JP2006149602A - Medical and sanitary material - Google Patents
Medical and sanitary material Download PDFInfo
- Publication number
- JP2006149602A JP2006149602A JP2004343700A JP2004343700A JP2006149602A JP 2006149602 A JP2006149602 A JP 2006149602A JP 2004343700 A JP2004343700 A JP 2004343700A JP 2004343700 A JP2004343700 A JP 2004343700A JP 2006149602 A JP2006149602 A JP 2006149602A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- medical hygiene
- synthetic resin
- fiber
- nonwoven fabric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000463 material Substances 0.000 title claims abstract description 33
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 59
- 239000000835 fiber Substances 0.000 claims abstract description 49
- 229920000728 polyester Polymers 0.000 claims abstract description 46
- 238000010521 absorption reaction Methods 0.000 claims abstract description 43
- 150000003839 salts Chemical class 0.000 claims description 42
- 229920000642 polymer Polymers 0.000 claims description 38
- -1 alkylene terephthalate Chemical compound 0.000 claims description 31
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 24
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 21
- 229920003002 synthetic resin Polymers 0.000 claims description 21
- 239000000057 synthetic resin Substances 0.000 claims description 21
- 229920001515 polyalkylene glycol Polymers 0.000 claims description 17
- 229920002972 Acrylic fiber Polymers 0.000 claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 15
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 14
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 claims description 6
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- 125000003368 amide group Chemical group 0.000 claims description 3
- 125000002560 nitrile group Chemical group 0.000 claims description 3
- 238000007259 addition reaction Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 26
- 239000007788 liquid Substances 0.000 abstract description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 67
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 21
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 18
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 16
- 238000006068 polycondensation reaction Methods 0.000 description 16
- 239000002253 acid Substances 0.000 description 15
- 238000005809 transesterification reaction Methods 0.000 description 15
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- 206010052428 Wound Diseases 0.000 description 10
- 208000027418 Wounds and injury Diseases 0.000 description 10
- 239000002585 base Substances 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 9
- 238000006116 polymerization reaction Methods 0.000 description 9
- 238000009987 spinning Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 229910052708 sodium Inorganic materials 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 239000002202 Polyethylene glycol Substances 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 6
- 230000035699 permeability Effects 0.000 description 6
- 229920001223 polyethylene glycol Polymers 0.000 description 6
- 229910052700 potassium Inorganic materials 0.000 description 6
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 239000000178 monomer Substances 0.000 description 5
- 150000002892 organic cations Chemical class 0.000 description 5
- 239000003381 stabilizer Substances 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 238000007334 copolymerization reaction Methods 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 4
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 4
- YSUQLAYJZDEMOT-UHFFFAOYSA-N 2-(butoxymethyl)oxirane Chemical compound CCCCOCC1CO1 YSUQLAYJZDEMOT-UHFFFAOYSA-N 0.000 description 3
- LKMJVFRMDSNFRT-UHFFFAOYSA-N 2-(methoxymethyl)oxirane Chemical compound COCC1CO1 LKMJVFRMDSNFRT-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000000416 exudates and transudate Anatomy 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 3
- PXGZQGDTEZPERC-UHFFFAOYSA-N 1,4-cyclohexanedicarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)CC1 PXGZQGDTEZPERC-UHFFFAOYSA-N 0.000 description 2
- QTVONDYLMOEYFA-UHFFFAOYSA-N 2,6-bis(2-hydroxyethoxycarbonyl)benzenesulfonic acid Chemical compound OCCOC(=O)C1=CC=CC(C(=O)OCCO)=C1S(O)(=O)=O QTVONDYLMOEYFA-UHFFFAOYSA-N 0.000 description 2
- WNISWKAEAPQCJQ-UHFFFAOYSA-N 2-[(2-nonylphenoxy)methyl]oxirane Chemical compound CCCCCCCCCC1=CC=CC=C1OCC1OC1 WNISWKAEAPQCJQ-UHFFFAOYSA-N 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- FQYUMYWMJTYZTK-UHFFFAOYSA-N Phenyl glycidyl ether Chemical compound C1OC1COC1=CC=CC=C1 FQYUMYWMJTYZTK-UHFFFAOYSA-N 0.000 description 2
- 208000004210 Pressure Ulcer Diseases 0.000 description 2
- 206010072170 Skin wound Diseases 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 230000001588 bifunctional effect Effects 0.000 description 2
- QPKOBORKPHRBPS-UHFFFAOYSA-N bis(2-hydroxyethyl) terephthalate Chemical compound OCCOC(=O)C1=CC=C(C(=O)OCCO)C=C1 QPKOBORKPHRBPS-UHFFFAOYSA-N 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000007809 chemical reaction catalyst Substances 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 238000001523 electrospinning Methods 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- PJJZFXPJNUVBMR-UHFFFAOYSA-L magnesium benzoate Chemical compound [Mg+2].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 PJJZFXPJNUVBMR-UHFFFAOYSA-L 0.000 description 2
- 238000002074 melt spinning Methods 0.000 description 2
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 2
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 235000011007 phosphoric acid Nutrition 0.000 description 2
- 150000003014 phosphoric acid esters Chemical class 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 235000010235 potassium benzoate Nutrition 0.000 description 2
- 239000004300 potassium benzoate Substances 0.000 description 2
- 229940103091 potassium benzoate Drugs 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 2
- 235000010234 sodium benzoate Nutrition 0.000 description 2
- 239000004299 sodium benzoate Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 2
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 1
- KVGOXGQSTGQXDD-UHFFFAOYSA-N 1-decane-sulfonic-acid Chemical compound CCCCCCCCCCS(O)(=O)=O KVGOXGQSTGQXDD-UHFFFAOYSA-N 0.000 description 1
- LDMOEFOXLIZJOW-UHFFFAOYSA-N 1-dodecanesulfonic acid Chemical compound CCCCCCCCCCCCS(O)(=O)=O LDMOEFOXLIZJOW-UHFFFAOYSA-N 0.000 description 1
- ZRPKEUVFESZUKX-UHFFFAOYSA-N 2-(2-hydroxyethoxy)benzoic acid Chemical compound OCCOC1=CC=CC=C1C(O)=O ZRPKEUVFESZUKX-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- YZUMRMCHAJVDRT-UHFFFAOYSA-N 2-(hexadecoxymethyl)oxirane Chemical compound CCCCCCCCCCCCCCCCOCC1CO1 YZUMRMCHAJVDRT-UHFFFAOYSA-N 0.000 description 1
- NWLUZGJDEZBBRH-UHFFFAOYSA-N 2-(propan-2-yloxymethyl)oxirane Chemical compound CC(C)OCC1CO1 NWLUZGJDEZBBRH-UHFFFAOYSA-N 0.000 description 1
- LCZVSXRMYJUNFX-UHFFFAOYSA-N 2-[2-(2-hydroxypropoxy)propoxy]propan-1-ol Chemical compound CC(O)COC(C)COC(C)CO LCZVSXRMYJUNFX-UHFFFAOYSA-N 0.000 description 1
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 1
- WLJVXDMOQOGPHL-PPJXEINESA-N 2-phenylacetic acid Chemical compound O[14C](=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-PPJXEINESA-N 0.000 description 1
- YZTJKOLMWJNVFH-UHFFFAOYSA-N 2-sulfobenzene-1,3-dicarboxylic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1S(O)(=O)=O YZTJKOLMWJNVFH-UHFFFAOYSA-N 0.000 description 1
- MMINFSMURORWKH-UHFFFAOYSA-N 3,6-dioxabicyclo[6.2.2]dodeca-1(10),8,11-triene-2,7-dione Chemical group O=C1OCCOC(=O)C2=CC=C1C=C2 MMINFSMURORWKH-UHFFFAOYSA-N 0.000 description 1
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 1
- FUSNOPLQVRUIIM-UHFFFAOYSA-N 4-amino-2-(4,4-dimethyl-2-oxoimidazolidin-1-yl)-n-[3-(trifluoromethyl)phenyl]pyrimidine-5-carboxamide Chemical compound O=C1NC(C)(C)CN1C(N=C1N)=NC=C1C(=O)NC1=CC=CC(C(F)(F)F)=C1 FUSNOPLQVRUIIM-UHFFFAOYSA-N 0.000 description 1
- MAGFQRLKWCCTQJ-UHFFFAOYSA-N 4-ethenylbenzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=C(C=C)C=C1 MAGFQRLKWCCTQJ-UHFFFAOYSA-N 0.000 description 1
- CARJPEPCULYFFP-UHFFFAOYSA-N 5-Sulfo-1,3-benzenedicarboxylic acid Chemical compound OC(=O)C1=CC(C(O)=O)=CC(S(O)(=O)=O)=C1 CARJPEPCULYFFP-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920001634 Copolyester Polymers 0.000 description 1
- 206010011985 Decubitus ulcer Diseases 0.000 description 1
- JYFHYPJRHGVZDY-UHFFFAOYSA-N Dibutyl phosphate Chemical compound CCCCOP(O)(=O)OCCCC JYFHYPJRHGVZDY-UHFFFAOYSA-N 0.000 description 1
- OWYWGLHRNBIFJP-UHFFFAOYSA-N Ipazine Chemical compound CCN(CC)C1=NC(Cl)=NC(NC(C)C)=N1 OWYWGLHRNBIFJP-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920001410 Microfiber Polymers 0.000 description 1
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- XQKKWWCELHKGKB-UHFFFAOYSA-L calcium acetate monohydrate Chemical compound O.[Ca+2].CC([O-])=O.CC([O-])=O XQKKWWCELHKGKB-UHFFFAOYSA-L 0.000 description 1
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- 150000001869 cobalt compounds Chemical class 0.000 description 1
- ZBYYWKJVSFHYJL-UHFFFAOYSA-L cobalt(2+);diacetate;tetrahydrate Chemical compound O.O.O.O.[Co+2].CC([O-])=O.CC([O-])=O ZBYYWKJVSFHYJL-UHFFFAOYSA-L 0.000 description 1
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- 230000035876 healing Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- SSILHZFTFWOUJR-UHFFFAOYSA-N hexadecane-1-sulfonic acid Chemical compound CCCCCCCCCCCCCCCCS(O)(=O)=O SSILHZFTFWOUJR-UHFFFAOYSA-N 0.000 description 1
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- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 1
- 239000012493 hydrazine sulfate Substances 0.000 description 1
- 229910000377 hydrazine sulfate Inorganic materials 0.000 description 1
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- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 229940031993 lithium benzoate Drugs 0.000 description 1
- LDJNSLOKTFFLSL-UHFFFAOYSA-M lithium;benzoate Chemical compound [Li+].[O-]C(=O)C1=CC=CC=C1 LDJNSLOKTFFLSL-UHFFFAOYSA-M 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229940082328 manganese acetate tetrahydrate Drugs 0.000 description 1
- CESXSDZNZGSWSP-UHFFFAOYSA-L manganese(2+);diacetate;tetrahydrate Chemical compound O.O.O.O.[Mn+2].CC([O-])=O.CC([O-])=O CESXSDZNZGSWSP-UHFFFAOYSA-L 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- CACRRXGTWZXOAU-UHFFFAOYSA-N octadecane-1-sulfonic acid Chemical compound CCCCCCCCCCCCCCCCCCS(O)(=O)=O CACRRXGTWZXOAU-UHFFFAOYSA-N 0.000 description 1
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- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
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- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- KVCGISUBCHHTDD-UHFFFAOYSA-M sodium;4-methylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1 KVCGISUBCHHTDD-UHFFFAOYSA-M 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- MYOWBHNETUSQPA-UHFFFAOYSA-N tetradecane-1-sulfonic acid Chemical compound CCCCCCCCCCCCCCS(O)(=O)=O MYOWBHNETUSQPA-UHFFFAOYSA-N 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 231100000397 ulcer Toxicity 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- JDLYKQWJXAQNNS-UHFFFAOYSA-L zinc;dibenzoate Chemical compound [Zn+2].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 JDLYKQWJXAQNNS-UHFFFAOYSA-L 0.000 description 1
Landscapes
- Nonwoven Fabrics (AREA)
- Medicinal Preparation (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
本発明は、吸湿、吸水性に優れ、一旦吸収した水等の液体の保持性に優れる上、吸収した水等の放湿、放水速度が可及的に向上された、フィルム及び／又は不織布からなる医療衛生用資材に関するものである。 The present invention is a film and / or non-woven fabric that is excellent in moisture absorption and water absorption, has excellent retention of liquids such as water once absorbed, and has improved moisture release and water discharge rates as much as possible. It relates to medical hygiene materials.
従来より、擦過傷、切創、挫創などの一般外傷、採皮創、削皮創などの手術創、熱傷、潰傷、褥瘡（床ずれ）などの創傷を治療する際の一つの方法として、傷口に治療薬を塗布した後、その上にガーゼや合成繊維からなる不織布或いは合成樹脂からなるフィルムなどを被せ、被覆材で固定する、創傷被覆材を使用する方法が取られてきた（例えば、特開２００２−２００１１０号公報など）。 Conventionally, as a method of treating wounds such as general wounds such as abrasions, cuts, and wounds, surgical wounds such as skin wounds, skin wounds, burns, ulcers, and pressure sores (bed sores), After applying a therapeutic agent, a method of using a wound dressing has been taken, in which a non-woven fabric made of gauze or synthetic fiber or a film made of synthetic resin is covered thereon and fixed with a dressing (for example, JP 2002-200110 etc.).
このような場合、ガーゼや不織布或いはフィルムを直接創傷面にあてるので、創傷面からの血液や膿などの滲出液はガーゼや不織布に直接吸収されることになるが、ガーゼや不織布の吸水能力はそれほど高くないため、滲出液の貯留が起こり、この貯留が逆に菌の発生を助長し、早期治癒が困難になるという問題があった。
また、特に熱傷や火傷の場合、創傷部に熱が籠もる易いため患者の苦痛が増し、ガーゼや不織布の交換を頻繁に行わなければならないといった問題があった。
In such a case, since gauze, non-woven fabric or film is directly applied to the wound surface, exudate such as blood and pus from the wound surface is directly absorbed by gauze or non-woven fabric. Since it was not so high, there was a problem that exudate was stored, and this storage conversely promoted the generation of bacteria, making early healing difficult.
In particular, in the case of burns and burns, there is a problem in that the patient's pain increases because the heat easily accumulates in the wound part, and the gauze and the nonwoven fabric must be frequently replaced.
さらに、従来より、経皮吸収製剤や絆創膏、パップ材、プラスターなどとして、伸縮性を有する基布に、薬剤を含ませた医療用貼付材が知られているが（例えば、特開平４−１１２６号公報など）、これらの貼付材は、皮膚に貼り付けた際に違和感なく身体の動きに追従する様、できる限り薄いことが望ましいので、薬剤の含有量を高めることが困難であるという欠点があった。 Further, conventionally, as a transdermally absorbable preparation, a bandage, a poultice, a plaster, and the like, a medical patch material in which a drug is contained in a stretchable base fabric is known (for example, JP-A-4-1126). However, it is desirable that these adhesives be as thin as possible so as to follow the movement of the body without a sense of incongruity when they are applied to the skin. Therefore, it is difficult to increase the content of the drug. there were.
本発明の目的は、上記従来技術の有する問題点を解決し、吸湿、吸水性に優れ、一旦吸収した水等の液体の保持性に優れる上、吸収した水等の放湿、放水速度が可及的に向上された、不織布及び／又はフィルムからなる医療衛生用資材を提供することにある。 The object of the present invention is to solve the above-mentioned problems of the prior art, excellent in moisture absorption and water absorption, excellent in retention of liquid such as water once absorbed, and capable of moisture absorption and water discharge speed of absorbed water. An object of the present invention is to provide a material for medical hygiene consisting of a nonwoven fabric and / or a film that is improved as much as possible.
本発明者等は上記目的を達成するため鋭意検討した結果、合成樹脂から形成されるフィルム、及び／又は合成樹脂製繊維から形成される不織布の吸放湿特性を制御するとき、所望の医療衛生用資材が得られることを究明し、本発明に到達した。 As a result of intensive studies to achieve the above object, the present inventors have determined that when controlling moisture absorption / release characteristics of a film formed from a synthetic resin and / or a nonwoven fabric formed from a synthetic resin fiber, the desired medical hygiene The present inventors have found out that materials for use can be obtained, and have reached the present invention.
かくして本発明によれば、吸湿性合成樹脂から形成されるフィルム、及び／又は吸湿性合成樹脂製繊維から形成される不織布からなる医療衛生用資材であって、該フィルム又は不織布の、下記式により表される吸放湿係数ＭＲが１０以上であることを特徴とする医療衛生用資材。 Thus, according to the present invention, a medical hygiene material comprising a film formed from a hygroscopic synthetic resin and / or a non-woven fabric formed from hygroscopic synthetic resin fibers, wherein the film or non-woven fabric has the following formula: A medical hygiene material having a moisture absorption / release coefficient MR of 10 or more.
本発明によれば、吸湿、吸水性に優れ、一旦吸収した水等の液体の保持性に優れる上、吸収した水等の放湿、放水速度が可及的に向上された、フィルム及び／又は不織布からなる医療衛生用資材が提供されるので、創傷被覆材、包帯、絆創膏、貼付材用基材などの用途に好適に使用できる。 According to the present invention, the film and / or water absorption, water absorption, excellent retention of liquid such as water once absorbed, and moisture and water release speed of absorbed water and the like are improved as much as possible. Since the medical hygiene material which consists of a nonwoven fabric is provided, it can be used conveniently for uses, such as a wound dressing, a bandage, a adhesive plaster, and a base material for patch materials.
本発明の医療衛生用資材は、吸湿性合成樹脂から形成されるフィルム、及び／又は吸湿性合成樹脂製繊維から形成される不織布から構成されている。ここで、吸湿性合成樹脂とは、フィルム状或いは繊維状に形成された際、９５％ＲＨ雰囲気下、３５℃で３６０分放置した後の吸湿率（％）が１２％以上となる合成樹脂を言う。該合成樹脂は、従来公知の方法によりフィルム状或いは繊維状に成形される。 The medical hygiene material of the present invention is composed of a film formed from a hygroscopic synthetic resin and / or a non-woven fabric formed from hygroscopic synthetic resin fibers. Here, the hygroscopic synthetic resin refers to a synthetic resin having a moisture absorption rate (%) of 12% or more after being left in a 95% RH atmosphere at 35 ° C. for 360 minutes when formed into a film or fiber. To tell. The synthetic resin is formed into a film or fiber by a conventionally known method.
このような吸湿性合成樹脂の製造方法等には特に限定はないが、アルキレンテレフタレートを主たる繰り返し単位とし、下記式（Ｉ）で示される有機スルホン酸金属塩（Ａ）と下記式（ＩＩ）で示されるポリアルキレングリコール（Ｂ）とが共重合されたポリエステルに、下記式（ＩＩＩ）で示される有機カルボン酸金属塩（Ｃ）が配合されてなるポリエステルポリマーを使用すれば、本願の効果が顕著に発現するので好ましい。 There is no particular limitation on the method for producing such a hygroscopic synthetic resin, but an alkylene terephthalate is the main repeating unit, and the organic sulfonic acid metal salt (A) represented by the following formula (I) and the following formula (II) If a polyester polymer obtained by blending an organic carboxylic acid metal salt (C) represented by the following formula (III) with a polyester copolymerized with the polyalkylene glycol (B) shown, the effect of the present application is remarkable. This is preferable.
ここで、アルキレンテレフタレート単位を「主たる」繰り返し単位とするポリエステルとは、アルキレンテレフタレート単位以外の繰り返し単位を、ポリエステルを構成する全繰り返し単位を基準として、２０モル％以下、好ましくは１５モル％以下、特に好ましくは１０モル％以下の共重合成分として含有していてもよいことを意味する。なお、アルキレンテレフタレート単位のグリコール成分としては、炭素数２〜４のアルキレングリコールが好ましく、エチレングリコール、トリメチレングリコール、テトラメチレングリコールなどを例示することができる。 Here, the polyester having an alkylene terephthalate unit as a “main” repeating unit is a repeating unit other than an alkylene terephthalate unit, based on all repeating units constituting the polyester, 20 mol% or less, preferably 15 mol% or less, Particularly preferably, it means that it may be contained as a copolymer component of 10 mol% or less. In addition, as a glycol component of an alkylene terephthalate unit, a C2-C4 alkylene glycol is preferable, and ethylene glycol, trimethylene glycol, tetramethylene glycol etc. can be illustrated.
共重合し得るテレフタル酸以外の二官能性カルボン酸成分としては、例えばイソフタル酸、ナフタレンジカルボン酸、ジフェニルジカルボン酸、ジフェノキシエタンジカルボン酸、β−ヒドロキシエトキシ安息香酸、Ｐ−オキシ安息香酸、アジピン酸、セバシン酸、１，４−シクロヘキサンジカルボン酸のような芳香族、脂環族、脂肪族の二官能性カルボン酸を挙げることができる。 Examples of the bifunctional carboxylic acid component other than terephthalic acid that can be copolymerized include isophthalic acid, naphthalenedicarboxylic acid, diphenyldicarboxylic acid, diphenoxyethanedicarboxylic acid, β-hydroxyethoxybenzoic acid, P-oxybenzoic acid, and adipic acid. And aromatic, alicyclic and aliphatic bifunctional carboxylic acids such as sebacic acid and 1,4-cyclohexanedicarboxylic acid.
また、共重合し得るアルキレングリコール以外のジオール成分としては、例えば、シクロヘキサン−１，４−ジメタノール、ネオペンチルグリコール、ビスフェノールＡ、ビスフェノールＳのような脂肪族、脂環族、芳香族のジオール化合物を挙げることができる。 Examples of diol components other than alkylene glycol that can be copolymerized include, for example, aliphatic, alicyclic, and aromatic diol compounds such as cyclohexane-1,4-dimethanol, neopentyl glycol, bisphenol A, and bisphenol S. Can be mentioned.
さらに、本発明の目的の達成が実質的に損なわれない範囲内であれば、トリメリット酸、ピロメリット酸のような三官能性以上のポリカルボン酸、グリセリン、トリメチロールプロパン、ペンタエリスリトールのような三官能性以上のポリオールを共重合成分として用いてもよい。 Furthermore, as long as the achievement of the object of the present invention is not substantially impaired, a tricarboxylic acid or more polycarboxylic acid such as trimellitic acid or pyromellitic acid, glycerin, trimethylolpropane, pentaerythritol, etc. A trifunctional or higher functional polyol may be used as a copolymerization component.
上記ポリエステルに共重合される成分（Ａ）は前記式（Ｉ）で示される有機スルホン酸金属塩であり、式中、Ｒ1は芳香族炭化水素基又は脂肪族炭化水素基、Ｘ1はエステル形成性の官能基、Ｘ2はエステル形成性官能基又は水素原子である。ここでいうエステル形成性の官能基とは、反応してエステル結合を介してポリエステルに結合され得る官能基であり、一般にはヒドロキシル基、カルボキシル基又はそれらのエステルである。Ｍは、Ｎａ、Ｋ、Ｌｉなどのアルカリ金属又はＭｇ、Ｃａなどのアルカリ土類金属であり、なかでもＮａ、Ｋが好ましい。このような有機スルホン酸金属塩は、１種でも２種以上の混合物としても使用でき、好ましい具体例としては、５−ナトリムスルホイソフタル酸ジメチル、５−カリウムスルホイソフタル酸ジメチル、５−リチウムスルホイソフタル酸ジメチル、５−ナトリウムスルホイソフタル酸ビス（β−ヒドロキシエチル）エステル、５−カリウムスルホイソフタル酸ビス（β−ヒドロキシエチル）エステル、５−リチウムスルホイソフタル酸ビス（β−ヒドロキシエチル）エステル等を挙げることができる。 The component (A) copolymerized with the polyester is an organic sulfonic acid metal salt represented by the formula (I), wherein R 1 is an aromatic hydrocarbon group or an aliphatic hydrocarbon group, and X 1 is an ester. Formable functional group, X 2 is an ester-forming functional group or a hydrogen atom. The ester-forming functional group here is a functional group that can be reacted and bonded to the polyester via an ester bond, and is generally a hydroxyl group, a carboxyl group, or an ester thereof. M is an alkali metal such as Na, K or Li, or an alkaline earth metal such as Mg or Ca, and Na or K is particularly preferable. Such an organic sulfonic acid metal salt can be used alone or as a mixture of two or more thereof, and preferred specific examples thereof include 5-dimethylsulfoisophthalate dimethyl, 5-potassium sulfoisophthalate dimethyl, 5-lithium sulfoisophthalate. Dimethyl acid, 5-sodium sulfoisophthalic acid bis (β-hydroxyethyl) ester, 5-potassium sulfoisophthalic acid bis (β-hydroxyethyl) ester, 5-lithium sulfoisophthalic acid bis (β-hydroxyethyl) ester, etc. be able to.
有機スルホン酸金属塩のポリエステルへの共重合量は、ポリエステルを構成する全ジカルボン酸成分を基準として、０．１〜１５モル％であることが好ましく、特に０．１〜１０モル％であることが好ましい。 The copolymerization amount of the organic sulfonic acid metal salt to the polyester is preferably 0.1 to 15 mol%, particularly 0.1 to 10 mol%, based on the total dicarboxylic acid component constituting the polyester. Is preferred.
次に、上記式（ＩＩ）で示される成分（Ｂ）としてのポリアルキレングリコールは、ポリエステルの吸水性能を向上させる目的で共重合させるが、ポリエステルを構成する全ジカルボン酸成分を基準として、０．１〜２０重量％共重合することが好ましく、特に好ましくは０．２〜１５重量％である。 Next, the polyalkylene glycol as the component (B) represented by the above formula (II) is copolymerized for the purpose of improving the water absorption performance of the polyester. Copolymerization is preferably 1 to 20% by weight, particularly preferably 0.2 to 15% by weight.
かかるポリアルキレングリコールとしては、トリエチレングリコール、テトラエチレングリコール、トリプロピレングリコール、ポリエチレングリコール（分子量１０００、２０００、４０００、８０００、２００００、５００００）などを例示することができ、特に分子量が１０００〜８０００のポリエチレングリコールが好ましい。 Examples of such polyalkylene glycols include triethylene glycol, tetraethylene glycol, tripropylene glycol, polyethylene glycol (molecular weight 1000, 2000, 4000, 8000, 20000, 50000), and the like, particularly those having a molecular weight of 1000 to 8000. Polyethylene glycol is preferred.
次に、上記共重合ポリエステル中に配合される前記式（ＩＩＩ）で示される成分（Ｃ）としての有機カルボン酸金属塩としては、安息香酸ナトリウム、安息香酸カリウム、安息香酸マグネシウム、安息香酸リチウム、安息香酸亜鉛、トルイル酸ナトリウム、トルイル酸カリウム、トルイル酸リチウムなどが挙げられる。このうち、安息香酸ナトリウム、安息香酸カリウム、安息香酸マグネシウムが特に好ましく、該有機カルボン酸金属塩は、１種でも２種以上併用してもよい。また、該有機カルボン酸金属塩の配合量は、ポリエステル組成物中に０．０１〜５重量％占めるように配合することが好ましく、さらに好ましくは０．０５〜３重量％である。 Next, as the organic carboxylic acid metal salt as the component (C) represented by the formula (III) blended in the copolymerized polyester, sodium benzoate, potassium benzoate, magnesium benzoate, lithium benzoate, Examples include zinc benzoate, sodium toluate, potassium toluate, and lithium toluate. Among these, sodium benzoate, potassium benzoate, and magnesium benzoate are particularly preferable, and the organic carboxylic acid metal salt may be used alone or in combination of two or more. Moreover, it is preferable to mix | blend the compounding quantity of this organic carboxylic acid metal salt so that it may occupy 0.01 to 5 weight% in a polyester composition, More preferably, it is 0.05 to 3 weight%.
上記ポリエステルポリマーの固有粘度は通常０．３〜１．０の範囲、特に０．４〜０．７の範囲が好適である。固有粘度が０．３未満であると、衝撃強度が低下したり、延伸成形性が低下したりするなどの物性低下が起こりやすく、一方、固有粘度が１．０を越えると、生産性が悪化するとともに、延伸などの成形性が低下しやすい。 The intrinsic viscosity of the polyester polymer is usually in the range of 0.3 to 1.0, particularly preferably in the range of 0.4 to 0.7. If the intrinsic viscosity is less than 0.3, physical properties such as impact strength and stretch moldability are likely to deteriorate. On the other hand, if the intrinsic viscosity exceeds 1.0, productivity is deteriorated. In addition, formability such as stretching tends to be reduced.
次に、上記ポリエステルポリマーの製造方法につき、エチレンテレフタレート単位を主たる繰返し単位とするポリエステルを例として、以下に説明する。
先ず、テレフタル酸ジメチルとエチレングリコールとを、エステル交換触媒の存在下のエステル交換反応させるか、テレフタル酸とエチレングリコールとを直接エステル化反応させるか又はテレフタル酸とエチレンオキサイドとを反応させるかして、ビス（β−ヒドロキシエチル）テレフタレ−ト及び／又はそのオリゴマ−を形成させ、その後、重縮合触媒及び安定剤の存在下で高温減圧下に溶融重縮合を行って、ポリエチレンテレフタレートを得るにあたり、下記（Ｉ）、（ＩＩ）及び（ＩＩＩ）成分をポリエステルの合成が完了する以前の任意の段階で反応系内に添加することによって達成される。好ましくは、（Ｉ）及び（ＩＩ）成分はビス（β−ヒドロキシエチル）テレフタレ−ト及び／又はそのオリゴマ−を形成させる前の段階、（ＩＩＩ）成分は重縮合反応中に添加するのが好ましい。
Next, the method for producing the polyester polymer will be described below by taking polyester having ethylene terephthalate units as the main repeating unit as an example.
First, dimethyl terephthalate and ethylene glycol are transesterified in the presence of a transesterification catalyst, terephthalic acid and ethylene glycol are directly esterified, or terephthalic acid and ethylene oxide are reacted. Bis (β-hydroxyethyl) terephthalate and / or its oligomer, and then melt polycondensation under high temperature and reduced pressure in the presence of a polycondensation catalyst and a stabilizer to obtain polyethylene terephthalate. This is achieved by adding the following components (I), (II) and (III) into the reaction system at any stage before the synthesis of the polyester is completed. Preferably, the components (I) and (II) are added before the formation of bis (β-hydroxyethyl) terephthalate and / or its oligomer, and the component (III) is preferably added during the polycondensation reaction. .
これらの反応には必要に応じて任意の触媒を使用することができるが、なかでもエステル交換反応させる際に用いる触媒としては、マグネシウム、カルシウム等のアルカリ土類金属塩、チタン、亜鉛、マンガン等の金属化合物を使用するのが好ましく、重縮合触媒としては、ゲルマニウム化合物、アンチモン化合物、チタン化合物、コバルト化合物、錫化合物を使用するのが好ましい。
触媒の使用量は、エステル交換反応、重縮合反応を進行させるために必要な量であるならば特に限定されるものではなく、また、複数の触媒を併用することも可能である。
Any catalyst can be used for these reactions as required, and among them, as the catalyst used for the transesterification reaction, alkaline earth metal salts such as magnesium and calcium, titanium, zinc, manganese, etc. These metal compounds are preferably used, and germanium compounds, antimony compounds, titanium compounds, cobalt compounds, and tin compounds are preferably used as the polycondensation catalyst.
The amount of the catalyst used is not particularly limited as long as it is a necessary amount for proceeding the transesterification reaction and polycondensation reaction, and a plurality of catalysts can be used in combination.
また、安定剤としては、トリメチルホスフェート、トリエチルホスフェート、トリフェニルホスフェート等のリン酸エステル類、トリフェニルホスファイト、トリスドデシルホスファイト等の亜リン酸エステル類、メチルアシッドホスフェート、ジブチルホスフェート、モノブチルホスフェート酸性リン酸エステル、リン酸、亜リン酸、次亜リン酸、ポリリン酸等のリン化合物を用いることが好ましい。 In addition, as stabilizers, phosphate esters such as trimethyl phosphate, triethyl phosphate and triphenyl phosphate, phosphites such as triphenyl phosphate and trisdodecyl phosphate, methyl acid phosphate, dibutyl phosphate, monobutyl phosphate It is preferable to use a phosphorus compound such as acidic phosphoric acid ester, phosphoric acid, phosphorous acid, hypophosphorous acid, or polyphosphoric acid.
エステル交換反応触媒の供給は、原料調製時の他、エステル交換反応の初期の段階において行うことができる。また、安定剤の供給は、重縮合反応初期までに行うことができるが、エステル交換反応終了時に添加することが好ましい。さらに、重縮合触媒は重縮合反応工程の初期までに供給することができる。 The transesterification reaction catalyst can be supplied at the initial stage of the transesterification reaction in addition to the preparation of the raw material. The stabilizer can be supplied before the beginning of the polycondensation reaction, but it is preferably added at the end of the transesterification reaction. Furthermore, the polycondensation catalyst can be supplied by the early stage of the polycondensation reaction step.
エステル交換反応時の反応温度は、通常２００〜２６０℃であり、反応圧力は常圧〜０．３Ｍｐａである。また、重縮合時の反応温度は、通常２５０〜３００℃であり、反応圧力は通常６０〜０．１ｋｐａである。この様なエステル交換反応及び重縮合反応は、一段で行っても、複数段階に分けて行ってもよい。 The reaction temperature during the transesterification reaction is usually 200 to 260 ° C., and the reaction pressure is normal pressure to 0.3 Mpa. The reaction temperature during polycondensation is usually 250 to 300 ° C., and the reaction pressure is usually 60 to 0.1 kpa. Such a transesterification reaction and polycondensation reaction may be performed in one stage or in multiple stages.
また、本発明においては、吸湿性合成樹脂として、エチレンテレフタレートを主たる繰り返し単位とし、下記式（ＩＶ）で示される有機スルホン酸金属塩及び平均分子量が５０００〜５００００のポリアルキレングリコールを含有するポリエステルポリマーを使用しても良い。 In the present invention, as a hygroscopic synthetic resin, a polyester polymer containing ethylene terephthalate as a main repeating unit, an organic sulfonic acid metal salt represented by the following formula (IV), and a polyalkylene glycol having an average molecular weight of 5000 to 50000 May be used.
ここで、エチレンテレフタレートを主たる繰り返し単位とするポリエステルとは、テレフタル酸またはそのエステル形成性誘導体をジカルボン酸成分とし、エチレングリコールまたはそのエステル形成性誘導体をグリコール成分とするポリエステルが代表的なものであるが、このジカルボン酸成分の一部を他のジカルボン酸成分で置き換えてもよく、またグリコール成分の一部を他のグリコール成分で置き換えてもよい。 Here, the polyester having ethylene terephthalate as a main repeating unit is typically a polyester having terephthalic acid or an ester-forming derivative thereof as a dicarboxylic acid component and ethylene glycol or an ester-forming derivative thereof as a glycol component. However, a part of the dicarboxylic acid component may be replaced with another dicarboxylic acid component, and a part of the glycol component may be replaced with another glycol component.
他のジカルボン酸成分としては、イソフタル酸、５−スルホイソフタル酸のモノアルカリ金属塩、ナフタレンジカルボン酸、ジフェニルジカルボン酸、ジフェニルスルホンジカルボン酸、アジピン酸、セバシン酸、１，４−シクロヘキサンジカルボン酸等のジカルボン酸類またはそのエステル及びｐ−オキシ安息香酸、ｐ−β−オキシエトキシ安息香酸等のオキシカルボン酸類またはそのエステル等が挙げられる。 Other dicarboxylic acid components include isophthalic acid, mono-alkali metal salt of 5-sulfoisophthalic acid, naphthalenedicarboxylic acid, diphenyldicarboxylic acid, diphenylsulfonedicarboxylic acid, adipic acid, sebacic acid, 1,4-cyclohexanedicarboxylic acid, etc. Examples thereof include dicarboxylic acids or esters thereof and oxycarboxylic acids such as p-oxybenzoic acid and p-β-oxyethoxybenzoic acid or esters thereof.
また、他のグリコール成分としては、１，４−ブタンジオール、炭素数２〜１０のアルキレングリコール、１，４−シクロヘキサンジメタノール、ネオペンチルグリコール、１，４−ビス（β−オキシエトキシ）ベンゼン、ビスフェノールＡのビスグリコールエーテル、ポリアルキレングリコール等が挙げられる。 As other glycol components, 1,4-butanediol, alkylene glycol having 2 to 10 carbon atoms, 1,4-cyclohexanedimethanol, neopentyl glycol, 1,4-bis (β-oxyethoxy) benzene, Examples include bisglycol ether of bisphenol A, polyalkylene glycol, and the like.
更に、ポリエステルが実質的に線状である範囲で、トリメリット酸、ピロメリット酸等のポリカルボン酸、ペンタエリスリトール、トリメチロールプロパン、グリセリン等のポリオール、モノハイドリックポリアルキレンオキサイド、フェニル酢酸等の重合停止剤が用いられたものでも差支えない。 Furthermore, within the range in which the polyester is substantially linear, polycarboxylic acids such as trimellitic acid and pyromellitic acid, polyols such as pentaerythritol, trimethylolpropane, glycerin, monohydric polyalkylene oxide, phenylacetic acid, etc. Even if a polymerization terminator is used, there is no problem.
かかるポリエステルは公知の任意の方法で合成したものでよい。例えばポリエチレンテレフタレートについて説明すれば、テレフタル酸とエチレングリコールとを直接エステル化反応させるか、テレフタル酸ジメチルの如きテレフタル酸の低級アルキルエステルとエチレングリコールとをエステル交換反応させるか、またはテレフタル酸にエチレンオキサイドを付加反応させるかして、テレフタル酸のグリコールエステル、及び／またはその低重縮合体を合成し、次いで該生成物を常法により重縮合させる方法が一般的である。更に、本発明におけるポリエステルの合成に当たっては、公知の触媒、抗酸化剤、着色防止剤、エーテル結合副生防止剤、難燃剤、その他の添加剤を適宜用いたものでもよい。 Such polyester may be synthesized by any known method. For example, for polyethylene terephthalate, terephthalic acid and ethylene glycol are directly esterified, terephthalic acid, such as dimethyl terephthalate, is transesterified with ethylene glycol, or terephthalic acid is ethylene oxide. Is generally used to synthesize a glycol ester of terephthalic acid and / or a low polycondensate thereof, and then polycondensate the product by a conventional method. Furthermore, in the synthesis of the polyester in the present invention, known catalysts, antioxidants, anti-coloring agents, ether bond by-product inhibitors, flame retardants, and other additives may be used as appropriate.
また、上記有機スルホン酸金属塩の好ましい具体例としては、ブチルスルホン酸、ヘキシルスルホン酸、オクチルスルホン酸、デシルスルホン酸、ラウリルスルホン酸、ミリスチルスルホン酸、パルミチルスルホン酸、ステアリルスルホン酸等のナトリウム塩、カリウム塩、リチウム塩、またはトルエンスルホン酸、ドデシルベンゼンスルホン酸のナトリウム塩、カリウム塩、リチウム塩、或いはこれらの混合物等が挙げられる。 Preferred examples of the organic sulfonic acid metal salt include sodium such as butyl sulfonic acid, hexyl sulfonic acid, octyl sulfonic acid, decyl sulfonic acid, lauryl sulfonic acid, myristyl sulfonic acid, palmityl sulfonic acid, and stearyl sulfonic acid. Salt, potassium salt, lithium salt, toluenesulfonic acid, sodium salt of dodecylbenzenesulfonic acid, potassium salt, lithium salt, or a mixture thereof.
かかる有機スルホン酸金属塩は、単一の化合物である必要はなく、各種有機スルホン酸金属塩の混合物であってもよい。しかしながら、これら通常市販されている有機スルホン酸金属塩は、塩化ナトリウム、硫酸ナトリウムなどの無機塩の不純物を含んでいる。これら、不純物は、溶融紡糸の安定性を阻害する。したがって、上記有機スルホン酸金属塩に含有される無機塩は、極力少ない方が望ましく、好ましくは塩化ナトリウムが０．５ｗｔ％以下、さらに好ましくは０．２ｗｔ％以下、硫酸ナトリウムが０．１ｗｔ％以下とすることによって、溶融紡糸の際の背圧上昇や糸切れを抑制することができる。 Such an organic sulfonic acid metal salt is not necessarily a single compound, and may be a mixture of various organic sulfonic acid metal salts. However, these usually commercially available organic sulfonic acid metal salts contain impurities of inorganic salts such as sodium chloride and sodium sulfate. These impurities impede the stability of melt spinning. Accordingly, it is desirable that the inorganic salt contained in the organic sulfonic acid metal salt is as small as possible, preferably sodium chloride is 0.5 wt% or less, more preferably 0.2 wt% or less, and sodium sulfate is 0.1 wt% or less. By doing so, an increase in back pressure and yarn breakage during melt spinning can be suppressed.
また、上記ポリアルキレングリコールは、有機スルホン酸金属塩との混合物として有機スルホン酸金属塩の高い溶融粘度を低下させる目的と制電性能を高める目的で混合される。そのポリアルキレングリコールの平均分子量は５０００〜５００００である必要がある。平均分子量が５０００未満であると十分な制電性能が発現し難くなるばかりか、最終的に得られるポリエステル繊維に染色斑が生じ易くなる。また、平均分子量が５００００を越えるとポリアルキレングリコールは、その溶融粘度が著しく高くなり、有機スルホン酸金属塩との混合物として有機スルホン酸金属塩の高い溶融粘度を低下させる効果がなくなり、該混合物をポリエステルに定量的に溶融添加することが困難になる。 The polyalkylene glycol is mixed as a mixture with the organic sulfonic acid metal salt for the purpose of reducing the high melt viscosity of the organic sulfonic acid metal salt and improving the antistatic performance. The average molecular weight of the polyalkylene glycol needs to be 5,000 to 50,000. When the average molecular weight is less than 5,000, sufficient antistatic performance is hardly exhibited, and dyeing spots are easily generated in the finally obtained polyester fiber. Further, when the average molecular weight exceeds 50,000, the polyalkylene glycol has a remarkably high melt viscosity, and as a mixture with the organic sulfonic acid metal salt, the effect of lowering the high melt viscosity of the organic sulfonic acid metal salt is lost. It becomes difficult to quantitatively melt and add to polyester.
かかる、ポリアルキレングリコールの具体例としては、ポリエチレングリコールやエチレンオキサイドとプロピレンオキサイドの共重合体が挙げられる。また、ポリアルキレングリコールの熱安定性を向上させるために、ヒンダードフェノール系化合物、チオエーテル計化合物などの抗酸化剤をポリアルキレングリコールに対して２〜１０ｗｔ％の範囲で少量混入させてもよい。 Specific examples of the polyalkylene glycol include polyethylene glycol and a copolymer of ethylene oxide and propylene oxide. In order to improve the thermal stability of the polyalkylene glycol, a small amount of an antioxidant such as a hindered phenol compound or a thioether meter compound may be mixed in the range of 2 to 10 wt% with respect to the polyalkylene glycol.
上記ポリエステルには、有機スルホン酸金属塩及び平均分子量５０００〜５００００のポリアルキレングリコールが含有されており、これらの含有量は、本発明の繊維の製造における添加量の相対値としての量であり、有機スルホン酸金属塩は、０．１〜８ｗｔ％、ポリアルキレングリコールは０．１〜８ｗｔ％、また、両者の混合物として０．２〜１０ｗｔ％含有されている。 The polyester contains an organic sulfonic acid metal salt and a polyalkylene glycol having an average molecular weight of 5,000 to 50,000, and these contents are amounts as relative values of the addition amount in the production of the fiber of the present invention. The organic sulfonic acid metal salt is contained in an amount of 0.1 to 8 wt%, the polyalkylene glycol is contained in an amount of 0.1 to 8 wt%, and a mixture of both is contained in an amount of 0.2 to 10 wt%.
上記ポリエステルを製造するに当たっては、エチレンテレフタレートを主たる繰り返し単位とするポリエステルポリマーの合成の段階で、ポリエステルの重縮合反応完結前の低重縮合物或いはポリマーに対して、有機スルホン酸金属塩と平均分子量が５０００〜５００００のポリアルキレングリコールとの混合物、好ましくは有機スルホン酸金属塩：ポリアルキレングリコールの重量比で８０：２０〜２０：８０の混合物を０．２〜１０ｗｔ％反応系へ添加し重縮合反応を完結させることが好ましい。 In the production of the polyester, an organic sulfonic acid metal salt and an average molecular weight are compared with a low polycondensate or polymer before completion of the polycondensation reaction of the polyester at the stage of synthesis of the polyester polymer having ethylene terephthalate as a main repeating unit. Of polyalkylene glycol having a molecular weight of 5,000 to 50,000, preferably 80:20 to 20:80 in a weight ratio of organic sulfonic acid metal salt: polyalkylene glycol to 0.2 to 10 wt% reaction system and polycondensation It is preferred to complete the reaction.
また、本発明においては、吸湿性合成樹脂として、エチレンテレフタレートを主たる繰り返し単位とするポリエステルを製造するに当り、該反応が完了するまでの任意の段階で下記一般式（Ｖ）で表わされる化合物を添加反応せしめることにより得られる共重合ポリエステルを使用しても良い。 In the present invention, as a hygroscopic synthetic resin, a compound represented by the following general formula (V) is used at any stage until the reaction is completed in producing a polyester having ethylene terephthalate as a main repeating unit. A copolyester obtained by addition reaction may be used.
式中、Ｒ５は炭化水素基を示し、アルキル基，シクロアルキル基，アリール基又はアルキルアリール基が好ましい。Ｒ６はアルキレン基であり、炭素数２〜４のアルキレン基が好ましい。具体的にはエチレン基，プロピレン基，テトラメチレン基が例示される。また、２種以上の混合、例えばエチレン基とプロピレン基とをもった共重合体であってもよい。 In the formula, R 5 represents a hydrocarbon group, preferably an alkyl group, a cycloalkyl group, an aryl group or an alkylaryl group. R 6 is an alkylene group, preferably an alkylene group having 2 to 4 carbon atoms. Specific examples include an ethylene group, a propylene group, and a tetramethylene group. Moreover, the copolymer with 2 or more types of mixtures, for example, an ethylene group and a propylene group, may be sufficient.
ｎは重合度を示す正の整数であり、30〜140の範囲である。重合度が30未満では、充分な透湿性や木綿，麻等の天然繊維が有する清涼感，冷涼感が呈されず、本発明の目的が達成されない。また、重合度が140を越えて大きくなると最早共重合が困難になり、充分な透湿性や清涼感，冷涼感が呈されなくなる。なかでも40〜100の範囲において特に優れた透湿性が発現すると共に清涼感，冷涼感が特に顕著に奏されるので好ましい。 n is a positive integer indicating the degree of polymerization and is in the range of 30 to 140. When the degree of polymerization is less than 30, sufficient moisture permeability and the refreshing feeling and cooling feeling of natural fibers such as cotton and hemp are not exhibited, and the object of the present invention is not achieved. Moreover, when the degree of polymerization exceeds 140, copolymerization becomes difficult anymore, and sufficient moisture permeability, coolness, and coolness are no longer exhibited. In particular, it is preferable in the range of 40 to 100 because particularly excellent moisture permeability is exhibited and a refreshing feeling and a cooling feeling are particularly remarkably exhibited.
かかる化合物の好ましい具体例としては、上記式（Ｉ）で示される化合物としてポリオキシエチレングリコールメチルグリシジエーテル，ポリオキシエチレングリコールフェニルグリシジルエーテル，ポリオキシエチレングリコールイソプロピルグリシジルエーテル，ポリオキシエチレングリコールｎ−ブチルグリシジルエーテル，ポリオキシエチレングリコールオクチルフェニルグリシジルエーテル，ポリオキシエチレングリコールノニルフェニルグリシジルエーテル，ポリオキシエチレングリコールセチルグリシジルエーテル，ポリオキシプロピレングリコールメチルグリシジルエーテル，ポリオキシエチレングリコールフェニルグリシジルエーテル，ポリオキシエチレングリコールｎ−ブチルグリシジルエーテル，ポリオキシエチレングリコールオクチルフェニルグリシジルエーテル，ポリオキシエチレングリコールノニルフェニルグリシジルエーテル，ポリオキシテトラメチレングリコールメチルグリシジルエーテル，ポリオキシエチレングリコール／ポリオキシプロピレングリコール共重合体のメチルグリシジルエーテル等をあげることができる。これらのなかでもポリオキシエチレングリコール誘導体が特に好ましい。上記化合物は１種を単独で使用しても、また２種以上を併用してもよい。 Preferable specific examples of such a compound include polyoxyethylene glycol methyl glycidyl ether, polyoxyethylene glycol phenyl glycidyl ether, polyoxyethylene glycol isopropyl glycidyl ether, polyoxyethylene glycol n- Butyl glycidyl ether, polyoxyethylene glycol octylphenyl glycidyl ether, polyoxyethylene glycol nonylphenyl glycidyl ether, polyoxyethylene glycol cetyl glycidyl ether, polyoxypropylene glycol methyl glycidyl ether, polyoxyethylene glycol phenyl glycidyl ether, polyoxyethylene glycol n-Butyl glycidyl ether, polyoxyethylene Recall octylphenyl glycidyl ether, polyoxyethylene glycol nonylphenyl glycidyl ether, polyoxy tetramethylene glycol methyl glycidyl ether, it may be mentioned methyl glycidyl ether of polyoxyethylene glycol / polyoxypropylene glycol copolymer. Of these, polyoxyethylene glycol derivatives are particularly preferred. The said compound may be used individually by 1 type, and may use 2 or more types together.
上記の化合物を前記基体ポリエステルに共重合するには、前述したポリエステルの合成が完了するまでの任意の段階、例えば第１段階の反応開始前、反応中、反応終了後、第２段階の反応中等の任意の段階で添加し、添加後重縮合反応を完結すればよい。この際その使用量は、あまりに少ないと最終的に得られるポリエステル成形物の透湿性や清涼感，冷涼感の性能が不充分になり、逆にあまりに多いと最早著しい透湿性や清涼感，冷涼感性能の向上が見られず、かえって最終的に得られる成形物の強度等の糸物性が悪化すると共に耐熱性や耐光性が悪化するようになるので、共重合ポリエステルに対して０．１〜７０重量％の範囲であるのが好ましく、１〜５０重量％の範囲がより好ましく、なかでも３〜２５重量％の範囲が特に好ましい。 In order to copolymerize the above compound with the base polyester, any stage until the synthesis of the polyester described above is completed, for example, before the start of the first stage reaction, during the reaction, after the completion of the reaction, during the second stage reaction, etc. The polycondensation reaction may be completed after the addition. In this case, if the amount used is too small, the final polyester molded product will have insufficient moisture permeability, coolness, and coolness. Conversely, if it is too much, the moisture permeability, coolness, and coolness will be remarkable. Since the improvement in performance is not seen, the thread properties such as the strength of the finally obtained molded product are deteriorated and the heat resistance and light resistance are deteriorated. It is preferably in the range of wt%, more preferably in the range of 1-50 wt%, and particularly preferably in the range of 3-25 wt%.
上記ポリエステルポリマーは、次いで常法により繊維化され、フィルム、及び／又は不織布とされることが必要である。ここで、フィルム、及び／又は不織布としては、従来公知の任意の方法で製造されたものが挙げられるが、不織布の場合は、メルトブロー法により得られた不織布が好ましく例示される。 Next, the polyester polymer needs to be made into a fiber and / or a nonwoven fabric by a conventional method. Here, as a film and / or a nonwoven fabric, what was manufactured by the conventionally well-known arbitrary methods is mentioned, In the case of a nonwoven fabric, the nonwoven fabric obtained by the melt blow method is illustrated preferably.
メルトブロー法は、溶融ポリマーを通常、Ｔ−ダイのような口金の幅方向に多数並設した紡糸孔から吐出すると同時に、口金の両側面に隣接して設けられたスリットから高温高速の気体流を噴射して吐出されたポリマーを細化することによって形成される極細繊維群を、移動している空気透過性の補集面上に堆積してシート状物を得る方法である。
この方法では細径の繊維を容易に得ることが出来るうえ、溶融ポリマーを直接的にシート化することが可能なため、吸湿性ポリエステル繊維の不織布を最も好適に得ることができる。
In the melt-blowing method, a molten polymer is usually discharged from a plurality of spinning holes arranged side by side in the width direction of the die such as a T-die, and at the same time, a high-temperature and high-speed gas flow is generated from slits provided adjacent to both sides of the die. This is a method for obtaining a sheet-like material by depositing ultrafine fibers formed by thinning a polymer discharged by jetting on a moving air-permeable collecting surface.
In this method, fine fibers can be easily obtained, and the molten polymer can be directly formed into a sheet, so that a nonwoven fabric of hygroscopic polyester fibers can be most suitably obtained.
さらに製糸条件について詳述すると、ポリマーの溶融粘度としては、１００ポイズ以上３０００ポイズ以下が好ましく、より好ましくは５００ポイズ以上２０００ポイズ以下である。溶融粘度が低すぎると、糸切れしやすく同時にポリマー玉も発生しやすくなり、また繊維径の均一性も悪くなる。一方溶融粘度が高すぎると繊維径を細くすることが困難となる。 Further, the spinning conditions will be described in detail. The polymer melt viscosity is preferably 100 poise or more and 3000 poise or less, and more preferably 500 poise or more and 2000 poise or less. If the melt viscosity is too low, yarn breakage tends to occur, and polymer balls tend to be generated at the same time, and the uniformity of the fiber diameter also deteriorates. On the other hand, if the melt viscosity is too high, it is difficult to reduce the fiber diameter.
ポリマーの紡糸温度は、ポリマーの融点＋［１０℃以上１００℃以下］が好ましく、ポリマーが熱分解しない範囲および工程調子が安定な範囲でできるだけ高い温度で粘度を下げることが好ましい。温度が高すぎると溶融粘度が高くなって好ましくなく、高すぎると熱分解しやすくなるため長時間の操業安定性が低下する。 The spinning temperature of the polymer is preferably the melting point of the polymer + [10 ° C. or higher and 100 ° C. or lower], and it is preferable to lower the viscosity at a temperature as high as possible within the range where the polymer is not thermally decomposed and the process condition is stable. If the temperature is too high, the melt viscosity becomes high, which is not preferable. If the temperature is too high, thermal decomposition tends to occur, and long-term operation stability decreases.
吐出されたポリマーを牽引細化する高温高圧気体は空気または水蒸気が好適である。牽引気体の温度が、ポリマーの紡糸温度とあまり離れていると吐出ポリマーの温度に影響を及ぼすため、［ポリマーの紡糸（溶融）温度−１０℃］以上で［ポリマーの融点＋１００℃］以下、より好ましくは［ポリマーの紡糸温度＋（１０〜５０℃）］である。また、気体流量は目的とする繊維径や吐出量、接着状態によって適宜決定すればよい。このとき、気体流の噴出スリット幅にもよるが、好ましい流量は口金幅１ｃｍ当たり０．０１〜０．２Ｎｍ3／分である。該流量が０．０１Ｎｍ3／分より小さいと細化が十分進まず、得られる不織布の斑も大きくなり、一方、該流量が０．２Ｎｍ3／分を越えるとスリットの幅および吐出量によっては繊維切れが過大に起こり好ましくない。 The high-temperature and high-pressure gas that pulls and thins the discharged polymer is preferably air or water vapor. If the temperature of the traction gas is too far from the spinning temperature of the polymer, the temperature of the discharged polymer will be affected. Therefore, the [polymer spinning (melting) temperature −10 ° C.] or higher and the [polymer melting point + 100 ° C.] or lower [Spinning temperature of polymer + (10 to 50 ° C.)] is preferable. Moreover, what is necessary is just to determine a gas flow rate suitably with the target fiber diameter, discharge amount, and an adhesion state. At this time, although depending on the ejection slit width of the gas flow, a preferable flow rate is 0.01 to 0.2 Nm 3 / min per 1 cm of the base width. If the flow rate is less than 0.01 Nm 3 / min, the thinning does not proceed sufficiently, and the resulting non-woven fabric spots also increase. On the other hand, if the flow rate exceeds 0.2 Nm 3 / min, depending on the slit width and discharge amount, The fiber breakage is excessive and undesirable.
紡糸孔から吐出され、高温高圧気体により牽引細化された繊維群は、サクションを有するネットなどの補集面上に堆積され、シート状物すなわち不織布として得られる。この場合、口金下面〜補集面間の距離は繊維が固化する位置より下方にすることによって繊維同士が必要以上に接着せず、不織布風合いが粗硬にならないという点で好ましい。ただ補集面があまり下方に位置すると、噴出気体流や随伴流により繊維流が乱されることとなり、繊維同士が束状に絡まって不織布斑の原因となる。口金下面と補集面との好ましい距離は１０〜８０ｃｍが適当である。 The fiber group discharged from the spinning hole and drawn and refined by the high-temperature and high-pressure gas is deposited on a collecting surface such as a net having suction, and is obtained as a sheet-like material, that is, a nonwoven fabric. In this case, the distance between the lower surface of the base and the collecting surface is preferably lower than the position where the fibers are solidified, so that the fibers do not adhere more than necessary and the nonwoven fabric texture does not become hard. However, if the collecting surface is located too low, the fiber flow is disturbed by the jet gas flow or the accompanying flow, and the fibers are entangled in a bundle to cause a non-woven fabric spot. A preferable distance between the lower surface of the base and the collecting surface is 10 to 80 cm.
上記不織布は、繊維同士が互いに少なくとも１ケ所で融着し、かつ該弾性不織布の厚みが０．０２〜１ｍｍであることが好ましい。該厚みが０．０２ｍｍよりも薄いと、血液や膿などの滲出液を充分吸収することが困難となる場合がある。一方、該厚みが１ｍｍよりも厚いと、伸長時の強度が大きくなり皮膚へ貼り付けたときの違和感が増したり、装着中にも貼付材の端が引っ掛かるなどして剥がれやすくなる。好ましい厚みの範囲は０．０５〜０．５ｍｍである。 The non-woven fabric preferably has fibers fused to each other at at least one location, and the elastic non-woven fabric has a thickness of 0.02 to 1 mm. If the thickness is less than 0.02 mm, it may be difficult to sufficiently absorb exudate such as blood and pus. On the other hand, when the thickness is greater than 1 mm, the strength at the time of extension increases, and the uncomfortable feeling when applied to the skin increases, or the end of the adhesive material is easily caught during wearing, so that it is easily peeled off. A preferable thickness range is 0.05 to 0.5 mm.
さらに、本発明においては、吸湿性合成樹脂繊維として、アクリル系繊維にヒドラジン処理により架橋結合を導入して窒素含有量の増加を１．０〜８．０重量％の範囲内に調整した後、加水分解反応により残存しているニトリル基量の１．０〜４．５ｍ・ｍｏｌ／ｇにカルボキシル基を、残部にアミド基を導入し、次いで該カルボキシル基を１価の金属塩又は有機陽イオンの塩型に変換させてなる繊維を使用しても良い。 Furthermore, in the present invention, as a hygroscopic synthetic resin fiber, an acrylic fiber is introduced with a crosslink by hydrazine treatment to adjust the increase in nitrogen content within the range of 1.0 to 8.0% by weight, A carboxyl group is introduced into 1.0 to 4.5 m · mol / g of the nitrile group remaining by the hydrolysis reaction, an amide group is introduced into the remainder, and then the carboxyl group is converted to a monovalent metal salt or organic cation. You may use the fiber formed by converting into the salt type.
上記架橋アクリル系繊維は、その出発アクリル繊維がアクリロニトリル（以下、ＡＮという）を４０重量％以上、好ましくは５０重量％以上含有するＡＮ系重合体により形成された繊維である。ＡＮ系重合体は、ＡＮ単独重合体、ＡＮと他のモノマ−との共重合体のいずれでも良く、他のモノマ−としては、ハロゲン化ビニル及びハロゲン化ビニリデン；（メタ）アクリル酸エステル；メタリルスルホン酸、ｐ−スチレンスルホン酸等のスルホン酸含有モノマー及びその塩；（メタ）アクリル酸、イタコン酸等のカルボン酸含有モノマ−及びその塩；アクリルアミド、スチレン、酢酸ビニル等のその他のモノマ−が挙げられる。 The crosslinked acrylic fiber is a fiber formed from an AN polymer in which the starting acrylic fiber contains acrylonitrile (hereinafter referred to as AN) in an amount of 40% by weight or more, preferably 50% by weight or more. The AN polymer may be either an AN homopolymer or a copolymer of AN and another monomer. Examples of the other monomer include vinyl halide and vinylidene halide; (meth) acrylic acid ester; Sulfonic acid-containing monomers such as rylsulfonic acid and p-styrenesulfonic acid and salts thereof; Monomers containing carboxylic acids such as (meth) acrylic acid and itaconic acid and salts thereof; Other monomers such as acrylamide, styrene and vinyl acetate Is mentioned.
該アクリル系繊維に、ヒドラジン架橋を導入する方法としては、窒素含有量の増加が１．０〜８．０重量％に調整しうる手段である限り採用出来るが、濃度６〜８０％，温度５０〜１２０℃で１〜５時間処理する手段が工業的に好ましい。ここで、窒素含有量の増加とは原料アクリル繊維の窒素含有量とヒドラジン架橋アクリル繊維の窒素含有量との差をいう。 As a method of introducing hydrazine crosslinking into the acrylic fiber, it can be adopted as long as the increase in nitrogen content can be adjusted to 1.0 to 8.0% by weight, but the concentration is 6 to 80% and the temperature is 50. A means for treating at ˜120 ° C. for 1 to 5 hours is industrially preferred. Here, the increase in the nitrogen content refers to the difference between the nitrogen content of the raw acrylic fiber and the nitrogen content of the hydrazine crosslinked acrylic fiber.
なお、窒素含有量の増加が上記下限に満たない場合には、最終的に実用上満足し得る物性の繊維が得られず、また、難燃性、抗菌性が得られない場合がある。上限を超えると、最終的に高吸湿性が得られない。ここに使用するヒドラジンとしては、水加ヒドラジン、硫酸ヒドラジン、塩酸ヒドラジン、硝酸ヒドラジン、臭素酸ヒドラジン等が例示される。 When the increase in nitrogen content is less than the above lower limit, fibers having physical properties that are finally satisfactory in practice may not be obtained, and flame retardancy and antibacterial properties may not be obtained. If the upper limit is exceeded, high hygroscopicity cannot be obtained finally. Examples of the hydrazine used here include hydrazine hydrate, hydrazine sulfate, hydrazine hydrochloride, hydrazine nitrate, and hydrazine bromate.
また、加水分解反応により、ヒドラジン架橋されずに残存しているニトリル基を実質的に消失させ、１．０〜４．５ｍｍｏｌ／ｇの1価の金属塩又は有機陽イオンの塩型のカルボキシル基と残部にアミド基を導入する方法としては、アルカリ金属水酸化物、アンモニア等の塩基性水溶液、或いは硝酸、硫酸、塩酸等の水溶液を含浸、または該水溶液中に原料繊維を浸漬した状態で加熱処理する手段が挙げられる。ここで、酸で加水分解した場合にはカルボキシル基を1価の金属塩又は有機陽イオンの塩型に変換する必要がある。 Further, the nitrile group remaining without being crosslinked by hydrazine is substantially eliminated by hydrolysis reaction, and 1.0 to 4.5 mmol / g monovalent metal salt or salt form carboxyl group of organic cation As a method for introducing an amide group into the remainder, heating is performed in a state where a basic aqueous solution such as alkali metal hydroxide or ammonia, or an aqueous solution such as nitric acid, sulfuric acid or hydrochloric acid is impregnated, or raw fibers are immersed in the aqueous solution. Means for processing are mentioned. Here, when hydrolyzed with an acid, it is necessary to convert the carboxyl group into a monovalent metal salt or a salt form of an organic cation.
カルボキシル基を1価の金属塩又は有機陽イオンの塩型にする方法としては、上述した加水分解繊維を下記に例示する各種の塩型の水酸化物又は塩の水溶液に浸漬し、しかる後、水洗、乾燥する方法が好適に用いられる。本発明におけるカルボキシル基の塩型としては、Ｌｉ，Ｎａ，Ｋ等のアルカリ金属、ＮＨ4，アミン等の有機の陽イオンである。 As a method for making a carboxyl group into a salt form of a monovalent metal salt or an organic cation, the above-mentioned hydrolyzed fiber is immersed in various salt-type hydroxides or aqueous solutions of salts exemplified below, and then, A method of washing and drying is preferably used. Examples of the salt type of the carboxyl group in the present invention include alkali metals such as Li, Na, and K, and organic cations such as NH 4 and amine.
なお、塩型カルボキシル基が上記下限に満たない場合には高吸放湿性が得られず、また上限を超えると、実用上満足し得る繊維物性が得られない場合がある。塩型は２種以上を混合しても良いことは勿論である。 In addition, when the salt-type carboxyl group is less than the above lower limit, high moisture absorption / release properties cannot be obtained, and when the upper limit is exceeded, fiber properties that are practically satisfactory may not be obtained. Of course, two or more salt forms may be mixed.
このようにして引張強度が１ｇ／ｄ以上、好ましくは１．５ｇ／ｄ以上で、吸放湿速度が速く、高吸放湿性の難燃性・抗菌性を兼備する繊維を提供することが出来る。特に高い引張強度を求める場合は、後述するように出発アクリル繊維として、二色性比の高い繊維を選ぶのが良い。 Thus, a fiber having a tensile strength of 1 g / d or more, preferably 1.5 g / d or more, a high moisture absorption / release rate, and a high moisture absorption / release flame retardancy and antibacterial property can be provided. . In particular, when a high tensile strength is required, it is preferable to select a fiber having a high dichroic ratio as the starting acrylic fiber as described later.
なお、アクリル系繊維を、ポンプ循環系を備えた容器内に充填し、上記架橋結合の導入、加水分解反応、及び塩の形成の各反応を遂次行なう手段が、装置上、安全性、均一反応性等の諸点から望ましい。かかる装置（ポンプ循環系を備えた容器）の代表例としては、オ−バ−マイヤ−染色機が挙げられる。 The acrylic fiber is filled in a container equipped with a pump circulation system, and the means for successively performing the above-mentioned cross-linking introduction, hydrolysis reaction, and salt formation reaction is safe, uniform on the apparatus. Desirable from various points such as reactivity. A typical example of such a device (a container equipped with a pump circulation system) is an over-myer dyeing machine.
また、実用上問題のない繊維物性と高度の吸放湿性を兼ね備えた繊維を提供するためには、特に下記特性を備えた出発アクリル系繊維を採用することが望ましい。
即ち、繊維を形成するＡＮ系重合体分子が十分に配向しておりコンゴ−レッド（以下ＣＲという）二色性比が０．４以上、更に好ましくは０．５以上のアクリル系繊維を採択することが望ましい。なお、ＣＲ二色性比は、高分子化学２３（２５２）１９３（１９６６）記載の方法に従って求められるものである。
Further, in order to provide a fiber having both fiber properties that have no practical problem and high moisture absorption / release properties, it is particularly desirable to employ a starting acrylic fiber having the following characteristics.
That is, an acrylic fiber in which the AN polymer molecules forming the fiber are sufficiently oriented and the Congo-Red (hereinafter referred to as CR) dichroic ratio is 0.4 or more, more preferably 0.5 or more is adopted. It is desirable. The CR dichroism ratio is obtained according to the method described in Polymer Chemistry 23 (252) 193 (1966).
なお、かかるアクリル系繊維の製造手段に限定はなく、上記ＣＲ二色性比が満たされる限り、適宜公知の手段を用いることができるが、中でも全延伸倍率を６倍以上、好ましくは８倍以上とし、かつ工程収縮率を３０％以下、好ましくは２０％以下とする手段の採用により工業的有利に所望のアクリル系繊維を製造することが出来る。 In addition, there is no limitation in the manufacturing means of this acrylic fiber, and as long as the said CR dichroism ratio is satisfy | filled, a well-known means can be used suitably, Especially, the total draw ratio is 6 times or more, Preferably it is 8 times or more. In addition, a desired acrylic fiber can be produced industrially advantageously by adopting a means for reducing the process shrinkage rate to 30% or less, preferably 20% or less.
更に、出発アクリル系繊維として、延伸後熱処理前の繊維（ＡＮ系重合体の紡糸原液を常法に従って紡糸し、延伸配向され、乾燥緻密化、湿熱緩和処理等の熱処理の施されていない繊維、中でも湿式又は乾／湿式紡糸、延伸後の水膨潤ゲル状繊維：水膨潤度３０〜１５０％）を使用することにより、反応液中への繊維の分散性、繊維中への反応液の浸透性などが改善され、以て架橋結合の導入や加水分解反応が均一かつ速やかに行なわれるので望ましい。言うまでもないが、水膨潤度とは乾燥繊維重量規準で表した含有又は付着水分量の百分率である。 Furthermore, as a starting acrylic fiber, fiber after stretching and before heat treatment (fibers spun in an AN polymer spinning solution in accordance with a conventional method, stretched and oriented, dried densified, not subjected to heat treatment such as wet heat relaxation treatment, Above all, by using wet or dry / wet spinning, stretched water-swelling gel fiber: water swelling degree of 30 to 150%, the dispersibility of the fiber in the reaction liquid and the permeability of the reaction liquid into the fiber This is desirable because the introduction of a cross-linking bond and the hydrolysis reaction are performed uniformly and rapidly. Needless to say, the degree of water swelling is the percentage of the contained or attached water content expressed by the dry fiber weight standard.
上記のアクリル系繊維は、次いで常法により不織布とされることが必要である。ここで、不織布としては、従来公知の任意の方法で製造されたものが挙げられるが、中でも、スパンボンド法やエレクトロスピニング法などにより得られた不織布が好ましく例示される。 Next, the acrylic fiber needs to be made into a non-woven fabric by a conventional method. Here, as a nonwoven fabric, what was manufactured by the conventionally well-known arbitrary methods is mentioned, Among these, the nonwoven fabric obtained by the spun bond method, the electrospinning method, etc. is illustrated preferably.
かくして得られた合成樹脂製繊維不織布は、下記式により表される吸放湿係数ＭＲが１０以上であることが必要である。
不織布の吸放湿係数ＭＲが１０以上であれば、放湿及び／又は放水時の最大温度降下が１℃以上となるので、該不織布を熱傷や火傷の創傷被覆材として使用した場合、創傷部に籠もった熱を吸収することが可能となり、患者の苦痛を和らげることができる。また、該不織布を湿布材などの貼付材用基材として使用した場合は、患部を冷湿布することも可能となる。 If the moisture absorption / release coefficient MR of the nonwoven fabric is 10 or more, the maximum temperature drop during moisture release and / or water discharge is 1 ° C. or more. Therefore, when the nonwoven fabric is used as a wound covering material for burns or burns, It is possible to absorb the heat that is stored in the patient's body, and the pain of the patient can be relieved. In addition, when the nonwoven fabric is used as a base material for a patch such as a poultice material, the affected area can be cold-moistened.
以下、実施例を挙げて本発明の構成および効果をさらに詳細に説明する。なお、実施例における物性は下記の方法で測定したものである。 Hereinafter, an example is given and the composition and effect of the present invention are explained in detail. In addition, the physical property in an Example is measured with the following method.
（１）吸放湿係数ＭＲ
不織布を９５％ＲＨ雰囲気下、３５℃で３６０分放置した後の吸湿率Ｍ１（％）を測定した後、該試料を６５％ＲＨ雰囲気下、２０℃で９０分放置した後の吸湿率Ｍ２（％）を測定し、下記式により吸放湿係数ＭＲを算出する。
After measuring the moisture absorption rate M1 (%) after leaving the nonwoven fabric in a 95% RH atmosphere at 35 ° C. for 360 minutes, the moisture absorption rate M2 after leaving the sample in a 65% RH atmosphere at 20 ° C. for 90 minutes ( %) And the moisture absorption / release coefficient MR is calculated by the following equation.
（２）不織布の最大温度降下
不織布を９５％ＲＨ雰囲気下、３５℃で３６０分放置した後、３５℃、６５％ＲＨに調整された雰囲気中で、サーモグラフィーを用いて編地表面の温度を連続して測定し、最低となる温度を計測して、３５℃との差異を最大温度降下とした。
(2) Maximum temperature drop of nonwoven fabric After the nonwoven fabric is allowed to stand at 35 ° C. for 360 minutes in a 95% RH atmosphere, the temperature of the knitted fabric surface is continuously increased using thermography in an atmosphere adjusted to 35 ° C. and 65% RH. The minimum temperature was measured, and the difference from 35 ° C. was defined as the maximum temperature drop.
［実施例１］
（ａ）ポリマーの製造
テレフタル酸ジメチル９０重量部、テトラメチレングリコール６８重量部、エチレングリコ−ル２０重量部、５−ナトリウムスルホイソフタル酸１６重量部（成分（Ａ））及びポリエチレングリコール（分子量：４０００）１２０重量部（成分（Ｂ））を、エステル交換反応触媒として酢酸マンガン４水和塩を用い、副生するメタノールを系外に留去しつつ、エステル交換反応を実施した。
[Example 1]
(A) Production of polymer 90 parts by weight of dimethyl terephthalate, 68 parts by weight of tetramethylene glycol, 20 parts by weight of ethylene glycol, 16 parts by weight of 5-sodium sulfoisophthalic acid (component (A)) and polyethylene glycol (molecular weight: 4000) ) Using 120 parts by weight (component (B)) of manganese acetate tetrahydrate as a transesterification reaction catalyst, transesterification was carried out while distilling off by-produced methanol out of the system.
さらに、重合触媒として二酸化ゲルマニウムを添加したのちに、２８５℃まで加熱昇温しながらエステル交換反応させ、メタノールの留去がほぼ終了した段階で、安定剤として正リン酸、結晶化促進剤として安息香酸ナトリウム１重量％（成分（Ｃ））を添加して、エステル交換反応を終了させた。 Furthermore, after adding germanium dioxide as a polymerization catalyst, a transesterification reaction was carried out while heating to 285 ° C., and when methanol was almost completely distilled off, orthophosphoric acid as a stabilizer and benzoic acid as a crystallization accelerator. 1% by weight of sodium acid (component (C)) was added to complete the transesterification reaction.
次いで、反応生成物を高温高真空下で重縮合反応させて、固有粘度０．８２、Ｃｏｌ−ｂ値４．５、末端カルボキシル基濃度４５ｅｑ／ｔｏｎ、溶融粘度１８０Ｐａ・Ｓのポリエステルポリマーを得た。 Subsequently, the reaction product was subjected to a polycondensation reaction under high temperature and high vacuum to obtain a polyester polymer having an intrinsic viscosity of 0.82, a Col-b value of 4.5, a terminal carboxyl group concentration of 45 eq / ton, and a melt viscosity of 180 Pa · S. .
（ｂ）不織布の製造
上記ポリエステルポリマーを、１ｍｍＨｇの減圧下１１５℃で１６時間乾燥し、メルトブロー法により２６０℃で溶融させてから、丸断面で吐出孔が口金幅方向に１ｍｍ間隔で単列で設置された口金を用い、吐出してから引き続き２８０℃に加熱された圧空を、口金幅１ｃｍ当たりの流量を０．０６Ｎｍ3／分として吐出ポリエステルを延伸細化後、口金より２５ｃｍ下方に設けられた補集ネット上に補集した。
(B) Production of non-woven fabric The polyester polymer was dried at 115 ° C. under a reduced pressure of 1 mmHg for 16 hours, and melted at 260 ° C. by a melt blow method. Using the installed base, the compressed air that was heated to 280 ° C after being discharged was stretched and thinned by setting the flow rate per 1 cm width of the base to 0.06 Nm 3 / min. Collected on the collection net.
得られた不織布を構成するポリエステル繊維を９５％ＲＨ雰囲気下、３５℃で３６０分放置した後の吸湿率は１４％であった。また、得られた不織布の吸放湿係数ＭＲは１５、最大温度降下は３℃であった。 The moisture absorption after the polyester fibers constituting the obtained nonwoven fabric were allowed to stand at 35 ° C. for 360 minutes in a 95% RH atmosphere was 14%. Moreover, the moisture absorption / release coefficient MR of the obtained nonwoven fabric was 15, and the maximum temperature drop was 3 degreeC.
［実施例２］
（ａ）ポリマーの製造
テレフタル酸１００部、エチレングリコール５２部をエステル化槽に仕込み、４ｋｇ／ｃｍ2 の加圧下、２６０℃にてエステル化反応を行った。引き続き、得られた反応生成物に、トリメチルホスフェイト、三酸化アンチモン、二酸化チタンを、各々生成ポリマーに対して実質上０．０１％，０．０４％，０．５％となるようにエチレングリコール分散液として加え、重合槽に移した。そして、高真空下２８５℃にて７０分重縮合反応を行ない、この時点で、平均炭素数１５のアルキルスルホン酸ナトリウム（不純物として、塩化ナトリウムを０．０２％、硫酸ナトリウムを０．０５％含有）５０部と平均分子量２０，０００のポリエチレングリコール５０部の混合物（混合添加物：Ａ）を、生成ポリマーに対して４％となるように反応系中に加え、引き続き所定時間重縮合反応を行ない、極限粘度０．７４のポリエステルポリマーを得た。本実施例においては、混合添加物Ａを１７０℃で溶融して添加した。
[Example 2]
(A) Production of polymer 100 parts of terephthalic acid and 52 parts of ethylene glycol were charged into an esterification tank, and an esterification reaction was performed at 260 ° C. under a pressure of 4 kg / cm 2 . Subsequently, trimethyl phosphate, antimony trioxide, and titanium dioxide were added to the obtained reaction product in an amount of 0.01%, 0.04%, and 0.5%, respectively, with respect to the resulting polymer. It added as a dispersion liquid and moved to the polymerization tank. Then, polycondensation reaction was performed at 285 ° C. under high vacuum for 70 minutes. At this point, sodium alkylsulfonate having an average carbon number of 15 (containing 0.02% sodium chloride and 0.05% sodium sulfate as impurities) ) A mixture of 50 parts and 50 parts of polyethylene glycol having an average molecular weight of 20,000 (mixed additive: A) is added to the reaction system so as to be 4% with respect to the produced polymer, and then a polycondensation reaction is carried out for a predetermined time. A polyester polymer having an intrinsic viscosity of 0.74 was obtained. In this example, the mixed additive A was melted at 170 ° C. and added.
（ｂ）不織布の製造
実施例１と同様の方法により不織布を得た。得られた不織布を構成するポリエステル繊維を９５％ＲＨ雰囲気下、３５℃で３６０分放置した後の吸湿率は１３％であった。また、得られた不織布の吸放湿係数ＭＲは１４、最大温度降下は３℃であった。
(B) Production of non-woven fabric A non-woven fabric was obtained in the same manner as in Example 1. The moisture absorption after the polyester fiber constituting the obtained nonwoven fabric was allowed to stand at 35 ° C. for 360 minutes in a 95% RH atmosphere was 13%. Moreover, the moisture absorption / release coefficient MR of the obtained nonwoven fabric was 14, and the maximum temperature drop was 3 degreeC.
［実施例３］
（ａ）ポリマーの製造
テレフタル酸ジメチル１００部，エチレングリコール６０部，酢酸カルシウム１水塩０．０６部（テレフタル酸ジメチルに対して０．０６６モル％）及び整色剤として酢酸コバルト４水塩０．００９部（テレフタル酸ジメチルに対して０．００７モル％）をエステル交換缶に仕込み、窒素ガス雰囲気下４時間かけて１４０℃から２２０℃まで昇温して生成するメタノールを系外に留去しながらエステル交換反応を行った。
[Example 3]
(A) Production of polymer 100 parts of dimethyl terephthalate, 60 parts of ethylene glycol, 0.06 part of calcium acetate monohydrate (0.066 mol% with respect to dimethyl terephthalate) and cobalt acetate tetrahydrate 0 as a color adjusting agent .009 parts (0.007 mol% with respect to dimethyl terephthalate) was charged into a transesterification vessel, and the methanol produced by raising the temperature from 140 ° C to 220 ° C over 4 hours in a nitrogen gas atmosphere was distilled out of the system. The transesterification reaction was carried out.
エステル交換反応終了後、安定剤としてリン酸トリメチル０．０５８部（テレフタル酸ジメチルに対して０．０８０モル％）を加えた。次いで１０分後に三酸化アンチモン０．０４部（テレフタル酸ジメチルに対して０．０２７モル％）を添加し、同時に過剰のエチレングリコールを追出しながら２４０℃まで昇温した後重合缶に移した。 After completion of the transesterification reaction, 0.058 parts of trimethyl phosphate (0.080 mol% with respect to dimethyl terephthalate) was added as a stabilizer. Then, 10 minutes later, 0.04 part of antimony trioxide (0.027 mol% with respect to dimethyl terephthalate) was added, and the temperature was raised to 240 ° C. while expelling excess ethylene glycol.
重合缶に平均の分子量が２０００（ｎ＝４２．５）のポリオキシエチレングリコールｎ−ブチルグリシジルエーテルを４重量部添加した後、１時間かけて７６０mmHgから１mmHgまで減圧し、同時に１時間３０分かけて２４０℃から２８０℃まで昇温した。１mmHg以下の減圧下、重合温度２８０℃で更に２時間重合した時点で酸化防止剤としてイルガノックス1010（チバガイギー社製）０．８部を真空添加し、その後更に３０分間重合した。 After 4 parts by weight of polyoxyethylene glycol n-butylglycidyl ether having an average molecular weight of 2000 (n = 42.5) was added to the polymerization can, the pressure was reduced from 760 mmHg to 1 mmHg over 1 hour, and simultaneously over 1 hour 30 minutes. The temperature was raised from 240 ° C to 280 ° C. When the polymerization was further carried out at a polymerization temperature of 280 ° C. for 2 hours under a reduced pressure of 1 mmHg or less, 0.8 part of Irganox 1010 (manufactured by Ciba Geigy) was added in vacuo, and the polymerization was carried out for another 30 minutes.
（ｂ）不織布の製造
実施例１と同様の方法により不織布を得た。得られた不織布を構成するポリエステル繊維を９５％ＲＨ雰囲気下、３５℃で３６０分放置した後の吸湿率は４１％であった。また、得られた不織布の吸放湿係数ＭＲは１２、最大温度降下は２℃であった。
(B) Production of non-woven fabric A non-woven fabric was obtained in the same manner as in Example 1. The moisture absorption after the polyester fiber constituting the obtained nonwoven fabric was allowed to stand at 35 ° C. for 360 minutes in a 95% RH atmosphere was 41%. Moreover, the moisture absorption / release coefficient MR of the obtained nonwoven fabric was 12, and the maximum temperature drop was 2 degreeC.
［実施例４］
（ａ）ポリマー及び不織布の製造
アクリルニトリル９０％及びアクリル酸メチル（以下、ＭＡという）１０％からなるアクリロニトリル系重合体（３０℃ジメチルホルムアミド中での極限粘度〔η〕：１．２）１０部を４８％のロダンソ−ダ水溶液９０部に溶解した紡糸原液を用い、エレクトロスピニング法により２０KVの電圧を印加して吐出積層し、不織布を得た。
[Example 4]
(A) Production of polymer and nonwoven fabric 10 parts of acrylonitrile polymer (intrinsic viscosity [η]: 1.2 in 30 ° C. dimethylformamide) consisting of 90% acrylonitrile and 10% methyl acrylate (hereinafter referred to as MA) Was spun and laminated by applying a voltage of 20 KV by an electrospinning method using a spinning stock solution in which 90 parts of a 48% rhodium soda solution was dissolved.
該不織布を、乾球／湿球＝１２０℃／６０℃の雰囲気下で乾燥（工程収縮率１４％）した後、濃度６．４％のヒドラジンを用いて１０２℃で６時間処理し、さらに濃度５％のＮａＯＨ水溶液で、９０℃で２時間処理した後脱水し、水洗、乾燥を行って吸湿アクリル繊維製不織布を得た。 The nonwoven fabric was dried in an atmosphere of dry bulb / wet bulb = 120 ° C./60° C. (process shrinkage 14%), then treated with hydrazine having a concentration of 6.4% at 102 ° C. for 6 hours, and further the concentration After treating with a 5% NaOH aqueous solution at 90 ° C. for 2 hours, it was dehydrated, washed with water and dried to obtain a nonwoven fabric made of moisture-absorbing acrylic fibers.
得られた不織布を構成するポリエステル繊維を９５％ＲＨ雰囲気下、３５℃で３６０分放置した後の吸湿率は１１％であった。また、得られた不織布の吸放湿係数ＭＲは１６、最大温度降下は４℃であった。 The moisture absorption after the polyester fibers constituting the obtained nonwoven fabric were allowed to stand at 35 ° C. for 360 minutes in a 95% RH atmosphere was 11%. Moreover, the moisture absorption / release coefficient MR of the obtained nonwoven fabric was 16, and the maximum temperature drop was 4 degreeC.
［比較例１］
実施例１において、ポリエチレングリコールを添加しなかったこと以外は実施例１と同様に実施し、不織布を得た。
得られた不織布を構成するポリエステル繊維を９５％ＲＨ雰囲気下、３５℃で３６０分放置した後の吸湿率は２％であった。また、得られた不織布の吸放湿係数ＭＲは１、最大温度降下は０．１℃であった。
[Comparative Example 1]
In Example 1, except having not added polyethyleneglycol, it implemented like Example 1 and obtained the nonwoven fabric.
The moisture absorption after the polyester fibers constituting the obtained nonwoven fabric were allowed to stand at 35 ° C. for 360 minutes in a 95% RH atmosphere was 2%. Moreover, the moisture absorption / release coefficient MR of the obtained nonwoven fabric was 1, and the maximum temperature drop was 0.1 degreeC.
［比較例２］
市販の脱脂綿を用い、実施例１と同様の測定を実施したところ、その吸放湿係数ＭＲは６、最大温度降下は０．８℃であった。
[Comparative Example 2]
When the same measurement as in Example 1 was performed using commercially available absorbent cotton, the moisture absorption / release coefficient MR was 6, and the maximum temperature drop was 0.8 ° C.
本発明によれば、吸湿、吸水性に優れ、一旦吸収した水等の液体の保持性に優れる上、吸収した水等の放湿、放水速度が可及的に向上された、不織布からなる医療衛生用資材が提供されるので、創傷被覆材、包帯、絆創膏、貼付材用基材などの用途に好適に使用できる。 According to the present invention, it is excellent in moisture absorption and water absorption, has excellent retention of liquid such as water once absorbed, and is made of a non-woven fabric with improved moisture release and water discharge speed as much as possible. Since the sanitary material is provided, it can be suitably used for applications such as wound dressings, bandages, adhesive plasters, and base materials for patch materials.
Claims (7)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012026030A1 (en) * | 2010-08-26 | 2012-03-01 | 株式会社重松製作所 | Clothing for protection against chemicals |
| JP2020139243A (en) * | 2019-02-28 | 2020-09-03 | 東レ株式会社 | Melt-blown nonwoven fabric |
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| JPH05132858A (en) * | 1991-11-11 | 1993-05-28 | Toyobo Co Ltd | Highly moisture absorbing and releasing fiber and its production |
| JPH07150468A (en) * | 1993-11-29 | 1995-06-13 | Mitsubishi Rayon Co Ltd | Polyester fiber and its production |
| JP2002363822A (en) * | 2001-06-05 | 2002-12-18 | Du Pont Toray Co Ltd | Hygroscopic polyurethane elastic fiber and method for producing the same |
| JP2003253100A (en) * | 2002-03-05 | 2003-09-10 | Teijin Ltd | Polyester composition and fiber made therefrom |
| JP2004218111A (en) * | 2003-01-10 | 2004-08-05 | Toyobo Co Ltd | Moisture absorbing and releasing fiber |
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| JPH0539349A (en) * | 1991-05-31 | 1993-02-19 | Kuraray Co Ltd | Production of copolyester |
| JPH05132858A (en) * | 1991-11-11 | 1993-05-28 | Toyobo Co Ltd | Highly moisture absorbing and releasing fiber and its production |
| JPH07150468A (en) * | 1993-11-29 | 1995-06-13 | Mitsubishi Rayon Co Ltd | Polyester fiber and its production |
| JP2002363822A (en) * | 2001-06-05 | 2002-12-18 | Du Pont Toray Co Ltd | Hygroscopic polyurethane elastic fiber and method for producing the same |
| JP2003253100A (en) * | 2002-03-05 | 2003-09-10 | Teijin Ltd | Polyester composition and fiber made therefrom |
| JP2004218111A (en) * | 2003-01-10 | 2004-08-05 | Toyobo Co Ltd | Moisture absorbing and releasing fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012026030A1 (en) * | 2010-08-26 | 2012-03-01 | 株式会社重松製作所 | Clothing for protection against chemicals |
| CN103079647A (en) * | 2010-08-26 | 2013-05-01 | 株式会社重松制作所 | Clothing for protection against chemicals |
| JP2020139243A (en) * | 2019-02-28 | 2020-09-03 | 東レ株式会社 | Melt-blown nonwoven fabric |
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