CN1241358A - Copper resinate bactericidal acaricide and preparation method thereof - Google Patents

Copper resinate bactericidal acaricide and preparation method thereof Download PDF

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Publication number
CN1241358A
CN1241358A CN 99114686 CN99114686A CN1241358A CN 1241358 A CN1241358 A CN 1241358A CN 99114686 CN99114686 CN 99114686 CN 99114686 A CN99114686 A CN 99114686A CN 1241358 A CN1241358 A CN 1241358A
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copper
acaricide
rosin
germicidal
preparation
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CN 99114686
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Chinese (zh)
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胡功卓
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Individual
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Individual
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Priority to CN 99114686 priority Critical patent/CN1241358A/en
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Abstract

The invention discloses a copper resinate bactericidal acaricide and a preparation method thereof. It uses special rosin, KOH (or NaOH), soluble copper salt and organic solvent as raw materials, and makes them react under the condition of heating, and adopts centrifugal machine and oil-water separator to separate crude oil, and makes them pass through the processes of emulsification so as to obtain the copper resinate bactericidal acaricide. The production method has the advantages of low production cost, high product yield, less three wastes, extremely high adhesion of the prepared product and no phytotoxicity when used in an effective range. The product of the invention has excellent performance and special effects on bacterial leaf streak of rice, vegetable soft rot, soft rot and the like. And not only does not induce the damage of mites, but also has higher acaricidal effect.

Description

Copper resinate germicidal acaricide and preparation method thereof
The invention belongs to organic compound biocide technical field, relate in particular to copper resinate germicidal acaricide and preparation method thereof.
In agricultural production, the copper series bactericidal agent is owing to there is the advantage that does not develop immunity to drugs with fungicidal spectrum is wide, drug effect is high, flourishing long time always for many years, proportion maximum in bactericide, kind also constantly increases, be use bordeaux mixture in 1882 the earliest, then use multiple inorganic copper agent, as Kocide SD, copper oxychloride, cuprous oxide etc.But inorganic copper agent is used in the conduct of copper sensitivity such as peach, Lee, pears, persimmon, melon etc. as last easy generation poisoning, and brings out easily that the mite class is rampant to be taken place.And the poisoning of organic copper preparation is less relatively, and the degree of bringing out the harm of mite class is also less.As the Copoloid of development U.S. Tennessee company sixties (Tc-90[Farm Chemicals, 127, NO.6,62 (1964)]) on these two kinds of performances just better.But it exists following problem again: 1, product instability, its composition are the mixture of multiple copper abietinate and copper oleate, and the easy oxidation deterioration of copper abietinate, product are buied property for a long time and given birth to precipitation.2, copper oleate mixes in wherein making product adhesion decline; Though 3, its poisoning is more much lower than inorganic copper, still has poisoning, this makes this product fail to promote and comes.Publication number is that the organic copper agent used as bactericide and acaricide of CN1176740A has then overcome above-mentioned shortcoming more effectively.But this product still has following deficiency on the preparation method, 1, raw materials used single, and preparation cost is higher; 2, separating method is original, and yield is lower, and substantial oil is sneaked in the waste water and dregs.3, reaction at normal temperatures and pressures, the reaction time is long, and not thorough; 4, the product emulsifying effectiveness is relatively poor.
The object of the present invention is to provide raw material extensively to reach and produce the product yield height, production cost is low, the preparation method of the preparation copper resinate germicidal acaricide that the three wastes are few.
Another object of the present invention is to be to provide bactericidal property superior, and multiple diseases such as bacterial leaf streak of rice, vegetables pythium rot, soft rot are had special efficacy, and product adhesion is high, and drug residue is low, and the copper resinate germicidal acaricide of miticidal effect is arranged.
Copper resinate germicidal acaricide of the present invention is made up of following weight proportion:
Copper resinate 10-30%
Organic solvent 60-83%
Emulsifier 5-10%
Auxiliary agent 0-2%
The preparation method of copper resinate germicidal acaricide of the present invention is as follows: with extraordinary rosin, KOH or NaoH is raw material, under heating condition, make the two reaction, the insulation certain hour is a raw material with aforementioned product and soluble copper salt, organic solvent again, the three is mixed stirring, under heating condition, react copper resinate crude oil and waste water and dregs, adopt centrifuge and oil water separator to isolate copper resinate crude oil, the copper resinate crude oil dropping emulsifier and the solvent that separate the back gained are carried out emulsification, get copper resinate germicidal acaricide at last.
The preparation method of copper resinate germicidal acaricide of the present invention, its raw material is made up of following weight proportion:
Extraordinary rosin 18-32%
KOH or NaiH 1.8-10%
Soluble copper salt 1.1-2.0%
Organic solvent 60-70%
Emulsifier is an amount of
Wherein preferred version is: extraordinary rosin 23%
Organic solvent 70% KOH (or NaoH) 5%
Soluble copper salt 1.1%
Emulsifier 6%
Extraordinary rosin refers to wood rosin, hydrogenated rosin, vinsol, polymerized rosin, maleated rosin, disproportionated rosin.
Soluble copper salt is mainly copper sulphate, copper nitrate, copper chloride.
Organic solvent is: diesel oil, machine oil, industrial naptha, turpentine oil, toluene, dimethylbenzene, styrene, cyclohexanone, MEK, glycerine.
The preparation method of copper resinate germicidal acaricide of the present invention is owing to be to react under heating condition, so the reaction time reduces, product yield improves, and simultaneously raw materials used is extraordinary rosin, and production cost is reduced greatly.Adopt centrifuge to separate and separate with oil water separator, make and separate thoroughly, three refuses reduce.The copper resinate germicidal acaricide superior performance that adopts preparation method of the present invention to make, bacterial leaf streak of rice, vegetables pythium rot, soft rot, citrus carbon jaundice disease, canker etc. there is remarkable result, product adhesion is high, result of use is constant half an hour behind the rain before the rain, drug residue is lower than the existing copper series bactericidal agent, in prescribed limit, use no any poisoning, also can use at flowering phase of crop; As other copper bactericide the harm of mite class not taking place, has higher miticidal effect on the contrary.
Below in conjunction with specific embodiment the present invention is described in detail:
To produce hydrogenated resin acid copper agent used as bactericide and acaricide 370g is example:
Get hydrogenated rosin 150g, 33%KOH aqueous solution 90g adds conical flask with hydrogenated rosin and is heated to fusion, open agitation and dropping KOH solution, be heated to 106 ℃, be incubated 1 hour, with previous reaction product and 40% copper-bath 237g, diesel oil 230g mixes, and adds in the conical flask, is heated with stirring to 80 ℃, be incubated after two hours, make the copper resinate mixture, adopt centrifuge to separate in this mixture, liquid phase changes the profit height separator over to, separate copper resinate crude oil 340g, the copper resinate crude oil that makes is added emulsifier " 8203 " 30g, promptly get hydrogenated resin acid copper agent used as bactericide and acaricide 370g, product yield 90% through emulsification.

Claims (8)

1, copper resinate germicidal acaricide, it is as follows that it forms proportioning: (by weight)
Copper resinate 10-30%, organic solvent 60-83%,
Emulsifier 5-10%, auxiliary agent 0-2%
2, copper resinate germicidal acaricide preparation method, be to be raw material with extraordinary rosin, KOH or NaoH, soluble copper salt, organic solvent and emulsifier, earlier extraordinary rosin and KOH or NaoH are reacted under heating condition, then aforementioned reactants is mixed with soluble copper salt and organic solvent, stir, reaction generates copper resinate crude oil and waste material under heating condition, separating obtained copper resinate crude oil dropping emulsifier and solvent are carried out emulsification, promptly make copper resinate germicidal acaricide of the present invention.
3, the preparation method of copper resinate germicidal acaricide according to claim 2 is characterized in that, described raw material weight proportioning is:
Extraordinary rosin 18-32%, soluble copper salt 1.1-2.0%
Organic solvent 60-70%, KOH (or NaoH) 1.8-10%
Emulsifier is an amount of, auxiliary agent 0-2%
4, the preparation method of copper resinate germicidal acaricide according to claim 2 is characterized in that: extraordinary rosin is wood rosin, disproportionated rosin, hydrogenated rosin, vinsol, polymerized rosin, maleated rosin.
5, the preparation method of copper resinate germicidal acaricide according to claim 2, wherein said organic solvent is diesel oil, machine oil, industrial naptha, turpentine oil, toluene, dimethylbenzene, styrene, cyclohexanone, MEK, glycerine.
6, copper resinate germicidal acaricide preparation method according to claim 2, it is characterized in that: the heating-up temperature of described extraordinary rosin and KOH or NaoH reaction is 80 ℃~240 ℃, and aforementioned reactants and soluble copper salt, organic solvent reaction temperature are 40 ℃~120 ℃.
7, the preparation method of copper resinate germicidal acaricide according to claim 2 is characterized in that: copper resinate crude oil separated with oil water separator with separating by centrifuge of waste water and dregs.
8, the preparation method of copper resinate germicidal acaricide according to claim 2 is characterized in that: described aforementioned reactants and soluble copper salt, organic solvent heating reaction time are 2-4 hour.
CN 99114686 1999-02-16 1999-02-16 Copper resinate bactericidal acaricide and preparation method thereof Pending CN1241358A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 99114686 CN1241358A (en) 1999-02-16 1999-02-16 Copper resinate bactericidal acaricide and preparation method thereof

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Application Number Priority Date Filing Date Title
CN 99114686 CN1241358A (en) 1999-02-16 1999-02-16 Copper resinate bactericidal acaricide and preparation method thereof

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CN1241358A true CN1241358A (en) 2000-01-19

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101935275A (en) * 2009-06-29 2011-01-05 孔波 Preparation method and application of gum rosin acid copper
CN103497101A (en) * 2013-10-11 2014-01-08 广东植物龙生物技术有限公司 Preparation method and application of resin acid copper salt synthesized by aqueous phase process
CN104478705A (en) * 2014-11-11 2015-04-01 柳州市惠农化工有限公司 Copper abietate raw drug and preparation method and application thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101935275A (en) * 2009-06-29 2011-01-05 孔波 Preparation method and application of gum rosin acid copper
CN103497101A (en) * 2013-10-11 2014-01-08 广东植物龙生物技术有限公司 Preparation method and application of resin acid copper salt synthesized by aqueous phase process
CN104478705A (en) * 2014-11-11 2015-04-01 柳州市惠农化工有限公司 Copper abietate raw drug and preparation method and application thereof
CN104478705B (en) * 2014-11-11 2016-04-27 柳州市惠农化工有限公司 The former medicine of a kind of copper rosinate, preparation method and application

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