000 claims description 6
- 239000004793 Polystyrene Substances 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 6
- 229920002223 polystyrene Polymers 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 229920002292 Nylon 6 Polymers 0.000 claims description 4
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229920001643 poly(ether ketone) Polymers 0.000 claims description 4
- 229920006260 polyaryletherketone Polymers 0.000 claims description 4
- 229920002530 polyetherether ketone Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 3
- 238000006467 substitution reaction Methods 0.000 claims description 3
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 claims description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 claims description 2
- DQEFEBPAPFSJLV-UHFFFAOYSA-N Cellulose propionate Chemical compound CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 DQEFEBPAPFSJLV-UHFFFAOYSA-N 0.000 claims description 2
- 229920002284 Cellulose triacetate Polymers 0.000 claims description 2
- 229920001780 ECTFE Polymers 0.000 claims description 2
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 2
- 239000000020 Nitrocellulose Substances 0.000 claims description 2
- 229920000299 Nylon 12 Polymers 0.000 claims description 2
- 229920003189 Nylon 4,6 Polymers 0.000 claims description 2
- 229920000305 Nylon 6,10 Polymers 0.000 claims description 2
- 229920000572 Nylon 6/12 Polymers 0.000 claims description 2
- 239000002033 PVDF binder Substances 0.000 claims description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 229930182556 Polyacetal Natural products 0.000 claims description 2
- 239000004962 Polyamide-imide Substances 0.000 claims description 2
- 239000004693 Polybenzimidazole Substances 0.000 claims description 2
- 239000004697 Polyetherimide Substances 0.000 claims description 2
- 239000004642 Polyimide Substances 0.000 claims description 2
- 229920002367 Polyisobutene Polymers 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims description 2
- 229920006121 Polyxylylene adipamide Polymers 0.000 claims description 2
- 229920000147 Styrene maleic anhydride Polymers 0.000 claims description 2
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 claims description 2
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 claims description 2
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 claims description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 2
- QYMGIIIPAFAFRX-UHFFFAOYSA-N butyl prop-2-enoate;ethene Chemical compound C=C.CCCCOC(=O)C=C QYMGIIIPAFAFRX-UHFFFAOYSA-N 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- 229920002301 cellulose acetate Polymers 0.000 claims description 2
- 229920006218 cellulose propionate Polymers 0.000 claims description 2
- KRGNPJFAKZHQPS-UHFFFAOYSA-N chloroethene;ethene Chemical group C=C.ClC=C KRGNPJFAKZHQPS-UHFFFAOYSA-N 0.000 claims description 2
- 150000001993 dienes Chemical class 0.000 claims description 2
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 2
- 229920001038 ethylene copolymer Polymers 0.000 claims description 2
- 229920005648 ethylene methacrylic acid copolymer Polymers 0.000 claims description 2
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims description 2
- 229920006245 ethylene-butyl acrylate Polymers 0.000 claims description 2
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 claims description 2
- 239000008103 glucose Substances 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 229920001220 nitrocellulos Polymers 0.000 claims description 2
- 229920000110 poly(aryl ether sulfone) Polymers 0.000 claims description 2
- 229920000090 poly(aryl ether) Polymers 0.000 claims description 2
- 229920001485 poly(butyl acrylate) polymer Polymers 0.000 claims description 2
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 claims description 2
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 claims description 2
- 229920002492 poly(sulfone) Polymers 0.000 claims description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 2
- 229920002432 poly(vinyl methyl ether) polymer Polymers 0.000 claims description 2
- 229920002312 polyamide-imide Polymers 0.000 claims description 2
- 229920001230 polyarylate Polymers 0.000 claims description 2
- 229920002480 polybenzimidazole Polymers 0.000 claims description 2
- 229920001748 polybutylene Polymers 0.000 claims description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 claims description 2
- 229920001601 polyetherimide Polymers 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 229920000582 polyisocyanurate Polymers 0.000 claims description 2
- 239000011495 polyisocyanurate Substances 0.000 claims description 2
- 229920000193 polymethacrylate Polymers 0.000 claims description 2
- 229920006324 polyoxymethylene Polymers 0.000 claims description 2
- 229920006380 polyphenylene oxide Polymers 0.000 claims description 2
- 229920012287 polyphenylene sulfone Polymers 0.000 claims description 2
- 229920001451 polypropylene glycol Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 2
- 239000011118 polyvinyl acetate Substances 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 2
- 239000005033 polyvinylidene chloride Substances 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims description 2
- 229920007962 Styrene Methyl Methacrylate Polymers 0.000 claims 1
- ADFPJHOAARPYLP-UHFFFAOYSA-N methyl 2-methylprop-2-enoate;styrene Chemical compound COC(=O)C(C)=C.C=CC1=CC=CC=C1 ADFPJHOAARPYLP-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000004745 nonwoven fabric Substances 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical group CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 17
- 238000002788 crimping Methods 0.000 description 12
- 235000014655 lactic acid Nutrition 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000009987 spinning Methods 0.000 description 8
- 239000004310 lactic acid Substances 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 238000005227 gel permeation chromatography Methods 0.000 description 4
- 230000009477 glass transition Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 238000002074 melt spinning Methods 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- JXTHNDFMNIQAHM-UHFFFAOYSA-N dichloroacetic acid Chemical compound OC(=O)C(Cl)Cl JXTHNDFMNIQAHM-UHFFFAOYSA-N 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BYEAHWXPCBROCE-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropan-2-ol Chemical compound FC(F)(F)C(O)C(F)(F)F BYEAHWXPCBROCE-UHFFFAOYSA-N 0.000 description 1
- 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 class 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 1
- SJZRECIVHVDYJC-UHFFFAOYSA-N 4-hydroxybutyric acid Chemical group OCCCC(O)=O SJZRECIVHVDYJC-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000004953 Aliphatic polyamide Substances 0.000 description 1
- 241000239290 Araneae Species 0.000 description 1
- 229920013666 Celanese acetate Polymers 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229920003091 Methocel™ Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 235000019888 Vivapur Nutrition 0.000 description 1
- SMEGJBVQLJJKKX-HOTMZDKISA-N [(2R,3S,4S,5R,6R)-5-acetyloxy-3,4,6-trihydroxyoxan-2-yl]methyl acetate Chemical compound CC(=O)OC[C@@H]1[C@H]([C@@H]([C@H]([C@@H](O1)O)OC(=O)C)O)O SMEGJBVQLJJKKX-HOTMZDKISA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229920003231 aliphatic polyamide Polymers 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000000035 biogenic effect Effects 0.000 description 1
- BZDKYAZTCWRUDZ-UHFFFAOYSA-N buta-1,3-diene;methyl 2-methylprop-2-enoate;prop-2-enenitrile;styrene Chemical compound C=CC=C.C=CC#N.COC(=O)C(C)=C.C=CC1=CC=CC=C1 BZDKYAZTCWRUDZ-UHFFFAOYSA-N 0.000 description 1
- 238000007707 calorimetry Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 229960005215 dichloroacetic acid Drugs 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000001523 electrospinning Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 125000000468 ketone group Chemical group 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229920012128 methyl methacrylate acrylonitrile butadiene styrene Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000011846 petroleum-based material Substances 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical class OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001432 poly(L-lactide) Polymers 0.000 description 1
- 229920006209 poly(L-lactide-co-D,L-lactide) Polymers 0.000 description 1
- 229920000117 poly(dioxanone) Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 229920006012 semi-aromatic polyamide Polymers 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/05—Cellulose or derivatives thereof
- D06M15/09—Cellulose ethers
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/05—Cellulose or derivatives thereof
- D06M15/07—Cellulose esters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/02—Synthetic cellulose fibres
- D21H13/04—Cellulose ethers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
Definitions
- the invention relates to a polymer fiber with improved long-term dispersibility, a process for their preparation, and their use.
- Polymer fiber i. Fibers based on synthetic polymers are industrially produced on a large scale.
- the underlying synthetic polymer is produced by a melt spinning process. This is the
- the spinneret usually has a multi-bore spinneret plate from which the individual capillaries (filaments) of the fiber are extruded.
- wet or solvent spinning processes are also used for the production of staple fibers.
- a highly viscous solution of a synthetic polymer through nozzles with fine
- the polymer fibers have good dispersibility in aqueous systems, e.g. in the production of wet laid nonwovens.
- Drawing and / or crimping is usually carried out by applying suitable coatings or sizes, which are applied to the surface of the finished or to be treated polymer fiber.
- Another possibility of the chemical modification can be carried out on the polymer backbone itself, for example by incorporation of flame retardant compounds in the main and / or side polymer chain.
- additives such as antistatic agents or colored pigments, may be incorporated into the molten thermoplastic polymer or incorporated into the polymer fiber during the multi-digit spinning process.
- the dispersing behavior of a polymer fiber is partly determined by the nature of the influenced by synthetic polymers. In particular with fibers made of thermoplastic polymer, the dispersibility in aqueous systems is therefore influenced and adjusted by the applied to the surface Aviagen or finishing.
- Dispersibility in particular long-term dispersibility, provide that has good dispersibility even after prolonged storage and also for food contact according to EU Reg. 231/2012 is approved.
- the polymer fiber should also be used under extreme conditions, i. high pressure, high shear forces and elevated temperature, especially in aggressive aqueous systems, which may have a pH of ⁇ 7 and / or
- Electrolytes especially on a saline basis, have good dispersibility and this good dispersibility persist even after prolonged storage.
- the polymer fiber according to the invention comprising at least one synthetic polymer, preferably at least one synthetic thermoplastic polymer, characterized in that the fiber has on the surface a preparation comprising at least one cellulose ether selected from the group carboxymethyl cellulose (CMC),
- CMC carboxymethyl cellulose
- Methylcellulose MC
- EC ethylcellulose
- HEC hydroxyethylcellulose
- HPC Hydroxypropyl cellulose
- MEC methyl ethyl cellulose
- HEMC Hydroxyethylmethylcellulose
- HPMC hydroxypropylmethylcellulose
- Forming dispersion medium is preferably thermoplastic
- thermoplastic polycondensates particularly preferably so-called synthetic biopolymers, particularly preferably to
- thermoplastic polycondensates based on so-called biopolymers.
- thermoplastic polymer in the present invention refers to a plastic which can be (thermoplastic) deformed in a certain temperature range, preferably in the range from 25 ° C. to 350 ° C. This process is reversible, that is to say it can be cooled and reheating to the molten state are repeated as often as long as not through
- thermoplastic polymers differ from the thermosets and
- thermoplastic polymer is preferably understood as meaning the following polymers:
- Polyestercarbonate polyaryletherketone, polyetheretherketone, polyetherimide, Polyether ketone, polyethylene oxide, polyaryl ether sulfone, polyethylene terephthalate, polyimide, polyisobutylene, polyisocyanurate, polyimidesulfone, polymethacrylimide, polymethacrylate, poly-4-methylpentene-1, polyacetal, polypropylene,
- Polyphenylene oxide polypropylene oxide, polyphenylene sulfide, polyphenylene sulfone, polystyrene, polysulfone, polytetrafluoroethylene, polyurethane, polyvinyl acetate,
- Polyvinylidene fluoride polyvinyl fluoride, polyvinyl methyl ether, polyvinylpyrrolidone, styrene-butadiene copolymer, styrene-isoprene copolymer, styrene-maleic anhydride copolymer, styrene-maleic anhydride-butadiene copolymer, styrene-methylnethacrylate copolymer, styrene-methylstyrene copolymer, styrene-acrylonitrile Copolymer, vinyl chloride-ethylene copolymer, vinyl chloride-methacrylate copolymer, vinyl chloride-maleic anhydride copolymer, vinyl chloride-maleimide copolymer, vinyl chloride-methyl methacrylate copolymer, vinyl chloride-octyl acrylate copolymer, vinyl chloride-vinyl acetate copolymer,
- thermoplastic polymer is preferably understood as meaning a polymer which differs chemically and / or physically from the cellulose ethers used in the preparation.
- the filament-forming thermoplastic polymers do not comprise any one of the following thermoplastic polymers.
- the filament-forming thermoplastic polymers do not comprise any one of the following thermoplastic polymers.
- thermoplastic polymers Mp> 100 ° C
- staple fibers Particularly suitable are high-melting thermoplastic polymers (Mp> 100 ° C) used, which are very well suited in the production of staple fibers.
- Suitable refractory thermoplastic polymers include i.a. for example, polyamides, e.g. Polyhexamethylene adipamide, polycaprolactam, aromatic or partially aromatic polyamides ("aramids"), aliphatic polyamides, e.g. Nylon, partially aromatic or wholly aromatic polyesters, polyphenylene sulfide (PPS), polymers having ether and keto groups, e.g. Polyether ketones (PEK) and
- PEEK Polyetheretherketone
- polyolefins e.g. Polyethylene
- melt-spinnable polyesters are particularly preferred.
- Melt-spinnable polyesters consist predominantly of building blocks derived from aromatic dicarboxylic acids and from aliphatic diols. Common aromatic dicarboxylic acid building blocks are the divalent radicals of
- Benzenedicarboxylic acids in particular terephthalic acid and isophthalic acid;
- Common diols have 2 to 4 carbon atoms, with ethylene glycol and / or propane-1, 3-diol are particularly suitable.
- polyesters which are at least 95 mol%
- PET Polyethylene terephthalate
- polyesters especially polyethylene terephthalates, usually have a molecular weight corresponding to an intrinsic viscosity (IV) of 0.4 to 1.4 (dl / g), measured on solutions in dichloroacetic acid at 25 ° C.
- IV intrinsic viscosity
- synthetic biopolymer in the present invention refers to a material which consists of biogenic raw materials (renewable raw materials), thus distinguishing it from the conventional, petroleum-based materials or plastics, such as, for example, polyethylene (PE), polypropylene (PP) and polyvinyl chloride (PVC).
- PE polyethylene
- PP polypropylene
- PVC polyvinyl chloride
- thermoplastic polycondensates based on so-called biopolymers, these include repeating units of lactic acid, hydroxybutyric acid and / or glycolic acid, preferably lactic acid and / or glycolic acid, in particular lactic acid.
- Polylactic acids are particularly preferred.
- polylactic acid polymers derived from
- Lactic acid units are constructed. Such polylactic acids are usually prepared by condensation of lactic acids, but are also obtained in the ring-opening polymerization of lactides under suitable conditions.
- Polylactic acids particularly useful in the present invention include poly (glycolide-co-L-lactide), poly (L-lactide), poly (L-lactide-co-s-caprolactone), poly (L-lactide-co-glycolide), poly (L lactide-co-D, L-lactide), poly (D, L-lactide-co-glycolide) and poly (dioxanone).
- Such polymers are available, for example, from Boehringer Ingelheim Pharma KG (Germany) under the trade names Resomer® GL 903, Resomer® L 206 S, Resomer® L 207 S, Resomer® L 209 S, Resomer® L 210, Resomer® L 210 S Resomer® LC 703 S, Resomer® LG 824 S, Resomer® LG 855 S, Resomer® LG 857 S, Resomer® LR 704 S, Resomer® LR 706 S, Resomer® LR 708, Resomer® LR 927 S, Resomer® RG 509 S and Resomer® X 206 S commercially available.
- particularly advantageous polylactic acids are in particular poly-D, poly-L or poly-D, L-lactic acids. In a particularly preferred embodiment, it is in the
- thermoplastic polycondensate based on lactic acids
- the polylactic acids used in the invention have a number average molecular weight (Mn), preferably determined by
- the weight-average molecular weight (Mw) of preferred lactic acid polymers is preferably in the range from 750 g / mol to 5,000,000 g / mol, preferably in the range from 5,000 g / mol to 1,000,000 g / mol, more preferably in the range from 10,000 g / mol to 500,000 g / mol, in particular in the range from 30,000 g / mol to 500,000 g / mol, and the polydispersity of these polymers is favorably in the range of 1.5 to 5.
- the inherent viscosity of particularly suitable, lactic acid polymers, in particular poly-D, poly-L or poly-D, L-lactic acids, measured in chloroform at 25 ° C, 0.1% polymer concentration, is in the range of 0.5 dl / g to 8.0 dl / g, preferably in the range of 0.8 dl / g to 7.0 dl / g, in particular in the range of 1, 5 dl / g to 3.2 dl / g.
- Hexafluoro-2-propanol at 30 ° C, 0.1% polymer concentration in the range of 1, 0 dl / g to 2.6 dl / g, in particular in the range of 1, 3 dl / g to 2.3 dl / g ,
- polymers in particular thermoplastic polymers, with a glass transition temperature greater than 20 ° C., advantageously greater than 25 ° C., preferably greater than 30 ° C., particularly preferably greater than 35 ° C., in particular greater than 40 ° C., are extremely advantageous.
- the glass transition temperature of the polymer is in the range of 35 ° C to 55 ° C,
- polymers are particularly suitable which have a melting temperature greater
- the glass transition temperature and the melting temperature of the polymer are preferably at least 60 ° C, preferably greater than 150 ° C, more preferably in the range of 160 ° C to 210 ° C, in particular in the range of 175 ° C to 195 ° C.
- the glass transition temperature and the melting temperature of the polymer are preferably at least 60 ° C, preferably greater than 150 ° C, more preferably in the range of 160 ° C to 210 ° C, in particular in the range of 175 ° C to 195 ° C.
- DSC measurement under nitrogen on a Mettler-Toledo DSC 30S The calibration is preferably carried out with indium.
- the measurements are preferably carried out under dry, oxygen-free nitrogen (flow rate:
- the sample weight is preferably chosen between 15 mg and 20 mg.
- the samples are first from 0 ° C to preferably a temperature above the melting temperature of the
- heated polymer then cooled to 0 ° C and heated a second time from 0 ° C to said temperature at a heating rate of 10 ° C / min.
- thermoplastic polymers are polyesters, in particular lactic acid polymers.
- the polymer fiber of the invention may be used as a finite fiber, e.g. as a so-called staple fiber, or as an infinite fiber (filament).
- a finite fiber e.g. as a so-called staple fiber
- an infinite fiber filament
- the fiber is preferably present as a staple fiber.
- the length of the aforementioned staple fibers is not fundamentally limited, but is generally 1 to 200 mm, preferably 2 to 120 mm, particularly preferably 2 to 60 mm.
- short fibers can be cut well from the fibers according to the invention. This is understood to mean fiber lengths of 5 mm and less, in particular 4 mm and less.
- the individual denier of the polymer fiber according to the invention is between 0.3 and 30 dtex, preferably 0.5 to 13 dtex.
- the polymer fibers according to the invention are preferably made from thermoplastic polymers, in particular thermoplastic organic polymers, particularly preferably from thermoplastic organic polycondensates
- the polymer material is melted in an extruder and processed by means of spinnerets to the polymer fibers.
- the polymer fibers according to the invention usually do not comprise fibers which have been prepared by spinning from solution, in particular by means of electrospinning.
- the polymer fiber can also be present as a bicomponent fiber, the fiber consisting of a component A (core) and a component B (shell).
- the melting point of the thermoplastic polymer in component A may be at least 5 ° C., preferably at least 10 ° C., more preferably at least 20 ° C., higher than the melting point of the thermoplastic polymer in component B. Melting point of the thermoplastic polymer in component A at least 100 ° C, preferably at least 140 ° C, more preferably at least 150 ° C.
- thermoplastic polymers used in the bicomponent fiber are the polymers already mentioned above.
- the polymer fiber according to the invention has on the surface between 0.1 and 20% by weight, preferably 0.5 to 3% by weight, of a preparation which comprises at least one cellulose ether selected from the group carboxymethylcellulose (CMC), methylcellulose (MC) , Ethylcellulose (EC), hydroxyethylcellulose (HEC),
- CMC carboxymethylcellulose
- MC methylcellulose
- EMC Ethylcellulose
- HEC hydroxyethylcellulose
- HPC Hydroxypropyl cellulose
- MEC methyl ethyl cellulose
- HEMC Hydroxyethylmethylcellulose
- HPMC hydroxypropylmethylcellulose
- Ethylhydroxyethylcellulose carboxymethylhydroxyethylcellulose, and mixtures thereof.
- the preparation comprises at least two cellulose ethers selected from the group of carboxymethylcellulose (CMC),
- Methylcellulose MC
- EC ethylcellulose
- HEC hydroxyethylcellulose
- HPC Hydroxypropyl cellulose
- MEC methyl ethyl cellulose
- HEMC Hydroxyethylmethylcellulose
- HPMC hydroxypropylmethylcellulose
- ethylhydroxyethylcellulose carboxymethylhydroxyethylcellulose, especially Preference is given to preparation of methylcellulose (MC) and
- HPMC Hydroxypropylmethylcellulose
- the preparation according to the invention covers min. 99% of the total surface area of the fiber, preferably min. 99.5%, in particular min. 99.9%, more preferably 100% of the total surface area of the fiber.
- the coverage of the surface is determined by microscopic methods.
- the preparation according to the invention is preferably applied exclusively to the fiber and not subsequently to the textile fabrics produced from the fibers.
- the preparation according to the invention usually has a thickness of 5 to 10 nm on the fiber.
- the thickness is determined by microscopic methods.
- the cellulose ethers used in accordance with the invention are substances which are classified in accordance with EU Reg. 231/2012 are approved as additives. Such substances are commercially available, for example under the name VIVAPUR® or Methocel TM.
- the preparation comprises cellulose ethers, but in particular carboxymethylcellulose (CMC), methylcellulose (MC),
- Ethylcellulose (EC), hydroxyethylcellulose (HEC), hydroxypropylcellulose (HPC), methylethylcellulose (MEC), hydroxyethylmethylcellulose (HEMC),
- HPMC Hydroxypropylmethylcellulose
- ethylhydroxyethylcellulose ethylhydroxyethylcellulose
- Carboxymethylhydroxyethylcellulose particularly preferred are preparation of methylcellulose (MC) and hydroxypropylmethylcellulose (HPMC) containing a
- Gelling temperature in the range 35 ° C to 90 ° C preferably in the range 40 ° C to 70 ° C, in particular in the range 45 ° C to 60 ° C, particularly preferably in the range 45 ° C to 55 ° C.
- the cellulose ethers used according to the invention usually have a degree of substitution (number of substituted hydroxy groups per molecule of glucose) in the range from 1.3 to 2.6, preferably from 1.6 to 2.0.
- the degree of substitution is usually determined by gas chromatography.
- the cellulose ethers used according to the invention preferably have a methoxy group content of from 26% to 33%, in particular from 27% to 32%.
- the hydroxypropylcelluloses used according to the invention preferably have a hydroxypropyl group content of max. 5% up.
- the hydroxypropylcelluloses used according to the invention preferably have a hydroxypropyl group content of 7% to 12%.
- the cellulose ethers used according to the invention preferably have a methoxy group content of 26% to 33%, in particular of 27% to 32%, and a hydroxypropyl group content of max. 5% up.
- the cellulose ethers used according to the invention preferably have a methoxy group content of from 26% to 33%, in particular from 27% to 32%, and a hydroxypropyl group content of from 7% to 12%.
- the cellulose ethers used according to the invention usually have an average molecular weight Mn between 10,000 and 380,000 g / mol, preferably between 10,000 and 200,000 g / mol, in particular between 10,000 and 100,000 g / mol, particularly preferably between 12,000 and 60,000 g / mol preferably between 12,000 and 40,000 g / mol, on.
- the average molecular weight Mn is usually determined by gel permeation chromatography (GPC).
- the cellulose ethers used according to the invention usually have a degree of polymerization of from 50 to 1000.
- the cellulose ethers used according to the invention usually have a viscosity of 10 to 40 mPas, measured as 2% by weight solution in demineralized water (VE water according to DIN standard EN50272-2: 2001) at 20 ° C. (30 seconds after activation of the Solution (resting phase) is measured over a further 30 seconds and one thus obtains the measured value after one minute), for example by means of Brookfield LVT.
- the preparation according to the invention is usually applied as an aqueous preparation, the solids content of cellulose ether (s) being from 0.1 to 5.0 g / l.
- the aqueous preparation may contain other ingredients, such as defoamers, etc.
- the inventively equipped polymer fibers show a very good
- the polymer fibers according to the invention very quickly and remain dispersed over a longer period of time, on the other hand, the polymer fibers according to the invention also exhibit a good storage stability, i. Even after storage of the fibers prepared according to the invention for at least 1 month (at room temperature of 25 ° C. and a relative humidity in the range from 20 to 70%), the fibers can be well dispersed and are distributed very uniformly as dispersed fibers.
- the polymer fibers of the invention are also suitable for stabilizing aqueous dispersions in which, in addition to the fibers according to the invention, there are additionally solid, particulate particles, for example mineral particles.
- polymer fibers according to the invention having a titer between 0.3 and 3 dtex and a fiber length of ⁇ 10 mm, in particular ⁇ 8 mm, particularly preferably ⁇ 6 mm, particularly preferably ⁇ 4 mm are suitable.
- the polymer fibers of the present invention also stabilize aqueous dispersions with other polymer fibers that do not have the inventive finish.
- the other polymer fibers may be different or even identical with respect to the fiber-forming polymers, these other polymer fibers not having equipment according to the invention.
- the fibers of the invention can be used well in the production of wet-laid fabrics.
- Equipped polymer fibers can be made in the pulper or sheet former.
- polymer fibers according to the invention having a titer between 0.3 and 3 dtex and a fiber length of ⁇ 10 mm, in particular ⁇ 8 mm, particularly preferably ⁇ 6 mm, particularly preferably ⁇ 4 mm are suitable.
- the preparation of the synthetic polymer fiber according to the invention is carried out by conventional methods. First, the synthetic polymer is dried, if necessary, and fed to an extruder. Then the melted
- Spinning speed is adjusted so that a fiber is produced with the desired titer.
- Spin speed is the speed with which the solidified threads are pulled off.
- the threads removed in this way can either be fed directly to the drawing or even wound up or stored and drawn at a later time.
- the stretched in a conventional manner fibers and filaments can then according to the usual
- the fiber can be uncrimped as well as crimped, with the crimped version, the crimping for the wet-laying process must be set (low crimping).
- the fibers formed may have round, oval and other suitable cross-sections or other shapes, such as dumbbell, kidney-shaped, triangular or tri- or multilobal cross-sections. Also hollow fibers are possible.
- fibers of two or more polymers can be used.
- the fiber filaments produced in this way are combined into yarns and these in turn become spun cables.
- the tow cables are initially stored in cans for further processing.
- the intermediate stored in the cans spin cords are recorded and produced a large spider cable.
- the large spun fiber cables usually these 10-600 ktex, can be drawn on a strip line using conventional methods, preferably at a feed rate of 10 to 110 m / min.
- the draw ratios are preferably from 1.25 to 4, more preferably from 2.5 to 3.5.
- the temperature during the stretching is in the range of
- Glass transition temperature of the tow to be stretched is for example between 40 ° C and 80 ° C in polyester.
- the stretching can be carried out in one stage or alternatively using a two-stage drawing process (see, for example, US Pat. No. 3,816,486). Before and during hiding can be done using conventional
- Fibers can be applied to conventional methods of mechanical crimping with known crimping machines. Preferred is a mechanical apparatus for fiber crimping with steam assist, such as a stuffer box. However, fibers crimped by other methods may also be used, e.g. also three-dimensionally-curled fibers. to
- the cable is first tempered to a temperature in the range of 50 ° to 100 ° C., preferably 70 ° to 85 ° C., more preferably to about 78 ° C., and the pressure of the cable entry rollers of 1, 0 to 6, 0 bar, more preferably at about 2.0 bar, a pressure in the Crimping chamber from 0.5 to 6.0 bar, more preferably 1, 5-3.0 bar, with steam at between 1, 0 and 2.0 kg / min., Particularly preferably 1, 5 kg / min., Treated.
- the application of the preparation according to the invention is carried out after drawing and a second time before the crimping machine insofar as a crimping takes place.
- the preparation according to the invention is usually heated and in a
- Applied application temperature in the range of 30 to 1 10 ° C on the fiber and dried. It has been found that the drying of the preparation according to the invention and all post-treatment of the fibers equipped with the preparation according to the invention are carried out at a maximum temperature of 120 ° C., since higher temperatures adversely affect the dispersibility of the fiber. At temperatures of maximum 120 ° C, very homogeneous and uniform preparation jobs are obtained and almost no deposits are observed. For the dispersibility according to the invention such an application is advantageous.
- crimped fibers are added, followed by cutting and optionally hardening and depositing in pressed bales as a flake.
- present invention are preferably cut on a relaxation downstream mechanical cutting device.
- cable types can be dispensed with the cutting. These cable types are placed in uncut form in the bale and pressed.
- the fibers produced according to the invention have in the crimped
- Embodiment prefers a degree of crimping of at least 2, preferably at least 3 crimps (crimps) per cm, preferably 3 sheets per cm to 9.8 sheets per cm, and more preferably 3.9 sheets per cm to 8.9 sheets per cm.
- crimps crimps
- Crimp degree of about 5 to 5.5 sheets per cm particularly preferred.
- the crimp degree be set individually.
- Entry speeds, crimping / texturing, etc. depend on the particular polymer. These are parameters which the skilled person selects in the usual range.
- the polymer fiber according to the invention also exhibits good pumpability of the dispersed fiber in water, so that the polymer fiber according to the invention is suitable for the production of textile fibers
- Sheets according to the wet-laying method is particularly well suited. Since the fibers according to the invention promote the dispersibility of solid, particulate particles, for example mineral particles, it is also possible to produce textile fabrics with a mineral finish. For this
- Embodiments are polymer fibers according to the invention having a titer between 0.3 and 3 dtex and a fiber length of ⁇ 10 mm, in particular ⁇ 8 mm, particularly preferably ⁇ 6 mm, particularly preferably ⁇ 4 mm.
- melt-blowing processes for example as described in "Complete Textile Glossary, Celanese Acetate LLC, from the year 2000 or in” Chemiefaser-Lexikon, Robert Bauer, 10th Edition, 1993.
- melt-blowing processes are also suitable.
- Such melt-blowing processes are useful in the production of fine denier fiber, e.g. for applications in the hygiene sector.
- textile fabric is thus to be understood in the context of this description in its broadest sense. These may be all structures containing the fibers according to the invention, which have been produced by a surface-forming technique. Examples of such textile fabrics are nonwovens, in particular wet laid nonwovens, preferably based on staple fibers or webs produced by the melt-blown process.
- the fibers according to the invention have a very good dispersibility.
- the fibers of the invention show a reduced fiber fly, which causes an improvement in occupational safety, since the preparation provides for a significantly increased hold in the fiber composite.
- the reduced fiber fly is especially in the formation of fabrics, e.g. Nonwovens, of great importance.
- the textile fabrics produced by means of the fibers according to the invention are, in particular, wet-laid textile fabrics, in particular wet-laid nonwovens.
- the fabrics produced by means of the fibers according to the invention contain the polymer fibers according to the invention, on whose surface between 0.1 and 20 wt .-%, preferably 0.5 to 3 wt .-%, of a preparation is applied, the at least one cellulose ether selected from group
- Carboxymethylcellulose CMC
- methylcellulose MC
- ethylcellulose EC
- HEC Hydroxyethylcellulose
- HPC hydroxypropylcellulose
- MEC methylethylcellulose
- HEMC hydroxyethylmethylcellulose
- the proportion of polymer fibers according to the invention in the textile fabric is usually at least 10% by weight, based on the total weight of the textile fabric, preferably at least 20% by weight, in particular at least 30% by weight, particularly preferably at least 50% by weight.
- the textile fabric consists exclusively of the polymer fibers according to the invention.
- the fibers according to the invention are cut to a length of 2 to 12 mm.
- VE demineralised water
- the amount of fibers is 0.25g per liter of deionized water. For better evaluation, 1 g of fibers and 4 liters of deionized water are usually used.
- the dispersing behavior of the fiber is evaluated as follows:
- the determination of the gelling temperature is carried out by means of a oscillation rheometer Model Physica MCR 301 of the company of Anton Paar.
- Methylcellulose solution is applied to melt-spun PLA fibers during processing at the strip mill and then dried.
- the produced PLA fibers thus have on the surface a preparation comprising at least one methylcellulose (MC).
- the produced PLA fibers have min. 99% of the total surface of the fiber on the preparation of the invention.
- the PLA fibers of the present invention are cut to a cut length of 6mm and 1 gram of the cut PLA fibers are added
- the fibers according to the invention show a significantly better long-term dispersion, as well as a clearly better permanence of the dispersibility after a few weeks of storage.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017008637.0A DE102017008637A1 (en) | 2017-09-14 | 2017-09-14 | Polymer fiber with improved long-term dispersibility |
PCT/EP2018/074633 WO2019053074A1 (en) | 2017-09-14 | 2018-09-12 | Polymer fiber having improved long-term dispersibility |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3682052A1 true EP3682052A1 (en) | 2020-07-22 |
Family
ID=63708280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18779222.1A Pending EP3682052A1 (en) | 2017-09-14 | 2018-09-12 | Polymer fiber having improved long-term dispersibility |
Country Status (11)
Country | Link |
---|---|
US (1) | US20200277728A1 (en) |
EP (1) | EP3682052A1 (en) |
JP (2) | JP7234217B2 (en) |
KR (1) | KR102435385B1 (en) |
CN (1) | CN111094647A (en) |
BR (1) | BR112020004538B1 (en) |
CA (1) | CA3075545C (en) |
DE (1) | DE102017008637A1 (en) |
MX (1) | MX2020002597A (en) |
WO (1) | WO2019053074A1 (en) |
ZA (1) | ZA202001101B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102492611B1 (en) * | 2021-11-15 | 2023-01-31 | 세명대학교 산학협력단 | A method of Self-healing solid phase capsule with fiber |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3816486A (en) | 1969-11-26 | 1974-06-11 | Du Pont | Two stage drawn and relaxed staple fiber |
US3743570A (en) * | 1971-03-03 | 1973-07-03 | Crown Zellerbach Corp | Process for producing a nonwoven fabric web from a suspension of polyolefin fibers and a hydrophilic colloidal polymeric additive |
US4417931A (en) * | 1981-07-15 | 1983-11-29 | Cip, Inc. | Wet compaction of low density air laid webs after binder application |
GB8519047D0 (en) * | 1985-07-29 | 1985-09-04 | Unilever Plc | Detergent composition |
JPH0772390B2 (en) * | 1987-09-17 | 1995-08-02 | 日本合成ゴム株式会社 | Composition for carpet backing |
US5498478A (en) * | 1989-03-20 | 1996-03-12 | Weyerhaeuser Company | Polyethylene glycol as a binder material for fibers |
FI108283B (en) * | 1997-01-13 | 2001-12-31 | M Real Oyj | Procedure for coating paper and cardboard |
AU2001241890A1 (en) * | 2000-04-20 | 2001-11-07 | Milliken And Company | Wiper with particle attracting finish |
WO2002036637A1 (en) * | 2000-11-01 | 2002-05-10 | Eastman Chemical Company | Use of carboxymethyl cellulose acetate butyrate |
JP3897341B2 (en) * | 2002-03-18 | 2007-03-22 | 竹本油脂株式会社 | Synthetic fiber treatment agent for papermaking, papermaking method and papermaking |
US20050136773A1 (en) * | 2003-12-22 | 2005-06-23 | Kimberly-Clark Worldwide, Inc. | Treated nonwoven material |
EP1957618B1 (en) * | 2005-12-07 | 2010-02-24 | SCA Hygiene Products AB | Laminate material for absorbent articles and method for its manufacture |
CA2634040A1 (en) * | 2005-12-15 | 2007-07-12 | Dow Global Technologies Inc. | Improved cellulose articles containing an additive composition |
US9945069B2 (en) | 2006-10-20 | 2018-04-17 | Daikin Industries, Ltd. | Treatment comprising water- and oil-repellent agent |
JP4954798B2 (en) | 2007-06-01 | 2012-06-20 | 花王株式会社 | Textile treatment composition |
EP2563413B1 (en) * | 2010-04-30 | 2017-09-13 | The Procter and Gamble Company | Nonwoven having durable hydrophilic coating |
US8461262B2 (en) * | 2010-12-07 | 2013-06-11 | Kimberly-Clark Worldwide, Inc. | Polylactic acid fibers |
US9439549B2 (en) * | 2010-12-08 | 2016-09-13 | Georgia-Pacific Nonwovens LLC | Dispersible nonwoven wipe material |
EP2785914B1 (en) * | 2011-11-30 | 2016-03-16 | Dow Global Technologies LLC | Water-disintegratable non-woven fibrous sheet |
CN103225125B (en) * | 2013-05-08 | 2014-12-24 | 长沙乐远化工科技有限公司 | Modified polylactic acid fiber and preparation method thereof |
KR101524810B1 (en) * | 2013-12-27 | 2015-06-02 | 한국생산기술연구원 | Composite non-woven fabric and process for preparing the same |
JP6364091B2 (en) * | 2014-04-07 | 2018-07-25 | トレビラ・ゲーエムベーハー | Polymer fibers with improved dispersibility |
CN106120322A (en) * | 2016-07-29 | 2016-11-16 | 长兴卫峰纺织有限公司 | A kind of hydrophilic modification method of acid fiber by polylactic |
MX2019005403A (en) * | 2018-05-09 | 2020-09-10 | Resolute Fp Canada Inc | Reinforced composites and methods for their manufacture. |
JP2022501525A (en) * | 2018-09-19 | 2022-01-06 | ジョージア パシフィック マウント ホリー エルエルシー | Integrated non-woven material |
-
2017
- 2017-09-14 DE DE102017008637.0A patent/DE102017008637A1/en active Pending
-
2018
- 2018-09-12 BR BR112020004538-1A patent/BR112020004538B1/en active IP Right Grant
- 2018-09-12 US US16/645,847 patent/US20200277728A1/en active Pending
- 2018-09-12 CN CN201880059179.4A patent/CN111094647A/en active Pending
- 2018-09-12 MX MX2020002597A patent/MX2020002597A/en unknown
- 2018-09-12 KR KR1020207009499A patent/KR102435385B1/en active IP Right Grant
- 2018-09-12 CA CA3075545A patent/CA3075545C/en active Active
- 2018-09-12 JP JP2020514917A patent/JP7234217B2/en active Active
- 2018-09-12 EP EP18779222.1A patent/EP3682052A1/en active Pending
- 2018-09-12 WO PCT/EP2018/074633 patent/WO2019053074A1/en active Search and Examination
-
2020
- 2020-02-21 ZA ZA2020/01101A patent/ZA202001101B/en unknown
-
2022
- 2022-12-28 JP JP2022212455A patent/JP7459223B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
ZA202001101B (en) | 2021-07-28 |
DE102017008637A1 (en) | 2019-03-14 |
JP7459223B2 (en) | 2024-04-01 |
CN111094647A (en) | 2020-05-01 |
BR112020004538A2 (en) | 2020-09-08 |
JP7234217B2 (en) | 2023-03-07 |
MX2020002597A (en) | 2020-07-20 |
CA3075545A1 (en) | 2019-03-21 |
US20200277728A1 (en) | 2020-09-03 |
KR102435385B1 (en) | 2022-08-23 |
JP2020536178A (en) | 2020-12-10 |
BR112020004538B1 (en) | 2024-02-27 |
WO2019053074A1 (en) | 2019-03-21 |
KR20200054225A (en) | 2020-05-19 |
JP2023036910A (en) | 2023-03-14 |
CA3075545C (en) | 2023-10-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3129530B1 (en) | Polymer fibre having improved dispersibility | |
US3097991A (en) | Synthetic fibrous products | |
DE19882319B4 (en) | Fibers, films and their manufacture | |
EP2173931B1 (en) | Fibrefill fibre having improved opening characteristics, production and use thereof | |
EP1799414B1 (en) | Flowable pellets based on cellulose textile fibres and a method for the production thereof | |
EP2981639A1 (en) | Polysaccharide fibres with an increased fibrillation tendency and method for the production thereof | |
EP2632985B1 (en) | Use of polymer blends for producing slit film tapes | |
DE60125964T2 (en) | RIBBED FIBERS AND METHOD FOR THE PRODUCTION THEREOF | |
EP0574870A1 (en) | Process for producing cellulose moulded articles | |
DE2707275A1 (en) | ACRYLIC FIBER OR FIBER WITH REDUCED STATIC ELECTRICITY | |
EP2169110B1 (en) | Fire-resistant hollow fibres with silicon-free soft hand finish comprising a polyether and a condensation product of fatty acid | |
JP7459223B2 (en) | Polymer fibers with improved long-term dispersibility | |
EP1658395B1 (en) | Method for producing moulded bodies exhibiting thermoregulation properties | |
DE1285666C2 (en) | RUFFLE COMPOSITE POLYESTER FEMES | |
DE2556130A1 (en) | PROCESS FOR MANUFACTURING FIBRILLATED POLYTETRAFLUORAETHYLENE PRODUCTS | |
EP1334223B1 (en) | Method for producing synthetic threads from polymer mixtures | |
EP4087962B1 (en) | Biodegradable polymer fiber from renewable raw materials | |
DE102014004928A1 (en) | Polymer fiber with improved dispersibility | |
DE2147477C3 (en) | Fibrillatable fibers for paper production from a polymer mixture | |
DE2009971B2 (en) | Bicomponent synthetic threads of the matrix / fibril type | |
DE2100212A1 (en) | Process for the production of synthetic fibers | |
EP1358371A1 (en) | Method for producing continuous moulded bodies consisting of cellulose | |
WO2023274884A1 (en) | Electrically conductive yarn |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20200414 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20231110 |
|
RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: INDORAMA VENTURES FIBERS GERMANY GMBH |