CN103845955B - Fine denier nylon filter cloth, Preparation Method And The Use - Google Patents
Fine denier nylon filter cloth, Preparation Method And The Use Download PDFInfo
- Publication number
- CN103845955B CN103845955B CN201210509920.7A CN201210509920A CN103845955B CN 103845955 B CN103845955 B CN 103845955B CN 201210509920 A CN201210509920 A CN 201210509920A CN 103845955 B CN103845955 B CN 103845955B
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- China
- Prior art keywords
- nylon
- filter cloth
- fine denier
- fiber
- dtex
- 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.)
- Expired - Fee Related
Links
- 229920001778 nylon Polymers 0.000 title claims abstract description 151
- 239000004677 Nylon Substances 0.000 title claims abstract description 110
- 239000004744 fabric Substances 0.000 title claims abstract description 102
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000007787 solid Substances 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims description 75
- 150000001875 compounds Chemical class 0.000 claims description 47
- 229910052751 metal Inorganic materials 0.000 claims description 43
- 239000002184 metal Substances 0.000 claims description 42
- 229910052747 lanthanoid Inorganic materials 0.000 claims description 39
- 150000002602 lanthanoids Chemical class 0.000 claims description 39
- 238000002074 melt spinning Methods 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 20
- 239000012752 auxiliary agent Substances 0.000 claims description 19
- 239000000654 additive Substances 0.000 claims description 14
- 230000000996 additive effect Effects 0.000 claims description 14
- 238000005303 weighing Methods 0.000 claims description 14
- 239000003963 antioxidant agent Substances 0.000 claims description 11
- 230000003078 antioxidant effect Effects 0.000 claims description 11
- 238000009987 spinning Methods 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 238000009941 weaving Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000004611 light stabiliser Substances 0.000 claims description 7
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 229920002292 Nylon 6 Polymers 0.000 claims description 5
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 239000000975 dye Substances 0.000 claims description 3
- 150000003384 small molecules Chemical class 0.000 claims description 3
- 238000005272 metallurgy Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 24
- 230000008569 process Effects 0.000 abstract description 8
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 56
- -1 polypropylene Polymers 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 15
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 13
- 230000000694 effects Effects 0.000 description 13
- 235000006708 antioxidants Nutrition 0.000 description 9
- 229910052761 rare earth metal Inorganic materials 0.000 description 8
- 239000004596 additive masterbatch Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 150000002910 rare earth metals Chemical class 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 229910052692 Dysprosium Inorganic materials 0.000 description 3
- 229910052691 Erbium Inorganic materials 0.000 description 3
- 229910052693 Europium Inorganic materials 0.000 description 3
- 229910052688 Gadolinium Inorganic materials 0.000 description 3
- 229910052689 Holmium Inorganic materials 0.000 description 3
- 229910052765 Lutetium Inorganic materials 0.000 description 3
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 229910052777 Praseodymium Inorganic materials 0.000 description 3
- 229910052772 Samarium Inorganic materials 0.000 description 3
- 229910052771 Terbium Inorganic materials 0.000 description 3
- 229920004933 Terylene® Polymers 0.000 description 3
- 229910052775 Thulium Inorganic materials 0.000 description 3
- 229910052769 Ytterbium Inorganic materials 0.000 description 3
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 3
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 3
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 3
- 150000002191 fatty alcohols Chemical group 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 3
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000012209 synthetic fiber Substances 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 3
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 3
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 2
- 241001580935 Aglossa pinguinalis Species 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 150000008366 benzophenones Chemical class 0.000 description 2
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- VQCBHWLJZDBHOS-UHFFFAOYSA-N erbium(iii) oxide Chemical compound O=[Er]O[Er]=O VQCBHWLJZDBHOS-UHFFFAOYSA-N 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical group [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- ZIKATJAYWZUJPY-UHFFFAOYSA-N thulium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Tm+3].[Tm+3] ZIKATJAYWZUJPY-UHFFFAOYSA-N 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- MAYVZUQEFSJDHA-UHFFFAOYSA-N 1,5-bis(methylsulfanyl)naphthalene Chemical compound C1=CC=C2C(SC)=CC=CC2=C1SC MAYVZUQEFSJDHA-UHFFFAOYSA-N 0.000 description 1
- PRWJPWSKLXYEPD-UHFFFAOYSA-N 4-[4,4-bis(5-tert-butyl-4-hydroxy-2-methylphenyl)butan-2-yl]-2-tert-butyl-5-methylphenol Chemical compound C=1C(C(C)(C)C)=C(O)C=C(C)C=1C(C)CC(C=1C(=CC(O)=C(C=1)C(C)(C)C)C)C1=CC(C(C)(C)C)=C(O)C=C1C PRWJPWSKLXYEPD-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241000370738 Chlorion Species 0.000 description 1
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 125000003354 benzotriazolyl group Chemical class N1N=NC2=C1C=CC=C2* 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229940006460 bromide ion Drugs 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- VYLVYHXQOHJDJL-UHFFFAOYSA-K cerium trichloride Chemical compound Cl[Ce](Cl)Cl VYLVYHXQOHJDJL-UHFFFAOYSA-K 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- GEZAXHSNIQTPMM-UHFFFAOYSA-N dysprosium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Dy+3].[Dy+3] GEZAXHSNIQTPMM-UHFFFAOYSA-N 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- HDGGAKOVUDZYES-UHFFFAOYSA-K erbium(iii) chloride Chemical compound Cl[Er](Cl)Cl HDGGAKOVUDZYES-UHFFFAOYSA-K 0.000 description 1
- 229910001940 europium oxide Inorganic materials 0.000 description 1
- 229940075616 europium oxide Drugs 0.000 description 1
- AEBZCFFCDTZXHP-UHFFFAOYSA-N europium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Eu+3].[Eu+3] AEBZCFFCDTZXHP-UHFFFAOYSA-N 0.000 description 1
- NNMXSTWQJRPBJZ-UHFFFAOYSA-K europium(iii) chloride Chemical compound Cl[Eu](Cl)Cl NNMXSTWQJRPBJZ-UHFFFAOYSA-K 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 229910001938 gadolinium oxide Inorganic materials 0.000 description 1
- 229940075613 gadolinium oxide Drugs 0.000 description 1
- MEANOSLIBWSCIT-UHFFFAOYSA-K gadolinium trichloride Chemical compound Cl[Gd](Cl)Cl MEANOSLIBWSCIT-UHFFFAOYSA-K 0.000 description 1
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- ICIWUVCWSCSTAQ-UHFFFAOYSA-M iodate Chemical compound [O-]I(=O)=O ICIWUVCWSCSTAQ-UHFFFAOYSA-M 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- ICAKDTKJOYSXGC-UHFFFAOYSA-K lanthanum(iii) chloride Chemical compound Cl[La](Cl)Cl ICAKDTKJOYSXGC-UHFFFAOYSA-K 0.000 description 1
- IZGCXMLPGPBWJN-UHFFFAOYSA-N lanthanum;pentane-2,4-dione Chemical compound [La].CC(=O)CC(C)=O IZGCXMLPGPBWJN-UHFFFAOYSA-N 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 description 1
- ATINCSYRHURBSP-UHFFFAOYSA-K neodymium(iii) chloride Chemical compound Cl[Nd](Cl)Cl ATINCSYRHURBSP-UHFFFAOYSA-K 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000013110 organic ligand Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 125000005702 oxyalkylene group Chemical group 0.000 description 1
- MMKQUGHLEMYQSG-UHFFFAOYSA-N oxygen(2-);praseodymium(3+) Chemical compound [O-2].[O-2].[O-2].[Pr+3].[Pr+3] MMKQUGHLEMYQSG-UHFFFAOYSA-N 0.000 description 1
- UZLYXNNZYFBAQO-UHFFFAOYSA-N oxygen(2-);ytterbium(3+) Chemical compound [O-2].[O-2].[O-2].[Yb+3].[Yb+3] UZLYXNNZYFBAQO-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910003447 praseodymium oxide Inorganic materials 0.000 description 1
- LHBNLZDGIPPZLL-UHFFFAOYSA-K praseodymium(iii) chloride Chemical compound Cl[Pr](Cl)Cl LHBNLZDGIPPZLL-UHFFFAOYSA-K 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 125000002577 pseudohalo group Chemical group 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910001954 samarium oxide Inorganic materials 0.000 description 1
- 229940075630 samarium oxide Drugs 0.000 description 1
- BHXBZLPMVFUQBQ-UHFFFAOYSA-K samarium(iii) chloride Chemical compound Cl[Sm](Cl)Cl BHXBZLPMVFUQBQ-UHFFFAOYSA-K 0.000 description 1
- FKTOIHSPIPYAPE-UHFFFAOYSA-N samarium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Sm+3].[Sm+3] FKTOIHSPIPYAPE-UHFFFAOYSA-N 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009923 sugaring Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 229910003451 terbium oxide Inorganic materials 0.000 description 1
- GFISHBQNVWAVFU-UHFFFAOYSA-K terbium(iii) chloride Chemical compound Cl[Tb](Cl)Cl GFISHBQNVWAVFU-UHFFFAOYSA-K 0.000 description 1
- SCRZPWWVSXWCMC-UHFFFAOYSA-N terbium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Tb+3].[Tb+3] SCRZPWWVSXWCMC-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- ILOTUXNTERMOJL-UHFFFAOYSA-K thulium(iii) chloride Chemical compound Cl[Tm](Cl)Cl ILOTUXNTERMOJL-UHFFFAOYSA-K 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- PYOOBRULIYNHJR-UHFFFAOYSA-K trichloroholmium Chemical compound Cl[Ho](Cl)Cl PYOOBRULIYNHJR-UHFFFAOYSA-K 0.000 description 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 229910003454 ytterbium oxide Inorganic materials 0.000 description 1
- 229940075624 ytterbium oxide Drugs 0.000 description 1
- CKLHRQNQYIJFFX-UHFFFAOYSA-K ytterbium(III) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Yb+3] CKLHRQNQYIJFFX-UHFFFAOYSA-K 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Woven Fabrics (AREA)
- Filtering Materials (AREA)
Abstract
The present invention relates to the novel filter material be made up of fine denier nylon fiber, the filter cloth be particularly made up of fine denier nylon fiber, also relate to the preparation method of this fine denier nylon filter cloth and the purposes in Separation of Solid and Liquid.Fine denier nylon filter cloth thickness of the present invention is little, and in filter process, filtration resistance is little, contributes to improving filter efficiency, also can reduce the use amount of nylon, reduce costs.In addition, because nylon fiber mechanical strength is high, wearability is good, makes fine denier nylon filter cloth durable, long service life.
Description
Technical field
The present invention relates to the novel filter material be made up of fine count fiber, the filter cloth be particularly made up of fine count fiber, also relate to the preparation method of this fine denier nylon filter cloth and the purposes in Separation of Solid and Liquid.Belong to macromolecular material application.
Background technology
At chemical field, lock out operation is common process means, and Separation of Solid and Liquid is then modal unpack format.Filter screen and filter cloth are the filtering materials often used.
Filter screen is the abbreviation of screen pack, before the letter of extruder material, usually arrange the woven wire group of the different meshes supported by sieve plate, and its effect is filtering molten stream and increases stream resistance, so as to elimination mechanical admixture with improve effect that is mixing or plasticizing.Filter screen is divided into textile fabric filter screen and five metals etc.The machine installing screen pack becomes filter, is used for filtering Natural Water and food, the impurity of some main filtration paint and coating.
Filter screen is used for directly filtering, and has good permeability, regenerability is good, reproduction speed is fast, the feature such as installation and easy to use, efficiency is high, long service life.Be mainly used in air-conditioning, clarifier, smoke exhaust ventilator, air filter, dehumidifier and deduster etc., be applicable to various different filtration, dedusting and separation requirement, be applicable to oil, chemical industry, mineral products, food, pharmacy, the filtration of all trades and professions such as application.Application filtering material can be divided into metal and two kinds, plastics, and the filter screen position be contained on spray gun has dissimilar, and as rifle lower filter screen, rifle head filter screen, general stainless steel and nylon material are good.
Filter cloth is the filter medium be made into by natural fiber or synthetic fibers.Conventional material has cotton, fiber crops, wool, silk, asbestos fibre, glass fibre and some synthetic fibers etc.Such as woollen goods etc. of cotton canvas, twill and the woolens knitted.Just in the broadest sense, filter cloth also comprises wire netting or filter screen.Synthetic fibers mainly contain polypropylene fibre, terylene, polyamide fibre, polyvinyl etc., wherein with terylene and polypropylene fibre the most conventional, based on Separation of Solid and Liquid, polyamide fibre is then used in coal washery in a large number, because its outstanding anti-wear performance.
Filter cloth is mainly used in air filtration and removes dust, control of dust powder, and to purify air, protection of the environment, in smeltery, chemical plant, sugaring, dyestuff, medicine, the industry such as food generally applies.The filter cloth of the materials such as terylene, polypropylene fibre, polyamide fibre, polyvinyl, cotton, screen cloth are widely used in the industries such as pharmacy, chemical industry, dyestuff, iron and steel, building, metallurgy, pottery, cement, geology, mineral products.And the extraordinary filter cloth that the material such as aramid fiber, PTFE, PVDF is made has the high feature of serviceability temperature.
But filter screen generally has wears filter phenomenon, and the usual thickness of filter cloth is comparatively large, and the rate of filtration is slow, therefore urgently develops a kind of novel filter material to overcome the problems referred to above.
Summary of the invention
In view of nylon fabric there is absorbing sweat, lightweight, the feature such as toughness is good, resilience is good, be therefore widely used at garment industry, but should be not limited only to this.In order to solve the problem of above-mentioned filtering material, the present inventor studies with keen determination, attempts fine denier nylon fibrous woven to become filter cloth.Found that, use fine denier nylon fiber can make a kind of novel filter material, this nylon filtering cloth is very thin, and in filter process, filtration resistance is little, contributes to improving filter efficiency, also can reduce the use amount of nylon, reduce costs.In addition, because nylon fiber mechanical strength is high, wearability is good, makes fine denier nylon filter cloth durable.Thus complete the present invention.
Therefore, one aspect of the invention provides a kind of filter cloth for Separation of Solid and Liquid, it is characterized in that, this filter cloth is formed by fine denier nylon fiber weaving, the filament number of fine denier nylon fiber is 0.2 ~ 1.5 dtex (dtex), and the total fiber number of fine denier nylon fibre bundle is 1.0 ~ 900 dtexs (dtex).
Term " fiber number " is used for representing the fineness of nylon fiber, usually with " dtex (dtex) " for unit represents." dtex (dtex) " refers under official regain, ten thousand metres yarn or fiber there is the grams of quality, dezitex is large, represents that fiber is thicker.
Another conventional unit is " dawn (D) ", " dawn (D) ", also known as " dawn number " or " Denier: denier) ", refers under official regain, 9000 meters of yarns or fiber there is the grams of quality, it is direct system unit equally, the larger yarn of grammes per square metre or fiber thicker.
Usually be that the nylon fiber of 1 dtex (dtex) left and right is called fine denier nylon fiber by filament number, and be that 0.5 dtex (dtex) left and right or thinner nylon fiber are called superfine denier nylon fibre by filament number.In the present invention it is referred to as fine denier nylon fiber.
Fine denier nylon fiber of the present invention is much thinner than conventional chemical fiber (filament number is generally 3-6 dtex (dtex) left and right), by selecting the technical scheme of appropriate spinning material and auxiliary agent and choose reasonable spinning and strictly controlling spinning, every production process such as drawing-off and obtaining, specifically can produce the composition of thin dawn or superfine denier nylon fibre see the present inventor's earlier patents CN100580160B(and produce the method for thin dawn or superfine denier nylon fibre) and the method for CN100580159B(producing nylon fibre under low temperature), other fine denier nylon fibers that prior art also can be adopted known are as the raw material of filter cloth of the present invention.
Specifically, in order to produce this fine denier nylon fiber, provide a kind of composition, said composition comprises the compound of nylon and a kind of metal, and especially a kind of compound of lanthanide rare metal, said composition can also comprise other auxiliary agents.
Wherein, nylon is the basis of described composition, can use the common nylon of spinning, therefore be not particularly limited nylon, such as, can use nylon 6, nylon66 fiber etc. in the present invention.
The compound of rare earth metal comprises rare earth metal salt, complex compound or oxide in non-limiting manner.Described lanthanide rare metallic element is selected from lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium.The anion of described slaine or the part of complex compound are selected from phosphate radical, carbonate, carboxylate radical, nitrate anion, sulfate radical, sulfonate radical, inferior sulfate radical, halide anion (as fluorine ion, chlorion and bromide ion etc.), Pseudohalides (such as, thiocyanate radical) and other nitrogenous and/or containing oxygen (as carboxylate radical) and/or Organic Ligands Containing Sulphur Atoms (as β-diones, such as acetylacetone,2,4-pentanedione) etc., also can be mixed ligand.But be not limited to this.Specifically, the example of rare earth compound comprises: lanthanum chloride, cerium chloride, praseodymium chloride, neodymium chloride, samarium trichloride, Europium chloride, gadolinium chloride, terbium chloride, dysprosium chloride, holmium chloride, erbium chloride, thulium chloride, ytterbium chloride, lutecium chloride, sulfonic acid lanthanum, cerous iodate, sulfonic acid praseodymium, sulfonic acid neodymium, sulfonic acid samarium, sulfonic acid europium, sulfonic acid gadolinium, sulfonic acid terbium, sulfonic acid dysprosium, sulfonic acid holmium, sulfonic acid erbium, sulfonic acid thulium, sulfonic acid ytterbium, sulfonic acid lutetium, lanthanum acetylacetone, acetylacetone,2,4-pentanedione cerium, acetylacetone,2,4-pentanedione praseodymium, acetylacetone,2,4-pentanedione neodymium, acetylacetone,2,4-pentanedione samarium, acetylacetone,2,4-pentanedione europium, acetylacetone,2,4-pentanedione gadolinium, acetylacetone,2,4-pentanedione terbium, acetylacetone,2,4-pentanedione dysprosium, acetylacetone,2,4-pentanedione holmium, acetylacetone,2,4-pentanedione erbium, acetylacetone,2,4-pentanedione thulium, acetylacetone,2,4-pentanedione ytterbium, acetylacetone,2,4-pentanedione lutetium, lanthana, cerium oxide, praseodymium oxide, neodymia, samarium oxide, europium oxide, gadolinium oxide, terbium oxide, dysprosia, holimium oxide, erbium oxide, thulium oxide, ytterbium oxide and luteium oxide etc.
The compound of lanthanide rare metal can make nylon fiber show good performance in melt spinning process, such as high strength, high viscosity, high spinnability etc., thus the thin dawn or the superfine Denier fibre silk that make composition of the present invention can be spun into fiber number to be less than 1 dtex (dtex).
Thin the dawn even effect of superfine denier nylon fibre can be spun in order to ensure composition, the use amount of the compound of lanthanide rare metal is as follows: based on the weighing scale of nylon used, the weight of lanthanide rare metal is 50ppm ~ 10wt%, be preferably 0.01% ~ 5wt%, be more preferably 0.1% ~ 5wt%, be particularly preferably 0.5% ~ 3wt%.If the use amount of the compound of lanthanide rare metal is lower than 50ppm, then it is good not to the modified effect of nylon, causes composition to be difficult to be spun into thin dawn or superfine Denier fibre.If the use amount of the compound of rare earth metal is greater than 10wt%, then the amount of the compound of the lanthanide rare metal added is too much, and make the weak effect of composition spinning, cause filametntary of poor quality, fiber number can higher than 1 dtex (dtex).
Described auxiliary agent is such as antioxidant, ultra-violet absorber, light stabilizer and antistatic additive etc.One or more auxiliary agents wherein can be used.Wherein, described antioxidant is Hinered phenols and phosphite, such as: antioxidant 1010, antioxidant CA, antioxidant 163, irgasfos 168, antioxidant 3114, anti-oxidant DLTP and antioxidant TNP etc.Can use wherein one or more.The addition of antioxidant is preferably 0.001wt%-1wt%, with the weighing scale of nylon used.Described ultra-violet absorber is the organic aromatic species matter such as benzotriazole, benzophenone class, as 2-(the 2-hydroxyl-3-tert-butyl group-5-aminomethyl phenyl)-5-chlorinated benzotriazole, 2-(2-hydroxyl-3,5-di-tert-butyl-phenyl)-5-chlorinated benzotriazole, UV-531,2-(2-hydroxyl-5-octyl phenyl)-BTA, 2-(2-hydroxyl-3,5-di-tert-butyl-phenyl)-BTA, 2-(2-hydroxy-5-methyl base phenyl)-BTA; The inorganic substances such as carbon black, zinc oxide, titanium dioxide.Can use wherein one or more.The addition of ultra-violet absorber is preferably 0.001wt%-1wt%, with the weighing scale of nylon used.Described light stabilizer is copper halide, hindered amines, phenols, benzophenone series, triazole system.Can use wherein one or more.The addition of described light stabilizer is preferably 0.001wt%-1wt%, with the weighing scale of nylon used.Described antistatic additive is fatty alcohol phosphate, fatty alcohol oxyalkylene ether phosphide salt, fatty alcohol phosphate potassium, lauryl sodium sulfate salt, glycerol stearate monoesters, laruyl alcohol oxygen vinethene phosphate kalium salt, polyethylene glycol etc.Can use wherein one or more.The addition of described antistatic additive is preferably 0.001%-1wt%, with the weighing scale of nylon used.
Utilize above-mentioned composition can production the present invention even superfine denier nylon fibre of thin dawn used, specifically can adopt melt spinning method, be included in the compound adding a kind of rare earth metal in the melt spinning process of nylon; Optional being also included in the melt spinning process of nylon adds aforesaid builders.Term " melt spinning method " refers to the heating raw materials melting of spinning, molten mass delivers to spinning-drawing machine after being extruded by screw extruder, through measuring pump, molten mass is quantitatively pressed in spinning components, by the spinneret orifice on spinneret, molten mass is flowed out with filament state, oil winding, or also through hot gas spring, obtain even superfine denier nylon fibre of thin dawn." melt spinning process " comprises from raw material to all processes becoming silk, such as, to preprocessing process, the melting process of raw material and the filamentation process of molten mass that the raw material that will carry out spinning carries out.
The compound of described lanthanide rare metal can the random time in melt spinning process add, and is not particularly limited this.But, consider the convenience of interpolation, preferably before nylon heating and melting or during heating and melting, add this compound.The feed postition of this compound is also not particularly limited, can directly adds, but add again after preferably also itself and portions of nylon can being made the additive of the compound comprising lanthanide rare metal.
Preferably produce thin the dawn even method of superfine denier nylon fibre for one to comprise: by the compound of described lanthanide rare metal and portions of nylon melt blending extrusion molding in advance, obtain additive master batch, and then additive master batch is carried out melt spinning together with the nylon of remainder.This additive master batch can be regarded as the dispersion of compound in nylon of the lanthanide rare metal of high concentration, and wherein the concentration of the compound of lanthanide rare metal is preferably 5 ~ 50wt%.Melt blending extrusion molding such as can be undertaken by the equipment such as single screw extrusion machine, double screw extruder.The same with the compound of lanthanide rare metal, described auxiliary agent such as antioxidant, ultra-violet absorber, light stabilizer and/or antistatic additive etc. can the random time in melt spinning process add, and are not particularly limited this.These functional aids can add with the compound of lanthanide rare metal simultaneously, also can add before or after it adds; If use multiple auxiliary agent simultaneously, then they can add simultaneously, also can successively add.In order to improve the simplicity of operation, preferably the compound of these auxiliary agents and rare earth metal adds use simultaneously.
In a preferred embodiment, by melt blending, obtained a kind of additive of the compound containing lanthanide rare metal by the compound of lanthanide rare metal, auxiliary agent and portions of nylon, then this additive is carried out melt spinning together with the nylon of remainder.In another preferred embodiment, melt spinning is carried out containing the compound of lanthanide rare metal, auxiliary agent together with nylon.
A preferred embodiment of melt spinning method is: in spinning process, the temperature of described nylon molten mass is preferably within the scope of 130 ~ 320 DEG C, more preferably within the scope of 160 ~ 280 DEG C, most preferably within the scope of 250 ~ 270 DEG C, the hole count of spinneret is 30-200, aperture 0.1-0.6mm, the speed of winding is preferably 100-8000 ms/min.In a preferred embodiment, before melting to material used, comprise the compound (also can be its additive) of lanthanide rare metal, nylon chips and optional auxiliary agent and carry out drying, to remove moisture and small-molecule substance.Baking temperature is 90-100 DEG C, and drying time is 24-48 hours.
Aforementioned production method operation is simple, convenient operation, the even superfine denier nylon fibre of thin dawn that fiber number was less than for 1 dawn can be obtained, and in process of production, nylon fiber silk can not rupture substantially, the mechanical property of gained thin dawn or superfine Denier fibre is fine, and fiber number is minimum can reach about 0.2 dtex (dtex).In a preferred embodiment, described technique preferably also comprises carries out hot gas spring by thin for gained dawn or superfine denier nylon fibre silk, and carry out after obtaining undrawn yarn through the winding that oils, the temperature of hot gas spring can within the scope of 50-160 DEG C.
In order to prepare filtering material of the present invention, above-mentioned fine denier nylon monfil boundling is formed fibre bundle, and every bundle fiber can comprise 5-600 stock monofilament, then fibre bundle is woven into filter cloth.Represent fibre bundle thickness or specification with " total fiber number ", then the total fiber number of fibre bundle is between 1-900 dtex (dtex).
The total fiber number of filter cloth nylon fiber bundle of the present invention is preferably 5-500 dtex (dtex), is more preferably 10 ~ 100 dtexs (dtex), is particularly preferably 15 ~ 50 dtexs (dtex).
Conventional weaving mode can be adopted to form filter cloth by above-mentioned fibre bundle.Such as adopt plain weave and twill-weave, preferably adopt plain weave.
Plain cloth: tabby warp thread and weft yarn interweave with rule one on the other.Namely just interlock once every a yarn through weft yarn, so intertwined point is maximum, yarn flexing point is maximum, makes fabric strong, wear-resisting, stiffening, smooth, but elasticity is less, gloss is general, and plain cloth density can not be too high, comparatively frivolous, wearability is better, and gas permeability is better.Tabby fabric is in actual use without the difference of positive and negative.
Twills: three warp thread and three weft yarns at least will be had in a complete organization to be interweaved, every root warp thread weft yarn can only have a latitude through interlacing point.Oblique lines is formed by continuous print interlacing point at fabric face.Twill-weave floats by through floating long line or latitude the appearance effect that long line forms the twill that fabric face presents.The number of times of twill warp and weft interweaving is fewer than plain weave, and be that the hole between weft yarn is less, it is closeer that yarn can arrange, thus fabric is dense abundant.Twill is soft compared with plain cloth, good springiness.But due to twills, to float long line longer, and under the condition that weft yarn thickness, density are identical, wearability, fastness are not as plain cloth.Cloth cover has obvious oblique lines, feel, gloss, elasticity better.Twill-weave is divided into again unequal twill (as twill, one side SINGLE DRILL, front lines is obviously clear, and reverse side is then smudgy) and reversible twill (as gabardine, REVERSIBLE DRILL, serge etc., positive and negative lines is substantially identical, but oblique contrary).
The present invention relates to the manufacture method of fine denier nylon filter cloth on the other hand, comprises the following steps:
1), provide fine denier nylon fiber, its filametntary fiber number was less than for 1 dawn, and described nylon is nylon 6, nylon66 fiber,
2), fine denier nylon fiber is woven into filter cloth with bundle form, the total fiber number 1-900 dtex (dtex) of fibre bundle, be preferably 5 ~ 200 dtexs (dtex), be more preferably 10 ~ 100 dtexs (dtex), be particularly preferably 15 ~ 50 dtexs (dtex), weaving mode is preferably plain weave.
In order to provide the fiber of the fine denier nylon needed for step 1, a kind of composition is provided, said composition comprises the compound of nylon and a kind of metal, especially a kind of compound of lanthanide rare metal, said composition can also comprise other auxiliary agents, and the compound of described nylon, rare earth metal, the compound of lanthanide rare metal and auxiliary agent are as described above.Thin the dawn even effect of superfine denier nylon fibre can be spun in order to ensure composition, the use amount of the compound of lanthanide rare metal is as follows: based on the weighing scale of nylon used, the weight of lanthanide rare metal is 50ppm ~ 10wt%, be preferably 0.01% ~ 5wt%, be more preferably 0.1% ~ 5wt%, be particularly preferably 0.5% ~ 3wt%.The addition of antioxidant is preferably 0.001wt%-1wt%, with the weighing scale of nylon used.The addition of ultra-violet absorber is preferably 0.001wt%-1wt%, with the weighing scale of nylon used.The addition of described light stabilizer is preferably 0.001wt%-1wt%, with the weighing scale of nylon used.The addition of described antistatic additive is preferably 0.001%-1wt%, with the weighing scale of nylon used.
Then adopt melt spinning method, be included in the compound adding a kind of rare earth metal in the melt spinning process of nylon, especially a kind of compound of lanthanide rare metal; Optional being also included in the melt spinning process of nylon adds aforesaid builders.Preferably before nylon heating and melting or during heating and melting, add this compound.
Preferred production thin the dawn even method of superfine denier nylon fibre comprise: by the compound of described lanthanide rare metal and portions of nylon melt blending extrusion molding in advance, obtain additive master batch, and then additive master batch is carried out melt spinning together with the nylon of remainder.This additive master batch can be regarded as the dispersion of compound in nylon of the lanthanide rare metal of high concentration, and wherein the concentration of the compound of lanthanide rare metal is preferably 5 ~ 50wt%.
In a preferred embodiment, by melt blending, obtained a kind of additive of the compound containing lanthanide rare metal by the compound of lanthanide rare metal, auxiliary agent and portions of nylon, then this additive is carried out melt spinning together with the nylon of remainder.In another preferred embodiment, melt spinning is carried out containing the compound of lanthanide rare metal, auxiliary agent together with nylon.
A preferred embodiment of melt spinning method is: in spinning process, the temperature of described nylon molten mass is preferably within the scope of 130 ~ 320 DEG C, more preferably within the scope of 160 ~ 280 DEG C, most preferably within the scope of 250 ~ 270 DEG C, the hole count of spinneret is 30-200, aperture 0.1-0.6mm, the speed of winding is preferably 100-8000 ms/min.In a preferred embodiment, before melting to material used, comprise the compound (also can be its additive) of lanthanide rare metal, nylon chips and optional auxiliary agent and carry out drying, to remove moisture and small-molecule substance.Baking temperature is 90-100 DEG C, and drying time is 24-48 hours.
The present invention on the other hand relates to the purposes of fine denier nylon filter cloth for Separation of Solid and Liquid, described Separation of Solid and Liquid general reference oil, chemical industry, mineral products, food, pharmacy, needs solid and liquid various situations separated from one another in the industries such as application.Also can be in life or the solid in solid-liquid suspendible body and liquid are carried out by laboratory scale the operation that is separated.
According to fine denier nylon filter cloth provided by the invention, compared with conventional filter cloth or filter screen, because the nylon fiber filament diameter forming filter cloth is thinner, reach thin dawn rank, the gap of filter cloth is little, therefore at strainability as shown obvious advantage in filtering rate and separating effect etc.; In addition, the total fiber number of nylon fiber bundle also very low (such as, the total fiber number of 34 nylon fibers only has 20 dtexs), this makes nylon filtering cloth very thin, and in filter process, filtration resistance is little, contributes to improving filter efficiency, also can reduce the use amount of nylon, reduce costs.In addition, because nylon fiber mechanical strength is high, wearability is good, makes fine denier nylon filter cloth durable.
Accompanying drawing explanation
Fig. 1 and Fig. 2 illustrates the stereoscan photograph of 70 μm of commercially available aperture filter screens;
Fig. 3 and Fig. 4 illustrates the stereoscan photograph of 30 μm of commercially available aperture filter clothes;
Fig. 5 and Fig. 6 illustrates the stereoscan photograph of fine denier nylon filter cloth in embodiment 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, further illustrate the present invention with reference to preferred exemplary embodiments.The features and advantages of the invention will become more clear along with these explanations.
raw materials used
Fine denier nylon fiber:
Source one: commercially available, filament number is 1.5 dtexs (dtex);
Source two: obtain by the embodiment 1-4 of the present inventor CN100580160B, filament number is 0.2 dtex (dtex).
Source three: obtain by the embodiment 1-4 of the present inventor CN100580160B, filament number is 0.5 dtex (dtex)
Source three: obtain by the embodiment 1-4 of the present inventor CN100580160B, filament number is 1.0 dtexs (dtex).
Embodiment 1: the preparation of nylon filtering cloth
The commercially available nylon fiber in source one is woven into filter cloth with bundle form, and the total fiber number of fibre bundle is 60 dtexs (dtex), and weaving mode is plain weave.
Embodiment 2: the preparation of fine denier nylon filter cloth
Be that the fine denier nylon fiber of 0.2 dtex (dtex) is woven into filter cloth with bundle form by the filament number in source two, the total fiber number of fibre bundle is 10 dtexs (dtex), and weaving mode is plain weave.
Embodiment 3: the preparation of fine denier nylon filter cloth
Be that the fine denier nylon fiber of 0.5 dtex (dtex) is woven into filter cloth with bundle form by the filament number in source two, the total fiber number of fibre bundle is 15 dtexs (dtex), and weaving mode is plain weave.
Embodiment 4: the preparation of fine denier nylon filter cloth
Be that the fine denier nylon fiber of 1.0 dtexs (dtex) is woven into filter cloth with bundle form by the filament number in source two, the total fiber number of fibre bundle is 20 dtexs (dtex), and weaving mode is plain weave.
Comparative example 1: commercially available 70 μm of aperture filter screens
Comparative example 2: commercially available 30 μm of aperture filter clothes
Filter cloth result of use contrasts
1, filtering rate
Experiment condition: 0.5%wt graphite-aqueous solution, uses same suction funnel, adopts several filter cloth/filter screen to filter respectively.Experimental result sees the following form 1:
Table 1: filtering rate experimental result
| Filtering rate (flow of filtrate) g/min | |
| Comparative example 1 | 889 |
| Comparative example 2 | 220 |
| The filter cloth of embodiment 1 | 471 |
| The filter cloth of embodiment 2 | 282 |
| The filter cloth of embodiment 3 | 370 |
| The filter cloth of embodiment 4 | 423 |
Known, in filtering rate, compared with commercially available filter screen, filter cloth, fine denier nylon filter cloth effect of the present invention is more excellent.
2, filter effect (separative efficiency)
Experiment condition: 0.5%wt graphite-aqueous solution, uses same suction funnel, adopts several filter cloth/filter screen to filter respectively.Experimental result sees the following form 2:
Table 2: filter effect (separative efficiency) experimental result
| Content of graphite %wt in filtered solution; G/100g | |
| Comparative example 1 | 0.21% |
| Comparative example 2 | 0.015% |
| The filter cloth of comparative example 1 | 0.0062% |
| The filter cloth of embodiment 2 | 0.0025% |
| The filter cloth of embodiment 3 | 0.0033% |
| The filter cloth of embodiment 4 | 0.0048% |
Known, in filter effect (separative efficiency), compared with commercially available filter screen, filter cloth, the filter effect of fine denier nylon filter cloth of the present invention is better, and show as solid in filtered solution (graphite) content few, separative efficiency is higher.
3, crushing resistance
When the pressure of liquid to be filtered increases to a certain degree, filter screen or filter cloth will crack or hole because of both sides pressure difference, thus cause and wear filter.The both sides pressure difference that filter screen or filter cloth can bear is called its anti-pressure ability.
Experiment condition: 0.5%wt graphite-aqueous solution, uses force (forcing) pump supercharging, adopts several filter cloth/filter screen to filter respectively.Experimental result sees the following form 3:
Table 3: anti-pressure ability experimental result
| Pressure difference MPa during compressive ultimate/wear filter | |
| Comparative example 1 | 0.3 |
| Comparative example 2 | 1.0 |
| The filter cloth of comparative example 1 | 1.8 |
| The filter cloth of embodiment 2 | 1.2 |
| The filter cloth of embodiment 3 | 1.3 |
| The filter cloth of embodiment 4 | 1.6 |
Known, in anti-pressure ability, compared with commercially available filter screen, filter cloth, fine denier nylon filter cloth anti-pressure ability of the present invention is better, shows that its crushing resistance is better.
4, durability
When filter liquide reaches a certain amount of, filter screen or filter cloth will produce filter efficiency because of wearing and tearing or solid blocking and decline and wear the situations such as filter.Filter efficiency is called the durability of filter screen or filter cloth the service time started when significantly declining.
Experiment condition: 0.5%wt graphite-aqueous solution, use force (forcing) pump supercharging, adopt several filter cloth/filter screen to filter respectively, both sides pressure difference is 0.25MPa.Experimental result sees the following form 4:
Table 4: durability experimental result
| Durability/continuous filtration time h | |
| Comparative example 1 | 5 |
| Comparative example 2 | 89 |
| The filter cloth of comparative example 1 | 137 |
| The filter cloth of embodiment 2 | 92 |
| The filter cloth of embodiment 3 | 107 |
| The filter cloth of embodiment 4 | 123 |
Known, in durability, compared with commercially available filter screen, filter cloth, fine denier nylon filter cloth durability of the present invention is better.
Fig. 1 and Fig. 2 represents the stereoscan photograph of 70 μm of aperture filter screens in comparative example 1.As we can see from the figure, have larger hole between fiber, filtrate is easier passes through from hole, instead of passes through from fiber gap;
Fig. 3 and Fig. 4 represents the stereoscan photograph of 30 μm of aperture filter clothes in comparative example 2.As we can see from the figure, the quantity of fiber hole is less, and filtrate is not too easy passes through from hole;
Fig. 5 and 6 illustrates the stereoscan photograph of fine denier nylon filter cloth in the embodiment of the present invention 1.From Fig. 5 and Fig. 6, the filter cloth of embodiment 1 is finer and close, and evenly.
More than describe the present invention in conjunction with specific embodiments.But, these embodiments are only illustrative, and it is to protection scope of the present invention and do not constitute any limitation.It will be appreciated by those skilled in the art that, when not exceeding or departing from scope, technical solutions and their implementation methods of the present invention have multiple modification, improvement or equivalent, these all should fall within the scope of protection of the present invention.
Claims (10)
1. the fine denier nylon filter cloth for Separation of Solid and Liquid, it is characterized in that, this fine denier nylon filter cloth is formed by fine denier nylon fiber weaving, the filament number of described nylon fiber is 0.2 ~ 1.0 dtex (dtex), the total fiber number of nylon fiber tow is 10 ~ 100 dtexs (dtex)
Described fine denier nylon fiber is obtained by a kind of composition, wherein,
Described composition comprises the compound of nylon and a kind of lanthanide rare metal, the use amount of the compound of lanthanide rare metal is: based on the weighing scale of nylon used, the weight of lanthanide rare metal is 50ppm ~ 10wt%, described composition also comprises other auxiliary agents following, based on the weighing scale of nylon used
The addition of antioxidant is 0.001wt%-1wt%;
The addition of ultra-violet absorber is 0.001wt%-1wt%;
The addition of light stabilizer is 0.001wt%-1wt%;
The addition of antistatic additive is 0.001wt%-1wt%,
Described nylon is nylon 6, nylon66 fiber,
Described fine denier nylon filter cloth is plain.
2. the fine denier nylon filter cloth for Separation of Solid and Liquid according to claim 1, is characterized in that, the total fiber number of nylon fiber tow is 15 ~ 50 dtexs (dtex).
3. preparation is according to the method for the fine denier nylon filter cloth of claim 1 or 2, comprises the following steps:
1), provide fine denier nylon fiber, its fibre single thread fiber number is 0.2 ~ 1.0 dtex (dtex), and described nylon is nylon 6, nylon66 fiber,
2), fine denier nylon fiber is woven into filter cloth with bundle form, the total fiber number of nylon fiber tow is 10 ~ 100 dtexs (dtex), and weaving mode is plain weave.
4. the method preparing fine denier nylon filter cloth according to claim 3, is characterized in that,
In order to provide step 1) fine denier nylon fiber, a kind of composition is provided, said composition comprises the compound of nylon and a kind of lanthanide rare metal, the use amount of the compound of lanthanide rare metal is: based on the weighing scale of nylon used, the weight of lanthanide rare metal is 50ppm ~ 10wt%, said composition also comprises other auxiliary agents following, based on the weighing scale of nylon used
The addition of antioxidant is 0.001wt%-1wt%;
The addition of ultra-violet absorber is 0.001wt%-1wt%;
The addition of light stabilizer is 0.001wt%-1wt%;
The addition of antistatic additive is 0.001%-1wt%,
Then adopt melt spinning method, be included in the compound adding a kind of lanthanide rare metal in the melt spinning process of nylon; And/or add other auxiliary agents aforementioned in the melt spinning process being also included in nylon.
5. method according to claim 4, is characterized in that, adds the compound of lanthanide rare metal before nylon heating and melting or during heating and melting.
6., according to the method for claim 4 or 5, it is characterized in that,
In spinning process, the temperature of nylon molten mass is within the scope of 130 ~ 320 DEG C, and the hole count of spinneret is 30-200, and aperture 0.1-0.6mm, the speed of winding is 100-8000 ms/min.
7. according to the method for claim 4 or 5, it is characterized in that, before melting to material used, comprise the compound of lanthanide rare metal, nylon chips and optional auxiliary agent and carry out drying, to remove moisture and small-molecule substance, baking temperature is 90-100 DEG C, and drying time is 24-48 hours.
8. the purposes of Separation of Solid and Liquid is used for according to the fine denier nylon filter cloth of claim 1 or 2, this fine denier nylon filter cloth is formed by fine denier nylon fiber weaving, described Separation of Solid and Liquid refers in oil, chemical industry, the energy, mineral products, building, metallurgy, food, pharmacy, application, dyestuff, material, environmental protection industry (epi) to be needed solid and liquid situation separated from one another, or in life or the solid in solid-liquid suspendible body and liquid are carried out by laboratory scale the operation that is separated.
9. fine denier nylon filter cloth according to claim 8 is used for the purposes of Separation of Solid and Liquid, and it is characterized in that, the filament number of nylon fiber is 0.2 ~ 1.0 dtex (dtex), and described nylon is nylon 6, nylon66 fiber.
10. the fine denier nylon filter cloth of according to Claim 8 or 9 is used for the purposes of Separation of Solid and Liquid, and it is characterized in that, the total fiber number of nylon fiber tow is 10 ~ 100 dtexs (dtex), and described fine denier nylon filter cloth is plain.
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| CN112301441B (en) * | 2020-10-29 | 2022-05-27 | 厦门安踏体育用品有限公司 | Preparation method of superfine denier nylon fiber and ultralight fabric and ultralight jacket |
| CN114887397B (en) * | 2022-05-16 | 2024-05-31 | 江苏博同环保科技有限公司 | Durable filter cloth plate capable of being recycled |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101311389A (en) * | 2007-05-21 | 2008-11-26 | 北京大学 | Process for producing fine denier or superfine denier nylon fibre composition and fine denier or superfine denier nylon fibre |
| CN102161755A (en) * | 2011-03-25 | 2011-08-24 | 杭州师范大学 | Nylon-6 resin, nylon-6 fiber and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS63162012A (en) * | 1986-12-26 | 1988-07-05 | Toray Ind Inc | Production of filter cloth for solid-liquid separation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101311389A (en) * | 2007-05-21 | 2008-11-26 | 北京大学 | Process for producing fine denier or superfine denier nylon fibre composition and fine denier or superfine denier nylon fibre |
| CN102161755A (en) * | 2011-03-25 | 2011-08-24 | 杭州师范大学 | Nylon-6 resin, nylon-6 fiber and preparation method thereof |
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