CN107950523A - 一种先沉后浮自分散型漂浮粒剂及其制备方法 - Google Patents
一种先沉后浮自分散型漂浮粒剂及其制备方法 Download PDFInfo
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- CN107950523A CN107950523A CN201711233833.2A CN201711233833A CN107950523A CN 107950523 A CN107950523 A CN 107950523A CN 201711233833 A CN201711233833 A CN 201711233833A CN 107950523 A CN107950523 A CN 107950523A
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- sodium
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- floating granula
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Links
- 238000007667 floating Methods 0.000 title claims abstract description 31
- 239000006185 dispersion Substances 0.000 title claims abstract description 10
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000005469 granulation Methods 0.000 title abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 14
- 239000007884 disintegrant Substances 0.000 claims abstract description 12
- 239000002270 dispersing agent Substances 0.000 claims abstract description 12
- 238000003892 spreading Methods 0.000 claims abstract description 12
- 239000000080 wetting agent Substances 0.000 claims abstract description 12
- 239000011230 binding agent Substances 0.000 claims abstract description 10
- 239000000575 pesticide Substances 0.000 claims abstract description 9
- 239000004480 active ingredient Substances 0.000 claims abstract description 7
- 230000000361 pesticidal effect Effects 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 22
- -1 benzobicylon Chemical compound 0.000 claims description 15
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 8
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 7
- 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 claims description 6
- VXMNDQDDWDDKOQ-UHFFFAOYSA-N Pyrazosulfuron Chemical compound COC1=CC(OC)=NC(NC(=O)NS(=O)(=O)C=2N(N=CC=2C(O)=O)C)=N1 VXMNDQDDWDDKOQ-UHFFFAOYSA-N 0.000 claims description 6
- 239000005472 Bensulfuron methyl Substances 0.000 claims description 5
- IHHMUBRVTJMLQO-UHFFFAOYSA-N Pyraclonil Chemical compound C#CCN(C)C1=C(C#N)C=NN1C1=NN(CCCC2)C2=C1Cl IHHMUBRVTJMLQO-UHFFFAOYSA-N 0.000 claims description 5
- XMQFTWRPUQYINF-UHFFFAOYSA-N bensulfuron-methyl Chemical group COC(=O)C1=CC=CC=C1CS(=O)(=O)NC(=O)NC1=NC(OC)=CC(OC)=N1 XMQFTWRPUQYINF-UHFFFAOYSA-N 0.000 claims description 5
- 239000007859 condensation product Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- XIGAUIHYSDTJHW-UHFFFAOYSA-N mefenacet Chemical group N=1C2=CC=CC=C2SC=1OCC(=O)N(C)C1=CC=CC=C1 XIGAUIHYSDTJHW-UHFFFAOYSA-N 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 229920000084 Gum arabic Polymers 0.000 claims description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000000205 acacia gum Substances 0.000 claims description 4
- 235000010489 acacia gum Nutrition 0.000 claims description 4
- 229910021538 borax Inorganic materials 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 150000002191 fatty alcohols Chemical class 0.000 claims description 4
- 229920000570 polyether Polymers 0.000 claims description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 4
- 239000011780 sodium chloride Substances 0.000 claims description 4
- 239000004328 sodium tetraborate Substances 0.000 claims description 4
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 3
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical group OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims description 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 3
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000000661 sodium alginate Substances 0.000 claims description 3
- 235000010413 sodium alginate Nutrition 0.000 claims description 3
- 229940005550 sodium alginate Drugs 0.000 claims description 3
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical group [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- 241000208671 Campanulaceae Species 0.000 claims description 2
- 229920001661 Chitosan Polymers 0.000 claims description 2
- 239000005507 Diflufenican Substances 0.000 claims description 2
- 241001272567 Hominoidea Species 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims description 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 2
- 150000001346 alkyl aryl ethers Chemical class 0.000 claims description 2
- 150000008051 alkyl sulfates Chemical group 0.000 claims description 2
- 150000008052 alkyl sulfonates Chemical class 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 239000007799 cork Substances 0.000 claims description 2
- WYEHFWKAOXOVJD-UHFFFAOYSA-N diflufenican Chemical compound FC1=CC(F)=CC=C1NC(=O)C1=CC=CN=C1OC1=CC=CC(C(F)(F)F)=C1 WYEHFWKAOXOVJD-UHFFFAOYSA-N 0.000 claims description 2
- UYAAVKFHBMJOJZ-UHFFFAOYSA-N diimidazo[1,3-b:1',3'-e]pyrazine-5,10-dione Chemical compound O=C1C2=CN=CN2C(=O)C2=CN=CN12 UYAAVKFHBMJOJZ-UHFFFAOYSA-N 0.000 claims description 2
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 2
- 150000002222 fluorine compounds Chemical class 0.000 claims description 2
- 229920005610 lignin Polymers 0.000 claims description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 2
- 239000001095 magnesium carbonate Substances 0.000 claims description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 2
- 235000011147 magnesium chloride Nutrition 0.000 claims description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 2
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- 229910001562 pearlite Inorganic materials 0.000 claims description 2
- 229920005575 poly(amic acid) Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 2
- 239000001103 potassium chloride Substances 0.000 claims description 2
- 235000011164 potassium chloride Nutrition 0.000 claims description 2
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 2
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 2
- 235000011151 potassium sulphates Nutrition 0.000 claims description 2
- 229940116423 propylene glycol diacetate Drugs 0.000 claims description 2
- 235000015424 sodium Nutrition 0.000 claims description 2
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 2
- 239000004299 sodium benzoate Substances 0.000 claims description 2
- 235000010234 sodium benzoate Nutrition 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 2
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
- 235000011152 sodium sulphate Nutrition 0.000 claims description 2
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- 239000004575 stone Substances 0.000 claims description 2
- 239000010902 straw Substances 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
- 239000010455 vermiculite Substances 0.000 claims description 2
- 235000019354 vermiculite Nutrition 0.000 claims description 2
- 229910052902 vermiculite Inorganic materials 0.000 claims description 2
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- 239000000463 material Substances 0.000 claims 2
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 claims 1
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical group CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 claims 1
- GJCOSYZMQJWQCA-UHFFFAOYSA-N 9H-xanthene Chemical compound C1=CC=C2CC3=CC=CC=C3OC2=C1 GJCOSYZMQJWQCA-UHFFFAOYSA-N 0.000 claims 1
- KHBQMWCZKVMBLN-UHFFFAOYSA-N Benzenesulfonamide Chemical compound NS(=O)(=O)C1=CC=CC=C1 KHBQMWCZKVMBLN-UHFFFAOYSA-N 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 241000978776 Senegalia senegal Species 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 claims 1
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- 244000025254 Cannabis sativa Species 0.000 description 2
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/12—Powders or granules
- A01N25/14—Powders or granules wettable
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
- A01N41/10—Sulfones; Sulfoxides
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/66—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms
- A01N43/68—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms with two or three nitrogen atoms directly attached to ring carbon atoms
- A01N43/70—Diamino—1,3,5—triazines with only one oxygen, sulfur or halogen atom or only one cyano, thiocyano (—SCN), cyanato (—OCN) or azido (—N3) group directly attached to a ring carbon atom
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/78—1,3-Thiazoles; Hydrogenated 1,3-thiazoles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
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Abstract
本发明公开了一种先沉后浮自分散型漂浮粒剂及其制备方法，属于农药技术领域。组分组成：活性成分0.5‑50%、扩展剂0.5‑10%、分散剂1‑10%、润湿剂0.5‑5%、粘结剂0.1‑5%、崩解剂5‑20%、载体补足。制备方法：1）将农药活性成分、润湿剂、分散剂、崩解剂、粘结剂、填料气流粉碎；2）加扩展剂吸附后，加入适量水造粒；本发明漂浮粒剂直接撒施，药剂即可均匀分散，降低劳动强度，省时省工；颗粒入水后先沉后浮可减少颗粒在水面的漂移和聚集，减少药害；崩解后在水面形成连续的膜，不易破裂，增加防治时间。
Description
技术领域
本发明涉及农药技术领域，具体涉及一种先沉后浮自分散型漂浮粒剂及其制备方法。
背景技术
随着社会得发展和科技得进步，农药工业也在不断进步而且一直致力于发展对人类和环境安全的农药新剂型，在现阶段提出更高得要求。一方面农药传统剂型存在一系列问题，如乳油使用得有害溶剂，环境中不易降解，可湿性粉剂加工过程，粉尘污染。也是如此一些安全，环保的农药剂型正在逐步对传统剂型进行替代；另一方面国内从事农业者的高龄化程度加深，而且要进行病虫害防治等重体力作业，所以对缓释化、多功能、省力化农药新机型产生迫切的希望。
漂浮粒剂是省力化剂型的一种。沉降型颗粒剂固定于土壤表面，有效成分被土壤吸附，对茎叶的渗透和传导弱；传统飘浮粒剂在水面飘浮扩散，很容易集聚在下风处或者田埂，不能使药剂的有效成分在大范围内释放出来，药效达不到期望效果，成本高易产生药害。本发明所述的先沉后浮自分散型漂浮粒剂，入水后一度沉降，其中一部分在几分钟内即可浮上水面，以半溶状在贴近水面的水上一边飘浮一边溶解，至水面后迅速扩散。
发明内容
本发明的目的使提供一种先沉后浮自分散型漂浮粒剂及其制备方法。制备出来的颗粒入水后沉降，颗粒内空气在粘结剂作用下水中不外逸，被覆盖层的粘结剂在水中形成高粘度胶体状，而不是立即溶解，形成气球状。颗粒中因有少量空气残留气球内，成为了飘浮动力。随后，上浮过程的颗粒逐步溶出，在露出水面一定时间内溶解殆尽，且在制备过程中加入性能优异的扩散剂，使得颗粒在水面自动扩散，并形成连续的膜，遇障碍物自动避让，不聚集，扩散距离、扩散速度均可调节。
本发明特点还在于使用时无需喷雾或伴土，使用着步行在田埂直接抛洒投入水中即可，使用方便，劳动强度低，节省时间，提高功效；计量准确易于掌握，抛洒过程无粉尘飞扬，对周边作物安全；分散性能优越，当颗粒撒入水稻田后，先沉入水中，2-5分钟浮起后自动跳动并均匀分散到田间。
本发明的组分及其各组分质量百分含量如下:
活性成分 0.5-50%
扩展剂 0.5-10%
分散剂 1-10%
润湿剂 0.5-5%
粘结剂 0.1-5%
崩解剂 5-20%
载体补足至 100%。
所述农药有效成分为苯噻酰草胺、西草净、扑草净、吡嘧磺隆、苄嘧磺隆、双唑草腈、双环磺草酮中的任意一种或任意两种组合物或任意两种以上的组合物。
所述的扩展剂选自十二烷基苯磺酸钠、PO-EO嵌段聚醚、聚氧硅烷、乙二醇苯醚、丙二醇二醋酸酯、软蜡、固体石蜡、氟化合物中的任意一种或任意两种组合物或任意两种以上的组合物。
所述的分散剂选自烷基硫酸盐、聚羧酸盐、聚氧乙烯基烷基芳基醚、烷基萘甲醛缩合物、木质素磺酸钠、亚甲基二萘磺酸钠、脂肪醇聚氧乙烯醚、烷基酚聚氧乙烯醚、烷基酚聚氧乙烯醚甲醛缩合物、烷基磺酸盐、烷基苯磺酸盐、烷基萘磺酸盐、聚丙烯酸聚合物中的一种或任意两种组合误或任意两种以上的组合物。
所述润湿剂选自十二烷基硫酸钠、快T、拉开粉、脂肪醇聚氧乙烯醚、烷基酚聚氧乙烯醚中的任意一种或任意两种组合物或任意两种以上的组合物。
所述粘结剂选自聚乙烯醇、聚丙烯酸钠、聚丙烯酸胺、***树胶、羧甲基纤维素钠、水溶性淀粉、海藻酸钠中的任意一种或任意两种组合物或任意两种以上的组合物。
所述崩解剂选自氯化钠、苯甲酸钠、硫酸铵、尿素、羧甲基淀粉钠、木质素、壳聚糖、聚氨酯、脲醛树脂中的任意一种或任意两种组合物或任意两种以上的组合物。
所述载体选自氯化钙、氯化钾、氯化钠、氯化镁、硼砂、硫酸钠、硫酸钾、硫酸镁、硫酸铵、碳酸钠、碳酸钾、碳酸镁、膨胀的蛭石、玻璃微珠、膨胀浮石、木屑、稻草桔梗、软木、硅藻土、烧结珍珠岩中的任意一种或任意两种组合物或任意两种以上的组合物。
本发明还提供一种先沉后浮自分散型漂浮粒剂的制备方法，包括以下步骤：
（1）将农药活性成分，所述分散剂、润湿剂、崩解剂、粘结剂以及载体混合均匀，通过气流粉碎；
（2）向步骤1中加入扩展剂吸附，然后加水进行捏合，并转入旋转挤压造粒机进行造粒，得到固体颗粒；
（3）将步骤2所得颗粒烘干，筛分，得到合格的漂浮粒剂成品。
本发明有益效果：本发明漂浮粒剂直接撒施，药剂即可均匀分散，降低劳动强度，省时省工；颗粒入水后先沉后浮可减少颗粒在水面的漂移和聚集，减少药害；崩解后在水面形成连续的膜，不易破裂，增加防治时间。
一、具体实施方式
实施例1 2%双唑草腈漂浮粒剂
双唑草腈 2%
丙二醇二醋酸酯 4%
亚甲基二萘磺酸钠 4%
十二烷基硫酸钠 1%
羧甲基纤维素钠 2%
氯化钠 5%
硼砂 补至100%
按上述配方将双唑草腈和分散剂、润湿剂、崩解剂以及载体混合均匀，用超微气流粉碎机粉碎，在捏合机中加入扩展剂吸附，吸附完全后加水捏合，然后进入挤压造粒机造粒，沸腾干燥机中干燥，筛分后经取样分析，制得本发明所述的含有双唑草腈的漂浮粒剂。
实施例2 3%双环磺草酮漂浮粒剂
双环磺草酮 2%
聚氧硅烷 4%
烷基萘甲醛缩合物 4%
脂肪醇聚氧乙烯醚 1%
海藻酸钠 2%
尿素 5%
硼砂 补至100%
按上述配方将双环磺草酮和分散剂、润湿剂、崩解剂以及载体混合均匀，用超微气流粉碎机粉碎，在捏合机中加入扩展剂吸附，吸附完全后加水捏合，然后进入挤压造粒机造粒，沸腾干燥机中干燥，筛分后经取样分析，制得本发明所述的含有双环磺草酮的漂浮粒剂。
实施例3 18%扑草净•3%吡嘧磺隆•18%西草净漂浮粒剂
扑草净 18%
吡嘧磺隆 3%
西草净 18%
PO-EO嵌段聚醚 3 %
聚丙烯酸聚合物 5%
拉开粉 4%
***树胶 10%
尿素 5%
玻璃微珠 补至100%
按上述配方将扑草净、吡嘧磺隆、西草净和分散剂、润湿剂、崩解剂以及载体混合均匀，用超微气流粉碎机粉碎，在捏合机中加入扩展剂吸附，吸附完全后加水捏合，然后进入挤压造粒机造粒，沸腾干燥机中干燥，筛分后经取样分析，制得本发明所述的含有苯噻酰草胺、吡嘧磺隆、西草净的漂浮粒剂。
实施例4 23%苯噻酰草胺酰草胺2%苄嘧磺隆飘浮粒剂
苯噻酰草胺 23%
苄嘧磺隆 2%
PO-EO嵌段聚醚 3 %
烷基酚聚氧乙烯醚甲醛缩合物 5%
拉开粉 4%
***树胶 10%
硫酸铵 10%
玻璃微珠 补至100%
按上述配方将苯噻酰草胺、苄嘧磺隆和分散剂、润湿剂、崩解剂以及载体混合均匀，用超微气流粉碎机粉碎，在捏合机中加入扩展剂吸附，吸附完全后加水捏合，然后进入挤压造粒机造粒，沸腾干燥机中干燥，筛分后经取样分析，制得本发明所述的含有吡氟酰草胺、吡嘧磺隆的漂浮粒剂。
二、室内活性测定
试验方法：将定量的杂草种子（稗草、雨久花、野慈姑）分别播种于直径9cm的塑料钵中，每盆种子15～20粒，播种后覆土0.5～1cm左右，然后将不同药剂分别进行土壤处理。处理后放置温室中，第7天、第14天分别观察各处理的杂草出苗情况，并记录目测防效，在第21天进行调查杂草覆盖度，计算杂草株防效。（结果见表1）
三、田间药效试验：
供试药剂：实施例1、实施例2、实施例3、实施例4。
对照药剂：各实施例同成分的其他剂型产品。
供试作物：水稻田，龙粳31。
防治对象：前三年田间发生的主要杂草有稗草、稻稗、千金子、鸭舌草、泽泻、野慈姑、雨久花、异性莎草等。
施药方法：水稻移栽缓苗后，水层中已经有出土的杂草发生，稗草在1.5叶期，对照药剂拌土均匀撒施，实施例药剂直接均匀撒施。
试验调查：施药后7天调查作物的安全性同时目测杂草防效，施药后14天、21天调查杂草覆盖率，并计算杂草株防效。
观察药剂对水稻有无药害，记录药害的类型和程度。药害分级标准如下：
1级：水稻生长正常，无任何受害症状；
2级：水稻轻微药害，药害少于10％；
3级：水稻中等药害，以后能恢复，不影响产量；
4级：水稻药害较重，难以恢复，造成减产；
5级：水稻药害严重，不能恢复，造成明显减产或绝产。
试验结果：通过表1和表2可以看出，不同复配成分的漂浮粒剂组合均表现出了不同程度的增效作用，防除效果优于现有剂型产品，且对水稻安全，可以实现一次施药防除田间大部分杂草。特别提出的是漂浮粒剂避免了粉尘的污染问题，且施药时无需拌土，直接撒施，使用非常方便，同时节省了人力、时间以及成本，性价比高，是目前水稻田封闭处理的一种创新型高效安全环保剂型。
Claims (9)
1.一种先沉后浮自分散型漂浮粒剂，其特征是，所述漂浮粒剂的组分及各组分含量如下:
活性成分 0.5-50%
扩展剂 0.5-10%
分散剂 1-10%
润湿剂 0.5-5%
粘结剂 0.1-5%
崩解剂 5-20%
载体补足至 100%。
2.根据权利要求1所述的漂浮粒剂，其特征在于，所述农药有效成分为苯噻酰草胺、西草净、吡嘧磺隆、苄嘧磺隆、双唑草腈、双环磺草酮、吡氟酰草胺的任意一种或任意两种组合物或任意两种以上的组合物。
3.根据权利要求1所述的漂浮粒剂，其特征在于，所述的扩展剂选自十二烷基苯磺酸钠、PO-EO嵌段聚醚、聚氧硅烷、乙二醇苯醚、丙二醇二醋酸酯、软蜡、固体石蜡、氟化合物中的任意一种或任意两种组合物或任意两种以上的组合。
4.根据权利要求1所述的漂浮粒剂，其特征在于，所述的分散剂选自烷基硫酸盐、聚羧酸盐、聚氧乙烯基烷基芳基醚、烷基萘甲醛缩合物、木质素磺酸钠、亚甲基二萘磺酸钠、脂肪醇聚氧乙烯醚、烷基酚聚氧乙烯醚、烷基酚聚氧乙烯醚甲醛缩合物、烷基磺酸盐、烷基苯磺酸盐、烷基萘磺酸盐、聚丙烯酸聚合物中的一种或任意两种组合误或任意两种以上的组合。
5.根据权利要求1所述的漂浮粒剂，其特征在于，所述润湿剂选自十二烷基硫酸钠、快T、拉开粉、脂肪醇聚氧乙烯醚、烷基酚聚氧乙烯醚中的任意一种或任意两种组合物或任意两种以上的组合物。
6.根据权利要求1所述的漂浮粒剂，其特征在于，所述粘结剂选自聚乙烯醇、帖吨胶、聚丙烯酸钠、聚丙烯酸胺、***树胶、羧甲基纤维素钠、水溶性淀粉、海藻酸钠中的任意一种或任意两种组合物或任意两种以上的组合。
7.根据权利要求1所述的漂浮粒剂，其特征在于，所述崩解剂选自氯化钠、苯甲酸钠、硫酸铵、尿素、羧甲基淀粉钠、木质素、壳聚糖、聚氨酯、脲醛树脂中的任意一种或任意两种组合物或任意两种以上的组合。
8.根据权利要求1所述的漂浮粒剂，其特征在于，所述载体选自氯化钙、氯化钾、氯化钠、氯化镁、硼砂、硫酸钠、硫酸钾、硫酸镁、硫酸铵、碳酸钠、碳酸钾、碳酸镁、膨胀的蛭石、玻璃微珠、膨胀浮石、木屑、稻草桔梗、软木、硅藻土、烧结珍珠岩中的任意一种或任意两种组合物或任意两种以上的组合。
9.一种先沉后浮自分散型漂浮粒剂的制备方法，其特征在于，具体包括以下步骤：
（1）将农药活性成分，所述分散剂、润湿剂、崩解剂、粘结剂以及载体混合均匀，通过气流粉碎机进行超微粉碎，得到400目左右细粉；
（2）将步骤1中的细粉送入上方有喷雾装置的捏合机，搅拌物料的同时，将扩展剂以喷雾的形式使物料吸附，吸附完后以喷雾形式加入适量水，充分捏合得到湿物料；
（3）将步骤2所得湿物料转入旋转挤压造粒机进行挤压造粒，得到固体颗粒；
（4）将步骤3所得固体颗粒进行烘干、筛分，得到合格漂浮粒剂成品。
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| CN110692630A (zh) * | 2019-09-23 | 2020-01-17 | 南京高正农用化工有限公司 | 一种漂浮大粒剂用漂浮载体及其制备方法 |
| CN110692630B (zh) * | 2019-09-23 | 2021-05-07 | 南京高正农用化工有限公司 | 一种漂浮大粒剂用漂浮载体及其制备方法 |
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