ZA200401195B - Superabsorbent polymer. - Google Patents
Superabsorbent polymer. Download PDFInfo
- Publication number
- ZA200401195B ZA200401195B ZA200401195A ZA200401195A ZA200401195B ZA 200401195 B ZA200401195 B ZA 200401195B ZA 200401195 A ZA200401195 A ZA 200401195A ZA 200401195 A ZA200401195 A ZA 200401195A ZA 200401195 B ZA200401195 B ZA 200401195B
- Authority
- ZA
- South Africa
- Prior art keywords
- polymer
- cellulosic
- sulfated
- lignocellulosic
- percent
- Prior art date
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- 229920000247 superabsorbent polymer Polymers 0.000 title claims description 26
- 229920000642 polymer Polymers 0.000 claims description 156
- 239000000835 fiber Substances 0.000 claims description 109
- 239000007788 liquid Substances 0.000 claims description 74
- 239000002250 absorbent Substances 0.000 claims description 59
- 230000002745 absorbent Effects 0.000 claims description 59
- 239000000463 material Substances 0.000 claims description 56
- 229920002678 cellulose Polymers 0.000 claims description 50
- 239000001913 cellulose Substances 0.000 claims description 50
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 44
- 239000003795 chemical substances by application Substances 0.000 claims description 33
- 239000003431 cross linking reagent Substances 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 27
- 150000004676 glycans Chemical class 0.000 claims description 25
- 229920001282 polysaccharide Polymers 0.000 claims description 25
- 239000005017 polysaccharide Substances 0.000 claims description 25
- 230000001180 sulfating effect Effects 0.000 claims description 25
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 18
- 239000012736 aqueous medium Substances 0.000 claims description 12
- 229920006037 cross link polymer Polymers 0.000 claims description 10
- 230000003472 neutralizing effect Effects 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 5
- 206010021639 Incontinence Diseases 0.000 claims description 4
- 239000002657 fibrous material Substances 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 239000012209 synthetic fiber Substances 0.000 claims description 2
- 229920002994 synthetic fiber Polymers 0.000 claims description 2
- 230000001172 regenerating effect Effects 0.000 claims 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 50
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 36
- 238000005670 sulfation reaction Methods 0.000 description 36
- 230000019635 sulfation Effects 0.000 description 27
- 241001122767 Theaceae Species 0.000 description 25
- 239000000047 product Substances 0.000 description 20
- 239000000243 solution Substances 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 239000002002 slurry Substances 0.000 description 19
- -1 sulfate ester Chemical class 0.000 description 19
- 239000002253 acid Substances 0.000 description 18
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 14
- 229960000583 acetic acid Drugs 0.000 description 14
- 150000003839 salts Chemical group 0.000 description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- 235000013877 carbamide Nutrition 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 11
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 10
- 230000008961 swelling Effects 0.000 description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 9
- 230000035484 reaction time Effects 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 8
- 238000004132 cross linking Methods 0.000 description 8
- 238000006731 degradation reaction Methods 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 8
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 7
- 235000019341 magnesium sulphate Nutrition 0.000 description 7
- 229910052717 sulfur Inorganic materials 0.000 description 7
- 239000011800 void material Substances 0.000 description 7
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 229920001131 Pulp (paper) Polymers 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 6
- 239000012362 glacial acetic acid Substances 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000006467 substitution reaction Methods 0.000 description 6
- 239000011593 sulfur 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
- 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 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 5
- 239000004202 carbamide Substances 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 239000003085 diluting agent Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000006386 neutralization reaction Methods 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 235000005018 Pinus echinata Nutrition 0.000 description 4
- 241001236219 Pinus echinata Species 0.000 description 4
- 235000017339 Pinus palustris Nutrition 0.000 description 4
- 229920002125 Sokalan® Polymers 0.000 description 4
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- ZEYUSQVGRCPBPG-UHFFFAOYSA-N 4,5-dihydroxy-1,3-bis(hydroxymethyl)imidazolidin-2-one Chemical compound OCN1C(O)C(O)N(CO)C1=O ZEYUSQVGRCPBPG-UHFFFAOYSA-N 0.000 description 3
- 229920003043 Cellulose fiber Polymers 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 210000001124 body fluid Anatomy 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 229910001629 magnesium chloride Inorganic materials 0.000 description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 3
- 239000011976 maleic acid Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 239000013055 pulp slurry Substances 0.000 description 3
- 239000004583 superabsorbent polymers (SAPs) Substances 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- 229920003176 water-insoluble polymer Polymers 0.000 description 3
- NNTWKXKLHMTGBU-UHFFFAOYSA-N 4,5-dihydroxyimidazolidin-2-one Chemical compound OC1NC(=O)NC1O NNTWKXKLHMTGBU-UHFFFAOYSA-N 0.000 description 2
- VPPHKHDARGZSFK-UHFFFAOYSA-N 5,5-bis(hydroxymethyl)imidazolidine-2,4-dione Chemical compound OCC1(CO)NC(=O)NC1=O VPPHKHDARGZSFK-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 235000015165 citric acid Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000012024 dehydrating agents Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- WVJOGYWFVNTSAU-UHFFFAOYSA-N dimethylol ethylene urea Chemical compound OCN1CCN(CO)C1=O WVJOGYWFVNTSAU-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M lithium hydroxide Inorganic materials [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- YDSWCNNOKPMOTP-UHFFFAOYSA-N mellitic acid Chemical compound OC(=O)C1=C(C(O)=O)C(C(O)=O)=C(C(O)=O)C(C(O)=O)=C1C(O)=O YDSWCNNOKPMOTP-UHFFFAOYSA-N 0.000 description 2
- 229920001444 polymaleic acid Polymers 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Inorganic materials [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000001632 sodium acetate Substances 0.000 description 2
- 235000017281 sodium acetate Nutrition 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- KQTIIICEAUMSDG-UHFFFAOYSA-N tricarballylic acid Chemical compound OC(=O)CC(C(O)=O)CC(O)=O KQTIIICEAUMSDG-UHFFFAOYSA-N 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- QIVUCLWGARAQIO-OLIXTKCUSA-N (3s)-n-[(3s,5s,6r)-6-methyl-2-oxo-1-(2,2,2-trifluoroethyl)-5-(2,3,6-trifluorophenyl)piperidin-3-yl]-2-oxospiro[1h-pyrrolo[2,3-b]pyridine-3,6'-5,7-dihydrocyclopenta[b]pyridine]-3'-carboxamide Chemical class C1([C@H]2[C@H](N(C(=O)[C@@H](NC(=O)C=3C=C4C[C@]5(CC4=NC=3)C3=CC=CN=C3NC5=O)C2)CC(F)(F)F)C)=C(F)C=CC(F)=C1F QIVUCLWGARAQIO-OLIXTKCUSA-N 0.000 description 1
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 description 1
- IQDKUTQPYBHPJK-UHFFFAOYSA-N 1,3-bis(hydroxymethyl)-1,3-diazinan-2-one Chemical compound OCN1CCCN(CO)C1=O IQDKUTQPYBHPJK-UHFFFAOYSA-N 0.000 description 1
- KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-UHFFFAOYSA-N 0.000 description 1
- YORGLSZZMFADAJ-UHFFFAOYSA-N 1,3-dihydroxy-1,3-dimethylurea Chemical compound CN(O)C(=O)N(C)O YORGLSZZMFADAJ-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- LUYAMNYBNTVQJG-UHFFFAOYSA-N 1-chloro-2-(2-chloroethylsulfonyl)ethane Chemical compound ClCCS(=O)(=O)CCCl LUYAMNYBNTVQJG-UHFFFAOYSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- CFPOJWPDQWJEMO-UHFFFAOYSA-N 2-(1,2-dicarboxyethoxy)butanedioic acid Chemical compound OC(=O)CC(C(O)=O)OC(C(O)=O)CC(O)=O CFPOJWPDQWJEMO-UHFFFAOYSA-N 0.000 description 1
- QQLILYBIARWEIF-UHFFFAOYSA-N 2-(2-hydroxyethylsulfonyl)ethanol Chemical compound OCCS(=O)(=O)CCO QQLILYBIARWEIF-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
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 1
- XYOSFLPUWVWHOA-UHFFFAOYSA-N 2-ethylidenepropane-1,3-diol;urea Chemical compound NC(N)=O.CC=C(CO)CO XYOSFLPUWVWHOA-UHFFFAOYSA-N 0.000 description 1
- RLHGFJMGWQXPBW-UHFFFAOYSA-N 2-hydroxy-3-(1h-imidazol-5-ylmethyl)benzamide Chemical compound NC(=O)C1=CC=CC(CC=2NC=NC=2)=C1O RLHGFJMGWQXPBW-UHFFFAOYSA-N 0.000 description 1
- LGJMYGMNWHYGCB-UHFFFAOYSA-N 4,5-dihydroxy-1,3-dimethylimidazolidin-2-one Chemical compound CN1C(O)C(O)N(C)C1=O LGJMYGMNWHYGCB-UHFFFAOYSA-N 0.000 description 1
- OECTYKWYRCHAKR-UHFFFAOYSA-N 4-vinylcyclohexene dioxide Chemical compound C1OC1C1CC2OC2CC1 OECTYKWYRCHAKR-UHFFFAOYSA-N 0.000 description 1
- 102100031260 Acyl-coenzyme A thioesterase THEM4 Human genes 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- MNQZXJOMYWMBOU-VKHMYHEASA-N D-glyceraldehyde Chemical compound OC[C@@H](O)C=O MNQZXJOMYWMBOU-VKHMYHEASA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- ZNZYKNKBJPZETN-WELNAUFTSA-N Dialdehyde 11678 Chemical compound N1C2=CC=CC=C2C2=C1[C@H](C[C@H](/C(=C/O)C(=O)OC)[C@@H](C=C)C=O)NCC2 ZNZYKNKBJPZETN-WELNAUFTSA-N 0.000 description 1
- ZFIVKAOQEXOYFY-UHFFFAOYSA-N Diepoxybutane Chemical compound C1OC1C1OC1 ZFIVKAOQEXOYFY-UHFFFAOYSA-N 0.000 description 1
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 1
- 244000166124 Eucalyptus globulus Species 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- 101000638510 Homo sapiens Acyl-coenzyme A thioesterase THEM4 Proteins 0.000 description 1
- 241000209082 Lolium Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical class CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 1
- 235000011334 Pinus elliottii Nutrition 0.000 description 1
- 235000008566 Pinus taeda Nutrition 0.000 description 1
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- 241000736285 Sphagnum Species 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 150000008043 acidic salts Chemical class 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- HKVFISRIUUGTIB-UHFFFAOYSA-O azanium;cerium;nitrate Chemical compound [NH4+].[Ce].[O-][N+]([O-])=O HKVFISRIUUGTIB-UHFFFAOYSA-O 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- MIGNWTQKRPNYLP-UHFFFAOYSA-N but-2-ene-2,3-diol urea Chemical compound NC(=O)N.OC(=C(C)O)C MIGNWTQKRPNYLP-UHFFFAOYSA-N 0.000 description 1
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- HXDRSFFFXJISME-UHFFFAOYSA-N butanedioic acid;2,3-dihydroxybutanedioic acid Chemical compound OC(=O)CCC(O)=O.OC(=O)C(O)C(O)C(O)=O HXDRSFFFXJISME-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- XTHPWXDJESJLNJ-UHFFFAOYSA-N chlorosulfonic acid Substances OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 description 1
- HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 description 1
- 229940018557 citraconic acid Drugs 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- AFOSIXZFDONLBT-UHFFFAOYSA-N divinyl sulfone Chemical compound C=CS(=O)(=O)C=C AFOSIXZFDONLBT-UHFFFAOYSA-N 0.000 description 1
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000011086 glassine Substances 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical class CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- CKAODHQJQJOTCB-UHFFFAOYSA-L magnesium;dichloride;heptahydrate Chemical compound O.O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-] CKAODHQJQJOTCB-UHFFFAOYSA-L 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 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
- 239000002808 molecular sieve Substances 0.000 description 1
- UFOIOXZLTXNHQH-UHFFFAOYSA-N oxolane-2,3,4,5-tetracarboxylic acid Chemical compound OC(=O)C1OC(C(O)=O)C(C(O)=O)C1C(O)=O UFOIOXZLTXNHQH-UHFFFAOYSA-N 0.000 description 1
- QUBQYFYWUJJAAK-UHFFFAOYSA-N oxymethurea Chemical compound OCNC(=O)NCO QUBQYFYWUJJAAK-UHFFFAOYSA-N 0.000 description 1
- 229950005308 oxymethurea Drugs 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000012667 polymer degradation Methods 0.000 description 1
- 238000000710 polymer precipitation Methods 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Substances [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 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 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- YALHCTUQSQRCSX-UHFFFAOYSA-N sulfane sulfuric acid Chemical group S.OS(O)(=O)=O YALHCTUQSQRCSX-UHFFFAOYSA-N 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- HIFJUMGIHIZEPX-UHFFFAOYSA-N sulfuric acid;sulfur trioxide Chemical compound O=S(=O)=O.OS(O)(=O)=O HIFJUMGIHIZEPX-UHFFFAOYSA-N 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B16/00—Regeneration of cellulose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H8/00—Macromolecular compounds derived from lignocellulosic 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B5/00—Preparation of cellulose esters of inorganic acids, e.g. phosphates
- C08B5/14—Cellulose sulfate
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Dispersion Chemistry (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Applications Claiming Priority (1)
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US09/939,182 US6500947B1 (en) | 2001-08-24 | 2001-08-24 | Superabsorbent polymer |
Publications (1)
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ZA200401195B true ZA200401195B (en) | 2004-10-29 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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ZA200401195A ZA200401195B (en) | 2001-08-24 | 2004-02-13 | Superabsorbent polymer. |
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US (2) | US6500947B1 (es) |
EP (1) | EP1423434A4 (es) |
JP (1) | JP2005504135A (es) |
KR (1) | KR20040044479A (es) |
CN (1) | CN1547591A (es) |
BR (1) | BR0212079A (es) |
CA (1) | CA2457792A1 (es) |
MX (1) | MXPA04001670A (es) |
NO (1) | NO20040778L (es) |
NZ (1) | NZ531363A (es) |
RU (1) | RU2260471C1 (es) |
WO (1) | WO2003018072A2 (es) |
ZA (1) | ZA200401195B (es) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6500947B1 (en) * | 2001-08-24 | 2002-12-31 | Weyerhaeuser Company | Superabsorbent polymer |
US6844066B2 (en) * | 2003-05-19 | 2005-01-18 | Rayonier Products And Financial Services Company | Superabsorbent cellulosic fiber and method of making same |
US20050142965A1 (en) * | 2003-12-29 | 2005-06-30 | Kimberly-Clark Worldwide, Inc. | Surface charge manipulation for improved fluid intake rates of absorbent composites |
US7560419B2 (en) * | 2004-11-03 | 2009-07-14 | Halliburton Energy Services, Inc. | Method and biodegradable super absorbent composition for preventing or treating lost circulation |
US20060142480A1 (en) * | 2004-12-29 | 2006-06-29 | Mengkui Luo | Method of making carboxyalkyl cellulose polymer network |
US20060142478A1 (en) * | 2004-12-29 | 2006-06-29 | Mengkui Luo | Carboxyalkyl cellulose polymer network |
US7300965B2 (en) | 2004-12-29 | 2007-11-27 | Weyerhaeuser Company | Mixed polymer network |
US20060142484A1 (en) * | 2004-12-29 | 2006-06-29 | Glasser Wolfgang G | Sulfoalkylated cellulose polymer network |
US7230049B2 (en) * | 2004-12-29 | 2007-06-12 | Weyerhaeuser Co. | Method of crosslinking a carboxylated polymer using a triazine crosslinking activator |
US20060142481A1 (en) * | 2004-12-29 | 2006-06-29 | Herriott Carole W | Method for making a mixed polymer network |
US20060142560A1 (en) * | 2004-12-29 | 2006-06-29 | Glasser Wolfgang G | Sulfoalkylated cellulose |
US20060142561A1 (en) * | 2004-12-29 | 2006-06-29 | Mengkui Luo | Carboxyalkyl cellulose |
US20060142476A1 (en) * | 2004-12-29 | 2006-06-29 | Weerawarna S A | Crosslinked carboxylated polymer |
US7241836B2 (en) * | 2004-12-29 | 2007-07-10 | Weyerhaeuser Co. | Method of crosslinking a mixture of carboxylated polymers using a triazine crosslinking activator |
US7393905B2 (en) * | 2004-12-29 | 2008-07-01 | Weyerhaeuser Company | Crosslinked mixed carboxylated polymer network |
US7541396B2 (en) * | 2004-12-29 | 2009-06-02 | Weyerhaeuser Nr Company | Method for making carboxyalkyl cellulose |
EP1922045B1 (en) | 2005-09-07 | 2012-11-07 | Tyco Healthcare Group LP | Self contained wound dressing with micropump |
US20070270070A1 (en) * | 2006-05-19 | 2007-11-22 | Hamed Othman A | Chemically Stiffened Fibers In Sheet Form |
US20080082069A1 (en) * | 2006-10-02 | 2008-04-03 | Jian Qin | Absorbent articles comprising carboxyalkyl cellulose fibers having non-permanent and temporary crosslinks |
US20080082068A1 (en) * | 2006-10-02 | 2008-04-03 | Jian Qin | Absorbent articles comprising carboxyalkyl cellulose fibers having permanent and non-permanent crosslinks |
US20080147026A1 (en) * | 2006-12-15 | 2008-06-19 | Jian Qin | Absorbent fiber with a low absorbent capacity and slow absorption rate |
EP1982727A1 (en) * | 2007-04-17 | 2008-10-22 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. | Method for purification of viral proteins |
US8039683B2 (en) * | 2007-10-15 | 2011-10-18 | Kimberly-Clark Worldwide, Inc. | Absorbent composites having improved fluid wicking and web integrity |
US8012539B2 (en) * | 2008-05-09 | 2011-09-06 | Kraton Polymers U.S. Llc | Method for making sulfonated block copolymers, method for making membranes from such block copolymers and membrane structures |
US9221963B2 (en) * | 2008-11-27 | 2015-12-29 | Speciality Fibres And Materials Ltd. | Absorbent material |
US9144625B2 (en) * | 2008-11-27 | 2015-09-29 | Speciality Fibres And Materials Ltd. | Cellulose ethylsulfonate-based absorbent material |
CN102803296B (zh) * | 2009-05-06 | 2015-08-26 | Fp创新研究中心 | 晶体硫酸化纤维素ii以及由纤维素的硫酸水解制备该晶体硫酸化纤维素ii |
US8551356B2 (en) | 2010-04-14 | 2013-10-08 | Nch Corporation | Absorbent polymer composition with hazard indicator |
US9833767B2 (en) | 2010-07-02 | 2017-12-05 | Indian Council Of Agricultural Research | Superabsorbents and the method(s) of obtaining the same |
EP2611835A1 (en) | 2010-08-30 | 2013-07-10 | Albertsson, Ann-Christine | Renewable superabsorbents |
CN105963074B (zh) | 2011-07-14 | 2020-01-17 | 史密夫及内修公开有限公司 | 伤口敷料和治疗方法 |
JP6400570B2 (ja) | 2012-05-23 | 2018-10-10 | スミス アンド ネフュー ピーエルシーSmith & Nephew Public Limited Company | 局所陰圧閉鎖療法のための装置および方法 |
EP4112020A1 (en) | 2012-08-01 | 2023-01-04 | Smith & Nephew plc | Wound dressing and method of treatment |
HUE033329T2 (en) | 2012-08-01 | 2017-11-28 | Smith & Nephew | dressing |
CN103143327B (zh) * | 2013-03-11 | 2014-12-24 | 山东轻工业学院 | 一种高效铅离子吸附材料磺酸化纤维素的制备方法 |
KR20170016386A (ko) | 2014-06-02 | 2017-02-13 | 테티스, 아이엔씨. | 개질된 생체중합체, 및 이의 제조 및 사용 방법 |
CA2952284C (en) | 2014-06-18 | 2023-03-28 | Smith & Nephew Plc | Wound dressing |
US9458297B2 (en) * | 2014-06-30 | 2016-10-04 | Weyerhaeuser Nr Company | Modified fiber, methods, and systems |
CA3004346A1 (en) | 2015-11-23 | 2017-06-01 | Tethis, Inc. | Coated particles and methods of making and using the same |
WO2017127828A1 (en) | 2016-01-21 | 2017-07-27 | North Carolina State University | Cellulose acetate aerogels |
CN105963082A (zh) * | 2016-04-15 | 2016-09-28 | 美佳爽(中国)有限公司 | 一种环保吸收性物品 |
GB2555584B (en) | 2016-10-28 | 2020-05-27 | Smith & Nephew | Multi-layered wound dressing and method of manufacture |
CA3107604A1 (en) | 2018-03-13 | 2019-09-19 | Mjj Technologies Inc. | Superabsorbent polymer and methods of making and using the same |
WO2023012815A1 (en) | 2021-07-31 | 2023-02-09 | Hindustan Petroleum Corporation Limited | A method for production of super absorbent polymer (sap) |
Family Cites Families (91)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE23384C (de) | H. SESEMANN, Eisenbahn-Telegraphenaufseher in Zeitz | Elektrischer Wasserstandsmesser | ||
CA731146A (en) | 1966-03-29 | W. Anderson Arthur | Insolubilization of water-soluble cellulose ethers | |
US3075963A (en) | 1960-09-16 | 1963-01-29 | Eastman Kodak Co | Method of preparing cellulose derivative sulfates |
US3589364A (en) | 1968-03-14 | 1971-06-29 | Buckeye Cellulose Corp | Bibulous cellulosic fibers |
US3702843A (en) | 1970-05-25 | 1972-11-14 | Schweiger Richard Georg | Nitrite,nitrate and sulfate esters of polyhydroxy polymers |
US4138535A (en) | 1970-05-25 | 1979-02-06 | Schweiger Richard Georg | Nitrite esters of polyhydroxy polymers |
US4141746A (en) | 1970-05-25 | 1979-02-27 | Schweiger Richard Georg | Cellulose sulfate esters |
US4035569A (en) | 1970-05-25 | 1977-07-12 | Schweiger Richard Georg | Preparation of cellulose nitrite |
US3723413A (en) | 1970-10-26 | 1973-03-27 | Personal Products Co | Water-insoluble fluid-absorptive and retentive materials and methods of making the same |
US3673110A (en) | 1970-12-28 | 1972-06-27 | Procter & Gamble | Surface-modified cellulose |
US3858585A (en) | 1971-03-22 | 1975-01-07 | Personal Products Co | Fluid absorption and retention products and methods of making the same |
US3804092A (en) | 1973-01-15 | 1974-04-16 | Johnson & Johnson | Water dispersible nonwoven fabric |
US4005251A (en) * | 1974-01-07 | 1977-01-25 | Johnson & Johnson | Process for preparation of alkali cellulose ester sulfates |
US3897782A (en) * | 1974-01-07 | 1975-08-05 | Johnson & Johnson | Body fluid barrier films |
US4064342A (en) | 1974-07-30 | 1977-12-20 | Lion Fat And Oil Co., Ltd. | Method of manufacturing sulfated cellulose |
US4102340A (en) | 1974-12-09 | 1978-07-25 | Johnson & Johnson | Disposable article with particulate hydrophilic polymer in an absorbent bed |
SE430609B (sv) | 1976-12-21 | 1983-11-28 | Sca Development Ab | Sett att ur cellulosaderivat framstella absorberande material |
DE2710874A1 (de) | 1977-03-12 | 1978-09-14 | Hoechst Ag | Wasserdampfaufnahmefaehiges gebundenes faservlies |
US4294731A (en) | 1979-05-17 | 1981-10-13 | Akzona Incorporated | Method for drying absorbent modified cellulosic polymers and the like |
US4273118A (en) | 1979-06-04 | 1981-06-16 | Avtex Fibers Inc. | Fibers of high fluid holding capacity |
IT1121850B (it) | 1979-06-20 | 1986-04-23 | Montedison Spa | Pol-carbossi-alchil-cellulose ad ritezione dei fluidi e processo per la loro preparazione |
US4242506A (en) | 1979-07-05 | 1980-12-30 | Schweiger Richard Georg | Cross-linking of cellulose sulfate esters with tetravalent metal ions |
US4418524A (en) | 1980-06-19 | 1983-12-06 | Kao Soap Co., Ltd. | Twisted yarn and twisted bundle of yarns |
US4368323A (en) | 1981-09-21 | 1983-01-11 | Personal Products Company | Substantive wetting agents for absorbent materials |
JPS6038401A (ja) | 1983-08-12 | 1985-02-28 | Daicel Chem Ind Ltd | 繊維素グリコ−ル酸カルシウムの新規な製造法 |
US4480091A (en) | 1983-10-31 | 1984-10-30 | Eastman Kodak Company | Process for preparing cellulose sulfate esters |
US4734478A (en) | 1984-07-02 | 1988-03-29 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Water absorbing agent |
US4708771A (en) | 1984-12-31 | 1987-11-24 | Bear Island Paper Company | Two stage process for sulfonating mechanical pulp fibers |
US5089089A (en) | 1984-12-31 | 1992-02-18 | Bear Island Paper Company | System for sulfonating mechanical pulp fibers |
US4689408A (en) | 1985-05-14 | 1987-08-25 | Hercules Incorporated | Method of preparing salts of carboxymethylcellulose |
JPS61293228A (ja) | 1985-06-21 | 1986-12-24 | Arakawa Chem Ind Co Ltd | 吸水性樹脂の製法 |
US5144021A (en) | 1985-10-18 | 1992-09-01 | Weyerhaeuser Company | Reticulated cellulose and methods and microorganisms for the production thereof |
US4929722A (en) | 1986-06-06 | 1990-05-29 | Union Carbide Chemicals And Plastics Company Inc. | Acid decrystallization of aminopolysaccharides and derivatives thereof |
US5225047A (en) * | 1987-01-20 | 1993-07-06 | Weyerhaeuser Company | Crosslinked cellulose products and method for their preparation |
US4801699A (en) | 1987-03-09 | 1989-01-31 | National Starch And Chemical Corporation | Polysaccharide esters containing acetal and aldehyde groups |
DE3723897A1 (de) | 1987-07-18 | 1989-01-26 | Akzo Gmbh | Cellulosederivate und daraus hergestellte fasern und membranen |
US6174999B1 (en) | 1987-09-18 | 2001-01-16 | Genzyme Corporation | Water insoluble derivatives of polyanionic polysaccharides |
EP0339200A1 (de) | 1988-02-25 | 1989-11-02 | Akzo Nobel N.V. | Modifizierte Cellulose für biocompatible Dialysemembranen III und Verfahren zu deren Herstellung |
EP0330134A1 (de) | 1988-02-25 | 1989-08-30 | Akzo Nobel N.V. | Modifizierte Cellulose für biocompatible Dialysemembranen IV und Verfahren zu deren Herstellung |
EP0330106A1 (de) | 1988-02-25 | 1989-08-30 | Akzo Nobel N.V. | Modifizierte Cellulose für biocompatible Dialysemembranen II und Verfahren zu deren Herstellung |
US4952550A (en) | 1989-03-09 | 1990-08-28 | Micro Vesicular Systems, Inc. | Particulate absorbent material |
US5137537A (en) | 1989-11-07 | 1992-08-11 | The Procter & Gamble Cellulose Company | Absorbent structure containing individualized, polycarboxylic acid crosslinked wood pulp cellulose fibers |
US5053029A (en) * | 1990-01-12 | 1991-10-01 | Chicopee | Absorbent peat moss board product |
US5167654A (en) * | 1990-01-12 | 1992-12-01 | Chicopee | Disposable urine and fecal waste containment product |
US5149335A (en) | 1990-02-23 | 1992-09-22 | Kimberly-Clark Corporation | Absorbent structure |
US5474915A (en) | 1990-05-08 | 1995-12-12 | University Of Iowa Research Foundation | Method of making poly(sugar acrylates) using hydrolytic enzymes |
DE4021049A1 (de) | 1990-06-29 | 1992-01-02 | Akad Wissenschaften Ddr | Verfahren zur herstellung wasserloeslicher cellulosesulfate mit hoher loesungsviskositaet |
US5116921A (en) | 1990-11-15 | 1992-05-26 | Phillips Petroleum Company | Superabsorbent crosslinked ampholytic ion pair copolymers |
EP0533946A4 (en) | 1991-03-26 | 1995-06-07 | Otsuka Pharma Co Ltd | Adsorbed cellular fibronectin and process for separating and purifying fibronectins |
US5731259A (en) | 1991-05-03 | 1998-03-24 | Societa Consortile Ricerche Angelini S.P.A. | Cationic polysaccharides |
US5247072A (en) | 1991-10-25 | 1993-09-21 | Kimberly-Clark Corporation | Carboxyalkyl polysaccharides having improved absorbent properties and process for the preparation thereof |
US5502082A (en) | 1991-12-20 | 1996-03-26 | Alliedsignal Inc. | Low density materials having good compression strength and articles formed therefrom |
CA2072918A1 (en) | 1992-02-14 | 1993-08-15 | Jian Qin | Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
US5550189A (en) | 1992-04-17 | 1996-08-27 | Kimberly-Clark Corporation | Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
CA2076732C (en) | 1992-04-17 | 2006-05-09 | Kimberly-Clark Worldwide, Inc. | Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
DE4225761A1 (de) | 1992-08-04 | 1994-02-10 | Wolff Walsrode Ag | Verfahren zur Herstellung einer lagerstabilen niedrigveresterten alkohol- oder wasserfeuchten Nitrocellulose |
EP0614696A4 (en) | 1992-09-25 | 1995-04-26 | Otsuka Pharma Co Ltd | ADSORBENT FOR CELLULAR FIBRONECTIN, SEPARATION AND PURIFICATION OF FIBRONECTIN, AND PURIFICATION OF BLOOD. |
US5371208A (en) | 1992-12-30 | 1994-12-06 | Guest Elchrom Scientific Ltd. | Preparation of cross-linked linear polysaccharide polymers as gels for electrophoresis |
CA2089117A1 (en) | 1993-02-09 | 1994-08-10 | J. Ming Zhuang | Method of improving the acetylation of cellulose |
JP3274550B2 (ja) | 1993-08-03 | 2002-04-15 | 株式会社日本触媒 | 吸水材の製法 |
US5405953A (en) | 1993-08-03 | 1995-04-11 | Biocontrol Incorporated | Microfibrillated oxycellulose |
US5770583A (en) | 1994-01-25 | 1998-06-23 | Schering-Plough Healthcare Products, Inc. | Stable sulfide compositions uses and process for preparation thereof |
IT1267497B1 (it) | 1994-11-10 | 1997-02-05 | P & G Spa | Polimero anionico, ad esempio di tipo superassorbente e relativo procedimento di produzione. |
US5780616A (en) | 1994-11-10 | 1998-07-14 | The Procter & Gamble Company | Cationic polymer |
US5599916A (en) | 1994-12-22 | 1997-02-04 | Kimberly-Clark Corporation | Chitosan salts having improved absorbent properties and process for the preparation thereof |
US6107538A (en) | 1995-01-10 | 2000-08-22 | The Procter & Gamble Company | Absorbent members for absorbing body liquids |
US5498705A (en) | 1995-02-22 | 1996-03-12 | Kimberly-Clark Corporation | Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
EP0813626A1 (en) * | 1995-03-06 | 1997-12-29 | Weyerhaeuser Company | Fibrous web having improved strength and method of making the same |
DE19519025C1 (de) | 1995-05-24 | 1996-12-05 | Hoechst Ag | Hochgradig mit Alkylsulfonsäureresten veretherte Stärke |
US5739316A (en) | 1995-05-26 | 1998-04-14 | Sartorius Ag | Cross-linked cellulose hydrate membranes |
US5612321A (en) | 1995-06-22 | 1997-03-18 | Hercules Incorporated | Antioxidant grafted polysaccharides |
US5766159A (en) | 1995-07-06 | 1998-06-16 | International Paper Company | Personal hygiene articles for absorbing fluids |
US5703225A (en) | 1995-12-13 | 1997-12-30 | Kimberly-Clark Worldwide, Inc. | Sulfonated cellulose having improved absorbent properties |
US6293935B1 (en) * | 1996-05-28 | 2001-09-25 | Kao Corporation | Absorbent article with liquid shrinkable elements |
AU3144697A (en) * | 1996-05-30 | 1998-01-05 | Shell Oil Company | Process to prepare low density porous cross-linked polymeric materials |
JPH105329A (ja) | 1996-06-21 | 1998-01-13 | Kanegafuchi Chem Ind Co Ltd | 直接血液灌流に用いる吸着体用担体およびその小粒径化法 |
US6020536A (en) | 1996-06-28 | 2000-02-01 | Sca Hygiene Products Ab | Absorbent body for absorbent articles |
CA2283759A1 (en) | 1997-03-17 | 1998-09-24 | Monsanto Company | Reticulated bacterial cellulose as a rheological modifier for polyol fluid compositions |
JP3535958B2 (ja) | 1997-09-04 | 2004-06-07 | ユニ・チャーム株式会社 | 体液吸収性物品 |
AU9634898A (en) | 1997-10-17 | 1999-05-10 | Innovative Technologies Limited | Foam materials |
US5998606A (en) | 1997-11-10 | 1999-12-07 | Grandics; Peter | Mn(IV)-mediated crosslinking and functionalization of chromatography media |
US5981689A (en) | 1997-11-19 | 1999-11-09 | Amcol International Corporation | Poly(vinylamine)-based superabsorbent gels and method of manufacturing the same |
US5948829A (en) | 1997-11-25 | 1999-09-07 | Kimberly-Clark Worldwide, Inc. | Process for preparing an absorbent foam |
US6135987A (en) | 1997-12-22 | 2000-10-24 | Kimberly-Clark Worldwide, Inc. | Synthetic fiber |
US5938995A (en) * | 1998-02-06 | 1999-08-17 | Air Products And Chemicals, Inc. | Compression resistant cellulosic-based fabrics having high rates of absorbency |
US6083211A (en) | 1998-03-13 | 2000-07-04 | The Procter & Gamble Company | High suction polymeric foam materials |
IT1303738B1 (it) | 1998-11-11 | 2001-02-23 | Aquisitio S P A | Processo di reticolazione di polisaccaridi carbossilati. |
US6602994B1 (en) | 1999-02-10 | 2003-08-05 | Hercules Incorporated | Derivatized microfibrillar polysaccharide |
US6107356A (en) | 1999-08-23 | 2000-08-22 | The Procter & Gamble Company | High suction polymeric foam materials |
JP2003520302A (ja) | 2000-01-19 | 2003-07-02 | ウェヤーハウザー・カンパニー | 高吸収性セルロース系繊維 |
US6500947B1 (en) * | 2001-08-24 | 2002-12-31 | Weyerhaeuser Company | Superabsorbent polymer |
-
2001
- 2001-08-24 US US09/939,182 patent/US6500947B1/en not_active Expired - Lifetime
-
2002
- 2002-08-05 US US10/213,210 patent/US6951933B2/en not_active Expired - Lifetime
- 2002-08-13 JP JP2003522587A patent/JP2005504135A/ja active Pending
- 2002-08-13 NZ NZ531363A patent/NZ531363A/en unknown
- 2002-08-13 KR KR10-2004-7002693A patent/KR20040044479A/ko not_active Application Discontinuation
- 2002-08-13 WO PCT/US2002/025717 patent/WO2003018072A2/en not_active Application Discontinuation
- 2002-08-13 BR BR0212079-8A patent/BR0212079A/pt not_active IP Right Cessation
- 2002-08-13 CN CNA028165322A patent/CN1547591A/zh active Pending
- 2002-08-13 RU RU2004104944/15A patent/RU2260471C1/ru not_active IP Right Cessation
- 2002-08-13 EP EP02753458A patent/EP1423434A4/en not_active Withdrawn
- 2002-08-13 CA CA002457792A patent/CA2457792A1/en not_active Abandoned
- 2002-08-13 MX MXPA04001670A patent/MXPA04001670A/es not_active Application Discontinuation
-
2004
- 2004-02-13 ZA ZA200401195A patent/ZA200401195B/en unknown
- 2004-02-23 NO NO20040778A patent/NO20040778L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
MXPA04001670A (es) | 2004-05-31 |
JP2005504135A (ja) | 2005-02-10 |
US6500947B1 (en) | 2002-12-31 |
EP1423434A4 (en) | 2004-12-08 |
KR20040044479A (ko) | 2004-05-28 |
RU2004104944A (ru) | 2005-06-27 |
BR0212079A (pt) | 2004-09-28 |
CA2457792A1 (en) | 2003-03-06 |
EP1423434A2 (en) | 2004-06-02 |
WO2003018072A2 (en) | 2003-03-06 |
RU2260471C1 (ru) | 2005-09-20 |
NZ531363A (en) | 2004-08-27 |
CN1547591A (zh) | 2004-11-17 |
WO2003018072A3 (en) | 2004-02-26 |
US20030045707A1 (en) | 2003-03-06 |
US6951933B2 (en) | 2005-10-04 |
NO20040778L (no) | 2004-02-23 |
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