CN115636703B - Stabilizer for amino acid fertilizer and application thereof - Google Patents
Stabilizer for amino acid fertilizer and application thereof Download PDFInfo
- Publication number
- CN115636703B CN115636703B CN202211284441.XA CN202211284441A CN115636703B CN 115636703 B CN115636703 B CN 115636703B CN 202211284441 A CN202211284441 A CN 202211284441A CN 115636703 B CN115636703 B CN 115636703B
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- CN
- China
- Prior art keywords
- betaine
- amino acid
- fertilizer
- polyoxyethylene
- polyoxypropylene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 132
- 150000001413 amino acids Chemical class 0.000 title claims abstract description 129
- 239000003381 stabilizer Substances 0.000 title claims abstract description 64
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims abstract description 233
- 229960003237 betaine Drugs 0.000 claims abstract description 122
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 claims abstract description 28
- -1 alkyl amide Chemical class 0.000 claims description 136
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 56
- 229920001451 polypropylene glycol Polymers 0.000 claims description 53
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 34
- ILRSCQWREDREME-UHFFFAOYSA-N lauric acid amide propyl betaine Natural products CCCCCCCCCCCC(N)=O ILRSCQWREDREME-UHFFFAOYSA-N 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 239000011574 phosphorus Substances 0.000 claims description 17
- 229910052698 phosphorus Inorganic materials 0.000 claims description 17
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 16
- 239000011591 potassium Substances 0.000 claims description 16
- 229910052700 potassium Inorganic materials 0.000 claims description 16
- 239000011573 trace mineral Substances 0.000 claims description 15
- 235000013619 trace mineral Nutrition 0.000 claims description 15
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- KWIUHFFTVRNATP-UHFFFAOYSA-O N,N,N-trimethylglycinium Chemical compound C[N+](C)(C)CC(O)=O KWIUHFFTVRNATP-UHFFFAOYSA-O 0.000 claims 12
- 239000002131 composite material Substances 0.000 claims 1
- 239000004094 surface-active agent Substances 0.000 abstract description 22
- 150000003839 salts Chemical class 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 15
- 239000000575 pesticide Substances 0.000 abstract description 15
- 238000001556 precipitation Methods 0.000 abstract description 12
- 125000000217 alkyl group Chemical group 0.000 abstract description 11
- 238000005189 flocculation Methods 0.000 abstract description 9
- 230000016615 flocculation Effects 0.000 abstract description 9
- 230000035699 permeability Effects 0.000 abstract description 5
- 230000002195 synergetic effect Effects 0.000 abstract description 5
- 150000001408 amides Chemical class 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 17
- 239000000243 solution Substances 0.000 description 12
- WZLMXYBCAZZIRQ-UHFFFAOYSA-N [N].[P].[K] Chemical compound [N].[P].[K] WZLMXYBCAZZIRQ-UHFFFAOYSA-N 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 8
- 238000005338 heat storage Methods 0.000 description 8
- 238000003860 storage Methods 0.000 description 8
- 239000000725 suspension Substances 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000002280 amphoteric surfactant Substances 0.000 description 5
- 125000002091 cationic group Chemical group 0.000 description 5
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 239000004480 active ingredient Substances 0.000 description 4
- 239000003945 anionic surfactant Substances 0.000 description 4
- 239000001110 calcium chloride Substances 0.000 description 4
- 229910001628 calcium chloride Inorganic materials 0.000 description 4
- 235000011148 calcium chloride Nutrition 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 4
- 229960003390 magnesium sulfate Drugs 0.000 description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 4
- 235000019341 magnesium sulphate Nutrition 0.000 description 4
- 239000002736 nonionic surfactant Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 3
- 239000011609 ammonium molybdate Substances 0.000 description 3
- 229940010552 ammonium molybdate Drugs 0.000 description 3
- 235000018660 ammonium molybdate Nutrition 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 229960001781 ferrous sulfate Drugs 0.000 description 3
- 239000011790 ferrous sulphate Substances 0.000 description 3
- 235000003891 ferrous sulphate Nutrition 0.000 description 3
- 230000015784 hyperosmotic salinity response Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 3
- 229940099596 manganese sulfate Drugs 0.000 description 3
- 239000011702 manganese sulphate Substances 0.000 description 3
- 235000007079 manganese sulphate Nutrition 0.000 description 3
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 239000003755 preservative agent Substances 0.000 description 3
- 230000002335 preservative effect Effects 0.000 description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
- 230000007928 solubilization Effects 0.000 description 3
- 238000005063 solubilization Methods 0.000 description 3
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 3
- 229910000368 zinc sulfate Inorganic materials 0.000 description 3
- 229960001763 zinc sulfate Drugs 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000003899 bactericide agent Substances 0.000 description 2
- 229910021538 borax Inorganic materials 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 229960002713 calcium chloride Drugs 0.000 description 2
- 239000003093 cationic surfactant Substances 0.000 description 2
- 239000002738 chelating agent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910000365 copper sulfate Inorganic materials 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- DTPCFIHYWYONMD-UHFFFAOYSA-N decaethylene glycol Polymers OCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO DTPCFIHYWYONMD-UHFFFAOYSA-N 0.000 description 2
- 239000013530 defoamer Substances 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000002363 herbicidal effect Effects 0.000 description 2
- 239000004009 herbicide Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- DVEKCXOJTLDBFE-UHFFFAOYSA-N n-dodecyl-n,n-dimethylglycinate Chemical compound CCCCCCCCCCCC[N+](C)(C)CC([O-])=O DVEKCXOJTLDBFE-UHFFFAOYSA-N 0.000 description 2
- 239000005648 plant growth regulator Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-OUBTZVSYSA-N potassium-40 Chemical compound [40K] ZLMJMSJWJFRBEC-OUBTZVSYSA-N 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 239000004328 sodium tetraborate Substances 0.000 description 2
- 235000010339 sodium tetraborate Nutrition 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000013112 stability test Methods 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- GOJUJUVQIVIZAV-UHFFFAOYSA-N 2-amino-4,6-dichloropyrimidine-5-carbaldehyde Chemical group NC1=NC(Cl)=C(C=O)C(Cl)=N1 GOJUJUVQIVIZAV-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- HSEMFIZWXHQJAE-UHFFFAOYSA-N Amide-Hexadecanoic acid Natural products CCCCCCCCCCCCCCCC(N)=O HSEMFIZWXHQJAE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 241001474374 Blennius Species 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920000858 Cyclodextrin Polymers 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 description 1
- 240000001987 Pyrus communis Species 0.000 description 1
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- ABBQHOQBGMUPJH-UHFFFAOYSA-M Sodium salicylate Chemical compound [Na+].OC1=CC=CC=C1C([O-])=O ABBQHOQBGMUPJH-UHFFFAOYSA-M 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- IXVMHGVQKLDRKH-KNBKMWSGSA-N brassinolide Chemical compound C1OC(=O)[C@H]2C[C@H](O)[C@H](O)C[C@]2(C)[C@H]2CC[C@]3(C)[C@@H]([C@H](C)[C@@H](O)[C@H](O)[C@@H](C)C(C)C)CC[C@H]3[C@@H]21 IXVMHGVQKLDRKH-KNBKMWSGSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 235000013877 carbamide Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-M dihydrogenphosphate Chemical compound OP(O)([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-M 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229930182470 glycoside Natural products 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 150000002462 imidazolines Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229940116335 lauramide Drugs 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229940076230 magnesium sulfate monohydrate Drugs 0.000 description 1
- 229940091250 magnesium supplement Drugs 0.000 description 1
- LFCFXZHKDRJMNS-UHFFFAOYSA-L magnesium;sulfate;hydrate Chemical compound O.[Mg+2].[O-]S([O-])(=O)=O LFCFXZHKDRJMNS-UHFFFAOYSA-L 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
- 239000002609 medium Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920002643 polyglutamic acid Polymers 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229960004025 sodium salicylate Drugs 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000002888 zwitterionic surfactant Substances 0.000 description 1
Abstract
The invention discloses a stabilizer for an amino acid fertilizer, application thereof and a fertilizer, and belongs to the field of assistants. The stabilizer comprises at least alkylamide betaine. Wherein the alkyl amide betaine is C8-C22 alkyl amide polyoxyethylene polyoxypropylene betaine. According to the invention, by adding the specific alkylamide polyoxyethylene polyoxypropylene betaine surfactant, more amino acids can be combined, and meanwhile, under the conditions of high salt and different pH values, the whole solution can be kept stable, so that the problems of precipitation and flocculation of amino acids due to high salt or acid-base property are avoided, the integrity of amino acid molecules is maintained, the stability and activity of the amino acid water-soluble fertilizer are improved, the permeability and wettability are better, and the synergistic effect on the water-soluble fertilizer is realized; meanwhile, the pH has wider adaptability, can be compounded with more fertilizers and pesticides, and has wider applicability.
Description
Technical Field
The invention relates to the field of auxiliary agents, in particular to a stabilizer for amino acid fertilizer and application thereof.
Background
The amino acid source is wide, the biological property is unique, and the amino acid is often added into fertilizer products to increase photosynthesis of plants, promote fertilizer effect absorption, increase fruit quality, improve soil, enhance metabolism, stress resistance and the like, so that various water-soluble fertilizers containing amino acid are produced. The amino acid water-soluble fertilizer has the following characteristics: the added amino acid has a plurality of types, large addition amount, large difference of self-hydrophilicity and hydrophobicity, large difference of solubility in water, wide isoelectric point range of the amino acid, wide pH value range, a plurality of fertilizer types, large addition amount, high salt content and the like. The problems of crystallization, precipitation, layering and the like are easily generated after the salts are mixed with amino acids. Meanwhile, the fertilizers have the problems of poor compatibility of the medical fertilizers, poor wetting and penetrating effects, high foamability and the like.
The current common way is to add chelating agents or surfactants to the fertilizer to stabilize the solution, with most of the added surfactants being single anionic, cationic or nonionic in activity. Because the amino acid is an amphoteric compound, the single anionic and cationic surfactants tend to deactivate the surfactant after contacting the amino acid, and the surfactant tends to flocculate, precipitate, crystallize, delaminate, etc. after the deactivation, and the advantageous effect of the surfactant cannot be exerted. Whereas the usual zwitterionic surfactants: betaine, amine oxide, imidazolines and the like, and the surfactant has different salt tolerance and poor high-salt resistance, and is easy to generate the problems of flocculation, precipitation, crystallization, layering and the like with amino acid fertilizers. The alkyl glycoside surfactant has a cyclic structure, is not good in weather resistance, can break bonds under long-term high-temperature action, is poor in stability of a plurality of alcoholic hydroxyl groups, is easy to generate layering and turbidity, and is easy to generate Maillard reaction and heat storage discoloration of saccharide substances to influence the appearance of a product, such as a fertilizer composition disclosed in publication No. CN111315712A, wherein the nonionic surfactant alkyl polyglucoside is adopted. Therefore, common anionic, cationic and nonionic surfactants are adopted in the high-fertilizer and high-salt water-soluble fertilizer containing amino acid, so that flocculation and precipitation are easy to generate, the fertilizer effect is influenced, and meanwhile, the solution stability as the water-soluble fertilizer is also influenced.
The fertilizer synergistic composition disclosed in publication No. CN109776154A, application and fertilizer thereof comprise 20-40 parts of seaweed compound; 10-15 parts of organic matters; 5-10 parts of microelements; 20-30 parts of amino acid; 10-20 parts of silicon fertilizer; 10-20 parts of a carbon-octyl complexing agent; the organic matters comprise betaine, and the technical scheme is mainly used as synergism of the fertilizer, and has the main effects of improving soil, utilizing amino acid to promote the absorption of crop root systems, but does not solve the problem of the mixing stability between the amino acid and the fertilizer/pesticide. Publication No. CN113773136A discloses a long-acting multifunctional foliar fertilizer and a preparation method thereof, and the long-acting multifunctional foliar fertilizer comprises the following raw materials of polymethylene urea solution, urea, potassium nitrate, magnesium sulfate monohydrate, EDTA-Cu, EDTA-Fe, EDTA-Zn, boric acid, ammonium molybdate, potassium fulvate of mineral origin, amino acid, organic acid, vitamin, propylhydroxy cyclodextrin, brassin lactone, sodium salicylate, betaine, organic acid titanium and a surfactant. In the technical scheme, chelating agent EDTA, surfactant and betaine are added, and the betaine has the effect of improving the permeability of substances so as to activate an enzyme system, and the betaine added into the fertilizer is common betaine, but the problem of failure after the amino acid is mixed with the high-salt fertilizer and pesticide is still not solved. The fertilizer composition for improving stress resistance of field planted pear trees disclosed in publication No. CN103936500A contains amino acid and betaine, and the betaine of the technical scheme is generally used for being used independently and is used as a cold-resistant and salt-resistant substance for improving crops. The microbial fertilizer synergistic preparation disclosed in publication No. CN110627561A comprises 40-50% of homo-amino acid, 25-30% of free amino acid, 5-10% of betaine, 5-10% of sea sugar, 1-5% of organic acid and 1-5% of auxiliary agent. Publication number CN108347920a discloses agricultural adjuvant compositions and methods of using such compositions, wherein a nutrient element, a fatty acid (C1-C3) alkyl ester, and a betaine surfactant are employed. Publication No. CN108976033A discloses a water-soluble fertilizer synergist and a preparation method thereof, wherein an amino acid concentrated solution and betaine are added, the addition of the betaine and the amino acid concentrated solution is mainly exogenous addition, and the stability effect between the amino acid and the fertilizer is not solved yet. Publication No. CN108863555A discloses a liquid foliar fertilizer synergist and preparation and application thereof, and the liquid foliar fertilizer synergist consists of gamma-polyglutamic acid, dodecyl betaine, polyacrylamide and water in a certain proportion, wherein the dodecyl betaine has the effect of enhancing the spreading of foliar fertilizer drops on the leaf surface to influence the adhesion quantity, thereby achieving the synergism.
In summary, in the existing fertilizer or synergist containing amino acid, betaine surfactant is also adopted, but the betaine surfactant adopted is mainly conventional betaine, the conventional betaine is amphoteric surfactant, the surfactant is not high-salt resistant, amphoteric surfactant such as betaine and the like shows cationic performance in an acidic environment, and flocculation or precipitation is easy to generate with the amino acid fertilizer. Meanwhile, the technical problem to be solved is mainly used as external assistance addition, and the high permeability and wettability of betaine are utilized to achieve synergy, but the flocculation problem generated after the existing amino acid is mixed with high-salt fertilizer or pesticide is not fundamentally solved, so that a product with high salt resistance, thickening, wetting synergy, solubilization, wide applicable pH value range and strong universality is needed.
Disclosure of Invention
In order to solve the problems, the invention provides a stabilizer for an amino acid water-soluble fertilizer, application of the stabilizer and a fertilizer containing the stabilizer, and the amino acid can have stability in a high-salt environment and improve the fertilizer effect by adding a specific surfactant.
In order to achieve the above object, the present invention is achieved by the following technical scheme:
a stabilizer for amino acid fertilizers comprising at least alkylamide betaine.
Further, the alkyl in the alkylamide betaine is C8-C22.
Further, the alkylamide betaine is alkylamide polyoxyethylene polyoxypropylene betaine.
Further, the amount of polyoxyethylene polyoxypropylene in the alkylamide polyoxyethylene polyoxypropylene ether betaine is 3-20mol, and the polyoxyethylene: the mol ratio of the polyoxypropylene is 1 (1-4).
Further, the alkylamide betaine is one or more of octylamide dimethyl polyoxyethylene (3) betaine, dodecylamide dimethyl polyoxyethylene (3) polyoxypropylene (5) betaine, dodecylamide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (7) betaine, dodecylamide dipropyl polyoxyethylene (3) polyoxypropylene (5) betaine, dodecylamide dimethyl polyoxyethylene (5) polyoxypropylene (7) betaine, octadecylamide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (5) betaine, octadecylamide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (7) betaine, dodecylamide dihydroxyethyl polyoxyethylene (5) polyoxyethylene (3) betaine, dodecylamide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (12) betaine, octadecylamide dihydroxyethyl polyoxyethylene (5) polyoxypropylene (15) betaine.
The invention also claims the use of stabilizers in amino acid fertilizers.
Further, the usage amount of the stabilizer in the amino acid fertilizer is 1-20% of the total mass of the fertilizer.
The invention also protects an amino acid fertilizer, which comprises the following components in percentage by mass: 1-20% of amino acid, 1-20% of alkylamide betaine, 1-50% of fertilizer, 0-20% of other chemically acceptable components and the balance of water.
The preferred amino acid fertilizer comprises the following components in percentage by mass: 10-20% of amino acid, 5-15% of alkylamide betaine, 15-40% of fertilizer, 0-20% of other chemically acceptable components and the balance of water.
Further, the fertilizer comprises a major element fertilizer and a medium trace element fertilizer of nitrogen, phosphorus and potassium, and is classified into a major-medium trace element fertilizer, an amino acid water-soluble fertilizer and an amino acid medium element water-soluble fertilizer. The content of calcium and/or magnesium in the amino acid medium element water-soluble fertilizer is not less than 1%; the amino acid trace element water-soluble fertilizer refers to the sum of the contents of copper, iron, manganese, zinc, boron and molybdenum, and the product at least contains two trace elements, and the content is not less than 0.1%. Wherein the medium trace element salts include, but are not limited to, ammonium molybdate, magnesium sulfate, manganese sulfate, calcium chloride, ferrous sulfate, borax, copper sulfate, sodium silicate, zinc sulfate, etc.; further, other chemically acceptable components include any one or more of lower alcohol, solvent, pH regulator, pesticide active ingredient, inert ingredient, preservative, viscosity reducer, stabilizer and defoamer.
Further, the lower alcohol is any one or more of methanol, ethanol, propanol, isopropanol, n-butanol and isobutanol.
Further, the pesticide active ingredient is any one or more of herbicide, pesticide, bactericide and plant growth regulator.
The stabilizer of the invention, namely the alkylamide polyoxyethylene polyoxypropylene betaine, contains an alkylamide structure and a polyoxyethylene polyoxypropylene block structure, the alkylamide structure enhances the binding capacity with amino acid, namely the amino acid is used as a carrier after being combined with the alkylamide betaine, and meanwhile, the alkylamide group can also change the molecular performance, has better stability and higher viscosity, thereby reducing the precipitation and flocculation of the amino acid. The polyoxyethylene polyoxypropylene structure can enhance the hydrophilic performance, thereby increasing the solubility of amino acid in water, solving the problems of flocculation or precipitation and improving the foam performance. The betaine structure enhances the salt tolerance of the amino acid, and the formed substance has the effects of nonionic, cationic and zwitterionic. The interaction of positive and negative ions of the amphoteric surfactant betaine with further enhanced nonionic and cationic structural parts in the high-salt solution further reduces the critical surface tension of the amphoteric surfactant betaine, and the amphoteric surfactant betaine directly shows that the viscosity is obviously increased, has lower dynamic and static surface tension, reduces the contact angle and is easier to wet the plant surface. In an acidic environment, the nonionic structure can improve the transformation from amphoteric betaine to cation and solve the problem of flocculation or precipitation in amino acid fertilizer, so that the three structures in the surfactant alkyl amide polyoxyethylene polyoxypropylene betaine of the invention complement each other, and the surfactant alkyl amide polyoxyethylene polyoxypropylene betaine is indispensable.
The stabilizer in the present invention is alkylamide betaine, wherein the alkyl group is preferably C8-C22, more preferably C12-C18. Under the structure of the carbon atoms, the surfactant has better adhesiveness, wettability and permeability, can be used as a carrier of amino acid, can enter the inside of a contact object more, promotes crop absorption, improves the fertilizer efficiency of the fertilizer, and achieves the synergistic effect.
The stabilizer for the amino acid fertilizer has the beneficial effects that: the stabilizer alkyl amide polyoxyethylene polyoxypropylene betaine surfactant disclosed by the invention can be used for combining more amino acids, and simultaneously can keep the whole solution stable under high-salt and acidic environments, so that the problem of precipitation and flocculation of amino acids due to high-salt or acidic conditions is avoided, the integrity of amino acid molecules is maintained, the stability and activity of an amino acid water-soluble fertilizer are improved, the permeability and wettability are better, and the water-soluble fertilizer has a synergistic effect; meanwhile, the pH has wider adaptability, can be compounded with more fertilizers and pesticides, and has wider applicability.
Detailed Description
In order that the manner in which the invention may be better understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A stabilizer for amino acid fertilizers comprises at least alkylamide betaine and can also comprise a chemically acceptable component. Wherein the chemically acceptable ingredients may include thickeners, solubilizing agents, other functional surfactants, and the like.
In the invention, the alkyl in the alkylamide betaine is C8-C22, preferably C12-C18, and the alkylamide betaine is alkylamide polyoxyethylene polyoxypropylene betaine.
In the invention, the amount of polyoxyethylene polyoxypropylene in the alkylamide polyoxyethylene polyoxypropylene ether betaine is 3-20mol, and the mol ratio of polyoxyethylene to polyoxypropylene is 1 (1-4).
In the invention, the alkylamide betaine is one or more of octylamide dimethyl polyoxyethylene (3) polyoxypropylene (3) betaine, dodecylamide dimethyl polyoxyethylene (3) polyoxypropylene (5) betaine, dodecylamide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (7) betaine, dodecylamide dipropyl polyoxyethylene (3) polyoxypropylene (5) betaine, dodecylamide dimethyl polyoxyethylene (5) polyoxypropylene (7) betaine, octadecylamide bishydroxyethyl polyoxyethylene (3) polyoxypropylene (5) betaine, octadecylamide bishydroxyethyl polyoxyethylene (3) polyoxypropylene (7) betaine, dodecylamide bishydroxyethyl polyoxyethylene (5) betaine, dodecylamide bishydroxyethyl polyoxyethylene (3) polyoxypropylene (12) betaine and octadecylamide bishydroxyethyl polyoxyethylene (5) polyoxypropylene (15).
The invention also claims the use of stabilizers in amino acid fertilizers.
The invention relates to an amino acid fertilizer which comprises the following components in percentage by mass: 1-20% of amino acid, 1-20% of alkylamide betaine, 1-50% of fertilizer, 0-20% of other chemically acceptable components and the balance of water.
The fertilizer comprises nitrogen, phosphorus and potassium and medium trace element salt, wherein the mass percentage of the medium trace element salt in the water-soluble fertilizer is not more than 1%. Wherein the medium trace element salt is mainly ammonium molybdate, magnesium sulfate, manganese sulfate, calcium chloride, ferrous sulfate, borax, copper sulfate, sodium silicate, zinc sulfate, formamide, thiourea and the like.
The other chemically acceptable components comprise any one or more of lower alcohol, solvent, pH regulator, pesticide active ingredient, inert ingredient, preservative, viscosity reducer, stabilizer and defoamer.
Lower alcohols: is one of methanol, ethanol, propanol, isopropanol, n-butanol and isobutanol.
Solvent: DMSO, DMF, NMP.
pH regulator: is any one of dihydrogen phosphate, monohydrogen phosphate, hydrogen sulfate and bicarbonate.
The pesticide active ingredients are as follows: is one or more of herbicide, pesticide, bactericide and plant growth regulator.
Inert components: is any one or more of titanium dioxide, diatomite and kaolin.
Other ingredients also include: preservative, viscosity reducer, etc.
In the invention, the preparation method of the alkylamide polyoxyethylene polyoxypropylene betaine comprises the following steps: reacting alkyl amide betaine with a mixture of ethylene oxide and propylene oxide to a terminal point to obtain alkyl amide polyoxyethylene polyoxypropylene betaine; in this reaction, the molar ratio of polyoxyethylene to polyoxypropylene was controlled to 1 (1-4) by controlling the molar amounts of ethylene oxide and propylene oxide and the reaction conditions.
The specific reaction equation is:
application examples
Example 1
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 10% of amino acid, 10% of lauramide dimethyl polyoxyethylene (3) polyoxypropylene (5) betaine, 15-15-15 nitrogen phosphorus potassium 20% and the balance of water;
example 2
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 10% of amino acid, 10% of dodecyl amide diethyl polyoxyethylene (3) polyoxypropylene (5) betaine, 15-15-15 nitrogen, phosphorus and potassium 30% and the balance of water;
example 3
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 10% of amino acid, 10% of dodecyl amide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (5) betaine, 15-15-15 of nitrogen, phosphorus and potassium 40% and the balance of water;
example 4
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 10% of amino acid, 10% of hexadecylamide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (5) betaine, 15-15-15 nitrogen phosphorus potassium 20% and the balance of water;
example 5
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 10% of amino acid, 10% of octadecyl amide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (5) betaine, 15-15-15 nitrogen phosphorus potassium 30% and the balance of water;
example 6
The stabilizer-containing amino acid water-soluble fertilizer comprises, by mass, 10% of amino acid, 10% of behenyl amide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (5) betaine, 15-15-15 of azophoska 40% and the balance of water;
example 7
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 10% of amino acid, 1% of dodecyl amide dihydroxyethyl polyoxyethylene (5) polyoxypropylene (5) betaine, 15-15-15 of nitrogen, phosphorus and potassium 20% and the balance of water;
example 8
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 10% of amino acid, 5% of dodecyl amide dihydroxyethyl polyoxyethylene (5) polyoxypropylene (5) betaine, 15-15-15 of nitrogen, phosphorus and potassium 20% and the balance of water;
example 9
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 10% of amino acid, 10% of dodecyl amide dihydroxyethyl polyoxyethylene (5) polyoxypropylene (5) betaine, 15-15-15 of nitrogen, phosphorus and potassium 20% and the balance of water;
example 10
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 10% of amino acid, 20% of dodecyl amide dihydroxyethyl polyoxyethylene (5) polyoxypropylene (5) betaine, 15-15-15 of nitrogen, phosphorus and potassium, and the balance of water;
example 11
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 20% of amino acid, 5% of dodecyl amide dihydroxyethyl polyoxyethylene (5) polyoxypropylene (5) betaine, 15-15-15% of nitrogen, phosphorus and potassium, and the balance of water;
example 12
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 20% of amino acid, 5% of dodecyl amide dihydroxyethyl polyoxyethylene (5) polyoxypropylene (5) betaine, 15-15-15 of nitrogen, phosphorus and potassium, 20% of the balance water;
example 13
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 20% of amino acid, 5% of dodecyl amide dihydroxyethyl polyoxyethylene (5) polyoxypropylene (5) betaine, 15-15-15 of nitrogen, phosphorus and potassium, and the balance of water;
example 14
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 10% of amino acid, 10% of dodecyl amide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (5) betaine, 15-15-15 nitrogen, phosphorus and potassium 20% and the balance of water;
example 15
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 10% of amino acid, 10% of dodecyl amide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (5) betaine, 15-15-15 of nitrogen, phosphorus and potassium, and the balance of water;
example 16
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 20% of amino acid, 10% of dodecyl amide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (5) betaine, 15-15-15 of nitrogen, phosphorus and potassium, 20% of the balance water;
example 17
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 20% of amino acid, 10% of dodecyl amide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (5) betaine, 15-15-15 of nitrogen, phosphorus and potassium, and the balance of water;
example 18
An amino acid water-soluble fertilizer containing a stabilizer comprises, by mass, 20% of amino acid, 10% of dodecyl amide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (5) betaine, 15-15-15 of nitrogen, phosphorus and potassium 40% and the balance of water;
the comparative examples were set as follows:
in the above table, "-" indicates that the addition amount is 0.
1. Salt resistance evaluation test:
stability of formulations at different salt contents
The evaluation method comprises the following steps: the preparation appearance is examined by selecting and adding a surfactant according to the HG/T2467.2-2003 low-temperature stability, HG/T2467.2-2003 heat storage stability and NY 1429-2010 amino acid-containing water-soluble fertilizer, and the heat storage stability is examined.
Through detection, the preparations obtained in examples 1-18 are clear and transparent in appearance, and the 14-day cold and hot storage results are clear and transparent, and have no layering, precipitation and crystallization. The alkyl amide polyoxyethylene polyoxypropylene betaine with different carbon chain distribution and different structural groups in the stabilizer has good salt tolerance.
The data obtained by examples 3, examples 14-18 and comparative examples 1-30 are shown in Table 1:
TABLE 1 thermal storage stability of different stabilizers at different salt concentrations
Remarks: "-" means a product that cannot be prepared under low salt conditions, and is not subjected to subsequent testing
As can be seen from Table 1, the conventional alkyl betaines and alkyl amidobetaines used in comparative examples 10 to 15 and comparative examples 19 to 21 were superior in stability of the amino acid solution at low concentration of salt, whereas the solution stability was inferior with increasing salt concentration, precipitation and delamination occurred, and were unfavorable for practical use.
Comparative examples 16 to 18, comparative examples 22 to 24 used common alkyl polyoxyethylene-based surfactants, were inferior in stability to amino acid solutions at different salt concentrations.
From the above data, it can be seen that common anionic surfactants and single nonionic surfactants are less stable to amino acid solutions than conventional anionic surfactants and conventional nonionic surfactants used in comparative examples 7-9 and comparative examples 25-27.
From the above examples and comparative examples, the invention adopts different carbon chain distribution, the alkylamide polyoxyethylene polyoxypropylene betaine with different structural groups has good salt resistance and good applicability, the solubilization performance has better salt resistance than the conventional nonionic and amphoteric ion activities, and the solubilization effect is more obvious for amino acids; in the case of both high and low concentrations of salt, the amino acid solution can maintain good stability.
2. Suitability evaluation: pH value of
Sodium hydroxide and dilute hydrochloric acid are used as acid-base agents to prepare amino acid-containing water-soluble fertilizers with pH3, pH4 … …, pH11 and pH12 respectively, the stability of finished products is inspected, and reference standards are adopted: HG/T2467.2-2003 low temperature stability, HG/T2467.2-2003 heat storage stability, NY/T1427-2007 general rules for testing normal temperature storage stability of pesticides, NY 1429-2010 containing amino acid water-soluble fertilizers.
The stabilizer takes octyl amide dimethyl polyoxyethylene (3) polyoxypropylene (3) betaine as an example, the fertilizer is 15-15-15 of nitrogen-phosphorus-potassium compound fertilizer, and the medium trace elements are less than 1%; the balance being water; the results obtained are shown in Table 2:
TABLE 2 stability of amino acid Water-soluble fertilizers at different pH values
As can be seen from Table 2, the alkyl amide polyoxyethylene polyoxypropylene betaines of the present invention have good applicability in an environment of pH 3-12.
3. Comparison of the applicability of different types of amino acid Water-soluble fertilizers
3.1 amino acid medium element water soluble fertilizer
Reference standard: HG/T2467.2-2003 low temperature stability, HG/T2467.2-2003 heat storage stability, general rules for normal temperature storage stability tests of pesticides NY/T1427-2007, NY 1429-2010 amino acid-containing water-soluble fertilizers and NY 2266-2012 medium element water-soluble fertilizers.
The stabilizer is a nitrogen-phosphorus-potassium compound fertilizer with a fertilizer of 15-15-15 and a medium element of magnesium sulfate and calcium chloride mixed according to a ratio of 1:2, taking dodecyl amide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (7) betaine as an example. The results obtained are shown in Table 3:
TABLE 3 stability of elemental water soluble fertilizers in amino acids
3.2 trace element water soluble fertilizer in amino acid
Reference standard: HG/T2467.2-2003 low temperature stability, HG/T2467.2-2003 heat storage stability, general rules for normal temperature storage stability tests of NY/T1427-2007 pesticides, NY 1429-2010 amino acid-containing water-soluble fertilizers, NY 2266-2012 medium element water-soluble fertilizers and NY 1428-2010 trace element water-soluble fertilizers.
The stabilizer is an octadecyl amide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (7) betaine, the fertilizer is a nitrogen-phosphorus-potassium compound fertilizer with 15-15-15, the medium elements are magnesium sulfate and calcium chloride which are mixed according to the proportion of 1:2, and the trace elements are ferrous sulfate, manganese sulfate and zinc sulfate which are mixed according to the proportion of 1:1:1. The results obtained are shown in Table 4:
table 4 stability of trace element Water-soluble fertilizers in amino acids
From tables 3 and 4, the invention has better heat storage stability for the amino acid medium element water-soluble fertilizer and the amino acid medium trace element water-soluble fertilizer. Namely, the invention has better stability in different kinds of amino acid-containing water-soluble fertilizers under different salt concentrations.
4. Stability influence of amino acid suspension fertilizer
4.1 amino acid-calcium carbonate suspension
Reference standard: HG/T2467.2-2003 low temperature stability, HG/T2467.2-2003 heat storage stability, NY/T1427-2007 general rules for testing normal temperature storage stability of pesticides, NY 1429-2010 containing amino acid water-soluble fertilizers.
The stabilizer was exemplified by dodecylamide dihydroxyethyl polyoxyethylene (3) polyoxypropylene (5) betaine, and the results obtained are shown in Table 5:
TABLE 5 stability of amino acid-calcium carbonate suspensions
4.2 amino acid-Zinc oxide suspension
The stabilizer was exemplified by octadecyl dihydroxyethyl polyoxyethylene (3) polyoxypropylene (5) betaine, and the results obtained are shown in Table 6:
TABLE 6 stability of amino acid-Zinc oxide suspensions
From tables 5 and 6, it can be seen that the alkylamide polyoxyethylene polyoxypropylene betaine of the present invention is suitable for amino acid suspension fertilizers with different contents, and the suspension fertilizer does not generate delamination, crystallization and precipitation under the conditions of cold and hot storage and normal temperature storage, and the alkylamide polyoxyethylene polyoxypropylene betaine has good stability to the amino acid suspension fee.
5. Wettability and surface tension test
5.1 permanent foamability test, test with reference to GB/T28137-2011 method, record foam volume after 1 min. Although this index is not a mandatory index for fertilizers, it was conducted in terms of spray uniformity and hazard avoidance in practical use.
5.2 wettability test
The wettability was tested by a pure cotton canvas sheet wet sedimentation method in which the stabilizer was diluted 1000 times.
C12 betaine:
example 53: 10% of amino acid, 20% of 15-15-15 nitrogen phosphorus potassium fertilizer and 10% of stabilizer, wherein the stabilizer is dodecyl dihydroxyethyl polyoxyethylene (3) polyoxypropylene (5) betaine.
Example 54: 10% of amino acid, 20% of 15-15-15 nitrogen phosphorus potassium fertilizer and 10% of stabilizer, wherein the stabilizer is dodecyl dihydroxyethyl polyoxyethylene (5) polyoxypropylene (5) betaine.
Comparative example 28: the same as in example 53, except that the stabilizer was dodecyl dihydroxyethyl polyoxyethylene (8) betaine.
Comparative example 29: the same as in example 53, except that the stabilizer was dodecyl dihydroxyethyl polyoxyethylene (10) betaine.
Comparative example 30: the same as in example 53, except that the stabilizer was dodecyl dihydroxyethyl polyoxypropylene (8) betaine.
Comparative example 31: the same as in example 53, except that the stabilizer was dodecyl dihydroxyethyl polyoxypropylene (10) betaine.
The results of each test are shown in Table 7:
TABLE 7 performance results of C12 alkylamide polyether betaines
C16 betaines
Example 55: 10% of amino acid, 20% of 15-15-15 nitrogen phosphorus potassium fertilizer and 10% of stabilizer, wherein the stabilizer is hexadecyl dihydroxyethyl polyoxyethylene (3) polyoxypropylene (5) betaine.
Example 56: 10% of amino acid, 20% of 15-15-15 nitrogen phosphorus potassium fertilizer and 10% of stabilizer, wherein the stabilizer is hexadecyl dihydroxyethyl polyoxyethylene (5) polyoxypropylene (5) betaine.
Comparative example 32: the same as in example 55, except that the stabilizer was cetyl dihydroxyethyl polyoxyethylene (8) betaine.
Comparative example 33: the same as in example 55, except that the stabilizer was cetyl dihydroxyethyl polyoxyethylene (10) betaine.
Comparative example 34: the same as in example 55, except that the stabilizer was cetyl dihydroxyethyl polyoxypropylene (8) betaine.
Comparative example 35: the same as in example 55, except that the stabilizer was cetyl dihydroxyethyl polyoxypropylene (10) betaine.
The results of each test are shown in Table 8:
table 8 results of Performance of C16 alkylamide polyether betaines
As can be seen from tables 7 and 8, examples 53-56 all have a persistent foamability of less than 60 and meet industry standards and national standards. From the viewpoint of wettability, examples 53 to 54 were respectively 74 and 65, which were lower in wettability than the alkyl polyoxyethylene-based betaines and the alkyl polyoxypropylene-based betaines, and applied to crops as fertilizers, and were faster in absorption and better in absorption effect.
It can be seen from examples 53-54 and examples 55-56 that within a certain range, the longer the carbon chain, the better the wettability.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Finally, it should be noted that: the embodiment of the invention is disclosed only as a preferred embodiment of the invention, and is only used for illustrating the technical scheme of the invention, but not limiting the technical scheme; although the invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that; the technical scheme recorded in the various embodiments can be modified or part of technical features in the technical scheme can be replaced equivalently; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (4)
1. The use of a stabilizer in an amino acid fertilizer characterized by: the stabilizer at least comprises alkylamide polyoxyethylene polyoxypropylene betaine;
the alkyl amide polyoxyethylene polyoxypropylene betaine is one or more of octyl amide dimethyl tri polyoxyethylene-trioxypropylene betaine, dodecyl amide dimethyl tri polyoxyethylene-pentapolyoxypropylene betaine, dodecyl amide dihydroxyethyl tri polyoxyethylene-heptapolyoxypropylene betaine, octadecyl amide dihydroxyethyl tri polyoxyethylene-pentapolyoxypropylene betaine, octadecyl amide dihydroxyethyl tri polyoxyethylene-heptapolyoxypropylene betaine, dodecyl amide dihydroxyethyl pentapolyoxyethylene-pentapolyoxypropylene betaine.
2. Use of a stabilizer in a fertilizer for amino acids according to claim 1, characterized in that: the amount of polyoxyethylene polyoxypropylene in the alkylamide polyoxyethylene polyoxypropylene ether betaine is 3-20mol, and the mol ratio of polyoxyethylene to polyoxypropylene is 1 (1-4).
3. An amino acid fertilizer, characterized in that: the composite material comprises the following components in percentage by mass: 1-20% of amino acid, 1-20% of alkyl amide polyoxyethylene polyoxypropylene betaine, 1-50% of fertilizer, 0-20% of other chemically acceptable components and the balance of water; the alkyl amide polyoxyethylene polyoxypropylene betaine is the alkyl amide polyoxyethylene polyoxypropylene betaine of claim 1 or 2.
4. An amino acid fertilizer according to claim 3, characterized in that: the fertilizer comprises a major element fertilizer and a middle trace element fertilizer of nitrogen, phosphorus and potassium.
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| CN202211284441.XA CN115636703B (en) | 2022-10-17 | 2022-10-17 | Stabilizer for amino acid fertilizer and application thereof |
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