JP2938920B2 - 吸水性樹脂の製造方法 - Google Patents
吸水性樹脂の製造方法Info
- Publication number
- JP2938920B2 JP2938920B2 JP2022774A JP2277490A JP2938920B2 JP 2938920 B2 JP2938920 B2 JP 2938920B2 JP 2022774 A JP2022774 A JP 2022774A JP 2277490 A JP2277490 A JP 2277490A JP 2938920 B2 JP2938920 B2 JP 2938920B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- stage
- aqueous solution
- ethylenically unsaturated
- monomer
- 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
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- 230000002745 absorbent Effects 0.000 title description 14
- 238000006116 polymerization reaction Methods 0.000 claims description 60
- 239000007864 aqueous solution Substances 0.000 claims description 49
- 239000000178 monomer Substances 0.000 claims description 46
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 38
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- 239000003431 cross linking reagent Substances 0.000 claims description 19
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- 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
- 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 6
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- 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
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- 229920001249 ethyl cellulose Polymers 0.000 claims description 6
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- 239000000017 hydrogel Substances 0.000 claims description 6
- 239000003209 petroleum derivative Substances 0.000 claims description 6
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical group [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 5
- 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
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- YLGYACDQVQQZSW-UHFFFAOYSA-N n,n-dimethylprop-2-enamide Chemical compound CN(C)C(=O)C=C YLGYACDQVQQZSW-UHFFFAOYSA-N 0.000 claims description 4
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- 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
- 239000003945 anionic surfactant Substances 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
- 150000001993 dienes Chemical class 0.000 claims 1
- YYXLGGIKSIZHSF-UHFFFAOYSA-N ethene;furan-2,5-dione Chemical group C=C.O=C1OC(=O)C=C1 YYXLGGIKSIZHSF-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
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- 239000002245 particle Substances 0.000 description 26
- 238000009826 distribution Methods 0.000 description 23
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 21
- 239000000243 solution Substances 0.000 description 21
- 239000000843 powder Substances 0.000 description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
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- 229910052757 nitrogen Inorganic materials 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
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- 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
- 238000010558 suspension polymerization method Methods 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000006243 chemical reaction 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
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- 239000006096 absorbing agent Substances 0.000 description 3
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 3
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- 238000001816 cooling Methods 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
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- 235000011076 sorbitan monostearate Nutrition 0.000 description 3
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- 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
- 229920002943 EPDM rubber Polymers 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
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-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
- 239000011358 absorbing material Substances 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 125000005037 alkyl phenyl group Chemical group 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
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 229920000578 graft copolymer Polymers 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 239000007788 liquid Substances 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
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil 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
- 239000007921 spray Substances 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
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- IVIDDMGBRCPGLJ-UHFFFAOYSA-N 2,3-bis(oxiran-2-ylmethoxy)propan-1-ol Chemical compound C1OC1COC(CO)COCC1CO1 IVIDDMGBRCPGLJ-UHFFFAOYSA-N 0.000 description 1
- 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
- HDPLHDGYGLENEI-UHFFFAOYSA-N 2-[1-(oxiran-2-ylmethoxy)propan-2-yloxymethyl]oxirane Chemical compound C1OC1COC(C)COCC1CO1 HDPLHDGYGLENEI-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 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
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- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
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- 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
- 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
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000005215 alkyl ethers Chemical class 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
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
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- 239000011362 coarse particle Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
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- 229920006037 cross link polymer Polymers 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- GKIPXFAANLTWBM-UHFFFAOYSA-N epibromohydrin Chemical compound BrCC1CO1 GKIPXFAANLTWBM-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
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- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 125000005641 methacryl group Chemical group 0.000 description 1
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
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- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000012966 redox initiator 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
- 238000005507 spraying Methods 0.000 description 1
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- 235000019698 starch Nutrition 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920006305 unsaturated polyester Polymers 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
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Hematology (AREA)
- Dispersion Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- Public Health (AREA)
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Priority Applications (10)
| 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 |
| US07/637,155 US5180798A (en) | 1990-01-31 | 1991-01-03 | Process for production of water-absorbent resin |
| TW080100073A TW228528B (enExample) | 1990-01-31 | 1991-01-04 | |
| CA002034293A CA2034293C (en) | 1990-01-31 | 1991-01-16 | Process for production of water-absorbent resin |
| EP91300594A EP0441507B1 (en) | 1990-01-31 | 1991-01-25 | Process for production of water-absorbent resin |
| ES91300594T ES2087967T3 (es) | 1990-01-31 | 1991-01-25 | Procedimiento de preparacion de una resina absorbente de agua. |
| DE69118224T DE69118224T2 (de) | 1990-01-31 | 1991-01-25 | Verfahren zur Herstellung eines wasserabsorbierenden Harzes |
| KR1019910001479A KR0174745B1 (ko) | 1990-01-31 | 1991-01-29 | 흡수성 수지의 제조방법 |
| BR919100398A BR9100398A (pt) | 1990-01-31 | 1991-01-30 | Processo para a producao de resina absorvente de agua |
| CN91100949A CN1023486C (zh) | 1990-01-31 | 1991-01-31 | 生产吸水性树脂的方法 |
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 |
|---|---|
| JPH03227301A JPH03227301A (ja) | 1991-10-08 |
| JP2938920B2 true JP2938920B2 (ja) | 1999-08-25 |
Family
ID=12092015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022774A Expired - Lifetime JP2938920B2 (ja) | 1990-01-31 | 1990-01-31 | 吸水性樹脂の製造方法 |
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) |
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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 |
| 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 |
| DE69118224T2 (de) | 1996-09-05 |
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