MXPA98006667A - Fibrous material, fibrous material production process, ink absorption members, ink absorption member treatment process, ink tank container and it cartridge - Google Patents
Fibrous material, fibrous material production process, ink absorption members, ink absorption member treatment process, ink tank container and it cartridgeInfo
- Publication number
- MXPA98006667A MXPA98006667A MXPA/A/1998/006667A MX9806667A MXPA98006667A MX PA98006667 A MXPA98006667 A MX PA98006667A MX 9806667 A MX9806667 A MX 9806667A MX PA98006667 A MXPA98006667 A MX PA98006667A
- Authority
- MX
- Mexico
- Prior art keywords
- ink
- glycol
- treatment
- fibrous material
- process according
- Prior art date
Links
- 239000002657 fibrous material Substances 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 title claims abstract description 75
- 238000004519 manufacturing process Methods 0.000 title claims description 66
- 238000010521 absorption reaction Methods 0.000 title description 37
- LYCAIKOWRPUZTN-UHFFFAOYSA-N glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 139
- IAYPIBMASNFSPL-UHFFFAOYSA-N oxane Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 20
- 238000002074 melt spinning Methods 0.000 claims abstract description 8
- 239000000835 fiber Substances 0.000 claims description 175
- 239000003921 oil Substances 0.000 claims description 136
- 239000003795 chemical substances by application Substances 0.000 claims description 63
- -1 polyethylene Polymers 0.000 claims description 63
- 239000006096 absorbing agent Substances 0.000 claims description 55
- 239000000654 additive Substances 0.000 claims description 52
- 229920005989 resin Polymers 0.000 claims description 43
- 239000011347 resin Substances 0.000 claims description 43
- 238000009987 spinning Methods 0.000 claims description 31
- 230000000694 effects Effects 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 27
- 239000004698 Polyethylene (PE) Substances 0.000 claims description 26
- 229920000573 polyethylene Polymers 0.000 claims description 26
- 239000000243 solution Substances 0.000 claims description 20
- 239000000853 adhesive Substances 0.000 claims description 17
- 239000007864 aqueous solution Substances 0.000 claims description 17
- 229920001155 polypropylene Polymers 0.000 claims description 16
- 239000004743 Polypropylene Substances 0.000 claims description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000000314 lubricant Substances 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 10
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 10
- 239000011591 potassium Substances 0.000 claims description 10
- 229910052700 potassium Inorganic materials 0.000 claims description 10
- 125000000129 anionic group Chemical group 0.000 claims description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- 239000011574 phosphorus Substances 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 7
- 229920000306 polymethylpentene Polymers 0.000 claims description 7
- 239000011116 polymethylpentene Substances 0.000 claims description 7
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 239000004416 thermosoftening plastic Substances 0.000 claims description 6
- 239000005977 Ethylene Substances 0.000 claims description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 5
- 230000002829 reduced Effects 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 4
- 230000001804 emulsifying Effects 0.000 claims description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 3
- 230000001172 regenerating Effects 0.000 claims description 2
- 238000005429 turbidity Methods 0.000 claims description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims 6
- 239000000976 ink Substances 0.000 description 527
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 42
- 238000005507 spraying Methods 0.000 description 25
- 239000004094 surface-active agent Substances 0.000 description 25
- 239000000126 substance Substances 0.000 description 22
- 238000010438 heat treatment Methods 0.000 description 20
- 239000003963 antioxidant agent Substances 0.000 description 18
- 235000006708 antioxidants Nutrition 0.000 description 18
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 18
- 230000004075 alteration Effects 0.000 description 16
- 230000000111 anti-oxidant Effects 0.000 description 15
- QFXZANXYUCUTQH-UHFFFAOYSA-N Ethynol Chemical compound OC#C QFXZANXYUCUTQH-UHFFFAOYSA-N 0.000 description 14
- 238000007639 printing Methods 0.000 description 14
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 12
- 229920005672 polyolefin resin Polymers 0.000 description 11
- MTHSVFCYNBDYFN-UHFFFAOYSA-N Diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 10
- KFZMGEQAYNKOFK-UHFFFAOYSA-N iso-propanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 230000000996 additive Effects 0.000 description 9
- 238000009960 carding Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 9
- 230000002209 hydrophobic Effects 0.000 description 9
- 239000002736 nonionic surfactant Substances 0.000 description 9
- 238000011068 load Methods 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
- 239000004745 nonwoven fabric Substances 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 239000003945 anionic surfactant Substances 0.000 description 6
- 239000004202 carbamide Substances 0.000 description 6
- 235000014113 dietary fatty acids Nutrition 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 6
- 239000000194 fatty acid Substances 0.000 description 6
- 239000008213 purified water Substances 0.000 description 6
- 238000004064 recycling Methods 0.000 description 6
- 230000000717 retained Effects 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- JOYRKODLDBILNP-UHFFFAOYSA-N ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 239000006260 foam Substances 0.000 description 5
- 150000002334 glycols Chemical class 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 238000009114 investigational therapy Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 235000021317 phosphate Nutrition 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- CJZGTCYPCWQAJB-UHFFFAOYSA-L Calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 3
- 210000001736 Capillaries Anatomy 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- 229920001214 Polysorbate 60 Polymers 0.000 description 3
- 230000003078 antioxidant Effects 0.000 description 3
- 239000002216 antistatic agent Substances 0.000 description 3
- 239000008116 calcium stearate Substances 0.000 description 3
- 235000013539 calcium stearate Nutrition 0.000 description 3
- 125000004432 carbon atoms Chemical group C* 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000009950 felting Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000036961 partial Effects 0.000 description 3
- 150000002978 peroxides Chemical class 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 238000004445 quantitative analysis Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 238000007669 thermal treatment Methods 0.000 description 3
- PWWSSIYVTQUJQQ-UHFFFAOYSA-N Distearyl thiodipropionate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCCCCCC PWWSSIYVTQUJQQ-UHFFFAOYSA-N 0.000 description 2
- 239000002656 Distearyl thiodipropionate Substances 0.000 description 2
- 210000004177 Elastic Tissue Anatomy 0.000 description 2
- 210000002381 Plasma Anatomy 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N Stearic acid Chemical class CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K [O-]P([O-])([O-])=O Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 230000001070 adhesive Effects 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229920001940 conductive polymer Polymers 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000003247 decreasing Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 235000019305 distearyl thiodipropionate Nutrition 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 125000001165 hydrophobic group Chemical group 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 201000002161 intrahepatic cholestasis of pregnancy Diseases 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 230000001050 lubricating Effects 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 239000002530 phenolic antioxidant Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005063 solubilization Methods 0.000 description 2
- 238000010183 spectrum analysis Methods 0.000 description 2
- 230000000087 stabilizing Effects 0.000 description 2
- 230000000576 supplementary Effects 0.000 description 2
- NECRQCBKTGZNMH-UHFFFAOYSA-N 3,5-dimethylhex-1-yn-3-ol Chemical compound CC(C)CC(C)(O)C#C NECRQCBKTGZNMH-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 210000003414 Extremities Anatomy 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 229920002521 Macromolecule Polymers 0.000 description 1
- 229920001225 Polyester resin Polymers 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 210000002356 Skeleton Anatomy 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- YODZTKMDCQEPHD-UHFFFAOYSA-N Thiodiglycol Chemical compound OCCSCCO YODZTKMDCQEPHD-UHFFFAOYSA-N 0.000 description 1
- 229950006389 Thiodiglycol Drugs 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003254 anti-foaming Effects 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 125000004429 atoms Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 230000005591 charge neutralization Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000002939 deleterious Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000002542 deteriorative Effects 0.000 description 1
- 230000001627 detrimental Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 125000003827 glycol group Chemical group 0.000 description 1
- 150000002338 glycosides Chemical class 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 229920005669 high impact polystyrene Polymers 0.000 description 1
- 239000004797 high-impact polystyrene Substances 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 125000001841 imino group Chemical group [H]N=* 0.000 description 1
- 230000001771 impaired Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000002563 ionic surfactant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000001264 neutralization Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- XHRNZFNQNUVHNY-UHFFFAOYSA-M potassium;dihydrogen phosphate;octadecanoic acid Chemical compound [K+].OP(O)([O-])=O.CCCCCCCCCCCCCCCCCC(O)=O XHRNZFNQNUVHNY-UHFFFAOYSA-M 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000003068 static Effects 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 150000003509 tertiary alcohols Chemical class 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Abstract
Disclosed herein is a process for producing a fibrous material for a member with which the ink jet ink is contacted, including a melt spinning step a thermoplastic resin, the process comprises the step of treating a meollar placing it in contact with a glycol added ethylene oxide
Description
'' FIBROUS MATERIAL, PROCESS OF PRODUCTION OF FIBROUS MATERIAL, MEMBER OF INK ABSORPTION, PROCESS OF
TREATMENT OF THE MEMBER OF ABSORPTION OF INK, INK TANK CONTAINER AND INK CARTRIDGE "
BACKGROUND OF THE INVENTION
FIELD OF THE INVENTION
The present invention relates to a fibrous material suitable for members used in contact with an ink, a fiber mass formed from the fibrous material, an ink tank containing the fiber mass therein, an ink jet apparatus that uses the fiber mass as at least a part of its members with which the ink is contacted, and a fibrous material production process.
RELATED TECHNICAL BACKGROUND
In ink tanks [including a portion of the ink tank in an ink jet cartridge formed integrally together with an ink jet head (registration head)] used in an ink jet apparatus (registration), it is used generally a member called an ink absorber member, which serves to absorb and * retain an ink therein and supply the ink to a head as needed. In a form of ink jet cartridges and the like, wherein the ink tank thereof is removably installed in a cartridge, and the ink tank is only replaced when an ink contained in the ink tank has been consumed, an ink absorbing member having a joint function of generating an intense capillary force on the surface of W together with a registration head to collect the ink
inside the ink tank therein and supply it to the head, that is, a joint member can also be used at the same time in some cases. As the ink absorbing member accommodated in an ink chamber, a spongy member composed of
Example of an ethane polymer is known, while a member composed of for example, polyethylene, polyethylene terephthalate or the like, is known as the spreader member. Since the ink jet head has a
Precise structure and tends to cause failure of life ejection to the inclusion of dust, dirt and / or similar factors, is also conducted to provide a filter in an appropriate position in an ink flow path, in order to prevent the failure of ejection.
"f- As these ink absorbing members (including gasket members or filters) are tested those of different materials and shapes, as one of them, it is known that a fibrous material is molded at a predetermined density to achieve a function of ink absorption, joint function or filtration function making good use of the spaces defined between the fibers of the fibrous material, in order to allow a molded part of
As the fibrous material functions as an absorption member for inkjet inks, it is required that the ink can be received effectively by capillary force in the spaces defined between the fibers of the fibrous material when molded into the molded part, Y
at the same time the spaces between the fibers are retained securely to retain the ink therein, even after the ink has been charged and the ink can be uniformly supplied to an ink jet head connected to the absorption member.
when the pressure on the side of the head is reduced by ejecting the ink. For example, Japanese Patent Application Number 8-310011 discloses that a non-woven fabric, in which a ratio between the surface tension and the
Electrical conductivity satisfies a specified equation, it is used as the ink absorber member. Japanese Patent Application 8-20115 discloses that the disposition of the elastic fibers within an ink chamber of an ink tank is adjusted to securely retain the spaces between the fibers, thereby allowing a molded part composed of a fibrous material to function as an ink absorbing member. further, a fibrous material itself requires that any component, which demonstrates that it is unfavorable to the ink itself and to the ejection of the ink from the ink jet head, does not dissolve outwardly therefrom, during contact with the ink or in ink. In case of doing so, its quantity is reduced to the extent that the unfavorable situation is not caused. For example, Japanese Patent Application Number 4-348947 discloses that an ink absorber member composed of a urethane polymer is washed with a polar solvent in advance to dissolve and remove non-volatile components thereby retaining the amount of the dissolved components outward during contact with the ink, up to almost 0.04 weight percent based on the weight of the ink. The Japanese Patent Application Number 64-4350 has as its object the solution of a problem that - -
additives such as the metal salts of stearic acid dissolve outwardly in an ink from a resin or synthetic rubber from which an ink tank is formed to store the ink, and disclose the provisions of the sodium ion concentration in an ink that is going to be stored as a means to solve this problem. However, this publication does not refer to an absorption member to retain the ink, in particular, a member
^ B? of absorption to which the fibrous material is applied, nor that
say about the process of fibrous material production. The present inventors have carried out an investigation in which a filamentous fibrous material of a polyolefin resin disclosed in
Japanese Patent Application Number 8-20155 is changed to a multifilament fibrous material having higher productivity, or replaced by a cut fiber material, with a view to further reduce the cost of the ink absorber members used for the tanks from
ink for the ink jet. As a result, it has been found that the only limitation of the variation in the ratio of surface tension to electrical conductivity before and after washing with water disclosed in Japanese Patent Application Number 8-310011
are not enough materials for members of - -
ink absorption and therefore, a material can rather detrimentally affect the printing operation in some cases. The first cause of this is that even the adjoining substances that can be washed off with water have been removed from a fiber mass by washing, a part of these substances is still in the fiber mass without washing. Namely, it has been found that the fact that "the relationship of surface tension to electrical conductivity does not change even after washing" which is referenced in Japanese Patent Application Number 8-310011, is not synonymous with the fact that "the attached substances have actually been removed by washing". The fact that the attached substances still remain has been clarified from the fact that there are substances that are going to be washed or removed when a fiber mass no longer undergoes a change in the ratio of the surface tension to the electrical conductivity during the washing that is also washed out when divided into portions, which is demonstrated by a weight change measurement and infrared spectroscopic spectrum analysis. The second cause is that there are substances that can not be removed with water and dissolve in an ink to detrimentally affect the ink jet's adaptability. Namely, any treatment to remove the attached substances with water has its limit to fulfill higher operating requirements even when several methods are adopted. In addition, a fibrous material itself is required that does not release any component, which proves to be unfavorable for the ink itself and for the ejection of the ink from an ink jet head, during contact with the ink or in any case to reduce its amount to a degree that does not cause unfavorable. Japanese Patent Application Number 9-109410 discloses a necessary feed contact angle for a porous absorber used in simplifying and stabilizing the filling of an ink in an ink absorbing member, but does not describe or suggest anything about an absorption member obtained by molding fiber. In addition, an additional point that must be taken into account includes a phenomenon that will be described below. Namely, there is a phenomenon that in a case where the ejection energy is applied to an ink using an electrothermal converter, the deposits may appear in a partial region inside an ink ejection nozzle, which is distant from the electrothermal converter , not near the electrothermal converter, in some cases and the wetting capacity such as the front contact angle or the back contact angle with the ink in this region is different from the surrounding environment, thereby causing a deviation of the ejection direction (slip). Fundamentally, the deposit is usually present in a trace amount (thickness of the deposit layer: at most 1 micrometer) and dissolves in the inks, but may appear in some cases when a case where the apparatus Ink jet recording is allowed to stand in a dry environment or under conditions where the temperature changes rapidly in a short period of time, as in a thermal cycle test when combined with a case where a drop of ink ( when much of 20 ng) that has small kinetic energy is ejected. Namely, it has been found that the components derived from various kinds of additives contained in a fibrous material as a product and the treatment oils applied to a production step are released to an ink during contact with the ink, and are caused by this an ink ejection failure. In particular, a spinning oil and a finishing oil which are applied as a lubricant, antistatic and fiber-like agent during the production step of the fiber, contain an oily component and an agent -
# - surfactant in a mixed state, and in addition, a neutralizer having a function to neutralize a residue in a polymerization catalyst, stabilizers or compatibilizers including an antioxidant, a lubricant and the like, are also added to a starting resin. When these substances are released into an ink, they move in the form of solutes having a low solubility or suspended matter together with the ink to form a deposit layer such as an oil film on a side of the ejection opening. of the ink jet head and remain there, thereby deteriorating the water repellency of the ejection opening face which forms the cause whereby ejection failure is caused.
ink.
* COMPENDIUM OF THE INVENTION
The present inventors have found that the
The above-described problems can be solved by using a specific treatment agent to remove or dissolve or emulsify these components that dissolve outwardly in advance. An object of the present invention is to provide a fibrous material of which a member such as an inexpensive and highly functioning ink absorbing member in which the liquid is contacted, a production process thereof can be produced. Another object of the present invention is to provide a member such as an inexpensive and highly functioning ink absorbing member, with which a liquid and a production process is brought into contact therewith. A further object of the present invention is to provide a fibrous material in which the content of the component (which will be referred to below as the "releasable component") that is likely to be released into an ink and forms the cause of a failure of ink ejection from the ink jet head, is effectively retained, a member such as an ink absorbing member with which the liquid is brought into contact, the composite of the fibrous material and the production processes thereof. . A still further object of the present invention is to provide an ink absorber member that functions as a member for an ink jet and that can be used in the production of an ink tank having an appropriate structure for recycling and a production process. of the same.
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Still a further object of the present invention is to provide an ink tank having an appropriate structure for recycling, and an ink jet apparatus using the ink tank. The aforementioned objects can be achieved by the present invention which will be described below. In one aspect of the present invention, there is thus provided a process for producing a fibrous material for a member with which the ink jet ink is contacted, including the step of spinning a thermoplastic resin, the process comprises the step of: subjecting a meollar or a glycol treatment in which the meollar is contacted with a glycol added with ethylene oxide. In another aspect of the present invention, a fibrous material produced in accordance with the production process described above is also provided. In a further aspect of the present invention, a fibrous material composed of a thermoplastic resin to which a glycol added with ethylene oxide is applied is provided.
In yet a further aspect of the present invention, there is provided a fibrous material composed of a thermoplastic resin, wherein an amount released during contact with an ink jet ink of the 5 releasable components derived from the treatment oils, which will possibly released to the inkjet ink, is at most 100 parts per million based on the weight of the ink. # In yet another aspect of the present invention,
there is provided an ink absorbing member that can hold, supply an ink jet ink therein wherein the member is composed primarily of one of the fibrous materials described above. In still a further object of the present invention, a process for treating a member is provided
* of ink absorption that can be supplied with an ink jet ink therein, the process comprising the steps of: treating a molded part comprising a fibrous material composed of a thplastic resin and with a treatment agent containing an added glycol with ethylene oxide. In still an additional aspect of this
invention, an ink absorbing member is provided > treated in accordance with the treatment process described above. In yet another additional object of the present invention, there is provided an ink absorbing member 5 comprising a fibrous material composed of a thplastic resin which can supply an ink jet ink therein, wherein an amount released during contact with the inkjet ink of the releasable components derived from the oils of the
The treatment set to the fibrous material, which is likely to be released to the inkjet ink, is at most 100 parts per million based on the weight of the ink. In still an additional aspect of this
In accordance with the invention, there is provided an ink tank container for the ink jet head comprising an ink chamber having an opening portion communicating with the air and an ink supply opening connected to the ink jet head. ink, where one of the
The ink absorption member described above is fitted within a region that includes the ink feed opening in the ink chamber. In still a further aspect of the present invention there is provided an ink tank container for
the ink jet head comprising an ink chamber having an opening part communicating with the air, and a connection chamber for the head, which communicates with the ink chamber and is adapted to feed a ink from the ink chamber to an ink jet head 5 through a connection opening towards the ink jet head, wherein one of the ink absorbing members described above fits within the chamber of connection for the head.
- # In yet another additional aspect of this
In accordance with the invention, an ink tank is provided in which an ink jet ink is charged into the ink chamber of the ink tank package described above. In yet another additional aspect of this
According to the invention, there is provided an ink jet cartridge comprising the ink tank described above and an ink jet head for ejecting an ink contained in the ink tank in a recording medium for recording purposes. . In yet a further aspect of the present invention, there is provided an ink jet apparatus comprising the above-described ink jet cartridge and a carriage in which the ink jet cartridge is removably mounted.
-
In yet another additional aspect of the present invention there is provided a treatment process for regenerating an ink-absorbing member for the ink jet composed mainly of a fibrous material, the process comprising the step of: treating the absorption member of the ink jet. ink with a residual ink retained therein with a treatment agent containing a glycol added with an oxide of
# ethylene. 10 BRIEF DESCRIPTION OF THE DRAWINGS
Figures IA, IB, 1C and ID, schematically illustrate the molecular structures of the surfactants. Figures 2A and 2B illustrate a spinning step. Figure 3 illustrates another step of spinning. Figure 4 illustrates the steps of elongating and finishing a loom in the step illustrated in Figure 3. Figure 5 illustrates the step of treating the yarn obtained through the steps illustrated in Figure 4 by spraying a treatment agent containing a glycol added with EO (ethylene oxide).
Figures 6A and 6B illustrate the structure of an ink absorber member using a thermo-adhesive fiber. Figures 7A, 7B and 7C illustrate the writing of an ink absorber member using another thermo-adhesive fiber. Figures 8A, 8B, 8C and 8D illustrate the structure of an obtained ink absorber member
* mixing two classes and fibers and fixing a network structure by thermal adhesion. Figure 9 illustrates a relationship between an ink tank and an ink jet head. Figures 10A and 10B are perspective views illustrating the structure of the ink jet cartridge,
wherein Figure 10A shows an ink tank, and the
Figure 10B shows a retaining portion formed integrally with the ink jet head portion. Figures HA, 11B and 11C, illustrate an example of the structure of an ink tank, wherein Figure 20 HA is a cross-sectional view thereof, and Figures 11B and 11C are partial cross-sectional views illustrating the steps of attaching an opening part of the ink tank, with a part of the filter on the side of a receptacle.
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Figure 12 illustrates an exemplary form of a? board member Figure 13 illustrates the internal structure of a portion of the receptacle of an ink jet cartridge. 5 Figures 14A, 14B and 14C, are developments of the ink jet cartridge assembly. Figure 15 is a cross-sectional view illustrating an example of the structure of the ink tank. Figure 16 illustrates an example of the ink jet structure. Figure 17 illustrates an exemplary production process of an ink absorber member. Figure 18 illustrates the exemplary production process of an ink absorber member. Figure 19 illustrates the exemplary production process of the ink absorber member. Figure 20 is a perspective view illustrating an example of an ink jet recording apparatus.
DETAILED DESCRIPTION OF THE PREFERRED MODALITIES
The present invention will be described below by taking the ink absorption members as typical examples. However, the fibrous materials according to the present invention are not limited to materials for the ink absorbing members, and can be appropriately used as 5-member materials in ink jet devices and the like, wherein the ink is contact by examples with members such as filters and cleaning members. The shapes of the ink absorbing members
in accordance with the present invention include a member that is loaded and placed in a whole ink chamber of an ink tank, and a seal member used as a gasket on the ink jet head. Members of ink absorption in accordance
with the present invention can be formed from a fibrous material produced using a thermoplastic resin such as for example a polyolefin resin or the like and treated by contacting them with an added glycol with ethylene oxide (to which reference will be made below)
as "glycol with added EO") at any stage before contacting an ink during use. The treatment with glycol with added EO can be conducted as at least one that is selected and enters, for example, -
g ^ "(1) a treatment to apply the glycol with EO-added to a yarn; (2) a treatment to replace a releasable component that is possibly released to an ink in a yarn by glycol with EO-added to reduce a amount of the component, and (3) a treatment for dissolving or emulsifying the releasable component in a yarn in the glycol with EO-added.10 Examples of glycol with EO-added include acetyleglycol having a triple bond, wherein it has less a secondary chain at a central site of a linear backbone and ethylene oxide is added to this side chain residue, for example, those
represented by a formula
CH, CH3-CH-CH2
twenty
- -
where m and m are individually an integer, where the number (N = m + n) of moles of ethylene oxide (EO) that are added is from 3 to 30. The properties of the glycol with EO-added can be selected in any way always and when the effects of the present invention are achieved. However, glycosides with EO-added having an HLB of about 13 and a cloudiness of at least 80 ° C are especially preferred. Preferred examples of these glycols with EO-added
include those where the number of moles of EO added is 10 (eg Acetynol EH, name of factory, product of Kawaken Fine Chemicals Co., Ltd .; and Surfynol 465, name of factory, product of Air Products and Chemicals Inc. ). The glycos with EO-added according to the present invention have been selected under the following circumstances. Viewed from the aspect of the structure, the surfactants include a type of monochain-hydrophobic group, a type of polycarbonate-hydrophobic group, a type of hydrophobic cyclic group, etc. Typical molecular structures thereof are illustrated in Figures IB to ID. Figure 1C schematically illustrates the molecular structure (structure AB)
of the monochain-hydrophobic group type, and Figures IB - -
* and ID illustrate the molecular structures (ABA structure and AAB structure, respectively) of the polycadena-hydrophobic group type. Inherently, "A" and "B" represent a residue of the hydrophobic group and a residue 5 of the hydrophilic group in Figure IA, respectively. When a surfactant incorporated in an ink jet ink, particularly an ink used in a bubble jet system is selected, it is important to select it from the viewpoint of its influence and the stability during storage of the resulting ink and in the degree of incidence of the ink on the recording paper with respect to the physical properties of the ink and from the point of view of control of the bubbles with respect to the stable feeding of the
ink. In the bubble jet system in particular, it is important to select a surfactant from a
# Bubble forming ability and anti-bubble capability of the surfactant. The inventors present first have led
carries out an investigation as to the various surfactants including a surfactant of the mono chain type of the fatty acid ester type. As a result, surfactants that universally exhibit an effect on inks having a pH within a range of 6 to 11 have, of course, been found. More specifically, the general treatment oils are suitably designed to impart many functions such as the antistatic property and the property of packaging the fiber, filament or yarn, and generally used as a combination of at least two components such as a surfactant and various additives. However, the treatment oils of the multi-component system are somewhat annoying from the point of view of designing a composition and the like, the complication of a production process, etc. Therefore, treatment oils of a single component system are desirable if possible. For example, when attention is paid to the property of packaging only, it is possible to use water instead of the treatment oil. The present inventors have carried out various investigations on the basis of these points of view and have succeeded in choosing the glycols with EO-added, in particular, the etherified compounds of a tertiary alcohol and polyethylene glycol, ie acetylene glycol with EO- added In acetylene glycol with EO-added, the propylene groups respectively linked to the carbon atoms linked to each other by a triple bond, show hydrophobic nature, and the -CH2- groups of ethylene oxide (EO) added to the glycol residues are well balanced with hydrophilic nature imparted by hydration of the ether bonds even when they are hydrophobic groups (see Figure IA) . With respect to the cloudiness of the surfactants, it has been found that when the spinning oil is replaced in a hot water elongation bath, a surfactant as a replenishing agent is suspended in the hot water elongation bath if the temperature of the hot water is almost or higher than the cloudiness of the surfactant to take the oil and the releasable components that are originally attached to the fiber therein, thus decreasing its effect in dissolving them in a miscellar way . On the other hand, in addition to a case where an appropriate treatment oil is selected as the treatment oil fixed in one step before the treatment with the glycol with EO-added, a component of the surfactant derived from the oil or treatment has a temperature of varying turbidity in an apcional case and it is difficult to dissolve in a liquid of a temperature not lower than the cloudiness of the surfactant. This is the reason why the surfactant as a replenishing agent is able to exhibit its function. The present inventors have found for the first time that the glycols with EO-added have this effect as a replacement agent, that is, a replacement effect of the 5 components in the treatment oil (particularly, the components of the surfactant in the treatment oil) and the various additives contained in the fiber are removed from the fiber to form a miscella, and instead the glycol itself is fixed to the fiber. Some supplementary description is provided in the cloud temperature characteristic of these nonionic surfactants. In ionic surfactants, their solubility increases gradually as the temperature rises and increases markedly
at a temperature not lower than the Krafft temperature (Kp) because they disperse and dissolve in a miscellar state. On the other hand, the nonionic surfactants have a comparatively stable surfactant effect independently of the pH and the ionicity of a
objective substance. Therefore, nonionic surfactants are used in the present invention. In non-ionic surfactants, however, their hydration properties decrease as the temperature rises and therefore, they experience
phase separation by themselves at a temperature no lower than the cloudiness (Cp) thereof to become turbid. Acetylenol E, as a nonionic surfactant has a molecular structure illustrated in Figure IB and its HLB can be adjusted by the number of moles of EO added. Since it is stable to temperature and ultraviolet light and therefore, it ensures stability in a step of fiber production or a step
# of hot molding to mold a fibrous material in
an ink absorbing member and further has low foam formation and high anti-foaming property, is suitable for use in the treatments of the present invention. From another point of view, it does not involve any problem due to its excellent adaptability for the jet
of ink since even when the glycol is dissolved in an ink after the fibrous material is formed in a
F member such as an ink absorbing member, with which the ink is contacted, the glycol itself can control the penetrability of the applied ink
to the recording paper surface in a thickness direction of the recording paper while suppressing the diffuse penetration of the ink into a flat division of the recording paper and from which it can improve the stability of the bubble jet in a jet system of ink in W v where the ejection energy is applied to an ink by means of an electrothermal converter. Further, in order to impart dissolution stability to a coloring material, for example, a dye 5 in an ink, is generally carried out to control the pH of the ink within a range of weak acidity to alkalinity. Taking this point into account, it is desirable to use a treatment solution that has a
# pH similar to the pH of the ink as much as possible. For the
Therefore, when a solution of a glycol with EO-added in an aqueous solution of 0.001 to 0.1 N of sodium hydroxide in a solvent is prepared, better results are obtained. Acetylenol E described above is stable even under strong alkali, and is also preferred from this point
of view. The treatment with the glycol with EO-added below will be described in due order of the production step of a fibrous material. Figures 2A, 2B, 3, 4 and 5, illustrate an example
of spinning a fibrous material using a thermoplastic resin. Figures 2A and 2B relate to a spinning step for filament and Figures 3 to 5 relate to a spinning step for cut fiber. As illustrated in Figure 2A, a resin
The thermoplastic in a polymer inhibitor 79 is extruded in a molten state from an extrusion apparatus 80 and then cooled in an air cooling tube 81 to form a thread or strand. A spin oil 83 is applied to the surface of the cooled yarn by an elongated roll 84 by a roll 85 and then wound onto a spool 86. As illustrated in FIG. 2B, in addition, the yarns of a plurality of these spools 86 they are subjected to a flange 87 and the beaded yarn obtained in this manner is wound on a winding roll 88. Figures 3 to 5 will be explained. First, as shown in Figure 3, a thermoplastic resin in a polymer melter 79 it is extruded in a molten state from an extrusion apparatus 130 and then cooled in an air cooling tube 131 to form a thread or strand. A spinning oil 133 is applied to the surface of the cooled yarn by a roller 134, elongated more or less by the rollers 135 and then received in a can 136. The spin oil 133 is prepared in an oil formulation tank 187 and fed through a liquid supply pipe 189 by a pump 188. Then, as illustrated in Figure 4, the threads are extracted together from a plurality of cans 136 and heated with hot water 181 in an elongation bath 182 to elongate in an elongation passage 137. In addition, a finishing oil 183 is applied to the yarns and the yarns are flanged by a flange 139. Then, the flanged yarn obtained in this way is passed through a drying oven 143 and is stored as a tow 140 or as a cut fiber 142 that is obtained by grinding the tow by a cutting blade 141 according to the manner of use. The finishing oil 183 is prepared in an oil formulation tank 184 and fed into an oil treatment bath 138 through a liquid feed line 186 by a pump 185. In the present invention, such as the thermoplastic resin as for example, a polyolefin resin or a polyester resin is used taking into account the cost of production, operation, ease of recycling, etc. Since the polyolefin resin is chemically stable and resistant to acids, alkalis and various solvents, it has an excellent water vapor barrier property, which it also uses on members such as the ink jet head and an ink tank, with which the ink is contacted. The polyolefin resin is preferred since the availability by recycling is improved using the same material as used in the ink tank. The polyolefin resin can be a mixture of a plurality of resins as long as they have high crystallinity and are compatible with one another. Specific examples of the polyolefin resin include polymethylpentene (specific gravity: 0.83) of light test weight as well as polypropylene (specific gravity: 0.91), with second gravity remaining in specific gravity, polyethylene, ethylene and propylene copolymers and the ethylene-alpha-olefin copolymers. At least one that is selected from these resins can be used. When materials are taken care of the environment and pl fit in a resource-recycling society is
design, it is desirable to use polypropylene which is an economical resin for general purposes, since various fields are used ranging from daily needs to cooking containers of heat-resistant food, in storage bases, medical syringes, bags of
transfusion and filters for water treatment and a semiconductor field. Research by the present inventors has revealed that when the fibrous material using a polyolefin resin is used to form a
For the ink jet, with which the ink is brought into contact, it is important to further investigate the dimensional, structural and chemical characteristics of the fiber. With respect to the polyrene that has tertiary carbon atoms in each other atom in a skeleton of
In the case of polypropylene, LDPE (low density polyethylene) having many secondary chains or one similar, attention has been paid to additives, such as antioxidants that carry chemical stability and neutralizers. A supplementary description will now be provided on additives for polyolefin resins in particular as representatives. Antioxidants are roughly classified into primary antioxidants and secondary antioxidants. The primary antioxidants yrk. include phenolic antioxidants and antioxidants of type
amine that function as radical chain terminators. The latest secondary antioxidants include sulfur-type antioxidants and phosphorus-type antioxidants that function as decomposition agents for the peroxides formed. When described in detail, what
Which is used to prevent decomposition and deterioration by radicals generated in a resin by an external cause such as oxygen, heat or ultraviolet light to grow similar to a chain reaction which is the primary antioxidant or the radical cleaner in terms of
action, or the radical string terminator in terms of that object. What is used to break down the peroxides formed while inhibiting the generation of radicals is the secondary antioxidant or the peroxide decomposition apparatus in terms of action. Specifically,
Typical phenolic antioxidants include DHT (2,6-di-t-F-butyl-p-cresol) and the like. However, tetrakis- [methylene-3- (3 ', 5'-di-t-butyl-4' -hydroxyphenyl) propionate] methane having a high melting temperature is of course desirable. On the other hand, the sulfur type 5 antioxidants include distearyl thiodipropionate (DSTP) and the like. In both antioxidants, those having a high melting temperature are desirable from the point of view that they are difficult to be released into an ink and
* get in touch with the ink. On the other hand, it is possible to select a good additive even from the hindered amine type antioxidants and the like. However, this additive is easy to be released into an ink. Therefore, it is desirable to select the same over the fact that it is easy to
free The object of the present invention is to ensure the good suitability of a fibrous material for the ink jet while the fibrous material is produced in a way that is used extensively as much as possible to reduce its cost of production. From this point of view,
It is not desirable to limit still the additives contained in a starting resin. Therefore, it is preferred to strictly select a starting resin grade in which preferred additives are used among the existing general purpose qualities of the resins for
generals.
# On the other hand, in order to obtain a compatibilization function to uniformly disperse these antioxidants in a resin, or a lubricating function and a neutralization function towards a polymerization reaction catalyst, calcium stearate or the like are used at the same time. general. When calcium stearate is used, more care is needed than in the antioxidants in the replacement treatment. * With respect to calcium stearate and the like,
It is also considered as a selection to replace them by means of a pure organic neutralizer free of any inorganic component. However, it is desirable to maintain the point of view that no changes are made to the materials for general purposes. As described above, the additives incorporated in the starting resin can be separated from the fiber during contact with the ink jet ink and which are released to the ink in some cases. When the amount of additives released is large,
the ejection of the ink can be adversely affected by an ink jet head. In particular, when the fiber is subjected to a heat treatment in the form of heat-adhesive fiber to carry out partial bonding between the fibers, these additives are easy to
separate.
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. { V As a method of solving this problem, there is a method in which those additives difficult to be released into an ink are selected for use as additives. However, this method decreases the general-purpose property of the starting resin. Therefore, the treatment with the glycol with EO-added is carried out in the present invention, whereby the influence on the ink can be effectively suppressed even when any additive for general purposes has
The possibility that this problem described above may be caused, is of course used. When attention is focused on materials used in the production step of the fibrous material, the spinning oil for fiber functions as a lubricant and / or a
The antistatic agent is applied for the purpose of uniformly carrying out a spinning process, and the composition thereof is selected in accordance with the starting materials used. It usually contains an oily component such as higher alcohol and a surfactant such as
main components. The finishing oil also functions as a lubricant and / or an antistatic agent and is also used to impart the necessary properties to the resulting product. This oil also usually contains an oily component such as higher alcohol and
a surfactant as the main components.
When forming an ink absorbing member with a fibrous material in a state where these treatment oil components have been retained and used in an ink tank, the components of the treatment oil are released from the fibrous material forming the ink absorption. If the amount of the components released is large, it can be a cause of a failure in ejecting ink from the ink jet head, in some cases. As described above, as main factors that are contained in the fibrous material and that detrimentally affect the suitability for the ink jet, the additives contained in the starting resin and the treatment oils applied in its stage can be mentioned. of production. In the present invention, the fiber is treated with the glycol with EO-added at an appropriate stage in the production process of the fibrous material whereby the influence of these factors on the suitability for the ink jet can be eliminated. The stage where this treatment is carried out can be appropriately selected from between stages where the objects of the present invention can be achieved and the production of the desired fibrous material is not prevented. Examples of preferred steps and treatment steps include:
a) a step of applying the glycol with EO-added to a meollar by contacting the yarn with the glycol with EO-added content in a spinning oil at the time of melt spinning; 5 b) a step of contacting a non-elongated yarn treated by a spinning oil after melt spinning with a glycol-containing treatment agent with EO-added; * c) a step of contacting an elongated yarn with an EO-added glycol-containing treatment agent during an elongation step of the undrawn yarn that has been spun-melted; d) a step of contacting the elongated yarn with the glycol with EO-added content in a
finishing oil; and e) a step of contacting a yarn t obtained after elongation with a treatment agent containing the glycol with EO-added. Inherently, at least two of these steps 20 can be used in combination. In addition, the treatment with the glycol with EO-added can be combined with the supply of a lubricant for a cutting blade used to cut a fibrous material, or a lubricant for sliding part of a mold used in the hot forming 25 of a material fibrous.
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In the case of using a treatment oil added with the glycol with EO-added, the glycol with the EO-added of at least 80 weight percent of the treatment oil can be used. The change of component in the treatment oil to the glycol with EO-added as described above, allows to impart good suitability for the ink jet to the resulting yarn mainly due to the surfactant function of the glycol with EO-added while controls the reduction of the functions inherent in the oil treatment to a minimum. When the non-elongated yarn after melt spinning is treated with the glycol with EO-added, a spraying treatment or immersion treatment with an aqueous solution (eg, at a concentration of 0.1 percent to 5 percent) can be used. which contains the glycol with EO-added. The spinning oil fixed to the yarn and the additives contained in the resin forming yarn can be effectively dissolved or emulsified by this treatment, thereby removing the same from the yarn. Further, since the components derived from the treatment oil are solubilized or emulsified by treatment with the glycol with EO-added to a degree that no influence is exerted on the ink injection even when released to the ink, it does not arise. -
No problem even when they remain fixed to the thread. The glycol with EO-added has functions as an antistatic agent and a lubricant in the same degree as those of a non-ionic treatment oil. Therefore, even though most of the spinning oil is replaced here, the easy operation of the subsequent steps is not impaired because the EO-added glycol is applied to the yarn instead of the spinning oil, as long as the amount of glycol with EO-added applied is appropriate. An example where the spray treatment is carried out is shown in Figure 4. In the example shown in Figure 4, a treatment agent containing the glycol with EO-added is sprayed onto the yarns by a sprayer 180 before the yarns are passed together through the rollers, from a plurality of cans 136. The amount of glycol with EO-added applied to the yarns in this treatment amounts for example to 5 weight percent in a wet state. When a 2 percent aqueous solution is used, the treatment agent, therefore, the applied amount is responsible for 0.1 percent by weight. An anionic potassium salt was determined as a residue of the treatment oil. As a result, it was identified as 0.01 percent by weight or less (100 parts per million or less).
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# The glycol with EO-added shows a large solubilization power against all the cationic, anionic, amphoteric and nonionic treatment oils. Therefore, the influence of the treatment oil taken to the subsequent steps can be suppressed by this treatment. In addition, even if a component of the treatment oil shows either an intense hypophilic nature (hydrophobic nature) or an intense hydrophilic nature, the effect of replacing is
can be achieved by selecting the glycol class with EO-added used. The selection of the composition of the treatment solution that is used between the spinning and the stretching, the alteration of the dispositions and similar factors, are very simple in comparison with the
alteration of the arrangements in one step to apply the treatment oil so that it is applied to the surface of the fiber, and therefore, the improvement of operating efficiency in the production line of the fibrous material is realized. 20 In production facilities where a system is adopted in which the elongation is carried out in hot water or in production facilities in which a system is adopted to carry out the preheating for the elongation in hot water, this treatment
It can also be carried out by combining this elongation bath or preheating bath with an immersion bath for treatment with the treatment agent containing the glycol with EO-added in order to carry out the treatment with the treatment agent. In the 5 steps illustrated in Figure 4, the glycol with the EO-added can be added to the hot water 181 for elongation to carry out the treatment with this glycol with EO-added. The amount of glycol with EO-added that is added to the hot water can be adjusted
within a scale, for example from 2 percent to 5 percent by weight. Inherently, since the substances that have been replaced are dissolved in this hot water 181, it is desirable to check the concentration of the substances replaced together with the concentration of the
glycol with EO-added, while the specific gravity, surface tension, pH and similar hot water factors are observed. In addition, the treatment with the glycol with EO-added can be carried out allowing the glycol with
EO-added is contained in a finishing oil. The content of the glycol with EO-added in the finishing oil may amount up to 80 weight percent or higher. Replacing the components in the oil
treatment, particularly the agent components -
F surfactant by the glycol with EO-added, as described above, the substances which show good suitability for the ink jet can be applied to the yarn, without altering the production of the fibrous material. Inherently, when only the replacement treatment by changing the spinning oil to the glycol with EO-added or the application of the glycol with EO-added to the
^ _ ^ L not elongated thread is carried out, and the addition of glycol
With EO-added to the finishing oil is not carried out, it is desirable to select for use a non-ionic surfactant which is capable of imparting functions of destaticization and lubrication as the finishing oil. Specific examples thereof include esters of
polyoxyethylene sorbitan fatty acid and polyethylene glycol fatty acid carboxylates. • * R Even the yarn subjected to the treatment with the finishing oil after elongation can be treated with the glycol with EO-added at an appropriate stage. East
treatment can be carried out with an acid solution
(concentration: 0.05 percent to 2 percent by weight) of glycol with EO-added. In this treatment a spraying treatment, an immersion treatment and the like can be used in a case where the
continuous wire material or an immersion treatment - -
under optional agitation in the case where a fibrous material cut in the appropriate lengths is treated. Figure 5 illustrates an example of the treatment step 198 for spraying the tow 140 with a treatment agent containing glycol with EO-added by a sprayer 196. Inherently, the reference numerals 141 and 142 represent a cutting blade for grinding the tow 140 and the cut fiber obtained by crushing, respectively. The degree of retention of the components
The derivatives of the treatment oil in this treatment are preferably pre-graduated in such a way that the quantity of these components that are to be released towards the ink jet ink during contact with the ink, preferably at most 100 parts per million, from
higher preference when much of 20 parts per million based on the weight of the ink. • The determination of the liberated amount of the liberal components can simply and effectively be carried out by selecting the components of
Wherein the dissolved amount of the components subject to dissolution can be retained by quantitatively suppressing these components from among the components that are contained in the various additives contained in the starting resin, and the treatment oils used in a
production stage and that cause a disadvantage when - -
they are released to an ink, and determining the volume of them. For example, when a polyolefin resin is particularly used, the polypropylene is used as the starting resin in the form of a felt, a treatment oil comprising an anionic surfactant as the main component is frequently used in general to add large importance to a destaticization function during the production process. As the main component in this treatment oil is used
At least 70 percent by weight of a mixture of potassium stearate phosphate (destaticization function), an alkyl phosphate (destaticization effect), polyethylene glycol (emulsifying effect), dimethylsilicone (anti-foam function) and the like .
Therefore, the quantitative analysis is carried out by means of an ICP analysis (plasma emission spectrometer) using Si (silicon), P (phosphorus) and K (potassium) as indices, whereby the amount of the components that dissolve can be determined from the amounts of
these trace elements. Figure 6A illustrates an ink absorption member 22 and Figure 6B is an enlarged drawing of a yarn constituting the ink absorption member 22 of Figure 6A.
-
When the core fibrous material and the hull structure using a polyester (PET) fiber such as the core 191 and a thermo-adhesive component of polyethylene (PE) as a shell 192 as illustrated by the example in Figure 6B occurs Using a regular spin oil and a finishing oil and then undergoing the treatment to be replaced with the glycol with EO-added, the components of the treatment oil can be removed effectively. Also, even when some of the
components derived from the treatment oils remain in the fibrous material without removal, these components can remain and be fixed to the fiber together with the glycol with EO-added in a dissolved or emulsified state where no problem still arises
when they are released to an ink. In this case, it is only necessary to add a simple step of treatment with the
* glycol with EO-added without altering the production process of the fibrous material. Therefore, the fibrous material can be mass produced at a low cost. When a thermal treatment step at an elevated temperature, a ultraviolet light treatment step or an ozone treatment step is provided in the fibrous material production process, the replacement treatment with the glycol with added E0-25 can carried out after these treatments and in a stage in which the objects of the present invention are achieved. As described above, the method in which the replacement treatment with the glycol with E0-added is carried out as the final stage of the production process of the fibrous material is preferred since the effects of the present invention are they can achieve by making a simple alteration in the production line that the replacement treatment is added in the final stage without making major alterations in the production line. For example, in a case where the alteration of the production line is necessary for the purpose of enlarging the scale when it is transferred from a manufacturing and research research stage to a trial manufacturing stage for preparation for production in dough, as a result, the figure groups (different both in the starting resin and in the treatment oil) produced while varying the alteration arrangements and the changes in additives contained in the starting resin and the components of the treatment oil affect the suitability for the inkjet, namely, in a case where a problem arises with the print fusing according to the starting resin and the treatment oil used, the deviation in the properties due to these changes in The starting resin and the treatment oil by altering the arrangements during the continuous operation of the line, can be eliminated by adjusting the treatment with the glycol with EO-added in the final stage. 5 This problem in that a problem occurs due to the alteration of the provisions suggests that there is a need to not only specify the compositions of the starting resin and the treatment oil. related to the problem, and the process water (from
Where the reactive metal ions are desirably removed) organic substances and bacteria or fungi; specifically, water exchanged with ions or purified water is preferred, but also specifying in a specific way the substances fixed to the fiber for
Investigate your relationship with the problem. However, it is extremely difficult from the point of view of practical use to request this in the production line of various classes and mass production. Therefore, a simple alteration in the treatment line of
replacement with the glycol with EO-added is added without making major alterations in the production process itself of the fibrous material, it is an extremely practical and useful means as a fibrous material or a piece molded using the fibrous material that maintains its quality low cost and F can achieve the effects of the present invention, can be provided of course. A member such as an ink absorber member used for an inkjet ink that is used at a location where it contacts the ink, can be formed with the fibrous material obtained in this manner. The shape of the ink absorber member may vary. For example, it can be used in the form of a pack, compressed pack, continuous tape, non-woven fabric,
woven, felt or woven fabric in a varied manner. The length, diameter, the various physical properties and the density of the fiber of the fibrous material can be appropriately selected according to the desired properties of the ink absorbing member. Also, at
At least two fibrous materials can be used in combination, or a thermo-adhesive fiber can be used to partially bind the fibers to one another in order to take a structure securing the spaces 152 between the fibers 151 as illustrated in Figure 7B. The member 154 of
The ink absorption can be such that it has neither the predetermined ink absorbency nor the ink release property in a state before being filled into an ink tank package, but it has a predetermined fiber density (distance). between the fibers) in a - -
F been compressed and filled into the ink tank container to display its functions. Figure 7B is an enlarged drawing of a portion of an ink absorption member 154 in Figure 7A, and Figure 7C is an amplified cross-sectional drawing of the fiber 151 and fiber 7B. The reference numbers 155 and 156 represent a core and a hull, respectively, and the reference number 153 is an additive J in the hull 156. Examples where the fibrous members with which a liquid is contacted are form using the fibrous materials produced by the processes comprising the step of melt spinning and an elongation step regardless of the shape of the fiber,
such as a filament or fiber cut as described above. However, the same effects can be obtained by carrying out the treatment of a fibrous material with glycol with EO-added at an appropriate stage in a meltblowing process wherein a
The stream of ultrafine staple fibers created by directly blowing a melt-spun fiber is collected and the fibers are linked to each other to produce a non-woven fabric or also in a spun bonding process where a stream of filaments is collected from the yarn. way
and the fibers are linked to each other to produce a non-woven fabric, in a state of the non-woven fabric. In those methods, a resin is used as a functional material without elongation or orientation thereof. Therefore, various additives may be exposed or separated from the intermolecules on the surface of the fiber in some cases, and therefore the treatment with the glycol with EO-added according to the present invention is of course useful. F On the other hand, the treatment with glycol with
EO-added according to the present invention can also be carried out at an appropriate stage of forming the ink absorbing member until it is installed in an ink tank to actually fill the ink absorbing member with an ink. When the ink absorber member itself is treated, for example, a method can be used in which the
F ink absorbing member is immersed in a treatment agent containing the glycol with EO-added under optional stirring. In this case, the concentration of
EO-added glycol can be controlled, for example, up to about 0.5 percent to 2 percent by weight. Inherently, when an alcohol solvent is used, for example, isopropyl alcohol and the like as the treatment agent, all the oil components of
treatment do not dissolve in this example and in addition the - -
The effect of causing the oil components to remain on the surface of the fiber in a solubilized or emulsified state where no problem arises during dissolution into the ink, can not yet be achieved. To know, according to the treatment with the glycol with EO-added, the oil components are formed in a macromolecule to become a solubilizable or emulsifiable state and released to the treatment agent. Even if some of them remain fixed to the fiber
Together with the treatment agent, they can have solubility or emulsification capacity to a degree where no problem arises during dissolution in an ink. In addition, when glycol is used with EO-added, even the components and additives incorporated into a
Starting resin for a fibrous material which can be dissolved during contact with the ink, can also be solubilized or emulsified to be stirred towards the treatment agent. According to this treatment, the components
The oil and the components of the additive contained in the fibrous material are consequently replaced by the treatment agent containing the glycol with EO-added that is to be removed from the fiber, and no problem arises even when some of them remain fixed. to
the fiber.
- -
II It has been confirmed that when for example, the thermo-adhesive fibrous material illustrated in Figure 7B is used and subjected to a heat treatment, whereby the bound parts are partially formed between the fibers 151 to ensure the spaces 152 between the fibers as illustrated in the fibers 7A to 7C, thereby forming an ink absorbing member 54 or when as illustrated in Figures 8A to 8D the staple fiber 201
*. composed of polypropylene (PP) and cut fiber 203
composed of polyethylene (PE) are mixed and the thermally bonded parts are partially formed therebetween by a heat treatment thereby forming an ink absorbing member 206, the amount of the releasable components causing a
The disadvantage during the ejection of the ink by the head of the ink jet, increases of course. Agree
* With an investigation related to this by the present inventors, the following has been confirmed. Even when the additives contained in the starting resins,
In particular, anti-oxidants and neutralizers in the polyolefins for stabilizing the tertiary carbon atom in a propylene backbone or the polyethylene side chains which are always formed in view of the polymerization are essential, these additives are easy
to dissolve and separate since the fibers -
crystallized and oriented in the elongation step are softened and melted again by a thermal bonding treatment during the production of an ink absorbing member, the fibers return both to an amorphous state and some of the additives are transferred. At intersections between the fibers and when the fibers are recrystallized in cooling, the additives are forced to grain boundaries between them and in addition, the degree of
"^^ Crystallinity is not improved even after
solidify. In particular it has been found that the possibility becomes higher in additives having a low melting temperature. More specifically with regard to the materials for the ink tanks, for example, the molding materials by
injection and blow molding materials so far has been carried out to select and improve the
M materials in view of their suitability for inks. With respect to fibrous materials, however, it has been found that conventional discoveries are
insufficient and that a special problem arises when using thermo-adhesive fibrous materials. Figure 8B is an enlarged drawing of a portion of an ink absorber member 206 in Figure 8A, and Figure 8C is an enlarged drawing of a
cross section of a polypropylene fiber 201 in the - -
Figure 8B and Figure 8D is an amplified drawing of a cross section of a polyethylene fiber 203 in Figure 8B. The reference number 202 represents an additive in the polyethylene fiber 201 and the reference number 204 represents an additive in the polyester fiber 203 and the reference number 205 is an additive present in a surface of the polyethylene fiber 203. The fact that these additives become an easy state to be released into an ink is considered to depend greatly on the shape of the fiber. A ratio of the surface area of the fiber to the volume thereof is considerably high (different by approximately two or three figures) unlike the films and sheets. First, it is necessary to be careful in this respect. It has also been confirmed that its diameter is also thin (approximately 10 to 50 micrometers in diameter) and therefore, the additives are relatively easy to expose and that the additives become easy to separate due to the influence of a heat treatment , specifically the action of the heat of the same or a combined use of a heat-adhesive fiber in addition to a secondary action thereof, or the fact that in the case of a form coated with a thermo-adhesive component, some of the additives are transferred to intersections between the fibers, when the thermo resin -
The adhesive is softened and melted, and the additives are forced to grain boundaries between them when the resin is recrystallized upon cooling. When the replacement of these oil components fixed to the staple fibers (including the replacement of thermally denatured substances of the treatment oil in a case where the heat resistance of the same is insufficient) and in addition, the
F replacement of the additives that are separated during the
heat treatment and become an easy state to be released (in some cases including thermally denatured substances from the additives) are carried out with a glycol-containing treatment agent with EO-added a problem that the ejection of the ink is
carried out by releasable components derived therefrom can be prevented. In addition, when the glycol is used with EO-added, the hydrophobic additives can also be replaced because their dissolution or emulsification effect, and particularly the deposition of the
hydrophobic additives in an ink ejection opening face subjected to a water repellent treatment can be prevented. Therefore, the influence of these additives on the ejection of the ink can be eliminated. Inherently, the ink absorber member
is formed in an ink tank by housing the same in a - -
container of the ink tank and feeding ink to it. After carrying out the replacement treatment with the glycol-containing treatment agent with EO-added, it is preferred to rinse the ink absorption member with a solution similar to the treatment agent., thus leaving a slight amount of the EO-added glycol remaining fixed to the fiber that forms the ink absorbing member, since the ink can be fed more stably and uniformly. As described above, the treatment with the glycol with EO-added in the present invention is preferably carried out by the method in which the treatment step with the treatment agent containing the glycol with EO-added it is added without altering the production process that has high properties for general purposes. As reasons for this, the following three points can be mentioned. First, the changes of the treatment oils in a manufacturing device where several kinds of fibers are mass produced, provide a remarkable decrease in productivity due to the stopping of a production line at the time of the arrangements as is evident when supposes that there is an alteration of the dispositions for example of tanks 184, 187 of oil mixing, supply pipes 186, 189 - -
of liquid, the oil treatment bath 138 and the like as illustrated in Figures 3 and 4 in view of the production scale. As a result, the fibrous materials obtained become expensive. On the other hand, in devices for the replacement treatment that have been designed by a process for exclusive use in an ink jet in view of productivity for example, the devices respectively using spraying devices 180, 196 as illustrated in FIG. the
Figures 4 and 5, followed by a step. However, these devices can provide cost reduction and good quality maintenance. Second, a felting step in the case where the felting is carried out requires a treatment for
effect a destaticization in order to achieve stable passage through a carding machine or similar, since it was a bit according to your process adjustment. An auxiliary means such as a destaticizing device and humidifier are also
people for this treatment. However, the glycol with EO-added has a function of imparting also a destaticization effect. Therefore, the replacement treatment with this compound makes it possible not only to obtain good suitability for the ink jet, but also
also imparts a destaticization effect.
- -
Third, when a washing treatment with a detergent is carried out instead of a replacement treatment, the ink absorbing members and the like which are to be finally obtained may have disadvantages due to the inherent characteristics of the fiber in some cases. More specifically, when a fiber mass is used as the ink absorbing member, the ink absorbing member has the following advantages. An ink retention efficiency becomes
at high since a proportion of the actual volume of the fiber occupied in a space of the ink pack is low. In addition, the ink consumption efficiency becomes high, when the highly hydrophobic fiber material for example when using a fiber material of
polyolefin because the hydrophobic nature develops a high property of ink ejection. In an ink absorbing member that uses a fiber, the product of an ink absorbing capacity and the efficiency of using the ink increases by 20%.
percent to 40 percent compared to the conventional way that is typified by polyurethane foam. Even though the ink absorbing member using the fiber has these advantages, the hydrophobic fibrous material can cause a problem of decreasing the
ease of ink loading due to nature -
Hydrophobic inherent in the fiber when an ink is loaded. One method to solve this problem includes a method of having the interior of an ink tank vacuum or decompressed. When the treatment with glycol 5 with EO-added in the present invention is used, however, a moderate hydrophilic nature can be imparted to the fiber and therefore, good ease of loading of the ink can also be imparted to the absorption member. of ink using these fibers without using any
method for the interior of the ink tank to decompress and vacuum. The treatment with the glycol with EO-added in the present invention can be carried out in a state where the ink absorbing member has been housed in a
ink tank. In this case it is preferred that the formulation of an ink be first charged to adjust in view of the content of the water remaining in the absorption member after the treatment. Since in a general water-based ink water is responsible for the majority
of the same, namely, from 75 percent to 80 percent by weight against 2 percent to 5 percent by weight of a colorant, the water content in a state where the ink has been filled into the tank is easy to adjust the relationship with the treatment agent treatment
containing the glycol with EO-added.
- -
F The ink absorber member subjected to the treatment for the glycol with EO-added, as described above, can be housed in a predetermined position of a basket forming an ink tank 5 container thereby forming the container of ink tank. In addition, an ink jet ink can be loaded into the ink tank package to provide an ink tank. F The ink used in this is in such a way
having a composition that is selected according to the desired registration form. For example, an ink used as an inkjet ink may be employed. More specifically, those that have a composition where it can be used on the basis of
The above-described formulation ratio of the colorant (coloring material) to water, from 4 percent to 8 percent by weight of glycerol, from 4 percent to 8 percent by weight of thiodiglycol, from 4 percent to 8 percent by weight of urea as a component
humectant, from 2 percent to 4 percent by weight of isopropyl alcohol as an agent to facilitate the fixation, and in addition additionally the various optional additives such as the pH adjuster are added. The pH of the inkjet ink remains
desirably within the scale of a weak acidity a -
alkalinity, that is, from at least 6 to lower than 11, in order to also suppress the influence of the treatment oils and additives fixed to or contained in the fibrous material in addition to the solubility viewpoint of a dye and similar factors. An example of the container of the ink tank is illustrated in Figure 9. The container 1 of the ink tank comprises a basket 11 where an opening 7 (part of the rr "communication with air) communicates with a space
internally as an ink chamber with the air, and an ink supply opening 8 connected to the ink supply line 14 of an ink jet head 12, are provided of course. An ink absorption member 13 is contained within a region
which functions as the ink chamber surrounded by the basket 11 and a lid 2. Figures 10A, 10B, HA at 11C, 12 and 13 illustrate the examples of the construction of an ink jet cartridge constructed in such a way that a ink tank will
removably assembles in an ink jet head. As illustrated in Figures 10A, 10B and 13, the ink jet cartridge comprises an ink tank portion 161, a portion 163 of the ink jet head, and a portion 164 of the receptacle for securing the head 163 of the ink jet head.
ink jet in order to build an adjustment piece for - -
the ink tank 161. As illustrated in Figure HA, an ink absorbing member 165 having as a main object the storage of ink and another ink absorbing member having a function as a seal member 162, which collects and retains the ink. ink from the ink absorbing member 165 by stronger capillary force than the ink absorbing member 165, and effectively supplying the ink to the ink jet head 163, are accommodated in the tank 161
of ink. Inherently, the supply of the ink from the seal member 162 to the side of the ink jet head is carried out by producing a negative pressure (reduced pressure) on the side of the ink jet head 163, due to the ejection of the ink from a
ejection opening of the ink jet head 163. The ink tank 161 and the portion 164 of retention r ^ W are constructed such that a portion -168 of the filter bonded to the ink tank 161 and the gasket member incorporated in the ink tank 161 is
contact one another in the manner illustrated in FIGS. 11B and 11C so as to allow delivery of the ink from the ink tank 161 to the ink jet head 163. As illustrated in Figure HA, member 162
of the joint is placed and fixed by a guide inside the - -
ink tank 161 so as to contact an opening 166 as the ink feed opening of ink tank 161. With respect to the direction of contact with the filter 168, the filter 168 is pressed against the surface of the opening, of the opening 166 by the resilient force of the seal member 162. This elastic force allows the seal member 162 to be pressed stably against the filter portion 168 even in a
F was in contact with filter portion 168. Yet
When the penetration depth of the filter 168 is small, the contact of the ink supply opening 166 with the filter 168 can be carried out safely by placing the seal member 162 in contact with the ink feed opening. Inherently, the
Reference numeral 169 indicates an elastic member that is provided around an ink supply pipe 170 in order to seal around the contact portion of the seal member 162 with the filter 168. When the ink tank 161 is installed, this member 169 elastic
is placed in close contact with the lower part of the ink tank 161, thus preventing the ink from evaporating from the gasket. An ink absorbing member composed of the fibrous material described above can be used for
Preferably both for the ink absorption member 165 - -
1 * as for board member 162. However, in case only the seal member 162 is formed with the ink absorber member composed of the fibrous material, the ink absorber 165 can be formed with urethane foam (sponge material) as is usual. When the fibrous material forming the ink absorber member is composed of the same material as
F those used for the basket and the tank lid
In the case of ink, for example, a polyolefin resin, the availability in recycling can be improved. Figure 2 is a perspective view illustrating an example of the seal member 162 in Figures HA at 11C. The reference to the symbols h, t and w
represents height, thickness and width of the joint member, respectively. Figures 14A to 14C are developments of the assembly of an ink jet cartridge. In this example, an ink cartridge capable of carrying out the
The register of 4 colors is illustrated, wherein the ink tank 20 with the 3-color ink chambers integrally formed in an ink tank for 1 color, are detachably fitted in a receptacle 41. Figure 14A is a view detailed in
perspective of a tank 20 of colored ink composed of - -
three cameras. Figure 14B is a detailed perspective view of a black ink tank 30 having a camera. Figure 14C is a detailed perspective view of an ink jet recording head 40 in which the respective replaceable ink tanks illustrated in Figures 14A and 14B can be installed. The colored ink tank 20 is constructed more or less by a tank body 21, the ink absorbing members 22Y, 22C, 22M containing a mass of
felt fiber perforated with needle, detachably housed in 3 chambers in the tank body 21, a lid 23 for closing an opening of the tank body 21, and a holding plate 24 fixed on a surface of the lid 23 for holding the 21 body of the tank. The members
15Y, 22C, 22M ink absorption are formed according to the respective chamber configurations and are used for yellow, cyan and magenta inks, respectively. The reference number 26 indicates a label to indicate the content of the information of the
ink tank. In Figure 14B the black ink tank 30 is constructed more or less by the body 31 of the tank, an ink absorbing member 32Bk containing the fiber mass housed in a chamber in the tank body 31, a
cover 33 for closing an opening of the tank body 31, - -
F and a holding plate 34 fixed on the surface of the lid 33 for holding the body 31 of the tank. The reference number 36 indicates a label to indicate the content of the information in the ink tank. In Figure 14C, the ink jet recording head 40 is more or less constructed by the ink ink holder 41 where the respective ink tanks described above are installed, and a
F portion 42 of the registration head installed in this
. Port holder 41. Port holder 41 includes filters 43 fitted on the tips of the ink supply lines (not shown) inserted in the ink supply openings (not shown) of the respective ink tanks to remove impurities in the inks
, the elastic members 44 as sealing members having as their main objects to prevent the evaporation of the inks after the tanks are installed, and a locking member 45 for fixing the tanks in the tank holder 41. The head portion 42 registration includes
a base plate 46, a printed board 47, a heater board 48, a slotted upper plate 49, a press bar spring 50, a chip tank 51 and the flow path members 52. Figure 15 is a cross-sectional view
illustrating another example of an ink tank used in - -
F this inkjet cartridge. As illustrated in Figure 15, the ink tank 60 has an internal structure composed of two ink chambers communicating with each other by means of a communication piece 5 of a rib 54. A member 4 for absorbing fibrous ink as a negative pressure generating member is housed within a portion 53 of the container for the negative pressure generating member as a first chamber of
F ink. In a part of the wall of the portion 53 of
The container for the negative pressure generating member is provided with an ink supply opening 8 connected with an ink supply line of an ink jet recording head (not shown), and a communication aperture 7 for communicating the interior. of the
portion 53 of the container for the negative pressure generating member with the air. F On the other hand, an opening 55 is formed in the lower portion of the portion 56 of the ink container to fill the interior of the ink tank 60 with an ink. HE
fits in the opening 55, a sealing member 58. The reference number 59 is a reinforcement rib for the basket of the portion 56 of the ink container. In the rib 54 within the ink tank 60 of this construction, the communication part 57
described above is formed in the vicinity of the -
lower part of the ink tank 60. A slot 54A extending from the vicinity of the communication portion 57 through which the gas-liquid exchange is carried out with the air introduced in the portion 53 the container for the negative pressure generating member through the communication opening 7, is formed in the wall of the rib 54 on the side of the portion 53 of the container for the negative pressure generating member. By this construction, an ink is first consumed in the portion 53 of the ink container and, when the level of the ink within the portion 53 of the container for the negative pressure generating member almost reaches the slot 54A, the ink in the portion 56 of the ink container is fed to the portion 53 of the container for the negative pressure generating member through the communication piece 57, by the gas-liquid exchange action and the ink in the ink tank 60 begins to consumed through the ink feed opening 8. Another form of an inkjet cartridge is illustrated in Figure 16. Similar to Figure 9, this cartridge comprises a basket 11 closed by a cover 2, wherein an opening 7 (air communication portion) is provided for communicating an internal space such as an ink chamber with the air, and an absorption member 13 -
F of ink contained in an ink tank connected with an ink jet head 12. Figure 20 is a perspective view illustrating an ink jet recording apparatus to which the above-described ink tank or the ink jet cartridge can be applied. In Figure 20, the reference number 101 indicates a recording device (printer), the number 102 is an operation panel that is provided on an upper front surface of the
housing of the printer 101, the 103 is a paper cassette fitted through an opening provided in the front of the housing, the number 104 is paper
(recording medium) that is fed from the cassette 103 of paper, and the number 105 is a download tray for
retaining the unloaded paper through a paper transport path within the printer 101. The reference number 106 indicates a body cover of the "L" shaped cross section. This cover 106 of the body covers a part 107 of the opening defined in
the right front part of the housing and pivots at the inner ends within the part 107 of the opening by means of hinge 108. A carriage 110 supported by a guide (not shown) and the like is placed inside the housing . The car 110
provides movably along the direction of - -
width of the paper passing through the paper transport path, that is, the longitudinal direction of the guide. The carriage 110 is constructed more or less by a step 110a maintained horizontally by the guide and the like, a portion of the opening (not shown) formed in the vicinity of the guide in step 110a and adapted to fit a head therein. of ink jet, a cartridge garage 110b to accommodate the cartridges of
ink (ink tanks) 1Y, 1M, 1C, lBk and ÍS mounted in the stage 110a in the front part of the opening part, and a cartridge holder cartridge 110c to prevent the cartridges that are accommodated in the garage 110b separate. The step 110a is slidably supported on its rear part by a guide and mounted on a guide plate (not shown) on a lower side of its front part. Inherently, the guide plate can have a function that rises like a cantilever against a guide
to prevent lifting of the paper transported through the paper transport path. The part of the opening of the stage 110a is constructed in such a way that the ink jet head (not shown) is installed with its ejection opening towards
below. In garage 110b of the cartridge, a - -
through opening in the longitudinal direction thereof to accommodate the 5 ink cartridges 1Y, 1M, 1C, lBk and ÍS, at the same time. The recess HOd of interlacing with which the interlocking barbs 11Oe of the cartridges carrier 110c are intertwined, are formed in the outer side portions of the garage 110b. The reference number 111 is a cover for the ink jet head. On the other hand, the cartridge holder 110c adjusts
to pivot at the front end of the stage 110a by means of the hinges 116. A dimension from the front end of the garage 110b to the hinge 116 is determined in view in one dimension whereby the ink cartridges 1Y, 1M, 1C , IB and ÍS are projected from the front end of the
garage 110b when they are accommodated in garage 110b. The cartridge holder 110c is more or less in the form of a rectangular plate. In the cartridge carrier 110c, there is provided a pair of intertwining tines 11Oe projecting in a direction perpendicular to the plane of the
plate at both ends of the upper part distant from the lower part fixed by the hinges 116 and intertwined with the interlocking recesses HOd of the garage 110b when the cartridge holder 110c is closed. In the part of the plate of the cartridge holder 110c, they are formed
also adjustment holes 120 to adjust respectively - -
^^ the handles of the ink cartridges 1Y, 1M, 1C, lBk and ÍS in them. The adjustment holes 120 are formed respectively according to the positions, configurations and sizes of the handles. As an application form of the ink jet recording apparatus in the present invention, it is used integrally or separately, as an image output terminal for an information processing equipment such as a room or computer processor.
In addition, it may be in the form of a copying machine combined with a reading apparatus or a facsimile terminal equipment having a transmitting and receiving function. In addition, it can also be applied to a printing machine that makes a record in cloth and thread. The present invention will now be described more specifically by the following examples. However, the present invention is not limited to these examples.
Example 1:
A polypropylene fiber was produced under the following conditions according to the steps illustrated in Figures 3 and 4. Inherently, a treatment of
replenishment by sprayer 180 before elongation - 1 -
F is a treatment for replacing a treatment oil fixed to a non-elongated yarn by a treatment agent by spraying the non-elongated yarn with the treatment agent. Process conditions other than the following 5 conditions followed those used in the conventional method. Composition of resin material: homopolypropylene; Thickness of the meollar: 18 deniers; # Spinning oil: 10 Anionic and nonionic mixed treatment oil, (mineral oil: 65 percent by weight, anionic surfactant: 15 percent by weight, nonionic surfactant: 20 percent by weight) which is the oil of main treatment 15 for the regular production line; Treatment agent used in the spraying apparatus: F 2 weight percent of an aqueous solution of the polyoxyethylene sorbitan fatty acid ester (Treatment Agent A) or a 5 weight percent aqueous solution of polyoxyethylene acetylene glycol (number of moles of EO added: 30) (Treatment Agent B); Quantity of the treatment agent used in the replacement treatment by the spraying apparatus: 25 30 liters per minute at a process speed -
200 millimeters per second and 200 grams per second; Elongation temperature and degree of elongation: 80 ° C to 90 ° C, 400 percent; 5 Finishing Oil: Non-ionic treatment oil [containing 70 percent by weight of polyoxyethylene acetyleglycol (number of moles of EO added: 10)], coverage: 0.1 percent by weight based on fiber. The cut fiber obtained in this way was subjected to a fiber opening treatment by means of a bale opener and then subjected to a fiber opening treatment by means of a carding machine of
two stages. A continuous belt unloaded from an outlet of the carding machine was crushed to predetermined lengths, folded and accommodated in an ink tank package made of high impact polystyrene. Then, a lid was fixed on the
container by ultrasonic welding. The ink absorbing member thus obtained composed of the continuous polyethylene tape accommodated in the package in the folded state was then filled in an ink having the following composition. The ink absorber member is
used in an ink jet recording apparatus to evaluate the same. The results shown in the Table
1. The ink composition was used in the case where the ink was subjected to the replacement treatment with Agent A of
Spraying treatment: Dye 4.0 percent by weight Diethylene glycol 7.5 percent by weight Glycerol 7.5 percent by weight Urea 7.5 percent by weight 10 Surfactant 1.0 percent by weight Isopropyl Alcohol 2.5 percent by weight Water Rest. pH: 8.2. ? = 32 dynes per centimeter. The ink composition was used in the case where the fiber was subjected to the replacement treatment with Spraying Agent B: Dye 2.5 weight percent Diethylene glycol 5.0 weight percent 20 Glycerol 5.0 weight percent Urea 5.0 percent by weight Water Water pH: 9.0. ? = 47 dynes per centimeter. 25 Example 1 of Comparison:
The fiber and an ink absorbing member were produced in the same manner as in Example 1 with the exception that the same anionic and nonionic mixed treatment oil of that used in Example 1 was used as the spinning oil and the finishing oil, and the non-elongated yarn was not subjected to the treatment of
# replenishment by spraying. The absorption member of
Ink obtained in this manner was used in an ink jet recording apparatus to evaluate it. The results are shown in Table 1. Ink composition: Dye 2.5 percent by weight 15 Diethylene glycol 5.0 percent by weight Glycerol 5.0 percent by weight Urea 5.0 percent by weight Water Other pH: 9.0. twenty ? = 47 dynes per centimeter.
Example 2:
The fiber and the ink absorber member 25 were produced in the same manner as in Example 1 of -
Comparison with the exception that the finishing oil was changed to the same nonionic treatment oil that was used in Example 1. The ink absorbing member obtained in this manner was used in an ink jet recording apparatus 5. evaluate the same. The results are shown in Table 1. Ink composition Dye 4.0 percent by weight F Diethylene glycol 7.5 percent by weight 10 Glycerol 7.5 percent by weight Urea 7.5 percent by weight Agent Surfactant 1.0 percent by weight Isopropyl alcohol 2.5 percent Water Rest 15 pH: 8.2. ? = 32 dynes per centimeter. F
twenty
- -
Table 1
Oil Treatment Oil Spinning Spinning Reposi- tion during the me- ming- Finishing printing afterwards on leaving the ciadura to rest at low humidity
Mixing Agent Were Not ionic
For example, no problem to A and non-ionic
Idem agent It was taken to Not ionic It was not raised Treating any problem to B
The deposit occurred inside a mouthpiece although no disorder was not carried occurred in the face
Example 2 idem out Not ionic of the opening; a small slippage occurred but still able to be carried out without problems
Hydrophilic zones - Example 1 idem Not carried away Cased mixtures of anionic out close to the aber¬
Comparison and non-ionic ejection of the face of the opening; slippage occurred
As shown in Table 1, slippage during printing was able to be prevented by using, like the finishing oil, the treatment oil containing the polyoxyethylene acetylene glycol (number of moles of EO - -
additives: 10) having a non-ionic surfactant effect. In addition, an effective treatment was feasible by adding the replacement treatment by spraying between the spinning step and the elongation step. Inherently, when the glycol with EO added to the finishing oil was added, the detrimental influence on the ink jet suitability by the residual spinning oil was able to be removed even when the polyoxyethylene sorbitan fatty acid ester is used in the spraying replacement treatment, since this compound has a strong solubilization capacity to the anionic and nonionic mixed treatment oil to effectively limit the carrying of the components of the treatment oil in steps subsequent to the spraying treatment. When the deleterious influence due to hydrolysis of an ester or due to another reason is considered to be exercised in the inkjet inks designed to maintain the pH from 6 to 11, it is especially preferred to use the glycol with EO added as a surfactant. nor ionic. This spraying replacement treatment is very simple even in the selection of the treatment agent and the alteration of the dispositions in comparison with the selection of the treatment agent and the alteration of dispositions in a step of applying the oil - -
of treatment on the fact that it is applied to the surface of the fiber, and so that an improvement of the efficiency of operation in the line is realized. In Comparative Example 1, the finishing oil is predominantly fixed to the finally obtained fiber. However, it was found that spinning oil remains remarkably in the fiber produced in the last half of the production batch, and this fiber is involved in the conventional quality program.
Example 3:
A core fiber and hull structure was produced according to the steps illustrated in Figures 3 to 5, using an apparatus for forming the core fiber and the hull structure as a melt spinning machine. In this example, a replacement treatment was not carried out by a spraying apparatus 180 before elongation. Process conditions other than the following conditions followed those used in the conventional method. Meollar: Core: polyester, diameter, 15 micrometers Hull: Polyethylene, thickness: 3 micrometers (total internal diameter: 21 micrometers) - - ^ Spinning oil: 60 percent mineral oil, 25 percent anionic surfactant and 15 percent percent nonionic surfactant; 5 Treatment agent used in the spraying apparatus: 65 weight percent potassium alkyl phosphate, 10 weight percent fatty acid ester, 25 weight percent silicone type smoothing agent; coverage: 10 0.5 percent by weight based on fiber; Spraying after spraying treatment (treatment illustrated in Figure 5): Replenishment treatment agent: Acetylenol EH (factory name, product of Kawaken Fine 15 Chemicals Co., Ltd.) Spraying conditions: percent fixation of the fixed substance: 0.5 weight percent based on fiber (amount of residual finishing oil: 0.02 20 weight percent based on fiber). The fibrous material obtained in this manner was processed into staple fiber having a length of 64 millimeters. This cut fiber was used as a starting material to obtain the felt (fiber density: 0.35
grams per cubic centimeter) by a method using thermal adhesion and needle drilling in combination. The felt obtained in this manner was used in a gasket member illustrated in Figure 11B and incorporated into an ink tank. This ink tank was filled with an ink having the following composition and installed in an ink jet apparatus to carry out a printing test: Ink composition: Dye 3.0 weight percent 10 Diethylene glycol 5.0 percent weight Glycerol 5.0 percent by weight Urea 5.0 percent by weight Isopropyl alcohol 4.0 percent by weight Water Other 15 pH: 8.7. ? = 44 dynes per centimeter. F The printing test was carried out using an ink tank stored for 2 months in a dry environment at 60 ° C. The results are shown in Table 2.
Example 4:
The production of a joint member and the evaluation thereof was carried out in the same manner as in Example 3, with the exception that the spraying after spraying treatment was not carried out, and Acetylenol EH was used as a finished oil. The results are shown in Table 2.
Comparison Example 2:
The production of a board member and the evaluation thereof were carried out in the same way
as in Example 3 with the exception that the anionic treatment oil containing 65 weight percent potassium alkyl phosphate was used as the finishing oil agent. The results are shown in Table 2. 15 Table 2
Ink Ejection Treatment Oil after Finishing replenishment is allowed to stand for two years at room temperature and humidity
lasts after regular beading of the beading
Ex. 3 Anionic Carried out No problem arose
Ex .4 Non-ionic Not carried out No problem was caused out 30 Ex .2 of Anionic Not carried to The deposit occurred in the Comparison side of upstream; occurred frequently ejection failure 35 -
^^ As shown in Table 2, compared to the case (Comparison Example 2) where the finishing oil which detrimentally affects the ejection property if it remains fixed in a fibrous material, was used, no problem in the ejection of the ink in the case where the replacement treatment with Acetylenol EH by spraying was carried out (Example 3) and where the finishing oil was changed to Acetylenol EH (Example 4). Inherently, the process of Example 3
can be used as a finishing oil, a finishing oil for general purposes for the production of fiber, which is used in fields of application other than inkjet. Therefore, the simple alteration of the process, where the replacement treatment is added, allows the provision of
a fibrous material through which the conventional problem is solved even when it is inexpensive. Inherently, a felting step requires a treatment to provide a destaticization effect in order to achieve stable passage capacity through
of a carding machine or the like even when it varies a little according to its process setting. An auxiliary means such as a highlighter and humidifier are also effective for this treatment. However, from the point of view of avoiding the cost increase,
prefers to use a treatment of applying a destaticization agent to the fiber by spraying or a similar operation. When a treatment agent is used as a diluted solution, however, for example, water is necessarily applied to the fiber. From this point of view, Acetylenol E-H free of any component of the solvent, it is particularly preferred as a destaticizing agent and a replacement treatment agent.
Example 5:
An ink absorbing member is obtained in accordance with a production process of a hot molded material as illustrated in Figures 17 to
. The procedure of the same will be described below. First, an aggregate of continuous elastic fiber in the shape of a rod or plate was molded (first forming step). In this example, a cut fiber 142
Mixed material containing a polypropylene fiber and a polyethylene fiber at a weight ratio of 7 to 3 was passed through a carding machine 143 illustrated in Figure 17 to open the intricate interlacing fibers in a ribbon continuous 144
similar to a stable sheet in density (mass / unit area), where the fibers are placed in parallel directions to each other. This continuous web 144 was then packaged and passed through the heating rolls 145 to thermally bond the fibers in the surface layer of the package one in the other thereby forming a continuous fiber mass. The continuous fiber mass in this temple is an aggregate of staple fibers due to the use of the carding machine. The temperature of the heating rollers 145 may be optional, as long as it is higher than the melting temperature of the polyethylene fiber, but less than the melting temperature of the polypropylene fiber. However, it is preferred that the temperature be pre-graduated at a lower temperature as the contact time of the fibers with the heating rollers becomes longer at a higher temperature as the contact time becomes longer. It becomes shorter. For example in the case of the polyethylene fiber having a melting temperature of 133 ° C, the temperature of the heated rollers is desirably pre-graduated from 135 ° C to 155 ° C. As a heating medium, any medium can be used as long as only the fibers in the surface layer can be thermally bonded. For example, heated air may be blown against the fibers. In the case where the heated air is used, it is preferred that the temperature be pre-set at a higher temperature than in the case where the heating rolls are used. In the case where a carding machine is used, a fiber mass cut as a raw material is used, and the starting material is usually fed to the carding machine through a fiber opening step. However, the use of a tow as a raw material is more desirable because the fibers can be opened by cutting the tow and then carrying out the explosion and in this way the step to open the fiber can be omitted. The continuous fiber mass, then cut by a cutter 146 into normal units to form the fiber masses 147 (second forming step). The cut length preferably is about the same or somewhat longer than either side of a mold for an ink absorbing member. This becomes almost the same length as its corresponding side of the resulting ink absorber member. Since during the compression of the fiber mass containing more easily in a direction almost perpendicular to a fiber direction as compared to the direction of the fiber, the fiber mass can be better compressed by controlling the length of the fiber mass as it is described in the foregoing even when compressing into a complicated configuration.
- -
The fiber mass 147 with only the fibers in the surface layer thereof thermally bonded together which is in such a state that the fibers placed essentially in the same direction are wrapped with the nonwoven fabric. Since the surface layer has resistance of such degree that handling in an automatic process, such as transport is easy, a production process of an ink absorber member, which is
* will describe subsequently, it becomes easy. A
The ink absorbing member is then molded with the above-described fiber mass. First, as illustrated in Figure 18, a mold 148a formed almost the same size or a size somewhat larger than a chamber of the container for the ink absorber member in an ink tank
is loaded with the mass 147 of fiber having a length almost equal to one side of the mold 148a. The number of the mass
^^ "147 of fibers used may be one or more according to the volume of the ink tank As described above, the mass 147
The fiber is in a state such that a fiber aggregate placed essentially in the same direction is wrapped with a non-woven fabric and can then be easily adjusted to the shape of the mold. After loading the fiber mass 147 with the mold 148a, a lid 148b is adjusted
as illustrated in Figure 18. The mass 147 of fiber is - -
^ f. Compresses in a fixed state by adjusting lid 148b. The mold 148a is then heated in a heating oven whereby the fiber mass 147 is hot molded in a mold configuration to provide an ink absorption mold 149 as shown in Figure 19. The temperature of the oven heating may be optional since it is higher than the melting temperature of the polyethylene fiber, but lower than the melting temperature of the fiber of
polypropylene. For example, in the case where the melting temperature of the polyethylene fiber was 133 ° C, the temperature of the heating furnace was better than 135 ° C to 155 ° C. The heating can be controlled according to the necessary resistance. The polyethylene fiber is melted by heating to serve as an adhesive, so that the intersections of three-dimensional interlacing of the polypropylene fibers are fixed, thereby developing their strength. Therefore, when required
With a high strength, it is better to heat the mold for a relatively long period of time until the heat is completely transmitted to the interior of the fiber mass even when it varies according to the configuration of the ink absorber member. When it is required
softness it is only necessary to heat the mold during a - -
relatively short period of time in order not to transmit the heat completely into the fiber mass. In this example, in order to fix the intersections of the fibers to the interior of the ink absorber member in the form of a rectangular parallelepiped of 40 millimeters by 60 millimeters by 50 millimeters in size, and the heating was carried out at temperature of 140 ° C for 40 minutes. In the case where there is no need to fix the intersections inwards, the piece
Hot molded can be completed in a relatively short period of time by loading the mold with the fiber mass and then blowing heated air against the mold. In this case, it is preferred that the holes are provided in the mold 148a and the lid 148b in order to facilitate the action
of the heated air. In the case where it is intended to fix the intersections inwards, the molding time can be cut by first heating the fiber mass without loading it into the mold and then loading it into the mold before it is completely cooled to mold it by
compression. The strength of the ink absorber member can be controlled by changing the mixing ratio of the polyethylene fiber to the polypropylene fiber. When high strength is required, it is only necessary to increase the amount of polyethylene in the fiber mass.
When softness is required on the other hand, it is only - -
It is necessary to reduce the amount of polyethylene in the fiber mass. The ink absorbing member 149 molded in this manner is then removed from the mold as illustrated in Figure 19. The ink absorbing member produced in this way is loaded into an ink tank body where it has been provided with the ink supply opening through an opening, and the opening is closed by a stage member (not shown) having a part of communication with the air,
thus providing an ink tank. As described above, the production process of the ink tank is divided into the step of forming the fiber mass and the step of loading the mass of fibers into the mold to carry out the molding in
hot. Therefore, this production process can be easily applied to the ink absorbing means of various configurations by changing the mold. The ink absorbing member obtained in this way was immersed for 10 minutes in a bath that
contains 2 weight percent of an aqueous solution of polyoxyethylene acetylene glycol (number of moles of EO added: 3) heated at 45 ° C to carry out a replacement treatment. Then, the treatment solution within the ink absorber member is
completely removed and the ink absorber member -
then it was installed in an ink tank container and loaded into it in ink. In this example, an investigation was done on the inkjet cartridges that can be selected according to the need
optimum during printing by exchanging a black ink cartridge capable of performing monochromatic printing at high speed, generally using a cartridge and a four-color photo ink cartridge capable of obtaining a photographic image for one and
* 10 other. Therefore, the optional cartridges were subjected to a shelf test in storage boxes
(15 ° C, Relative Humidity of 10 percent for one month). The results are shown in Table 3.
Example 6:
The production of an ink absorber member and the evaluation thereof were carried out in the same manner as in Example 5 with the exception that the thermal treatment of the fiber molded material was carried out at 155 °. C for 409 minutes, and the replacement treatment was carried out with a 2 weight percent solution of polyoxyethylene acetyleglycol (number of moles of EO-added: 3) dissolved in an aqueous solution of -
^ K NaOH 0.1N concentration. The results are shown in Table 3.
Reference Example 1: The production of an ink absorber member and the evaluation thereof was carried out in the same manner as in Example 5 with the exception that the ink absorber member was changed so that in the
shape of a rectangular parallelepiped of 20 millimeters by 30 millimeters by 50 millimeters in size, the heat treatment of molded fiber material was carried out at 140 ° C for 20 minutes, and the replacement treatment was not carried out. The results are shown in the
Table 3.
Comparison Example 3:
The production of an ink absorber member
and the evaluation thereof were carried out in the same manner as in Example 5 with the exception that the replacement treatment was not carried out. The results are shown in Table 3.
-
^ BF ^ Table 3
Conditions of Treatment of Heat Recovery Treatment Test Result
Ex .5 140 ° C, 40 min. It was carried out * No problem was raised
2 Ex .6 155 ° C, 40 min. It was carried out * No problem was raised
E j. 1 of Ref. 140 ° C, 20 min. It was not carried out No problem arose
Ex. 3 Light sliding during the 140 ° C, 40 min. Printing was not carried out; The self-recovery-Computing was feasible by the cleaning mechanism in the printer.
* 1: Aqueous solution at 2 percent by weight of polyoxyethylene acetylene glycol (number of moles of EO added: 3); 25 * 2: 2 weight percent solution of polyoxyethylene acetylene glycol (number of moles of EO-added: 3) dissolved in an aqueous NaOH solution of 0.1N concentration.
As is evident from the comparison, Reference Example 1 with Comparison Example 3 in the Table - -
3, it will be understood that the ink absorbing members subjected to the thermal bonding step, a slight slip was observed during printing when the heat treatment was carried out under more serious conditions. This sliding during printing can be solved by operating the cleaning mechanism (sliding cleaning and pumping) of a booster and therefore, does not become a problem in practical use when using a printer having this cleaning mechanism . However, it is clear that in order to solve this problem without operating the cleaning mechanism, it contributes to an efficient printing operation and simplification of the printing mechanism. Therefore, it was possible to solve this problem by carrying out the replacement treatment with a 2 weight percent aqueous solution of polyoxyethylene acetylene glycol (number of moles of EO-added: 3), as shown in Example 5 in Table 3. In addition, even when the heating was carried out under more serious conditions, the use of an alkali treatment solution made it possible to treat this problem more satisfactorily. Since sliding during printing does not occur in Reference Example 1, the main cause of this problem is considered to be attributable to the -
* additives contained in the starting resin itself, not the treatment oil adhered to the fibers.
Example 7: 5 A polypropylene fiber and a polyethylene fiber were produced under the following conditions according to the steps illustrated in Figures 3 and 4. Inherently, no treatment was carried out.
replacement by a spraying apparatus 180 before elongation. Instead of this, glycol with EO-added was added to the hot water in a hot water bath for elongation in order to replace the additives and the like contained in the filaments and possibly dissolved
by the glycol with EO-added, thus avoiding the mixing of these additives in a finishing oil while retaining the packaging properties of the yarns in the subsequent steps. Even when a detailed description of
In the process conditions, the good ink absorbing members were able to be obtained without being affected by the additive classes in the starting resins, using the replacement treatment with the added EO glycol. In this example, a step of
crushing before a bonding treatment was effective -
* to directly use the glycol with EO-added as the lubricant with a cutting blade in addition to the lubricating effect of the glycol with added EO applied to the fibers in the cutting blade. 5 By the way, in some cases, the treatment state in a central region of the ink absorber member may become more deficient or more unstable as it undergoes the replacement treatment before the contact in the ink becomes
become greater. Of course, when the replacement treatment with glycol with EO-addition was not carried out in the stages before the production of a fibrous material and the production of the ink absorber member, but was carried out only in a state as a member of
After absorption of the ink, the absorption member was cut into small pieces after treatment to subject the pieces of the limb obtained in this way to an organic analysis by infrared spectroscopic spectrum analysis or the like. As a result it was found that the
The treatment in the central region of the ink absorber member may be insufficient in some cases, even when it does not raise any practical problems. On the other hand, when the replacement treatment with the glycol with EO-added is also added in
the production process, and this treatment is carried to -
In the ink absorber member, the effect of the treatment can be more uniformly achieved and an ink absorbing member having good properties can also be provided. The reason for this is considered to be due to the fact that not only the penetration capacity in the ink absorbing member and the ability to dissolve (or emulsify) the dissolution components of the fiber of the treatment agent itself are obtained during the treatment of the ink absorbing member, but also, the high penetration capacity and susceptibility to treatment are obtained during the treatment of the ink absorbing member from the treatment agent, ie the glycol with EO-added, which is applies previously in the stage of fibrous material production. The alteration of the similar line in this example, where the replacement treatment with the glycol with EO-added is added without changing the treatment oils, hardly increases the complication in the handling of the process and also hardly affects the scale of production, the kinds of mixed treatment oils, the cleaning after the alteration of the provisions and similar factors.
Example 8: - -
After the 3 denier polypropylene staple fibers and the 3 denier staple fiber having a polypropylene-polyethylene core and a hull composite structure were mixed at a weight ratio of 5 65:35, the fiber blended It was formed into a continuous belt by a carding machine and then rolled into a transverse layer. The laminate obtained in this way was hot pressed (at 160 ° C) in order to obtain a molded part having a thickness of 8 millimeters. He
rectangular parallelepiped (t: 8 millimeters, w: 8.2 millimeters H. 13.8 millimeters, density 2.28 grams per cubic centimeter) with its beveled corners in the perpendicular direction, as illustrated in Figure 12, was drilled with this molded part by a matrix in
form of biku to obtain a replaceable gasket member similar to a felt for an ink tank. In this process of producing felt, there are many steps that do not agree with static electricity from the point of view of stabilization steps, such as
the step of continuously producing a continuous tape. Therefore, it is commonly carried out to impart a function-of machine destaticization and the fiber itself. In order to obtain the function of destaticization typically, anionic surfactants are frequently used. In
the felt-like gasket member obtained in -
In this example also, an anionic surfactant was applied to a finishing oil to the cut fiber of polypropylene and the cut fiber composed of polypropylene-polyethylene in the respective production steps. The joint member was immersed in a 2 weight percent aqueous solution of Acetylenol E-H using purified water to treat it under agitation. Then, the ink absorber member, i.e. the member of
The gasket was removed from the treatment solution, rinsed with purified water and then dehydrated by centrifugal treatment. In order to confirm the effect of the treatment, an aqueous solution of Acetylenol E-H at 2 percent by weight
(using purified water) was infiltrated through the ink absorption member after the dehydration treatment and then the infiltrated solution was subjected to quantitative analysis in Si (silicon), P (phosphorus) and K (potassium), which were the characteristic elements
contents in the typical anionic surfactants such as phosphates and potassium salts, by means of ICP analysis (plasma emission spectrometer). The results are shown in Table 4. With respect to an ink absorber member
untreated, a solution was infiltrated through it - -
2 weight percent aqueous Acetylenol E-H (using purified water) in the same manner as described above, and then the analysis was carried out as to the infiltrated solution. In addition, the effects of the treatment were evaluated as to the cases where agitation was not carried out where the agitation conditions were varied in the same manner as described above. The results are shown in Table 4.
Table 4
Conditions of Number of Si P K treatment samples (ppm) (ppm) (ppm)
Not treated 1 0.731 15.818 22.668 2 0.798 17.441 25.027 (average) 0.765 16.630 23.848
Agitated for 1 0.114 0.247 0 6 minutes 2 0.088 0.651 0 (average) 0.101 0.449 0.000
Agitated for 1 0.083 0.297 0 12 minutes 2 0.095 0.369 0.143 (average) 0.089 0.333 0.072
Agitated for 1 0.064 0.641 0.137
24 minutes 2 0.074 0.274 0.002 (average) 0.069 0.458 0.070 - -
# Submerged during 1 0.077 0.383 0 24 hours, 2 0.066 0.402 0 unstirred 3 0.109 0.786 0.251 5 4 0.133 0.841 0.083 (average) 0.096 0.603 0.084
As is evident from the result shown in the
Table 4, it will be understood that silicon, phosphorus, potassium are almost removed by the replacement treatment in the Acetylenol solution under all conditions. With respect to the components of treatment oils other than these elements, it is considered that they are removed
of the joint members as the elements detected since the components of the treatment oils do not separate from one another, but form complexes. The ink cartridges separately using the joint members treated under these conditions were used to carry
out actually a test print. As a result it was confirmed that the number of predetermined sheets printed up to their duration is maintained in any cartridge. Inherently, Acetylenol is appropriate for a component of inks. Therefore, even when the
Acetylenol in the treatment agent and a slight amount of the treatment oils remain in the member of - -
# 1 ink absorption, no disadvantage is raised since these treatment oils are solubilized or emulsified. In this example, the effect of replacing the 5 components that dissolve is evaluated using metal ions as indices. In a case where the dissolving component is for example a non-ionic treatment oil, however the effect can also be evaluated
using, as an index, an analysis of a group of
carbonyl, an ethylene chain, an imino group and / or the like by means of an infrared spectroscopic spectrum. To control metal ions up to one part per million or less by determination, it is considered as that required to replace the
components that dissolve up to 20 to 100 parts per million or less. The treatment in this example is not limited to the treatment of freshly produced fibers and ink absorbing members, but can be applied as a treatment method to replace an ink
Residual in, for example, the spent ink absorbing members, as shown in Example 9, which will be described subsequently. Example 9: The ink absorption members 32 (using the
hot-molded material, described in Example 5) in * the ink cartridges (having the construction illustrated in Figure 14B) collected from the users were treated. It is general that at least about 10 percent of an ink contained before use remains in the ink absorber member as a residual ink after use, and that the evaporation of the ink is allowed to advance and the residue at the same time. both also decreases depending on the shelving environments after
of that, picking up the environments and similar. The
ink absorbing members (including a case where the water and a similar medium are evaporated to increase in viscosity with this residual ink retained therein) were treated with an EO-added glycol. coat
of an ink tank container and immersed in a 2 weight percent aqueous solution of Acetylenol E-H using purified water, thereby treating the same. The treatment conditions were pre-graduated at 40 ° C and 1 hour, and the dehydration was carried out repeatedly
five times. Finally, the absorption member was rinsed in a 0.1 percent by weight aqueous solution of this same t, dehydrated and then dried at 60 ° C for two hours, thereby obtaining a regenerated ink absorbing member.
- -
* The residual ink was replaced by this treatment. The amount thereof was less than 10 parts per million, which was confirmed by a quantitative analysis using S in a dye as an index. Then, the ink absorber member was accommodated in a new ink tank container and an ink of the same kind was loaded therein, whereby the ink absorbing member was able to be reused. Inherently, this regeneration treatment
of the ink absorbing member can be carried out in a state where the ink absorber member has been adjusted in the ink tank container, as long as no abnormality occurs in the positioning part and the like of an ink absorber. inkjet cartridge, so that
can be reused. As a replacement treatment method in this case, a method can be selected in which to load the treatment solution from the ink supply opening and the removal of a seal opening towards a portion of the head of the
record, are repeated intermittently or continuously. When the ink absorbing members of the same form for yellow, mta and cyano inks, as illustrated in Figure 14A were collected, any ink was able to be charged after the replacement treatment,
regardless of the color of the ink that was filled * initially. In this case, a color difference is within tolerance limits. Incidentally, in the absorption members composed of urethane foam hitherto in common use, there is no effective means to treat them in view of inks of the same thickness. In addition, since the urethane foam itself is dyed with ink, it has been difficult to use for a clear ink tank even when a dyeing component is redissolved and none is obtained.
difference in color. In addition, since the urethane foam itself undergoes hydrolysis while containing the ink for a prolonged period of time, it has been difficult to reuse even when it may be sufficiently appropriate for the first use. For him
In contrast, the ink absorbing member composed of a fibrous material of the polyolefin type can be reused since the fibrous material itself is stable and furthermore has the merit that it does not stain. Accordingly, the ink absorber member can be reused by carrying
carries out the treatment of the waste ink according to the present invention. As will be understood from the foregoing description, the present invention can provide fibrous materials that do not incur any increase in
cost, while the influence of oils is eliminated - -
* of treatment mixed during the alteration of the provisions and similar, and the production process itself. In addition, the present invention can provide fibrous materials that do not incur an increase in cost while eliminating the influence of additives for their starting resins or denatured substances thereof, which may possibly be dissolved in a spinning step or additives or denatured substances thereof, which become easy to dissolve
by thermal treatment and the like, subjected to the use of the fibrous materials as members with which the ink is contacted, and the process of producing them. Even though the present invention has been described
With respect to what is currently considered as being the preferred embodiments, it will be understood that the invention is not limited to the disclosed modalities. On the contrary, the invention is intended to cover the various modifications and provisions
equivalents included within the spirit and scope of the appended claims. The scope of the following claims will be understood as being of the broadest interpretation in order to encompass all these modifications and equivalent structures and functions. 25
Claims (64)
1. A process for producing a fibrous material for a member with which the ink jet ink is contacted including the melt spinning step a thermoplastic resin, the process comprises the step of: subjecting a meollar to a glycol treatment wherein the meollar is contacted with a glycol added with ethylene oxide.
2. The process according to claim 1, wherein the glycol treatment is at least one treatment selected from (1) a treatment for applying the glycol to the yarn; 15 (2) a treatment for replacing a releasable component that is possibly released to the ink in the yarn by the glycol in order to reduce an amount of the component; and (3) a treatment for dissolving or emulsifying the releasable component in the yarn in the glycol.
3. The process according to claim 1 or 2, comprising the steps of: treating a molten mill with a spin oil, elongating the resulting non-elongated yarn, and treating the elongated yarn in a finishing oil. -
4. The process according to claim 3, wherein the glycol treatment is carried out in at least one step that is selected from among 5 a) a step of contacting a meollar with the glycol that is contained in an oil of spinning at the time of spinning by melting to apply the glycol to the meollar; b) a step for contacting a non-drawn yarn with a glycol-containing treatment agent after melt spinning; c) a step of contacting a non-elongated molten mill with a glycol-containing treatment agent during a step of elongating the yarn not 15 elongated; d) a step of contacting an elongated wire with a glycol that is contained in the finishing oil; and e) a step of contacting a yarn 20 obtained after elongation with a treatment agent containing the glycol.
5. The process according to claim 4, wherein the content of the glycol in the spinning oil in step a) or in the finishing oil in Step d) is at least 80 weight percent. *
6. The process according to any of claims 2 to 4, wherein the component to be released possibly towards the ink in the yarn is at least one of the additives contained in the resin 5 thermoplastic that constitutes the yarn and the components derived from the spinning oil of the finishing oil attached to the yarn.
7. The process according to any of claims 1 to 6, wherein the amount 10 released during contact with an inkjet ink of the components derived from the oils, which are likely to be released to the inkjet ink, is at most 100 parts per million based on the weight of the ink.
8. The process according to claim 7, wherein the components to be released are possibly detected components using at least one of silicon, phosphorus or potassium as an index.
9. The process according to any of claims 1 to 8, wherein the pH of the ink jet ink is from at least 6 to less than 11.
The process according to any of claims 3 to 9, where the # finished oil is a finishing oil for filament, multifilament, tow or staple fiber.
11. The process according to any of claims 1 to 10, wherein the glycol is a 5 acetylenglycol having a triple bond, wherein it has at least one secondary chain at a central site of a linear main chain and ethylene oxide is added to the secondary chain.
12. The process according to claim 11, wherein the glycol exhibits a non-ionic surface activity and has a cloudiness of at least 65 ° C.
The process according to claim 11, wherein the glycol is an oxide adduct 15 of ethylene of 2, 4, 7, 9-tetramethyl-5-decin-4,7-diol, where the number of moles of ethylene oxide added is from 3 to 30.
14. The process according to any of claims 4 to 13, wherein the agent of The glycol-containing treatment is composed of glycol alone.
15. The process according to any of claims 1 to 14, wherein the thermoplastic resin is at least one that is selected from the The group consisting of polyethylene, polypropylene, copolymers of ethylene and propylene, copolymers of polymethylpentene and ethylene-olefin.
16. The process according to any of claims 1 to 15, wherein the resin 5 thermoplastic is a resin to obtain a thermo-adhesive fibrous material.
17. The process according to any of claims 1 to 16, wherein the glycol is combined with a lubricant for a cutting blade for 10 the fiber or a lubricant for a sliding part of a mold for a hot-molded material.
18. A fibrous material produced in accordance with the production process according to any of claims 1 to 17. 15
19. An ink absorbing member that can supply an ink jet ink therein, wherein the The ink absorbing member is mainly composed of the fibrous materials according to claim 18.
20. A fibrous material composed of a thermoplastic resin, to which a glycol added with ethylene oxide is applied.
21. The fibrous material according to claim 20, wherein the thermoplastic resin at Less is one that is selected from the group consisting of polyethylene, polypropylene, ethylene and propylene copolymers, polymethylpentene copolymers and ethylene-olefin copolymers.
22. The fibrous material according to claim 20 or 21, wherein the thermoplastic resin is 5 a resin to obtain the thermo-adhesive fibrous material.
23. The fibrous material according to any of claims 20 to 22, wherein the glycol is acetylenglycol having a triple bond, wherein it has at least one secondary chain in one site. 10 of a linear main chain, and ethylene oxide is added to the secondary chain.
24. The fibrous material according to claim 23, wherein the glycol exhibits an anionic surface activity and has a temperature of 15 turbidity of at least 65 ° C.
25. Fibrous material in accordance with ^^ r claim 23, wherein the glycol is an adduct of ethylene oxide of 2,4,7,9-tetramethyl-5-decin-4,7-diol, wherein the number of moles of ethylene oxide that is add is 20 3 to 30.
26. The fibrous material composed of a thermoplastic resin, wherein an amount released during contact with an inkjet ink of the releasable components derived from the oils of The treatment, which will be possibly released into the inkjet ink, is at most 100 parts per million based on the weight of the ink.
27. The fibrous material according to claim 26, wherein the components that are going to 5 possibly released are detected components using at least one of silicon, phosphorus and potassium as an index.
28. The fibrous material according to claim 26 or 27, wherein the thermoplastic resin At least one is selected from the group consisting of polyethylene, polypropylene, ethylene-propylene copolymers, polymethylpentene and ethylene-olefin copolymers.
29. The fibrous material according to any of claims 26 to 28, wherein the thermoplastic resin is a resin to obtain a thermo-adhesive fibrous material.
30. An ink absorber member that can supply an ink jet ink in 20 the same, wherein the ink absorbing member is composed primarily of the fibrous materials according to any of claims 20 to 29.
31. A process for treating an ink absorbing member that can supply an ink supply of inkjet in it, the process comprises the steps of: treating a molded part comprising a fibrous material composed of a thermoplastic resin, with a treatment agent containing a glycol which is added with the ethylene oxide.
32. The process according to claim 31, wherein the glycol is an acetylenglycol having a triple bond, wherein it has at least one 10 secondary chain at the central site of a linear main chain, and ethylene oxide is added to the secondary chain.
33. The process according to claim 32, wherein the glycol exhibits an activity 15 of non-ionic surface and has a cloudiness of at least 65 ° C.
34. The process according to claim 32, wherein the glycol is an adduct of ethylene oxide of 2,4,7,9-tetramethyl-5-decin-4,7-diol, wherein The number of moles of the added ethylene oxide is from 3 to 30.
35. The process according to any of claims 31 to 34, wherein the glycol-containing treatment agent is composed of glycol. 25 only.
36. The process according to any of claims 31 to 35, wherein the glycol is used in combination with an aqueous solution of an alkali.
37. The process of claim 5, wherein the aqueous alkali solution is an aqueous solution of sodium hydroxide, potassium hydroxide or lithium hydroxide.
38. The process of compliance with any * of claims 31 to 37, wherein the resin The thermoplastic at least one is selected from the group consisting of polyethylene, polypropylene, ethylene-propylene copolymers, polymethylpentene and ethylene-olefin copolymers.
39. The process according to any 15 of claims 31 to 38, wherein the thermoplastic resin is a resin to obtain a material F fibrous thermo-adhesive.
40. The process according to any of claims 31 to 39, wherein an amount 20 released during contact with an ink jet ink of the components derived from the treatment oils fixed to the fibrous material that are likely to be released to the ink jet ink, is reduced to at most 100 parts per million based on the 25 weight of the ink.
41. The process according to claim 40, wherein the components to be released are possibly detected using at least one of silicon, phosphorus and potassium as an index. 5
42. An ink absorber member treated in accordance with the process and treatment according to any of claims 31 to 41.
43. An ink absorbing member comprising a fibrous material composed of a resin 10 thermoplastic and that can supply an ink jet ink therein, wherein a quantity released during contact with an ink jet ink of the releasable components that are derived from the treatment oils fixed in the fibrous material, which going to 15 possibly released towards the inkjet ink, is at most 100 parts per million, based on the F weight of the ink.
44. The ink absorber member according to claim 43, wherein the 20 components that are to be released are possibly detected using at least one of silicon, phosphorus and potassium as an index.
45. The ink absorber member according to claim 43 or 44, wherein the The thermoplastic resin is at least one which is selected from the group consisting of polyethylene, polypropylene, ethylene-propylene copolymers, polymethylpentene and ethylene-olefin copolymers.
46. The ink absorber member according to any of claims 43 to 45, wherein the thermoplastic resin is a resin to obtain a thermo-adhesive fibrous material.
47. An ink tank container for an ink jet head comprising an ink chamber having an opening portion communicating with the air and an ink supply opening connected with the ink jet head, in wherein the ink absorber member according to claims 19, 30 and 42 to 46 is equipped with a region including the ink feed opening in the ink chamber.
48. The ink tank package according to claim 47, wherein the ink absorber member is provided in contact with the ink feed opening.
49. An ink tank container for an ink jet head comprising an ink chamber having an opening portion communicating with the air, and a head connection chamber, which communicates with the ink chamber. ink and is adapted to feed an ink from the ink chamber to an ink jet head through a connection opening with the ink jet head, wherein the ink absorber member according to claim 19, 30 and 42 to 46, fits inside the connection chamber for the head.
50. The ink tank package according to claim 49, wherein the ink absorbing member is provided in contact with the ink feed opening.
51. An ink tank wherein the ink jet ink is loaded into the ink chamber of the ink tank package according to any of claims 47 to 50.
52. An ink jet cartridge comprising an ink jet. ink tank according to claim 51, 15 and an ink jet head for ejecting an ink contained in the ink tank, in a recording medium F to carry out the registration.
53. An ink jet apparatus comprising the ink jet cartridge in accordance with 20 claim 52, and a carriage in which the ink jet cartridge is releasably mounted.
54. A treatment process for regenerating an ink absorber member for an ink jet composed mainly of a fibrous material, the process 25 comprises the step of: treating the ink absorbing member with a residual ink held therein with a treatment agent containing a glycol which is added with ethylene oxide.
55. The process according to claim 54, wherein the glycol is an acetylene glycol having a triple package, in which it has at least one secondary chain at a central site of the linear main chain, and is added to the secondary oxide chain 10 of ethylene.
56. The process according to claim 55, wherein the glycol exhibits a non-ionic surface activity and has a cloudiness of at least 65 ° C.
57. The process according to claim 55, wherein the glycol is an adduct of ethylene oxide of 2, 4, 7, 9-tetramethyl-5-decin-4,7-diol, wherein the number of moles of ethylene oxide to be added is from 3 to 30. 20
58. The process according to any of claims 54 to 57, wherein the glycol-containing treatment agent is composed of glycol only. - - £ - * >
59. The process according to any of claims 54 to 58, wherein the glycol is used in combination with an aqueous solution of an alkali.
60. The process according to claim 59, wherein the aqueous alkali solution is an aqueous solution of sodium hydroxide, potassium hydroxide or lithium hydroxide.
61. The process according to any of claims 54 to 60, wherein the resin The thermoplastic at least one is selected from the group consisting of polyethylene, polypropylene, ethylene-propylene copolymers, polymethylpentene and ethylene-olefin copolymers.
62. The process according to any of claim 15, wherein the fibrous material is a thermo-adhesive fibrous material.
63. The process according to any of claims 54 to 62, wherein a quantity released during contact with an ink jet ink. 20 of the components derived from the treatment oils fixed to the fibrous material, which are possibly released to the inkjet ink, is reduced to at most 100 parts per million based on the weight of the ink.
64. The process according to claim 63, wherein the components to be released are possibly detected using at least one of silicon, phosphorus and potassium as an index. F
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9-221648 | 1997-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MXPA98006667A true MXPA98006667A (en) | 1999-12-10 |
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