WO2016080475A1 - 消泡剤 - Google Patents
消泡剤 Download PDFInfo
- Publication number
- WO2016080475A1 WO2016080475A1 PCT/JP2015/082483 JP2015082483W WO2016080475A1 WO 2016080475 A1 WO2016080475 A1 WO 2016080475A1 JP 2015082483 W JP2015082483 W JP 2015082483W WO 2016080475 A1 WO2016080475 A1 WO 2016080475A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- oil
- hydrophobicity
- degree
- antifoaming agent
- value
- Prior art date
Links
- 239000002518 antifoaming agent Substances 0.000 title claims abstract description 55
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 160
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 71
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 58
- 150000001875 compounds Chemical class 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 31
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 31
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 31
- 238000005259 measurement Methods 0.000 claims abstract description 22
- 229920002545 silicone oil Polymers 0.000 claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 239000011259 mixed solution Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000005342 ion exchange Methods 0.000 claims abstract description 6
- 239000007864 aqueous solution Substances 0.000 claims abstract description 5
- 238000007654 immersion Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 43
- 239000006185 dispersion Substances 0.000 claims description 28
- 238000004519 manufacturing process Methods 0.000 claims description 20
- 239000000243 solution Substances 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000001993 wax Substances 0.000 claims description 12
- 239000004094 surface-active agent Substances 0.000 claims description 10
- 239000004816 latex Substances 0.000 claims description 9
- 229920000126 latex Polymers 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 9
- 239000002655 kraft paper Substances 0.000 claims description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 5
- 150000001408 amides Chemical class 0.000 claims description 5
- 238000004061 bleaching Methods 0.000 claims description 5
- 238000010411 cooking Methods 0.000 claims description 5
- 239000000178 monomer Substances 0.000 claims description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 238000004065 wastewater treatment Methods 0.000 claims description 5
- 239000013055 pulp slurry Substances 0.000 claims description 4
- 239000000344 soap Substances 0.000 claims description 4
- 230000002688 persistence Effects 0.000 abstract description 2
- GRONZTPUWOOUFQ-UHFFFAOYSA-M sodium;methanol;hydroxide Chemical group [OH-].[Na+].OC GRONZTPUWOOUFQ-UHFFFAOYSA-M 0.000 abstract description 2
- -1 aliphatic alcohols Chemical class 0.000 description 69
- 239000003921 oil Substances 0.000 description 60
- 235000019198 oils Nutrition 0.000 description 60
- 239000003795 chemical substances by application Substances 0.000 description 46
- 229920001296 polysiloxane Chemical class 0.000 description 39
- 238000003756 stirring Methods 0.000 description 33
- 235000005956 Cosmos caudatus Nutrition 0.000 description 32
- 235000014113 dietary fatty acids Nutrition 0.000 description 27
- 239000000194 fatty acid Substances 0.000 description 27
- 229930195729 fatty acid Natural products 0.000 description 27
- 125000004432 carbon atom Chemical group C* 0.000 description 25
- 239000007809 chemical reaction catalyst Substances 0.000 description 21
- 150000004665 fatty acids Chemical class 0.000 description 21
- 239000000126 substance Substances 0.000 description 21
- 239000002480 mineral oil Substances 0.000 description 20
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 19
- 239000000203 mixture Substances 0.000 description 19
- 239000006260 foam Substances 0.000 description 18
- 235000010446 mineral oil Nutrition 0.000 description 18
- 239000004205 dimethyl polysiloxane Substances 0.000 description 17
- 238000010438 heat treatment Methods 0.000 description 17
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 17
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 15
- 239000002245 particle Substances 0.000 description 14
- 238000002156 mixing Methods 0.000 description 12
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 11
- 239000001257 hydrogen Substances 0.000 description 11
- 229910052739 hydrogen Inorganic materials 0.000 description 11
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 10
- 125000000217 alkyl group Chemical group 0.000 description 10
- 239000011521 glass Substances 0.000 description 10
- 239000003960 organic solvent Substances 0.000 description 10
- 239000002904 solvent Substances 0.000 description 9
- 125000002947 alkylene group Chemical group 0.000 description 8
- 239000012085 test solution Substances 0.000 description 8
- 239000002562 thickening agent Substances 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 7
- 230000003254 anti-foaming effect Effects 0.000 description 7
- 125000003118 aryl group Chemical group 0.000 description 7
- 239000007795 chemical reaction product Substances 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 150000005215 alkyl ethers Chemical class 0.000 description 6
- 239000003995 emulsifying agent Substances 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 6
- 238000010298 pulverizing process Methods 0.000 description 6
- 229920002050 silicone resin Polymers 0.000 description 6
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000010689 synthetic lubricating oil Substances 0.000 description 6
- 235000015112 vegetable and seed oil Nutrition 0.000 description 6
- 239000008158 vegetable oil Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 150000001340 alkali metals Chemical class 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 5
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- 235000011187 glycerol Nutrition 0.000 description 5
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002841 Lewis acid Substances 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 239000010775 animal oil Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 125000004093 cyano group Chemical group *C#N 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000005187 foaming Methods 0.000 description 4
- 125000005843 halogen group Chemical group 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 150000007517 lewis acids Chemical class 0.000 description 4
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 229920001451 polypropylene glycol Polymers 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000001593 sorbitan monooleate Substances 0.000 description 4
- 235000011069 sorbitan monooleate Nutrition 0.000 description 4
- 229940035049 sorbitan monooleate Drugs 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 239000007822 coupling agent Substances 0.000 description 3
- 238000007865 diluting Methods 0.000 description 3
- PFBWBEXCUGKYKO-UHFFFAOYSA-N ethene;n-octadecyloctadecan-1-amine Chemical compound C=C.CCCCCCCCCCCCCCCCCCNCCCCCCCCCCCCCCCCCC PFBWBEXCUGKYKO-UHFFFAOYSA-N 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 3
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000003755 preservative agent Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- GJWAPAVRQYYSTK-UHFFFAOYSA-N [(dimethyl-$l^{3}-silanyl)amino]-dimethylsilicon Chemical compound C[Si](C)N[Si](C)C GJWAPAVRQYYSTK-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 description 2
- KBPLFHHGFOOTCA-UHFFFAOYSA-N caprylic alcohol Natural products CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- 239000004203 carnauba wax Substances 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- LFGMBVOAGOMKBY-UHFFFAOYSA-N dimethyl(octadecyl)silicon Chemical compound CCCCCCCCCCCCCCCCCC[Si](C)C LFGMBVOAGOMKBY-UHFFFAOYSA-N 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- NOPFSRXAKWQILS-UHFFFAOYSA-N docosan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCCCCCO NOPFSRXAKWQILS-UHFFFAOYSA-N 0.000 description 2
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- QTPSKITYPRTFOD-UHFFFAOYSA-N ethene N-hexadecylhexadecan-1-amine Chemical compound C=C.CCCCCCCCCCCCCCCCNCCCCCCCCCCCCCCCC QTPSKITYPRTFOD-UHFFFAOYSA-N 0.000 description 2
- JNIBWOOPKQACMT-UHFFFAOYSA-N ethene N-tetradecyltetradecan-1-amine Chemical compound C=C.CCCCCCCCCCCCCCNCCCCCCCCCCCCCC JNIBWOOPKQACMT-UHFFFAOYSA-N 0.000 description 2
- 235000019197 fats Nutrition 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- HSEMFIZWXHQJAE-UHFFFAOYSA-N hexadecanamide Chemical compound CCCCCCCCCCCCCCCC(N)=O HSEMFIZWXHQJAE-UHFFFAOYSA-N 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 239000004200 microcrystalline wax Substances 0.000 description 2
- 235000019808 microcrystalline wax Nutrition 0.000 description 2
- DXRBUOPZRRYFLU-UHFFFAOYSA-N n-dodecyldodecan-1-amine;ethene Chemical compound C=C.CCCCCCCCCCCCNCCCCCCCCCCCC DXRBUOPZRRYFLU-UHFFFAOYSA-N 0.000 description 2
- NWZZFAQUBMRYNU-UHFFFAOYSA-N n-octadecylnonadec-18-en-1-amine Chemical compound CCCCCCCCCCCCCCCCCCNCCCCCCCCCCCCCCCCCC=C NWZZFAQUBMRYNU-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- UTOPWMOLSKOLTQ-UHFFFAOYSA-N octacosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O UTOPWMOLSKOLTQ-UHFFFAOYSA-N 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- 229940113162 oleylamide Drugs 0.000 description 2
- 239000004209 oxidized polyethylene wax Substances 0.000 description 2
- 235000013873 oxidized polyethylene wax Nutrition 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000010091 synthetic rubber production Methods 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- LAKPAFZLNCJMEN-UHFFFAOYSA-L (2,3,4,5,6-pentafluorophenyl)aluminum(2+);difluoride Chemical compound [F-].[F-].FC1=C(F)C(F)=C([Al+2])C(F)=C1F LAKPAFZLNCJMEN-UHFFFAOYSA-L 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- OXDXXMDEEFOVHR-CLFAGFIQSA-N (z)-n-[2-[[(z)-octadec-9-enoyl]amino]ethyl]octadec-9-enamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)NCCNC(=O)CCCCCCC\C=C/CCCCCCCC OXDXXMDEEFOVHR-CLFAGFIQSA-N 0.000 description 1
- QGLWBTPVKHMVHM-KTKRTIGZSA-N (z)-octadec-9-en-1-amine Chemical compound CCCCCCCC\C=C/CCCCCCCCN QGLWBTPVKHMVHM-KTKRTIGZSA-N 0.000 description 1
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- FJLUATLTXUNBOT-UHFFFAOYSA-N 1-Hexadecylamine Chemical compound CCCCCCCCCCCCCCCCN FJLUATLTXUNBOT-UHFFFAOYSA-N 0.000 description 1
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- LDMRLRNXHLPZJN-UHFFFAOYSA-N 3-propoxypropan-1-ol Chemical compound CCCOCCCO LDMRLRNXHLPZJN-UHFFFAOYSA-N 0.000 description 1
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 1
- 125000000590 4-methylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- OTLNPYWUJOZPPA-UHFFFAOYSA-N 4-nitrobenzoic acid Chemical compound OC(=O)C1=CC=C([N+]([O-])=O)C=C1 OTLNPYWUJOZPPA-UHFFFAOYSA-N 0.000 description 1
- 229940100484 5-chloro-2-methyl-4-isothiazolin-3-one Drugs 0.000 description 1
- JXSRRBVHLUJJFC-UHFFFAOYSA-N 7-amino-2-methylsulfanyl-[1,2,4]triazolo[1,5-a]pyrimidine-6-carbonitrile Chemical compound N1=CC(C#N)=C(N)N2N=C(SC)N=C21 JXSRRBVHLUJJFC-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 235000021357 Behenic acid Nutrition 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- PVZZKUZQDUZYPG-UHFFFAOYSA-N C(=C)[Si](OCC)(OCC)OCC.C(CCCCCCCCC)[Si](OCC)(OCC)OCC Chemical compound C(=C)[Si](OCC)(OCC)OCC.C(CCCCCCCCC)[Si](OCC)(OCC)OCC PVZZKUZQDUZYPG-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- WWZKQHOCKIZLMA-UHFFFAOYSA-N Caprylic acid Natural products CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 1
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- OMSLZNALGZWNOP-UHFFFAOYSA-N tert-butyl(diphenyl)alumane Chemical compound C=1C=CC=CC=1[Al](C(C)(C)C)C1=CC=CC=C1 OMSLZNALGZWNOP-UHFFFAOYSA-N 0.000 description 1
- MRNSDRDIRHBOHF-UHFFFAOYSA-N tert-butyl(diphenyl)borane Chemical compound C=1C=CC=CC=1B(C(C)(C)C)C1=CC=CC=C1 MRNSDRDIRHBOHF-UHFFFAOYSA-N 0.000 description 1
- JOAHRUIBNWOOBT-UHFFFAOYSA-N tert-butyl-bis(2,3,4,5,6-pentafluorophenyl)borane Chemical compound FC=1C(F)=C(F)C(F)=C(F)C=1B(C(C)(C)C)C1=C(F)C(F)=C(F)C(F)=C1F JOAHRUIBNWOOBT-UHFFFAOYSA-N 0.000 description 1
- SZVYAYSZFSWUTK-UHFFFAOYSA-L tert-butylaluminum(2+);difluoride Chemical compound [F-].[F-].CC(C)(C)[Al+2] SZVYAYSZFSWUTK-UHFFFAOYSA-L 0.000 description 1
- BCNZYOJHNLTNEZ-UHFFFAOYSA-N tert-butyldimethylsilyl chloride Chemical compound CC(C)(C)[Si](C)(C)Cl BCNZYOJHNLTNEZ-UHFFFAOYSA-N 0.000 description 1
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- ZGYICYBLPGRURT-UHFFFAOYSA-N tri(propan-2-yl)silicon Chemical compound CC(C)[Si](C(C)C)C(C)C ZGYICYBLPGRURT-UHFFFAOYSA-N 0.000 description 1
- BNCXNUWGWUZTCN-UHFFFAOYSA-N trichloro(dodecyl)silane Chemical compound CCCCCCCCCCCC[Si](Cl)(Cl)Cl BNCXNUWGWUZTCN-UHFFFAOYSA-N 0.000 description 1
- ZOYFEXPFPVDYIS-UHFFFAOYSA-N trichloro(ethyl)silane Chemical compound CC[Si](Cl)(Cl)Cl ZOYFEXPFPVDYIS-UHFFFAOYSA-N 0.000 description 1
- ORVMIVQULIKXCP-UHFFFAOYSA-N trichloro(phenyl)silane Chemical compound Cl[Si](Cl)(Cl)C1=CC=CC=C1 ORVMIVQULIKXCP-UHFFFAOYSA-N 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- JCVQKRGIASEUKR-UHFFFAOYSA-N triethoxy(phenyl)silane Chemical compound CCO[Si](OCC)(OCC)C1=CC=CC=C1 JCVQKRGIASEUKR-UHFFFAOYSA-N 0.000 description 1
- ISPSHPOFLYFIRR-UHFFFAOYSA-N trihexylsilicon Chemical compound CCCCCC[Si](CCCCCC)CCCCCC ISPSHPOFLYFIRR-UHFFFAOYSA-N 0.000 description 1
- NMEPHPOFYLLFTK-UHFFFAOYSA-N trimethoxy(octyl)silane Chemical compound CCCCCCCC[Si](OC)(OC)OC NMEPHPOFYLLFTK-UHFFFAOYSA-N 0.000 description 1
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 description 1
- MWZATVIRTOMCCI-UHFFFAOYSA-N trimethoxy-(2-methylphenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1C MWZATVIRTOMCCI-UHFFFAOYSA-N 0.000 description 1
- XQEGZYAXBCFSBS-UHFFFAOYSA-N trimethoxy-(4-methylphenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=C(C)C=C1 XQEGZYAXBCFSBS-UHFFFAOYSA-N 0.000 description 1
- VIPCDVWYAADTGR-UHFFFAOYSA-N trimethyl(methylsilyl)silane Chemical compound C[SiH2][Si](C)(C)C VIPCDVWYAADTGR-UHFFFAOYSA-N 0.000 description 1
- UHUUYVZLXJHWDV-UHFFFAOYSA-N trimethyl(methylsilyloxy)silane Chemical compound C[SiH2]O[Si](C)(C)C UHUUYVZLXJHWDV-UHFFFAOYSA-N 0.000 description 1
- 239000005051 trimethylchlorosilane Substances 0.000 description 1
- QTKHQYWRGFZFHG-UHFFFAOYSA-N trioctylsilicon Chemical compound CCCCCCCC[Si](CCCCCCCC)CCCCCCCC QTKHQYWRGFZFHG-UHFFFAOYSA-N 0.000 description 1
- JQPMDTQDAXRDGS-UHFFFAOYSA-N triphenylalumane Chemical compound C1=CC=CC=C1[Al](C=1C=CC=CC=1)C1=CC=CC=C1 JQPMDTQDAXRDGS-UHFFFAOYSA-N 0.000 description 1
- MXSVLWZRHLXFKH-UHFFFAOYSA-N triphenylborane Chemical compound C1=CC=CC=C1B(C=1C=CC=CC=1)C1=CC=CC=C1 MXSVLWZRHLXFKH-UHFFFAOYSA-N 0.000 description 1
- ZHOVAWFVVBWEGQ-UHFFFAOYSA-N tripropylsilane Chemical compound CCC[SiH](CCC)CCC ZHOVAWFVVBWEGQ-UHFFFAOYSA-N 0.000 description 1
- POHPFVPVRKJHCR-UHFFFAOYSA-N tris(2,3,4,5,6-pentafluorophenyl)alumane Chemical compound FC1=C(F)C(F)=C(F)C(F)=C1[Al](C=1C(=C(F)C(F)=C(F)C=1F)F)C1=C(F)C(F)=C(F)C(F)=C1F POHPFVPVRKJHCR-UHFFFAOYSA-N 0.000 description 1
- OBAJXDYVZBHCGT-UHFFFAOYSA-N tris(pentafluorophenyl)borane Chemical compound FC1=C(F)C(F)=C(F)C(F)=C1B(C=1C(=C(F)C(F)=C(F)C=1F)F)C1=C(F)C(F)=C(F)C(F)=C1F OBAJXDYVZBHCGT-UHFFFAOYSA-N 0.000 description 1
- UBOKAQVLIKXDOL-UHFFFAOYSA-N tris-decylsilane Chemical compound CCCCCCCCCC[SiH](CCCCCCCCCC)CCCCCCCCCC UBOKAQVLIKXDOL-UHFFFAOYSA-N 0.000 description 1
- RTAKQLTYPVIOBZ-UHFFFAOYSA-N tritert-butylalumane Chemical compound CC(C)(C)[Al](C(C)(C)C)C(C)(C)C RTAKQLTYPVIOBZ-UHFFFAOYSA-N 0.000 description 1
- HWWBSHOPAPTOMP-UHFFFAOYSA-N tritert-butylborane Chemical compound CC(C)(C)B(C(C)(C)C)C(C)(C)C HWWBSHOPAPTOMP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229940098697 zinc laurate Drugs 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
- GPYYEEJOMCKTPR-UHFFFAOYSA-L zinc;dodecanoate Chemical compound [Zn+2].CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O GPYYEEJOMCKTPR-UHFFFAOYSA-L 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
- B01D19/04—Foam dispersion or prevention by addition of chemical substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
- B01D19/04—Foam dispersion or prevention by addition of chemical substances
- B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
- B01D19/04—Foam dispersion or prevention by addition of chemical substances
- B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
- B01D19/0409—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing Si-atoms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C1/00—Treatment of rubber latex
- C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
- C08C1/04—Purifying; Deproteinising
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/28—Prevention of foam
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/12—Defoamers
Definitions
- the present invention relates to an antifoaming agent.
- a defoaming composition wherein the composition does not contain a hydrophobizing catalyst residue, is essentially composed of an inert, hydrophobic, liquid carrier, and the liquid carrier is dispersed therein. For 4 hours or less at a temperature in the range of about 100 to 140 ° C. under vacuum in the absence of a catalyst under conditions where the hydrophobic silica particles have hydrophilic silica particles.
- an “antifoaming composition” (Patent Document 1) prepared by a process including a step comprising contacting with silicone oil is known.
- an object of the present invention is to provide an antifoaming agent having excellent antifoaming durability.
- the antifoaming agent of the present invention is characterized by a hydrophobization degree [M value (M X )] of 50 to 85 and a pH / 13 sodium hydroxide methanol / ion exchange aqueous solution (volume ratio of 80/85) at 25 ° C.
- a hydrophobic silica (A) The gist is that it comprises at least one liquid selected from the group consisting of a hydrocarbon oil (B), a non-reactive silicone oil (C) and a polyoxyalkylene compound (D).
- the feature of the method for producing a latex of the present invention is summarized in that it includes a demonomer step in which unreacted monomers are distilled off from the latex polymerization dispersion in the presence of the antifoaming agent.
- the kraft pulp production method of the present invention is characterized in that the antifoaming agent is added to the pulp slurry or the treatment liquid in the cooking step, the washing step, the bleaching step, the black liquor concentrated soda recovery step and / or the wastewater treatment step. Is the gist.
- the antifoaming agent of the present invention exhibits excellent defoaming sustainability. Therefore, when the antifoaming agent of the present invention is used, the antifoaming property lasts long.
- the demonomer step is performed in the presence of the antifoaming agent, the unreacted monomer can be efficiently distilled off under reduced pressure from the latex polymerization dispersion.
- the antifoaming agent is added to the pulp slurry or the treatment liquid, and the cooking process, the washing process, the bleaching process, the black liquor concentrated soda recovery process and / or the wastewater treatment process are performed. Therefore, kraft pulp can be manufactured efficiently.
- Hydrophobic silica (A) includes hydrophobic silica obtained by hydrophobizing hydrophilic silica with a hydrophobizing agent.
- Hydrophilic silica includes wet method (precipitation method, gel method) silica and gas phase method (pyrolysis method, melting method) silica. In addition, since hydrophilic silica has a silanol group etc. on the silica surface, it shows hydrophilicity.
- Hydrophilic silica can be easily obtained from the market, and examples thereof include the following products.
- Sipernat series ⁇ Evonik Degussa Japan Co., Ltd.
- Sipernat is a registered trademark of Evonik Degussa GmbH.
- Carplex series ⁇ DSL. Japan Corporation
- Carplex is a DSL. It is a registered trademark of Japan Corporation.
- FINESIL series ⁇ Tokuyama Corporation
- FINESIL is a registered trademark of Oriental Silicas Corporation.
- TOKUSIL ⁇ Tokuyama Corporation
- TOKUSIL is a registered trademark of Oriental Silicas Corporation.
- Zeosil series ⁇ Rhodia "Zeosil” is a registered trademark of Rhodia Simi.
- MIZUKASIL series ⁇ Mizusawa Chemical Industry Co., Ltd.
- MIZUKASIL is a registered trademark of Mizusawa Chemical Industry Co., Ltd. ⁇ etc.
- Admafine series ⁇ Admatechs, Inc.
- Admafine is a registered trademark of Admatechs. ⁇ , Fuselex series ⁇ Tatsumori Co., Ltd. ⁇ , Denka fused silica series ⁇ Electrochemical Industry Co., Ltd. ⁇ , etc.
- Hydrophobizing agents include halosilanes, alkoxysilanes, hydrosilanes, disilazanes, fatty acids having 4 to 28 carbon atoms, aliphatic alcohols having 4 to 36 carbon atoms, aliphatic amines having 12 to 22 carbon atoms, and silicone compounds.
- halosilane examples include alkylhalosilanes and arylhalosilanes having an alkyl group or aryl group having 1 to 12 carbon atoms, such as methyltrichlorosilane, dimethyldichlorosilane, trimethylchlorosilane, trimethylbromosilane, ethyltrichlorosilane, and dodecyltrichlorosilane. , Phenyltrichlorosilane, diphenyldichlorosilane, t-butyldimethylchlorosilane, and the like.
- Alkoxysilanes include alkoxysilanes having 1 to 12 carbon atoms in the alkyl group or aryl group and 1 to 2 carbon atoms in the alkoxy group, such as methyltrimethoxysilane, dimethyldimethoxysilane, phenyltrimethoxysilane, diphenyldimethoxy.
- Silane o-methylphenyltrimethoxysilane, p-methylphenyltrimethoxysilane, n-butyltrimethoxysilane, i-butyltrimethoxysilane, hexyltrimethoxysilane, octyltrimethoxysilane, decyltrimethoxysilane, dodecyltrimethoxy Silane, tetraethoxysilane, methyltriethoxysilane, dimethyldiethoxysilane, phenyltriethoxysilane, diphenyldiethoxysilane, i-butyltriethoxysilane, decyltriethoxysilane Vinyltriethoxysilane and ⁇ - methacryloxypropyl trimethoxy silane, and the like.
- hydrosilane examples include alkyl hydrosilanes and aryl hydrosilanes having an alkyl group or aryl group having 1 to 18 carbon atoms, such as dimethylethylsilane, diethylmethylsilane, tert-butyldimethylsilane, dimethyloctadecylsilane, and cyclohexyldimethylsilane.
- disilazane examples include tetramethyldisilazane.
- fatty acids having 4 to 28 carbon atoms examples include butanoic acid, hexanoic acid, lauric acid, stearic acid, oleic acid, behenic acid, and montanic acid.
- Examples of the aliphatic alcohol having 4 to 36 carbon atoms include n-butyl alcohol, n-amyl alcohol, n-octanol, lauryl alcohol, stearyl alcohol and behenyl alcohol.
- Examples of the aliphatic amine having 12 to 22 carbon atoms include dodecylamine, stearylamine and oleylamine.
- silicone compound examples include dimethylpolysiloxane, aryl-modified polysiloxane (aryl group having 6 to 10 carbon atoms), alkyl-modified polysiloxane (alkyl group having 2 to 6 carbon atoms), amino group-modified polysiloxane, and 3 to 5 mer.
- dimethylpolysiloxane one having a kinematic viscosity (25 ° C.) of 0.65 to 1000 mm 2 / s can be used.
- aryl-modified polysiloxane and alkyl-modified polysiloxane those having a kinematic viscosity (25 ° C.) of 1 to 10,000 mm 2 / s can be used.
- amino group-modified polysiloxane those having a kinematic viscosity (25 ° C.) of 1 to 10,000 mm 2 / s can be used.
- 3-5 mer cyclic silicone hexamethylcyclotrisiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, and the like can be used.
- methyl hydrogen polysiloxane one having a kinematic viscosity (25 ° C.) of 1 to 10,000 mm 2 / s can be used.
- the reaction product of dimethylpolysiloxane and methylhydrogenpolysiloxane is obtained by mixing the dimethylpolysiloxane and methylhydrogenpolysiloxane at room temperature (about 25 ° C) using concentrated sulfuric acid as a catalyst. Those having a viscosity (25 ° C.) of 1 to 10,000 mm 2 / s can be used.
- silicone resin MQ resin composed of any combination of triorganosiloxy unit (M unit) and siloxy unit (Q unit) can be used.
- a silicone resin is used as the hydrophobizing agent, it is preferably used in the form of a solution in which the silicone resin is dissolved in cyclic silicone or low-viscosity chain silicone.
- hydrophobizing agent used for the hydrophobizing treatment in addition to the above, known coupling agents (silane coupling agents other than the above, titanate coupling agents, zircoaluminate coupling agents, etc.) can also be used.
- halosilanes, alkoxysilanes, hydrosilanes, disilazanes, and silicone compounds are preferred, hydrosilanes, disilazanes, and silicone compounds are more preferred, and hydrosilanes, disilazanes, dimethylpolysiloxanes, methylhydrosilanes are particularly preferred.
- Genpolysiloxane, a reaction product of dimethylpolysiloxane and methylhydrogenpolysiloxane, and a silicone resin are particularly preferred.
- a known method can be applied to the hydrophobizing treatment, for example, at least selected from the group consisting of hydrophobizing solvent ⁇ hydrocarbon oil (B), non-reactive silicone oil (C) and polyoxyalkylene compound (D).
- B hydrophobizing solvent ⁇ hydrocarbon oil
- C non-reactive silicone oil
- D polyoxyalkylene compound
- hydrophobization solvent if at least one liquid selected from the group consisting of hydrocarbon oil (B), non-reactive silicone oil (C) and polyoxyalkylene compound (D) is used as the hydrophobization solvent, if necessary This may be removed (by distillation, filtration, washing, etc.) or left as it is.
- a hydrophobic organic solvent when a hydrophobic organic solvent is used as the hydrophobic treatment solvent, it is preferable to remove the hydrophobic organic solvent (by distillation, filtration, washing, etc.).
- a method of adsorbing or reacting the hydrophobizing agent on the surface of the hydrophilic silica dry hydrophobizing treatment
- stirring the hydrophilic silica and the hydrophobizing agent can also be applied.
- hydrocarbon oil (B) mineral oil, animal and vegetable oil, synthetic lubricating oil, and the like can be used.
- Mineral oil includes spindle oil, machine oil, refrigerator oil, and the like.
- Animal and vegetable oils include fish oil, rapeseed oil, soybean oil, sunflower seed oil, cottonseed oil, peanut oil, rice bran oil, corn oil, safflower oil, olive oil, sesame oil, evening primrose oil, palm oil, shea fat, monkey fat, cocoa butter, A coconut oil, a palm kernel oil, etc. are mentioned.
- the synthetic lubricating oil include polyolefin oil ( ⁇ -olefin oil), polyglycol oil, polybutene oil, alkylbenzene oil (alkylate oil), and isoparaffin oil.
- the hydrocarbon oil (B) preferably contains a mineral oil and / or a synthetic lubricating oil, and more preferably has a kinematic viscosity (mm 2 / s; 40 ° C.) of 0.5 to 30 (preferably 0.8 to 27). And more preferably 1-25) mineral oil and / or synthetic lubricating oil.
- Mineral oils, animal and vegetable oils and synthetic lubricating oils can be easily obtained from the market.
- Mineral oils and synthetic lubricating oils include Cosmo SC22 (21 mm 2 / s), Cosmo SP10 (10 mm 2 / s), Cosmo RC spindle oil ( 10 mm 2 / s), Cosmo RB spindle oil (15 mm 2 / s), Cosmo Neutral 150 (32 mm 2 / s), Cosmo Pure Spin G (21 mm 2 / s) and Cosmo Pure Spin E (5 mm 2 / s) (Cosmo Petroleum Lubricants Co., Ltd., “Cosmo” is a registered trademark of Cosmo Oil Co., Ltd.); Nisseki Super Oil C (93 mm 2 / s), Nisseki Super Oil D (141 mm 2 / s) and Nisseki Super Oil B (54 mm 2 / s) (Shin Nippon Oil Co., Ltd.); stanol 43N (27 mm 2 / s), stanol 52 (56
- Non-reactive silicone oil (C) includes dimethylpolysiloxane and polyether-modified polysiloxane.
- Kinematic viscosity of dimethylpolysiloxane (including dimethylpolysiloxane having a kinematic viscosity of 500 to 1000 mm 2 / s among dimethylpolysiloxanes (kinematic viscosity of 0.65 to 1000 mm 2 / s) that can be used as a hydrophobizing agent) (25 (° C .; mm 2 / s) is preferably 500 to 500,000, more preferably 1000 to 50,000.
- polyether-modified polysiloxane one having a kinematic viscosity (25 ° C.) of 1 to 10,000 mm 2 / s and an HLB of 2 to 5 can be used.
- HLB is a concept that represents the balance between hydrophilic and hydrophobic groups in the molecule
- HLB value of polyether-modified polysiloxane is "Surfactant Properties and Applications” (author Takao Karime, Issuing Co., Ltd.)
- HLB ⁇ ⁇ (HLB ⁇ ) ⁇ (W ⁇ + W ⁇ ) - (W ⁇ ⁇ HLB ⁇ ) ⁇ ⁇ W ⁇
- W ⁇ is the weight fraction of the emulsifier ( ⁇ ) based on the total weight of the polyether-modified polysiloxane ( ⁇ ) and the emulsifier ( ⁇ ), and W ⁇ is the total weight of the polyether-modified polysiloxane ( ⁇ ) and the emulsifier ( ⁇ ).
- the weight fraction of the polyether-modified polysiloxane ( ⁇ ) based thereon, HLB ⁇ is the HLB of the emulsifier ( ⁇ ), HLB ⁇ is the HLB of the oil agent ( ⁇ ), and HLB ⁇ is the HLB of the polyether-modified polysiloxane ( ⁇ ).
- non-reactive silicone oil C
- dimethylpolysiloxane and polyether-modified polysiloxane are preferable, and dimethylpolysiloxane is more preferable.
- polyoxyalkylene compound (D) examples include organic compounds having a polyoxyalkylene group (the oxyalkylene group has 2 to 4 carbon atoms) (polyether-modified polysiloxane is not included), and polyoxyethylene ( Mono / di) alkyl ether, polyoxyethylene polyoxypropylene (mono / di) alkyl ether, polyoxyethylene alkylaryl ether, polyoxypropylene glycol, polyoxypropylene (mono / di) alkyl ether, polyoxyalkylene alkyl ether Fatty acid ester, fatty acid (mono / di) ester of polyoxyethylene glycol, polyoxyethylene polyoxypropylene block polymer, fatty acid (mono / di) s of polyoxyethylene polyoxypropylene block polymer , Ethylene oxide adduct of vegetable oil, alkylene oxide adduct of glycerin, fatty acid (mono / di / tri) ester of alkylene oxide ad
- polyoxyethylene (mono / di) alkyl ether polyoxyethylene polyoxypropylene (mono / di) alkyl ether, polyoxypropylene glycol, polyoxypropylene (mono / di) alkyl ether, polyoxyalkylene alkyl ether Fatty acid ester, fatty acid (mono / di) ester of polyoxyethylene glycol, alkylene oxide adduct of sorbitan fatty acid ester, polyoxyethylene polyoxypropylene block polymer, fatty acid (mono / di) of polyoxyethylene polyoxypropylene block polymer Fatty acid (mono / di / tri) esters of esters, ethylene oxide adducts of vegetable oils, alkylene oxide adducts of glycerin and alkylene oxide adducts of glycerin are preferred There.
- Hydrophobic organic solvents such as hydrocarbon solvents (toluene, hexane, xylene, etc.) and halogenated hydrocarbons (dichloromethane, trichloromethane, 1,2-dichloroethane, chlorobenzene, etc.) can be used.
- At least one liquid selected from the group consisting of hydrocarbon oil (B), non-reactive silicone oil (C) and polyoxyalkylene compound (D), and hydrophobic organic solvent Of these, one type may be used, or two or more types may be mixed and used.
- reaction catalysts include alkali metal or alkaline earth metal hydroxides (potassium hydroxide, sodium hydroxide, etc.), alkali metal alcoholates (potassium methylate and sodium ethylate, etc.), amines (laurylamine, myristylamine, Palmitylamine, stearylamine, monoethanolamine, diethanolamine, triethanolamine, diethanolamine, etc.), inorganic acids (sulfuric acid, nitric acid, hydrochloric acid, phosphoric acid, etc.), carboxylic acids (hydroxyacetic acid, trifluoroacetic acid, p-nitrobenzoic acid, etc.) ) And a Lewis acid represented by the general formula (1).
- X represents a boron atom or an aluminum atom
- R represents an aryl having 6 to 12 carbon atoms, in which part or all of the hydrogen atoms may be substituted with an alkyl group having 1 to 4 carbon atoms, a halogen atom, a nitro group or a cyano group
- Examples of the aryl group having 6 to 12 carbon atoms in which part or all of the hydrogen atoms may be substituted with an alkyl group having 1 to 4 carbon atoms, a halogen atom, a nitro group, or a cyano group include phenyl, pentafluorophenyl, p -Methylphenyl, p-cyanophenyl, p-nitrophenyl, benzyl, pentafluorobenzyl, naphthyl, heptafluoronaphthyl, hexafluorodiphenyl and the like.
- Examples of the tertiary alkyl group having 4 to 15 carbon atoms in which part or all of the hydrogen atoms may be substituted with a halogen atom, a nitro group or a cyano group include t-butyl, t-pentyl, and nonafluoro t-butyl. Is mentioned.
- a Lewis acid having a bulky substituent is preferable, and triphenylborane, diphenyl-t-butylborane, tri (t-butyl) borane, triphenylaluminum, diphenyl-t -Butylaluminum, tri (t-butyl) aluminum, tris (pentafluorophenyl) borane, bis (pentafluorophenyl) -t-butylborane, tris (pentafluorophenyl) aluminum, bis (pentafluorophenyl) -t-butylaluminum Bis (pentafluorophenyl) fluoroborane, bis (pentafluorophenyl) hexafluorodiphenylfluoroborane, di (t-butyl) fluoroborane, (pentafluorophenyl) difluoroborane, (t-butyl) triphenylaluminum,
- alkali metal hydroxides, alkali metal alcoholates, amines and Lewis acids represented by the general formula (1) are preferable.
- the amount used is preferably from 0.01 to 100, more preferably from 0.05 to 75, particularly preferably from 0.1 to 50, based on the weight of the hydrophobizing agent. It is.
- Hydrophilic silica or hydrophobic silica may be pulverized before or after the hydrophobic treatment.
- one of the hydrophobic treatment and the pulverization treatment may be performed first, the other treatment may be performed thereafter, or the hydrophobic treatment and the pulverization treatment may be performed in parallel.
- the pulverization process is preferably a wet pulverization process.
- the hydrophobizing treatment is preferably a wet hydrophobizing treatment.
- the amount (% by weight) of the hydrophobizing agent is preferably 1 to 50, more preferably 3 to 40, and particularly preferably 5 to 30 based on the weight of the hydrophilic silica. Within this range, the defoaming sustainability is further improved.
- the degree of hydrophobicity [M value (M x )] of the hydrophobic silica (A) is preferably 50 to 85, more preferably 55 to 80, and particularly preferably 60 to 75. Within this range, the defoaming sustainability is further improved.
- hydrophobicity [M value (M X) ] (M Y / M X ) is preferably 0.8 to 1.0, more preferably 0.9 to 1.0. Within this range, the defoaming sustainability is further improved. Note that the rate of change (M Y / M X ) is considered not to exceed 1.0.
- the degree of hydrophobicity [M value (M X ), (M Y )] is a characteristic value representing the degree of hydrophobic treatment on the powder surface, and the higher the degree of hydrophobicity [M value], the lower the hydrophilicity.
- M value degree of hydrophobicity
- the solid and the liquid are separated by centrifugation, and the same mixing and centrifuging operations are repeated three times, and then the hexane remaining in the solid is treated at 120 ° C. for 2 hours.
- a measurement sample is obtained by heating and drying.
- the sample contains a hydrophobic organic solvent
- the sample is heated and dried (120 ° C., 2 hours) to remove the hydrophobic organic solvent and obtain a measurement sample.
- Methanol / ion exchange aqueous solution (volume ratio 80/20) of sodium hydroxide dissolved in a saturated concentration in a methanol / ion exchange water solution with a volume ratio of 80/20. 20) is added to adjust the pH to 13, and then 50 ml of this solution is a measurement sample ⁇ if the hydrocarbon oil (B) and / or non-reactive silicone oil (C) is contained, the above-mentioned pretreatment ⁇ 0.5g was mixed and allowed to stand at 25 ° C for 1 hour. The solid was centrifuged (2880G, 10 minutes), and the solid and methanol 40g were mixed and centrifuged for 3 times.
- the degree of hydrophobicity is measured in the same manner as the above-described measurement of the degree of hydrophobicity.
- the rate of change (M Y / M X ) is calculated by dividing the degree of hydrophobicity [M value (M Y )] by the degree of hydrophobicity [M value (M X )].
- the degree of hydrophobization [M value (M X )] can be adjusted by the type of hydrophobizing agent and the amount used. The lower the degree of hydrophobicity of the hydrophobizing agent, the lower the degree of hydrophobicity [M value (M X )]. The higher the degree of hydrophobicity of the hydrophobizing agent, the higher the degree of hydrophobicity [M value (M X )]. ] Tends to be large. Then, by using the above hydrophobizing agents, can be in the above hydrophobicity [M value (M X)].
- M value (M X ) There is a tendency to grow. Then, if it is the amount of the hydrophobizing agent, it tends to be in the range of the above hydrophobicity [M value (M X)]. Even if the amount of the hydrophobizing agent is increased beyond the above range, the degree of hydrophobization [M value (M X )] does not increase to the extent that it exceeds the above range.
- the rate of change (M Y / M X ) can be adjusted by the type and amount of the hydrophobizing agent, the type and amount of the reaction catalyst, the time and temperature of the hydrophobization treatment, and the like.
- the hydrophobizing agent is hydrosilane, disilazane, methyl hydrogen polysiloxane, or a reaction product of dimethyl polysiloxane and methyl hydrogen polysiloxane
- the reaction catalyst is an alkali metal hydroxide, an alkali metal alcoholate or an amine.
- the hydrophobizing agent is a reaction product of hydrosilane, methyl hydrogen polysiloxane, dimethyl polysiloxane or tri- to pentamer cyclic silicone and methyl hydrogen polysiloxane, and the reaction catalyst is represented by the general formula (1).
- the rate of change M Y / M X
- change rate M Y / M X
- the temperature of the hydrophobization treatment may be about 5 to 120 ° C.
- the rate of change (M Y / M X ) does not increase. Further, since the hydrophobization treatment is completed quickly, the rate of change (M Y / M X ) does not increase even if the time for the hydrophobization treatment is long.
- the hydrophobizing agent is dimethylpolysiloxane or silicone resin and the reaction catalyst is an alkali metal hydroxide, an alkali metal alcoholate or an amine
- the more the hydrophobizing agent is used the more the use of the reaction catalyst.
- the smaller the amount used, the lower the hydrophobic treatment temperature, and the shorter the hydrophobic treatment time the smaller the rate of change (M Y / M X ) tends to be.
- the volume average particle diameter ( ⁇ m) of the hydrophobic silica (A) is preferably 1 to 20, more preferably 1.5 to 15, and particularly preferably 2 to 11. Within this range, the defoaming sustainability is further improved.
- the volume average particle size is determined by using a laser diffraction particle size analyzer in accordance with JIS Z8825: 2013 (corresponding international standard ISO13320) ⁇ for example, Microtrac series manufactured by Lees & Northrup, ParticaLA series manufactured by Horiba, Ltd. ⁇ and 2-propanol ⁇ purity 99 parts by weight or more ⁇
- JIS Z8825: 2013 corresponding international standard ISO13320
- 2-propanol ⁇ purity 99 parts by weight or more ⁇ To 1000 parts by weight, 1 part by weight of a measurement sample was added to prepare a measurement dispersion. After measuring at a measurement temperature of 25 ⁇ 5 ° C., the refractive index of 2-propanol was 1.3749.
- a literature value (“A GUIDE FOR ENTERING MICROTRAC“ RUN INFORMATION ”(F3) DATA”, created by Leeds & Northrup)) is used as the refractive index of the measurement sample, and is obtained as a 50% cumulative volume average particle diameter.
- the sample contains at least one liquid selected from the group consisting of hydrocarbon oil (B), non-reactive silicone oil (C) and polyoxyalkylene compound (D) or a hydrophobic organic solvent
- the measurement sample is pretreated in the same manner as (1) pretreatment in ⁇ Measurement method of hydrophobization degree [M value (M X ), (M Y )]].
- the content (% by weight) of at least one liquid selected from the group consisting of hydrocarbon oil (B), non-reactive silicone oil (C) and polyoxyalkylene compound (D) is that of hydrophobic silica (A). Based on weight, it is preferably from 400 to 9900, more preferably from 700 to 1800. Within this range, the defoaming sustainability is further improved.
- the antifoaming agent of the present invention can further contain a surfactant (E).
- the surfactant (E) does not include an anionic surfactant, a nonionic surfactant ⁇ polyoxyalkylene compound (D). ⁇ And mixtures thereof.
- the antifoaming agent of the present invention may further contain a hydrophobic compound (F) selected from amides, waxes or metal soaps.
- F hydrophobic compound
- Examples of the amide include a reaction product of an alkylenediamine having 1 to 6 carbon atoms or an alkenylenediamine and a fatty acid having 10 to 22 carbon atoms (fatty acid diamide) and / or an alkylamine, alkenylamine or ammonia having 1 to 22 carbon atoms and a carbon number. Reaction products (fatty acid monoamides) with 10 to 22 fatty acids are included.
- fatty acid diamides include ethylene bisstearylamide, ethylene bispalmitylamide, ethylene bismyristylamide, ethylene bislaurylamide, ethylene bisoleylamide, propylene bisstearylamide, propylene bispalmitylamide, propylene bismyristylamide, propylene bislauryl Amide, propylene bis oleyl amide, butylene bis stearyl amide, butylene bis palmityl amide, butylene bis myristyl amide, butylene bis lauryl amide, butylene bis oleyl amide, methylene bis lauryl amide, methylene bis stearyl amide, hexamethylene bis stearyl amide, etc. Can be mentioned.
- fatty acid monoamides examples include N-stearyl stearyl amide, oleic acid amide, erucic acid amide, and stearyl amide.
- fatty acid diamide is preferable from the viewpoint of defoaming sustainability and the like, more preferably ethylene bisstearylamide, ethylene bispalmitylamide, ethylene bislaurylamide, methylene bisstearylamide, and hexamethylene bisstearylamide, particularly preferable.
- ethylene bisstearyl amide, ethylene bis palmityl amide and ethylene bis myristyl amide are preferable.
- These amides may be a mixture of two or more, and in the case of a mixture, it is preferable that the above-mentioned preferable ones are contained as a main component.
- the main component means a component containing at least 40% by weight based on the weight of the fatty acid amide, preferably 50% by weight or more, more preferably 60% by weight or more, particularly preferably 70% by weight or more, Most preferably, it is contained by 80% by weight or more.
- an unreacted amine, an unreacted carboxylic acid, and the like are included in addition to the amide other than the preferred range.
- the content (% by weight) of the accessory component is preferably less than 60, more preferably less than 50, particularly preferably less than 40, then preferably less than 30 and most preferably less than 20 based on the weight of the fatty acid amide. .
- the wax preferably includes at least one selected from the group consisting of oxidized polyethylene wax, microcrystalline wax, hydroxyl group-containing wax, paraffin wax, and natural wax.
- Metal soap includes salts of fatty acids having 12 to 22 carbon atoms and metals (alkaline earth metals, aluminum, manganese, cobalt, copper, iron, zinc, nickel, etc.), and include aluminum stearate, manganese stearate, stearin. Examples include cobalt acid, copper stearate, iron stearate, nickel stearate, calcium stearate, zinc laurate and magnesium behenate.
- the quantity relationship between metal and fatty acid can be 1 to 3 moles of fatty acid (mono, di, or tri) per mole of metal. It may be a mixture. From the viewpoint of defoaming sustainability and the like, when the metal is aluminum and iron, di- and tri-forms are preferable, and when alkaline metal (such as calcium), zinc, cobalt, manganese, nickel and copper, di-forms are preferable. .
- the hydrophobic compound (F) may be used alone or in combination of two or more.
- the antifoaming agent of the present invention is at least one liquid selected from the group consisting of hydrophobic silica (A), hydrocarbon oil (B), non-reactive silicone oil (C) and polyoxyalkylene compound (D).
- hydrophobic silica A
- hydrocarbon oil B
- non-reactive silicone oil C
- polyoxyalkylene compound D
- the production method is not limited.
- at the time of hydrophobizing treatment for preparing hydrophobic silica (A) at least one selected from the group consisting of hydrocarbon oil (B), non-reactive silicone oil (C) and polyoxyalkylene compound (D).
- a seed liquid it may be used as it is as the antifoaming agent of the present invention without removing this liquid, or this liquid may be additionally mixed.
- a known mixer can be used.
- an emulsifier / disperser such as a bead mill, a sand mill, a disperser, a homogenizer, or a gorin homogenizer
- a bead mill such as a bead mill, a sand mill, a disperser, a homogenizer, or a gorin homogenizer
- a homogenizer such as a bead mill, a sand mill, a disperser, a homogenizer, or a gorin homogenizer
- the antifoaming agent of the present invention contains a hydrophobic compound (F)
- the antifoaming agent of the present invention comprises a hydrophobic compound (F), a hydrocarbon oil (B), a non-reactive silicone oil (C) and Step (1) of dissolving the hydrophobic compound (F) to obtain a solution while heating and stirring a part of at least one liquid selected from the group consisting of the polyoxyalkylene compound (D), It is preferable to produce by a method including the step (2) of adding a solution to the remaining portion while stirring the remaining portion to obtain a mixture. Furthermore, a step (3) of obtaining a mixture by uniformly mixing the mixture may be included.
- the heating and stirring temperature (° C.) is not limited as long as the hydrophobic compound (F) can be dissolved, but is preferably 100 to 180. Further, the heating and stirring time is not limited as long as the hydrophobic compound (F) can be dissolved, but it is preferably as short as possible in order to prevent liquid oxidation and evaporation. And heating stirring may be performed under sealing (it may be under pressure), and may be performed under open.
- the temperature of the remaining part of the liquid is preferably maintained at 0 to 70 ° C., more preferably 0 to 50 ° C., particularly preferably 0 to 0 ° C. from the viewpoint of defoaming sustainability and production cost. It is to keep at 40 ° C. That is, in the step (2), while stirring the remainder of the liquid cooled to 0 to 70 ° C., the solution is added little by little while keeping the remainder at 0 to 70 ° C. (preferably in the above range). It is preferable to obtain.
- the uniform mixing treatment is not limited as long as the mixture can be homogeneously mixed, but it is preferable to perform uniform mixing treatment using an emulsifying disperser (bead mill, sand mill, disper mill, homogenizer, gorin homogenizer, or the like).
- the temperature of the mixture in the uniform mixing treatment is preferably maintained at 0 to 70 ° C., more preferably 0 to 50 ° C., and particularly preferably 0 to 40 ° C. That is, in the step (3), it is preferable to obtain an antifoaming agent by uniformly mixing the mixture while maintaining a temperature of 0 to 70 (preferably 0 to 50, more preferably 0 to 40).
- the antifoaming agent of the present invention contains a hydrophobic compound (F)
- the hydrophobic silica (A) and optionally contained surfactant (E) may be mixed in any of the above steps. You may mix uniformly after (3).
- the antifoaming agent of the present invention may further contain water, a thickener, a dispersing agent, a preservative, an antifreezing agent, and / or a diluting solvent (these may be mixed at any timing).
- Thickeners include xanthan gum, locust bean gum, guar gum, carrageenan, alginic acid and its salts, tragacanth gum, magnesium aluminum silicate, bentonite, synthetic hydrous silicic acid, and synthetic polymer type thickeners containing carboxyl groups (as trade names, For example, SN thickener 636, SN thickener 641; San Nopco Corporation), associative thickeners containing polyoxyethylene chains (trade names such as SN thickener 625N, SN thickener 665T; San Nopco Corporation), and the like.
- dispersant examples include polyacrylic acid (salt), partially saponified polyvinyl alcohol, and sulfated polyvinyl alcohol.
- preservative known preservatives (bacterial / antifungal dictionary, published by the Japanese Society for Antibacterial and Fungicidal Society, 1st edition, 1986, page 1-32, etc.) can be used. Formalin and 5-chloro-2 -Methyl-4-isothiazolin-3-one and the like.
- antifreezing agents examples include ethylene glycol, propylene glycol, and glycerin.
- diluting solvent known diluting solvents (Solvent Handbook, Kodansha, published in 1951, pages 143-881, etc.) can be used, and examples thereof include butyl cellosolve, propylene glycol monopropyl ether and 1-butanol.
- the antifoaming agent of the present invention may be used as it is, diluted with a diluent solvent, water, aqueous solution or the like, or used after being supported on a powder of silica or calcium carbonate.
- the antifoaming agent of the present invention is effective for an aqueous foaming liquid.
- a synthetic rubber production process particularly, a demonomer process for distilling off unreacted monomers from a latex polymerization dispersion under reduced pressure
- paper pulp production etc.
- Process especially in the cooking process, washing process, bleaching process, black liquor concentrated soda recovery process and / or wastewater treatment process, which is added to pulp slurry or treatment liquid to produce kraft pulp
- building industry and building material making process It is suitable for bubbles generated in various processes such as dye industry, dyeing industry, fermentation industry, synthetic resin manufacturing industry, ink, paint industry or textile processing industry.
- defoaming agent for synthetic rubber production process and paper pulp production process, and for demonomer process that distills off unreacted monomer from latex polymerization dispersion under reduced pressure, as well as cooking process, washing process, bleaching Suitable as a defoaming agent for the process, black liquor concentration, soda recovery process and / or wastewater treatment process.
- the antifoaming agent of the present invention can be added to the liquid to be added by a batch addition method, a continuous addition method, an intermittent addition method, or a method in which a foam measuring device and an antifoaming agent adding device are linked. Moreover, either one place addition and multipoint addition may be sufficient.
- the antifoaming agent of the present invention is a known antifoaming agent ⁇ for example, a polyether antifoaming agent, a silicone antifoaming agent (Japanese Patent Publication No. 51-35556, Japanese Patent Publication No. 52-2887, Japanese Patent Publication No. 52-19836, No. 55-23084, JP-A-6-142410 and JP-A-6-142411, etc.), mineral oil defoaming agents (Japanese Patent Publication No. 49-109276, JP-A 52-22356, JP-A 54- No.
- the addition amount (% by weight) of the antifoaming agent of the present invention may be appropriately set according to the foaming state, temperature, viscosity, etc. of the liquid to be added (that is, the foaming liquid), but based on the weight of the liquid to be added. 0.001 to 5 is preferable, 0.005 to 2 is more preferable, and 0.01 to 1 is particularly preferable.
- the addition temperature is preferably about 0 to 100 ° C.
- part means “part by weight”
- % means “% by weight”.
- ⁇ Production Example 1> In a container that can be stirred and cooled, 873 parts of octamethylcyclotetrasiloxane ⁇ KF-994, Shin-Etsu Chemical Co., Ltd. ⁇ , 123 parts of methyl hydrogen polysiloxane ⁇ KF-99, Shin-Etsu Chemical Co., Ltd. ⁇ , sulfuric acid 4 The part was continuously stirred at 25 ° C. for 3 hours, then washed with a separatory funnel until the pH of the washing water reached 7, and then separated to obtain a hydrophobizing agent (S1).
- S1 hydrophobizing agent
- ⁇ Production Example 2> In a container that can be stirred and cooled, dimethylpolysiloxane ⁇ KF-96L-0.65cs, Shin-Etsu Chemical Co., Ltd. ⁇ 796 parts, methyl hydrogen polysiloxane ⁇ KF-99, Shin-Etsu Chemical Co., Ltd. ⁇ 200 parts, After stirring 4 parts of sulfuric acid at 25 ° C. for 3 hours, the mixture was washed with a separating funnel until the pH of the washing water reached 7, and then separated to obtain a hydrophobizing agent (S2).
- S2 hydrophobizing agent
- Hydrophobic compound (F1) ⁇ Alflow H-50S, NOF Corporation, Ethylenebisstearylamide ⁇ and hydrocarbon oil (B1) ⁇ Cosmo SC22, Cosmo Oil Lubricants Co., Ltd. in a container that can be heated, stirred and cooled 480 parts of company, mineral oil ⁇ was heated to 145 ° C. while stirring and mixing, and further heated and stirred at this temperature for 15 minutes to obtain a hydrophobic compound solution (BF1).
- the mixture (BF1) was homogenized at 3500 psi (24.1 MPa) using a Gorin homogenizer (manufactured by Manton Gorin) to obtain a hydrophobic compound mixture (BF1).
- Example 1 125 parts of hydrophilic silica ⁇ Nipsil G300, Tosoh Silica Co., Ltd. ⁇ , hydrophobizing agent (S3) ⁇ KF-99, Shin-Etsu Chemical Co., Ltd., methyl hydrogen in a container that can be heated, decompressed, stirred and cooled Polysiloxane ⁇ 22 parts, hydrocarbon oil (B1) ⁇ Cosmo SC22, Cosmo Oil Lubricants Co., Ltd., mineral oil, dynamic viscosity at 40 ° C. of 22 mm 2 / s ⁇ 843 parts, reaction catalyst (1) ⁇ sodium ethoxide ⁇ 5 Part and reaction catalyst (2) ⁇ Diethanolamine ⁇ 5 parts were heated to 130 ° C. with heating and stirring. At this temperature, heating and stirring were continued for 3 hours, and heating and vacuum stirring were further continued for 7 hours. A dispersion (1) containing A1) was obtained.
- the volume average particle size of the hydrophobic silica (A1) is 10.0 ⁇ m, the degree of hydrophobicity [M value (M X )] is 60, the degree of hydrophobicity [M value (M Y )] is 55, and the rate of change ( (M Y / M X ) was 0.92.
- Example 2 A dispersion (2) containing hydrophobic silica (A2) was prepared in the same manner as in Example 1 except that “hydrophobizing agent (S3) ⁇ KF-99 ⁇ ” was changed to “hydrophobizing agent (S1)”. Obtained.
- the volume average particle size of the hydrophobic silica (A2) is 10.0 ⁇ m, the degree of hydrophobicity [M value (M X )] is 75, the degree of hydrophobicity [M value (M Y )] is 70, and the rate of change ( (M Y / M X ) was 0.93.
- Example 3 > 125 parts hydrophilic silica ⁇ Nipsil G300, Tosoh Silica Co., Ltd. ⁇ , 20 parts hydrophobizing agent (S2), hydrophobizing agent (S4) ⁇ tetramethyldisilazane in a container that can be heated, decompressed, stirred and cooled , Wako Pure Chemical Industries, Ltd. ⁇ 17 parts, hydrocarbon oil (B1) ⁇ Cosmo SC22, Cosmo Oil Lubricants Co., Mineral Oil ⁇ 828 parts, heated to 130 ° C.
- S2 hydrophobizing agent
- S4 hydrophobizing agent
- reaction catalyst (1) ⁇ sodium ethoxide ⁇ and 5 parts of reaction catalyst (2) ⁇ diethanolamine ⁇ , and continue heating and stirring under reduced pressure for 7 hours to obtain hydrophobic silica (A3).
- a dispersion (3) containing was obtained.
- the volume average particle size of the hydrophobic silica (A3) is 10.0 ⁇ m, the degree of hydrophobicity [M value (M X )] is 80, the degree of hydrophobicity [M value (M Y )] is 75, and the rate of change ( (M Y / M X ) was 0.94.
- polyoxyalkylene compound (D1) is 22 mm 2 / s ⁇ 215 parts
- polyoxyalkylene compound (D1) ⁇ Ionet DO-600, Sanyo Chemical Industries, polyoxyethylenediolate ⁇ 25 parts
- polyoxyalkylene compound (D2) ⁇ Naroacty CL-40, Sanyo Chemical Industries Co., Ltd., polyoxyethylene alkylene ether ⁇ 10 parts
- surfactant (E1) ⁇ IONET S-80, SANYO KASEI KOGYO Co., Ltd., sorbitan monooleate ⁇ 25 parts of water and 25 parts of water are uniformly mixed to remove the effect of the present invention.
- a foam (3) was obtained.
- Example 4 > 125 parts hydrophilic silica ⁇ Nipsil N300A, Tosoh Silica Co., Ltd. ⁇ , 30 parts hydrophobizing agent (S1), hydrocarbon oil (B1) ⁇ Cosmo SC22, Cosmo Petroleum Lubricants Co., Ltd., Mineral Oil ⁇ 841 parts was heated and dehydrated to 130 ° C. with heating and stirring and then cooled to 25 ° C. with cooling and stirring. Next, 1 part of the reaction catalyst (3) ⁇ trispentafluorophenylborane ⁇ was added at this temperature, and stirring was continued for 1 hour. Then, 3 parts of the reaction catalyst (1) ⁇ sodium ethoxide ⁇ was added, and 25 ° C. Then, stirring was continued for 1 hour to obtain a dispersion (4) containing hydrophobic silica (A4).
- the volume average particle diameter of the hydrophobic silica (A4) is 10.0 ⁇ m, the degree of hydrophobicity [M value (M X )] is 75, and the degree of hydrophobicity [M value (M Y )] is 72.5.
- the rate (M Y / M X ) was 0.97.
- Example 5 Example 4 except that “30 parts hydrophobizing agent (S1)” was changed to “20 parts hydrophobizing agent (S2), hydrophobizing agent (S5) ⁇ dimethyloctadecylsilane, Sigma Aldrich Japan GK ⁇ 10 parts”. In the same manner as above, a dispersion (5) containing hydrophobic silica (A5) was obtained.
- the volume average particle diameter of the hydrophobic silica (A5) is 10.0 ⁇ m
- the degree of hydrophobicity [M value (M X )] is 72.5
- the degree of hydrophobicity [M value (M Y )] is 72.5.
- the rate of change (M Y / M X ) was 1.00.
- Example 6> Using a sand mill (desk sand mill manufactured by Kansai Paint Co., Ltd., using 1 mm of glass beads), the dispersion (5) obtained in ⁇ Example 5> was stirred at 25 to 40 ° C. for 1 hour to obtain hydrophobic silica (A6 A dispersion (6) containing
- the volume average particle diameter of the hydrophobic silica (A6) is 2 ⁇ m, the degree of hydrophobicity [M value (M X )] is 72.5, the degree of hydrophobicity [M value (M Y )] is 70, and the rate of change (M Y / M X) was 0.97.
- Example 7 In a container that can be heated, decompressed, stirred and cooled, 80 parts of hydrophilic silica ⁇ Nipsil N300A, Tosoh Silica Co., Ltd. ⁇ , 13 parts of hydrophobizing agent (S1), non-reactive silicone oil (C1) ⁇ SH200- 5000 cs, Toray Dow Corning Co., Ltd., dimethylpolysiloxane ⁇ 603 parts, non-reactive silicone oil (C2) ⁇ SH200-50000cs, Toray Dow Corning Co., Ltd., dimethylpolysiloxane ⁇ 300 parts with heating and stirring up to 130 ° C. After dehydration at elevated temperature, it was cooled to 25 ° C. with cooling and stirring.
- S1 hydrophobizing agent
- C1 non-reactive silicone oil
- C2 non-reactive silicone oil
- C2 non-reactive silicone oil
- C2 non-reactive silicone oil
- reaction catalyst (3) 1 part of the reaction catalyst (3) ⁇ trispentafluorophenylborane ⁇ is added at this temperature, and stirring is continued for 1 hour. Further, 3 parts of the reaction catalyst (1) ⁇ sodium ethoxide ⁇ is added for 1 hour. Stirring was continued to obtain a dispersion (7) containing hydrophobic silica (A7).
- the volume average particle diameter of the hydrophobic silica (A7) is 10.0 ⁇ m, the degree of hydrophobicity [M value (M X )] is 75, and the degree of hydrophobicity [M value (M Y )] is 72.5.
- the rate (M Y / M X ) was 0.97.
- Example 8> In a container that can be heated, decompressed, stirred, and cooled, 125 parts of hydrophilic silica ⁇ Nipsil N300A, Tosoh Silica Co., Ltd. ⁇ was heated and dehydrated to 130 ° C. with heating and stirring, and then cooled to 25 ° C. with cooling and stirring. Cooled down. Next, hydrophobizing agent (S3) ⁇ KF-99, Shin-Etsu Chemical Co., Ltd., methyl hydrogen polysiloxane ⁇ 10 parts, organic solvent ⁇ toluene ⁇ 861 parts, reaction catalyst (3) ⁇ trispentafluorophenyl at 25 ° C. 1 part of borane ⁇ was added and stirring was continued for 1 hour. Further, 3 parts of reaction catalyst (1) ⁇ sodium ethoxide ⁇ was added and stirring was continued for 1 hour. Subsequently, the organic solvent was removed under reduced pressure at 120 ° C. to obtain hydrophobic silica (A8).
- S3 hydrophob
- the volume average particle size of the hydrophobic silica (A8) is 10.0 ⁇ m, the degree of hydrophobicity [M value (M X )] is 50, the degree of hydrophobicity [M value (M Y )] is 45, and the rate of change ( (M Y / M X ) was 0.90.
- polyoxyalkylene compound (D1) ⁇ IONET DO-600, SANYO KASEI KOGYO Co., Ltd., polyoxyethylenediolate ⁇ 20 parts, polyoxyalkylene compound (D2) ⁇ NAROACTY CL-40, Sanyo Chemical Industries Ltd., polyoxyethylene alkylene ether ⁇ 10 parts, surfactant (E1) ⁇ Ionet S-80, Sanyo Chemical Industries, sorbitan monooleate ⁇ 15 parts and hydrophobic compound solution obtained in ⁇ Production Example 3> (BF1) 200 parts was uniformly mixed to obtain an antifoaming agent (8) of the present invention.
- the volume average particle diameter of the hydrophobic silica (AH1) is 10.0 ⁇ m
- the degree of hydrophobicity [M value (M X )] is 65
- the degree of hydrophobicity [M value (M Y )] is 50
- the rate of change ( (M Y / M X ) was 0.77.
- a defoaming agent (H1) for comparison was obtained in the same manner as in Example 1, except that “dispersion liquid (1) obtained in ⁇ Example 1>” was changed to “dispersion liquid (H1)”. It was.
- the black liquor (concentration 15%) generated in the L-kraft pulp manufacturing process at the Sakai Paper Mill (average pulp production 1000 t / day) is adjusted to a concentration of 5% by adding tap water to defoaming.
- 500 ml of the defoaming test solution whose temperature was adjusted to 80 ° C. was placed in a glass transparent container (10, height 25 cm, diameter 8 cm) of the defoaming test device (FIG. 1), and then pumped.
- test liquid While the test liquid is circulated at 1000 ml / min from the bottom (12) of the glass transparent container in (20), the top of the glass transparent container ⁇ the height of the test liquid outlet (40) is the opening of the glass container (11 ) From 2 cm ⁇ to make the test solution foam, and when the foam height reaches 100 mm, 25 ⁇ l (50 ppm) of antifoaming agent (Examples 1 to 8 and Comparative Example 1) is added, and 1 minute The height of the foam surface after (mm) and the foam after 10 minutes The height (mm) of the surface was read from the scale (30) (defoaming persistence). The lower the foam surface height, the better the defoaming sustainability.
- the antifoaming agent of the present invention is excellent in antifoaming sustainability and can be used for any application.
- it is effective when incorporated in an antifoaming agent for aqueous foaming liquids, for example, paper pulp manufacturing industry (pulping process, papermaking process, coating process, etc.), construction industry (papermaking process, etc.), dye industry, dyeing.
- the present invention can be applied to an antifoaming agent used for bubbles generated in various processes such as industry, fermentation industry, synthetic resin manufacturing industry, synthetic rubber manufacturing industry, ink, paint industry and textile processing industry.
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Abstract
Description
炭化水素油(B)、非反応性シリコーン油(C)及びポリオキシアルキレン化合物(D)からなる群より選ばれる少なくとも1種の液体と
を含有してなる点を要旨とする。
メタノール濃度を2.5容量%の間隔で変化させた水/メタノール混合溶液を調製し、各混合溶液5mlを別々の10ml試験管に入れ、次いで測定試料0.2gを入れ、試験管にふたをして、20回上下転倒してから静置した後、凝集物を観察して、凝集物がなく、測定試料の全部が湿潤して均一混合した混合溶液のうち、メタノール濃度が最も小さい混合溶液のメタノールの濃度(容量%)を疎水化度[M値]とする。
<沈殿法シリカ>
Nipsilシリーズ{東ソー・シリカ株式会社、「Nipsil」は東ソー・シリカ株式会社の登録商標である。}、Sipernatシリーズ{エボニック デグサ ジャパン株式会社、「Sipernat」はエボニック デグサ ゲーエムベーハーの登録商標である。}、Carplexシリーズ{DSL.ジャパン株式会社、「Carplex」はDSL.ジャパン株式会社の登録商標である。}、FINESILシリーズ{株式会社トクヤマ、「FINESIL」はオリエンタル シリカズ コーポレーションの登録商標である。}、TOKUSIL{株式会社トクヤマ、「TOKUSIL」はオリエンタル シリカズ コーポレーションの登録商標である。}、Zeosilシリーズ{ローディア社、「Zeosil」はロディア シミの登録商標である。}、MIZUKASILシリーズ{水澤化学工業株式会社、「MIZUKASIL」は水沢化学工業株式会社の登録商標である。}等。
Carplexシリーズ{DSL.ジャパン株式会社}、SYLYSIAシリーズ{富士シリシア化学株式会社、「SYLYSIA」は有限会社ワイ・ケイ・エフ の登録商標である。}、Nipgelシリーズ{東ソー・シリカ株式会社、「Nipgel」は東ソー・シリカ株式会社の登録商標である。}、MIZUKASILシリーズ{水澤化学工業株式会社、「MIZUKASIL」は水沢化学工業株式会社の登録商標である。}等。
Admafineシリーズ{株式会社アドマテックス社、「Admafine」は株式会社アドマテックスの登録商標である。}、Fuselexシリーズ{株式会社龍森}、デンカ溶融シリカシリーズ{電気化学工業株式会社}等。
Aerosilシリーズ{日本アエロジル株式会社及びエボニック デグサ社、「Aerosil」はエボニック デグサ ゲーエムベーハーの登録商標である。}、Reolosilシリーズ{株式会社トクヤマ、「Reorosil」は株式会社トクヤマの登録商標である。}、Cab-O-Silシリーズ{キャボット社、「Cab-O-Sil」はキヤボット コーパレイシヤンの登録商標である。}等。
HLBが未知のポリエーテル変性ポリシロキサン(γ)とHLBが既知の乳化剤(α)とを異なった比率で混合し、HLBが既知の油剤(β)の乳化を行う。乳化層の厚みが最大となったときの混合比率から下記式を用いてポリエーテル変性ポリシロキサン(γ)のHLBを算出する。
HLBγ={(HLBβ)×(Wα+Wγ)-(Wα×HLBα)}÷Wγ
反応触媒としては、アルカリ金属若しくはアルカリ土類金属の水酸化物(水酸化カリウム、水酸化ナトリウム等)、アルカリ金属のアルコラート(カリウムメチラート及びナトリウムエチラート等)、アミン(ラウリルアミン、ミリスチルアミン、パルミチルアミン、ステアリルアミン、モノエタノールアミン、ジエタノールアミン、トリエタノールアミン、ジエタノールアミン等)、無機酸(硫酸、硝酸、塩酸及び燐酸等)、カルボン酸(ヒドロキシ酢酸、トリフルオロ酢酸及びp-ニトロ安息香酸等)及び一般式(1)で表されるルイス酸等が挙げられる。
X(-R)3 (1)
(1)前処理
試料に、炭化水素油(B)及び/又は非反応性シリコーン油(C)を含有している場合、試料10gとヘキサン40gとを混合した後、遠心分離(2880G、10分間)して固体{疎水性シリカ(A)を含む。}と液体{ヘキサンと炭化水素油(B)及び/又は非反応性シリコーン油(C)とを含む}とを分離し、次いで、固体{疎水性シリカ(A)を含む。}とヘキサン40gとを混合し、遠心分離により固体と液体とを分離して、さらに同様の混合及び遠心分離の操作を3回繰り返した後、固体に残存しているヘキサンを120℃、2時間加熱乾燥させることにより、測定試料を得る。
一方、試料に疎水性有機溶剤を含有している場合、試料を加熱乾燥(120℃、2時間)することにより、疎水性有機溶剤を除去して測定試料を得る。
メタノール濃度を2.5容量%の間隔で変化させた水/メタノール混合溶液を調製し、各混合溶液5mlを別々の10ml試験管に入れ、次いで測定試料0.2gを入れ、試験管にふたをして、20回上下転倒してから静置した後、凝集物を観察して、凝集物がなく、測定試料の全部が湿潤して均一混合した混合溶液のうち、メタノール濃度が最も小さい混合溶液のメタノールの濃度(容量%)を疎水化度[M値]とする。
体積比80/20のメタノール/イオン交換水の溶液に、水酸化ナトリウムが飽和濃度で溶解したメタノール/イオン交換水溶液(体積比80/20)を加えて、pH13に調整した後、この溶液50mlに測定試料{炭化水素油(B)及び/又は非反応性シリコーン油(C)を含有している場合、上記の前処理したもの}0.5gを混合し、25℃で1時間静置し、固体を遠心分離(2880G、10分間)し、固体とメタノール40gとを混合し、遠心分離する洗浄操作を3回行い、120℃で2時間加熱乾燥した後、上記の疎水化度の測定と同様にして疎水化度を測定する。
なお、変化率(MY/MX)は、疎水化度[M値(MY)]を疎水化度[M値(MX)]で除して算出される。
疎水化剤の疎水性度が低い程、疎水化度[M値(MX)]は小さくなる傾向があり、疎水化剤の疎水性度が高い程、疎水化度[M値(MX)]は大きくなる傾向がある。そして、上記の疎水化剤を用いることにより、上記の疎水化度[M値(MX)]にできる。
なお、試料に、炭化水素油(B)、非反応性シリコーン油(C)及びポリオキシアルキレン化合物(D)からなる群より選ばれる少なくとも1種の液体や疎水性有機溶剤を含有している場合、<疎水化度[M値(MX)、(MY)]の測定法>の(1)前処理と同様にして、測定試料を前処理する。
攪拌、冷却の可能な容器内で、オクタメチルシクロテトラシロキサン{KF-994、信越化学工業株式会社}873部、メチルハイドロジェンポリシロキサン{KF-99、信越化学工業株式会社}123部、硫酸4部を25℃で3時間攪拌を続けた後、分液ロートを用いて洗浄水のpHが7になるまで水洗した後、分液し、疎水化剤(S1)を得た。
攪拌、冷却の可能な容器内で、ジメチルポリシロキサン{KF-96L-0.65cs、信越化学工業株式会社}796部、メチルハイドロジェンポリシロキサン{KF-99、信越化学工業株式会社}200部、硫酸4部を25℃で3時間攪拌を続けた後、分液ロートを用いて洗浄水のpHが7になるまで水洗した後、分液し、疎水化剤(S2)を得た。
加熱、攪拌、冷却の可能な容器内で疎水性化合物(F1){アルフローH-50S、日油株式会社、エチレンビスステアリルアミド}20部及び炭化水素油(B1){コスモSC22、コスモ石油ルブリカンツ株式会社、鉱物油}480部を加熱攪拌混合しながら145℃まで昇温し、この温度にてさらに15分間加熱攪拌を続けて疎水性化合物溶解液(BF1)を得た。
加熱、減圧、攪拌、冷却の可能な容器内で、親水性シリカ{Nipsil G300、東ソー・シリカ株式会社}125部、疎水化剤(S3){KF-99、信越化学工業株式会社、メチルハイドロジェンポリシロキサン}22部、炭化水素油(B1){コスモSC22、コスモ石油ルブリカンツ株式会社、鉱物油、40℃における動粘度が22mm2/s}843部、反応触媒(1){ナトリウムエトキシド}5部及び反応触媒(2){ジエタノールアミン}5部を加熱攪拌しながら130℃まで昇温し、この温度にて3時間加熱攪拌を続けて、さらに7時間加熱減圧攪拌を続けて、疎水性シリカ(A1)を含む分散液(1)を得た。
「疎水化剤 (S3){KF-99}」を「疎水化剤(S1)」に変更したこと以外、実施例1と同様にして、疎水性シリカ(A2)を含む分散液(2)を得た。
加熱、減圧、攪拌、冷却の可能な容器内で、親水性シリカ{Nipsil G300、東ソー・シリカ株式会社}125部、疎水化剤(S2)20部、疎水化剤(S4){テトラメチルジシラザン、和光純薬工業株式会社}17部、炭化水素油(B1){コスモSC22、コスモ石油ルブリカンツ株式会社、鉱物油}828部を加熱攪拌しながら130℃まで昇温し、この温度にて3時間加熱攪拌を続けて、さらに反応触媒(1){ナトリウムエトキシド}5部及び反応触媒(2){ジエタノールアミン}5部を添加し、7時間加熱減圧攪拌を続けて、疎水性シリカ(A3)を含む分散液(3)を得た。
加熱、減圧、攪拌、冷却の可能な容器内で、親水性シリカ{Nipsil N300A、東ソー・シリカ株式会社}125部、疎水化剤(S1)30部、炭化水素油(B1){コスモSC22、コスモ石油ルブリカンツ株式会社、鉱物油}841部を加熱攪拌しながら130℃まで昇温脱水した後、冷却攪拌しながら25℃に冷却した。次いで、この温度にて反応触媒(3){トリスペンタフルオロフェニルボラン}1部を添加し、1時間攪拌を続け後、さらに反応触媒(1){ナトリウムエトキシド}3部を添加し、25℃で1時間攪拌を続けて、疎水性シリカ(A4)を含む分散液(4)を得た。
「疎水化剤(S1)30部」を「疎水化剤(S2)20部、疎水化剤(S5){ジメチルオクタデシルシラン、シグマ アルドリッチ ジャパン合同会社}10部」に変更したこと以外、実施例4と同様にして、疎水性シリカ(A5)を含む分散液(5)を得た。
サンドミル(関西ペイント株式会社製卓上サンドミル、ガラスビーズ1mmを使用)を用いて、<実施例5>で得た分散液(5)を25~40℃で1時間攪拌して、疎水性シリカ(A6)を含む分散液(6)を得た。
加熱、減圧、攪拌、冷却の可能な容器内で、親水性シリカ{Nipsil N300A、東ソー・シリカ株式会社}80部、疎水化剤(S1)13部、非反応性シリコーン油(C1){SH200-5000cs、東レ・ダウコーニング株式会社、ジメチルポリシロキサン}603部、非反応性シリコーン油(C2){SH200-50000cs、東レ・ダウコーニング株式会社、ジメチルポリシロキサン}300部を加熱攪拌しながら130℃まで昇温脱水した後、冷却攪拌しながら25℃に冷却した。次いで、この温度にて反応触媒(3){トリスペンタフルオロフェニルボラン}1部を添加し、1時間攪拌を続けて、さらに反応触媒(1){ナトリウムエトキシド}3部を添加し、1時間攪拌を続けて、疎水性シリカ(A7)を含む分散液(7)を得た。
加熱、減圧、攪拌、冷却の可能な容器内で、親水性シリカ{Nipsil N300A、東ソー・シリカ株式会社}125部を加熱攪拌しながら130℃まで昇温脱水した後、冷却攪拌しながら25℃に冷却した。次いで、25℃にて疎水化剤(S3){KF-99、信越化学工業株式会社、メチルハイドロジェンポリシロキサン}10部、有機溶剤{トルエン}861部、反応触媒(3){トリスペンタフルオロフェニルボラン}1部を添加し、1時間攪拌を続けて、さらに反応触媒(1){ナトリウムエトキシド}3部を添加し、1時間攪拌を続けた。次いで、120℃で減圧脱有機溶剤を行い、疎水性シリカ(A8)を得た。
加熱、減圧、攪拌、冷却の可能な容器内で、親水性シリカ{Nipsil G300、東ソー・シリカ株式会社}125部、疎水化剤(5){KF-96-50cs、信越化学工業株式会社、ジメチルポリシロキサン}22部、炭化水素油(B1){コスモSC22、コスモ石油ルブリカンツ株式会社、鉱物油、40℃における動粘度が22mm2/s}853部を加熱攪拌しながら130℃まで昇温し、この温度にて3時間加熱減圧攪拌を続けて疎水性シリカ(AH1)を含む分散液(H1)を得た。疎水性シリカ(AH1)の体積平均粒子径は、10.0μmであり、疎水化度[M値(MX)]は65、疎水化度[M値(MY)]は50、変化率(MY/MX)は0.77であった。
実施例1~8及び比較例1で得た消泡剤(1)~(8)及び(H1)を用いて、以下のようにして消泡持続性を評価し、評価結果を表1に示した。
実施例1~8及び比較例1で得た消泡剤(1)~(8)及び(H1)を用いて、以下のようにして消泡持続性を評価し、評価結果を表2に示した。
11 ガラス製透明容器の開口部
12 ガラス製透明容器の底部
20 ポンプ
30 目盛り
40 試験液出口
Claims (6)
- 疎水化度[M値(MX)]が50~85であり、かつ25℃でpH13の水酸化ナトリウムのメタノール/イオン交換水溶液(体積比80/20)に1時間浸漬した後の疎水化度[M値(MY)]の疎水化度[M値(MX)]に対する変化率(MY/MX)が0.8~1.0である疎水性シリカ(A)と、
炭化水素油(B)、非反応性シリコーン油(C)及びポリオキシアルキレン化合物(D)からなる群より選ばれる少なくとも1種の液体と
を含有してなることを特徴とする消泡剤。
<疎水化度[M値(MX)、(MY)]の測定法>
メタノール濃度を2.5容量%の間隔で変化させた水/メタノール混合溶液を調製し、各混合溶液5mlを別々の10ml試験管に入れ、次いで測定試料0.2gを入れ、試験管にふたをして、20回上下転倒してから静置した後、凝集物を観察して、凝集物がなく、測定試料の全部が湿潤して均一混合した混合溶液のうち、メタノール濃度が最も小さい混合溶液のメタノールの濃度(容量%)を疎水化度[M値]とする。 - 疎水性シリカが湿式疎水化処理して得られるシリカである請求項1に記載の消泡剤。
- さらに界面活性剤(E)を含有する請求項1又は2に記載の消泡剤。
- さらにアミド、ワックス又は金属石鹸から選ばれる疎水性化合物(F)を含有する請求項1~3のいずれかに記載の消泡剤。
- 請求項1~4のいずれかに記載の消泡剤の存在下、ラテックス重合分散液から未反応モノマーを減圧留去する脱モノマー工程を含むことを特徴とするラテックスの製造方法。
- 蒸解工程、洗浄工程、漂白工程、黒液濃縮ソーダ回収工程及び/又は排水処理工程において、請求項1~4のいずれかに記載された消泡剤をパルプスラリー又は処理液に添加してクラフトパルプを製造することを特徴とするクラフトパルプの製造方法。
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KR1020177013128A KR20180048439A (ko) | 2014-11-22 | 2015-11-19 | 소포제 |
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JPWO2019107222A1 (ja) * | 2017-12-01 | 2020-10-08 | サンノプコ株式会社 | 消泡剤 |
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JPH10286404A (ja) * | 1997-04-11 | 1998-10-27 | Hakuto Co Ltd | 消泡剤組成物 |
JP2009515681A (ja) * | 2005-11-15 | 2009-04-16 | モーメンティブ・パフォーマンス・マテリアルズ・インク | シリコーン消泡組成物 |
JP2012030190A (ja) * | 2010-07-31 | 2012-02-16 | San Nopco Ltd | 消泡剤の製造方法 |
JP2012030189A (ja) * | 2010-07-30 | 2012-02-16 | San Nopco Ltd | 消泡剤及びこれを用いるクラフトパルプの製造方法 |
JP2013215633A (ja) * | 2011-04-07 | 2013-10-24 | Shin-Etsu Chemical Co Ltd | 消泡剤用オイルコンパウンド及び消泡剤組成物 |
JP2014083466A (ja) * | 2012-10-19 | 2014-05-12 | San Nopco Ltd | 消泡剤 |
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2015
- 2015-11-19 CN CN201580062694.4A patent/CN106999802B/zh active Active
- 2015-11-19 JP JP2016560279A patent/JP6596638B2/ja active Active
- 2015-11-19 WO PCT/JP2015/082483 patent/WO2016080475A1/ja active Application Filing
- 2015-11-19 US US15/525,205 patent/US20170312657A1/en not_active Abandoned
- 2015-11-19 KR KR1020177013128A patent/KR20180048439A/ko unknown
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JPS60156513A (ja) * | 1984-01-27 | 1985-08-16 | Shin Etsu Chem Co Ltd | 消泡剤組成物 |
JPH0241338A (ja) * | 1988-08-01 | 1990-02-09 | Lion Corp | ポリマーラテックス用消泡剤 |
JPH0639207A (ja) * | 1992-04-27 | 1994-02-15 | Nikko Kagaku Kenkyusho:Kk | エマルジョン型消泡剤組成物及びこれを用いた消泡方法 |
JPH10286404A (ja) * | 1997-04-11 | 1998-10-27 | Hakuto Co Ltd | 消泡剤組成物 |
JP2009515681A (ja) * | 2005-11-15 | 2009-04-16 | モーメンティブ・パフォーマンス・マテリアルズ・インク | シリコーン消泡組成物 |
JP2012030189A (ja) * | 2010-07-30 | 2012-02-16 | San Nopco Ltd | 消泡剤及びこれを用いるクラフトパルプの製造方法 |
JP2012030190A (ja) * | 2010-07-31 | 2012-02-16 | San Nopco Ltd | 消泡剤の製造方法 |
JP2013215633A (ja) * | 2011-04-07 | 2013-10-24 | Shin-Etsu Chemical Co Ltd | 消泡剤用オイルコンパウンド及び消泡剤組成物 |
JP2014083466A (ja) * | 2012-10-19 | 2014-05-12 | San Nopco Ltd | 消泡剤 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2018177855A (ja) * | 2017-04-04 | 2018-11-15 | サンノプコ株式会社 | 有機粒子スラリー用流動性改良剤 |
JPWO2019107222A1 (ja) * | 2017-12-01 | 2020-10-08 | サンノプコ株式会社 | 消泡剤 |
JP7216426B2 (ja) | 2017-12-01 | 2023-02-01 | サンノプコ株式会社 | 消泡剤 |
WO2024010096A1 (ja) * | 2022-07-08 | 2024-01-11 | 楠本化成株式会社 | 消泡剤組成物、水系塗料組成物および物品 |
Also Published As
Publication number | Publication date |
---|---|
CN106999802A (zh) | 2017-08-01 |
CN106999802B (zh) | 2020-03-27 |
US20170312657A1 (en) | 2017-11-02 |
KR20180048439A (ko) | 2018-05-10 |
JP6596638B2 (ja) | 2019-10-30 |
JPWO2016080475A1 (ja) | 2017-08-31 |
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