WO2014050962A1 - 組紐 - Google Patents
組紐 Download PDFInfo
- Publication number
- WO2014050962A1 WO2014050962A1 PCT/JP2013/076052 JP2013076052W WO2014050962A1 WO 2014050962 A1 WO2014050962 A1 WO 2014050962A1 JP 2013076052 W JP2013076052 W JP 2013076052W WO 2014050962 A1 WO2014050962 A1 WO 2014050962A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- braid
- less
- dtex
- polyethylene
- fiber
- Prior art date
Links
- 239000000835 fiber Substances 0.000 claims abstract description 164
- -1 polyethylene Polymers 0.000 claims abstract description 85
- 239000004698 Polyethylene Substances 0.000 claims abstract description 81
- 229920000573 polyethylene Polymers 0.000 claims abstract description 81
- 238000003860 storage Methods 0.000 claims abstract description 16
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000005977 Ethylene Substances 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims description 57
- 238000000034 method Methods 0.000 claims description 50
- 238000001816 cooling Methods 0.000 claims description 28
- 238000004804 winding Methods 0.000 claims description 21
- 230000014759 maintenance of location Effects 0.000 claims description 15
- 230000005484 gravity Effects 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 230000000930 thermomechanical effect Effects 0.000 claims description 5
- 230000000704 physical effect Effects 0.000 abstract description 23
- 239000000463 material Substances 0.000 abstract description 15
- 230000007774 longterm Effects 0.000 abstract description 9
- 241000251468 Actinopterygii Species 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 4
- 239000002904 solvent Substances 0.000 description 26
- 239000000047 product Substances 0.000 description 25
- 238000005259 measurement Methods 0.000 description 22
- 230000035882 stress Effects 0.000 description 22
- 238000012545 processing Methods 0.000 description 14
- 239000007788 liquid Substances 0.000 description 12
- 238000009987 spinning Methods 0.000 description 12
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 10
- 208000012886 Vertigo Diseases 0.000 description 10
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 10
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000006185 dispersion Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 9
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 238000009954 braiding Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 239000013078 crystal Substances 0.000 description 7
- 229920000728 polyester Polymers 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 239000013557 residual solvent Substances 0.000 description 6
- 239000001993 wax Substances 0.000 description 6
- 239000012188 paraffin wax Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 229920001903 high density polyethylene Polymers 0.000 description 4
- 239000004700 high-density polyethylene Substances 0.000 description 4
- 229920001519 homopolymer Polymers 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 230000008646 thermal stress Effects 0.000 description 4
- 239000004711 α-olefin Substances 0.000 description 4
- PBKONEOXTCPAFI-UHFFFAOYSA-N 1,2,4-trichlorobenzene Chemical compound ClC1=CC=C(Cl)C(Cl)=C1 PBKONEOXTCPAFI-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 235000013372 meat Nutrition 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- JXTPJDDICSTXJX-UHFFFAOYSA-N n-Triacontane Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC JXTPJDDICSTXJX-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 239000010734 process oil Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- BOSAWIQFTJIYIS-UHFFFAOYSA-N 1,1,1-trichloro-2,2,2-trifluoroethane Chemical compound FC(F)(F)C(Cl)(Cl)Cl BOSAWIQFTJIYIS-UHFFFAOYSA-N 0.000 description 2
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 2
- CFXQEHVMCRXUSD-UHFFFAOYSA-N 1,2,3-Trichloropropane Chemical compound ClCC(Cl)CCl CFXQEHVMCRXUSD-UHFFFAOYSA-N 0.000 description 2
- KVNYFPKFSJIPBJ-UHFFFAOYSA-N 1,2-diethylbenzene Chemical compound CCC1=CC=CC=C1CC KVNYFPKFSJIPBJ-UHFFFAOYSA-N 0.000 description 2
- QPUYECUOLPXSFR-UHFFFAOYSA-N 1-methylnaphthalene Chemical compound C1=CC=C2C(C)=CC=CC2=C1 QPUYECUOLPXSFR-UHFFFAOYSA-N 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- PWATWSYOIIXYMA-UHFFFAOYSA-N Pentylbenzene Chemical compound CCCCCC1=CC=CC=C1 PWATWSYOIIXYMA-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 description 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 2
- HOWGUJZVBDQJKV-UHFFFAOYSA-N docosane Chemical compound CCCCCCCCCCCCCCCCCCCCCC HOWGUJZVBDQJKV-UHFFFAOYSA-N 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000012784 inorganic fiber Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- RZJRJXONCZWCBN-UHFFFAOYSA-N octadecane Chemical compound CCCCCCCCCCCCCCCCCC RZJRJXONCZWCBN-UHFFFAOYSA-N 0.000 description 2
- HFPZCAJZSCWRBC-UHFFFAOYSA-N p-cymene Chemical compound CC(C)C1=CC=C(C)C=C1 HFPZCAJZSCWRBC-UHFFFAOYSA-N 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- POOSGDOYLQNASK-UHFFFAOYSA-N tetracosane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCC POOSGDOYLQNASK-UHFFFAOYSA-N 0.000 description 2
- BGHCVCJVXZWKCC-UHFFFAOYSA-N tetradecane Chemical compound CCCCCCCCCCCCCC BGHCVCJVXZWKCC-UHFFFAOYSA-N 0.000 description 2
- FIGVVZUWCLSUEI-UHFFFAOYSA-N tricosane Chemical compound CCCCCCCCCCCCCCCCCCCCCCC FIGVVZUWCLSUEI-UHFFFAOYSA-N 0.000 description 2
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- ZMXIYERNXPIYFR-UHFFFAOYSA-N 1-ethylnaphthalene Chemical compound C1=CC=C2C(CC)=CC=CC2=C1 ZMXIYERNXPIYFR-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 compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- CNGYZEMWVAWWOB-VAWYXSNFSA-N 5-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-[(e)-2-[4-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid Chemical compound N=1C(NC=2C=C(C(\C=C\C=3C(=CC(NC=4N=C(N=C(NC=5C=CC=CC=5)N=4)N(CCO)CCO)=CC=3)S(O)(=O)=O)=CC=2)S(O)(=O)=O)=NC(N(CCO)CCO)=NC=1NC1=CC=CC=C1 CNGYZEMWVAWWOB-VAWYXSNFSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- RJTJVVYSTUQWNI-UHFFFAOYSA-N beta-ethyl naphthalene Natural products C1=CC=CC2=CC(CC)=CC=C21 RJTJVVYSTUQWNI-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- HHNHBFLGXIUXCM-GFCCVEGCSA-N cyclohexylbenzene Chemical compound [CH]1CCCC[C@@H]1C1=CC=CC=C1 HHNHBFLGXIUXCM-GFCCVEGCSA-N 0.000 description 1
- WVIIMZNLDWSIRH-UHFFFAOYSA-N cyclohexylcyclohexane Chemical group C1CCCCC1C1CCCCC1 WVIIMZNLDWSIRH-UHFFFAOYSA-N 0.000 description 1
- 229940117389 dichlorobenzene Drugs 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- KWKXNDCHNDYVRT-UHFFFAOYSA-N dodecylbenzene Chemical compound CCCCCCCCCCCCC1=CC=CC=C1 KWKXNDCHNDYVRT-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- BXKDSDJJOVIHMX-UHFFFAOYSA-N edrophonium chloride Chemical compound [Cl-].CC[N+](C)(C)C1=CC=CC(O)=C1 BXKDSDJJOVIHMX-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000001891 gel spinning Methods 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- YCOZIPAWZNQLMR-UHFFFAOYSA-N heptane - octane Natural products CCCCCCCCCCCCCCC YCOZIPAWZNQLMR-UHFFFAOYSA-N 0.000 description 1
- VHHHONWQHHHLTI-UHFFFAOYSA-N hexachloroethane Chemical compound ClC(Cl)(Cl)C(Cl)(Cl)Cl VHHHONWQHHHLTI-UHFFFAOYSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000005300 metallic glass Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- YDLYQMBWCWFRAI-UHFFFAOYSA-N n-Hexatriacontane Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC YDLYQMBWCWFRAI-UHFFFAOYSA-N 0.000 description 1
- 229940094933 n-dodecane Drugs 0.000 description 1
- 230000000414 obstructive effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- BNIXVQGCZULYKV-UHFFFAOYSA-N pentachloroethane Chemical compound ClC(Cl)C(Cl)(Cl)Cl BNIXVQGCZULYKV-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007573 shrinkage measurement Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- OLTHARGIAFTREU-UHFFFAOYSA-N triacontane Natural products CCCCCCCCCCCCCCCCCCCCC(C)CCCCCCCC OLTHARGIAFTREU-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 1
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical compound [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/02—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof made from particular materials
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K91/00—Lines
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/06—Braid or lace serving particular purposes
- D04C1/12—Cords, lines, or tows
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
- D07B1/025—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics comprising high modulus, or high tenacity, polymer filaments or fibres, e.g. liquid-crystal polymers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/1096—Rope or cable structures braided
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2001—Wires or filaments
- D07B2201/2002—Wires or filaments characterised by their cross-sectional shape
- D07B2201/2003—Wires or filaments characterised by their cross-sectional shape flat
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2001—Wires or filaments
- D07B2201/2009—Wires or filaments characterised by the materials used
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/20—Organic high polymers
- D07B2205/201—Polyolefins
- D07B2205/2014—High performance polyolefins, e.g. Dyneema or Spectra
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/04—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons
Definitions
- the present invention relates to a braid having high dimensional stability even during high-temperature storage and use for a long period of time, and small fluctuations in mechanical properties over time. Furthermore, blind cords, pleated cords, pleated screen door cords, curtain cords, shading screens, and other interior cord nets, concrete reinforcements, fishing lines, protective materials, bulletproof materials, surgical sutures, meat fastening threads,
- the present invention relates to safety gloves, safety ropes, fishing ropes, finishing ropes, mooring ropes, tow ropes, archstrings, and substrates for collecting organic and inorganic substances.
- the braid made of multifilament or monofilament is used for many purposes such as fishing lines, blind cords, ropes. As the use of these braids is diversified, the functionality of braids that meet the required characteristics of products is required.
- conventionally known fishing lines include yarns made of synthetic fibers made of polyamide, polyester, polyolefin, etc., and yarns made of metal fibers made of stainless steel, tungsten metal, amorphous metal, etc. It has been known.
- the fishing line is required to have various characteristics depending on the type of fish to be caught and the fishing method. In general, it is desirable that the fishing line is thin and has high strength.
- fishing lines having high strength and high elasticity are used by using braids composed of ultrahigh molecular weight polyethylene fibers prepared by a so-called gel spinning method (see, for example, Patent Documents 1 and 2).
- fishing lines made of ultra high molecular weight polyethylene fibers according to these inventions are excellent fishing lines in terms of high strength and high elastic modulus, but there are problems in terms of actual use and changes in dimensional stability and mechanical properties over time. there were.
- An object of the present invention is to solve the above-mentioned conventional problems.
- the fiber is produced through a spinning and drawing process, and not only the forming process at this time is appropriately controlled, but also the cooling process after the drawing process, and not only the tension during winding after the cooling process, but also the fiber.
- By using and stringing and precisely controlling the temperature and tension in the stringing process it has high dimensional stability and high mechanical property retention even during long-term use and storage, fishing line, net, rope, protection
- the object is to provide a high-performance braid that can be used as a cover.
- the inventors have obtained not only the deformation conditions during spinning and drawing in the solid state, the cooling conditions after the drawing process, and the winding conditions, but also the temperature conditions and tension conditions in the stringing process for creating braids.
- the present invention has been completed.
- Intrinsic viscosity [ ⁇ ] is 5.0 dL / g or more and 30 dL / g or less, including polyethylene fiber or polyethylene tape whose repeating unit is 90% or more, and having a heat shrinkage rate after 240 hours in an 80 ° C. environment. A braid characterized by being 0.45% or more and 8.00% or less.
- Intrinsic viscosity [ ⁇ ] is 5.0 dL / g or more and 30 dL / g or less, including a polyethylene fiber or a polyethylene tape whose repeating unit is 90% or more, and having a tensile strength retention after 240 hours in an 80 ° C. environment
- Intrinsic viscosity [ ⁇ ] is 5.0 dL / g or more and 30 dL / g or less, the repeating unit is 90% or more ethylene, and is measured by a solid viscoelasticity measuring apparatus after being unwound from braid, at 30 ° C. or more and 80 ° C. or less.
- the intrinsic viscosity [ ⁇ ] is 5.0 dL / g or more and 30 dL / g or less, the repeating unit is composed of 90% or more ethylene, and 30 ° C. or more and 80 ° C. measured with a thermomechanical analyzer (TMA) after being unwound from the braid.
- TMA thermomechanical analyzer
- a braid composed of one or more polyethylene fibers having a shrinkage stress of 5.0 cN / dtex or less in the following. 9.
- 12 A fishing line using the braid described in any one of 1 to 11 above.
- 13 A rope using the braid according to any one of 1 to 11 above.
- Intrinsic viscosity [ ⁇ ] is 5.0 dL / g or more and 30 dL / g or less, the polyethylene is made of polyethylene having a repeating unit of 90% or more and drawn at a temperature of 80 ° C. or more, and then the drawn yarn is cooled.
- the braid of the present invention is characterized by high dimensional stability over a wide range of product use temperatures, and small changes in physical properties over actual use and over time.
- fishing line using this braid blind cord, pleated cord, pleated screen door cord, curtain cord, shading screen and other interior cord nets that require lifting, opening and closing, protective materials, surgical sutures, meat fastening yarns It exhibits excellent performance as safety gloves, safety ropes, fishing ropes, finishing ropes, and bowstrings.
- the braid of the present invention is not limited to the above-mentioned molded product, and exhibits excellent performance as a base material for collecting organic substances and inorganic substances by combining with various materials and a base material for water retention, and can be widely applied. Is.
- the tensile strength of the polyethylene fiber used for the braid is preferably 13 cN / dtex or more. More preferably, it is 20 cN / dtex or more, and further preferably 25 cN / dtex or more.
- the upper limit of the tensile strength is not particularly limited, but it is technically and industrially difficult to obtain a polyethylene fiber having a tensile strength exceeding 60 cN / dtex.
- the initial elastic modulus is preferably 250 cN / dtex or more and 2300 cN / dtex or less.
- it is 350 cN / dtex or more, More preferably, it is 550 cN / dtex or more, More preferably, it is 1800 cN / dtex or less, More preferably, it is 1600 cN / dtex or less. If it has such tensile strength and initial elastic modulus, it is difficult for the external force received in the product processing process to break. The method for measuring the tensile strength and the initial elastic modulus will be described in detail in Examples.
- the intrinsic strength of the high-strength polyethylene fiber constituting the braid of the present invention is preferably 5.0 to 30 dL / g, more preferably 7.0 to 28 dL / g, and more preferably 10 to 24 dL / g.
- the intrinsic viscosity is 4.9 dL / g or less, it is excellent in dimensional stability, a change in mechanical properties over time is small, and a fiber having a strength of 10 cN / dtex or more cannot be obtained.
- the intrinsic viscosity exceeds 30 dL / g, it is not preferable because it becomes very difficult to form into a fiber.
- the intrinsic viscosity By setting the intrinsic viscosity to 5.0 dL / g or more, the number of structural defects in the product can be reduced due to a decrease in molecular end groups of polyethylene. Therefore, mechanical properties such as strength and elastic modulus and wear resistance can be improved.
- the polyethylene preferably has a weight average molecular weight of 700,000 to 8,000,000. More preferably, it is 800,000 or more and 7 million or less, More preferably, it is 900,000 or more and 6 million or less.
- a braid having a weight average molecular weight of less than 700,000 not only is the fiber fluff easily generated due to local rubbing, but it is difficult to obtain the tensile strength and elastic modulus described later as a braid. Therefore, it is not preferable. Further, when the weight average molecular weight exceeds 8 million, not only is it difficult to obtain a yarn even by solution molding, which is an example of the production method of the present invention, but the obtained yarn itself is not flexible, so a fishing line used as a braid.
- the high-strength polyethylene fiber constituting the braid of the present invention preferably has a repeating unit substantially ethylene. Further, within the range where the effects of the present invention can be obtained, not only ethylene homopolymer but also ethylene and a small amount of other monomers such as ⁇ -olefin, acrylic acid and its derivatives, methacrylic acid and its derivatives, vinylsilane and its Copolymers with derivatives and the like can be used. These may be copolymers, copolymers with ethylene homopolymers, and blends with other homopolymers such as ⁇ -olefins, and have partial crosslinking. Also good.
- the intrinsic viscosity of the fiber required by the method described later satisfies the above range, for example, a polyethylene having a different weight average molecular weight including a blend of high density polyethylene and ultrahigh molecular weight polyethylene, a blend of low density polyethylene and ultrahigh molecular weight polyethylene A blend of low density polyethylene, high density polyethylene and ultrahigh molecular weight polyethylene may also be used. Moreover, the blend of the ultra high molecular weight polyethylene from which 2 or more types of weight average molecular weights differ may be sufficient. Moreover, if the intrinsic viscosity of the fiber calculated
- the other monomer such as ⁇ -olefin is preferably 5.0 mol% or less, more preferably 1.0 mol% or less, and still more preferably 0.2 mol in terms of monomer units. % Or less.
- it may be a homopolymer of ethylene alone.
- the production method of the high-strength polyethylene fiber constituting the braid of the present invention is not particularly limited, but the following solution molding method is preferable.
- Several known solution molding methods are known and are not particularly limited.
- fiber is prepared by dissolving polyethylene in a volatile organic solvent such as decalin / tetralin or a non-volatile solvent such as paraffin, which is a solvent for polyethylene. It is preferable to use a solution spinning method in which the film is formed into a shape.
- a melt extrusion method or a method of splitting (cutting) a film-like molded body obtained by compression molding at a melting point or lower to form a tape or fiber may be used.
- the solvent used in the production of the polyethylene fiber in the present invention is a solvent capable of dissolving the polyethylene, preferably a solvent having a melting point of the polyethylene or higher, more preferably a melting point of the polyethylene of + 20 ° C. or higher.
- solvents include n-nonane, n-decane, n-undecane, n-dodecane, n-tetradecane, n-octadecane, liquid paraffin, kerosene, etc. in addition to the above-mentioned decalin, tetralin, and paraffin.
- Aliphatic hydrocarbon solvents such as xylene, naphthalene, tetralin, butylbenzene, p-cymene, cyclohexylbenzene, diethylbenzene, pentylbenzene, dodecylbenzene, bicyclohexyl, methylnaphthalene, ethylnaphthalene, or hydrogen Halogenated hydrocarbon solvents such as halogenated derivatives, 1,1,2,2-tetrachloroethane, pentachloroethane, hexachloroethane, 1,2,3-trichloropropane, dichlorobenzene, 1,2,4-trichlorobenzene, bromobenzene , Pa Fin type process oil, naphthenic process oil, mineral oils such as aromatic process oils.
- the paraffin wax is not particularly limited to a compound composed of only carbon and hydrogen, and may contain a small amount of oxygen and other elements.
- the paraffinic wax is mainly composed of a saturated fatty acid hydrocarbon compound, specifically, an n-alkane having 22 or more carbon atoms such as docosane, tricosane, tetracosane, triacontane, etc. or lower n containing these as a main component.
- paraffin wax separated and refined from petroleum medium / low pressure polyethylene wax which is a low molecular weight polymer obtained by copolymerizing ethylene or ethylene and other ⁇ -olefins, high pressure method
- medium / low pressure polyethylene wax which is a low molecular weight polymer obtained by copolymerizing ethylene or ethylene and other ⁇ -olefins
- high pressure method Polyethylene wax, ethylene copolymer wax or medium / low pressure polyethylene, high pressure polyethylene, etc., wax whose molecular weight has been reduced by thermal modification, etc.
- a wax etc. are mentioned.
- the concentration at the time of dissolving polyethylene is preferably 0.5 wt% or more and 40 wt% or less, more preferably 2.0 wt% or more and 30 wt% or less, and further preferably 4.0 wt% or more and 20 wt% or less.
- concentration of polyethylene is less than 0.5 wt%, the production efficiency is very bad, which is not preferable.
- concentration of polyethylene exceeds 40 wt%, it is not preferable because the molecular weight is very large, and it becomes difficult to discharge from a nozzle described later in the solution spinning method.
- the high-performance polyethylene fiber constituting the braid of the present invention is extruded after uniform dissolution at 10 ° C. or higher, preferably 20 ° C. or higher, more preferably 30 ° C. or higher than the melting point by using an extruder or the like, It supplies to a spinning nozzle (spinneret) using a fixed supply device.
- discharge is performed at a discharge rate of 0.1 g / min or more from a nozzle orifice having a diameter of 0.2 to 3.5 mm, preferably 0.5 to 2.5 mm.
- the discharge molded body is cooled to 5 to 60 ° C. and then taken up at 800 m / min or less.
- the spinneret temperature is preferably 10 ° C. or higher from the melting point of polyethylene and lower than the boiling point of the solvent used. In the temperature range near the melting point of polyethylene, the viscosity of the polymer is too high and cannot be taken up at a rapid rate.
- the cooling method may be a dry quench method using an inert gas such as air or nitrogen, or a cooling method using a miscible liquid or an immiscible liquid such as water.
- the deformed gel yarn is deformed at a magnification of 1.1 times or more and 100 times or less until the discharge gel yarn is thinned in the cooling step.
- they are 2.0 times or more and 80 times or less, More preferably, they are 5.0 times or more and 50 times or less.
- it is important that the time required for deformation is within 3 minutes.
- relaxation of the polyethylene molecular chain inside the discharged gel yarn occurs, and not only a braid of high strength and high modulus can be obtained, but also the characteristic of the braid of the present invention It is impossible to achieve both the characteristic dimensional stability and high tensile strength and elastic modulus. Therefore, it is not preferable because it is impossible to obtain a physical property retention ratio with little change with time, which is required in such applications.
- part of the solvent in the discharged gel yarn may be removed during the deformation process of the discharged gel yarn.
- the undrawn yarn obtained by cooling is heated, drawn several times while removing the solvent, and in some cases, multistage drawing is performed.
- the solvent removal means the heating method described above may be used in the case of a volatile solvent, but the extraction method using an extractant or the like may be used in the case of using a non-volatile solvent.
- the extractant for example, chloroform, benzene, trichlorotrifluoroethane (TCTFE), hexane, heptane, nonane, decane, ethanol, higher alcohol and the like can be used.
- stretching process may use inert gas, such as air and nitrogen, water vapor
- inert gas such as air and nitrogen, water vapor
- stretch using a heating roller it is not necessary to perform the solvent removal step and the drawing step of the undrawn yarn at the same time, and one or more steps may be drawn after the undrawn yarn is dried.
- one of the important components for producing the braid of the present invention is the residual solvent concentration in the fiber before the stringing process.
- the residual solvent concentration is preferably 0.1 ppm or more and 10,000 ppm or less.
- they are 1 ppm or more and 8000 ppm or less, More preferably, they are 10 ppm or more and 5000 ppm or less. If the residual solvent concentration in the fiber exceeds 10,000 ppm, the relaxation time of molecular chains in the fiber is too fast when heated in the stringing step, and a predetermined tension described later cannot be obtained. If it is less than 0.1 ppm, the relaxation time of the molecular chains in the fiber is slow, the fibers are not sufficiently tightened when heated in the stringing process, the dimensional stability is high, and the mechanical properties are long-term use. This is not preferable because braids with little change over time cannot be obtained.
- a method for stretching a polyethylene fiber is one of the elements.
- the deformation rate during stretching is preferably 0.001 ⁇ 1 or more and 0.8 s ⁇ 1 or less. More preferably, it is 0.01 s ⁇ 1 or more and 0.1 s ⁇ 1 or less.
- the draw ratio of the undrawn yarn is 10 times or more and 60 times or less, preferably 12 times or more and 55 times or less, more preferably 15 times or more and 50 times or less in terms of the total draw ratio regardless of whether the drawing process is a single stage or a multi-stage.
- the polyethylene fiber is preferably stretched at a temperature of not more than the melting point at least once.
- the drawing temperature at the final stage of drawing is such that the temperature of the polyethylene fiber is 80 ° C. or higher and 160 ° C. or lower, preferably 90 ° C. or higher and 158 ° C. or lower. What is necessary is just to set the conditions of a heating apparatus so that a polyethylene fiber may become this temperature at the time of extending
- the yarn temperature can be measured using an infrared camera (SC640 manufactured by FLIR Systems).
- one of the important components of the present invention is a method for drawing the undrawn yarn in a solid state.
- the time required for deformation in the solid state is within 30 minutes. It is preferably within 15 minutes, more preferably within 10 minutes. If the time required for deformation exceeds 30 minutes, even if the predetermined conditions during production described below are maintained, molecular chains within the fiber are relaxed. Shrinkage) cannot be caused, which is not preferable.
- the deformation time in the case of stretching in multiple stages indicates the time at the last stage of stretching.
- An object of the present invention is to provide a braid with little change over time in strength over a long period of time, but as one of the important elements of the present invention to achieve this, the drawing heated to 80 ° C. or higher
- the speed at which the yarn is cooled to 50 ° C. is 3 ° C./sec or more and 500 ° C./sec or less.
- they are 10 degreeC / sec or more and 400 degrees C / sec or less, More preferably, they are 20 degreeC / sec or more and 300 degrees C / sec or less.
- stretching can be maintained by cooling from the temperature at the time of extending
- the temperature is a temperature sufficiently lower than the crystal dispersion temperature of the polyethylene fiber. By setting the temperature to be equal to or lower than this temperature, it becomes possible to express the tightness between the fibers which is important at the time of heat treatment in braid processing described later.
- the drawn yarn is cooled at a rate of less than 3 ° C./sec, the molecular chains of the fibers are relaxed. This is not preferable because the fibers are not tightly tightened in the subsequent string making process, resulting in a braid having poor dimensional stability.
- the cooling rate of the drawn yarn after drawing exceeds 500 ° C./sec, the residual strain of the drawn yarn after cooling becomes too large, resulting in the braid after the stringing process becoming hard.
- a cooling method for example, a water bath of 50 ° C. or lower can be used.
- the cooling method by making it contact with the roller whose surface temperature is 50 degrees C or less, for example may be used. At this time, the surface temperature of the roller may be lowered and the fiber may be cooled as it goes downstream using a plurality of rollers. For example, when cooling with three rollers having different temperatures, the roller surface temperature immediately after stretching is 80 ° C., the second roller surface temperature is 60 ° C., and the third roller surface temperature is 30 ° C. in this order to cool the fibers. You may use the means to do.
- cooling air by air or inert gas may be used, and there is no limitation in obtaining as long as the above cooling rate is satisfied.
- the cooled yarn preferably has a tension of 0.001 cN / dtex or more and 7.0 cN / dtex or less, more preferably 0.05 cN / dtex or more and 3.0 cN / dtex or less.
- Winding is mentioned. By winding in this range, it is possible to wind in a state where the residual strain in the polyethylene fiber is maintained. When the winding tension is less than 0.001 N / dtex, the residual strain becomes small, which is not preferable. Further, if the winding tension is larger than 7.0 cN / dtex, it is not preferable because single fiber breakage is likely to occur.
- the fiber temperature during winding is preferably 60 ° C. or lower. More preferably, it is 50 or less, More preferably, it is 45 degrees C or less. If the temperature at the time of winding exceeds 60 ° C., the residual strain fixed in the cooling step described above is relaxed, which is not preferable.
- the polyethylene fiber described above has a maximum value of heat shrinkage stress before being processed into a braid in a fiber state of 0.05 cN / dtex or more, 5.0 cN / dtex or less, more preferably 0.10 cN / dtex or more, 3.0 cN / dtex or less, more preferably 0.20 cN / dtex or more and 1.0 cN / dtex or less. If the maximum value of heat shrinkage stress is less than 0.05 cN / dtex, the fibers will be weakened even after the heat treatment process during braiding, and stable tensile strength and elastic modulus will be maintained in a wide temperature range during product use. It is not preferable because it cannot be performed.
- the fineness unevenness in the longitudinal direction means that the braid is sampled 10 times continuously every 1 m in the longitudinal direction, and the CV% of the fineness determined from each weight is 15% or less, more preferably 12% or less, and still more preferably 8%. It is as follows.
- the temperature showing the maximum value of the heat shrinkage stress is preferably in the range of 80 ° C. or more and 160 ° C. or less. More preferably, they are 85 degreeC or more and 150 degrees C or less, More preferably, they are 100 degreeC or more and 140 degrees C or less.
- the temperature showing the maximum value of the heat shrinkage stress is less than 80 ° C., it is not preferable that the time from the fiber preparation to the braid preparation is long because dimensional changes and changes in mechanical properties occur in the fiber state.
- the temperature showing the maximum value of the heat shrinkage stress exceeds 160 ° C., it is necessary to increase the heat treatment temperature during the braid processing step, and the braiding of the braid tends to be broken during the processing step, which is not preferable.
- the polyethylene fiber constituting the braid may be twisted, imparted with resin, or colored before processing into the braid or as desired.
- the braid of the present invention is preferably composed of 3 or more fibers, that is, 3 or more fibers. If it is two or less, it does not have a braid shape, and the contact area with the guide or the like becomes large. As a result, the wear resistance is lowered and the smoothness when moving the braid is impaired.
- the braid of the present invention it is necessary that at least one of the fibers constituting the braid is a high-strength polyethylene fiber having the physical properties of the present invention. By using the high-strength polyethylene fiber as the constituent fiber, it is possible to maintain high strength and high elastic modulus, and to reduce dimensional stability and fluctuations in mechanical properties with time.
- the constituent fibers is the high-strength polyethylene fiber
- fibers of other materials such as polyester fiber, polyamide fiber, liquid crystal polyester fiber, polypropylene fiber, acrylic fiber, aramid fiber, metal fiber, inorganic fiber, natural fiber, A composite with recycled fiber may also be used.
- One fiber other than the high-strength polyethylene fiber may be a multifilament, a monofilament, or a composite with a short fiber, and the polyethylene fiber itself is formed into a tape or ribbon shape.
- a split yarn created by splitting the body may be used.
- the single yarn shape of each fiber may be circular or irregular, and can be selected from hollow, flat shape and the like.
- each fiber may be colored or fused, and if desired, an antioxidant, a heat stabilizer, a flame retardant, a surfactant, a fluorescent brightener, a surface modifier, an antibacterial agent
- additives such as a rust inhibitor, a wear control agent, an antistatic agent, a light resistance stabilizer, an ultraviolet absorber, and a plasticizer may be added.
- the tensile strength of the braid is more preferably 8 cN / dtex or more, and still more preferably 20 cN / dtex or more.
- the upper limit of the tensile strength is not particularly limited, but it is technically and industrially difficult to obtain a braid having a tensile strength exceeding 50 cN / dtex.
- the initial elastic modulus is preferably 150 cN / dtex or more and 1800 cN / dtex or less. More preferably, it is 250 cN / dtex or more and 1400 cN / dtex or less, More preferably, it is 350 cN / dtex or more and 1300 cN / dtex or less.
- the stress at 1% elongation of the braid according to the present invention is preferably 0.5 cN / dtex or more and 20 cN / dtex or less. More preferably, it is 0.8 cN / dtex or more and 12 cN / dtex or less, More preferably, it is 1.0 cN / dtex or more and 10 cN / dtex or less.
- the stress at the time of 1% elongation is less than 0.5 cN / dtex, for example, when used as a fishing line, the area around the fish (a bite) is not transmitted to the hand, which is not preferable.
- the braiding angle is 6 to 35 °, preferably 15 to 30 °, more preferably 18 to 25 °. If the braid angle is less than 6 °, the form of the braid becomes unstable, and the cross section tends to be flat. In addition, the stiffness of the braid is low and product performance is significantly impaired. Further, when the braid angle exceeds 35 °, the form is stable, but on the other hand, the retention of the tensile strength of the cord with respect to the tensile strength of the original yarn is not preferable. However, in the present invention, the braid angle is 6 to 35 °. It is not limited to the range.
- the braid of the present invention is made of three or more of the fibers, but is not particularly limited in the present invention, but a braid of 3 or more and 16 or less is preferably used.
- the constituent fibers may include one or more of the above-described polyethylene fibers, and may be configured as long fibers, short fibers, or monofilaments of other materials as long as the mechanical properties of the braid satisfy the above-described range.
- materials for example, not only organic fibers such as polyamide fiber, polyester fiber, liquid crystal polyester fiber, acrylic fiber, and PBO fiber, but also metal fiber and inorganic fiber may be used.
- one of the important components of the present invention is the post-processing method after the above-described stringing step. Specifically, the temperature, time, and tension during the heat treatment process of the braid that has passed through the braiding process described above, and the temperature and tension during the winding process.
- the heat treatment is desirably performed at 70 ° C. or more and 0.1 second or more and 30 minutes or less, preferably 90 ° C., more preferably 100 ° C.
- the upper limit of the treatment temperature is 160 ° C. or less.
- the treatment time is preferably 0.5 seconds or more and 25 minutes or less, more preferably 1.0 seconds or more and 20 minutes or less.
- the treatment time is less than 0.1 seconds, the tightening due to the residual strain of the fiber becomes insufficient, which is not preferable.
- the heat treatment time exceeds 30 minutes, not only is the braid broken easily, but also the desired mechanical properties of the braid cannot be obtained, which is not preferable.
- the tension applied to the braid during heating after braid processing is 0.005 cN / dtex or more and 15 cN / dtex or less. More preferably, it is 0.01 cN / dtex or more and 12 cN / dtex or less, More preferably, it is 0.05 cN / dtex or more and 8 cN / dtex or less.
- the treatment temperature, the treatment time, and the treatment tension are within the above-mentioned ranges of the three elements.
- the tension during processing is larger than the above range, the braid during the process is broken, or the mechanical properties of the obtained braid is lowered, or the dimensional stability is decreased, or the mechanical properties associated with time are decreased.
- the fluctuation becomes large and is not preferable.
- the heating method during the heat treatment is not particularly limited.
- a well-known technique such as a warm bath in which a resin is dispersed or dissolved in water, an oil bath, a hot roller, a radiant panel, a steam jet, or a hot pin is recommended, but is not limited thereto.
- twisting, resin application, or coloring may be performed as desired.
- it may be re-stretched to 1.05 times or more and 15 times or less. When the redrawing ratio is less than 1.05 times, the braid is loosened in the heat treatment step, which is not preferable. Further, when the redrawing ratio exceeds 15 times, the fibers constituting the braid are broken, which is not preferable.
- the temperature at the time of winding the braid of the present invention is 5 ° C. or more lower than the crystal dispersion temperature of the fibers constituting the braid, preferably 10 ° C. or more, more preferably 20 ° C. or more. It is. If the temperature at the time of winding is equal to or higher than the crystal dispersion temperature, residual stress is generated inside the resulting product, and dimensional changes and mechanical properties change occur after commercialization. In addition, the shrinkage stress increases in the region near the crystal dispersion temperature of the fibers that make up the braid from the room temperature assumed as the product's use environment temperature, causing changes in physical properties and dimensions due to environmental changes. This is not preferable because of limitations such as processing conditions and the use temperature range of the final product. Specifically, winding at 50 ° C. or lower is preferable.
- the braid in the present invention has a characteristic that the dimensional change is small even at a high temperature.
- the shrinkage stress in the range of 30 ° C. or higher and 80 ° C. or lower as measured by TMA is preferably 5.0 cN / dtex or lower. More preferably, it is 0.8 cN / dtex or less, More preferably, it is 0.001 cN / dtex or more and 0.7 cN / dtex or less.
- the shrinkage stress exceeds 5.0 cN / dtex, the dimensional change increases.
- the braid in the present invention has a characteristic that the dimensional change is small even during long-term storage or long-term use. Specifically, even if it is continuously used in an environment of 80 ° C. for 240 hours, the heat shrinkage rate is 0.45% to 8%, preferably 0.5% to 6.5%, more preferably It is 0.55% or more and 4% or less. Therefore, dimensional stability can be maintained even when stored for a long time in a warehouse or in a car.
- the braid in the present invention exhibits a good physical property retention rate with little change over time in strength over a long period of time.
- the strength retention rate is 85% or more and 115% or less, preferably 88% or more and 112% or less, more preferably 90% or more even when continuously used in an environment of 80 ° C. for 240 hours. 110% or less.
- the braided cord in the present invention is important for the characteristics of one or more polyethylene fibers constituting the braid after being commercialized in order to maintain the above-described dimensional stability and physical property stability as the braided cord. . Even if the above-described fiber assembling method is performed, if one or more polyethylene fibers constituting the braid do not have the characteristics described below, it is difficult to create the braid as a feature of the present invention. Because there is.
- the storage elastic modulus at 30 ° C. or higher and 80 ° C. or lower as measured by a solid viscoelasticity measuring device after one or more polyethylene fibers constituting the braid product are unwound from the braid is 70 cN / dtex or higher, preferably 90 cN / dtex. As mentioned above, More preferably, it is 110 cN / dtex or more.
- the storage elastic modulus at 30 ° C or higher and lower than 80 ° C measured with a solid viscoelasticity measuring device after unraveling from the braid is less than 70 cN / dtex, it becomes more susceptible to external force when using the product, and the dimensions when using the product for a long time This is not preferable because it causes a change.
- the upper limit of the storage elastic modulus at 30 ° C. or more and 80 ° C. or less is 1500 cN / dtex or less, preferably 1200 cN / dtex or less, more preferably 1000 cN / dtex or less.
- the storage elastic modulus at 30 ° C or more and 80 ° C or less exceeds 1500 cN / dtex, it is difficult to distinguish between fish hits and noises when used as a fishing line because even a slight disturbance is transmitted to the hand as stress. It is not preferable, and it is not preferable because the softness is lost, and a feeling of stiffness is produced when wound on a reel. Furthermore, when used as a blind cord, the suppleness associated with a high storage elastic modulus is impaired, which is not preferable.
- one or more polyethylene fibers constituting the braided product have a shrinkage stress at 30 ° C. or higher and 80 ° C. measured by a thermomechanical analyzer (TMA) after being unwound from the braid is 5.0 cN / dtex or lower. . More preferably, it is 0.8 cN / dtex or less, More preferably, it is 0.001 cN / dtex or more and 0.7 cN / dtex or less.
- one or more polyethylene fibers constituting the braided product have a heat shrinkage rate of 0.45% or more and 5.00% or less after 80 hours at 240C after being unwound from the braid. . More preferably, it is 0.48% or more and 4.95% or less, More preferably, it is 0.50% or more and 4.70% or less.
- the specific gravity of the braid of the present invention is preferably 0.8 g / cm 3 or more and 2.0 g / cm 3 or less. More preferably, it is 0.85 g / cm 3 or more and 1.9 g / cm 3 or less, and further preferably 0.90 g / cm 3 or more and 1.7 g / cm 3 or less.
- the specific gravity is less than 0.8 g / cm 3 , it is not preferable because it is easily affected by tidal currents when used for fishing lines.
- the braid of the present invention has a retention rate of hook strength measured in accordance with JIS L-1013 of 15% or more. More preferably, it is 20% or more, and further preferably 25% or more.
- Intrinsic viscosity Measure the specific viscosity of various dilute solutions with a Ubbelohde-type capillary viscosity tube at 135 ° C decalin, and extrapolate the straight line obtained by the least square approximation of the plot to the viscosity concentration to the origin The intrinsic viscosity was determined from the point. In the measurement, the sample was divided or cut into a length of about 5 mm, 1% by mass of an antioxidant (trade name “Yoshinox BHT” manufactured by Yoshitomi Pharmaceutical) was added to the polymer, and the mixture was heated at 135 ° C. for 24 hours. The measurement solution was prepared by stirring and dissolving.
- TMA / SS120C thermal stress strain measuring device manufactured by Seiko Instruments Inc. was used for measurement.
- An initial load of 0.01764 cN / dtex was applied to a fiber having a length of 20 mm, and the temperature was increased at a rate of temperature increase of 20 ° C./min to obtain a thermal stress measurement result from room temperature (20 ° C.) to the melting point. From this measurement result, the heat shrinkage stress at 30 ° C. to 80 ° C. was obtained.
- the specific gravity of the fiber was measured by a density gradient tube method. (Preparation of density gradient tube) Water is used as the heavy liquid and isopropyl alcohol is used as the light liquid, and the light liquid is poured into the glass tube with memory while being mixed little by little into the heavy liquid. The heavy liquid is present at the bottom of the glass tube. A density gradient tube was prepared so that the ratio of the light liquid increased toward the top of the tube. Next, this density gradient tube was placed in a constant temperature bath at 30 ° C. ⁇ 0.1 ° C. Next, gently put into a density gradient tube made of 5 or more glass balls of known specific gravity (specific gravity are all different), and left to stand for one day, and then measure the distance between each glass ball and the liquid surface.
- a density gradient tube made of 5 or more glass balls of known specific gravity (specific gravity are all different), and left to stand for one day, and then measure the distance between each glass ball and the liquid surface.
- Shrinkage measurement Measured according to JIS L1013 8.18.2 dry heat shrinkage (b) method.
- the measurement fiber sample and braid sample were cut to 70 cm, and marked at 10 cm positions from both ends, that is, so that the sample length was 50 cm.
- the fiber sample and braided sample were heated in a hot air circulation type heating furnace at a temperature of 80 ° C. for 240 hours in a suspended state so that an excessive load was not applied.
- the fiber sample was taken out from the heating furnace, and after slowly cooling to room temperature, the length of the position where the fiber sample and the braided sample were initially marked was measured.
- the shrinkage rate can be obtained from the following equation.
- Shrinkage rate (%) 100 ⁇ (length of fiber sample and braid sample before heating ⁇ length of fiber sample and braid sample after heating) / (length of fiber sample and braid sample before heating)
- each value used the average value of 2 times of measured values.
- the amount of strain was 0.04%, the initial load at the start of measurement was 0.1 cN / dtex, and the force track was 350%.
- the measurement frequency was 11 Hz.
- T.W. A. “TA Universal Analysis” manufactured by Instrument Co., Ltd. was used.
- the storage elastic modulus in 30 degreeC or more and 80 degrees C or less was calculated
- Example 1 A dispersion of ultrahigh molecular weight polyethylene and decalin having an intrinsic viscosity of 17.0 dL / g and a weight average molecular weight of 2,800,000 was prepared at a polyethylene concentration of 9.0 wt%. This dispersion was made into a solution at 205 ° C. with an extruder, and a polyethylene solution was discharged from a spinneret having an orifice diameter of 1.0 mm and 30 holes at a nozzle surface temperature of 180 ° C. and a single hole discharge rate of 2.0 g / min. The discharged yarn was deformed by 16 times until solidified and cooled with a 30 ° C. water-cooled bath to obtain an undrawn yarn.
- the time required for the deformation at this time is 0.1 minute.
- the undrawn yarn was drawn 4.0 times while being heated and dried with hot air at 120 ° C.
- it was stretched 4.1 times with hot air of 150 ° C. for 40 seconds, continuously cooled rapidly using a water bath, and the stretched yarn was immediately cooled and wound.
- the cooling rate to 50 ° C. at this time was 20 ° C./sec.
- the temperature when winding the drawn yarn was 30 ° C., and the tension was 0.10 cN / dtex.
- These stretching steps were performed continuously.
- the undrawn yarn was stringed into four pieces and subsequently heat treated at 144 ° C. and a tension of 1.900 cN / dtex for 4 minutes. At this time, heat treatment was performed while stretching the braid 2.1 times. After the heat treatment, the heat-treated braid was wound up at 32 ° C. Tables 1 and 2 show the physical properties of the obtained fibers and braids.
- Example 2 In Example 1, the time required for the drawn yarn to enter the water bath for rapid cooling is shortened, the cooling rate after drawing is set to 50 ° C./sec, the winding tension of the fiber is 0.18 cN / dtex, and braid forming The tension during the subsequent heat treatment was 2.05 cN / dtex, the draw ratio during the braid heat treatment was 2.4 times, and the heat-treated braid was wound up at 40 ° C. after the heat treatment, in the same manner as in Example 1. I got a braid. Tables 1 and 2 show the physical properties of the obtained fibers and braids.
- Example 3 In Example 1, the polymer concentration was 8 wt%, the deformation ratio during spinning was 24 times, the deformation time was 0.3 minutes, the first stage draw ratio was 4.5 times, and the second stage draw ratio was 4.5 times.
- a braid was obtained in the same manner as in Example 1, except that the stretching deformation time was 38 seconds, the heat treatment tension after forming the braid was 3.95 cN / dtex, and the magnification was 1.8 times.
- Tables 1 and 2 show the physical properties of the obtained fibers and braids.
- Example 4 In Example 1, the fiber after spinning drawing was cooled at a rate of 150 ° C./sec using a roller, and as the heat treatment conditions after forming the braid, the heat treatment temperature was 149 ° C., the heat treatment time was 6 minutes, A braid was obtained in the same manner as in Example 1 except that the tension was 2.10 cN / dtex and the draw ratio during heat treatment was 1.9 times. Tables 1 and 2 show the physical properties of the obtained fibers and braids.
- Example 5 In Example 1, ultrahigh molecular weight polyethylene having an intrinsic viscosity of 12.0 dL / g and a weight average molecular weight of 1,600,000 was used, the deformation ratio of the spinning process was 20 times, and the first stage draw ratio was 3.0 times.
- the second stage drawing temperature was 145 ° C.
- the draw ratio was 3.5 times
- the deformation rate was 0.01 sec ⁇ 1
- the time required for the second stage drawing was 2 minutes
- the fiber was cooled after the spinning drawing Is cooled using a roller at a rate of 150 ° C./sec.
- the heat treatment temperature is 140 ° C.
- the heat treatment time is 2 minutes
- the heat treatment tension is 1.30 cN / dtex
- a braid was obtained in the same manner as in Example 1 except that the draw ratio was 1.8 times.
- Tables 1 and 2 show the physical properties of the obtained fibers and braids.
- Example 6 In Example 1, ultrahigh molecular weight polyethylene having an intrinsic viscosity of 12.0 dL / g and a weight average molecular weight of 1,600,000 was used, paraffin was used as a solvent, and a polymer concentration was 11.0 wt%. Solvent removal and drying were performed using hexane after the spinning process.
- the first stage draw ratio is 80 ° C., 1.3 times
- the second stage draw temperature is 130 ° C.
- the draw ratio is 3.5 times
- the third stage draw temperature is 150 ° C.
- the draw ratio was 2.8 times
- the deformation speed of the third stage was 0.018 sec ⁇ 1 , and the time required for the third stage of stretching was 2 minutes.
- the fiber after spinning drawing was cooled at a rate of 100 ° C./sec using a roller, the winding tension was 0.06 cN / dtex, and the winding temperature was 40 ° C.
- the braid was formed in the same manner as in Example 1 except that the heat treatment temperature was 152 ° C., the tension during heat treatment was 4.10 cN / dtex, and the draw ratio during heat treatment was 5.5 times. Obtained. Tables 1 and 2 show the physical properties of the obtained fibers and braids.
- Example 1 A dispersion of ultrahigh molecular weight polyethylene and decalin having an intrinsic viscosity of 17.0 dL / g and a weight average molecular weight of 2,800,000 was prepared at a polyethylene concentration of 9.0 wt%. This dispersion was made into a solution at 205 ° C. with an extruder, and the polyethylene solution was discharged from a spinneret having an orifice diameter of 1.0 mm and 30 holes at a nozzle surface temperature of 180 ° C. and a single hole discharge rate of 2.0 g / min. The discharged yarn was deformed by 16 times until solidified and cooled with a 30 ° C. water-cooled bath to obtain an undrawn yarn.
- the time required for the deformation at this time is 0.1 minute.
- the undrawn yarn was drawn 4.0 times while being continuously heated and dried with hot air at 120 ° C. Next, it was stretched 4.1 times with hot air of 150 ° C. for 40 seconds, continuously cooled rapidly using a water bath, and the stretched yarn was immediately cooled and wound. At this time, the cooling rate to 50 ° C. was 1.5 ° C./sec.
- the temperature when winding the drawn yarn was 30 ° C., and the tension was 0.10 cN / dtex.
- the undrawn yarn was stringed into four pieces, followed by heat treatment for 4 minutes at 60 ° C. and a tension of 0.004 cN / dtex. At this time, heat treatment was performed while stretching the braid 2.1 times. After the heat treatment, the heat-treated braid was wound up at 32 ° C. Tables 1 and 2 show the physical properties of the obtained fibers and braids.
- Comparative Example 2 The cooling rate of the fiber after the drawing step to 50 ° C. was 20.0 ° C./sec. Comparative Example 1 was the same except that the drawn yarn was stringed into four and then heat treated at 120 ° C. and a tension of 0.004 cN / dtex for 35 minutes. Tables 1 and 2 show the physical properties of the obtained fibers and braids.
- the undrawn yarn was drawn 2.0 times while being continuously heated and dried with hot air at 80 ° C. Next, it was stretched 5.0 times in 30 seconds with hot air at 100 ° C. and continuously cooled rapidly using a water bath, and the stretched yarn was immediately cooled and wound. At this time, the cooling rate to 50 ° C. was 520 ° C./sec. The temperature when winding the drawn yarn was 30 ° C., and the tension was 0.10 cN / dtex. The undrawn yarn was stringed into four pieces, and subsequently heat treated for 4 minutes at 80 ° C. and a tension of 0.008 cN / dtex. At this time, heat treatment was performed while stretching the braid 2.1 times. After the heat treatment, the heat-treated braid was wound up at 32 ° C. Tables 1 and 2 show the physical properties of the obtained fibers and braids.
- the undrawn yarn was drawn 2.0 times while being continuously heated and dried with hot air at 80 ° C. Next, it was stretched 5.0 times in 30 seconds with hot air at 100 ° C. and continuously cooled rapidly using a water bath, and the stretched yarn was immediately cooled and wound. At this time, the cooling rate to 50 ° C. was 520 ° C./sec. The temperature when winding the drawn yarn was 30 ° C., and the tension was 0.10 cN / dtex. The undrawn yarn was stringed into four pieces, and subsequently heat treated for 4 minutes at 80 ° C. and a tension of 0.008 cN / dtex. At this time, heat treatment was performed while stretching the braid 2.1 times. After the heat treatment, the heat-treated braid was wound up at 32 ° C. Tables 1 and 2 show the physical properties of the obtained fibers and braids.
- the braid of the present invention is suitable not only for long-term storage but also for use for long-term use, for example, fishing line, blind cord that requires lifting and lowering and opening and closing, pleated cord, pleated screen door cord, It exhibits excellent performance as curtain cords, various interior code nets such as shading screens, protective materials, surgical sutures, meat thread, safety gloves, safety ropes, fishing ropes, finishing ropes, bowstrings, etc. is there.
- the braid of the present invention is not limited to the above-described molded product, but can be widely applied to industrial uses as a base material for collecting organic substances and inorganic substances by combining with various materials, a base material for water retention, and the like.
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Abstract
Description
1.極限粘度[η]が5.0dL/g以上30dL/g以下であり、その繰り返し単位が90%以上エチレンからなるポリエチレン繊維またはポリエチレンテープを含み、80℃環境下で240時間後における熱収縮率が0.45%以上8.00%以下あることを特徴とする組紐。
2.極限粘度[η]が5.0dL/g以上30dL/g以下であり、その繰り返し単位が90%以上エチレンからなるポリエチレン繊維またはポリエチレンテープを含み、80℃環境下で240時間後における引張強度保持率が85%以上115%以下あることを特徴とする組紐。
3.1%伸張時の応力が0.5cN/dtex以上20cN/dtex以下である上記1、2のいずれかに記載の組紐。
4.組紐を熱機械分析装置(TMA)で測定した際に、30℃以上80℃以下における収縮応力が5.0cN/dtex以下である、上記1~3いずれか1に記載の組紐。
5.JIS L-1013に準じて測定した引掛強度の保持率が15%以上であることを特徴とする上記1~4のいずれか1に記載の組紐。
6.組紐が3本以上の繊維で構成されており、構成している繊維の1本以上がポリエチレン繊維であることを特徴とする上記1~5のいずれか1に記載の組紐。
7.極限粘度[η]が5.0dL/g以上30dL/g以下であり、その繰り返し単位が90%以上エチレンからなり、組紐から解いた後に固体粘弾性測定装置で測定した30℃以上80℃以下における貯蔵弾性率が、70cN/dtex以上である1本以上のポリエチレン繊維から構成されていることを特徴とする組紐。
8.極限粘度[η]が5.0dL/g以上30dL/g以下であり、その繰り返し単位が90%以上エチレンからなり、組紐から解いた後に熱機械分析装置(TMA)で測定した30℃以上80℃以下における収縮応力が5.0cN/dtex以下である1本以上のポリエチレン繊維から構成されていることを特徴とする組紐。
9.比重が0.80以上2.0以下であり、平均引張り強度が8cN/dtex以上50cN/dtex以下である上記1~8のいずれか1に記載の組紐。
10.着色してあることを特徴とする上記9に記載の組紐。
11.製紐後に160℃以下で1.05倍以上15.0倍以下に延伸されていることを特徴とする上記1~10のいずれか1に記載の組紐。
12.上記1~11のいずれか1に記載の組紐を用いた釣糸。
13.上記1~11のいずれか1に記載の組紐を用いたロープ。
14.極限粘度[η]が5.0dL/g以上30dL/g以下であり、その繰り返し単位が90%以上エチレンからなるポリエチレンを紡糸し、更に80℃以上の温度で延伸した後に、該延伸糸を冷却速度を3℃/sec以上で冷却し、得られた該延伸糸を0.001~7cN/dtexの張力で巻き取ったポリエチレン繊維を用い、所望により加撚し、次工程の製紐工程で、組紐を構成するポリエチレン繊維に70℃以上の温度に加熱する時間が30分以下で、加熱時にポリエチレン繊維にかかる張力が0.005cN/dtex以上15cN/dtex以下であることを特徴とする組紐の製造方法。
重量平均分子量 = 5.365×104×(極限粘度)1.37
後述する製紐工程での熱処理で繊維の結晶化度、または結晶配向度をある程度大きくすることにより、結果として組紐を構成する繊維間の拘束性をある程度高くすることは可能である。しかし、組紐加工時の熱処理により極端に結晶化度、または結晶配向度を大きくしようとすると、熱処理時に繊維の収縮が大きくなりすぎるため、結果として組紐が硬くなり好ましくない。
一方、後述の製紐後の熱処理で高温および/または処理時間を長くする、さらに、張力が低いといった、条件自体が適切で無い場合、繊維中の分子鎖の緩和が生じ、得られる組紐の力学物性が、特に組紐の拘束性が少なくなりすぎる結果として現れるため好ましくない。
CV%(組紐長手方向の繊度斑)=100×(繊度の標準偏差)/(繊度の平均値)
引掛強度の保持率(%)=100×(引掛強度)/(引張強度)
135℃のデカリンにてウベローデ型毛細粘度管により、種々の希薄溶液の比粘度を測定し、その粘度の濃度に対するプロットの最小2乗近似で得られる直線の原点への外挿点より極限粘度を決定した。測定に際し、サンプルを約5mm長の長さにサンプルを分割または切断し、ポリマーに対して1質量%の酸化防止剤(商標名「ヨシノックスBHT」吉富製薬製)を添加し、135℃で24時間攪拌溶解して測定溶液を調整した。
位置の異なる5箇所でサンプルを各々10cmにカットし、その重量を測定しその平均値を用いて繊度を求めた。
JIS L1013 8.5.1に準拠して測定した。強度、弾性率は、株式会社オリエンテック製の「テンシロン万能材料試験機」を用い、試料長200mm(チャック間長さ)、伸長速度100%/分の条件で歪-応力曲線を雰囲気温度20℃、相対湿度65%条件下で測定し、破断点での応力と伸びから強度(cN/dtex)、伸度(%)、曲線の原点付近の最大勾配を与える接線から弾性率(cN/dtex)を計算して求めた。このとき測定時にサンプルに印加する初荷重を繊度の1/10とした。なお、各値は10回の測定値の平均値を使用した。
測定にはセイコーインスツルメント社製の熱応力歪測定装置(TMA/SS120C)を用いた。長さ20mmの繊維に初荷重0.01764cN/dtexを繊維に負荷し、昇温速度20℃/分で昇温して室温(20℃)から融点までの熱応力測定結果を得た。この測定結果より、30℃から80℃における熱収縮応力を求めた。
繊維の比重は、密度勾配管法により測定した。
(密度勾配管の作製)
重液として水、軽液としてイソプロピルアルコールを用い、重液に軽液を少しずつ連続的に混合しながらメモリ付きのガラス管に注ぎ入れ、ガラス管の底部には重液が存在し、ガラス管の上部に行くにつれて軽液の比率が多くなるようにして密度勾配管を作製した。次いで、この密度勾配管を30℃±0.1℃の恒温槽に入れた。
次いで、比重既知のガラス玉5個以上(比重は全て異なる)を作製した密度勾配管に静かに投入し、このまま1日間静置した後、各ガラス玉と液面との距離を測定し、このとき得られた距離を縦軸、ガラス球の比重値を横軸にとったグラフを作成し(検量線)、該グラフが直線になっていることで正確な比重液が得られていることを確認した。
(比重の測定)
上述のようにして作製した密度勾配管に、繊維(組紐)サンプル(試料長:6~8mm)を投入し、投入直後、5時間後における繊維サンプルの液面からの位置を測定した。密度勾配管作製時に作成した検量線を使用して、サンプルの位置における比重値を求めた。
JIS L1013 8.18.2 乾熱収縮率(b)法に準拠して測定した。測定繊維サンプルおよび組紐サンプルを70cmにカットし、両端より各々10cmの位置に、即ちサンプル長さ50cmがわかるように印をつけた。次に繊維サンプルおよび組紐サンプルに余計な荷重が印加されないように吊り下げた状態で熱風循環型の加熱炉に80℃の温度で240時間加熱した。その後、加熱炉より繊維サンプルを取り出し、室温まで十分に徐冷した後に最初に繊維サンプルおよび組紐サンプルに印をつけた位置の長さを計測した。また収縮率は以下の式より求めることができる。
収縮率(%)=100×(加熱前の繊維サンプルおよび組紐サンプルの長さ-加熱後の繊維サンプルおよび組紐サンプルの長さ)/(加熱前の繊維サンプルおよび組紐サンプルの長さ)
尚、各値は2回の測定値の平均値を使用した。
T.A.インスツルメント社製の固体粘弾性測定装置(DMA Q800)を用いた。測定条件として測定サンプル試長を10mmとした。組紐から原糸を解いた後に、測定に際し繊維サンプルと装置チャック間での滑りや単糸のバラケが発生しないように、測定サンプル両端を接着剤と両面テープを用いて厚紙で挟んだ。これにより測定において測定サンプルと装置チャック間に厚紙が存在することにより、繊維の場合、装置チャックでの滑りや単糸のバラケを抑制することが可能となる。また測定開始温度を-130℃、測定終了温度を150℃、昇温速度を1.0℃/minとした。歪み量を0.04%とし、測定開始時の初荷重0.1cN/dtex、Forcetrackを350%とした。また、測定周波数を11Hzとした。データの解析には、T.A.インスツルメント社製の「T.A.Universal Analysis」を用いた。上記条件で30℃以上80℃以下における貯蔵弾性率を求めた。
組紐サンプルを温度80℃の加熱炉中で240時間処理した後、温度20±2℃の室内で24時間以上冷却させて上述(3)中に記載と同様の強度の測定を行った。引張強度保持率は以下の式より算出した。
80℃、240時間後の物性保持率(%)=100×(80℃、240時間処理後の引張強度/処理前の引張強度)
繊維サンプル中の残留溶剤濃度の測定には、ガスクロマトグラフィー(島津製作所製)を用いた。試料の繊維10mgをガスクロマトグラフィー注入口のガラスインサートにセットした。注入口を溶剤の沸点以上に加熱し、加熱により揮発した溶剤を窒素パージでカラムに導入した。カラム温度を40℃に設定し、溶剤を5分間トラップさせた。次に、カラム温度を80℃まで昇温させた後に測定を開始した。得られたピークより、残留溶剤濃度を求めた。
極限粘度17.0dL/g、重量平均分子量2,800,000である超高分子量ポリエチレンとデカリンの分散液をポリエチレン濃度9.0wt%に調製した。この分散液を押出し機にて205℃で溶液にし、ポリエチレン溶液をオリフィス径φ1.0mm、30孔からなる紡糸口金からノズル面温度180℃で単孔吐出量2.0g/minで吐出した。吐出された糸条が固化するまでに16倍で変形し30℃の水冷バスで冷却して未延伸糸を得た。このときの変形に要した時間は0.1分である。続いて該未延伸糸を120℃の熱風で加熱乾燥しながら4.0倍に延伸した。次に150℃の熱風で40秒間で4.1倍に延伸し、連続して水浴を用いて急速冷却し、直ちに該延伸糸を冷却し巻き取った。このときの50℃までの冷却速度は20℃/secであった。該延伸糸の巻取り時の温度を30℃、張力を0.10cN/dtexとした。これらの延伸工程は連続して行った。
該未延伸糸を4つ打ちに製紐し、続いて144℃、1.900cN/dtexの張力で4分間熱処理した。このとき組紐を2.1倍に延伸しながら熱処理をおこなった。熱処理後、該熱処理した組紐を32℃で巻き取りをおこなった。得られた繊維、組紐の物性を表1、表2に示す。
実施例1において、延伸後の糸が急速冷却用の水浴に入るまでの時間を短くして延伸後の冷却速度を50℃/secとし、繊維の巻取り張力を0.18cN/dtex、組紐成形後の熱処理時の張力を2.05cN/dtexとし、組紐熱処理時の延伸倍率を2.4倍、熱処理後、該熱処理した組紐を40℃で巻き取った以外は、実施例1と同様にして組紐を得た。得られた繊維、組紐の物性を表1、表2に示す。
実施例1においてポリマー濃度を8wt%、紡糸時の変形倍率を24倍、変形時間を0.3分として、1段目の延伸倍率を4.5倍、2段目の延伸倍率を4.5倍、延伸変形時間を38秒とし、次いで、組紐成形後の熱処理張力を3.95cN/dtex、倍率を1.8倍とした以外は、実施例1と同様にして組紐を得た。得られた繊維、組紐の物性を表1、表2に示す。
実施例1において紡糸延伸後の繊維の冷却を、ローラーを用いて150℃/secの速度で冷却し、組紐成形後の熱処理条件として、熱処理温度を149℃、熱処理時間を6分間、熱処理時の張力を2.10cN/dtex、熱処理時の延伸倍率を1.9倍とした以外は、実施例1と同様にして組紐を得た。得られた繊維、組紐の物性を表1、表2に示す。
実施例1において極限粘度12.0dL/g、重量平均分子量1,600,000である超高分子量ポリエチレンを用い、紡糸工程の変形倍率を20倍とし、1段目の延伸倍率を3.0倍、2段目の延伸温度を145℃、延伸倍率を3.5倍、変形速度を0.01sec-1、2段目の延伸に要した時間を2分間とし、次いで紡糸延伸後の繊維の冷却をローラーを用いて150℃/secの速度で冷却し、次に組紐成形後の熱処理条件として熱処理温度を140℃、熱処理時間を2分間、熱処理時の張力を1.30cN/dtex、熱処理時の延伸倍率を1.8倍とした以外は、実施例1と同様にして組紐を得た。得られた繊維、組紐の物性を表1、表2に示す。
実施例1において極限粘度12.0dL/g、重量平均分子量1,600,000である超高分子量ポリエチレンを用い、溶媒としてパラフィンを用い、ポリマー濃度を11.0wt%とした。紡糸工程後にてヘキサンを用いて脱溶剤および乾燥をおこなった。延伸工程では、1段目の延伸倍率を温度80℃、1.3倍、2段目の延伸温度を130℃、延伸倍率を3.5倍、3段目の延伸温度を150℃、延伸倍率を2.8倍とし、3段目の変形速度を0.018sec-1、3段目の延伸に要した時間を2分間とした。次いで紡糸延伸後の繊維の冷却をローラーを用いて100℃/secの速度で冷却し、巻取り張力を0.06cN/dtex、巻取り時の温度を40℃として巻き取った。次に組紐成形後の熱処理条件として熱処理温度を152℃、熱処理時の張力を4.10cN/dtex、熱処理時の延伸倍率を5.5倍とした以外は、実施例1と同様にして組紐を得た。得られた繊維、組紐の物性を表1、表2に示す。
極限粘度17.0dL/g、重量平均分子量2,800,000である超高分子量ポリエチレンとデカリンの分散液をポリエチレン濃度9.0wt%に調製した。この分散液を押出し機にて205℃で溶液にし、ポリエチレン溶液をオリフィス径φ1.0mm、30孔からなる紡糸口金からノズル面温度180℃で単孔吐出量2.0g/minで吐出した。吐出された糸条が固化するまでに16倍で変形し30℃の水冷バスで冷却して未延伸糸を得た。このときの変形に要した時間は0.1分である。該未延伸糸を連続して120℃の熱風で加熱乾燥しながら4.0倍に延伸した。次に150℃の熱風で40秒間で4.1倍に延伸し、連続して水浴を用いて急速冷却し、直ちに該延伸糸を冷却し巻き取った。このときの50℃までの冷却速度は1.5℃/secであった。該延伸糸の巻取り時の温度を30℃、張力を0.10cN/dtexとした。該未延伸糸を4つ打ちに製紐し、続いて60℃、0.004cN/dtexの張力で4分間熱処理した。このとき組紐を2.1倍に延伸しながら熱処理をおこなった。熱処理後、該熱処理した組紐を32℃で巻き取りをおこなった。得られた繊維、組紐の物性を表1、表2に示す。
延伸工程後の繊維の50℃までの冷却速度は20.0℃/secとした。該延伸糸を4つ打ちに製紐し、続いて120℃、0.004cN/dtexの張力で35分間熱処理した以外は比較例1と同様にした。得られた繊維、組紐の物性を表1、表2に示す。
延伸工程度の繊維の冷却速度を520℃/secとして、次いで該延伸糸を4つ打ちに製紐し、続いて150℃、1.90cN/dtexの張力で2.1倍に延伸した。このとき組紐を2.1倍に延伸しながら熱処理をおこなった以外は比較例1と同様にした。得られた繊維、組紐の物性を表1、表2に示す。
極限粘度2dL/g、重量平均分子量130,000である高密度ポリエチレンを溶媒を用いることなく押出し機にて285℃で溶融し、ポリエチレン溶液をオリフィス径φ0.5mm、30孔からなる紡糸口金からノズル面温度280℃で単孔吐出量0.5g/minで吐出した。吐出された糸条が固化するまでに130倍で変形し30℃の空気の冷風で冷却して未延伸糸を得た。このときの変形に要した時間は0.3分である。該未延伸糸を連続して80℃の熱風で加熱乾燥しながら2.0倍に延伸した。次に100℃の熱風で30秒間で5.0倍に延伸し、連続して水浴を用いて急速冷却し、直ちに該延伸糸を冷却し巻き取った。このときの50℃までの冷却速度は520℃/secであった。該延伸糸の巻取り時の温度を30℃、張力を0.10cN/dtexとした。該未延伸糸を4つ打ちに製紐し、続いて80℃、0.008cN/dtexの張力で4分間熱処理した。このとき組紐を2.1倍に延伸しながら熱処理をおこなった。熱処理後、該熱処理した組紐を32℃で巻き取りをおこなった。得られた繊維、組紐の物性を表1、表2に示す。
極限粘度1.5dL/g、重量平均分子量95,000である高密度ポリエチレンを溶媒を用いることなく押出し機にて280℃で溶融し、ポリエチレン溶液をオリフィス径φ0.5mm、30孔からなる紡糸口金からノズル面温度280℃で単孔吐出量0.5g/minで吐出した。吐出された糸条が固化するまでに130倍で変形し30℃の空気の冷風で冷却して未延伸糸を得た。このときの変形に要した時間は0.3分である。該未延伸糸を連続して80℃の熱風で加熱乾燥しながら2.0倍に延伸した。次に100℃の熱風で30秒間で5.0倍に延伸し、連続して水浴を用いて急速冷却し、直ちに該延伸糸を冷却し巻き取った。このときの50℃までの冷却速度は520℃/secであった。該延伸糸の巻取り時の温度を30℃、張力を0.10cN/dtexとした。該未延伸糸を4つ打ちに製紐し、続いて80℃、0.008cN/dtexの張力で4分間熱処理した。このとき組紐を2.1倍に延伸しながら熱処理をおこなった。熱処理後、該熱処理した組紐を32℃で巻き取りをおこなった。得られた繊維、組紐の物性を表1、表2に示す。
Claims (14)
- 極限粘度[η]が5.0dL/g以上30dL/g以下であり、その繰り返し単位が90%以上エチレンからなるポリエチレン繊維またはポリエチレンテープを含み、80℃環境下で240時間後における熱収縮率が0.45%以上8%以下あることを特徴とする組紐。
- 極限粘度[η]が5.0dL/g以上30dL/g以下であり、その繰り返し単位が90%以上エチレンからなるポリエチレン繊維またはポリエチレンテープを含み、80℃環境下で240時間後における引張強度保持率が85%以上115%以下あることを特徴とする組紐。
- 1%伸張時の応力が0.5cN/dtex以上20cN/dtex以下である請求項1、2のいずれか1項に記載の組紐。
- 組紐を熱機械分析装置(TMA)で測定した際に、30℃以上80℃以下における収縮応力が5.0cN/dtex以下である、請求項1~3いずれか1項に記載の組紐。
- JIS L-1013に準じて測定した引掛強度の保持率が15%以上であることを特徴とする請求項1~4のいずれか1項に記載の組紐。
- 組紐が3本以上の繊維で構成されており、構成している繊維の1本以上がポリエチレン繊維であることを特徴とする請求項1~5のいずれか1項に記載の組紐。
- 極限粘度[η]が5.0dL/g以上30dL/g以下であり、その繰り返し単位が90%以上エチレンからなり、組紐から解いた後に固体粘弾性測定装置で測定した30℃以上80℃以下における貯蔵弾性率が、70cN/dtex以上である1本以上のポリエチレン繊維から構成されていることを特徴とする組紐。
- 極限粘度[η]が5.0dL/g以上30dL/g以下であり、その繰り返し単位が90%以上エチレンからなり、組紐から解いた後に熱機械分析装置(TMA)で測定した30℃以上80℃以下における収縮応力が5.0cN/dtex以下である1本以上のポリエチレン繊維から構成されていることを特徴とする組紐。
- 比重が0.80以上2.0以下であり、平均引張り強度が8cN/dtex以上50cN/dtex以下である請求項1~8のいずれか1項に記載の組紐。
- 着色してあることを特徴とする請求項9に記載の組紐。
- 製紐後に160℃以下で1.05倍以上15倍以下に延伸されていることを特徴とする請求項1~10のいずれか1項に記載の組紐。
- 請求項1~11のいずれか1項に記載の組紐を用いた釣糸。
- 請求項1~11のいずれか1項に記載の組紐を用いたロープ。
- 極限粘度[η]が5.0dL/g以上30dL/g以下であり、その繰り返し単位が90%以上エチレンからなるポリエチレンを紡糸し、更に80℃以上の温度で延伸した後に、該延伸糸を冷却速度を3℃/sec以上で冷却し、得られた該延伸糸を0.001~7cN/dtexの張力で巻き取ったポリエチレン繊維を用い、所望により加撚し、次工程の製紐工程で、組紐を構成するポリエチレン繊維に70℃以上の温度に加熱する時間が30分以下で、加熱時にポリエチレン繊維にかかる張力が0.005cN/dtex以上15cN/dtex以下であることを特徴とする組紐の製造方法。
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- 2013-09-27 TW TW102135045A patent/TWI489024B/zh active
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JP2001303358A (ja) * | 2000-04-20 | 2001-10-31 | Toyobo Co Ltd | 耐摩耗性に優れた高性能釣糸 |
JP2010148481A (ja) * | 2008-12-26 | 2010-07-08 | Toyobo Co Ltd | 組紐 |
JP2011241486A (ja) * | 2010-05-14 | 2011-12-01 | Toyobo Co Ltd | 高強度ポリエチレン繊維 |
Cited By (3)
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JP2017534777A (ja) * | 2014-10-29 | 2017-11-24 | ハネウェル・インターナショナル・インコーポレーテッドHoneywell International Inc. | 高強度の小径釣糸 |
JPWO2016159264A1 (ja) * | 2015-04-03 | 2017-11-24 | 旭化成株式会社 | ステントグラフト |
US10806562B2 (en) | 2015-04-03 | 2020-10-20 | Asahi Kasei Kabushiki Kaisha | Stent graft |
Also Published As
Publication number | Publication date |
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KR102054035B1 (ko) | 2019-12-09 |
KR20150059752A (ko) | 2015-06-02 |
CN104704154B (zh) | 2016-10-26 |
TW201428156A (zh) | 2014-07-16 |
JPWO2014050962A1 (ja) | 2016-08-22 |
US20150247269A1 (en) | 2015-09-03 |
JP5569664B1 (ja) | 2014-08-13 |
CN104704154A (zh) | 2015-06-10 |
TWI489024B (zh) | 2015-06-21 |
US10087560B2 (en) | 2018-10-02 |
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