CN1154976A - Polymer composition containing bifenthrin for mfg. of insect-preventive cable - Google Patents
Polymer composition containing bifenthrin for mfg. of insect-preventive cable Download PDFInfo
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- CN1154976A CN1154976A CN 96110966 CN96110966A CN1154976A CN 1154976 A CN1154976 A CN 1154976A CN 96110966 CN96110966 CN 96110966 CN 96110966 A CN96110966 A CN 96110966A CN 1154976 A CN1154976 A CN 1154976A
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- bifenthrin
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Abstract
Small quantities of bifenthrin are used in formulations of plastic or polymeric compositions to provide compositions that are resistant to insect attack. The bifenthrin may be introduced as a component of a masterbatch which may be used to prepare PVC cable sheath.
Description
The present invention relates to polymer composition, said composition is useful for the shaping plastics of making the pest control invasion and attack.More particularly, the present invention relates to be added with in it polymer composition of the bifenthrin sterilant of sufficient dosage, this sterilant provides protection to prevent insect pest for cable.
Sterilant is joined in plastics or the polymer materials, and for example in polyethylene (PE), polyvinyl chloride (PVC) and the multipolymer, for example Ethylene/vinyl acetate is well-known.For example dog is used the ear hoop with killing the flea neck ring with poultry, thereby pest control has been protected animal (U.S. Pat-5437869) owing to discharge sterilant from plastics.
Contain in the application of sterilant plastics at another, pyrethroid insectide is joined in the PVC cable sheath of insulated conductor (English Patent GB1538222).Here, cable itself is the structure that will protect, because it is subjected to the invasion and attack of subteranean termites easily.UK Patent Application discloses and has described a kind of female section that is used to make termite-proof cable sheath in GB2276171A number.Contain Cypermethrin and be dispersed in masterbatch in the ethylene,---polyethylene, ethylene or polyvinyl chloride---blending mutually with a kind of substrate polymer.The Cypermethrin of lower concentration can prevent the invasion and attack of termite in blend composition according to reports.
Another kind of pyrethroid---Deltamethrin is also reported the Deltamethrin protection cable with lower concentration.Because the thermostability of bifenthrin contains the Deltamethrin plastics and can vulcanize, extrude or inject (No. the 62173/90th, Australian patent application) in the temperature up to 200 ℃.
Also reported a kind of pyrethroid masterbatch of synergism, wherein, pyrethroid and piperonyl butoxide add in the new LDPE (film grade) particle (English Patent GB1568936).This masterbatch contains about 6% active principle, is used to manufacture the film that protection against insect passes.
According to the present invention, had been found that in some polymer composition very the bifenthrin sterilant of lower concentration can protect the PVC cable sheath not to be subjected to the invasion and attack of termite effectively.
The present invention is described in some plastics or the combination of polymers composition formula and uses bifenthrin, is used to prepare the PVC cable sheath so that the composition of protection against insect invasion and attack is provided.Bifenthrin is introduced into as the masterbatch composition.This masterbatch can be directly used in the final composition of preparation.This final composition is suitable for being used for suppressing and the manufacturing of mould-forming as the PVC cable tube as shown in hereinafter.
Masterbatch of the present invention mixes with polyethylene (PE) wax phase by bifenthrin and prepares.PE wax is a kind of low-molecular-weight Natene, its molecular weight between 1000 and about 4000, preferably between 2000 and about 3000 (NJ, USA is on sale for Allied Signal Inc., Morristown).Preferred PE wax can be from Allied Signal, and Inc company has bought, trade(brand)name A-C 6A.
Bifenthrin has description in U.S. Pat 4328505.Can be from FMC Co., Philadelphia, PA, USA buys, being characterized as of bifenthrin: have that very high desinsection is renderd a service, satisfactory stability and touch safer (Farm Chemi CalHandbook ' 95, Meiter Publishing Co.Willoughby, OH).Bifenthrin has following structural formula:
Bifenthrin is lower to the mankind's toxicity, particularly for the necessary dosage of insect-pest, for using it as the sterilant in the plastics significant benefit to be arranged.
In masterbatch of the present invention the concentration range of bifenthrin from about 0.05 to 20wt%.Have been found that the thermostability owing to bifenthrin, generally its flash-point is lower than the polyethylene extrusion temperature, and flash-point increases when it joins in the PE wax.The flash-point of the bifenthrin of technical grade is 165 ℃; Yet as the composition in the PE wax of 20wt% then its flash-point be 213 ℃.Its fusing point of a kind of masterbatch with the preparation of the PE wax of 20wt% bifenthrin is about 110-125 ℃.In the preferred embodiment of a preparation PVC cable sheath, masterbatch is to obtain by about bifenthrin of 0.1 to 5wt% is sneaked in the polyethylene wax.This bifenthrin/PE wax can easily wear into powder so that processing.Another kind of alternative plan is can be by bifenthrin and a kind of additive, Reofos hereinafter described for example, mixing and be prepared into masterbatch.
For the PVC cable sheath, obtain per 1 to 20 part of masterbatch of 100 parts of resins (1 to 20phr) in the polyvinyl chloride resin thereby bifenthrin/PE wax joined.This mixture or give batch mixing and be suitable for being used to make the PVC cable so that can form molding sheet material sheared by hot pressing from about 110.The concentration range of bifenthrin can be from 10 to 10000ppm in the PVC cable.In a preferred embodiment, the PE wax that contains about 0.1wt% bifenthrin is joined in the resin, obtain a kind of mixture of about 5 to 20 masterbatch phr.The concentration that this mixture that is added with various additives as described below contains bifenthrin is about 25 to 100ppm.Bifenthrin concentration is low to moderate the invasion and attack that about 25ppm still prevents termite very effectively.
Except bifenthrin, in polymer composition of the present invention, also can be included in one or more additives that often use in this field, for example the softening agent class is sad such as triaryl phosphate and phthalic acid two; Earthfill rockfill concrete riprap RCC is such as lime carbonate and polyethylene wax; Fire retardant is such as PB370 (bromo-phosphonium acid esters) and antimonous oxide; Or thermo-stabilizer, such as tribasic lead sulfate.
Embodiment
For pvc pipe, prepare following sample.Produce the molding sheet by these samples and be used for active testing.
Sample
(in the umber of 100 parts of polyvinyl chloride resins)
M386 M387 M388 M389 M439 polyvinyl chloride (polyvinyl chloride resin) 100 100 100 100 100Reomol dop
130 30 30 30 30Reofos
250+-5 10 20-0.1% bifenthrin masterbatch
3Reofos 50 20 15 10--lime carbonate 40 40 40 40 35 tribasic lead sulfates 55555 calcium stearates 11111 antimonous oxides----5 copper naphthenate----6
1Reomol dop=dioctyl phthalate (DOP)
2The phosphoric acid phenylester of Reofos=isopropylation
3Bifenthrin is in Reofos 50
Carry out a series of test with estimate above-mentioned prepare contain the protective capacities that prevents termite (Coptotermeo curvignathus Holmgren) invasion and attack that bifenthrin igelite material provides.These tests are at Bogor, and West Java carries out in the soil of Indonesia, this termite arranged there and determine to have had 8 years.For the purpose of comparison, also having prepared with the copper naphthenate is the sample of effective constituent.
Experimental technique
The concrete chunk of manufacturing a kind of 63cm * 63cm * 10cm on the ground is as " examination measurement unit ".In the place, have 25 test cells, arrange (each unitary distance is 80cm) by 5 row.There is the hole of a 10cm at the center of each test cell, inserts a pvc pipe in the hole, and the composition of every kind of tested person is placed on the ground in this hole.
Pine sawdust is to attract the soil layer termite on the composition placed around of tested person.Tight the port lid in pvc pipe then.
In 24 weeks, observe in per 2 weeks once to identify: a) evidence that termite is gnawed on sample and the pine bait; And b) protective capacities of test composition is with the score system of following table.
The protective capacities score
Unimpaired 100
The mild damage 90
Moderate infringement 40
Severe infringement 0
At viewing duration, having observed soil layer termite C.curvignathus has the very strong food ability of seizing at test zone, and on the ground most of lignocellulosic materials gnaw.On the pine bait of test cell 76%, find to have the termite hole.Even test period around, the pine bait in some test cell is gnawed by C.curvignathus.The infectious peak of termite is in the 8th week, has 48% pine bait to be attacked in test cell in this period.
The result
According to observations, during six month, sample M386 80% by soil layer termite C.curvignathus invasion and attack (average protective capability is 72).Can think that sample M386 is very easy to be subjected to the invasion and attack of termite.During this, 40% of sample M387 and M388 is subjected to slight invasion and attack (average protective capacities is 96).In this test period of six months all M389 and all unimpaireds of M439 sample, although the pine bait is attacked by C.curvignathus in same test cell.During the average protective capacities of sample is listed in the table below.Compound concentration (ppm) sample protective capacities bifenthrin 0 M386 72
25 M387 96
50 M388 96
The mean value of 1005 repeated tests of 100 M389 100 copper naphthenates, 3000 M439
Clearly, not breaking away from the spirit that the present invention stipulates in the claims, is to make various improvement to prescription of the present invention and enforcement.
Claims (10)
1. an insect protected polymer composition is characterized by, the bifenthrin of enough desinsection dosage and a kind of polymkeric substance of selecting from organize down: polyethylene, ethylene, and polyvinyl chloride.
2. the composition of claim 1 is characterized by, and one or more are from organizing the additive of selecting down: trialkylphosphate, different propyl phosphoric acid phenylester, dioctyl phthalate (DOP), antimonous oxide, lime carbonate, sulfuric acid trivalent lead and calcium stearate.
3. the composition of claim 1 is characterized by, and the concentration of bifenthrin is 10 to 10000ppm.
4. the composition of claim 1 is characterized by, and the concentration of bifenthrin is 25 to 100ppm.
5. be used to prepare a kind of polymer master batch of insect protected polymer composition, it is characterized by, the bifenthrin and the polyethylene wax homopolymer of enough desinsection amounts, the latter's average molecular weight range is between 1000 and 4000.
6. the masterbatch of claim 5 is characterized by, and the concentration of bifenthrin is 0.05 to 20wt%.
7. the masterbatch of claim 5 is characterized by, the concentration of bifenthrin 0.1 and 5.0wt% between.
8. insect protected PVC cable sheath, it is characterized by the bifenthrin of enough desinsection dosage, polyvinyl chloride resin and one or more additives of from organize down, selecting: the phosphoric acid phenylester of trialkylphosphate, different propylization, dioctyl phthalate (DOP), antimonous oxide, lime carbonate, sulfuric acid trivalent lead and calcium stearate.
9. the cable sheath of claim 8 is characterized by, and the concentration of bifenthrin is between 10 to 10000ppm.
10. the cable sheath of claim 8 is characterized by, and the concentration of bifenthrin is between 25 to 100ppm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96110966 CN1154976A (en) | 1995-06-21 | 1996-06-20 | Polymer composition containing bifenthrin for mfg. of insect-preventive cable |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60/000391 | 1995-06-21 | ||
| CN 96110966 CN1154976A (en) | 1995-06-21 | 1996-06-20 | Polymer composition containing bifenthrin for mfg. of insect-preventive cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1154976A true CN1154976A (en) | 1997-07-23 |
Family
ID=5120968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96110966 Pending CN1154976A (en) | 1995-06-21 | 1996-06-20 | Polymer composition containing bifenthrin for mfg. of insect-preventive cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1154976A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301304C (en) * | 2004-02-26 | 2007-02-21 | 深圳市展辰达化工有限公司 | Nitro termite-proof insect-protected enclosed priming paint |
| CN103980605A (en) * | 2014-05-26 | 2014-08-13 | 沈群华 | Anti-termite cable material and cable using same |
| CN106117907A (en) * | 2016-08-02 | 2016-11-16 | 合肥文武信息技术有限公司 | A kind of insect protected communication cable |
| CN106188961A (en) * | 2016-08-02 | 2016-12-07 | 合肥文武信息技术有限公司 | A kind of from fire-retardant can the communications cable material of insect protected |
| CN112375310A (en) * | 2020-09-24 | 2021-02-19 | 深圳市华亿电讯实业有限公司 | Termite-proof cable and preparation method thereof |
| CN114573905A (en) * | 2022-03-11 | 2022-06-03 | 福建菲克斯达纺织有限公司 | Plastic master batch formula with long-acting insect repelling and preventing effect, processing technology and using method |
-
1996
- 1996-06-20 CN CN 96110966 patent/CN1154976A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301304C (en) * | 2004-02-26 | 2007-02-21 | 深圳市展辰达化工有限公司 | Nitro termite-proof insect-protected enclosed priming paint |
| CN103980605A (en) * | 2014-05-26 | 2014-08-13 | 沈群华 | Anti-termite cable material and cable using same |
| CN105419079A (en) * | 2014-05-26 | 2016-03-23 | 沈群华 | Anti-termite cable material, anti-termite cable using same and anti-termite optical cable |
| CN105462054A (en) * | 2014-05-26 | 2016-04-06 | 沈群华 | Anti-ant optical cable sheath material and optical cable with same |
| CN105489269A (en) * | 2014-05-26 | 2016-04-13 | 沈群华 | Anti-termite cable material and anti-termite cable employing same and anti-termite optical cable |
| CN103980605B (en) * | 2014-05-26 | 2016-06-01 | 国家电网公司 | A kind of anti-ant CABLE MATERIALS and use the cable of this material |
| CN105623070A (en) * | 2014-05-26 | 2016-06-01 | 沈群华 | Anti-ant cable material and anti-ant cable |
| CN106117907A (en) * | 2016-08-02 | 2016-11-16 | 合肥文武信息技术有限公司 | A kind of insect protected communication cable |
| CN106188961A (en) * | 2016-08-02 | 2016-12-07 | 合肥文武信息技术有限公司 | A kind of from fire-retardant can the communications cable material of insect protected |
| CN112375310A (en) * | 2020-09-24 | 2021-02-19 | 深圳市华亿电讯实业有限公司 | Termite-proof cable and preparation method thereof |
| CN114573905A (en) * | 2022-03-11 | 2022-06-03 | 福建菲克斯达纺织有限公司 | Plastic master batch formula with long-acting insect repelling and preventing effect, processing technology and using method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |