CA2116035A1 - Polymeres superabsorbants et methode de preparation - Google Patents

Polymeres superabsorbants et methode de preparation

Info

Publication number: CA2116035A1
Authority: CA; Canada
Prior art keywords: polymer; grams; gram; crosslinking agent; heat
Prior art date: 1991-09-09
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.): Abandoned

Application number

CA 2116035

Other languages

English (en)

Inventor

Fredric L. Buchholz

Sergio S. Cutie

James P. Easterly, Jr.

Jack C. Lamphere

Frederick W. Stanley

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Dow Chemical Co

Original Assignee

Individual

Priority date (The priority date 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 date listed.)

1991-09-09

Filing date

1992-09-09

Publication date

1993-03-18

1992-09-09 Application filed by Individual filed Critical Individual

1993-03-18 Publication of CA2116035A1 publication Critical patent/CA2116035A1/fr

Status Abandoned legal-status Critical Current

Links

229920000247 superabsorbent polymer Polymers 0.000 title claims abstract description 16
238000000034 method Methods 0.000 title claims description 38
230000008569 process Effects 0.000 title claims description 30
239000004583 superabsorbent polymers (SAPs) Substances 0.000 title abstract description 6
229920000642 polymer Polymers 0.000 claims abstract description 77
239000000178 monomer Substances 0.000 claims abstract description 57
239000003431 cross linking reagent Substances 0.000 claims abstract description 40
238000010438 heat treatment Methods 0.000 claims abstract description 39
150000003839 salts Chemical class 0.000 claims abstract description 12
150000002148 esters Chemical class 0.000 claims abstract description 10
FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 claims abstract description 10
LVKKFNORSNCNPP-UHFFFAOYSA-N 2,2-bis(prop-2-enoylamino)acetic acid Chemical compound C=CC(=O)NC(C(=O)O)NC(=O)C=C LVKKFNORSNCNPP-UHFFFAOYSA-N 0.000 claims abstract description 9
ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims abstract description 9
150000001408 amides Chemical class 0.000 claims abstract description 8
QTECDUFMBMSHKR-UHFFFAOYSA-N prop-2-enyl prop-2-enoate Chemical compound C=CCOC(=O)C=C QTECDUFMBMSHKR-UHFFFAOYSA-N 0.000 claims abstract description 7
238000001035 drying Methods 0.000 claims abstract description 5
230000000379 polymerizing effect Effects 0.000 claims abstract description 4
239000012632 extractable Substances 0.000 claims description 24
239000002253 acid Substances 0.000 claims description 17
NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 14
239000003999 initiator Substances 0.000 claims description 14
239000002250 absorbent Substances 0.000 claims description 11
230000002745 absorbent Effects 0.000 claims description 11
BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical group COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 8
NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 7
CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 7
DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 claims description 6
230000003247 decreasing effect Effects 0.000 claims description 6
229940096522 trimethylolpropane triacrylate Drugs 0.000 claims description 6
229920002554 vinyl polymer Polymers 0.000 claims description 6
125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 5
125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 5
229910052783 alkali metal Inorganic materials 0.000 claims description 4
-1 alkali metal salts Chemical class 0.000 claims description 4
DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 claims description 3
206010021639 Incontinence Diseases 0.000 claims description 3
CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 3
150000007513 acids Chemical class 0.000 claims description 3
239000008346 aqueous phase Substances 0.000 claims description 3
JKJWYKGYGWOAHT-UHFFFAOYSA-N bis(prop-2-enyl) carbonate Chemical compound C=CCOC(=O)OCC=C JKJWYKGYGWOAHT-UHFFFAOYSA-N 0.000 claims description 3
IQIJRJNHZYUQSD-UHFFFAOYSA-N ethenyl(phenyl)diazene Chemical compound C=CN=NC1=CC=CC=C1 IQIJRJNHZYUQSD-UHFFFAOYSA-N 0.000 claims description 3
STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 claims description 3
230000000717 retained effect Effects 0.000 claims description 3
VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 2
239000000835 fiber Substances 0.000 claims description 2
125000005399 allylmethacrylate group Chemical group 0.000 claims 1
239000000243 solution Substances 0.000 description 24
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
238000006116 polymerization reaction Methods 0.000 description 19
239000000203 mixture Substances 0.000 description 13
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 12
239000007864 aqueous solution Substances 0.000 description 11
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 10
239000002738 chelating agent Substances 0.000 description 9
238000006243 chemical reaction Methods 0.000 description 9
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 8
229920002451 polyvinyl alcohol Polymers 0.000 description 8
239000000126 substance Substances 0.000 description 8
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
LQPLDXQVILYOOL-UHFFFAOYSA-I pentasodium;2-[bis[2-[bis(carboxylatomethyl)amino]ethyl]amino]acetate Chemical group [Na+].[Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC(=O)[O-])CCN(CC([O-])=O)CC([O-])=O LQPLDXQVILYOOL-UHFFFAOYSA-I 0.000 description 7
LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 6
229940048053 acrylate Drugs 0.000 description 6
239000000463 material Substances 0.000 description 6
229910000029 sodium carbonate Inorganic materials 0.000 description 6
235000017550 sodium carbonate Nutrition 0.000 description 6
CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 6
239000004372 Polyvinyl alcohol Substances 0.000 description 5
239000002270 dispersing agent Substances 0.000 description 5
230000000694 effects Effects 0.000 description 5
238000006386 neutralization reaction Methods 0.000 description 5
235000019422 polyvinyl alcohol Nutrition 0.000 description 5
238000010521 absorption reaction Methods 0.000 description 4
239000003795 chemical substances by application Substances 0.000 description 4
229920006037 cross link polymer Polymers 0.000 description 4
239000012530 fluid Substances 0.000 description 4
239000011521 glass Substances 0.000 description 4
230000001965 increasing effect Effects 0.000 description 4
230000003472 neutralizing effect Effects 0.000 description 4
239000000843 powder Substances 0.000 description 4
IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 3
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
230000008901 benefit Effects 0.000 description 3
229920001477 hydrophilic polymer Polymers 0.000 description 3
229910052751 metal Inorganic materials 0.000 description 3
239000002184 metal Substances 0.000 description 3
229910052757 nitrogen Inorganic materials 0.000 description 3
235000010352 sodium erythorbate Nutrition 0.000 description 3
239000004320 sodium erythorbate Substances 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
238000011282 treatment Methods 0.000 description 3
HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-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
239000004677 Nylon Substances 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
LXEKPEMOWBOYRF-UHFFFAOYSA-N [2-[(1-azaniumyl-1-imino-2-methylpropan-2-yl)diazenyl]-2-methylpropanimidoyl]azanium;dichloride Chemical compound Cl.Cl.NC(=N)C(C)(C)N=NC(C)(C)C(N)=N LXEKPEMOWBOYRF-UHFFFAOYSA-N 0.000 description 2
150000001252 acrylic acid derivatives Chemical class 0.000 description 2
150000003863 ammonium salts Chemical class 0.000 description 2
239000003638 chemical reducing agent Substances 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
238000001816 cooling Methods 0.000 description 2
238000004132 cross linking Methods 0.000 description 2
125000004185 ester group Chemical group 0.000 description 2
235000013305 food Nutrition 0.000 description 2
150000002734 metacrylic acid derivatives Chemical class 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
229920001778 nylon Polymers 0.000 description 2
JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 2
BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
150000003254 radicals Chemical class 0.000 description 2
239000000376 reactant Substances 0.000 description 2
239000011541 reaction mixture Substances 0.000 description 2
239000011347 resin Substances 0.000 description 2
229920005989 resin Polymers 0.000 description 2
HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 2
AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 2
235000019345 sodium thiosulphate Nutrition 0.000 description 2
CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 2
238000002076 thermal analysis method Methods 0.000 description 2
LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 2
VWXLCWNPSOUPPE-UHFFFAOYSA-N (1-amino-2-methylpropylidene)azanium;chloride Chemical compound Cl.CC(C)C(N)=N VWXLCWNPSOUPPE-UHFFFAOYSA-N 0.000 description 1
PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
CCTFAOUOYLVUFG-UHFFFAOYSA-N 2-(1-amino-1-imino-2-methylpropan-2-yl)azo-2-methylpropanimidamide Chemical compound NC(=N)C(C)(C)N=NC(C)(C)C(N)=N CCTFAOUOYLVUFG-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
XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 1
CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical class CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
102100024133 Coiled-coil domain-containing protein 50 Human genes 0.000 description 1
239000004971 Cross linker Substances 0.000 description 1
101100382568 Danio rerio caspa gene Proteins 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
101000910772 Homo sapiens Coiled-coil domain-containing protein 50 Proteins 0.000 description 1
229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
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 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
241000220317 Rosa Species 0.000 description 1
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 1
229920002472 Starch Polymers 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
238000002835 absorbance Methods 0.000 description 1
HDYRYUINDGQKMC-UHFFFAOYSA-M acetyloxyaluminum;dihydrate Chemical compound O.O.CC(=O)O[Al] HDYRYUINDGQKMC-UHFFFAOYSA-M 0.000 description 1
238000012644 addition polymerization Methods 0.000 description 1
230000002411 adverse Effects 0.000 description 1
239000003513 alkali Substances 0.000 description 1
150000008044 alkali metal hydroxides Chemical class 0.000 description 1
150000001340 alkali metals Chemical class 0.000 description 1
125000003545 alkoxy group Chemical group 0.000 description 1
125000005907 alkyl ester group Chemical group 0.000 description 1
229940009827 aluminum acetate Drugs 0.000 description 1
150000001412 amines Chemical class 0.000 description 1
ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 1
VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 description 1
229910001870 ammonium persulfate Inorganic materials 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
239000012736 aqueous medium Substances 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
210000001124 body fluid Anatomy 0.000 description 1
239000010839 body fluid Substances 0.000 description 1
125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
150000004649 carbonic acid derivatives Chemical class 0.000 description 1
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
239000001768 carboxy methyl cellulose Substances 0.000 description 1
235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
239000008112 carboxymethyl-cellulose Substances 0.000 description 1
229920003086 cellulose ether Polymers 0.000 description 1
238000005119 centrifugation Methods 0.000 description 1
230000008859 change Effects 0.000 description 1
239000003153 chemical reaction reagent Substances 0.000 description 1
239000000470 constituent Substances 0.000 description 1
LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 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
238000013461 design Methods 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
229910001873 dinitrogen Inorganic materials 0.000 description 1
230000003028 elevating effect Effects 0.000 description 1
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
238000010528 free radical solution polymerization reaction Methods 0.000 description 1
239000001530 fumaric acid Substances 0.000 description 1
125000000524 functional group Chemical group 0.000 description 1
239000007789 gas Substances 0.000 description 1
238000004817 gas chromatography Methods 0.000 description 1
229920000578 graft copolymer Polymers 0.000 description 1
125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
LNMQRPPRQDGUDR-UHFFFAOYSA-N hexyl prop-2-enoate Chemical class CCCCCCOC(=O)C=C LNMQRPPRQDGUDR-UHFFFAOYSA-N 0.000 description 1
125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
239000001863 hydroxypropyl cellulose Substances 0.000 description 1
235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
230000006872 improvement Effects 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
LDHQCZJRKDOVOX-IHWYPQMZSA-N isocrotonic acid Chemical compound C\C=C/C(O)=O LDHQCZJRKDOVOX-IHWYPQMZSA-N 0.000 description 1
125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
239000007788 liquid Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000004949 mass spectrometry Methods 0.000 description 1
238000005259 measurement Methods 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
229920000609 methyl cellulose Polymers 0.000 description 1
239000001923 methylcellulose Substances 0.000 description 1
235000010981 methylcellulose Nutrition 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
238000002156 mixing Methods 0.000 description 1
QYZFTMMPKCOTAN-UHFFFAOYSA-N n-[2-(2-hydroxyethylamino)ethyl]-2-[[1-[2-(2-hydroxyethylamino)ethylamino]-2-methyl-1-oxopropan-2-yl]diazenyl]-2-methylpropanamide Chemical compound OCCNCCNC(=O)C(C)(C)N=NC(C)(C)C(=O)NCCNCCO QYZFTMMPKCOTAN-UHFFFAOYSA-N 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
150000002978 peroxides Chemical class 0.000 description 1
230000000704 physical effect Effects 0.000 description 1
229920003217 poly(methylsilsesquioxane) Polymers 0.000 description 1
229920000058 polyacrylate Polymers 0.000 description 1
229920000307 polymer substrate Polymers 0.000 description 1
239000003505 polymerization initiator Substances 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
229910000027 potassium carbonate Inorganic materials 0.000 description 1
125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
230000005855 radiation Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000009877 rendering Methods 0.000 description 1
239000012266 salt solution Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229940047670 sodium acrylate Drugs 0.000 description 1
239000008107 starch Substances 0.000 description 1
235000019698 starch Nutrition 0.000 description 1
239000010959 steel Substances 0.000 description 1
239000000758 substrate Substances 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
238000010557 suspension polymerization reaction Methods 0.000 description 1
238000002411 thermogravimetry Methods 0.000 description 1
VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
238000012546 transfer Methods 0.000 description 1
229920003169 water-soluble polymer Polymers 0.000 description 1

Classifications

- 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
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments

Landscapes

Health & Medical Sciences (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Dispersion Chemistry (AREA)
Hematology (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Epidemiology (AREA)
Life Sciences & Earth Sciences (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Absorbent Articles And Supports Therefor (AREA)

CA 2116035 1991-09-09 1992-09-09 Polymeres superabsorbants et methode de preparation Abandoned CA2116035A1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US75673191A	1991-09-09	1991-09-09
US07/756,731		1991-09-09

Publications (1)

Publication Number	Publication Date
CA2116035A1 true CA2116035A1 (fr)	1993-03-18

Family

ID=25044811

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2116035 Abandoned CA2116035A1 (fr)	1991-09-09	1992-09-09	Polymeres superabsorbants et methode de preparation

Country Status (5)

Country	Link
EP (1)	EP0603292A1 (fr)
JP (1)	JPH06510557A (fr)
AU (1)	AU663336B2 (fr)
CA (1)	CA2116035A1 (fr)
WO (1)	WO1993005080A1 (fr)

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WO2005014064A1 (fr)	2003-08-06	2005-02-17	Basf Aktiengesselschaft	Materiau gonflable dans l'eau comprenant des polymeres gonflables dans l'eau, revetus
EP1518567B1 (fr)	2003-09-25	2017-06-28	The Procter & Gamble Company	Articles absorbants comprenant des zones d'acquisition et des particules revêtues et superabsorbantes
DE60320255T2 (de)	2003-09-25	2009-05-14	The Procter & Gamble Company, Cincinnati	Absorbierende Artikel enthaltend superabsorbierende Polymerpartikeln, mit einer nicht-kovalent gebundenen Beschichtung
CN100528940C (zh)	2004-03-30	2009-08-19	巴斯福股份公司	制备超吸收性聚合物的改进方法
US8846823B2 (en)	2004-05-07	2014-09-30	Nippon Shokubai Co., Ltd.	Water absorbing agent and production method thereof
EP1621561A1 (fr) *	2004-07-28	2006-02-01	The Procter & Gamble Company	Polymères du type superabsorbant
CA2596889A1 (fr)	2005-02-04	2006-08-10	The Procter & Gamble Company	Structure absorbante comprenant une matiere amelioree absorbant l'eau
US7750085B2 (en)	2005-03-14	2010-07-06	Nippon Shokubai Co., Ltd.	Water-absorbing agent and its production process
TW200635969A (en) *	2005-04-06	2006-10-16	Nippon Catalytic Chem Ind	Particulate water absorbing agent, water-absorbent core and absorbing article
TWI344469B (en)	2005-04-07	2011-07-01	Nippon Catalytic Chem Ind	Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin
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TWI394789B (zh)	2005-12-22	2013-05-01	Nippon Catalytic Chem Ind	吸水性樹脂組成物及其製造方法、吸收性物品
US20070219521A1 (en)	2006-03-17	2007-09-20	The Procter & Gamble Company	Absorbent article comprising a synthetic polymer derived from a renewable resource and methods of producing said article
EP1837348B9 (fr)	2006-03-24	2020-01-08	Nippon Shokubai Co.,Ltd.	Résine absorbant l'eau et son procédé de fabrication
SA08290542B1 (ar)	2007-08-28	2012-11-14	نيبون شوكوباي كو. ، ليمتد	طريقة لإنتاج راتنج ماص للماء
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EP2471846B1 (fr)	2009-08-27	2016-12-21	Nippon Shokubai Co., Ltd.	Résine absorbant l'eau de (sel) acide polyacrylique et son procédé de fabrication
JP5801203B2 (ja)	2009-09-29	2015-10-28	株式会社日本触媒	粒子状吸水剤及びその製造方法
EP2535369B1 (fr)	2010-02-10	2021-03-24	Nippon Shokubai Co., Ltd.	Procédé de production d'une poudre de résine absorbant l'eau
JP5632906B2 (ja)	2010-03-12	2014-11-26	株式会社日本触媒	吸水性樹脂の製造方法
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1992
- 1992-09-09 WO PCT/US1992/007611 patent/WO1993005080A1/fr not_active Ceased
- 1992-09-09 JP JP5505477A patent/JPH06510557A/ja active Pending
- 1992-09-09 AU AU25905/92A patent/AU663336B2/en not_active Ceased
- 1992-09-09 EP EP92919743A patent/EP0603292A1/fr not_active Ceased
- 1992-09-09 CA CA 2116035 patent/CA2116035A1/fr not_active Abandoned

Also Published As

Publication number	Publication date
AU663336B2 (en)	1995-10-05
EP0603292A1 (fr)	1994-06-29
JPH06510557A (ja)	1994-11-24
AU2590592A (en)	1993-04-05
WO1993005080A1 (fr)	1993-03-18

Legal Events

Date	Code	Title	Description
1998-09-09	FZDE	Dead

Publication	Publication Date	Title
CA2116035A1 (fr)	1993-03-18	Polymeres superabsorbants et methode de preparation
US5629377A (en)	1997-05-13	Water absorbent resin particles of crosslinked carboxyl containing polymers and method of preparation
EP0312952B1 (fr)	1994-01-19	Procédé de préparation de polymères absorbants
US6914099B2 (en)	2005-07-05	Water absorbent resin particles of crosslinked carboxyl-containing polymers with low monomer content
EP0636149B1 (fr)	1996-05-15	Resines hydrophiles reticulees et procede de preparation
EP0514775B1 (fr)	1996-03-20	Procédé de préparation d'un polymère superabsorbant
KR100441472B1 (ko)	2004-10-08	물및수성액체용흡수제와이의제조방법및용도
US5385983A (en)	1995-01-31	Process for preparing a water-absorbent polymer
EP0688340B1 (fr)	1997-08-27	Particules de resine absorbant l'eau de polymeres contenant du carboxyle reticule et procede de preparation associe
US5447727A (en)	1995-09-05	Water-absorbent polymer having improved properties
EP1466928B2 (fr)	2018-10-03	Procede de production d'une resine absorbant l'eau
US20050245684A1 (en)	2005-11-03	Water absorbing agent and method for the production thereof
WO1994009043A1 (fr)	1994-04-28	Polymere absorbant l'eau presentant de meilleures proprietes
AU7639394A (en)	1995-03-21	Aqueous fluid absorbent polymers having a superior balance of absorptive properties
US20050013865A1 (en)	2005-01-20	Super-absorbing polymers containing tocopherol
US20050154146A1 (en)	2005-07-14	Process for the preparation of iron ion containing water-absorbent polymers with low residual monomer content
JPH0826085B2 (ja)	1996-03-13	耐久性の優れた吸水性樹脂の製造方法
US5416160A (en)	1995-05-16	Water-swellable polymers having improved color
WO2006134085A1 (fr)	2006-12-21	Polymeres formant des hydrogels, presentant une permeabilite amelioree et une capacite d'absorption elevee
EP1736508A1 (fr)	2006-12-27	Polymères formant des hydrogels avec perméabilité améliorée et haute capacité d'absorption