JP2005029751A - 吸水性樹脂組成物 - Google Patents
吸水性樹脂組成物 Download PDFInfo
- Publication number
- JP2005029751A JP2005029751A JP2003273507A JP2003273507A JP2005029751A JP 2005029751 A JP2005029751 A JP 2005029751A JP 2003273507 A JP2003273507 A JP 2003273507A JP 2003273507 A JP2003273507 A JP 2003273507A JP 2005029751 A JP2005029751 A JP 2005029751A
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- Prior art keywords
- water
- absorbent resin
- resin composition
- weight
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000011342 resin composition Substances 0.000 title claims abstract description 47
- 229920005989 resin Polymers 0.000 claims abstract description 64
- 239000011347 resin Substances 0.000 claims abstract description 64
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002738 chelating agent Substances 0.000 claims abstract description 22
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 20
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000001301 oxygen Substances 0.000 claims abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 12
- 239000002250 absorbent Substances 0.000 claims description 115
- 230000002745 absorbent Effects 0.000 claims description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- 235000006708 antioxidants Nutrition 0.000 claims description 19
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 6
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 5
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 claims description 5
- 229960003330 pentetic acid Drugs 0.000 claims description 5
- YQUVCSBJEUQKSH-UHFFFAOYSA-N 3,4-dihydroxybenzoic acid Chemical class OC(=O)C1=CC=C(O)C(O)=C1 YQUVCSBJEUQKSH-UHFFFAOYSA-N 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 4
- 235000010350 erythorbic acid Nutrition 0.000 claims description 4
- 235000004515 gallic acid Nutrition 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 4
- 235000010323 ascorbic acid Nutrition 0.000 claims description 3
- 150000000996 L-ascorbic acids Chemical class 0.000 claims description 2
- 150000001556 benzimidazoles Chemical class 0.000 claims description 2
- 150000002826 nitrites Chemical class 0.000 claims description 2
- 239000011358 absorbing material Substances 0.000 abstract description 2
- 238000002845 discoloration Methods 0.000 abstract 1
- 150000007522 mineralic acids Chemical class 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 19
- 239000000047 product Substances 0.000 description 19
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 16
- 238000004040 coloring Methods 0.000 description 15
- -1 polyethylene Polymers 0.000 description 14
- 238000000034 method Methods 0.000 description 12
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 12
- 239000004698 Polyethylene Substances 0.000 description 11
- 229920000573 polyethylene Polymers 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000006116 polymerization reaction Methods 0.000 description 10
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 210000002700 urine Anatomy 0.000 description 8
- 229960005070 ascorbic acid Drugs 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 239000002211 L-ascorbic acid Substances 0.000 description 6
- 235000000069 L-ascorbic acid Nutrition 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 239000004745 nonwoven fabric Substances 0.000 description 6
- 235000010265 sodium sulphite Nutrition 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000178 monomer Substances 0.000 description 5
- ZTHYODDOHIVTJV-UHFFFAOYSA-N Propyl gallate Chemical compound CCCOC(=O)C1=CC(O)=C(O)C(O)=C1 ZTHYODDOHIVTJV-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- KBPUBCVJHFXPOC-UHFFFAOYSA-N ethyl 3,4-dihydroxybenzoate Chemical compound CCOC(=O)C1=CC=C(O)C(O)=C1 KBPUBCVJHFXPOC-UHFFFAOYSA-N 0.000 description 4
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 239000002504 physiological saline solution Substances 0.000 description 4
- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical compound CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 description 3
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 description 3
- 229940074391 gallic acid Drugs 0.000 description 3
- 235000010352 sodium erythorbate Nutrition 0.000 description 3
- 239000004320 sodium erythorbate Substances 0.000 description 3
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 3
- RBWSWDPRDBEWCR-RKJRWTFHSA-N sodium;(2r)-2-[(2r)-3,4-dihydroxy-5-oxo-2h-furan-2-yl]-2-hydroxyethanolate Chemical compound [Na+].[O-]C[C@@H](O)[C@H]1OC(=O)C(O)=C1O RBWSWDPRDBEWCR-RKJRWTFHSA-N 0.000 description 3
- YGDVXSDNEFDTGV-UHFFFAOYSA-N 2-[6-[bis(carboxymethyl)amino]hexyl-(carboxymethyl)amino]acetic acid Chemical compound OC(=O)CN(CC(O)=O)CCCCCCN(CC(O)=O)CC(O)=O YGDVXSDNEFDTGV-UHFFFAOYSA-N 0.000 description 2
- WYMDDFRYORANCC-UHFFFAOYSA-N 2-[[3-[bis(carboxymethyl)amino]-2-hydroxypropyl]-(carboxymethyl)amino]acetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)CN(CC(O)=O)CC(O)=O WYMDDFRYORANCC-UHFFFAOYSA-N 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- CIWBSHSKHKDKBQ-DUZGATOHSA-N D-araboascorbic acid Natural products OC[C@@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-DUZGATOHSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- CZBZUDVBLSSABA-UHFFFAOYSA-N butylated hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1.COC1=CC=C(O)C=C1C(C)(C)C CZBZUDVBLSSABA-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000004318 erythorbic acid Substances 0.000 description 2
- VFPFQHQNJCMNBZ-UHFFFAOYSA-N ethyl gallate Chemical compound CCOC(=O)C1=CC(O)=C(O)C(O)=C1 VFPFQHQNJCMNBZ-UHFFFAOYSA-N 0.000 description 2
- DEFVIWRASFVYLL-UHFFFAOYSA-N ethylene glycol bis(2-aminoethyl)tetraacetic acid Chemical compound OC(=O)CN(CC(O)=O)CCOCCOCCN(CC(O)=O)CC(O)=O DEFVIWRASFVYLL-UHFFFAOYSA-N 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 229940026239 isoascorbic acid Drugs 0.000 description 2
- FBSFWRHWHYMIOG-UHFFFAOYSA-N methyl 3,4,5-trihydroxybenzoate Chemical compound COC(=O)C1=CC(O)=C(O)C(O)=C1 FBSFWRHWHYMIOG-UHFFFAOYSA-N 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- DJEHXEMURTVAOE-UHFFFAOYSA-M potassium bisulfite Chemical compound [K+].OS([O-])=O DJEHXEMURTVAOE-UHFFFAOYSA-M 0.000 description 2
- 229940099427 potassium bisulfite Drugs 0.000 description 2
- 235000010259 potassium hydrogen sulphite Nutrition 0.000 description 2
- RWPGFSMJFRPDDP-UHFFFAOYSA-L potassium metabisulfite Chemical compound [K+].[K+].[O-]S(=O)S([O-])(=O)=O RWPGFSMJFRPDDP-UHFFFAOYSA-L 0.000 description 2
- 235000010263 potassium metabisulphite Nutrition 0.000 description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 2
- BHZRJJOHZFYXTO-UHFFFAOYSA-L potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 description 2
- 235000019252 potassium sulphite Nutrition 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 235000010388 propyl gallate Nutrition 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- PPASLZSBLFJQEF-RXSVEWSESA-M sodium-L-ascorbate Chemical compound [Na+].OC[C@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RXSVEWSESA-M 0.000 description 2
- 235000019187 sodium-L-ascorbate Nutrition 0.000 description 2
- 239000011755 sodium-L-ascorbate Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 description 1
- AOSFMYBATFLTAQ-UHFFFAOYSA-N 1-amino-3-(benzimidazol-1-yl)propan-2-ol Chemical compound C1=CC=C2N(CC(O)CN)C=NC2=C1 AOSFMYBATFLTAQ-UHFFFAOYSA-N 0.000 description 1
- 125000006290 2-hydroxybenzyl group Chemical group [H]OC1=C(C([H])=C([H])C([H])=C1[H])C([H])([H])* 0.000 description 1
- IWTIBPIVCKUAHK-UHFFFAOYSA-N 3-[bis(2-carboxyethyl)amino]propanoic acid Chemical compound OC(=O)CCN(CCC(O)=O)CCC(O)=O IWTIBPIVCKUAHK-UHFFFAOYSA-N 0.000 description 1
- YBMTWYWCLVMFFD-UHFFFAOYSA-N 3-methylbutyl 3,4,5-trihydroxybenzoate Chemical compound CC(C)CCOC(=O)C1=CC(O)=C(O)C(O)=C1 YBMTWYWCLVMFFD-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- CIWBSHSKHKDKBQ-MVHIGOERSA-N D-ascorbic acid Chemical compound OC[C@@H](O)[C@@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-MVHIGOERSA-N 0.000 description 1
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 description 1
- RPWFJAMTCNSJKK-UHFFFAOYSA-N Dodecyl gallate Chemical compound CCCCCCCCCCCCOC(=O)C1=CC(O)=C(O)C(O)=C1 RPWFJAMTCNSJKK-UHFFFAOYSA-N 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- 239000004262 Ethyl gallate Substances 0.000 description 1
- 206010021639 Incontinence Diseases 0.000 description 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
- FSVCELGFZIQNCK-UHFFFAOYSA-N N,N-bis(2-hydroxyethyl)glycine Chemical compound OCCN(CCO)CC(O)=O FSVCELGFZIQNCK-UHFFFAOYSA-N 0.000 description 1
- JYXGIOKAKDAARW-UHFFFAOYSA-N N-(2-hydroxyethyl)iminodiacetic acid Chemical compound OCCN(CC(O)=O)CC(O)=O JYXGIOKAKDAARW-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Substances CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- AZFNGPAYDKGCRB-XCPIVNJJSA-M [(1s,2s)-2-amino-1,2-diphenylethyl]-(4-methylphenyl)sulfonylazanide;chlororuthenium(1+);1-methyl-4-propan-2-ylbenzene Chemical compound [Ru+]Cl.CC(C)C1=CC=C(C)C=C1.C1=CC(C)=CC=C1S(=O)(=O)[N-][C@@H](C=1C=CC=CC=1)[C@@H](N)C1=CC=CC=C1 AZFNGPAYDKGCRB-XCPIVNJJSA-M 0.000 description 1
- WAIZSJUARDIDFV-UHFFFAOYSA-L [K+].[K+].[O-]S(=O)(=O)SS([O-])(=O)=O Chemical compound [K+].[K+].[O-]S(=O)(=O)SS([O-])(=O)=O WAIZSJUARDIDFV-UHFFFAOYSA-L 0.000 description 1
- FCMYSEXCLRFWBP-UHFFFAOYSA-N [NH4+].[NH4+].[O-]S(=O)S([O-])=O Chemical compound [NH4+].[NH4+].[O-]S(=O)S([O-])=O FCMYSEXCLRFWBP-UHFFFAOYSA-N 0.000 description 1
- LSVVNVHHHMEPJZ-UHFFFAOYSA-L [Na+].[Na+].[O-]S(=O)(=O)SS([O-])(=O)=O Chemical compound [Na+].[Na+].[O-]S(=O)(=O)SS([O-])(=O)=O LSVVNVHHHMEPJZ-UHFFFAOYSA-L 0.000 description 1
- IVFVVJFQTOSWRI-UHFFFAOYSA-N [Zn].N(=O)O Chemical compound [Zn].N(=O)O IVFVVJFQTOSWRI-UHFFFAOYSA-N 0.000 description 1
- RUSUZAGBORAKPY-UHFFFAOYSA-N acetic acid;n'-[2-(2-aminoethylamino)ethyl]ethane-1,2-diamine Chemical compound CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O.NCCNCCNCCN RUSUZAGBORAKPY-UHFFFAOYSA-N 0.000 description 1
- JHIDGGPPGFZMES-UHFFFAOYSA-N acetic acid;n-(2-aminoethyl)hydroxylamine Chemical compound CC(O)=O.CC(O)=O.CC(O)=O.NCCNO JHIDGGPPGFZMES-UHFFFAOYSA-N 0.000 description 1
- XYXNTHIYBIDHGM-UHFFFAOYSA-N ammonium thiosulfate Chemical compound [NH4+].[NH4+].[O-]S([O-])(=O)=S XYXNTHIYBIDHGM-UHFFFAOYSA-N 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- LVGQIQHJMRUCRM-UHFFFAOYSA-L calcium bisulfite Chemical compound [Ca+2].OS([O-])=O.OS([O-])=O LVGQIQHJMRUCRM-UHFFFAOYSA-L 0.000 description 1
- 235000010260 calcium hydrogen sulphite Nutrition 0.000 description 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 239000011243 crosslinked material Substances 0.000 description 1
- CPMVCRMQKZREQQ-UHFFFAOYSA-L ctk4c8528 Chemical compound [Ca+2].[O-]S(=O)S([O-])=O CPMVCRMQKZREQQ-UHFFFAOYSA-L 0.000 description 1
- 238000004807 desolvation Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- FGRVOLIFQGXPCT-UHFFFAOYSA-L dipotassium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane Chemical compound [K+].[K+].[O-]S([O-])(=O)=S FGRVOLIFQGXPCT-UHFFFAOYSA-L 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- PCAXGMRPPOMODZ-UHFFFAOYSA-N disulfurous acid, diammonium salt Chemical compound [NH4+].[NH4+].[O-]S(=O)S([O-])(=O)=O PCAXGMRPPOMODZ-UHFFFAOYSA-N 0.000 description 1
- 235000010386 dodecyl gallate Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000019277 ethyl gallate Nutrition 0.000 description 1
- IFQUWYZCAGRUJN-UHFFFAOYSA-N ethylenediaminediacetic acid Chemical compound OC(=O)CNCCNCC(O)=O IFQUWYZCAGRUJN-UHFFFAOYSA-N 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000007863 gel particle Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- NBZBKCUXIYYUSX-UHFFFAOYSA-N iminodiacetic acid Chemical compound OC(=O)CNCC(O)=O NBZBKCUXIYYUSX-UHFFFAOYSA-N 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- IBKQQKPQRYUGBJ-UHFFFAOYSA-N methyl gallate Natural products CC(=O)C1=CC(O)=C(O)C(O)=C1 IBKQQKPQRYUGBJ-UHFFFAOYSA-N 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 235000010387 octyl gallate Nutrition 0.000 description 1
- 239000000574 octyl gallate Substances 0.000 description 1
- NRPKURNSADTHLJ-UHFFFAOYSA-N octyl gallate Chemical compound CCCCCCCCOC(=O)C1=CC(O)=C(O)C(O)=C1 NRPKURNSADTHLJ-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- RAFRTSDUWORDLA-UHFFFAOYSA-N phenyl 3-chloropropanoate Chemical compound ClCCC(=O)OC1=CC=CC=C1 RAFRTSDUWORDLA-UHFFFAOYSA-N 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- HEZHYQDYRPUXNJ-UHFFFAOYSA-L potassium dithionite Chemical compound [K+].[K+].[O-]S(=O)S([O-])=O HEZHYQDYRPUXNJ-UHFFFAOYSA-L 0.000 description 1
- 235000010289 potassium nitrite Nutrition 0.000 description 1
- 239000004304 potassium nitrite Substances 0.000 description 1
- UVTKHPSJNFFIDG-UHFFFAOYSA-L potassium tetrathionate Chemical compound [K+].[K+].[O-]S(=O)(=O)SSS([O-])(=O)=O UVTKHPSJNFFIDG-UHFFFAOYSA-L 0.000 description 1
- MJEFICHEMUJLHM-UHFFFAOYSA-L potassium;sodium;dinitrite Chemical compound [Na+].[K+].[O-]N=O.[O-]N=O MJEFICHEMUJLHM-UHFFFAOYSA-L 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- PPASLZSBLFJQEF-LNPKWJEUSA-M sodium (2S)-2-[(1R)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2H-furan-3-olate Chemical compound [Na+].O=C1C(O)=C([O-])[C@@H](O1)[C@H](O)CO PPASLZSBLFJQEF-LNPKWJEUSA-M 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- 229940079827 sodium hydrogen sulfite Drugs 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- HAEPBEMBOAIUPN-UHFFFAOYSA-L sodium tetrathionate Chemical compound O.O.[Na+].[Na+].[O-]S(=O)(=O)SSS([O-])(=O)=O HAEPBEMBOAIUPN-UHFFFAOYSA-L 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- XIUROWKZWPIAIB-UHFFFAOYSA-N sulfotep Chemical compound CCOP(=S)(OCC)OP(=S)(OCC)OCC XIUROWKZWPIAIB-UHFFFAOYSA-N 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- HSYFJDYGOJKZCL-UHFFFAOYSA-L zinc;sulfite Chemical compound [Zn+2].[O-]S([O-])=O HSYFJDYGOJKZCL-UHFFFAOYSA-L 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/20—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing organic materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/18—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
【解決手段】吸水性樹脂、含酸素還元性無機塩、アミノカルボン酸系金属キレート剤および有機酸化防止剤を含有してなる吸水性樹脂組成物、前記吸水性樹脂組成物と親水性繊維とを含有する吸収体、ならびに液体透過性シートと液体不透過性シートとの間に、前記吸収体が保持されてなる吸収性物品。
【選択図】なし
Description
〔1〕 吸水性樹脂、含酸素還元性無機塩、アミノカルボン酸系金属キレート剤および有機酸化防止剤を含有してなる吸水性樹脂組成物、
〔2〕 前記〔1〕記載の吸水性樹脂組成物と親水性繊維とを含有する吸収体、ならびに〔3〕 液体透過性シートと液体不透過性シートとの間に、前記〔2〕記載の吸収体が保持されてなる吸収性物品
に関する。
撹拌機、還流冷却器、滴下ロート、温度計および窒素ガス導入管を備えた1000mL容の五つ口円筒型丸底フラスコに、n−ヘプタンを500mL加えた。これに、ショ糖脂肪酸エステル0.92g添加して分散させ、昇温して溶解させた後、55℃まで冷却した。
2L容のポリエチレン容器に、製造例で得られた吸水性樹脂100g、亜硫酸ナトリウム1g、エチレンジアミン四酢酸二ナトリウム(粒子径106μm以下の粒子の割合が86重量%)0.5gおよびL−アスコルビン酸0.05gを仕込み、クロスロータリーミキサー〔明和工業(株)製、品番:CM−3〕を用いて、自転速度30rpm、公転速度30rpmで1時間混合し、吸水性樹脂組成物101.5gを得た。
2L容のポリエチレン容器に製造例で得られた吸水性樹脂100g、亜硫酸ナトリウム2g、ジエチレントリアミン五酢酸(粒子径106μm以下の粒子の割合が87重量%)0.7gおよびL−アスコルビン酸0.02gを仕込み、クロスロータリーミキサー〔明和工業(株)製、品番:CM−3〕を用いて、自転速度30rpm、公転速度30rpmで1時間混合し、吸水性樹脂組成物102.7gを得た。
2L容のポリエチレン容器に製造例で得られた吸水性樹脂100g、亜硫酸水素ナトリウム2g、エチレンジアミン四酢酸(粒子径106μm以下の粒子の割合が88重量%)0.8gおよびエリソルビン酸ナトリウム0.1gを仕込み、クロスロータリーミキサー〔明和工業(株)製、品番:CM−3〕を用いて、自転速度30rpm、公転速度30rpmで1時間混合し、吸水性樹脂組成物102.9gを得た。
2L容のポリエチレン容器に製造例で得られた吸水性樹脂100g、ピロ亜硫酸カリウム2.5g、トリエチレンテトラミン六酢酸(粒子径106μm以下の粒子の割合が90重量%)1.2gおよび没食子酸n−プロピル0.1gを仕込み、クロスロータリーミキサー〔明和工業(株)製、品番:CM−3〕を用いて、自転速度30rpm、公転速度30rpmで1時間混合し、吸水性樹脂組成物103.8gを得た。
2L容のポリエチレン容器に製造例で得られた吸水性樹脂100g、亜二チオン酸ナトリウム2.5g、trans−1,2−ジアミノシクロヘキサン四酢酸(粒子径106μm以下の粒子の割合が86重量%)1gおよびプロトカテキュ酸エチル0.5gを仕込み、クロスロータリーミキサー〔明和工業(株)製、品番:CM−3〕を用いて、自転速度30rpm、公転速度30rpmで1時間混合し、吸水性樹脂組成物104gを得た。
2L容のポリエチレン容器に製造例で得られた吸水性樹脂100g、亜硝酸ナトリウム3g、ヒドロキシエチレンジアミン三酢酸三ナトリウム(粒子径106μm以下の粒子の割合が89重量%)1.5gおよびブチルヒドロキシアニソール1gを仕込み、クロスロータリーミキサー〔明和工業(株)製、品番:CM−3〕を用いて、自転速度30rpm、公転速度30rpmで1時間混合し、吸水性樹脂組成物105.5gを得た。
2L容のポリエチレン容器に製造例で得られた吸水性樹脂100g、亜硫酸ナトリウム1g、エチレンジアミン四酢酸二ナトリウム(粒子径106μm以下の粒子の割合が36重量%)0.5gおよびL−アスコルビン酸0.05gを仕込み、クロスロータリーミキサー〔明和工業(株)製、品番:CM−3〕を用いて、自転速度30rpm、公転速度30rpmで1時間混合し、吸水性樹脂組成物101.5gを得た。
製造例で得られた吸水性樹脂をそのまま用いた。
実施例1において、亜硫酸ナトリウム1gを用いない以外は実施例1と同様にして、吸水性樹脂組成物100.6gを得た。
実施例1において、エチレンジアミン四酢酸二ナトリウム0.5gを用いない以外は実施例1と同様にして、吸水性樹脂組成物101.1gを得た。
実施例1において、L−アスコルビン酸0.05gを用いない以外は実施例1と同様にして、吸水性樹脂組成物101.5gを得た。
各実施例、および各比較例で得られた吸水性樹脂組成物および吸水性樹脂、ならびにそれらを用いて得られた吸収性物品の物性を、以下の方法により評価した。
成人男性から採取した人尿39gを100mL容のビーカーに分取し、吸水性樹脂組成物または吸水性樹脂1gを添加して、人尿吸収ゲルを作製した。この人尿吸収ゲルを40℃の恒温槽内に24時間放置した後、以下の評価基準に従って、ゲルの安定性を評価した。
◎:ゲルの弾力性があり、強く押してもつぶれない。
○:ゲルの弾力性はあるが、強く押すとつぶれる。
△:ゲルの形状はあるが、軽くつまむとつぶれる。
×:ゲルの形状が崩れている。
0.9重量%生理食塩水39gを100mL容のビーカーに分取し、これに吸水性樹脂組成物または吸水性樹脂1gを添加して、生理食塩水吸収ゲルを作製した。この生理食塩水吸収ゲルを40℃の恒温槽内に24時間放置した後、以下の評価基準に従って、ゲルの安定性を評価した。
◎:ゲルの弾力性があり、強く押してもつぶれない。
○:ゲルの弾力性はあるが、強く押すとつぶれる。
△:ゲルの形状はあるが、軽くつまむとつぶれる。
×:ゲルの形状が崩れている。
吸水性樹脂組成物または吸水性樹脂12gと解砕された木材パルプ9gとを乾式混合した。得られた混合物を、大きさが40cm×10cmで重さが1gのティッシュに吹き付けた後、同じ大きさおよび重さのティッシュを重ねてシート状にした。得られたシートの全体に196kPaの加重を30秒間加えてプレスすることにより吸収体を作製した。この吸収体を、大きさ40cm×12cm、坪量20g/m2 のポリエチレン製エアスルー型不織布と、同じ大きさ、重さ1gのポリエチレンシートとで挟み付けることにより、吸収性物品を作製した。
A:不織布を取り除き、吸収体をほぐして見ても、内部の吸水性樹脂は着色していない。
B:不織布を取り除かない状態で見たとき、吸水性樹脂による着色が認められないが、不織布を取り除き、吸収体をほぐすと、一部の吸水性樹脂に着色が認められる。
C:不織布を取り除かない状態で見ても、吸水性樹脂による着色が認められる。
Claims (9)
- 吸水性樹脂、含酸素還元性無機塩、アミノカルボン酸系金属キレート剤および有機酸化防止剤を含有してなる吸水性樹脂組成物。
- 含酸素還元性無機塩の含有量が、吸水性樹脂100重量部に対して0.01〜5重量部である請求項1記載の吸水性樹脂組成物。
- アミノカルボン酸系金属キレート剤の含有量が、吸水性樹脂100重量部に対して0.01〜5重量部である請求項1または2記載の吸水性樹脂組成物。
- 有機酸化防止剤の含有量が、吸水性樹脂100重量部に対して0.001〜5重量部である請求項1〜3いずれか記載の吸水性樹脂組成物。
- 含酸素還元性無機塩が、亜硫酸塩、亜硫酸水素塩、ピロ亜硫酸塩、亜二チオン酸塩および亜硝酸塩からなる群から選ばれた少なくとも1種である請求項1〜4いずれか記載の吸水性樹脂組成物。
- アミノカルボン酸系金属キレート剤が、エチレンジアミン四酢酸、ヒドロキシエチレンジアミン三酢酸、ジエチレントリアミン五酢酸、トリエチレンテトラミン六酢酸、trans−1,2−ジアミノシクロヘキサン四酢酸およびこれらの塩からなる群から選ばれた少なくとも1種である請求項1〜5いずれか記載の吸水性樹脂組成物。
- 有機酸化防止剤が、アスコルビン酸類、エリソルビン酸類、没食子酸類、プロトカテキュ酸類、ベンズイミダゾール類およびアルキルヒドロキシアニソール類からなる群から選ばれた少なくとも1種である請求項1〜6いずれか記載の吸水性樹脂組成物。
- 請求項1〜7いずれか記載の吸水性樹脂組成物と親水性繊維とを含有する吸収体。
- 液体透過性シートと液体不透過性シートとの間に、請求項8記載の吸収体が保持されてなる吸収性物品。
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JP2003273507A JP3940103B2 (ja) | 2003-07-11 | 2003-07-11 | 吸水性樹脂組成物 |
EP04747455.6A EP1645596B1 (en) | 2003-07-11 | 2004-07-07 | Water-absorbing resin composition |
US10/561,450 US20070111004A1 (en) | 2003-07-11 | 2004-07-07 | Water-absorbing resin composition |
BRPI0412413 BRPI0412413A (pt) | 2003-07-11 | 2004-07-07 | composição de resina absorvente de água |
CNB2004800193259A CN100453596C (zh) | 2003-07-11 | 2004-07-07 | 吸水树脂组合物 |
PCT/JP2004/009989 WO2005005549A1 (ja) | 2003-07-11 | 2004-07-07 | 吸水性樹脂組成物 |
TW093120692A TW200516106A (en) | 2003-07-11 | 2004-07-09 | A water-absorbent resin composition |
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- 2004-07-07 US US10/561,450 patent/US20070111004A1/en not_active Abandoned
- 2004-07-07 CN CNB2004800193259A patent/CN100453596C/zh not_active Expired - Fee Related
- 2004-07-07 BR BRPI0412413 patent/BRPI0412413A/pt not_active Application Discontinuation
- 2004-07-07 EP EP04747455.6A patent/EP1645596B1/en not_active Expired - Lifetime
- 2004-07-07 WO PCT/JP2004/009989 patent/WO2005005549A1/ja active Application Filing
- 2004-07-09 TW TW093120692A patent/TW200516106A/zh not_active IP Right Cessation
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KR20160068768A (ko) * | 2013-10-09 | 2016-06-15 | 가부시키가이샤 닛폰 쇼쿠바이 | 흡수성 수지를 주성분으로 하는 입자상 흡수제 및 그의 제조 방법 |
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Also Published As
Publication number | Publication date |
---|---|
US20070111004A1 (en) | 2007-05-17 |
TW200516106A (en) | 2005-05-16 |
CN100453596C (zh) | 2009-01-21 |
EP1645596B1 (en) | 2018-09-19 |
BRPI0412413A (pt) | 2006-09-05 |
CN1816596A (zh) | 2006-08-09 |
EP1645596A4 (en) | 2011-04-13 |
WO2005005549A1 (ja) | 2005-01-20 |
TWI350842B (ja) | 2011-10-21 |
EP1645596A1 (en) | 2006-04-12 |
JP3940103B2 (ja) | 2007-07-04 |
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