CN103858878B - Preparation method of timed-released bird repellents special for electric power and high-speed rails - Google Patents
Preparation method of timed-released bird repellents special for electric power and high-speed rails Download PDFInfo
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Abstract
The invention discloses a preparation method of timed-released bird repellents special for electric power and high-speed rails. The preparation method comprises the following steps: firstly, dissolving musk-T, cinnamamide, 1-naphthol, bisphenol A, a preservative and an antifreeze agent into N-alkyl substituted acrylamide at certain weight parts, mixing and stirring to obtain uniform dispersion liquid; and secondly, adding a cross-linking agent and an initiator into the dispersion liquid in the step I, standing for polymerization cross-linking reaction for 0.5-24h at 0-60 DEG C. The low-toxicity bird repellent composition is in-situ embedded and uniformly implanted into a gel system in a polymerization cross-linking reaction process of the N-alkyl substituted acrylamide, and the preparation method solves the technical problems that the existing universal bird repellents have high cost, low efficiency and poor weather resistance.
Description
Technical field
The present invention relates to bird repellent technical field, particularly the long-acting slow release type bird repellent of a kind of electric power, high ferro special use, is a kind of its preparation method of the long-acting slow release type bird repellent gel based on N-alkyl-substituted acrylamide cross-linked polymer.
Background technology
Bird is the mankind's friend, and its existence has maintained the Biodiversity Characteristics of the earth.Yet thing followed negative effect is prevalent in field, the especially operations of electric power power transmission and transformation line and transformer station such as airport, agricultural, electric power.The acceleration of China's electric power, high ferro, airport construction in recent years, birds seem particularly outstanding to the impact of each field safe operation.If do not injured on the basis of birds life, making birds can leave safely its original playground is one of the important topic in animal repellent technical research field.
Traditional bird technology of driving comprises from physical method and chemical method drives birds, such as the audio unit of large decibel, placement scarecrow, reflection paillette etc. is to utilize the stimulation of acoustics, optics to reach effect on driving birds, or use agricultural chemicals and the chemical reagent with certain toxicity to be sprayed in specific region, also can directly sneak in feed and make the edible rear generation toxic reaction of birds reach effect on driving birds.But this class chemical method has threatened existence and the breeding of birds, is unfavorable for the protection of rare wild bird class.
In recent years, engender the bird repellent product of low toxicity type both at home and abroad, but its formulation mainly be take granular pattern, powder-type, water aqua type as main, as weather such as rainwater, strong wind, thereby drive bird composition, easily run off its effect on driving birds is reduced greatly, even lost efficacy.
The at present existing larger improvement of bird repellent, as Chinese patent (application number: 201310314974.2) disclose a kind of emulsion-type bird repellent and its production and use, this emulsion-type bird repellent, comprise and drive bird spices, organic solvent, carbomer resin, pure water, stabilizing agent, antioxidant and the formed composition of emulsifier, and just overcome to a certain extent emulsification difficulty, driven the problem that bird timeliness is short, use cost is high in conjunction with Preparation Method And The Use, thoroughly do not solve described problem.Chinese patent (application number: 20131001828.3) provide a kind of efficient, low-toxicity compound bird repellent that contains tmtd and repefral and for example, composite bird repellent, in its formula, comprise active component tmtd and repefral, wherein the mass ratio of tmtd and repefral is 4:1-1:20.The composite bird repellent of this invention all has good repellent effect to bird, between two medicaments, there is notable synergistic effect, birds are not had to direct killing, low to the mankind and other mammalian toxicity, there is the lasting period relatively long, to crop safety, can effectively reduce the harm of birds to field crop, orchard etc.But it is large also thoroughly not solve bird repellent bird repellent consumption, and the input cycle shortens, the problem that cost is higher.
Also do not have at present bird repellent active ingredient to be fixed in a certain stable carrier, can make to drive the product that bird composition can discharge uniformly simultaneously; Can solve again existing versatility and drive the technical problem that bird product cost is high, efficiency is low, weather resistance is poor simultaneously.
Summary of the invention
The preparation method who the object of this invention is to provide a kind of long-acting slow release type bird repellent gel based on N-alkyl-substituted acrylamide cross-linked polymer, by by hypotoxic bird repellent composition in the embedding of N-alkyl-substituted acrylamide cross-linking polymerization process situ equably in implanted gel system, thereby realize the immobilization of driving bird composition.Meanwhile, utilizing Jie of polymer gel to see microcellular structure slowly discharges and drives bird active ingredient in process under arms.Solve existing versatility simultaneously and drive the technical problem that bird product cost is high, efficiency is low, weather resistance is poor.
The present invention realizes the technical scheme that foregoing invention object adopts:
A preparation method for the long-acting slow release type bird repellent of electric power, high ferro special use, adopts following method step:
1) by weight by Moschus-T, 1-6 part; Cinnamamide, 0.5-20 part; 1-naphthols, 0.5-5 part; Bisphenol-A, 0.25-2 part; Preservative, 0.01-1 part; Antifreeze, 0.5-2 part; Being dissolved in weight portion is in the N-alkyl-substituted acrylamide of 25-60, after mixing, stirs and obtains uniform dispersion;
2) to the crosslinking agent that adds weight portion 1-20 part in the dispersion liquid of described step 1); The initator of 0.5-3 part, in 0 ℃ of-60 ℃ of temperature range, standing polymerization crosslinking reaction 0.5-24h, obtains.
Preferably, for strengthening in short-term effect on driving birds; It is 0.01-5 part Methyl Benzene-o-dicarboxylate and Moschus-T that described step 1) adds weight portion, cinnamamide, and 1-naphthols, bisphenol-A, preservative, antifreeze is dissolved in N-alkyl-substituted acrylamide, after mixing, stirs and obtains uniform dispersion.
Preferably, for reacting fast and stable more, described in step 2) in standing polymerization crosslinking reaction 0.5-24h in 45-60 ℃ of temperature range.
Preferably, for guaranteeing to drive preservative described in the stability of bird composition, be one or both in benzoic acid and nipagin A.
Preferably, for guaranteeing that the antifreeze described in the result of use under harsh climate is ethylene glycol.
Preferably, for the N-alkyl-substituted acrylamide described in accurate control gel structure is N-ethyl acrylamide, N-n-pro-pyl acrylamide, N,N-DMAA, one or more in NIPA.
Preferably, for the crosslinking agent described in further increase crosslink density is N, N '-methylene-bisacrylamide.
Preferably, for the initator described in optimization cross-linking reaction time is one or more in ammonium persulfate, hydrogen peroxide, sodium pyrosulfate and tetramethylethylenediamine.
The beneficial effect of the long-acting slow release type bird repellent of electric power prepared by the present invention, high ferro special use is:
1, the low toxicity bird driving composition with nerve stimulation is embedded in to gel rubber material inside, by gel pore, slowly discharges.By adjusting gel preparation technology, can realize the controlled of its multi-cellular structure and size, thereby it is adjustable to make to drive the volatilization rate of release of bird composition, meets the needs in electric power, high ferro field.
2, the electric power that prepared by the present invention, the long-acting slow release type bird repellent of high ferro special use, the bird component of driving is wherein poisoned littlely to animals and plants, birds suck and drive after bird composition volatile matter, produce the reaction of hypersensitivity apocleisis, form region and hide reflexive memory, minimum to birds injury.Attached gel slowly releasing effect, effect on driving birds timeliness can reach more than 9 months.
3, the electric power that prepared by the present invention, the long-acting slow release type bird repellent of high ferro special use, raw material is easy to get, with low cost, and technique is simple; Preparation feedback process can complete at normal temperatures, and the long-acting slow release type bird repellent of preparing due to the present invention is polymer gel type product, and site operation is easy, greatly saves construction cost.
Electric power prepared by the present invention, high ferro long-acting special spacetabs type bird repellent polymer gel have that effect on driving birds is good, the feature of good weatherability, dimensionally stable, long service life; While especially applying on electrical network, be not subject to excess Temperature to melt bird repellent gel; Solve bird repellent and generally used the easy problem of melting of gel that butter, butyl ester are carrier, and used butter, butyl ester can produce the drawback of contaminated environment and corrosion electrical network.
Embodiment
Following examples are further illustrated content of the present invention, but be not used in, limit the scope of the invention.
The preparation of 1 one kinds of electric power of embodiment, high ferro long-acting special spacetabs type bird repellent
In 100mL beaker, add 25g N-ethyl acrylamide, 1.5g Moschus-T, 4.5g cinnamamide, 1g1-naphthols, 0.5g bisphenol-A, 0.05g methyl hydroxybenzoate, 0.5g ethylene glycol, stirs 30min under 30 ℃ of water bath condition, adds subsequently 1g ammonium persulfate, 12g N, N '-methylene-bisacrylamide, after standing 12h, obtains having the colorless transparent gel of good mechanical strength after stirring.
The preparation of 2 one kinds of electric power of embodiment, high ferro long-acting special spacetabs type bird repellent
At 1000mL, be equipped with in the glass reaction still of mechanical agitation, thermometer, reflux condensing tube and nitrogen gatherer, add 300g N-n-pro-pyl acrylamide, 20g Moschus-T, 70g cinnamamide, 10g1-naphthols, 7.5g bisphenol-A, 0.5g methyl hydroxybenzoate, 10g ethylene glycol, under 60 ℃ of water bath condition, stir 10min, add subsequently 5g ammonium persulfate, 90g N, N '-methylene-bisacrylamide, after stirring 5min rapidly, stop, after standing 30min, obtain having certain faint yellow colorless transparent gel, again open and stir rear gel fragmentation.Products therefrom can be sprinkled upon earth's surface and use, and effect on driving birds reaches more than 9 months.
The preparation of 3 one kinds of electric power of embodiment, high ferro long-acting special spacetabs type bird repellent
In being equipped with the enamel reaction still of electric heating oil bath chuck, mechanical agitation, thermometer, reflux condensing tube and nitrogen gatherer, 5L adds 1500g NIPA, 100g Moschus-T, 350g cinnamamide, 50g1-naphthols, 30g bisphenol-A, 2.5g methyl hydroxybenzoate, 50g ethylene glycol, under 50 ℃ of oil bath conditions, stir 10min, subsequently, 400g N, N '-methylene-bisacrylamide, stir after 5min rapidly, be cooled to 25 ℃ after discharging obtain yellow liquid barrelling.Before construction, 25g hydrogen peroxide is joined in yellow liquid to hand operated mixing even, in 1h, be coated on exterior wall, crosslinked 24h under room temperature, surface of wall forms light yellow gel layer, and effect on driving birds can maintain and reach more than 9 months.
The preparation of 4 one kinds of electric power of embodiment, high ferro long-acting special spacetabs type bird repellent
In 100mL beaker, add 25g N,N-DMAA, 1.5g Moschus-T, 4.5g cinnamamide, 1g1-naphthols, 5g Methyl Benzene-o-dicarboxylate, 0.5g bisphenol-A, 0.05g methyl hydroxybenzoate, 0.5g ethylene glycol, stirs 40min under 25 ℃ of water bath condition, adds subsequently 1g hydrogen peroxide, 12gN, N '-methylene-bisacrylamide, after standing 12h, obtains having the colorless transparent gel of good mechanical strength after stirring.
The preparation of 5 one kinds of electric power of embodiment, high ferro long-acting special spacetabs type bird repellent
At 1000mL, mechanical agitation is housed, thermometer, in the glass reaction still of reflux condensing tube and nitrogen gatherer, add 75g N-ethyl acrylamide, 75g N-n-pro-pyl acrylamide, 75g N, N-DMAA, 75g NIPA, 15g Moschus-T, 75g cinnamamide, 10g1-naphthols, 7.5g bisphenol-A, 0.5g benzoic acid, 10g ethylene glycol, under 60 ℃ of water bath condition, stir 10min, add subsequently 5g sodium pyrosulfate, 90g N, N '-methylene-bisacrylamide, after stirring 5min rapidly, stop, after standing 30min, obtain having certain faint yellow colorless transparent gel, again open and stir rear gel fragmentation.Products therefrom can be sprinkled upon earth's surface and use, and effect on driving birds reaches more than 9 months.
The preparation of 6 one kinds of electric power of embodiment, high ferro long-acting special spacetabs type bird repellent
In being equipped with the enamel reaction still of electric heating oil bath chuck, mechanical agitation, thermometer, reflux condensing tube and nitrogen gatherer, 5L adds 1000g NIPA, 500g N-n-pro-pyl acrylamide, 100g Moschus-T, 350g cinnamamide, 50g1-naphthols, 30g bisphenol-A, 2.5g methyl hydroxybenzoate, 50g ethylene glycol, stirs 10min under 45 ℃ of oil bath conditions, subsequently, 400g N, N '-methylene-bisacrylamide, stirs rapidly after 5min, be cooled to 25 ℃ after discharging obtain yellow liquid barrelling.Before construction, by 15g hydrogen peroxide, 10g tetramethylethylenediamine joins in yellow liquid, and hand operated mixing is even, in 1h, be coated on exterior wall, and crosslinked 24h under room temperature, surface of wall forms light yellow gel layer, and effect on driving birds can maintain and reach more than 9 months.
Test example 1
The bird repellent test that Handan, Hebei power office makes described embodiment 5 is implemented on electrical network, and summer temp is more than 90 ℃, and product does not melt distortion, and effect on driving birds continues 1 year.
Test example 2
2012, at Zhengzhou, henan, to Xi'an high ferro special line Zhengzhou section, select at random the bird repellent application that several sections of 20 kilometers of circuits make described embodiment 6 to test enforcement, respond well, there is not any traffic safety accident that bird pest causes in test circuit in 1 year; Near the random high railway division of selecting, have no birds activity.
Claims (7)
1. a preparation method for the long-acting slow release type bird repellent of electric power, high ferro special use, adopts following method step:
1) by weight by Moschus-T, 1-6 part; Cinnamamide, 0.5-20 part; 1-naphthols, 0.5-5 part; Bisphenol-A, 0.25-2 part; Preservative, 0.01-1 part; Antifreeze, 0.5-2 part; Being dissolved in weight portion is in the N-alkyl-substituted acrylamide of 25-60, after mixing, stirs and obtains uniform dispersion;
2) to described step 1) dispersion liquid in add weight portion 1-20 part crosslinking agent; The initator of 0.5-3 part, in 0 ℃ of-60 ℃ of temperature range, standing polymerization crosslinking reaction 0.5-24h, obtains.
2. the preparation method of the long-acting slow release type bird repellent of electric power as claimed in claim 1, high ferro special use, it is characterized in that: described step 2) to described step 1) dispersion liquid in add crosslinking agent, initator, in 45-60 ℃ of temperature range, standing polymerization crosslinking reaction 0.5-24h, obtains.
3. the preparation method of the long-acting slow release type bird repellent of electric power as claimed in claim 1, high ferro special use, is characterized in that: described preservative is one or both in benzoic acid and nipagin A.
4. the preparation method of the long-acting slow release type bird repellent of electric power as claimed in claim 1, high ferro special use, is characterized in that: described antifreeze is ethylene glycol.
5. the preparation method of the long-acting slow release type bird repellent of electric power as claimed in claim 1, high ferro special use, it is characterized in that: described N-alkyl-substituted acrylamide is N-ethyl acrylamide, N-n-pro-pyl acrylamide, N, N-DMAA, one or more in NIPA.
6. the preparation method of the long-acting slow release type bird repellent of electric power as claimed in claim 1, high ferro special use, is characterized in that: described crosslinking agent is N, N '-methylene-bisacrylamide.
7. the preparation method of the long-acting slow release type bird repellent of electric power as claimed in claim 1, high ferro special use, is characterized in that: described initator is one or more in ammonium persulfate, hydrogen peroxide, sodium pyrosulfate and tetramethylethylenediamine.
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| CN105284797A (en) * | 2014-07-14 | 2016-02-03 | 国家电网公司 | Preparation method for micro-capsulate type sustained-release bird repellent mixture |
| CN108148456A (en) * | 2016-12-02 | 2018-06-12 | 赵中华 | Bird repellent method in the installation of 10 kv customer electrical engineering of distribution |
| CN109169658A (en) * | 2018-08-29 | 2019-01-11 | 西安高科理化技术有限责任公司 | A kind of gel-type sustained release bird repellent and preparation method thereof |
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| CN103548864A (en) * | 2012-08-27 | 2014-02-05 | 安徽爱戈德生物科技有限公司 | Bird repellent composition, solid preparations and preparation method thereof |
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| JPH0578219A (en) * | 1991-05-15 | 1993-03-30 | Nippon Sanso Kk | Repellent for birds and beasts |
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| CN103548864A (en) * | 2012-08-27 | 2014-02-05 | 安徽爱戈德生物科技有限公司 | Bird repellent composition, solid preparations and preparation method thereof |
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