JPH0220635B2 - - Google Patents

Info

Publication number

JPH0220635B2

JPH0220635B2 JP9156780A JP9156780A JPH0220635B2 JP H0220635 B2 JPH0220635 B2 JP H0220635B2 JP 9156780 A JP9156780 A JP 9156780A JP 9156780 A JP9156780 A JP 9156780A JP H0220635 B2 JPH0220635 B2 JP H0220635B2

Authority

JP

Japan

Prior art keywords

reaction

compound

solvent

formula

soil

Prior art date

1980-07-04

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

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• 150000003839 salts Chemical class 0.000 claims description 9
• 125000000217 alkyl group Chemical group 0.000 claims description 6
• 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
• 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
• 150000001875 compounds Chemical class 0.000 description 23
• 238000006243 chemical reaction Methods 0.000 description 20
• 241000196324 Embryophyta Species 0.000 description 19
• -1 ammonium ions Chemical class 0.000 description 15
• 239000002904 solvent Substances 0.000 description 14
• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 13
• 239000002689 soil Substances 0.000 description 13
• 239000004480 active ingredient Substances 0.000 description 11
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 8
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
• DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 6
• 230000002363 herbicidal effect Effects 0.000 description 6
• 238000000034 method Methods 0.000 description 6
• 239000000843 powder Substances 0.000 description 6
• VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
• 239000003638 chemical reducing agent Substances 0.000 description 5
• 239000004009 herbicide Substances 0.000 description 5
• 239000011541 reaction mixture Substances 0.000 description 5
• 239000007787 solid Substances 0.000 description 5
• 239000000126 substance Substances 0.000 description 5
• HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
• KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
• WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
• HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
• 238000007796 conventional method Methods 0.000 description 4
• 239000000203 mixture Substances 0.000 description 4
• BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
• 150000003217 pyrazoles Chemical class 0.000 description 4
• 239000002994 raw material Substances 0.000 description 4
• 239000011701 zinc Substances 0.000 description 4
• 229910052725 zinc Inorganic materials 0.000 description 4
• ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
• UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
• FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
• OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
• 240000007594 Oryza sativa Species 0.000 description 3
• 235000007164 Oryza sativa Nutrition 0.000 description 3
• 239000004698 Polyethylene Substances 0.000 description 3
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
• 229960000583 acetic acid Drugs 0.000 description 3
• 239000008187 granular material Substances 0.000 description 3
• 229910052742 iron Inorganic materials 0.000 description 3
• 239000007788 liquid Substances 0.000 description 3
• 229910052749 magnesium Inorganic materials 0.000 description 3
• 239000011777 magnesium Substances 0.000 description 3
• 229910052751 metal Inorganic materials 0.000 description 3
• 239000002184 metal Substances 0.000 description 3
• 150000002739 metals Chemical class 0.000 description 3
• 229920000573 polyethylene Polymers 0.000 description 3
• 235000009566 rice Nutrition 0.000 description 3
• 238000003756 stirring Methods 0.000 description 3
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
• RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
• CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
• 229910000497 Amalgam Inorganic materials 0.000 description 2
• 241000234653 Cyperus Species 0.000 description 2
• RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
• DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
• PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
• CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
• WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
• 244000062793 Sorghum vulgare Species 0.000 description 2
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
• 150000001298 alcohols Chemical class 0.000 description 2
• 229910052783 alkali metal Inorganic materials 0.000 description 2
• 150000001447 alkali salts Chemical class 0.000 description 2
• 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
• 125000000129 anionic group Chemical group 0.000 description 2
• 239000007864 aqueous solution Substances 0.000 description 2
• XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
• 239000002552 dosage form Substances 0.000 description 2
• 238000000921 elemental analysis Methods 0.000 description 2
• 239000000839 emulsion Substances 0.000 description 2
• 150000002170 ethers Chemical class 0.000 description 2
• JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
• 238000002844 melting Methods 0.000 description 2
• 230000008018 melting Effects 0.000 description 2
• 235000019713 millet Nutrition 0.000 description 2
• 239000012046 mixed solvent Substances 0.000 description 2
• FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 2
• 229910000027 potassium carbonate Inorganic materials 0.000 description 2
• 238000001953 recrystallisation Methods 0.000 description 2
• 229910052708 sodium Inorganic materials 0.000 description 2
• 239000011734 sodium Substances 0.000 description 2
• 239000000725 suspension Substances 0.000 description 2
• YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
• TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 1
• UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
• PRPINYUDVPFIRX-UHFFFAOYSA-N 1-naphthaleneacetic acid Chemical compound C1=CC=C2C(CC(=O)O)=CC=CC2=C1 PRPINYUDVPFIRX-UHFFFAOYSA-N 0.000 description 1
• MVXMNHYVCLMLDD-UHFFFAOYSA-N 4-methoxynaphthalene-1-carbaldehyde Chemical compound C1=CC=C2C(OC)=CC=C(C=O)C2=C1 MVXMNHYVCLMLDD-UHFFFAOYSA-N 0.000 description 1
• 240000004731 Acer pseudoplatanus Species 0.000 description 1
• 235000002754 Acer pseudoplatanus Nutrition 0.000 description 1
• GIAYZACWHMQNDJ-UHFFFAOYSA-N CC1=NN(C)C(O)=C1C(=O)C1=CC=C([N+]([O-])=O)C=C1 Chemical compound CC1=NN(C)C(O)=C1C(=O)C1=CC=C([N+]([O-])=O)C=C1 GIAYZACWHMQNDJ-UHFFFAOYSA-N 0.000 description 1
• OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
• 235000011305 Capsella bursa pastoris Nutrition 0.000 description 1
• 240000008867 Capsella bursa-pastoris Species 0.000 description 1
• 240000008444 Celtis occidentalis Species 0.000 description 1
• 235000018962 Celtis occidentalis Nutrition 0.000 description 1
• VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
• 241000233838 Commelina Species 0.000 description 1
• RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
• ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
• 240000003173 Drymaria cordata Species 0.000 description 1
• 241001166994 Kummerowia striata Species 0.000 description 1
• 241000254158 Lampyridae Species 0.000 description 1
• 241001076438 Oxya japonica Species 0.000 description 1
• 235000005205 Pinus Nutrition 0.000 description 1
• 241000218602 Pinus <genus> Species 0.000 description 1
• 235000006485 Platanus occidentalis Nutrition 0.000 description 1
• 244000234609 Portulaca oleracea Species 0.000 description 1
• 235000001855 Portulaca oleracea Nutrition 0.000 description 1
• ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
• WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 1
• 244000184734 Pyrus japonica Species 0.000 description 1
• 241000208422 Rhododendron Species 0.000 description 1
• 241000681978 Rhododendron japonicum Species 0.000 description 1
• PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
• ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
• 229910021626 Tin(II) chloride Inorganic materials 0.000 description 1
• CZCSLHYZEQSUNV-UHFFFAOYSA-N [Na].OB(O)O Chemical compound [Na].OB(O)O CZCSLHYZEQSUNV-UHFFFAOYSA-N 0.000 description 1
• 239000002253 acid Substances 0.000 description 1
• 230000002378 acidificating effect Effects 0.000 description 1
• 239000002671 adjuvant Substances 0.000 description 1
• 239000003513 alkali Substances 0.000 description 1
• 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
• 150000001340 alkali metals Chemical class 0.000 description 1
• 150000001342 alkaline earth metals Chemical class 0.000 description 1
• 150000004703 alkoxides Chemical class 0.000 description 1
• 229910052782 aluminium Inorganic materials 0.000 description 1
• XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
• UYJXRRSPUVSSMN-UHFFFAOYSA-P ammonium sulfide Chemical compound [NH4+].[NH4+].[S-2] UYJXRRSPUVSSMN-UHFFFAOYSA-P 0.000 description 1
• 239000002518 antifoaming agent Substances 0.000 description 1
• 239000012752 auxiliary agent Substances 0.000 description 1
• 238000009739 binding Methods 0.000 description 1
• RTZKMGZSJBRJFI-UHFFFAOYSA-N boric acid;lithium Chemical compound [Li].OB(O)O RTZKMGZSJBRJFI-UHFFFAOYSA-N 0.000 description 1
• 229910052791 calcium Inorganic materials 0.000 description 1
• 239000011575 calcium Substances 0.000 description 1
• AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
• 239000000920 calcium hydroxide Substances 0.000 description 1
• 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
• 125000004432 carbon atom Chemical group C* 0.000 description 1
• 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
• 125000002091 cationic group Chemical group 0.000 description 1
• 239000007810 chemical reaction solvent Substances 0.000 description 1
• 239000003795 chemical substances by application Substances 0.000 description 1
• 229910017052 cobalt Inorganic materials 0.000 description 1
• 239000010941 cobalt Substances 0.000 description 1
• GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
• 239000000084 colloidal system Substances 0.000 description 1
• 238000001816 cooling Methods 0.000 description 1
• 229910052802 copper Inorganic materials 0.000 description 1
• 239000010949 copper Substances 0.000 description 1
• 150000001912 cyanamides Chemical class 0.000 description 1
• 239000006185 dispersion Substances 0.000 description 1
• 239000003814 drug Substances 0.000 description 1
• 229940079593 drug Drugs 0.000 description 1
• 238000004945 emulsification Methods 0.000 description 1
• 239000003995 emulsifying agent Substances 0.000 description 1
• 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
• 238000000605 extraction Methods 0.000 description 1
• 238000009472 formulation Methods 0.000 description 1
• 230000035784 germination Effects 0.000 description 1
• 239000012362 glacial acetic acid Substances 0.000 description 1
• 230000009036 growth inhibition Effects 0.000 description 1
• 229940093915 gynecological organic acid Drugs 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 230000000887 hydrating effect Effects 0.000 description 1
• 150000004679 hydroxides Chemical class 0.000 description 1
• 239000012442 inert solvent Substances 0.000 description 1
• 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 1
• NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
• 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
• 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
• 150000002576 ketones Chemical class 0.000 description 1
• 239000010410 layer Substances 0.000 description 1
• VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
• 239000000347 magnesium hydroxide Substances 0.000 description 1
• 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
• 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 1
• 238000004519 manufacturing process Methods 0.000 description 1
• MJGFBOZCAJSGQW-UHFFFAOYSA-N mercury sodium Chemical compound [Na].[Hg] MJGFBOZCAJSGQW-UHFFFAOYSA-N 0.000 description 1
• 150000002736 metal compounds Chemical class 0.000 description 1
• 229910052987 metal hydride Inorganic materials 0.000 description 1
• 229910021645 metal ion Inorganic materials 0.000 description 1
• 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
• 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
• 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
• 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
• 229910052759 nickel Inorganic materials 0.000 description 1
• 239000012053 oil suspension Substances 0.000 description 1
• 150000007524 organic acids Chemical class 0.000 description 1
• 235000005985 organic acids Nutrition 0.000 description 1
• 239000012044 organic layer Substances 0.000 description 1
• 239000002245 particle Substances 0.000 description 1
• 229910052700 potassium Inorganic materials 0.000 description 1
• 239000011591 potassium Substances 0.000 description 1
• RPDAUEIUDPHABB-UHFFFAOYSA-N potassium ethoxide Chemical compound [K+].CC[O-] RPDAUEIUDPHABB-UHFFFAOYSA-N 0.000 description 1
• LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
• 238000002360 preparation method Methods 0.000 description 1
• 230000003449 preventive effect Effects 0.000 description 1
• 235000019260 propionic acid Nutrition 0.000 description 1
• 230000001681 protective effect Effects 0.000 description 1
• IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
• 238000006722 reduction reaction Methods 0.000 description 1
• 238000010992 reflux Methods 0.000 description 1
• 238000010898 silica gel chromatography Methods 0.000 description 1
• 229910001023 sodium amalgam Inorganic materials 0.000 description 1
• 229910000029 sodium carbonate Inorganic materials 0.000 description 1
• WBQTXTBONIWRGK-UHFFFAOYSA-N sodium;propan-2-olate Chemical compound [Na+].CC(C)[O-] WBQTXTBONIWRGK-UHFFFAOYSA-N 0.000 description 1
• 238000007711 solidification Methods 0.000 description 1
• 238000003892 spreading Methods 0.000 description 1
• 230000000087 stabilizing effect Effects 0.000 description 1
• 239000001119 stannous chloride Substances 0.000 description 1
• 235000011150 stannous chloride Nutrition 0.000 description 1
• 239000007858 starting material Substances 0.000 description 1
• 238000003860 storage Methods 0.000 description 1
• 150000004763 sulfides Chemical class 0.000 description 1
• 239000004094 surface-active agent Substances 0.000 description 1
• 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
• 239000013008 thixotropic agent Substances 0.000 description 1
• 229910052718 tin Inorganic materials 0.000 description 1
• 239000011135 tin Substances 0.000 description 1
• DZXKSFDSPBRJPS-UHFFFAOYSA-N tin(2+);sulfide Chemical compound [S-2].[Sn+2] DZXKSFDSPBRJPS-UHFFFAOYSA-N 0.000 description 1
• 238000009736 wetting Methods 0.000 description 1
• 239000000080 wetting agent Substances 0.000 description 1
• 230000002087 whitening effect Effects 0.000 description 1