CN1303600A - Bait agent for controlling termite - Google Patents
Bait agent for controlling termite Download PDFInfo
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- CN1303600A CN1303600A CN 00100115 CN00100115A CN1303600A CN 1303600 A CN1303600 A CN 1303600A CN 00100115 CN00100115 CN 00100115 CN 00100115 A CN00100115 A CN 00100115A CN 1303600 A CN1303600 A CN 1303600A
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- termite
- attractant
- agent
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Abstract
The present invention relates to a bait agent for preventing and treating termite, and its preparation method. It contains attractant base material enjoyed by termite, and adopts the following steps: soaking said base material in sodium molybdate and sodium tungstate aqeous solution, drying to make water content be below 15%, adding phenolic polymer adhesive or urea-formaldehyde polymer adhesive, which contains no excess free formaldehyde and whose weight is 5-20% of total weight of said bait agent, then heating, pressing and forming so as to obtain the invented product. In the course of preparing phenolic polymer adhesive, the reaction mole ratio of formaldehyde to phenol is 0.7-10 times the oretical quantity, preferable, heating condition is 130-200 deg.C and heating time is 6-30 min., and when preparing urea-formaldehyde polymer adhesive the reaction mole ratio of formaldehyde to urea is 0.6-0.9 time theoretical quantity, its heating condition is 100-150 deg.C and heating time is 3-20 min. Said invention can obtain excellent control effect.
Description
The present invention is relevant with the improvement of the bait agent for controlling termite that contains molybdic acid and wolframic acid mineral salt.
Sting food timber in recent years, the harm that destruction dykes and dams etc. are caused by termite is on the rise.Particularly the harm to dykes and dams that causes because of termite causes that more people pay attention to.
For control termites harm, till recently, people still take to use the insect protected medicament or use the method for attractant at timber and surrounding soil, and insect-proof agent uses organochlorine insecticideses such as Niran, dieldrin, mirex mostly.But these insecticidal constituents all have problems at aspects such as residual, toxicity, excitant and environmental pollutions, and therefore, the new medicament of exploitation high-efficiency low-toxicity becomes the task of top priority.
Molybdenum and tungsten have selection toxicity to termite, compare with metals such as chromium, have very big safety, so have practical value as the wood preservation from decay agent, but water miscible molybdenum, tungsten compound have influenced its control efficiency because of active ingredient runs off easily when reality is used when using separately.
Therefore, the inventor is added to a kind of aqueous solution of mineral salt in the aqueous solution of water miscible molybdic acid and wolframic acid alkali metal salt, be used as the control termites attractant and invented the molybdic acid and the wolframic acid mineral salt that are insoluble in water, apply for and obtained patent (ZL 93 1 18719.2).This attractant can not cause the loss of active ingredient yet and greatly improve practicality in outdoor application.But still have improvement leeway owing to manufacturing process is comparatively complicated.
For this reason, the inventor has improved above-mentioned attractant.With the mixture high polymer binder adhesive solidification that termite is not had repellent action of the base material of attractant and water-soluble molybdenum, tungsten compound, and finished (971 16506.8) patent application of on Gazette of Patent for Invention, having been announced.This method will water miscible molybdenum, tungsten compound is converted into the compound that is insoluble in water, so make easy, because be to use termite is not had the attractant that the isocyanates high polymer binder of repellent action is made, its active ingredient is difficult for running off, and termite is demonstrated very high preventive and therapeutic effect.The inventor once pointed out if use phenolic or urine aldehydes high polymer binder, because termite is had repellent action, so do not reach desirable control efficiency in this patent application.
But see that from economic angles such as the price of high polymer binder, market supply situations phenolic or urine aldehydes high polymer binder are the high polymer binders that relatively is fit to.Analyze for a long time through the inventor, contrast, screening, researchs such as animal experiment, be surprised to find that and in preceding note patent gazette (97 1 16506.8), think the phenolic aldehyde that is not suitable for using and urine aldehyde high polymer binder, be termite to be had repellent action because wherein contain as the removing residue formaldehyde impurity of raw material, phenolic aldehyde does not have repellent action with urine aldehyde high polymer binder itself to termite, therefore need not carry out complicated improvement to phenolic aldehyde and urine aldehyde high polymer binder itself, as long as in manufacture process, do not make the free formaldehyde that contains excessive residual in the product binding agent simply, will be surprised to find that termite is not had repellent action, still can obtain the effective bait agent for controlling termite consistent, thereby finish the present invention with the object of the invention.
Promptly, the present invention is that the attractant of eating with the termite happiness is a base material, aqueous solution impregnation base material with sodium molybdate and sodium tungstate, and be dried to moisture below 15%, add the phenolic that does not contain excessive free formaldehyde or the urine aldehydes high polymer binder that account for attractant gross weight 5～20% weight subsequently, the bait agent for controlling termite that heating pressurized conditions compacted under forms.
Bait agent for controlling termite of the present invention, the attractant base material that comprises termite happiness food, water-soluble molybdate and tungstates contain and are dipped in the base material, it is characterized in that also containing the phenolic high polymer binder and/or the urine aldehydes high polymer binder that account for attractant gross weight 5～20% weight, the amount of residual free formaldehyde in making adhesive process contained in the binding agent should be 0 as far as possible, mostly is most less than the amount that termite is had repellent action.
Above-mentioned bait agent for controlling termite of the present invention is characterized in that also containing methanal trapping agent.
Above-mentioned bait agent for controlling termite of the present invention is characterized in that methanal trapping agent is amine, urea class, melamine compounds.
Make the method for bait agent for controlling termite of the present invention, water-soluble molybdate and tungstates are contained be dipped in the attractant base material of termite happiness food, and be dried to moisture below 15%, sneak into the phenolic and/or the urine aldehydes high polymer binder that account for attractant gross weight 5～20% weight subsequently, at heating pressurized conditions compacted under bait agent for controlling termite, it is characterized in that the amount of residual free formaldehyde in making adhesive process contained in the binding agent should be 0 as far as possible, mostly be most less than the amount that termite is had repellent action.
The method of above-mentioned manufacturing bait agent for controlling termite of the present invention is characterized in that methanal trapping agent is added in the attractant.The method of above-mentioned manufacturing bait agent for controlling termite of the present invention is characterized in that methanal trapping agent can add, and also can add when making attractant when making high polymer binder.
The method of above-mentioned manufacturing bait agent for controlling termite of the present invention, it is characterized in that in the step of making the phenolic high polymer binder, formaldehyde is for the reaction mol ratio of phenol 0.7～1.0 times of theoretical amount preferably, and heating condition is 130～200 ℃, and be 6～30 minutes heat time heating time.
The method of above-mentioned manufacturing bait agent for controlling termite of the present invention, it is characterized in that in the step of making urine aldehydes high polymer binder, formaldehyde is 0.6～0.9 times of theoretical amount for the reaction mol ratio of urea, and heating condition is 100 ℃～150 ℃, and be 3～20 minutes heat time heating time.
The method of above-mentioned manufacturing bait agent for controlling termite of the present invention by adjusting temperature and pressure, is adjusted into 0.4～0.9 with the proportion of attractant when it is characterized in that the attractant moulding.
Water-soluble sodium molybdate, sodium tungstate molecular formula that the present invention uses are as follows, and numeral thereafter is the literature value (g/100ml) of solvability in the water.
Sodium molybdate: Na
2MoO
42H
2O; (39.4 28 ℃)
Sodium tungstate: Na
2WO
42H
2O; (57.6 0 ℃)
The content of sodium molybdate and sodium tungstate is not done special provision in the attractant, but molybdenum, tungsten metallic atom content each is the most suitable with 1～10% percentage by weight that accounts for the attractant gross weight.In addition, sodium molybdate and sodium tungstate proportion of composing, from both effect synergistic effects, molybdenum and tungsten proportion of composing are with 75～15: 25～85 scopes are good.
In the present invention, when the attractant of modulation termite happiness food, eucalyptus skin from various termite happiness such as odontoterme, reticulitermes flavipe food, at least select in bagasse and the Korean pine wood a kind ofly to use as the attractant base material, only otherwise influence the food of having a liking for of termite, other base material such as various starch or sensu lato vegetalitas powder all can be used.Starch refers to cereals, the processed goods of sugar content more than 50%, for example: wheat flour, corn flour, oatmeal, wheat skin, sweet potato starch, corn starch, wheaten starch, beet sugar, taro starch, alphalise starch etc.
The present invention's termite control has following characteristics with attractant, be about to contain the base material that is soaked with the sodium molybdate and the sodium tungstate aqueous solution and be dried to moisture below 15%, add the phenolic that does not contain excessive free formaldehyde or the urine aldehydes high polymer binder that account for attractant gross weight 5～20% weight then, heating pressurized conditions compacted under forms.If in phenolic or urine aldehydes high polymer binder, contain free formaldehyde, can express anti-repelling properties to termite, the binding agent that the present invention adopts does not all contain excessive free formaldehyde.
In order to make note phenolic high polymer binder, formaldehyde is for the reaction mol ratio of phenol 0.7～1.0 times of theoretical amount preferably, and heating condition is with 130～200 ℃, and be divided into 6 minutes～30 heat time heating time.And when making urine aldehydes high polymer binder, formaldehyde is 0.6～0.9 times of theoretical amount for the reaction mol ratio of urea, and heating condition is with 100 ℃～150 ℃, and be divided into heat time heating time 3 minutes～20.Not contain free formaldehyde in the product in order making really, can to use methanal trapping agent yet.General trapping agent is amine, urea class, melamine compounds, can also can add when making attractant when making high polymer binder.
Usually, formaldehyde is for the low more amount that can suppress free formaldehyde more of reaction mol ratio of phenol or urine aldehyde, but the attractant that makes is met the easy deliquescence distortion of the water capacity and active ingredient is run off.The present invention uses the high polymer binder made from optimum reaction mol ratio, and remove free formaldehyde really, thereby make phenolic and urine aldehydes high polymer binder might be used in the manufacturing of bait agent for controlling termite with the heating pressurized treatments and the method for adding methanal trapping agent.
In addition, the addition of phenolic or urine aldehydes high polymer binder is to be essential more than 5% weight of attractant gross weight, can protect active ingredient can not run off.As surpassing 20% no corresponding sharp point.As long as conform to, also can be used with high polymer binder such as other types such as melamine class, isocyanates with purpose of the present invention.
In addition, in the present invention, add high polymer binder after, can also the high-temperature vapor pressurized treatments so that the attractant moulding.According to reported in literature, the attractant base material promotes cellulose to decompose through the high-temperature vapour pressurized treatments, makes termite like food more, thereby strengthens the control efficiency of attractant.In addition, the temperature during the attractant moulding and pressure is according to employed high polymer binder and different (to the suitableeest heating condition of several different high polymer binders as previously mentioned), and it is the suitableeest during the attractant moulding proportion to be adjusted into its hardness of 0.4～0.9 degree.
Attractant of the present invention is in manufacturing process, can use various solid carriers, liquid-carrier in right amount, perhaps Organic Chemicals, for example, in order to make high polymer binder dissolving or emulsification, can use liquid-carrier or dispersants such as acetone, alcohols, ester class as required.
For the drug effect that makes attractant of the present invention can effectively be brought into play, except can be with various termite decoys composite, can also mix various other insecticides, preservative, mould inhibitor, pigment etc. in right amount, to obtain various useful, many purposes constituents.
Make attractant and be that (molybdenum and tungsten are with 75～15: 25～85 ratio) with spraying or the impregnating method is evenly mixed with the attractant base material with the aqueous solution of sodium molybdate, sodium tungstate.Be dried to moisture then below 15%, add with behind the solvent dilution termite not being had the high polymer binder of anti-repelling properties again, heating pressurized conditions compacted under promptly obtains bait agent for controlling termite of the present invention behind 3 days natural air dryings.The attractant that makes in order to the top method not only has fabulous control efficiency to termite, and because use polymeric hardener, can be not loose so expose to the sun and rain when using in the open air yet, and active ingredient is difficult for loss, thereby great practicality is arranged.Attractant of the present invention can be made into bulk, stake shape, tabular etc., according to selecting arbitrarily the application place, can be positioned on the following or soil around the house on floor in household house or bury be used for anti-termite, the reticulitermes flavipe of dwelling of managing a household among soil; Also can be embedded in dykes and dams and on every side in the soil, to prevent and treat the dwell harm of termite of soil.
Molybdenum and tungsten compound relatively have late effect property and do not have anti-repelling properties with general insecticide the effect of termite.Therefore, attractant of the present invention utilizes phenomenons such as termite peculiarly licks mutually, feeding, the dead bones of the body of companion of ingesting, and reaches the purpose of catching all in one draft whole termitarium.
Following embodiment and experiment comparing result can prove attractant provided by the present invention a kind of good bait agent for controlling termite efficiently of can yet be regarded as.[embodiment 1]
The attractant prescription:
Sodium molybdate (Na
2MoO
42H
2O) 12.6g (containing molybdenum 5.0g)
Sodium tungstate (Na
2WO
42H
2O) 5.4g (tungstenic 3.0g)
Eucalyptus skin 4g
Korean pine wood 68g
Phenolic aldehyde high polymer binder 10g (formaldehyde is 0.9 times of amount of theoretical value for the reaction mol ratio of phenol)
Make flow process: above-mentioned quantitative sodium molybdate and sodium tungstate is dissolved in 100ml water, and after spraying this aqueous solution equably in eucalyptus skin of pulverizing by roughing and the wooden attractant base material of forming of Korean pine, temperature air-dry dry (amount of moisture 9%), with after quantitative phenolic aldehyde high polymer binder is dissolved in 20ml acetone, evenly spray in above-mentioned dried mixture, after the wooden model moulding, 150 ℃ of hot pressing 10 minutes promptly obtained bait agent for controlling termite of the present invention after air-dry in about 3 days.[embodiment 2]
10.1g sodium molybdate and 7.2g sodium tungstate are dissolved in the 50ml water, and this aqueous solution joined by 30g bagasse fragment, mix dry back (amount of moisture 8%) thoroughly in the mixture of 35g black pine bark pieces and 9.7 gram flour, spray the 50ml ethanolic solution of 8g urine aldehyde high polymer binder (formaldehyde is 0.7 times of amount of theoretical value for the reaction mol ratio of urea) again, after the stirring, with the first one-step forming of wooden model, 130 ℃ of hot pressing 10 minutes, about 3 days air-dry just obtains bait agent for controlling termite of the present invention.[experiment Comparative Examples]
According to embodiment 1 sodium molybdate 12.6g, sodium tungstate 5.4g and base material Korean pine fragment 63～68g and eucalyptus skin fragment 4g, method shown in the according to the form below is made bait agent for controlling termite and is carried out leaching test in the water of drug effect and active ingredient.
(1) test of pesticide effectiveness: the center that is covered with the plastic cylinder container (internal diameter 8cm, high 7cm) of gypsum in a bottom surface is put one for examination attractant (2cm
3), throw in 50 termites simultaneously.Be layered under the gypsum for giving moisture with moisture absorbent gauze.1 week, 2 weeks, 5 weeks back observation termite lethality.
(2) leaching test in the water: fill in the 300ml beaker of water, hang an attractant with marline and be dipped in the water 5 hours.Put into crucible behind the solid carbon dioxide and add heat-flash.Take by weighing ash content (inorganic matter), calculate active ingredient turnover rate in the water by following formula.
Turnover rate (%)=(A-B)/A * 100%
A: inorganic content B before the test: test back inorganic content
| High polymer binder kind and content thereof | Formaldehyde is for the reaction mol ratio of phenol, urea, melamine | Other condition of hot forming condition | The dead worm rate of the test of pesticide effectiveness (%) | Discharge rate in the active ingredient water (%) | ||||
| After 1 week | After 2 weeks | After 5 weeks | ||||||
| Attractant of the present invention | ??1 | Phenolic aldehyde high polymer binder 10% | 0.9 times of amount of theoretical value | 145 ℃, 10 minutes | ????15 | ????55 | ????100 | ????17 |
| ??2 | The agent 15% of urine aldehyde macromolecule knot | 0.7 times of amount of theoretical value | Added methanal trapping agent in 115 ℃, 8 minutes | ????10 | ????50 | ????90 | ????20 | |
| ??3 | Urine aldehyde high polymer binder 7% melamine high polymer binder 4% | 0.9 times of amount of 0.6 times of amount theoretical value of theoretical value | 130 ℃, 10 minutes | ????15 | ????60 | ????95 | ????15 | |
| The control group attractant | ??1* | Phenolic aldehyde high polymer binder 10% | 1.2 times of amounts of theoretical value | 180 ℃, 5 minutes | ????5 | ????15 | ????30 | ????17 |
| ??2 | Phenolic aldehyde high polymer binder 10% | 1.2 times of amounts of theoretical value | 160 ℃, 15 minutes | ????10 | ????25 | ????45 | ????14 | |
| ??3 | Phenolic aldehyde high polymer binder 10% | 1.2 times of amounts of theoretical value | 105 ℃, 10 minutes | ????5 | ????10 | ????25 | ????22 | |
| ??4 | Urine aldehyde high polymer binder 10% | 1.1 times of amounts of theoretical value | 115 ℃, 8 minutes | ????5 | ????15 | ????25 | ????18 | |
| ??5 | Sweet potato starch 10% | - | - | ????10 | ????50 | ????85 | ????95 | |
* with reference to the attractant of the phenolic aldehyde high polymer binder that uses in the patent (97 1 16506.8) with the making of heating molding condition.
With attractant of the present invention 1 and control group attractant 1～3 more once, just can find out in order not contained the attractant of free formaldehyde, the reaction mol ratio of formaldehyde is most important condition when making high polymer binder, and the condition of heating pressurization simultaneously also is important.
Claims (10)
1, a kind of bait agent for controlling termite, the attractant base material that comprises termite happiness food, water-soluble molybdate and tungstates contain and are dipped in the base material, it is characterized in that also containing the phenolic high polymer binder and/or the urine aldehydes high polymer binder that account for attractant gross weight 5～20% weight, the amount of residual free formaldehyde in making adhesive process contained in the binding agent should be 0 as far as possible, mostly is most less than the amount that termite is had repellent action.
2, bait agent for controlling termite as claimed in claim 1 is characterized in that also containing methanal trapping agent.
3, bait agent for controlling termite as claimed in claim 2 is characterized in that methanal trapping agent is amine, urea class, melamine compounds.
4, bait agent for controlling termite as claimed in claim 3, the attractant base material that it is characterized in that termite happiness food are to press at least a in bark, bagasse and the Korean pine wood.
5, make the method for bait agent for controlling termite, water-soluble molybdate and tungstates are contained be dipped in the attractant base material of termite happiness food, and be dried to moisture below 15%, sneak into the phenolic and/or the urine aldehydes high polymer binder that account for attractant gross weight 5～20% weight subsequently, at heating pressurized conditions compacted under bait agent for controlling termite, it is characterized in that the amount of residual free formaldehyde in making adhesive process contained in the binding agent should be 0 as far as possible, mostly be most less than the amount that termite is had repellent action.
6, the manufacture method of the described bait agent for controlling termite of claim 4 is characterized in that methanal trapping agent is added in the attractant.
7, the manufacture method of the described bait agent for controlling termite of claim 5 is characterized in that methanal trapping agent can add, and also can add when making attractant when making high polymer binder.
8, the manufacture method of the described bait agent for controlling termite of claim 4-6, it is characterized in that in the step of making the phenolic high polymer binder, formaldehyde is for the reaction mol ratio of phenol 0.7～1.0 times of theoretical amount preferably, and heating condition is 130～200 ℃, and be 6～30 minutes heat time heating time.
9, the manufacture method of the described bait agent for controlling termite of claim 4-6, it is characterized in that in the step of making urine aldehydes high polymer binder, formaldehyde is 0.6～0.9 times of theoretical amount for the reaction mol ratio of urea, and heating condition is 100 ℃～150 ℃, and be 3～20 minutes heat time heating time.
10, the manufacture method of the described bait agent for controlling termite of claim 4-8 by adjusting temperature and pressure, is adjusted into 0.4～0.9 with the proportion of attractant when it is characterized in that the attractant moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00100115A CN1107446C (en) | 2000-01-11 | 2000-01-11 | Bait agent for controlling termite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00100115A CN1107446C (en) | 2000-01-11 | 2000-01-11 | Bait agent for controlling termite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1303600A true CN1303600A (en) | 2001-07-18 |
| CN1107446C CN1107446C (en) | 2003-05-07 |
Family
ID=4575246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00100115A Expired - Fee Related CN1107446C (en) | 2000-01-11 | 2000-01-11 | Bait agent for controlling termite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1107446C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101449677B (en) * | 2007-12-02 | 2012-10-31 | 陈正林 | White latex capable of preventing and treating termite and manufacture method thereof |
| CN101427683B (en) * | 2008-11-06 | 2013-02-13 | 周投奎 | Method for trapping white ant with poison |
| CN102986740A (en) * | 2012-11-21 | 2013-03-27 | 北海市白蚁防治所 | Attractant for white ants |
| CN103081952A (en) * | 2013-02-04 | 2013-05-08 | 杭州艾克白蚁防治研究所有限公司 | Point-to-point termite control bait and its application |
| CN115119812A (en) * | 2022-07-08 | 2022-09-30 | 广西蓝盾有害生物防治有限公司 | Termite sex pheromone induced termite control method |
| CN115299467A (en) * | 2022-08-09 | 2022-11-08 | 广西蓝盾有害生物防治有限公司 | Preparation process of termite control composition |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2793595B2 (en) * | 1988-06-24 | 1998-09-03 | 大日本除蟲菊株式会社 | Termite control agent and its production method |
| JPH10324608A (en) * | 1997-03-24 | 1998-12-08 | Dainippon Jochugiku Co Ltd | Bait for controlling termite and its production |
| CN1063013C (en) * | 1997-09-11 | 2001-03-14 | 孙耘芹 | Bait agent for preventing and controlling white ant and its production |
-
2000
- 2000-01-11 CN CN00100115A patent/CN1107446C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101449677B (en) * | 2007-12-02 | 2012-10-31 | 陈正林 | White latex capable of preventing and treating termite and manufacture method thereof |
| CN101427683B (en) * | 2008-11-06 | 2013-02-13 | 周投奎 | Method for trapping white ant with poison |
| CN102986740A (en) * | 2012-11-21 | 2013-03-27 | 北海市白蚁防治所 | Attractant for white ants |
| CN103081952A (en) * | 2013-02-04 | 2013-05-08 | 杭州艾克白蚁防治研究所有限公司 | Point-to-point termite control bait and its application |
| CN103081952B (en) * | 2013-02-04 | 2014-02-26 | 杭州艾克白蚁防治研究所有限公司 | Point-to-point termite control bait and its application |
| CN115119812A (en) * | 2022-07-08 | 2022-09-30 | 广西蓝盾有害生物防治有限公司 | Termite sex pheromone induced termite control method |
| CN115119812B (en) * | 2022-07-08 | 2024-03-15 | 武汉海尔曼生物技术有限公司 | Termite sex pheromone induced termite control method |
| CN115299467A (en) * | 2022-08-09 | 2022-11-08 | 广西蓝盾有害生物防治有限公司 | Preparation process of termite control composition |
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| Publication number | Publication date |
|---|---|
| CN1107446C (en) | 2003-05-07 |
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