DE69118224T2 - Verfahren zur Herstellung eines wasserabsorbierenden Harzes - Google Patents
Verfahren zur Herstellung eines wasserabsorbierenden HarzesInfo
- Publication number
- DE69118224T2 DE69118224T2 DE69118224T DE69118224T DE69118224T2 DE 69118224 T2 DE69118224 T2 DE 69118224T2 DE 69118224 T DE69118224 T DE 69118224T DE 69118224 T DE69118224 T DE 69118224T DE 69118224 T2 DE69118224 T2 DE 69118224T2
- Authority
- DE
- Germany
- Prior art keywords
- water
- polymerization
- stage
- process according
- wetting agent
- 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.)
- Expired - Lifetime
Links
- 239000002250 absorbent Substances 0.000 title claims description 66
- 229920005989 resin Polymers 0.000 title claims description 64
- 239000011347 resin Substances 0.000 title claims description 64
- 238000000034 method Methods 0.000 title claims description 28
- 238000006116 polymerization reaction Methods 0.000 claims description 92
- 239000000243 solution Substances 0.000 claims description 58
- 239000000178 monomer Substances 0.000 claims description 43
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 39
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 36
- 239000000080 wetting agent Substances 0.000 claims description 34
- -1 sorbitan fatty acid esters Chemical class 0.000 claims description 28
- 239000000084 colloidal system Substances 0.000 claims description 25
- 230000001681 protective effect Effects 0.000 claims description 25
- 239000007864 aqueous solution Substances 0.000 claims description 18
- 239000003431 cross linking reagent Substances 0.000 claims description 17
- 238000010557 suspension polymerization reaction Methods 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 13
- 239000007870 radical polymerization initiator Substances 0.000 claims description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 9
- 239000000194 fatty acid Substances 0.000 claims description 9
- 229930195729 fatty acid Natural products 0.000 claims description 9
- 239000004215 Carbon black (E152) Substances 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 229920001223 polyethylene glycol Polymers 0.000 claims description 8
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical group NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 7
- 229930195733 hydrocarbon Natural products 0.000 claims description 7
- 150000002430 hydrocarbons Chemical class 0.000 claims description 7
- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical group CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 claims description 6
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 6
- 239000001856 Ethyl cellulose Substances 0.000 claims description 6
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 229920001249 ethyl cellulose Polymers 0.000 claims description 6
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 6
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical group [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 6
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical group C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims description 5
- KUDUQBURMYMBIJ-UHFFFAOYSA-N 2-prop-2-enoyloxyethyl prop-2-enoate Chemical group C=CC(=O)OCCOC(=O)C=C KUDUQBURMYMBIJ-UHFFFAOYSA-N 0.000 claims description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 4
- 229930006000 Sucrose Natural products 0.000 claims description 4
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 claims description 4
- 229940088644 n,n-dimethylacrylamide Drugs 0.000 claims description 4
- YLGYACDQVQQZSW-UHFFFAOYSA-N n,n-dimethylprop-2-enamide Chemical compound CN(C)C(=O)C=C YLGYACDQVQQZSW-UHFFFAOYSA-N 0.000 claims description 4
- 239000005720 sucrose Substances 0.000 claims description 4
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 3
- 150000001447 alkali salts Chemical class 0.000 claims description 3
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 3
- 239000008096 xylene Substances 0.000 claims description 3
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 claims description 2
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 2
- 229920000896 Ethulose Polymers 0.000 claims description 2
- 239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 claims description 2
- 239000005062 Polybutadiene Substances 0.000 claims description 2
- 125000000129 anionic group Chemical group 0.000 claims description 2
- 125000004386 diacrylate group Chemical group 0.000 claims description 2
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 claims description 2
- 229920002857 polybutadiene Polymers 0.000 claims description 2
- 239000000600 sorbitol Substances 0.000 claims description 2
- AOBIOSPNXBMOAT-UHFFFAOYSA-N 2-[2-(oxiran-2-ylmethoxy)ethoxymethyl]oxirane Chemical compound C1OC1COCCOCC1CO1 AOBIOSPNXBMOAT-UHFFFAOYSA-N 0.000 claims 1
- 229920000223 polyglycerol Polymers 0.000 claims 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 33
- 239000002245 particle Substances 0.000 description 30
- 238000009826 distribution Methods 0.000 description 26
- 239000000843 powder Substances 0.000 description 25
- 238000010521 absorption reaction Methods 0.000 description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 13
- 241000047703 Nonion Species 0.000 description 11
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 230000002745 absorbent Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 229910001873 dinitrogen Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 5
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 5
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 4
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 4
- 239000011976 maleic acid Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 239000012948 isocyanate Substances 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- 230000003472 neutralizing effect Effects 0.000 description 3
- 239000001587 sorbitan monostearate Substances 0.000 description 3
- 235000011076 sorbitan monostearate Nutrition 0.000 description 3
- 229940035048 sorbitan monostearate Drugs 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- LEJBBGNFPAFPKQ-UHFFFAOYSA-N 2-(2-prop-2-enoyloxyethoxy)ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOC(=O)C=C LEJBBGNFPAFPKQ-UHFFFAOYSA-N 0.000 description 2
- XFCMNSHQOZQILR-UHFFFAOYSA-N 2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOC(=O)C(C)=C XFCMNSHQOZQILR-UHFFFAOYSA-N 0.000 description 2
- XZIIFPSPUDAGJM-UHFFFAOYSA-N 6-chloro-2-n,2-n-diethylpyrimidine-2,4-diamine Chemical compound CCN(CC)C1=NC(N)=CC(Cl)=N1 XZIIFPSPUDAGJM-UHFFFAOYSA-N 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- 239000004641 Diallyl-phthalate Substances 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
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 2
- LWZFANDGMFTDAV-BURFUSLBSA-N [(2r)-2-[(2r,3r,4s)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O LWZFANDGMFTDAV-BURFUSLBSA-N 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 229920000578 graft copolymer Polymers 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002175 menstrual effect Effects 0.000 description 2
- 125000005395 methacrylic acid group Chemical group 0.000 description 2
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 2
- GDOPTJXRTPNYNR-UHFFFAOYSA-N methylcyclopentane Chemical compound CC1CCCC1 GDOPTJXRTPNYNR-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000003505 polymerization initiator Substances 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229940035044 sorbitan monolaurate Drugs 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 2
- 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 1
- JJBFVQSGPLGDNX-UHFFFAOYSA-N 2-(2-methylprop-2-enoyloxy)propyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)COC(=O)C(C)=C JJBFVQSGPLGDNX-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- AUZRCMMVHXRSGT-UHFFFAOYSA-N 2-methylpropane-1-sulfonic acid;prop-2-enamide Chemical compound NC(=O)C=C.CC(C)CS(O)(=O)=O AUZRCMMVHXRSGT-UHFFFAOYSA-N 0.000 description 1
- VFZKVQVQOMDJEG-UHFFFAOYSA-N 2-prop-2-enoyloxypropyl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(=O)C=C VFZKVQVQOMDJEG-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- MZVQCMJNVPIDEA-UHFFFAOYSA-N [CH2]CN(CC)CC Chemical group [CH2]CN(CC)CC MZVQCMJNVPIDEA-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000005037 alkyl phenyl group Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000012272 crop production Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- GKIPXFAANLTWBM-UHFFFAOYSA-N epibromohydrin Chemical compound BrCC1CO1 GKIPXFAANLTWBM-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- CYKDLUMZOVATFT-UHFFFAOYSA-N ethenyl acetate;prop-2-enoic acid Chemical compound OC(=O)C=C.CC(=O)OC=C CYKDLUMZOVATFT-UHFFFAOYSA-N 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000012966 redox initiator Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical class NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 239000007762 w/o emulsion Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/04—Acids, Metal salts or ammonium salts thereof
- C08F20/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/32—Polymerisation in water-in-oil emulsions
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Hematology (AREA)
- Dispersion Chemistry (AREA)
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- Engineering & Computer Science (AREA)
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Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022774A JP2938920B2 (ja) | 1990-01-31 | 1990-01-31 | 吸水性樹脂の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69118224D1 DE69118224D1 (de) | 1996-05-02 |
| DE69118224T2 true DE69118224T2 (de) | 1996-09-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69118224T Expired - Lifetime DE69118224T2 (de) | 1990-01-31 | 1991-01-25 | Verfahren zur Herstellung eines wasserabsorbierenden Harzes |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5180798A (enExample) |
| EP (1) | EP0441507B1 (enExample) |
| JP (1) | JP2938920B2 (enExample) |
| KR (1) | KR0174745B1 (enExample) |
| CN (1) | CN1023486C (enExample) |
| BR (1) | BR9100398A (enExample) |
| CA (1) | CA2034293C (enExample) |
| DE (1) | DE69118224T2 (enExample) |
| ES (1) | ES2087967T3 (enExample) |
| TW (1) | TW228528B (enExample) |
Families Citing this family (119)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3175791B2 (ja) * | 1992-06-10 | 2001-06-11 | 株式会社日本触媒 | 吸水剤の製造方法 |
| FR2694757B1 (fr) * | 1992-08-12 | 1994-10-07 | Atochem Elf Sa | Procédé pour la préparation de polyacrylates superabsorbants à faible teneur en monomères résiduels. |
| FR2694756B1 (fr) * | 1992-08-12 | 1994-10-07 | Atochem Elf Sa | Perfectionnement pour la préparation de polyacrylates superabsorbants. |
| FR2694755B1 (fr) * | 1992-08-12 | 1994-09-23 | Atochem Elf Sa | Perfectionnement pour la préparation de poudre superabsorbantes par polymérisation en suspension inverse de monomères acryliques. |
| JP3005124B2 (ja) * | 1992-09-10 | 2000-01-31 | 花王株式会社 | 不定形重合体粒子の製造方法 |
| FR2710342B1 (fr) * | 1993-09-21 | 1995-11-17 | Atochem Elf Sa | Polymères acryliques superabsorbants à propriétés améliorées et leur procédé d'obtention. |
| GB9413605D0 (en) * | 1994-07-06 | 1994-08-24 | American Colloid Co | Method of increasing the size and absorption under load of super-absorbent fine particles by impregnation with an aqueous acrylic monomer solution |
| US5549590A (en) * | 1994-08-01 | 1996-08-27 | Leonard Pearlstein | High performance absorbent particles and methods of preparation |
| US5849816A (en) * | 1994-08-01 | 1998-12-15 | Leonard Pearlstein | Method of making high performance superabsorbent material |
| FR2732973B1 (fr) * | 1995-04-11 | 1997-06-13 | Atochem Elf Sa | Procede pour l'obtention de polymeres superabsorbants pour l'eau et les fluides aqueux sous forme d'agregats de particules |
| JPH0912613A (ja) * | 1995-06-28 | 1997-01-14 | Mitsubishi Chem Corp | 吸水性樹脂の製造方法 |
| JP4072833B2 (ja) | 1995-11-30 | 2008-04-09 | 住友精化株式会社 | 吸水性樹脂の製造方法および吸水性樹脂 |
| FR2744456A1 (fr) * | 1996-02-07 | 1997-08-08 | Atochem Elf Sa | Polymeres superabsorbants a structure coeur-coquille et leur procede d'obtention |
| FR2748404B1 (fr) | 1996-05-09 | 1998-07-24 | Atochem Elf Sa | Poudres superabsorbantes a forte absorption et forte sucion capillaire |
| FR2755693B1 (fr) * | 1996-11-14 | 1998-12-18 | Atochem Elf Sa | Procede pour l'obtention de polymeres hydrophiles a grande vitesse de dissolution ou de gonflement dans l'eau |
| JP3871445B2 (ja) * | 1998-09-02 | 2007-01-24 | 花王株式会社 | 高吸水性樹脂の製法 |
| US6414080B1 (en) * | 1999-06-09 | 2002-07-02 | Calgon Corporation | Inverse emulsion polymer and production thereof |
| ATE343364T1 (de) | 1999-06-09 | 2006-11-15 | Wella Ag | Verwendung von festen, gasifizierten teilchen für haarbehandlungen und diese enthaltendes haarbehandlungsmittel |
| KR100573865B1 (ko) * | 1999-08-31 | 2006-04-25 | 주식회사 새 한 | 발수성 및 제전성이 우수한 폴리에스테르 직물의 제조방법 |
| JP4766812B2 (ja) * | 1999-11-19 | 2011-09-07 | 株式会社日本触媒 | 多孔質架橋ポリマー材料の製造方法 |
| US7083810B2 (en) | 2000-04-19 | 2006-08-01 | Wella Aktiengesellschaft | Cosmetic agent in the form of a gel |
| KR100431536B1 (ko) * | 2001-02-14 | 2004-05-20 | 박상규 | pH변화를 이용한 식품 품질 식별표시계 |
| US20030153887A1 (en) * | 2001-04-16 | 2003-08-14 | Yasuhiro Nawata | Water-absorbing resin suitable for absorbing viscous liquids containing high-molecular compound, and absorbent and absorbent article each comprising the same |
| DE10150765A1 (de) | 2001-10-13 | 2003-04-17 | Wella Ag | Spitzenfolie zum Wickeln von Haaren und Verfahren zur dauerhaften Haarverformung |
| EP1456259B1 (en) * | 2001-12-19 | 2009-09-02 | Nippon Shokubai Co., Ltd. | Acrylic acid composition and its production process, and process for producing water-absorbent resin using this acrylic acid composition, and water-absorbent resin |
| JP3940009B2 (ja) * | 2002-03-18 | 2007-07-04 | 住友精化株式会社 | カルボキシル基含有水溶性重合体の製造方法 |
| DE10308317A1 (de) * | 2003-02-26 | 2004-09-09 | Giesecke & Devrient Gmbh | Verfahren zur Herstellung eines Resistsubstrats |
| US7713623B2 (en) | 2003-03-17 | 2010-05-11 | Sumitomo Seika Chemicals Co., Ltd. | Process for production of water-absorbing resin particles |
| EP1623998A1 (en) * | 2003-05-13 | 2006-02-08 | Sumitomo Seika Chemicals Co., Ltd. | Method for producing water-absorbing resin |
| JP4736316B2 (ja) * | 2003-10-21 | 2011-07-27 | Dic株式会社 | 高吸収性樹脂の製造方法 |
| JP4884009B2 (ja) * | 2003-12-25 | 2012-02-22 | 住友精化株式会社 | 吸水性樹脂の製造方法 |
| JP4969778B2 (ja) * | 2004-12-21 | 2012-07-04 | 住友精化株式会社 | 吸水性樹脂粒子の製造方法及びそれを用いた衛生材料 |
| KR100626552B1 (ko) * | 2005-04-06 | 2006-09-22 | 김수동 | 잔류단량제와 개시제 잔류물이 적게 함유된폴리아크릴아마이드 공중합체의 제조 |
| TWI353360B (en) * | 2005-04-07 | 2011-12-01 | Nippon Catalytic Chem Ind | Production process of polyacrylic acid (salt) wate |
| KR101245467B1 (ko) * | 2005-07-04 | 2013-03-25 | 스미또모 세이까 가부시키가이샤 | 흡수성 수지의 제조 방법 |
| JP4646830B2 (ja) * | 2005-10-27 | 2011-03-09 | 花王株式会社 | 吸収性物品 |
| 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 |
| CN100443553C (zh) * | 2006-03-23 | 2008-12-17 | 中国地质大学(武汉) | 含非晶态硅酸盐矿物的高吸水保水复合材料的制备方法 |
| CN100443554C (zh) * | 2006-03-23 | 2008-12-17 | 中国地质大学(武汉) | 含架状硅酸盐矿物的高吸水保水复合材料的制备方法 |
| EP1837348B9 (en) | 2006-03-24 | 2020-01-08 | Nippon Shokubai Co.,Ltd. | Water-absorbing resin and method for manufacturing the same |
| ATE523527T1 (de) * | 2006-04-24 | 2011-09-15 | Sumitomo Seika Chemicals | Herstellungsverfahren für wasserabsorbierende partikel und mit dem verfahren hergestellte wasserabsorbierende partikel |
| BRPI0710942B1 (pt) * | 2006-04-27 | 2018-05-02 | Sumitomo Seika Chemicals Co., Ltd. | Resina absorvente de água e seu processo de produção |
| US7989367B2 (en) * | 2006-06-30 | 2011-08-02 | Georgia-Pacific Chemicals Llc | Reducing formaldehyde emissions from fiberglass insulation |
| WO2008127287A2 (en) | 2006-10-11 | 2008-10-23 | Biolife, L.L.C. | Materials and methods for wound treatment |
| JP2010515465A (ja) * | 2007-01-12 | 2010-05-13 | ザ リージェンツ オブ ザ ユニバーシティー オブ コロラド,ア ボディー コーポレート | 微生物によって生成される有機化学物質の生成に対する耐性を高めるための組成物および方法 |
| CN101589066B (zh) | 2007-01-24 | 2013-07-03 | 株式会社日本触媒 | 粒子状吸水性聚合物及其制造方法 |
| WO2008151041A2 (en) | 2007-05-31 | 2008-12-11 | Biolife, Llc | Materials and methods for preparation of alkaline earth ferrates from alkaline earth oxides, peroxides, and nitrates |
| CN101835809A (zh) * | 2007-08-23 | 2010-09-15 | 住友精化株式会社 | 适用于卫生材料用途的吸水性树脂 |
| US8048624B1 (en) | 2007-12-04 | 2011-11-01 | Opx Biotechnologies, Inc. | Compositions and methods for 3-hydroxypropionate bio-production from biomass |
| CN101225132B (zh) * | 2007-12-20 | 2010-09-01 | 中国科学院长春应用化学研究所 | 反相悬浮聚合聚甲基丙烯酸吸湿树脂的制备方法 |
| JP5499711B2 (ja) * | 2008-02-01 | 2014-05-21 | 東亞合成株式会社 | 重合体微粒子の製造方法 |
| JP5251886B2 (ja) * | 2008-02-01 | 2013-07-31 | 東亞合成株式会社 | 重合体微粒子の製造方法 |
| US8809027B1 (en) | 2009-09-27 | 2014-08-19 | Opx Biotechnologies, Inc. | Genetically modified organisms for increased microbial production of 3-hydroxypropionic acid involving an oxaloacetate alpha-decarboxylase |
| CA2775390C (en) | 2009-09-27 | 2021-06-29 | Opx Biotechnologies, Inc. | Method for producing 3-hydroxypropionic acid and other products |
| 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 |
| US20110125118A1 (en) * | 2009-11-20 | 2011-05-26 | Opx Biotechnologies, Inc. | Production of an Organic Acid and/or Related Chemicals |
| KR101763439B1 (ko) * | 2009-11-27 | 2017-07-31 | 스미또모 세이까 가부시키가이샤 | 흡수성 수지 입자의 제조 방법, 흡수성 수지 입자, 지수재 및 흡수성 물품 |
| US9132413B2 (en) | 2010-07-28 | 2015-09-15 | Sumitomo Seika Chemicals Co., Ltd. | Method for producing a water-absorbent resin |
| WO2012023449A1 (ja) * | 2010-08-18 | 2012-02-23 | 住友精化株式会社 | カルボキシル基含有重合体組成物の製造方法およびカルボキシル基含有重合体組成物 |
| JP5901524B2 (ja) * | 2010-08-19 | 2016-04-13 | 住友精化株式会社 | 吸水性樹脂 |
| JP5930966B2 (ja) * | 2010-09-06 | 2016-06-08 | 住友精化株式会社 | 吸水性樹脂、及びその製造方法 |
| AU2010362811B2 (en) | 2010-10-18 | 2015-05-07 | Sumitomo Seika Chemicals Co., Ltd. | Method for producing water-absorbent resin particles and water-absorbent resin particles |
| KR101785442B1 (ko) | 2010-11-15 | 2017-10-16 | 스미토모 세이카 가부시키가이샤 | 흡수성 수지의 제조 방법 |
| US20130273351A1 (en) * | 2010-12-16 | 2013-10-17 | Sumitomo Seika Chemicals Co., Ltd. | Method for producing water-absorbent resin |
| JP5637869B2 (ja) * | 2011-01-11 | 2014-12-10 | 住友精化株式会社 | 吸水性樹脂の製造方法 |
| EP2676977B1 (en) * | 2011-02-14 | 2018-02-14 | Sumitomo Seika Chemicals CO. LTD. | Hydrophilic thickening agent and method of producing same |
| EP2689020B1 (en) | 2011-03-22 | 2018-05-16 | OPX Biotechnologies Inc. | Microbial production of chemical products and related compositions, methods and systems |
| JP5885735B2 (ja) | 2011-03-31 | 2016-03-15 | 住友精化株式会社 | 吸水性樹脂の製造方法 |
| TWI513713B (zh) | 2011-04-21 | 2015-12-21 | Sumitomo Seika Chemicals | 吸水性樹脂之製造方法 |
| TW201247249A (en) | 2011-04-21 | 2012-12-01 | Sumitomo Seika Chemicals | Water-absorbent resin, absorbent material, and absorbent article |
| BR112014002637B1 (pt) * | 2011-08-03 | 2022-05-03 | Sumitomo Seika Chemicals Co., Ltd | Partícula de resina de absorção de água, método para a produção de partícula de resina de absorção de água, corpo de absorção, artigo de absorção, e material de vedação de água |
| US9605094B2 (en) | 2011-10-06 | 2017-03-28 | Sumitomo Seika Chemicals Co., Ltd. | Method for producing water absorbent resin particles |
| WO2013128978A1 (ja) * | 2012-02-29 | 2013-09-06 | 住友精化株式会社 | 吸水性樹脂粒子の製造方法 |
| JP2013203761A (ja) * | 2012-03-27 | 2013-10-07 | Kao Corp | 改質吸水性樹脂粒子 |
| KR20150040359A (ko) | 2012-08-10 | 2015-04-14 | 오피엑스 바이오테크놀로지스, 인크. | 지방산 및 지방산 유도된 산물의 생산을 위한 미생물 및 방법 |
| KR101595037B1 (ko) | 2013-01-15 | 2016-02-17 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
| US10047383B2 (en) | 2013-03-15 | 2018-08-14 | Cargill, Incorporated | Bioproduction of chemicals |
| EP2976141A4 (en) | 2013-03-15 | 2016-10-05 | Cargill Inc | FLASHING FOR PRODUCTION CLEANING AND RECOVERY |
| WO2014145343A1 (en) | 2013-03-15 | 2014-09-18 | Opx Biotechnologies, Inc. | Bioproduction of chemicals |
| US9763869B2 (en) * | 2013-06-28 | 2017-09-19 | Sumitomo Seika Chemicals Co., Ltd. | Hydrophilic thickener and cosmetic composition |
| US10337038B2 (en) | 2013-07-19 | 2019-07-02 | Cargill, Incorporated | Microorganisms and methods for the production of fatty acids and fatty acid derived products |
| US11408013B2 (en) | 2013-07-19 | 2022-08-09 | Cargill, Incorporated | Microorganisms and methods for the production of fatty acids and fatty acid derived products |
| WO2015129917A1 (ja) | 2014-02-28 | 2015-09-03 | 株式会社日本触媒 | ポリ(メタ)アクリル酸(塩)系粒子状吸水剤及び製造方法 |
| JP5689204B1 (ja) | 2014-07-11 | 2015-03-25 | 住友精化株式会社 | 吸水性樹脂の製造方法、吸水性樹脂、吸水剤、吸収性物品 |
| JP5893117B2 (ja) | 2014-07-11 | 2016-03-23 | 住友精化株式会社 | 吸水性樹脂及び吸収性物品 |
| JP5893116B2 (ja) | 2014-07-11 | 2016-03-23 | 住友精化株式会社 | 吸水性樹脂及び吸水性樹脂の製造方法 |
| EP2993228B1 (en) | 2014-09-02 | 2019-10-09 | Cargill, Incorporated | Production of fatty acid esters |
| EP3312218A4 (en) | 2015-06-19 | 2018-06-27 | Nippon Shokubai Co., Ltd. | Poly (meth) acrylic acid (salt) granular water absorbent and method for producing same |
| GB201512725D0 (en) * | 2015-07-20 | 2015-08-26 | Life Technologies As | Polymeric particles |
| EP3398977B1 (en) | 2015-12-28 | 2022-12-14 | Nippon Shokubai Co., Ltd. | Method for producing water absorbent resin |
| CN106008779B (zh) * | 2016-06-02 | 2018-11-27 | 中北大学 | 一种交联聚对苯乙烯磺酸钠凝胶微球制作方法 |
| JP2020506702A (ja) | 2017-02-02 | 2020-03-05 | カーギル インコーポレイテッド | C6−c10脂肪酸誘導体を生成する遺伝子組み換え細胞 |
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| CN110325845A (zh) | 2017-03-02 | 2019-10-11 | 住友精化株式会社 | 吸水性树脂结构的非破坏评价方法 |
| JPWO2018159803A1 (ja) | 2017-03-02 | 2019-12-26 | 住友精化株式会社 | 吸水性樹脂及び土嚢 |
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| WO2019189325A1 (ja) * | 2018-03-27 | 2019-10-03 | 住友精化株式会社 | 吸水性スクラブ剤、その製造方法、及び化粧料 |
| WO2019189326A1 (ja) | 2018-03-27 | 2019-10-03 | 住友精化株式会社 | 土嚢及びその製造方法 |
| CN108841391B (zh) * | 2018-03-30 | 2021-01-29 | 广西科技师范学院 | 一种土壤保水剂的制备方法 |
| SG11202104506VA (en) | 2018-11-05 | 2021-05-28 | Sumitomo Seika Chemicals | Water-absorbing resin |
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| FR3113553B1 (fr) | 2020-08-26 | 2023-01-13 | Aprotek | Nouvel article absorbant et drainant utilisé comme support de culture |
| FR3114980B1 (fr) | 2020-10-14 | 2022-12-16 | Aprotek | Composition asséchante pour faciliter le transport des boues salées |
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| FR3118031B1 (fr) | 2020-12-23 | 2023-11-24 | Aprotek | Accélérateur de compostage |
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| JPWO2022210678A1 (enExample) | 2021-03-30 | 2022-10-06 | ||
| WO2022255300A1 (ja) | 2021-05-31 | 2022-12-08 | 住友精化株式会社 | 吸水性樹脂の製造方法、吸水性樹脂、吸収体及び吸収性物品 |
| JPWO2022255301A1 (enExample) | 2021-05-31 | 2022-12-08 | ||
| CN114133471B (zh) * | 2022-01-14 | 2022-11-25 | 兖矿水煤浆气化及煤化工国家工程研究中心有限公司 | 一种高吸水树脂的生产方法 |
| FR3133607A1 (fr) | 2022-03-16 | 2023-09-22 | Aprotek | Composition asséchante pour faciliter la manipulation des boues |
| FR3134388B1 (fr) | 2022-04-12 | 2025-11-21 | Aprotek | Composition asséchante pour conditionner des digestats |
| CN121002072A (zh) | 2023-04-13 | 2025-11-21 | 住友精化株式会社 | 吸水性树脂颗粒的制造方法、吸水性树脂颗粒、吸收体及吸收性物品 |
| KR102630748B1 (ko) * | 2023-06-01 | 2024-01-31 | (주)대우건설 | 저수지 복통의 누수 보수용 폴리머 차수재 및 이의 제조 방법 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4308912A (en) * | 1979-03-28 | 1982-01-05 | Knecht Bernath L | Heat transfer system |
| CA1248279A (en) * | 1983-03-11 | 1989-01-03 | You-Ling Fan | Dual initiator water-in-oil emulsion polymerization process |
| US4618647A (en) * | 1983-03-11 | 1986-10-21 | Union Carbide Corp. | Process for producing a polymer water-in-oil emulsion |
| JPS6187702A (ja) * | 1984-10-05 | 1986-05-06 | Seitetsu Kagaku Co Ltd | 吸水性樹脂の製造方法 |
| JPH0830098B2 (ja) * | 1987-07-16 | 1996-03-27 | 日本合成化学工業株式会社 | 高吸水性樹脂の製造法 |
| US4914170A (en) * | 1987-11-17 | 1990-04-03 | Rohm And Haas Company | Superabsorbent polymeric compositions and process for producing the same |
-
1990
- 1990-01-31 JP JP2022774A patent/JP2938920B2/ja not_active Expired - Lifetime
-
1991
- 1991-01-03 US US07/637,155 patent/US5180798A/en not_active Expired - Lifetime
- 1991-01-04 TW TW080100073A patent/TW228528B/zh active
- 1991-01-16 CA CA002034293A patent/CA2034293C/en not_active Expired - Lifetime
- 1991-01-25 DE DE69118224T patent/DE69118224T2/de not_active Expired - Lifetime
- 1991-01-25 ES ES91300594T patent/ES2087967T3/es not_active Expired - Lifetime
- 1991-01-25 EP EP91300594A patent/EP0441507B1/en not_active Expired - Lifetime
- 1991-01-29 KR KR1019910001479A patent/KR0174745B1/ko not_active Expired - Lifetime
- 1991-01-30 BR BR919100398A patent/BR9100398A/pt not_active IP Right Cessation
- 1991-01-31 CN CN91100949A patent/CN1023486C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2034293C (en) | 1999-05-04 |
| TW228528B (enExample) | 1994-08-21 |
| JP2938920B2 (ja) | 1999-08-25 |
| CN1023486C (zh) | 1994-01-12 |
| ES2087967T3 (es) | 1996-08-01 |
| JPH03227301A (ja) | 1991-10-08 |
| EP0441507B1 (en) | 1996-03-27 |
| KR910014410A (ko) | 1991-08-31 |
| US5180798A (en) | 1993-01-19 |
| CN1053796A (zh) | 1991-08-14 |
| CA2034293A1 (en) | 1991-08-01 |
| EP0441507A1 (en) | 1991-08-14 |
| DE69118224D1 (de) | 1996-05-02 |
| BR9100398A (pt) | 1991-10-22 |
| KR0174745B1 (ko) | 1999-04-01 |
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| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |