EP2831334A2 - Cellulosische filamente mit verbesserter thermostabilität - Google Patents
Cellulosische filamente mit verbesserter thermostabilitätInfo
- Publication number
- EP2831334A2 EP2831334A2 EP13737548.1A EP13737548A EP2831334A2 EP 2831334 A2 EP2831334 A2 EP 2831334A2 EP 13737548 A EP13737548 A EP 13737548A EP 2831334 A2 EP2831334 A2 EP 2831334A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- fiber
- cellulosic
- mass
- stabilizer
- cellulosic fiber
- 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
- 229920002678 cellulose Polymers 0.000 title claims description 22
- 239000001913 cellulose Substances 0.000 title claims description 22
- 239000000835 fiber Substances 0.000 claims abstract description 108
- 239000003381 stabilizer Substances 0.000 claims abstract description 69
- 238000000034 method Methods 0.000 claims abstract description 49
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000004202 carbamide Substances 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 10
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 6
- 229920000297 Rayon Polymers 0.000 claims description 26
- 238000000576 coating method Methods 0.000 claims description 24
- 239000006185 dispersion Substances 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 12
- 239000002202 Polyethylene glycol Substances 0.000 claims description 9
- 239000002318 adhesion promoter Substances 0.000 claims description 9
- 229920001223 polyethylene glycol Polymers 0.000 claims description 9
- 150000005215 alkyl ethers Chemical class 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 8
- 239000004816 latex Substances 0.000 claims description 7
- 229920000126 latex Polymers 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 229920002284 Cellulose triacetate Polymers 0.000 claims description 6
- 229920000433 Lyocell Polymers 0.000 claims description 6
- 229920002301 cellulose acetate Polymers 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000005060 rubber Substances 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 5
- DGXAGETVRDOQFP-UHFFFAOYSA-N 2,6-dihydroxybenzaldehyde Chemical compound OC1=CC=CC(O)=C1C=O DGXAGETVRDOQFP-UHFFFAOYSA-N 0.000 claims description 4
- 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 4
- 238000005345 coagulation Methods 0.000 claims description 4
- 230000015271 coagulation Effects 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002608 ionic liquid Substances 0.000 claims description 3
- 150000002989 phenols Chemical class 0.000 claims description 3
- 230000001172 regenerating effect Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 150000003512 tertiary amines Chemical class 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 239000012991 xanthate Substances 0.000 claims description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims 1
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 230000008929 regeneration Effects 0.000 claims 1
- 238000011069 regeneration method Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 239000004094 surface-active agent Substances 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 62
- 238000006116 polymerization reaction Methods 0.000 abstract description 32
- 229920003043 Cellulose fiber Polymers 0.000 abstract description 9
- 238000003878 thermal aging Methods 0.000 abstract description 4
- 239000002657 fibrous material Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 49
- 239000000243 solution Substances 0.000 description 42
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 230000008646 thermal stress Effects 0.000 description 19
- 239000002964 rayon Substances 0.000 description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 239000003570 air Substances 0.000 description 14
- 238000007598 dipping method Methods 0.000 description 12
- 230000007774 longterm Effects 0.000 description 10
- 238000009864 tensile test Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 7
- 238000007654 immersion Methods 0.000 description 7
- 238000005470 impregnation Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 235000011121 sodium hydroxide Nutrition 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229920001169 thermoplastic Polymers 0.000 description 6
- 239000004416 thermosoftening plastic Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 description 4
- 239000012080 ambient air Substances 0.000 description 4
- 230000003750 conditioning effect Effects 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- -1 poly (ethylene) Polymers 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 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 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- DBNPDRYVYQWGFW-UHFFFAOYSA-N N.[Cu]=O Chemical compound N.[Cu]=O DBNPDRYVYQWGFW-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 150000002191 fatty alcohols Chemical class 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 238000011020 pilot scale process Methods 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 238000004383 yellowing Methods 0.000 description 2
- CSHOPPGMNYULAD-UHFFFAOYSA-N 1-tridecoxytridecane Chemical compound CCCCCCCCCCCCCOCCCCCCCCCCCCC CSHOPPGMNYULAD-UHFFFAOYSA-N 0.000 description 1
- 241001631457 Cannula Species 0.000 description 1
- 229920000298 Cellophane Polymers 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000005233 alkylalcohol group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- WRZXKWFJEFFURH-UHFFFAOYSA-N dodecaethylene glycol Chemical compound OCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO WRZXKWFJEFFURH-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001521 polyalkylene glycol ether Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000012031 short term test Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000000196 viscometry Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000004804 winding 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/144—Alcohols; Metal alcoholates
-
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/402—Amides imides, sulfamic acids
- D06M13/432—Urea, thiourea or derivatives thereof, e.g. biurets; Urea-inclusion compounds; Dicyanamides; Carbodiimides; Guanidines, e.g. dicyandiamides
-
- 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
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
-
- 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
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
Definitions
- Cellulose is the most common and important naturally occurring polymer in the world.
- cellulosic moldings such as paper, blown film, cellophane and sponge cloths
- cellulose fibers are among the important technical products that are used primarily for clothing, as insulating materials and as technical strength carriers.
- the present invention relates to cellulosic fibers having improved thermostability for applications of increased continuous use or processing temperature.
- Cellulosic fibers for industrial applications also referred to as technical viscose, rayon or lyocell
- Cellulosic fibers, filaments and multifilaments can be obtained in a variety of ways and in various forms, which are also known and familiar to the art.
- the classification can be made according to the manufacturing process - for example direct dissolving or regenerating - and / or on the nature of the product obtained, either in turn of cellulose with modified crystal structure (so-called Hydratcellulose or cellulose II) exists - for example viscose - or a polymer-analogous derivative of the cellulose represents, as for example cellulose acetates or cellulose triacetates.
- cellulosic fibers, multifilament yarns and the products containing such fibers or yarns are often exposed to high temperatures.
- thermoplastic fibers in cellulosic fibers, the registered thermal energy can only to a small extent in the form of latent heat to aggregate state change (increase the chain mobility, in consequence Reorientation, softening and melting). This is due to the comparatively high chain stiffness of cellulose and the large number of functional groups, which result in high intermolecular binding energies.
- US Pat. No. 2,278,285 discloses the stabilizing function of urea as an aging stabilizer for rayon yarns.
- urea is applied in the form of an aqueous solution by dipping and optionally a subsequent annealing above the melting temperature of urea (2-6 hours at> 135 ° C) is applied, which is to serve the homogeneous distribution of the stabilizer in the fiber.
- urea-impregnated rayon yarns can subsequently be treated with adhesion promoters such as resorcinol-formaldehyde-latex (RFL).
- adhesion promoters such as resorcinol-formaldehyde-latex (RFL).
- RRL resorcinol-formaldehyde-latex
- thermostabilizing effect is still detectable on the adhesion-impregnated yarn.
- the effects of urea pretreatment on the effectiveness of the liability mediator discussed. It is therefore an object of the present invention to provide a cellulosic fiber having improved thermostability while retaining adhesion to rubber.
- the solution to this problem is surprisingly achieved by a cellulosic fiber which is coated with a urea-containing stabilizer mixture, wherein the stabilizer mixture may additionally comprise nonionic surfactants and antioxidants.
- Urea is the main component of the claimed thermal stabilizer in a coating process together with an RFL adhesion promoter system applied, the resulting impregnated fiber also shows improved thermal stability, with consistent or slightly lower adhesion to common rubber types.
- the heat stabilization succeeds in this case, regardless of whether the stabilizer is added before the post-condensation of the RFL dispersion or only immediately before the dip impregnation.
- the addition of urea can be carried out both as a solid and in the form of an aqueous solution.
- the mass fraction of urea in the RFL impregnation solution may be 0.5-25%.
- thermostable cellulosic fiber disclosed herein exhibits higher tensile strengths (measured as maximum tensile strength), higher degrees of polymerization (viscometric one-point measurement, Cuen), and correspondingly lower thermal discoloration (unquantified) than a corresponding unstabilized thermal stress Cellulosic fiber.
- the remaining tensile strength of the coated cellulosic fiber is at least 10%, more preferably at least 50%, most preferably at least 100% higher than a corresponding uncoated fiber after identical thermal loading.
- the object of the invention is particularly characterized by a significantly increased long-term thermostability, but also shows at the same time favorable behavior during short loads at extremely high temperatures (high temperature processing).
- the high stabilizing effect is obtained in particular with those cellulosic fibers in which the nonionic surfactants in the coating agent are linear or branched polyethylene glycol alkyl ethers and / or long-chain, branched alcohols. Furthermore, it is advantageous if the antioxidants are sterically hindered phenols.
- the composition, type or presentation of the coated cellulosic fibers is not limited in itself. Optimum results are obtained by using high purity cellulose fibers with high degrees of polymerization.
- the corresponding coated fiber may be a cellulosic fiber or a corresponding multifilament yarn consisting either predominantly of cellulose or of a polymer-analogous derivative of the cellulose, e.g. Cellulose acetate or cellulose triacetate.
- the recovery process for the inventively coated cellulosic fiber or filaments is not limited.
- the cellulosic fiber or filament used in the coating may be applied by a direct dissolving method, such as a spin coating. from solutions in caustic soda, copper oxide-ammonia, phosphoric anhydrides, tertiary amine oxides such as N-methylmorpholine-N-oxide (NMMO) or ionic liquids, and subsequent precipitation in suitable coagulation media.
- a direct dissolving method such as a spin coating. from solutions in caustic soda, copper oxide-ammonia, phosphoric anhydrides, tertiary amine oxides such as N-methylmorpholine-N-oxide (NMMO) or ionic liquids, and subsequent precipitation in suitable coagulation media.
- NMMO N-methylmorpholine-N-oxide
- the cellulosic fiber is recycled by a regenerating process in which the cellulose (in the form of chemical pulp) initially chemically soluble derivatives (xanthates or carbamates) is reacted and dissolved.
- the solution is pumped through spinnerets and the spun fibers are finally coagulated and regenerated in the precipitation bath, washed and sized (functionally coated) in one or more post-treatment steps and finally either wound on endless coils or processed into fiber cut.
- High strength coated cellulosic fibers generally have a tenacity of at least 20 cN / tex, more preferably at least 35 cN / tex, most preferably greater than 45 cN / tex, prior to thermal aging or application.
- the theoretical limit of strength for cellulosic multifilament yarns is about 90 cN / tex.
- the functional cellulosic fiber of the present invention may consist of fiber cut of any length or any number of continuous filaments, such as are common in technical and consumer products.
- the yarn has a total titer in the range of 30 to 20,000 dtex and consists of 10 to 5000 correspondingly coated single filaments.
- the elongation at break of a yarn according to the invention is 5 to 30%, preferably 10 to 20%.
- the invention is further directed to a process for coating cellulosic fiber or filaments in which the cellulosic fibers or filaments are contacted with an aqueous dispersion or solution of a stabilizer mixture containing urea, and the dried cellulosic fibers or filaments are subsequently dried and further processed wherein the dispersion or solution may additionally comprise nonionic surfactants and antioxidants.
- the dispersion or solution may additionally comprise nonionic surfactants and antioxidants.
- this is done by means of passage (immersion), wetting with a Preparation roller, or spraying with the aqueous stabilizer dispersion.
- the cellulosic fibers or continuous yarns treated in this way can then be dried and, if necessary, wound up or processed into fiber short cuts.
- the coated yarn in the oven-dry state (little physisorbed water content) in the inventive embodiment contains at most 25% by mass of additive components, preferably at most 15% by mass of additive components.
- the dipping or spraying solution used for the yarn coating preferably contains at least 5% by mass, preferably at least 10% by mass, most preferably at least 15% by mass of the stabilizer mixture.
- the target pH value can already be set during the preparation with sodium hydroxide solution or just before use with solid sodium hydroxide.
- the anhydrous stabilizer mixture preferably contains 25-60% by mass of urea, preferably 25-60% by weight of polyethylene glycol alkyl ethers and optionally preferably 5-25% by mass of long-chain, preferably branched, monoalcohols and preferably less than 5% by mass of antioxidants ,
- the polyethylene glycol alkyl ethers used preferably consist of branched C 6 -C 4 -alkyl radicals and 1 to 60 ethylene oxide (EO) repeat units. The latter are preferably hydroxy (OH) -terminated.
- the preferably branched, monoalcohols used according to the invention preferably consist of C 12-C 36 -alkyl units.
- a particularly preferred dispersion of these components (hereinafter also referred to as stabilizer solution) has the following composition:
- Urea 80% by mass of water, 5-12% by mass.
- Urea 5-12 mass% of polyethylene glycol ethers, eg, dodecaethylene glycol mono (/ so- / n-) tridecyl ether, and 0-6 mass% long chain iso- or n-alcohols, for example dodecanol or hexadecanol and 0-1% antioxidants from the class of sterically hindered phenols, eg 2,6-di-tert-butyl-4-methylphenol (BHT).
- polyethylene glycol ethers eg, dodecaethylene glycol mono (/ so- / n-) tridecyl ether
- long chain iso- or n-alcohols for example dodecanol or hexadecanol and 0-1% antioxidants from the class of sterically hindered phenols, eg 2,6-di-tert-butyl-4-methylphenol (BHT).
- this very successfully used formulation which has a solids content of about 41% by mass commercially available, should be diluted with sodium hydroxide to 25 to 75 vol .-% before use, so that solids contents of 10 to 30 mass% can be achieved ,
- the native pH of the additive - if not already done by dilution with sodium hydroxide solution - moderately alkaline by stirring solid sodium hydroxide.
- the yarn may be used by itself, or as a fiber short or after processing into a cord or subsequent processing into a woven or knitted fabric as a reinforcing material for synthetic and natural elastomers, or for other synthetic or renewable raw materials based materials, for example thermoplastic and thermosetting plastics , serve.
- elastomeric, thermoplastic, and duromeric materials include natural rubber, other poly (isoprene) s, poly (butadiene) s, polyisobutylenes, butyl rubber, poly (butadiene-co-styrene) s, poly (butadiene-co-acrylonitrile) s, poly (ethylene) co-propylene) s, poly (ethylene-co-propylene-co-diene) s, also known as EPDM, poly (isobutylene-co-isoprene) s, poly (chloroprene) s, polyacrylates, polyamide, polyesters, polylactic acid, polycarbonates , Polyglucans, polyurethanes, polysulfides, silicones, polyvinyl chloride, poly (ether-esters), thermoplastic polyesters, crosslinked unsaturated polyesters, epoxy resins, or mixtures thereof.
- the invention is likewise directed to adhesion promoters, preferably based on
- Resorcinol-formaldehyde latex isocanate or resorcinol-formaldehyde-silica, for the Bonding of fiber-containing reinforcements to rubber, which is characterized in that the bonding agent additionally contains urea.
- present urea is preferably between 0.5 and 25%, more preferably between 2.5 and 15%,
- Resorcinol-formaldehyde precondensates are known as adhesion promoter component for rubberized fabrics. For the preparation of the dips is doing the
- Precondensate processed together with the latex dispersions and other ingredients to form so-called resorcinol-formaldehyde-latex (RFL) dips.
- RTL resorcinol-formaldehyde-latex
- thermostabilizing effect of the urea In order to exploit the thermostabilizing effect of the urea, it is added during or shortly after the production of the dipping agent.
- the fibrous reinforcements contain fibers or filaments, which consist predominantly of viscose, lyocell or a polymer-analogous derivative of
- Cellulose e.g. Cellulose acetate or cellulose triacetate.
- the liability remains at least at a good level.
- a simple fiber coating equipment consists of a braked spool, a passively driven impeller through a flat, unheated, non-circulated immersion tray (5-10 cm immersion distance, approx. 100 mL immersion solution), a simple scraper, a dryer unit from a passively driven heating grid duo ( 100 ° C surface temperature, approx. 3 m heating distance), a drive roller (5 - 10 m / min) and an automatic winding.
- concentration of the dipping solution can be considered approximately constant.
- a pilot-scale fiber-coating equipment consists of a braked unwinding system, a jet-jet impregnation unit with metering pump, heated and stirred 5-liter storage vessel, staggered scraper teeth with collecting trough and return, a multi-stage roller dryer with active drive (50-60 m / min) and automatic rewinding , Following coating trials, about 30-50 m of coated yarn are rewound onto test tubes for textile tests and aging tests.
- the selected conditions of the aging tests are based on two basic application scenarios. These are on the one hand increased processing temperatures, on the other hand increased elevated service temperatures: 4.1. Short-term exposure at elevated processing temperatures
- the resistance of the cellulosic materials to short term high temperature (> 200 ° C) loads is of great benefit for injection molding of rayon-thermoplastic composites, i. of yarn short cut in a polymer melt.
- the test temperature approximated the processing temperatures of the higher melting materials (240 ° C).
- the maximum life in a hot extruder or an injection molding machine was estimated to be 20 minutes.
- LTTS long-term thermal stability
- temperatures reached in runflat tires and the desired long-term stability of radiator hoses were used as an order of magnitude.
- conditions were chosen in which a slower and steady decrease (“plateau") had set in preliminary experiments after an initially strong decrease in the average degree of polymerization (DP) and the mechanical properties, the first approximation being a
- plateau a slower and steady decrease
- the conditions of the standard long-term aging were set at 7 days (168 hours) at 150 ° C.
- the aging tests additionally became common aging conditions in the automotive supply industry (1000 h at 120-150 ° C) extended. 5. Verification of thermal aging according to the selected scenarios
- the thermal stability of the cellulosic materials according to the invention was investigated by means of rayon yarn.
- additive-coated yarn samples and untreated reference yarns are aged under identical conditions, ideally in the same experiment and in duplicate.
- the aging capsules are preferably made of glass and temperature-stable plastics.
- the yarn is generally very sensitive to the choice of aging method, which is why strict attention must be paid to reproducible performance.
- the decisive factor for the level of residual tensile strength and residual polymerization after stress is the exact preparation of the yarn sample.
- the ratio of capsule volume to amount of sample has an influence, but more important is the extent to which the yarn is accessible to oxygen and volatile decomposition products (differences between 2 meter yarn sample on a steel hanger and 250 meter yarn samples on cardboard cores).
- Pieces of two meters length of the coated yarn and the untreated output yarn are wound on separate steel wire hanger (10 turns of 20 cm) and predried at 105 ° C in a drying oven for 3 hours. Each stirrup is taken out of the oven one at a time and placed in a heated test tube filled with ambient air, which is sealed airtight with a glass stopper and PTFE tape. Another drying oven, which was previously adjusted so that the temperature inside an empty test tube is 240 ° C, is preheated for one hour. The aging samples in test tubes are placed horizontally on a slide in the center of the oven. After 5 minutes, the target temperature of 240 ° C in the test tube is reached, after 20 more minutes, the test tubes are removed and opened. The yarn samples are carefully stripped from the yarn straps and prepared for tensile testing (Eplexor 500 N) and DP determination.
- Eplexor 500 N tensile testing
- Pieces of two meters length of the coated yarn and the untreated output yarn are wound on separate steel wire hanger (10 turns of 20 cm) and predried at 105 ° C in a drying oven for 3 hours.
- Each stirrup is taken out of the oven one at a time and placed in a heated and air-filled test tube which is closed with a thermally stable rubber septum. With the aid of two cannulas, a vigorous stream of nitrogen is passed through the test tube for 20 minutes (> 3 bubbles / s).
- One another drying oven which was previously adjusted so that the temperature inside an empty test tube is 240 ° C, is preheated for one hour.
- the aging samples in test tubes are placed horizontally on a slide-in plate in the middle of the oven where, after 5 minutes, the setpoint temperature of 240 ° C in the test tube is reached. The samples are loaded for a further 20 minutes at 240 ° C and then removed from the oven. After cooling for 5 minutes, the encapsulated test tubes are opened and the aging samples are removed. The yarn samples are carefully stripped from the yarn straps and prepared for tensile testing (Eplexor 500 N) and DP determination.
- Eplexor 500 N tensile testing
- Pieces of two meters length of the coated yarn and the untreated output yarn are wound on separate steel wire hanger (10 turns of 20 cm) and predried at 105 ° C in a drying oven for 3 hours. Each stirrup is taken out of the oven one at a time and placed in a heated test tube filled with ambient air, which is sealed airtight with a glass stopper and PTFE tape. Another drying oven, which was previously adjusted so that the temperature inside an empty test tube is 150 ° C, is preheated for one hour. The aging samples in test tubes are placed horizontally on a slide in the center of the oven. After 7 days (168 hours), the test tubes are removed and opened. The yarn samples are carefully stripped from the yarn straps and prepared for tensile testing (Eplexor 500 N) and DP determination.
- Eplexor 500 N tensile testing
- 250 meters of the coated yarn and the untreated starting yarn are wound on cardboard tubes (diameter 4 cm) and pre-dried at 105 ° C in a drying oven for at least 3 hours.
- Each yarn package is sold individually taken out of the oven, into a heated and filled with ambient air wide-mouth vessel, which is sealed with a PTFE screw cap with polysulfone seal.
- Another drying oven which was previously adjusted so that the temperature inside an empty wide-mouth vessel is 150 ° C, is preheated for one hour.
- the wide-mouthed containers filled with aging samples are placed upright on a slide-in tray. After 7 days (168 hours), the glass jars are removed and opened.
- the wound yarn samples are prepared for the tensile test (Statimat 4U) and DP determination.
- 250 meters of the coated yarn and the untreated starting yarn are wound on cardboard tubes (diameter 4 cm) and pre-dried at 105 ° C in a drying oven for at least 3 hours.
- Each bobbin is taken out of the oven one at a time, placed in a heated and filled with ambient air wide-mouth vessel (1, 25 liters), which is sealed with a PTFE screw cap with polysulfone seal.
- Another drying oven which was previously adjusted so that the desired aging temperature prevails inside an empty wide-mouth vessel, is preheated for one hour.
- the wide-mouthed containers filled with aging samples are placed upright on a slide-in tray. After 41 days and 16 hours (1000 hours), the glass jars are removed and opened.
- the wound yarn samples are prepared for the tensile test (Statimat 4U) and DP determination.
- Tab. 1 Overview of the aging methods used. All experiments were stored in closed vessels in convection ovens; RG: test tube 20 mL, WHG:
- breaking strength By measuring the residual tensile force ("breaking strength"), combined aging effects on the mechanical structure of the fibers are detected, including the thermal change of the supramolecular structure and fiber morphology as well as the thermohydrolytic degradation of the individual cellulose chains.
- Eplexor 500N Laboratory rapid tests with 50 mm clamping length
- the tensile strength of thermally stressed fibers is tested in a rapid test.
- the measurement is either performed on pre-twisted Z100 samples, or the protective swirl is applied manually immediately prior to measurement.
- Useful is the use of 10 cm long, kink-free pieces (1/2 turn on the steel bracket).
- the tensile test is carried out on a GABO Eplexor 500N dynamic testing machine with a clamping length of 50 mm and a breaking rate of 100% (50 mm / min) .Your yarn sample is subjected to 5 individual measurements and the mean value of the remaining maximum tensile force ("breaking strength") is calculated.
- Statimat 4L tensile tests in standard climate with a clamping length of 500 mm
- the tensile strength of the thermally stressed fibers in a standardized tensile test on a "Textechno Statimat 4U The measurement is either performed on pre-twisted Z100 samples, or the protective swirl is applied immediately prior to measurement by the tensile tester, It is convenient to measure directly from the coil after overdrawing mm and tear rate 100% (500 mm / min) an average of the remaining maximum tensile force ("breaking strength") was obtained.
- reference fibers mentioned in the examples were dip-treated (distilled water instead of stabilizer dispersion), predried for at least 3 hours at 105 ° C., encapsulated, subjected to the appropriate aging program and tested on the identical tensile tester.
- Z100-twisted rayon multifilament yarn (f1350) of fineness 2440 dtex is impregnated at room temperature of a stabilizer solution and then dried.
- Dipping medium is a 20 mass% stabilizer solution in the sense of this invention or a 20 mass% solution of the main components urea and polyethylene glycol alkyl ether.
- Subsequent aging tests are carried out according to Methods A and B (air and nitrogen) (20 min at 240 ° C). The highest tensile forces and degrees of polymerization measured after thermal stress are shown graphically in FIG. 1. After aging in air, the stabilized fibers show a 25-30%, under nitrogen 17-21% higher relative residual strengths than the unstabilized fiber.
- Z100-twisted rayon multifilament yarn (f1350) having a fineness of 2440 dtex is impregnated at room temperature with a stabilizer solution and then dried.
- Dipping medium is a 20 mass% stabilizer solution according to the invention or a 20 mass% solution of the main components urea and polyethylene glycol alkyl ether.
- Subsequent aging tests are carried out according to method C (air, 7 days at 150 ° C). The maximum tensile forces and degrees of polymerization measured after thermal stress are shown graphically in FIG. 2. While the strength of an untreated fiber breaks down after aging to about 45% of the initial value, with additivated fibers still 64-67% residual strength is measured. This corresponds to 41-47% higher relative residual strengths.
- Z100-twisted rayon multifilament yarn (f1350) having a fineness of 2440 dtex is impregnated at room temperature with a stabilizer solution according to the invention and then dried.
- a stabilizer concentration in the dipping solution of 2% by mass a stabilizer uptake of about 7% by mass based on the titer of the untreated yarn, at a concentration of 15% by mass.
- the yarn absorbs about 17% by mass of stabilizer.
- Subsequent aging tests are carried out according to Methods A and B (20 min at 240 ° C, air or nitrogen). The maximum tensile forces and degrees of polymerization measured after thermal stress are shown graphically in FIG. 3.
- Z100-twisted rayon multifilament yarn (f1350) having a fineness of 2440 dtex is impregnated at room temperature with a stabilizer solution according to the invention and then dried.
- a stabilizer concentration in the dipping solution of 2% by mass stabilizer uptake of about 7% by mass based on the titer of the untreated yarn is achieved, at a concentration of 20% by mass, the yarn absorbs about 19% by mass of stabilizer .
- Subsequent aging tests are carried out according to method C (7 days at 150 ° C). The maximum tensile forces and degrees of polymerization measured after thermal stress are shown graphically in FIG. 4.
- Z100-twisted rayon multifilament yarn (f1350) having a fineness of 2440 dtex is impregnated at room temperature with a stabilizer solution according to the invention and then dried.
- the aqueous immersion solutions have a constant stabilizer content of 10%, but vary from pH 9 to 12.
- Subsequent aging tests are carried out according to Methods A and B (20 min at 240 ° C, air or nitrogen).
- the maximum tensile forces and degrees of polymerization measured after thermal stress are shown graphically in FIG.
- the residual strength and residual polymerization after thermal stress depend not only on the concentration but also on the pH of the stabilizer dispersion.
- the best properties after aging show yarns which have been impregnated with dip solutions at pH 1 1. While the strengths after impregnation at pH 12 are still comparable to the values at pH 1 1, the more sensitive degree of polymerization is already off the plateau.
- the effectiveness of the formulation as a processing stabilizer can thus be further optimized by adjusting the pH.
- Z100-twisted rayon multifilament yarn (f1350) having a fineness of 2440 dtex is impregnated at room temperature with a stabilizer solution according to the invention and then dried.
- the aqueous immersion solutions have a constant stabilizer content of 10% but vary from pH 9 to 12.
- Subsequent aging tests are carried out according to the method C performed (7 days at 150 ° C).
- the highest tensile forces and degrees of polymerization measured after thermal stress are shown graphically in FIG.
- the residual strength and residual polymerization after thermal stress depend not only on the concentration but also on the pH of the stabilizer dispersion. While the strengths in the short-term test remain stable up to pH 12 after impregnation, the optimum in the long-term test is between pH 10 and 11. By adjusting the pH, the effectiveness of the stabilizer can therefore also be optimized for applications with elevated continuous service temperatures.
- the strength of the unstabilized fiber is drastically reduced, its average degree of polymerization is below the limit of quantification.
- a fiber with 10 mass% stabilizer achieves a three times higher residual strength compared to the unstabilized fiber thermal load under air.
- An increase of the stabilizer content to 15% by mass results in this experiment also a disproportionate increase in the residual strength as well as the degree of polymerization in the long-term aging test.
- the stabilizer according to the invention therefore has in optimal composition and concentration the potential to equip cellulosic products for applications with increased continuous service temperatures of 150 ° C and more.
- a 10% by mass urea solution is added so that the total concentration of urea in the batch is about 7% by weight.
- the mixture is post-condensed in the presence of urea overnight.
- the total amount of adhesion promoter and stabilizer applied is about 6-7% by mass.
- the total amount of adhesion promoter and stabilizer applied is about 7-8% by mass.
- Subsequent aging tests are carried out according to Method D (168 hours in a wide-mouth bottle at 150 ° C).
- the adhesion values before thermal stress and the maximum tensile forces before and after thermal stress are shown graphically in FIG. 11.
- the adhesion value determined in peel tests remains at a good level despite stabilizer addition and is still about 85% of the peel force of the unstabilized adhesion-impregnated sample.
- the initial strength of the stabilized, unaged fiber is slightly lower than that of an unstabilized sample. However, 96% of this strength remains after 168 hours of aging at 150 ° C.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13737548.1A EP2831334B1 (de) | 2012-03-27 | 2013-03-27 | Cellulosische filamente mit verbesserter thermostabilität |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12161478 | 2012-03-27 | ||
EP13737548.1A EP2831334B1 (de) | 2012-03-27 | 2013-03-27 | Cellulosische filamente mit verbesserter thermostabilität |
PCT/EP2013/056629 WO2013144261A2 (de) | 2012-03-27 | 2013-03-27 | Cellulosische filamente mit verbesserter thermostabilität |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2831334A2 true EP2831334A2 (de) | 2015-02-04 |
EP2831334B1 EP2831334B1 (de) | 2018-05-16 |
Family
ID=48794043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13737548.1A Active EP2831334B1 (de) | 2012-03-27 | 2013-03-27 | Cellulosische filamente mit verbesserter thermostabilität |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2831334B1 (de) |
WO (1) | WO2013144261A2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116377620A (zh) * | 2023-03-20 | 2023-07-04 | 东华大学 | 一种有序介孔碳空心柔性纤维的制备方法及其在钠离子电池中的应用 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2278285A (en) * | 1938-06-16 | 1942-03-31 | Du Pont | Stabilized cellulose yarns and method of preparing same |
GB545716A (en) * | 1940-02-17 | 1942-06-09 | Us Rubber Co | Process for improving the tensile strength of cotton yarns and cords such as tyre cords |
LU34089A1 (de) * | 1955-05-23 | |||
US2964470A (en) * | 1956-03-19 | 1960-12-13 | American Viscose Corp | Tire cord fiber lubricant |
GB1211226A (en) * | 1967-03-28 | 1970-11-04 | Dunlop Co Ltd | Improvements in and relating to adhesive compositions |
-
2013
- 2013-03-27 EP EP13737548.1A patent/EP2831334B1/de active Active
- 2013-03-27 WO PCT/EP2013/056629 patent/WO2013144261A2/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2013144261A2 * |
Also Published As
Publication number | Publication date |
---|---|
EP2831334B1 (de) | 2018-05-16 |
WO2013144261A3 (de) | 2013-11-14 |
WO2013144261A2 (de) | 2013-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE1260770C2 (de) | Verstaerkungsmittel fuer kautschuk | |
DE69520814T2 (de) | Klebstoffzusammensetzungen für Gummi und Fasern; synthetische Fasern zur Gummiverstärkung und faserverstärkte Gummistrukturen | |
EP2812471B1 (de) | Bändchengarn | |
DE69612863T2 (de) | Cellulosefasern mit hoher bruchdehnung und deren herstellungsverfahren | |
EP2268857B1 (de) | Cellulosische formkörper | |
DE69419382T2 (de) | Zusammensetzung aus zelluloseformiat, die faser oder filme bilden kann | |
KR100721443B1 (ko) | 고무보강용 셀룰로오스 열처리 코드 | |
EP1726691B1 (de) | Cord hergestellt aus einem Multifilament-Aramidgarn mit hoher Ermüdungsfestigkeit | |
EP2423185B1 (de) | Neuartige wässrige resorcin-formaldehyd-latex-dispersionen, haftungsverbesserte fasern, verfahren zu deren herstellung und deren verwendung | |
DE68915577T3 (de) | Verfahren zur Herstellung von Poly(p-phenylenterephthalamid)garn mit verbessertem Ermüdungswiderstand | |
DE69516975T2 (de) | Zusammensetzung enthaltend celluloseformiat, das fähig ist ein elastisches und thermorerversibles gel zu bilden | |
CN114277573A (zh) | 粘合剂及其处理的纤维、纺织面料制品、复合材料及制品 | |
EP2831334B1 (de) | Cellulosische filamente mit verbesserter thermostabilität | |
EP3143187B1 (de) | Verfahren zur herstellung von carbonfasern aus cellulosefasern | |
DE2064969A1 (de) | Radialreifen. Ausscheidung aus: 2055320 | |
EP4006217A1 (de) | Gummierter festigkeitsträger für elastomere erzeugnisse, insbesondere fahrzeugreifen, wobei der festigkeitsträger wenigstens ein erstes garn aufweist, verfahren zur herstellung des gummierten festigkeitsträgers und fahrzeugreifen aufweisend wenigstens einen gummierten festigkeitsträger | |
EP3771755A1 (de) | Verfahren zur herstellung von lyocell-stapelfasern | |
WO1996007779A1 (de) | Verfahren zur herstellung cellulosischer formkörper | |
JPS6173733A (ja) | 付着性の改良されたポリエステル繊維製品の製造方法 | |
DE3601126C2 (de) | ||
EP2155817B1 (de) | Auf cellulose basierendes garn und herstellungsverfahren dafür | |
WO1984003707A1 (en) | Composition and method for preadhering polyester yarns | |
EP2951339B1 (de) | Hochfestes viskose-multifilamentgarn mit niedrigem garntiter | |
KR100630265B1 (ko) | 라이오셀 가교섬유 및 제조방법 | |
EP2294259B1 (de) | Cellulosefaser und verfahren zu ihrer herstellung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
17P | Request for examination filed |
Effective date: 20141027 |
|
AK | Designated contracting states |
Kind code of ref document: A2 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 |
|
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: 20170519 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R079 Ref document number: 502013010160 Country of ref document: DE Free format text: PREVIOUS MAIN CLASS: D06M0013144000 Ipc: D06M0015530000 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: D01F 11/02 20060101ALI20171127BHEP Ipc: D06M 13/432 20060101ALI20171127BHEP Ipc: D02G 3/48 20060101ALI20171127BHEP Ipc: D06M 101/06 20060101ALI20171127BHEP Ipc: D06M 13/17 20060101ALI20171127BHEP Ipc: C08J 5/06 20060101ALI20171127BHEP Ipc: D06B 1/00 20060101ALI20171127BHEP Ipc: D06M 15/53 20060101AFI20171127BHEP Ipc: D06M 13/144 20060101ALI20171127BHEP Ipc: B29D 30/40 20060101ALI20171127BHEP |
|
INTG | Intention to grant announced |
Effective date: 20171215 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
AK | Designated contracting states |
Kind code of ref document: B1 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 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502013010160 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 999670 Country of ref document: AT Kind code of ref document: T Effective date: 20180615 |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20180516 |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180816 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180816 Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180817 Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 Ref country code: RS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502013010160 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SM Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20190219 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 |
|
REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20190331 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190327 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190331 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190331 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190331 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180917 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MM01 Ref document number: 999670 Country of ref document: AT Kind code of ref document: T Effective date: 20190327 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190327 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180916 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO Effective date: 20130327 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20180516 |
|
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230705 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: LU Payment date: 20240320 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CZ Payment date: 20240222 Year of fee payment: 12 Ref country code: GB Payment date: 20240320 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: TR Payment date: 20240321 Year of fee payment: 12 Ref country code: IT Payment date: 20240327 Year of fee payment: 12 Ref country code: FR Payment date: 20240321 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20240403 Year of fee payment: 12 |