JP7233443B2 - 吸水性樹脂、吸収体、吸収性物品、及び吸水性樹脂の製造方法 - Google Patents
吸水性樹脂、吸収体、吸収性物品、及び吸水性樹脂の製造方法 Download PDFInfo
- Publication number
- JP7233443B2 JP7233443B2 JP2020561261A JP2020561261A JP7233443B2 JP 7233443 B2 JP7233443 B2 JP 7233443B2 JP 2020561261 A JP2020561261 A JP 2020561261A JP 2020561261 A JP2020561261 A JP 2020561261A JP 7233443 B2 JP7233443 B2 JP 7233443B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- absorbent resin
- chain
- monomer
- water absorbent
- 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.)
- Active
Links
- 239000002250 absorbent Substances 0.000 title claims description 405
- 230000002745 absorbent Effects 0.000 title claims description 389
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 250
- 239000011347 resin Substances 0.000 title claims description 246
- 229920005989 resin Polymers 0.000 title claims description 246
- 238000004519 manufacturing process Methods 0.000 title claims description 19
- 239000000178 monomer Substances 0.000 claims description 87
- -1 sucrose fatty acid ester Chemical class 0.000 claims description 63
- 238000006116 polymerization reaction Methods 0.000 claims description 60
- 239000002245 particle Substances 0.000 claims description 57
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 39
- 229930195733 hydrocarbon Natural products 0.000 claims description 33
- 239000000835 fiber Substances 0.000 claims description 32
- 150000002430 hydrocarbons Chemical class 0.000 claims description 31
- 239000004215 Carbon black (E152) Substances 0.000 claims description 30
- 229920000642 polymer Polymers 0.000 claims description 30
- 239000004094 surface-active agent Substances 0.000 claims description 30
- 239000012798 spherical particle Substances 0.000 claims description 29
- 239000002612 dispersion medium Substances 0.000 claims description 28
- 229920001577 copolymer Polymers 0.000 claims description 23
- 239000002270 dispersing agent Substances 0.000 claims description 22
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 19
- 239000002504 physiological saline solution Substances 0.000 claims description 18
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 16
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 15
- 239000000194 fatty acid Substances 0.000 claims description 15
- 229930195729 fatty acid Natural products 0.000 claims description 15
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 12
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 238000010533 azeotropic distillation Methods 0.000 claims description 7
- 229930006000 Sucrose Natural products 0.000 claims description 6
- 239000005720 sucrose Substances 0.000 claims description 6
- 229920000223 polyglycerol Polymers 0.000 claims description 4
- 238000010558 suspension polymerization method Methods 0.000 claims description 4
- AZUZXOSWBOBCJY-UHFFFAOYSA-N Polyethylene, oxidized Polymers OC(=O)CCC(=O)C(C)C(O)CCCCC=O AZUZXOSWBOBCJY-UHFFFAOYSA-N 0.000 claims description 3
- 238000007334 copolymerization reaction Methods 0.000 claims description 3
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 3
- 229920001038 ethylene copolymer Polymers 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 36
- 239000007788 liquid Substances 0.000 description 32
- 238000010521 absorption reaction Methods 0.000 description 31
- 239000003431 cross linking reagent Substances 0.000 description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 239000007864 aqueous solution Substances 0.000 description 20
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 17
- 239000000243 solution Substances 0.000 description 17
- 238000012360 testing method Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 16
- 230000003746 surface roughness Effects 0.000 description 14
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 13
- 238000011156 evaluation Methods 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000000203 mixture Substances 0.000 description 12
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 11
- 239000006096 absorbing agent Substances 0.000 description 11
- 238000003756 stirring Methods 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 10
- 239000007870 radical polymerization initiator Substances 0.000 description 10
- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical compound CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 description 9
- 238000006386 neutralization reaction Methods 0.000 description 9
- 239000002562 thickening agent Substances 0.000 description 9
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 238000001816 cooling Methods 0.000 description 8
- 238000004132 cross linking Methods 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 239000000057 synthetic resin Substances 0.000 description 7
- 229920003002 synthetic resin Polymers 0.000 description 7
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 6
- 229920001223 polyethylene glycol Polymers 0.000 description 6
- 239000003505 polymerization initiator Substances 0.000 description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 5
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 5
- 229920003043 Cellulose fiber Polymers 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 5
- SZYSLWCAWVWFLT-UTGHZIEOSA-N [(2s,3s,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)-2-[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxolan-2-yl]methyl octadecanoate Chemical compound O([C@@H]1[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O1)O)[C@]1(COC(=O)CCCCCCCCCCCCCCCCC)O[C@H](CO)[C@@H](O)[C@@H]1O SZYSLWCAWVWFLT-UTGHZIEOSA-N 0.000 description 5
- 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 5
- 125000004432 carbon atom Chemical group C* 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 235000011187 glycerol Nutrition 0.000 description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 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 5
- 238000001878 scanning electron micrograph Methods 0.000 description 5
- 206010021639 Incontinence Diseases 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000003472 neutralizing effect Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XAZKFISIRYLAEE-UHFFFAOYSA-N (+-)-trans-1,3-Dimethyl-cyclopentan Natural products CC1CCC(C)C1 XAZKFISIRYLAEE-UHFFFAOYSA-N 0.000 description 3
- SYEWHONLFGZGLK-UHFFFAOYSA-N 2-[1,3-bis(oxiran-2-ylmethoxy)propan-2-yloxymethyl]oxirane Chemical compound C1OC1COCC(OCC1OC1)COCC1CO1 SYEWHONLFGZGLK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920005862 polyol Polymers 0.000 description 3
- 150000003077 polyols Chemical class 0.000 description 3
- 239000001294 propane Substances 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000010557 suspension polymerization reaction Methods 0.000 description 3
- 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 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- WGECXQBGLLYSFP-UHFFFAOYSA-N 2,3-dimethylpentane Chemical compound CCC(C)C(C)C WGECXQBGLLYSFP-UHFFFAOYSA-N 0.000 description 2
- GXDHCNNESPLIKD-UHFFFAOYSA-N 2-methylhexane Chemical compound CCCCC(C)C GXDHCNNESPLIKD-UHFFFAOYSA-N 0.000 description 2
- AORMDLNPRGXHHL-UHFFFAOYSA-N 3-ethylpentane Chemical compound CCC(CC)CC AORMDLNPRGXHHL-UHFFFAOYSA-N 0.000 description 2
- VLJXXKKOSFGPHI-UHFFFAOYSA-N 3-methylhexane Chemical compound CCCC(C)CC VLJXXKKOSFGPHI-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-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
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 125000003277 amino 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
- 239000003945 anionic surfactant Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- GKIPXFAANLTWBM-UHFFFAOYSA-N epibromohydrin Chemical compound BrCC1CO1 GKIPXFAANLTWBM-UHFFFAOYSA-N 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 125000005641 methacryl group Chemical group 0.000 description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 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
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 2
- 239000002964 rayon Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 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
- 210000002700 urine Anatomy 0.000 description 2
- RIRARCHMRDHZAR-UHFFFAOYSA-N (+-)-trans-1,2-Dimethyl-cyclopentan Natural products CC1CCCC1C RIRARCHMRDHZAR-UHFFFAOYSA-N 0.000 description 1
- RIRARCHMRDHZAR-RNFRBKRXSA-N (1r,2r)-1,2-dimethylcyclopentane Chemical compound C[C@@H]1CCC[C@H]1C RIRARCHMRDHZAR-RNFRBKRXSA-N 0.000 description 1
- XAZKFISIRYLAEE-RNFRBKRXSA-N (1r,3r)-1,3-dimethylcyclopentane Chemical compound C[C@@H]1CC[C@@H](C)C1 XAZKFISIRYLAEE-RNFRBKRXSA-N 0.000 description 1
- XAZKFISIRYLAEE-KNVOCYPGSA-N (1r,3s)-1,3-dimethylcyclopentane Chemical compound C[C@H]1CC[C@@H](C)C1 XAZKFISIRYLAEE-KNVOCYPGSA-N 0.000 description 1
- BJYGGFGTOTUNJA-UHFFFAOYSA-N (3-butyloxetan-3-yl)methanol Chemical compound CCCCC1(CO)COC1 BJYGGFGTOTUNJA-UHFFFAOYSA-N 0.000 description 1
- UNMJLQGKEDTEKJ-UHFFFAOYSA-N (3-ethyloxetan-3-yl)methanol Chemical compound CCC1(CO)COC1 UNMJLQGKEDTEKJ-UHFFFAOYSA-N 0.000 description 1
- NLQMSBJFLQPLIJ-UHFFFAOYSA-N (3-methyloxetan-3-yl)methanol Chemical compound OCC1(C)COC1 NLQMSBJFLQPLIJ-UHFFFAOYSA-N 0.000 description 1
- AYMDJPGTQFHDSA-UHFFFAOYSA-N 1-(2-ethenoxyethoxy)-2-ethoxyethane Chemical compound CCOCCOCCOC=C AYMDJPGTQFHDSA-UHFFFAOYSA-N 0.000 description 1
- IVIDDMGBRCPGLJ-UHFFFAOYSA-N 2,3-bis(oxiran-2-ylmethoxy)propan-1-ol Chemical compound C1OC1COC(CO)COCC1CO1 IVIDDMGBRCPGLJ-UHFFFAOYSA-N 0.000 description 1
- BZHMBWZPUJHVEE-UHFFFAOYSA-N 2,3-dimethylpentane Natural products CC(C)CC(C)C BZHMBWZPUJHVEE-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
- 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
- KHEWHSKCDPEONS-UHFFFAOYSA-N 2-(3-butyloxetan-3-yl)ethanol Chemical compound CCCCC1(CCO)COC1 KHEWHSKCDPEONS-UHFFFAOYSA-N 0.000 description 1
- NQIGSEBFOJIXSE-UHFFFAOYSA-N 2-(3-ethyloxetan-3-yl)ethanol Chemical compound OCCC1(CC)COC1 NQIGSEBFOJIXSE-UHFFFAOYSA-N 0.000 description 1
- NFMOAAFJCIYUQR-UHFFFAOYSA-N 2-(3-methyloxetan-3-yl)ethanol Chemical compound OCCC1(C)COC1 NFMOAAFJCIYUQR-UHFFFAOYSA-N 0.000 description 1
- KFNAHVKJFHDCSK-UHFFFAOYSA-N 2-[2-(4,5-dihydro-1,3-oxazol-2-yl)ethyl]-4,5-dihydro-1,3-oxazole Chemical compound N=1CCOC=1CCC1=NCCO1 KFNAHVKJFHDCSK-UHFFFAOYSA-N 0.000 description 1
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- QENRKQYUEGJNNZ-UHFFFAOYSA-N 2-methyl-1-(prop-2-enoylamino)propane-1-sulfonic acid Chemical compound CC(C)C(S(O)(=O)=O)NC(=O)C=C QENRKQYUEGJNNZ-UHFFFAOYSA-N 0.000 description 1
- SMBRHGJEDJVDOB-UHFFFAOYSA-N 2-methylpropanimidamide;dihydrochloride Chemical compound Cl.Cl.CC(C)C(N)=N SMBRHGJEDJVDOB-UHFFFAOYSA-N 0.000 description 1
- BIISIZOQPWZPPS-UHFFFAOYSA-N 2-tert-butylperoxypropan-2-ylbenzene Chemical compound CC(C)(C)OOC(C)(C)C1=CC=CC=C1 BIISIZOQPWZPPS-UHFFFAOYSA-N 0.000 description 1
- MECNWXGGNCJFQJ-UHFFFAOYSA-N 3-piperidin-1-ylpropane-1,2-diol Chemical compound OCC(O)CN1CCCCC1 MECNWXGGNCJFQJ-UHFFFAOYSA-N 0.000 description 1
- VFXXTYGQYWRHJP-UHFFFAOYSA-N 4,4'-azobis(4-cyanopentanoic acid) Chemical compound OC(=O)CCC(C)(C#N)N=NC(C)(CCC(O)=O)C#N VFXXTYGQYWRHJP-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- GVNWZKBFMFUVNX-UHFFFAOYSA-N Adipamide Chemical compound NC(=O)CCCCC(N)=O GVNWZKBFMFUVNX-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- SGHZXLIDFTYFHQ-UHFFFAOYSA-L Brilliant Blue Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SGHZXLIDFTYFHQ-UHFFFAOYSA-L 0.000 description 1
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
- SJIXRGNQPBQWMK-UHFFFAOYSA-N DEAEMA Natural products CCN(CC)CCOC(=O)C(C)=C SJIXRGNQPBQWMK-UHFFFAOYSA-N 0.000 description 1
- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- 229920000896 Ethulose Polymers 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- 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 description 1
- 239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 239000004716 Ethylene/acrylic acid copolymer Substances 0.000 description 1
- 208000010201 Exanthema Diseases 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000002211 L-ascorbic acid Substances 0.000 description 1
- 235000000069 L-ascorbic acid Nutrition 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 235000009754 Vitis X bourquina Nutrition 0.000 description 1
- 235000012333 Vitis X labruscana Nutrition 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 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 1
- LLSDKQJKOVVTOJ-UHFFFAOYSA-L calcium chloride dihydrate Chemical compound O.O.[Cl-].[Cl-].[Ca+2] LLSDKQJKOVVTOJ-UHFFFAOYSA-L 0.000 description 1
- 229940052299 calcium chloride dihydrate Drugs 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000012986 chain transfer agent Substances 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- KIQKWYUGPPFMBV-UHFFFAOYSA-N diisocyanatomethane Chemical compound O=C=NCN=C=O KIQKWYUGPPFMBV-UHFFFAOYSA-N 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 description 1
- 201000005884 exanthem Diseases 0.000 description 1
- 229960001781 ferrous sulfate Drugs 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229940050906 magnesium chloride hexahydrate Drugs 0.000 description 1
- DHRRIBDTHFBPNG-UHFFFAOYSA-L magnesium dichloride hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-] DHRRIBDTHFBPNG-UHFFFAOYSA-L 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000012528 membrane Substances 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
- 239000003595 mist Substances 0.000 description 1
- WVFLGSMUPMVNTQ-UHFFFAOYSA-N n-(2-hydroxyethyl)-2-[[1-(2-hydroxyethylamino)-2-methyl-1-oxopropan-2-yl]diazenyl]-2-methylpropanamide Chemical compound OCCNC(=O)C(C)(C)N=NC(C)(C)C(=O)NCCO WVFLGSMUPMVNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 150000002918 oxazolines Chemical class 0.000 description 1
- 150000002921 oxetanes Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical class O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229920002857 polybutadiene Polymers 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
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- QLNJFJADRCOGBJ-UHFFFAOYSA-N propionamide Chemical compound CCC(N)=O QLNJFJADRCOGBJ-UHFFFAOYSA-N 0.000 description 1
- 229940080818 propionamide Drugs 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000007717 redox polymerization reaction Methods 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229940079827 sodium hydrogen sulfite Drugs 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 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
- 159000000000 sodium salts Chemical class 0.000 description 1
- 229940001482 sodium sulfite Drugs 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 229940104261 taurate Drugs 0.000 description 1
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical compound NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 description 1
- OPQYOFWUFGEMRZ-UHFFFAOYSA-N tert-butyl 2,2-dimethylpropaneperoxoate Chemical compound CC(C)(C)OOC(=O)C(C)(C)C OPQYOFWUFGEMRZ-UHFFFAOYSA-N 0.000 description 1
- SWAXTRYEYUTSAP-UHFFFAOYSA-N tert-butyl ethaneperoxoate Chemical compound CC(=O)OOC(C)(C)C SWAXTRYEYUTSAP-UHFFFAOYSA-N 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N vinyl-ethylene Natural products C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Images
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
- C08F6/00—Post-polymerisation treatments
- C08F6/008—Treatment of solid polymer wetted by water or organic solvents, e.g. coagulum, filter cakes
-
- 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
- C08F220/00—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
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
- C08F220/285—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing a polyether chain in the alcohol moiety
- C08F220/286—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing a polyether chain in the alcohol moiety and containing polyethylene oxide in the alcohol moiety, e.g. methoxy polyethylene glycol (meth)acrylate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
-
- 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
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/264—Synthetic macromolecular compounds derived from different types of monomers, e.g. linear or branched copolymers, block copolymers, graft copolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
- B01J20/267—Cross-linked polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28016—Particle form
- B01J20/28019—Spherical, ellipsoidal or cylindrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28028—Particles immobilised within fibres or filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28047—Gels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3085—Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
-
- 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
-
- 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
- C08F220/00—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
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—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
- C08F6/00—Post-polymerisation treatments
- C08F6/24—Treatment of polymer suspensions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/245—Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
- B01J2220/68—Superabsorbents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or 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 of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or 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 of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or 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 of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/06—Characterised by the use of homopolymers or 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 of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2433/08—Homopolymers or copolymers of acrylic acid esters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Hematology (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)
- Absorbent Articles And Supports Therefor (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Description
図1は、本開示の一実施形態に係る吸収体を含む吸収性物品の構成を示す断面図である。図1に示す吸収性物品1は、吸収体2と、液体透過性シート3と、液体不透過性シート4と、を含む。吸収体2は、対向配置された液体透過性シート3及び液体不透過性シート4の間に、挟まれている。
本実施形態に係る吸水性樹脂21に含まれる鎖状吸水性樹脂211について説明する。図2は、鎖状吸水性樹脂211の一例を示している。図2に示すように、鎖状吸水性樹脂211は、複数の略球状の粒子40が鎖状に連結された形状を有する。
鎖状吸水性樹脂211の製造方法の一例について説明する。鎖状吸水性樹脂211は、例えば、2種類以上の単量体を共重合させることで作製し得る。具体的には、鎖状吸水性樹脂211の製造方法は、単量体A及び単量体B(単量体Aと種類が異なる)を逆相懸濁重合法により共重合させる重合工程と、重合工程において得られた含水ゲルを乾燥する乾燥工程と、を含む。
本実施形態では、重合工程に供される単量体Aは、(メタ)アクリル酸及びその中和物のうち少なくとも一方を含んでおり、単量体Bは、アルコキシポリアルキレングリコール(メタ)アクリレートを含んでいる。なお、本明細書では、「アクリル」及び「メタクリル」を合わせて「(メタ)アクリル」と表記する。
引き続き、得られた含水ゲルより水分を除去するために、乾燥を行なう。乾燥方法としては、例えば(a)上記含水ゲルが炭化水素分散媒に分散した状態で、外部から加熱することにより共沸蒸留を行い、炭化水素分散媒を還流させて水分を除去(脱水)する方法、(b)デカンテーションにより含水ゲルを取り出し、減圧乾燥する方法、(c)フィルタにより含水ゲルをろ別し、減圧乾燥する方法等が挙げられる。このうち、鎖状吸水性樹脂を効率的に得るには、(a)の方法を用いることが好ましい。また、炭化水素分散剤の共沸蒸留による脱水によって、含水ゲルの含水量を50質量%程度まで低下させることで、鎖状吸水性樹脂を効率的に得ることができる。なお、含水ゲルの含水量が高い状態で、炭化水素分散媒を先に揮発させて乾燥させると、粒子が塊状化して鎖状吸水性樹脂が得られ難くなる可能性が高い。
含水量=[Ww÷(Ww+Ws)]×100
Ww:全重合工程の重合前の水性液に含まれる水分量から、乾燥工程により外部に抽出された水分量を差し引いた量に、後架橋剤等を混合する際に必要に応じて用いられる水分量を加えた含水ゲルの水分量
Ws:含水ゲルを構成する単量体、架橋剤、開始剤等の材料の仕込量から算出される固形分量
(実施例1)
還流冷却器、滴下ロート、窒素ガス導入管、及び、翼径50mmの4枚傾斜パドル翼を2段で有する攪拌翼を備えた内径110mmで容積2Lの丸底円筒型セパラブルフラスコを準備した。このフラスコに、炭化水素分散媒としてn-ヘプタン300gを入れ、高分子系分散剤として無水マレイン酸変性エチレン-プロピレン共重合体(商品名:ハイワックス1105A、三井化学株式会社製)0.37g、及び、界面活性剤としてショ糖ステアリン酸エステル(商品名:リョートーシュガーエステルS-370、HLB値3、三菱化学フーズ株式会社製)0.37gを添加し、550rpmで攪拌しつつ加温溶解した後、55℃まで冷却した。
上記実施例1において、メトキシポリエチレングリコール#400アクリレート99g(0.20モル)に代えてメトキシポリエチレングリコール#550アクリレート135g(0.20モル)、重合開始剤としてアゾ系化合物として2,2’-アゾビス(2-アミジノプロパン)二塩酸塩0.046g(0.17ミリモル)に代えて過硫酸カリウム0.046g(0.17ミリモル)を使用して重合した以外は、実施例1と同様の操作を行い、重合物28.2gを回収した。実施例1と同様に回収した重合物の0.2質量%に相当する量の非晶質シリカを、回収した重合物(28.2g)に添加・混合し、実施例2の鎖状吸水性樹脂として取得した。その後、後述する評価方法に従って、実施例2の鎖状吸水性樹脂の評価を行った。
上記実施例1において、界面活性剤としてのショ糖ステアリン酸エステル0.37gの代わりにポリグリセリン酸エステル(商品名:ポリグリエステルB-100D、HLB値3、三菱化学フーズ株式会社製)0.37gを使用して重合した以外は、実施例1と同様の操作を行い、重合物35.3gを回収した。実施例1と同様に回収した重合物の0.2質量%に相当する量の非晶質シリカを、回収した重合物(35.3g)に添加・混合し、実施例3の鎖状吸水性樹脂として取得した。その後、後述する評価方法に従って、実施例3の鎖状吸水性樹脂の評価を行った。
実施例1と同様の反応装置に、炭化水素分散媒としてエクソールヘプタン300gを入れ、高分子系分散剤として無水マレイン酸変性エチレン-プロピレン共重合体(商品名:ハイワックス1105A、三井化学株式会社製)0.37g、及び、界面活性剤としてショ糖ステアリン酸エステル(商品名:リョートーシュガーエステルS-370、HLB値3、三菱化学フーズ株式会社製)0.37gを添加し、400rpmで攪拌しつつ加温溶解した後、55℃まで冷却した。
実施例1と同様の反応装置に、炭化水素分散媒としてn-ヘプタン416gを入れ、高分子系分散剤として無水マレイン酸変性エチレン-プロピレン共重合体(商品名:ハイワックス1105A、三井化学株式会社製)0.37g、及び、界面活性剤としてショ糖ステアリン酸エステル(商品名:リョートーシュガーエステルS-370、HLB値3、三菱化学フーズ株式会社製)0.37gを添加し、550rpmで攪拌しつつ加温溶解した後、55℃まで冷却した。
還流冷却器、滴下ロート、窒素ガス導入管、及び、翼径50mmの4枚傾斜パドル翼を2段で有する攪拌翼を備えた内径110mmで容積2Lの丸底円筒型セパラブルフラスコを準備した。このフラスコに、炭化水素分散媒としてn-ヘプタン300gを入れ、高分子系分散剤として無水マレイン酸変性エチレン-プロピレン共重合体(商品名:ハイワックス1105A、三井化学株式会社製)0.37g、及び、界面活性剤としてショ糖ステアリン酸エステル(商品名:リョートーシュガーエステルS-370、HLB値3、三菱化学フーズ株式会社製)0.37gを添加し、550rpmで攪拌しつつ加温溶解した後、55℃まで冷却した。
(生理食塩水保水能)
容積500mLのビーカーに、0.9質量%塩化ナトリウム水溶液(生理食塩水)500gを量り取り、マグネチックスターラーバー(8mmφ×30mmのリング無し)を用いて600r/minで撹拌させながら、実施例1~5のそれぞれの吸水性樹脂2.0gを、ママコ(ダマ)が発生しないように分散させた。撹拌させた状態で30分間放置し、吸水性樹脂を十分に膨潤させた。その後、綿袋(メンブロード60番、横100mm×縦200mm)中に注ぎ込み、綿袋の上部を輪ゴムで縛り、遠心力が167Gとなるよう設定した脱水機(株式会社コクサン社製、品番:H-122)を用いて綿袋を1分間脱水し、脱水後の膨潤ゲルを含んだ綿袋の質量Wa(g)を測定した。吸水性樹脂を添加せずに同様の操作を行い、綿袋の湿潤時の空質量Wb(g)を測定し、以下の式から各実施例の吸水性樹脂の保水能を算出した。
生理食塩水保水能(g/g)=[Wa-Wb](g)/吸水性樹脂の質量(g)
生理食塩水吸水速度は、25℃±1℃に調節した室内で測定した。容積100mLのビーカー内に入れた生理食塩水50±0.1gを恒温水槽にて25±0.2℃の温度に調整したのち、マグネチックスターラーバー(8mmφ×30mm、リング無し)で600rpmに攪拌して渦を発生させた。吸水性樹脂2.0±0.002gを、上記生理食塩水中に一度に添加し、吸水性樹脂の添加後から、渦が消失し液面が平坦になるまでの時間(秒)を測定し、当該時間を吸水性樹脂の生理食塩水吸水速度とした。
吸水性樹脂の加圧下吸水能測定に使用した測定装置の模式図を図5に示す。図5に示す測定装置50を用いて測定した。図5に示す測定装置50は、ビュレット部51、導管52、測定台53、及び、測定台53上に置かれた測定部54からなる。ビュレット部51は、ビュレット60の上部にゴム栓64が、下部に空気導入管61及びコック62が、それぞれ連結されている。空気導入管61は先端にコック63を有している。ビュレット部51と測定台53の間には、導管52が取り付けられている。導管52の内径は6mmである。測定台53の中央部には、直径2mmの穴があいており、導管52が連結されている。測定部54は、円筒70(プレキシグラス製)と、この円筒70の底部に接着されたナイロンメッシュ71と、重り72とを有している。円筒70の内径は、20mmである。ナイロンメッシュ71の目開きは、75μm(200メッシュ)である。そして、測定時にはナイロンメッシュ71上に吸水剤55(測定対象の吸水性樹脂)が均一に撒布されている。重り72は、直径19mm、質量60gである。この重り72は、吸水剤55上に置かれ、吸水剤55に対して2.07kPaの荷重を加えることができるようになっている。
加圧下吸水能(ml/g)=(VB-VA)/0.1
(1)試験液(人工尿)の調整
容積10Lの容器に適量の蒸留水を入れ、塩化ナトリウム60g、塩化カルシウム・二水和物1.8g及び塩化マグネシウム・六水和物3.6gを添加し、溶解した。次に、ポリオキシエチレンノニルフェニルエーテル0.15gを添加し、さらに蒸留水を追加して、全体の質量を6000gとした。さらに、少量の青色1号で着色して、試験液を調製した。
単粒子状が凝集し、ブドウの房状の形状を有した粒子により構成される非鎖状吸水性樹脂(商品名:アクアキープSA60S、住友精化株式会社製)を用意した。なお、非鎖状吸水性樹脂には、吸水性樹脂100質量部に対し0.1質量部の非晶質シリカが含まれている。
上記の吸収性物品の中心部を厚み測定器(型番:J-B、尾崎製作所社製)で測定することにより吸収性物品の厚みを得た。
水平の台上に吸収性物品を置いた。吸収性物品の中心部に、内径3cmの液投入用シリンダーを具備した測定器具を置き、50mLの人工尿をそのシリンダー内に一度に投入する(1回目)。次に、前記シリンダーをはずし、吸収性物品をそのままの状態で静置し、1回目の試験液投入開始から30分後(2回目)及び60分後(3回目)にも、1回目と同じ位置に測定器具を用いて同様の操作を行った。3回目の投入から60分経過後、吸収性物品上の試験液投入位置付近に、あらかじめ質量(Wc(g))を測定しておいた10cm四方の濾紙を40枚置き、その上に底面が10cm×10cmの質量5kgの重りを載せた。5分間の荷重後、濾紙の質量(Wd(g))を測定し、増加した質量を逆戻り量(g)とした。逆戻り量が小さいほど、吸収性物品として好ましいと言える。
逆戻り量(g)=Wd-Wc
前記逆戻り量の測定後5分以内に試験液が浸透した吸収性物品の長手方向の拡がり寸法(cm)を測定した。拡散長は短手方向の中央と左端と右端の3箇所で測定し、その平均の数値とした。なお、小数点以下の数値は四捨五入した。
(1)吸収体及び吸収性物品の作製
単粒子状が凝集し、ブドウの房状の形状を有した粒子により構成される非鎖状吸水性樹脂(商品名:アクアキープSA60S、住友精化株式会社製)、解砕パルプ(レオニア社製レイフロック)、及び、実施例1の吸水性樹脂(鎖状吸水性樹脂)を用意した。これらを表3に記載の構成割合での合計重量8gとなるように空気抄造によって均一混合した。その後、40cm×12cmの大きさのティッシュッペーパー(坪量16g/m2)にこれを均一散布させて吸収体コアを形成し、さらに40cm×12cmの大きさのティッシュッペーパー(坪量16g/m2)を重ねた。上下2枚のティッシュペーパーがコアラップに相当する。
上記の試験用吸収体の中心部を厚み測定器(型番:J-B、尾崎製作所社製)で測定することにより試験用吸収体の厚みを得た。
肌触りに係る特性の評価を目的として、自動化表面試験機KES-FB4-AUTO-A(カトーテック株式会社製)を用いて試験用吸収体の摩擦係数の変動(MMD)及び表面粗さ(SMD)を測定した。
従来の吸水性樹脂を用いた吸収体、及びこの吸収体を用いた吸収性物品には、肌触りの観点で改善の余地がある。それは、従来の吸水性樹脂自体の表面が硬いため、吸収体のパルプを減らして薄型化していく際にそれら吸水性樹脂の凹凸を感じやすくなることである。
Claims (10)
- 複数の略球状の粒子が連続的に線状に連結されることによって形成された鎖状部を有し 、前記鎖状部が、直鎖状に連結された3個以上の前記粒子によって形成された直鎖を含む 、鎖状の吸水性樹脂であって、
当該吸水性樹脂の生理食塩水に対する保水能が、当該吸水性樹脂1gに対して45g以 下である、吸水性樹脂。 - 当該吸水性樹脂は、単量体A及び単量体Bを含む2種類以上の単量体の共重合物であり、
前記単量体Aは、(メタ)アクリル酸及びその中和物のうち少なくとも一方であり、
前記単量体Bは、アルコキシポリアルキレングリコール(メタ)アクリレートである、請求項1に記載の吸水性樹脂。 - 前記2種類以上の単量体における前記単量体Aのモル量(α)と前記単量体Bのモル量 (β)の比(α/β)が、1/4~4である、請求項2に記載の吸水性樹脂。
- 当該吸水性樹脂が、HLBが6以下である界面活性剤と、高分子系分散剤(但し、前記 界面活性剤を除く。)と、を含み、
前記界面活性剤が、ショ糖脂肪酸エステル及びポリグリセリン脂肪酸エステルのうち少 なくとも一方を含む、
請求項1~3のいずれか一項に記載の吸水性樹脂。 - 請求項1~4のいずれか一項に記載の吸水性樹脂を含む、吸収体。
- 請求項1~4のいずれか一項に記載の吸水性樹脂と、親水性繊維と、を含む、吸収体。
- 請求項5または6に記載の吸収体を含む、吸収性物品。
- 単量体A及び単量体Bを逆相懸濁重合法により共重合させる重合工程と、
前記重合工程において得られた含水ゲルを乾燥する乾燥工程と、を有し、
前記単量体Aは、(メタ)アクリル酸及びその中和物のうち少なくとも一方を含み、
前記単量体Bは、アルコキシポリアルキレングリコール(メタ)アクリレートを含み、
前記重合工程において、共重合に供する前記単量体Aのモル量(α)と前記単量体Bのモル量(β)の比(α/β)が、1/4~4であり、前記重合工程において、HLBが6 以下である界面活性剤としてショ糖脂肪酸エステル及びポリグリセリン脂肪酸エステルのうち少なくとも一方を反応系に添加し、高分子系分散剤(但し、前記界面活性剤を除く。 )の存在下に重合を行う、吸水性樹脂の製造方法。 - 前記高分子系分散剤が、無水マレイン酸変性ポリエチレン、無水マレイン酸変性ポリプ ロピレン、無水マレイン酸変性エチレン・プロピレン共重合体、無水マレイン酸・エチレ ン共重合体、無水マレイン酸・プロピレン共重合体、無水マレイン酸・エチレン・プロピ レン共重合体、ポリエチレン、ポリプロピレン、エチレン・プロピレン共重合体、酸化型 ポリエチレン、酸化型ポリプロピレン、及び酸化型エチレン・プロピレン共重合体から選 ばれる1種以上を含む、請求項8に記載の吸水性樹脂の製造方法。
- 前記乾燥工程において、炭化水素分散媒の共沸蒸留により、含水量が50質量%以下となるまで前記含水ゲルを脱水する、請求項8又は9に記載の吸水性樹脂の製造方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018235785 | 2018-12-17 | ||
JP2018235789 | 2018-12-17 | ||
JP2018235785 | 2018-12-17 | ||
JP2018235789 | 2018-12-17 | ||
PCT/JP2019/047068 WO2020129594A1 (ja) | 2018-12-17 | 2019-12-02 | 吸水性樹脂、吸収体、吸収性物品、及び吸水性樹脂の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020129594A1 JPWO2020129594A1 (ja) | 2021-10-28 |
JP7233443B2 true JP7233443B2 (ja) | 2023-03-06 |
Family
ID=71101432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020561261A Active JP7233443B2 (ja) | 2018-12-17 | 2019-12-02 | 吸水性樹脂、吸収体、吸収性物品、及び吸水性樹脂の製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220008894A1 (ja) |
EP (1) | EP3901182A4 (ja) |
JP (1) | JP7233443B2 (ja) |
KR (1) | KR102666774B1 (ja) |
CN (1) | CN113195548A (ja) |
WO (1) | WO2020129594A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023189622A1 (ja) * | 2022-03-30 | 2023-10-05 | 住友精化株式会社 | 吸水性樹脂粒子、吸収体、及び吸収性物品 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2802092B2 (ja) | 1989-03-28 | 1998-09-21 | 株式会社日本触媒 | 優れた耐塩性を有する吸水剤 |
JP2000198805A (ja) | 1998-11-06 | 2000-07-18 | Mitsubishi Chemicals Corp | 吸水性複合体およびその製造方法 |
JP2002284803A (ja) | 2001-03-27 | 2002-10-03 | Mitsubishi Chemicals Corp | 高吸水性樹脂の製造方法及び高吸水性樹脂 |
JP2004002891A (ja) | 1994-10-26 | 2004-01-08 | Nippon Shokubai Co Ltd | 吸水性樹脂の造粒粒子およびこれを含む吸収性物品ならびに吸水性樹脂の造粒粒子の製造方法 |
WO2006014031A1 (en) | 2004-08-06 | 2006-02-09 | Nippon Shokubai Co., Ltd. | Particulate water-absorbing agent with water-absorbing resin as main component, method for production of the same, and absorbing article |
JP2007197873A (ja) | 2006-01-27 | 2007-08-09 | Mitsubishi Chemicals Corp | 吸液性複合体及びその製造方法、吸液性物品並びにノズル |
JP2012033025A (ja) | 2010-07-30 | 2012-02-16 | Yazaki Corp | 車両用情報記録システム及び車両用情報記録方法 |
JP2016028117A (ja) | 2014-07-11 | 2016-02-25 | 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 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01249808A (ja) * | 1988-03-31 | 1989-10-05 | Nippon Shokubai Kagaku Kogyo Co Ltd | 耐塩性吸水性樹脂微粒子の製造方法 |
JPH02115201A (ja) * | 1988-10-25 | 1990-04-27 | Nippon Shokubai Kagaku Kogyo Co Ltd | 逆相懸濁重合用分散剤およびそれを用いてなる親水性樹脂の製造方法 |
JP2742447B2 (ja) * | 1989-06-27 | 1998-04-22 | 株式会社日本触媒 | 逆相懸濁重合用分散剤および該分散剤を用いた親水性重合体の製造方法 |
JP2783352B2 (ja) * | 1993-08-13 | 1998-08-06 | 日本化学工業株式会社 | 懸濁重合用安定剤の製造方法 |
US6133193A (en) * | 1994-10-26 | 2000-10-17 | Nippon Shokubai Co., Ltd. | Absorbent resin composition and method for production thereof |
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 |
EP1142696A4 (en) * | 1998-11-06 | 2003-04-16 | Mitsubishi Chem Corp | WATER ABSORBING COMPOSITE, PROCESS FOR PREPARING THE SAME, AND WATER ABSORBING ARTICLE |
DE102004026787B4 (de) * | 2003-06-03 | 2012-06-06 | Nippon Shokubai Co., Ltd. | Verfahren zur Herstellung von wasserabsorbierendem Material |
JP4500134B2 (ja) * | 2003-09-02 | 2010-07-14 | 株式会社日本触媒 | 粒子状吸水性樹脂組成物 |
EP2006306A4 (en) * | 2006-03-31 | 2009-09-02 | Asahi Kasei Chemicals Corp | METHOD FOR THE PRODUCTION OF AGGLOMERATES OF WATER ABSORBENT RESIN PARTICLES AND METHOD OF MANUFACTURING THEREOF |
EP2116572B1 (en) * | 2007-03-01 | 2016-09-07 | Nippon Shokubai Co., Ltd. | Granulated water absorbent containing water-absorbing resin as the main component |
JP5184030B2 (ja) | 2007-10-01 | 2013-04-17 | サンダイヤポリマー株式会社 | 吸収性樹脂粒子、この製造方法及び吸収性物品 |
WO2012014748A1 (ja) * | 2010-07-28 | 2012-02-02 | 住友精化株式会社 | 吸水性樹脂の製造方法 |
PL2615117T3 (pl) * | 2010-09-06 | 2021-08-09 | Sumitomo Seika Chemicals Co., Ltd. | Żywica wodochłonna i sposób jej wytwarzania |
JP6120489B2 (ja) * | 2012-03-23 | 2017-04-26 | 住友精化株式会社 | スプレー噴霧用水性組成物 |
KR101684649B1 (ko) * | 2014-06-13 | 2016-12-08 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 및 이를 통해 제조된 고흡수성 수지 |
JP5766344B1 (ja) * | 2014-07-11 | 2015-08-19 | 住友精化株式会社 | 吸水性樹脂及び吸収性物品 |
JP5719078B1 (ja) * | 2014-07-11 | 2015-05-13 | 住友精化株式会社 | 吸水性樹脂の製造方法 |
US11332558B2 (en) * | 2017-03-02 | 2022-05-17 | Sumitomo Seika Chemicals Co., Ltd. | Water-absorbent resin, and soil |
-
2019
- 2019-12-02 JP JP2020561261A patent/JP7233443B2/ja active Active
- 2019-12-02 WO PCT/JP2019/047068 patent/WO2020129594A1/ja unknown
- 2019-12-02 EP EP19900702.2A patent/EP3901182A4/en active Pending
- 2019-12-02 US US17/413,783 patent/US20220008894A1/en active Pending
- 2019-12-02 KR KR1020217020719A patent/KR102666774B1/ko active IP Right Grant
- 2019-12-02 CN CN201980083305.4A patent/CN113195548A/zh active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2802092B2 (ja) | 1989-03-28 | 1998-09-21 | 株式会社日本触媒 | 優れた耐塩性を有する吸水剤 |
JP2004002891A (ja) | 1994-10-26 | 2004-01-08 | Nippon Shokubai Co Ltd | 吸水性樹脂の造粒粒子およびこれを含む吸収性物品ならびに吸水性樹脂の造粒粒子の製造方法 |
JP2000198805A (ja) | 1998-11-06 | 2000-07-18 | Mitsubishi Chemicals Corp | 吸水性複合体およびその製造方法 |
JP2002284803A (ja) | 2001-03-27 | 2002-10-03 | Mitsubishi Chemicals Corp | 高吸水性樹脂の製造方法及び高吸水性樹脂 |
WO2006014031A1 (en) | 2004-08-06 | 2006-02-09 | Nippon Shokubai Co., Ltd. | Particulate water-absorbing agent with water-absorbing resin as main component, method for production of the same, and absorbing article |
JP2006068731A (ja) | 2004-08-06 | 2006-03-16 | Nippon Shokubai Co Ltd | 吸水性樹脂を主成分とする粒子状吸水剤、その製造方法及び吸収性物品 |
JP2007197873A (ja) | 2006-01-27 | 2007-08-09 | Mitsubishi Chemicals Corp | 吸液性複合体及びその製造方法、吸液性物品並びにノズル |
JP2012033025A (ja) | 2010-07-30 | 2012-02-16 | Yazaki Corp | 車両用情報記録システム及び車両用情報記録方法 |
JP2016028117A (ja) | 2014-07-11 | 2016-02-25 | 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 |
Also Published As
Publication number | Publication date |
---|---|
EP3901182A1 (en) | 2021-10-27 |
JPWO2020129594A1 (ja) | 2021-10-28 |
KR102666774B1 (ko) | 2024-05-16 |
US20220008894A1 (en) | 2022-01-13 |
KR20210100141A (ko) | 2021-08-13 |
CN113195548A (zh) | 2021-07-30 |
WO2020129594A1 (ja) | 2020-06-25 |
EP3901182A4 (en) | 2022-10-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10265226B2 (en) | Water-absorbent resin, water-absorbent material, and water-absorbent article | |
JP5893117B2 (ja) | 吸水性樹脂及び吸収性物品 | |
JP5719078B1 (ja) | 吸水性樹脂の製造方法 | |
KR102501011B1 (ko) | 흡수성 수지 | |
WO2016006132A1 (ja) | 吸水性樹脂及び吸収性物品 | |
JP2006176570A (ja) | 吸水性樹脂粒子の製造方法及びそれを用いた衛生材料 | |
US20200353443A1 (en) | Water-absorbent resin | |
JPWO2018159802A1 (ja) | 吸水性樹脂及び吸収性物品 | |
KR20190122693A (ko) | 흡수성 수지 조성물, 흡수체 및 흡수성 물품 | |
JP2021058771A (ja) | 吸水性樹脂粒子、吸収性物品、吸水性樹脂粒子を製造する方法、及び吸収体の加圧下での吸収量を高める方法 | |
JP6737571B2 (ja) | 吸水性樹脂及び吸収性物品 | |
JP7233443B2 (ja) | 吸水性樹脂、吸収体、吸収性物品、及び吸水性樹脂の製造方法 | |
JP7129490B2 (ja) | 吸水性樹脂粒子、吸収体、吸収性物品、及び液吸引力測定方法 | |
JP6923997B2 (ja) | 吸水性樹脂の製造方法 | |
JP7194197B2 (ja) | 吸収体及び吸収性物品 | |
JP2012001735A (ja) | 吸水性樹脂粒子の製造方法及びそれを用いた衛生材料 | |
WO2022210115A1 (ja) | 吸収体及び吸収性物品 | |
JP7091556B2 (ja) | 吸水性樹脂粒子、及び吸水シート | |
WO2022210678A1 (ja) | 吸水性樹脂、吸収体及び吸収性物品 | |
WO2023176644A1 (ja) | 吸水性樹脂粒子及び吸収性物品 | |
JP7457718B2 (ja) | 吸収性物品及び補助シート | |
WO2022255301A1 (ja) | 吸収性物品 | |
WO2022255302A1 (ja) | 吸水シート及び吸収性物品 | |
WO2023189672A1 (ja) | 吸水性樹脂粒子及び吸収性物品 | |
WO2020095811A1 (ja) | 吸水性樹脂 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210614 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220222 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220420 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220628 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20220825 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20221026 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20221026 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230214 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230221 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7233443 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |