CN104486946A - A strong insecticidal net - Google Patents

Abstract

Present invention relates to an insecticidal textile product having at least a first yarn type and second yarn type, said first yarn type comprises an insecticide and the second yarn type does not contain an insecticide, repellent or chemosterilant. Preferred is an insecticidal textile product comprising a first yarn made of polyethylene and a second yarn not containing insecticide and is preferably made of pure HDPE polyethylene and made into a bed net for the prevention of malaria.

Description

Firmly insecticidal net account

Invention field

The present invention relates to comprise at least two kinds of yarn types kill insect textile product, wherein the first yarn types comprises insecticide, insect repellent or chemosterilants (chemosterilant) and the second yarn types containing insecticide, insect repellent or chemosterilants, and prepares the method for textile product of the present invention.

Background of invention

Net account through insecticide treatment is widely used for prevention of malaria.Usually, they are textile product that the polyester being coated with insecticide is made, or insecticide mixes in polymer composition under polyethylene or polyacrylic situation.There is many prior art documents such as WO0137662 and WO2007085640, it relates to the polyester being coated with insecticide.Such as JP8302080A and WO2008001926, it relates to the polyethylene resin composition with insecticide and US 20110256198 relates to the polypropene composition with insecticide.This resin can be extruded as yarn, can prepare textile product by yarn.

Polyethylene composition can be prepared from different polyethylene polymers; They can be LDPE, LLDPE, MDPE and HDPE.LLDPE (LLDPE) is the polymer (polyethylene) of substantial linear, has the brachyplast of significant quantity, general by ethene and the olefin-copolymerization of more long-chain being obtained.

MDPE is medium density polyethylene, is the poly linear polymer shorter than HDPE chain length substantially.HDPE (high density polyethylene (HDPE)) or polyethylene high density (PEHD) are thermoplastic polyethylenes.

HDPE does not almost have branching, provides molecular separating force and tensile strength that more low-density polyethylene is stronger.It is also harder and opaquer, can also resist higher temperature (short time 120 DEG C/248 °F, continuous 110 DEG C/230 °F).The polyethylene yarn that HDPE yarn mixes than LDPE is more firm.

LLDPE is LLDPE (LLDPE), and it is the polymer (polyethylene) of substantial linear, and short numbers of branches is many, general by being prepared by the olefin-copolymerization of ethene and more long-chain.Different from Regular low density polyethylene in LLDPE structure, reason there is not long chain branching.

These polyethylene compositions (HDPE, LDPE, LLDPE and composition thereof) are generally used for prepares yarn and based on poly textile product such as Netprotect. be polythene net account, be wherein mixed with and (be formulated in polyethylene composition, as referred to herein) insecticide decis.This is the representative instance of the malaria tester for the protection of the mankind.Mix the polypropylene multi-filament yarn of insecticide also for tester, such as Bayer's

Insecticide is mixed in polymer resin composition and weakens yarn.This is that prior art is known.When US4680328 is described in and insecticide is added to thermoplastic compounds, it weakens tensile strength.The part 1 (64 to 68 row) of such as US4680328 describes the unfavorable effect that the hope physical characteristic of high-load insecticide to composition comprises resistance, creep and stress crack and tensile strength.The mixture of HDPE and LDPE is shown and is compensated this loss of strength, thus uses more firmly HDPE characteristic and be mixed into the LDPE of minor amount.

The result that the intensity of the reduction of polyethylene yarn causes is, when this more weak yarn is for the preparation of textile tester, hole appears in net account quickly, insect (such as mosquito) can easily find this hole and bites humans, transfer malaria protozoa, net account loses effect thus.

WO2010115709 (Ole Skovmand) relates to polyethylene composition, and it has the active component controlled release of improvement and more stable under holding conditions, but not mentioned physical features such as intensity.

Insecticide can mix LDPE or LLDPE to form the concentrate being called masterbatch, to treat to mix with base polymer (US1480125).

As the explanation in WO2010115709, minor amount LDPE/LLDPE is mixed into some losses that HDPE has caused tensile strength.Technical staff is subject to the possible quantitative limitation of the LDPE/LLDPE that can be mixed into HPDE when preparing preparation and having the polyethylene textile product of insecticide, reason is the risk of losing intensity.The LDPE/LLDPE amount needed is lower, and it is more favourable and will the less tensile strength of loss.In the publication, the problem of yarn containing insecticide loss intensity is solved by adding specific wax, and this allows the LDPE/LLDPE of even lower amounts to add resin compound (HDPE and LDPE).Insecticide is dissolved in wax and wax dissolves in polymer.

The mixture of HDPE and LDPE in the present invention also referred to as blended yarns.

WO2009003468 (Vestergaard Frandsen) discloses insecticidal filament (thread), has the first monofilament and the second monofilament.Filament disclosed in it has the first and second sections.Part I can have insecticide and Part II does not contain insecticide, and both all mix polymeric material.Part I can not contain insecticide by the second long filament containing the long filament of insecticide.This filament can be used in preparation and kills insect textile product.WO2009003468 Fig. 1 illustrates the filament with the yarn of two kinds of different long filaments.WO2009003468 the 10th page (Fig. 1) is open, and filament (1) is containing the first monofilament (2) and the second long filament (3) forming filament together.Clearly, WO2009003468 the unexposed textile product be made up of the yarn types of two kinds of differences or separation.

WO2009003470 relates to and kills insect textile product, has the off line account part of online account part and more high-tear strength.But, wherein do not obtain this performance.At Strength ofbed nets as function of denier, knitting patterns, texturizing andpolymer, tested according to described patent preparing product in Skovmand and Bosselmann, 2011, Malaria J.Although this article display bursting strength improves but tearing strength is not higher in off line account part.It openly has the first yarn of the first concentration (such as higher than the second yarn) and has the possibility of the second yarn of lower insecticide concentration.WO2009003470 and unexposed be combined with insecticidal yarn and not containing insecticide yarn kill insect textile product.

WO2010046348 (Ole Skovmand) openly has the first yarn of at least the first insecticide and has the second yarn of the second insecticide.WO2010046348 discloses the textile product made by the two kinds of insecticidal yarn types all comprising insecticide.Two kinds of different insect yarns that kill are made into kill insect textile product, and the polymer composition preparing yarn types makes the release of two kinds of insecticides adjusted thus discharges simultaneously, particularly useful mosquito, prepared by textile product (such as tester) to the area that the insecticide that yarn types is selected has resistance level.WO2010046348 and unexposed be combined with insecticidal yarn and not containing insecticide yarn kill insect textile product.

WO2011054825 (Ole Skovmand) openly kills insect textile product, and it has the two kinds of different yarns types all comprising insecticide.First yarn types with the first insecticide can around the second yarn types twisted weave (twist) with the second insecticide.This textile product is more effectively gone out except resistant insects colony.WO2011054825 and unexposed be combined with insecticidal yarn and not containing insecticide yarn kill insect textile product.

Oxborough et al is at Annals of Tropical Medicine and Parasitology, and vol.102, no.8,717-727 (2008) disclose the textile product (net account) that polyester is made.Top, four sides or whole net account insecticide, to be separated in top and four sides, then flooded by cutting polyester webs account before again sewing up net account.The net account that the polyester webs that the people such as Oxborough have studied different fragments is made; 1) two side insecticide treatment and top is untreated, 2) top insecticide treatment and side is untreated, 3) whole net account insecticide treatment and 4) complete untreated net account.The people such as Oxborough and unexposed there are two kinds of different yarns types kill insect textile product, reason is that whole yarn all passes through impregnation process.

Need to improve polyethylene yarn and textile product all the time, particularly obtained they more effectively, more firmly, more durable, more cheap and use safer.

Prior art instruction be that insecticide is mixed in LLDPE or LDPE, after this by blended for this mixture be HPDE, the polymer composition of yarn is prepared in formation.LDPE is mixed into HDPE to obtain enough firmly yarns.Known to the skilled, in general, insecticide such as decis is added polyethylene can weaken polymer composition, obtains fragile, crackly and causes the textile product of hole.

It is believed that insecticide and usually some additive make polyethylene polymer softer, reason is that adding of they forces polymer to become more unbodied state, compared with crystalline state more rigid when there is not insecticide or additive.

This is also described in WO2010046348.There is many additives, also referred to as plasticizer in plastics industry.These are additives known to the skilled.Many the textile product be made up of it can also being caused to weaken for time polyethylene industry (plasticizer) in these additives.Clearly, it is very limited when current technical staff uses obtainable additive and combines with insecticide in polyethylene composition.

But the third object of the present invention be to provide fire-resistant do not lose textile product or yarn strength kill insect textile product.Prior art is it is known that can use some flame-retardant additives and be mixed into polyethylene polymer resin combination as is known.Usually they must add in a large number.But this flame-retardant additives, weaken yarn even further when particularly combining with insecticide, this makes it can not make the textile product with good flame-retarding characteristic at present.In addition, some flame-retardant additives can have and have negative effect to the stability of insecticide, also namely decomposes insecticide because additive exists.

Such as it is known that the combination of the amine light stabilizer (derivative of HALS and 2,2,6,6-tetramethyl piperidine) of decis and some steric hindrance causes the heavy losses (US20110256198) of active bromine Cyano chrysanthemate due to isomerization.Decis can be R-isomeric forms and S-isomeric forms.R-isomeric forms not tool kills insect active.Some HALS additive adds the amount increasing R isomer.Then, this makes textile product inefficiency, such as, can not be used as the tester that the protection mankind take precautions against malaria.So some useful plastic additive can not directly mix with insecticide and be present in identical yarn at present.A kind of flame-retardant additives being prevention polyethylene and burning in them.

In Africa or Asia, textile product is usually suspended in thatched cottage in small towns and little room.Due to the total life area in thatched cottage or room and the little and polythene net account that hangs close to cooking area, which increase the risk of textile web account contact stove and polyethylene yarn can be caused to burn.When polyethylene burns, it forms awfully hot (polyethylene) drop, and it can be hurted sb.'s feelings and cause serious skin to burn infringement.

Therefore, the characteristic of another hope be the anti-flammability characteristic with pre-anti-burning droplets kill insect textile product.Current problem is that flame-retardant additives can not be blended with insecticide, reason be its degraded insecticide (inconsistent) and if to incompatibility be avoided, then concentration is had to be down to it and is become invalid level.

The fourth object of the present invention reduces the risk that the mankind directly contact the insecticide killed in insect textile product.

Current kill insect textile product can easily with human contact.What can occur is that the such as mankind such as children sleep against textile web account, and skin directly contacts the insecticide of yam surface for a long time thus.Also usually it is expected to, baby even can suck a period of time and swallow insecticide on net account.In fact, the WHO assessment process of tester defines this situation.Long that continue dipping or kill the polythene net account that insect mixes and the mankind are exposed to insecticide (suck or swallow).

The fifth object of the present invention is that prevention muroid is swallowed or bites out hole in textile product.This is known problem, particularly in storage place.Textile web account distribution before usually store longer time, and they by day period can be stored in corner.Muroid is usually haunted storage areas and is caused infringement and the loss of textile web account, and reason is that they bite out hole or swallow plastics in net account.The insecticide dosage existed can not go out except muroid.It is desirable that the additive that muroid is disagreeable mixes polyethylene yarn.This additive is capsaicine (Capsaicin).Capsaicine and several allied compounds are called capsaicine (phenols acid amides C ₁₈h ₂₇nO ₃) and as the minor metabolites of pepper, the deterrence (deterrents) of some herbivore and fungi may be used as.It comprises the mankind to mammal and has excitant, produces with in any tissue contacted sensation of burning.

For the net account of at present preparation, technical staff also faces identical problem that is described additive can not be mixed into polyethylene under insecticide exists, and reason is that it weakens yarn and/or causes insecticide to decompose due to the isomerization of above-mentioned increase.

At present, on market, obtainable whole textile product (such as tester) has yarn, and wherein the mankind are exposed to insecticide in two sides of textile product such as net account.Textile product always has substantially in the first side of the relative both sides of textile product and the second side.

Correspondingly, a first aspect of the present invention kills insect textile product, comprise the first yarn types and the second yarn types, described first yarn types comprises insecticide, insect repellent or chemosterilants and described second yarn types does not contain insecticide, insect repellent or chemosterilants.

A second aspect of the present invention is the method for killing insect textile product with the weaving or knitting equipment preparation with the first roller bearing and the second roller bearing, it comprises the first yarn types and the second yarn types, described first yarn types comprises insecticide, insect repellent or chemosterilants and described second yarn types does not contain insecticide, insect repellent or chemosterilants, and described method comprises the steps:

I) preparation comprises the first yarn types of insecticide, insect repellent or chemosterilants,

Ii) the second yarn types is prepared,

Iii) the first yarn types be placed in be placed on the second roller bearing on the first roller bearing and by the second yarn types,

Iv) by the first yarn types and the second yarn types are dosed to knitting or textile machine, mix the first yarn types and the second yarn types and carry out knitting or weaving,

Vi) textile product prepared for cutting, making and be shaped is obtained, and

Vii) optionally, textile product cut, make and be configured as specific textile product namely.

Definition

Term " danier (D) " represents the weight (g) of 9000 meters of yarns.

Term " LLIN " expression " long continue kill insect net account ".

Term " textile that Raschel is knitting " expectation as used herein has the implication being described in US5732573, and the Raschel device fabrication that described textile can be manufactured by Karl Mayer, Liba or Kokett company.

Term " through compiling (warp) " expression as used herein along the direction of textile roller bearing (role), as Spencer D, 2001; Knitting technology 3rd edition.Cambridge:WoodheadPublishing limited and Journal of Textile and Apparel, Technology andManagement, Volume 4, Issue 4, explained in 2005.

The direction that term " weft knitting (weft) " expression as used herein intersects with textile roller bearing, as Spencer D, 2001; Knitting technology 3 ^rdedition.Cambridge:WoodheadPublishing limited and Journal of Textile and Apparel, Technology andManagement, Volume 4, Issue 4, explained in 2005.

Term " matrix " expression as used herein has and the compound polymer of other additive of non-active ingredient (insecticide or biocide), as in WO2010115709 define.

Textile such as one or more the mixture following of term " blended yarns " expression as used herein synthesis: polyester, aromatic polyamides (Aramid), acrylic compounds, nylon, polyurethane, alkene, polylactide, the polyethylene mixture of HDPE and LDPE, polypropylene and polypropylene copolymer, and with reference to WO2010012671 the 4th page.

Term " polymer " expression polymer as used herein such as alkene and phthalate/ester, as described in WO2010115709.This polymer is for the preparation of textile product and can be selected from polyethylene, polyester and polypropylene without restriction.

Detailed Description Of The Invention

Kill insect textile product

Killing insect textile product is comprise for going out except the textile product of the insecticide of, repellent or sterile insect, insect repellent or chemosterilants.Herein to kill insect textile product can be knitting or weaving and being substantially made up of network of yarns.Depend on that purposes is as heavy curtain, clothes, carpet, net account, screen window, wall ornamentation, the form that this textile product shaping may be different.Various uses comprises tent, net account cleaning device, geotextile and net account, disclosed in WO03003827 and WO06024304.The example that prior art kills insect textile product be net account such as with

As of the present invention open, technical staff can select many possibility insecticides and they be mixed polyethylene and/or polypropene composition, after this for the preparation of the yarn of textile product of the present invention such as mosquito net.Insecticide such as lists in WO2010046348.

Exemplary embodiment of the present invention is net account, more preferably mosquito-proof tester.Other preferred embodiment is such as heavy curtain, mat, wall covering textile, canvas, dress material, farm network account and screen window/door curtain.Especially, the tester that insect textile product is prevention of malaria is killed.

First yarn types and the second yarn types

According to the present invention, at least employing comprises the first yarn types of insecticide, insect repellent or chemosterilants and does not contain the second yarn types of insecticide, insect repellent and/or chemosterilants.Should understand and can exist more than a kind of first yarn and can insecticide, insect repellent or chemosterilants be contained, as long as there is at least one not containing the second yarn of insecticide, insect repellent or chemosterilants.Usually, there is a kind of the first yarn types of comprising insecticide, insect repellent or chemosterilants and a kind of not containing the second yarn of insecticide, insect repellent and/or chemosterilants.

The improvement of hinge structure of the present invention be textile product more firmly and there is higher insect go out except effect, as disclosed herein.

Described first yarn types can be prepared by known method, such as selected insecticide is mixed suitable polymer composition, as JP8302080 describes, and after this prepares yarn.

Second yarn types disclosed herein is the yarn be made up of any suitable polymer material substantially, such as polyethylene, polypropylene, polyester, nylon (polyamide) without restriction.Importantly the second yarn types does not contain any insecticide, insect repellent and/or chemosterilants herein.

Insecticide, insect repellent or chemosterilants is comprised and it is generally made up of polyethylene or polypropylene polymer composition due to the first yarn types, said composition comprises low density polyethylene (LDPE) (LDPE), LLDPE, HDPE or low and high-melting-point polypropylene or is mixed into polyacrylic LLDPE/LDPE and/or its mixture, and it is more weak yarn as be known in the art and described herein.LLDPE can be the LLDPE that the LLDPE-B-of Formosa Plastics company is called Formolene LLDPE or Westlake Polymers LLC company.

A kind of embodiment kills insect textile product according to of the present invention, and wherein the first yarn comprises the mixture of polyethylene polymer.

Another embodiment kills insect textile product according to of the present invention, and wherein the second yarn comprises the polymer composition being selected from HDPE (high density polyethylene (HDPE)), LDPE (low density polyethylene (LDPE)), HDPE and LDPE mixture, polyamide, polypropylene and polyester.

Another embodiment kills insect textile product according to of the present invention, and wherein the first yarn comprises the mixture of HDPE and LDPE and optional ceresine.

According to WHOPES scheme (WHO/CDS/WHOPES/GCD PP/2005 guide), the insecticide total amount that obtaining the textile product of effectively going out except insect needs can be regulated by the insecticide of Sq being added the first yarn types of the present invention.

Kill in the another embodiment of insect textile product in the present invention, the first yarn is included in and takes second place metapedes to go out except the insecticide of the amount of mosquito according to WHO/CDS/WHOPES/GCD PP/2005 guide washing at least 15.

In textile product of the present invention, insecticide accumulated dose/square metre can to kill insect textile product identical with prior art, but the insecticide total amount needed can be concentrated in less yarn (such as the first yarn).

For prior art textile product, biology effect (such as going out except insect such as mosquito) owing to insecticide (mg) dosage/square metre or g/kg net account.Such as, Netprotect claims to have 2 grams of insecticide decis/kg net accounts or 68mg/m ².Other is long continue polyester webs account that net account such as floods comprise 54mg decis/square metre.The characteristic that the polymer composition that can select according to polymer substrate used or technical staff of this amount is similar and changing.

In one embodiment of the invention, dosage/square metre maintenance constant (such as 68mg decis/square metre), but use two kinds of different yarns in the present invention, also namely comprise the first yarn types of insecticide, insect repellent or chemosterilants and do not contain the second yarn types of insecticide, insect repellent or chemosterilants.

In another embodiment of the invention, the first and second yarns make textile product (such as tester) with 70% total use meter Chang Du comprise the first yarn types in the textile product of decis and 30% total use meter Chang Du not containing the second yarn types of insecticide, insect repellent or chemosterilants.

Usually, the such as warp-knitting of knitting known method completes, and is described in Journal ofTextile and Apparel, Technology and Management, Volume 4, Issue 4,2005.The knitted net knitting with Raschel is described in US2992550.

Inventor understands, compared with the prior art with identical yarn (two kinds of yarns of each self-contained insecticide), the total insecticide dosage every square metre of maintenance or every kg textile constant and concentrate insecticide in a kind of yarn types and keep at least one second yarn types containing insecticide, cause the higher of insecticide textile product to go out except effect.

Another embodiment of the present inventionly kills insect textile web account, comprise the first yarn and the second yarn, first yarn comprises insecticide, insect repellent or chemosterilants and the second yarn containing insecticide, insect repellent or chemosterilants, wherein the total rice number of the yarn used of 30% from the first yarn and 70% from the second yarn.

The technical staff's reading consulted herein can select any first and second yarn ratios, depends on selected insecticide, selected polymer substrate and selected additive (such as fire-proof additive usually must in a large number to being given full play to effect).

Second yarn types

Second yarn types can be made up of straight polymer composition such as HDPE, LDPE, polypropylene, polyamide or its mixture.

Use blended yarns type before prior art net accounts, such as HDPE and LDPE or LLDPE polymer substrate, be wherein mixed with insecticide this blended yarns is prepared by standard method known in the art.Technical staff can buy and namely use masterbatch, and also namely selected HDPE and LDPE comprising insecticide or other mixture, after this extruded to prepare yarn.Many dissimilar masterbatch (such as polyethylene master batch) are prepared by Alok company (India).Shown in masterbatch may be used for injection moulding, blowing, film is extruded, and sheet is extruded, and polypropylene and polyethylene textile bag are extruded, roto moulding, and polypropylene and polyethylene mono filament and pipe are extruded.

The first yarn comprising insecticide is significantly more expensive compared with pure HDPE.Now according to the present invention may significantly reduce costs and prepare and more cheap kill insect textile product.This passes through with comprising the first yarn of insecticide, insect repellent or chemosterilants and not becoming possibility containing the second yarn of insecticide, insect repellent or chemosterilants.In the first yarn, mix the insecticide, insect repellent or the chemosterilants that obtain needed for the net account meeting the requirement obtaining WHOPES approval according to the present invention.

Measure the detailed description of killing in the method embodiment 1 as described herein of the intensity of insect textile product to carry out.

Textile product can by such as knitting, the weaving and 3-dimension is knitting etc. forms asymmetrically of whole known methods of being used for preparing textile product.Knitting and textile technology is known to the skilled.The method most preferably used especially is herein a such as warp-knitting, and it is also for the preparation of killing insect textile product such as anti-malaria mosquito tester.

Select more cheap and more strong materials be newly selected to possibility.Nylon yarn such as can be used as the second yarn types.Nylon yarn is more expensive, but also lighter under the identical toughness of HDPE yarn acquisition.As the second yarn types, nylon is not containing insecticide, insect repellent or chemosterilants and can be used in an asymmetrical fashion preparing net account, namely also the nylon overwhelming majority is positioned on second side (2) of textile product, and comprises (mixture of such as HDPE and LDPE, the LDPE) that be made up of polyethylene of insecticide, insect repellent or chemosterilants and yarn known to the skilled is mainly positioned on the first side (1).Mode thus, obtains very firmly net account.Technical staff is known, insecticide is added the softening polyethylene polymer of polymer substrate (such as HPPE, LDPE and composition thereof), and causes polythene net account not firmly (generally occurring hole over time).

Another embodiment kills insect textile product, and wherein the second yarn types is made up of nylon.

Another embodiment kills insect textile product, and wherein the second yarn types is made up of pure HDPE or virgin pp.

Although as illustrated herein, the textile of represent by the yarn rice length of total textile product 70% is made up of the first yarn types comprising insecticide, insect repellent and chemosterilants and represents 30% to be only not containing the second yarn types of insecticide, insect repellent and chemosterilants by the yarn rice length of total textile product, finds that intensity increases theatrically surprisingly.See this paper embodiment 3.

For the farm network account in greenhouse

During net account is often often used in agriculture, and for such as Mediterranean, some region.These net accounts are undressed, and also namely textile product (net account) is middle without insecticide, and reason is that honeybee class is very sensitive to all insecticides such as decis.

Honeybee class needs to be protected and avoids contacting insecticide.Honeybee class is useful beneficial insect and and introduces greenhouse with pollination.In this case, inside greenhouse, (side towards plant such as plant growth region) does not wish to go out to remove, wish high going out except effect in outside (side separated by screen window, glass or untreated net account of plant dorsad, generally sudden towards insect from natural world outside) simultaneously.

Typical embodiment kills insect textile product, comprise at least the first yarn types and the second yarn types, described first yarn types comprises insecticide, insect repellent or chemosterilants and described second yarn types does not contain insecticide, insect repellent or chemosterilants, and it is for the method for growing plant in glass or greenhouse.

According to the present invention, agriculture net account can be prepared and in greenhouse or phytotron, wherein total be made up of net account and wherein the first side dorsad plant growth region and the second side (not containing insecticide) towards plant.The honeybee class contacting the second side can not be gone out and be removed, and reason is that the first yarn comprises insecticide.Clearly, this is that the prior art net account being relatively such as described in EP1411764B1 improves, and is gone out and remove in described prior art during honeybee class contact net account.

The flexibility of any additive is mixed in the second yarn not containing insecticide

According to the present invention, technical staff does not select the combination of additive and test they and selected insecticide limitedly.

According to the present invention, can additives known be selected and mix not containing the second yarn types of insecticide, and not weakening the intensity of the second yarn.By preparation textile product of the present invention, obtain net account that is more firm, fire-retardant and more biologically effective.Hereinafter list the possible additive that can select, and they are all known to the skilled.

Another embodiment of the present inventionly kills insect textile product, and wherein the second yarn comprises plasticiser additive inconsistent with the insecticide be present in the first yarn types.

Additive (plasticizer)

There is the additive belonging to antioxidant group.Antioxidant comprises oxygen-radical scavenger, HALS (hindered amine light stabilizer) and NOR-HALS (alcoxyl amine (alkyloxamin) hindered amine light stabilizer) molecule.This plasticizer or additive are such as but not limited to trade name by such as BASF AG tINUVIN 494 is produced with similar trade name Songnox with IRGANOX or Songtom company.

Such as, be the solid form UV absorbent of 2-hydroxy-benzophenones, when the HALS with Chimassorb or Tinuvin series combinationally uses, it brings good photostability.The excellent compatibility of its display and polyolefin and plasticized PVC.

Other additive is light stabilizer, antioxidant and UV absorbent.Bibliography can see US7910642, US20030109599 and US6828364.

Fire retardant

Fire retardant is the chemicals for thermoplastic, thermosetting plastics, textile and dressing, the diffusion that it suppresses or opposing is burnt.Fire retardant is compound known to the skilled.Being suitable for of the present invention can be PE68 and Dyneon MM5935.These can be mixed into second yarn of pure HDPE, and protect textile product of the present invention to avoid burning thus and form hot polymerization ethene droplet.In prior art net account (also namely only yarn contains the net account of insecticide), fire retardant destroys insecticide and makes net account invalid and cannot go out except insect.In addition, make the amount of fire retardant effectively or between main combustion period required for anti-dripping effects not compatible with the yarn had for the preparation of the enough toughness of net account.

This additive is called after flame-retardant additive also.

Typical embodiment of the present inventionly kills insect textile, wherein the second yarn comprises and is selected from following additive: flame-retardant additive, color additive, UV filtering agent, light relaxes additive, capsaicine, muroid poisonous substance, repellent of murine and decompose other plasticizer stabilising additive of insecticide under polyethylene polymer exists.

Capsaicine

As explained, capsaicine and several allied compounds are called capsaicine (phenols acid amides C ₁₈h ₂₇nO ₃) and produce as the minor metabolites of pepper, may as the deterrence resisting some herbivore and fungi.It is irritant that it comprises the mankind to mammal, to burn sensation with generation in its any tissue contacted.

Pure capsaicine can be bought widely with crystal form.

Typical embodiment comprises the first yarn of insecticide and the second yarn containing muroid poisonous substance.The example of suitable muroid poisonous substance is difenacoum or warfarin.Warfarin (be also known as trade name Coumadin, Jantoven, Marevan, Lawarin, Waran, and Warfant) be anticoagulant.This known agricultural chemicals of antagonism muroid can be selected by technical staff.

Typical embodiment comprises the first yarn of insecticide and the second yarn containing capsaicine.Other suitable repellent of murine is the additive from pepper extract.

Typical embodiment comprises the first yarn of insecticide and the second yarn containing repellent of murine.

Prior art net account: the every kg textile of total amount 1.8 grams of decises.The present invention: the first yarn contains 0.0 gram of insecticide containing 2.571 grams of every kg textiles of decis and the second yarn.

Use first yarn (being expressed as the % of the gross weight accounting for the textile product made) of 70% and second yarn of 30%.Thus 2.571 grams of decises of 70% are equivalent to 1.799 grams of every kg textile product of decis, and it is identical with 1.8 grams of every kg textile product of DESCRIPTION OF THE PRIOR ART book.

Conclusion embodiment 5:

By with comprising the first yarn of insecticide and being not textile product containing the second yarn of insecticide by two kinds of yarn knittings, keep textile product gross weight constant and keep insecticide total amount constant, obtaining more firmly net account and there is the going out except the net account of effect of improvement.

Technical staff simply can select the insecticide amount needed now, selects the ratio of the first yarn and the second yarn, to obtain the intensity of hope and the textile product of biopotency that have according to the test of WHO reference scheme.

More firmly kill insect textile product (such as net account)

Brief summary of the invention

The first object of the present invention is to provide kills insect textile product, and the insect with improvement is gone out except effect, thus more preferably protects mankind's strick precaution to create disturbances to insect and insect-borne disease (such as malaria carries mosquito).

What the second object of the present invention provided more firmly (the higher bursting strength also namely when measuring textile product or the higher levels of tearing strength-toughness when measuring yarn) kills insect textile product, obtains more durable (more firm) and have more long-lifely to kill insect textile product.In the net account of fragility, hole occurs fast, and because insect easily can enter region bites humans thus spread disease that net account covers, it reduces the validity of net account.

Preferred embodiment kills insect textile product according to of the present invention, comprises the second yarn types be made up of pure HDPE.Selection like this is because pure HDPE is the polyethylene composition of the strongest and most rigidity.When killing insect textile product (such as net account) for the present invention thus, killing insect textile product and become very firm during the polyethylene polymer only comprising HDPE is for the second yarn types.

The another embodiment of the second yarn types is polypropylene.

In the present invention, now may generally but without restriction with pure polyethylene polymer composition (such as pure HDPE) or any suitable other material (nylon, polyester or polypropylene) preparation more firmly net account.

Insecticide, insect repellent or chemosterilants

Insecticide

Preferred insecticide can belong to pyrethroid compound class such as ether chrysanthemum ester: 2-(4-ethoxyl phenenyl)-2-methyl-propyl-3-phenoxy benzyl ether; Sumicidin: (RS)-alpha-cyano-3-phenoxy benzyl (RS)-2-(4-chlorphenyl)-3 methylbutyrates; S-sumicidin: (S)-alpha-cyano-3-phenoxy benzyl (S)-2-(4-chlorphenyl)-3 Methylbutanoic acid ester; Fenpropathrin: (RS)-alpha-cyano-3-phenoxy benzyl 2,2,3,3-4-methyl cyclopropane carboxylic acid ester; Cypermethrin: (RS)-alpha-cyano-3-phenoxy benzyl (1RS)-suitable, trans-3-(2,2-dichloroethylene)-2,2-dimethyl cyclopropane carboxylic acid's ester; Permethrin: 3-phenoxy benzyl (1RS)-suitable, trans-3-(2,2-dichloroethylene)-2,2-dimethylcyclopropanes-carboxylate; Cyhalothrin: (RS)-alpha-cyano-3-phenoxy benzyl (Z)-(1RS)-cis-3-(chloro-3,3, the 3-trifluoropropyl-1-thiazolinyls of 2-)-2,2-dimethyl cyclopropane carboxylic acid's esters; Decis: (S)-alpha-cyano-3-phenoxy benzyl (1R)-cis-3-(2,2-dibromo vinyl)-2,2-dimethyl cyclopropane carboxylic acid's ester; Cycloprothrin: the chloro-1-of (RS)-alpha-cyano-3-phenoxy benzyl (RS)-2,2-bis-(4-ethoxyl phenenyl)-cyclopropanecarboxylcompound; Fluvalinate (alpha-cyano-3-phenoxy benzyl N-(2-chloro-α, α, α-trifluoro-p-tolyl)-D-Val ester); Biphenthrin: (2-methyl biphenyl-3-ylmethyl) 0 (Z)-(1RS)-cis-3-(chloro-3,3, the 3-tri-fluoro-1-acrylic of 2-)-2,2-dimethyl cyclopropane carboxylic acid's esters; 2-methyl-2-(4-bromine difluoro-methoxy phenyl) propyl group (3-phenoxy benzyl) ether; Tralomethrin: (S)-alpha-cyano-3-phenoxy benzyl (1R-cis) 3 ((1'RS) (1', 2', 2', 2'-tetra-bromoethyl))-2,2-dimethyl cyclopropane carboxylic acid's esters; Silafluofene: 4-ethoxyl phenenyl (3-(the fluoro-3-Phenoxyphenyl of 4-) propyl group } dimethylsilane; D-phenothrin: 3-phenoxy benzyl (1R)-suitable, anti-)-chrysanthemum monocarboxylate; Cyphenothrin: (RS)-alpha-cyano-3-phenoxy benzyl (1R-is suitable, anti-)-chrysanthemum monocarboxylate, d-resmethrin: 5-benzyl-3-furyl methyl (1R-is suitable, anti-)-chrysanthemum monocarboxylate; Acrinathrin: (S)-alpha-cyano-3-phenoxy benzyl (1R-cis (Z))-(2,2-dimethyl-3-(oxo-3-(1,1,1,3,3,3-hexafluoro propyl group oxygen base) acrylic (cyclopropanecarboxylcompound; Cyfloxylate: (RS)-alpha-cyano-4-fluoro-3-phenoxy benzyl 3-(2,2-dichloroethylene)-2,2-dimethyl cyclopropane carboxylic acid's ester; Tefluthrin: 2,3,5,6-tetra-fluoro-4-methyl-benzyl (1RS-cis (Z))-3-(chloro-3,3, the 3-trifluoropropyl-1-thiazolinyls of 2-)-2,2-dimethyl cyclopropane carboxylic acid's esters; Transfluthrin: 2,3,5,6-ptfe benzyl (1R-is trans)-3-(2,2-dichloroethylene)-2,2-dimethylcyclopropanes-carboxylate; Tetramethrin: 3,4,5,6-tetrahydrochysene phthaloyl imino-methyl (1RS)-suitable, trans-chrysanthemum monocarboxylate; Allethrin: (RS)-3-pi-allyl-2-methyl-4-oxo ring penta-2-thiazolinyl (1RS)-suitable, trans-chrysanthemum monocarboxylate; Prallethrin: (S)-2-methyl-4-oxo-3-(2-propynyl) ring penta-2-thiazolinyl (1R)-suitable, trans-chrysanthemum monocarboxylate; Empenthrin: (RS)-1-acetenyl-2-methyl-2-pentenyl (1R)-suitable, trans-chrysanthemum monocarboxylate; Imiprothrin: 2,5-dioxo-3-(Propargyl) imidazolidine-1-ylmethyl (1R)-suitable; Trans-2,2-dimethyl-3-(2-methyl-1-propylene base)-cyclopropanecarboxylcompound; D-flumethrin (flamethrin): 5-(2-propynyl)-furfuryl group (1R)-suitable, trans-chrysanthemum monocarboxylate, or 5-(2-propynyl) furfuryl group 2,2,3,3-tetramethyl-ring propane-carboxylate.

Typical embodiment is that the first yarn comprises decis and the second yarn does not contain insecticide, insect repellent or chemosterilants.

Country's (climate type) is depended in the selection of insecticide and textile web account type (net account, mulching material, film), insect (climatic zone), the target (malaria insect or food damage insect) of these insects and the resistance type had.

Insect can develop resistance, and has observed mosquito and other biting insects and develop resistance to pyrethroid.In this case, advantageously replace pyrethroid with another insecticide with low mammalian toxicity or another insecticide of its another part is flooded by the part pyrethroid of net account material dipping.Combinations thereof can also be typically used as the strategy of delaying drug resistance development.Combination almost not or have no chance should think over when developing the insecticide of cross tolerance, such as to they one of resistance development also resistance is passed to another kind (even if two kinds of insecticides are different types).The above-mentioned standby insecticide selected or supplement can be compound such as organic phosphorus compound, such as: sumithion: O, O-dimethyl O-(4-nitro-m-tolyl) thiophosphate; Diazinon: O, O-diethyl-O-(2-isopropyl-6-methyl-4-pyrimidyl) thiophosphate; Pyridaphethione: O-(1,6-dihydro-6-oxo-1-phenylpyridine (phenylpyrazidin)-3-base) O, O-systox; Pyrimidine phosphoric acid (pirimiphos)-ethyl ester: O, O-diethyl O-(2-(diethylamino) 6-methyl-pyrimidin) thiophosphate; Pirimiphos-methyl: O-[2-(diethylamino)-6-methyl-4-pyrimidine radicals] O, O-dimethyl disulfide substituted phosphate; Etrimfos: O-6-ethyoxyl-2-ethyl-pyrimidin-4-base-O, O-dimethyl-thiophosphate, fenthion: O, O-dimethyl-O-[-3-methyl-4-(methyl mercapto) phenyl phosphorothioate, phoxim: 2-(diethoxy sulfo-phosphono oxygen base imino group)-2-phenylacetonitrile; Chlopyrifos: O, O-diethyl-O-(the chloro-2-pyrimidine radicals of 3,5,6-tri-) thiophosphate; Chlorpyrifos-methyl: O, O-dimethyl O-(3,5,6-trichloro-2-pyridyl) thiophosphate; Cynock: O, O-dimethyl O-(4-cyano-phenyl) thiophosphate; Pyraclofos: (R, S) [4-chlorphenyl)-pyrazoles-4-base] the n-propyl dithiocarbamate phosphate of-O-ethyl-S-; Orthene: O, S-acetylamino D2EHDTPA dimethyl ester; (6-chloro-2,3-dihydros-oxo-1,3-oxazole is [4,5-b] pyridin-3-yl methylphosphorothioate also for Jia Ji Bi Evil phosphorus: S-; Malathion: ester formed by mercapto succinic acid diethyl ester and phosphordithiic acid O, O-dimethyl esters; Swebate: (O, O ' (sulfo-two-4-1-phenylene) O, O, O, O-tetramethyl phosphorodithioate, Rogor: ((O, O-dimethyl S-(n-methylcarbamoylmethyl) phosphorodithioate, formothion: S [2-carbamoylmethyl is amino]-2-oxoethyl]-O, O-Methyl disulfide substituted phosphate; Phenthoate dimephenthoate cidial: O, O-dimethyl S-(α-ethoxy carbonyl benzyl)-phosphorodithioate.

In addition, the carbamate compounds that can use comprises compound, such as:

Alanycarb: S-methyl-N [[N-methyl-N-[N-benzyl-N (2-ethoxy-carbonyl ethyl) amino sulfenyl] carbamoyl] thioacetyl imino-ester; Evil worm prestige: 2,2-dimethyl-1,3-benzodioxole-4-base-methyl carbamate); Carbaryl (1-naphthyl N-methyl carbamate); Mobucin: 2-(1-Methylethyl) phenol methylcarbamate; Carbosulfan: 2,3 dihydro-2,2-dimethyl-7-benzofuranyl [(dibutylamino) sulfenyl] methyl carbamates; Fenoxycarb: ethyl [2-(4-phenoxy-phenoxy) ethyl] carbamate; Indoxacarb: chloro-2,3,4a, the 5-tetrahydrochysene-2-of methyl-7-[methoxycarbonyl group (-4-Trifluoromethoxyphen-l)]; Unden: 2-methyl carbamic acid isopropyl oxygen base phenol ester; Aphox: 2-dimethylamino-5,6-dimethyl-4-pyrimidine radicals-dimethylcarbamate; UC-51762 (thidiocarb): dimethyl N, N ' (the sub-amic acid esters (bisethanimidiothioate) of sulfenyl two ((methyl-imino) carbonyl oxygen base) two ethane sulfo-); Methomyl: S-N-((methylcarbamoyl) oxygen base) thioacetyl amino acid methyl esters; Ethiofencarb: 2-((ethylmercapto group) methyl) phenol methylcarbamate; Fenothiocarb: S-(4-phenoxy group butyl)-N, N-dimethylthiocarbamate; Cartap: S, S '-(2-5-dimethylamino) trimethylene) two (thiocarbamate) hydrochloride; Bassa: carbamic acid 2-secondary butyl phenenyl methyl ester; XMC: 3,5-3,5-dimethylphenyl-methyl carbamate; Meobal: 3,4-3,5-dimethylphenyl methyl carbamate.

What under using dosage, have lower mammalian toxicity is meaningful substitute compared with new pesticides, especially because vector insect seldom develops resistance to them.Above-mentioned new classification insecticide is aminopyrimidine (pyrimidifen), pyrazoles (ethiprole and fenpyroximate), pyroles (capillary), dicloproamid.Bromine worm clear (chlorphenapyr) is significant especially because its for experiment people such as (, 2005) Rowland although and onset slowly confirms it is significant.

When net account and other impregnated material are used for group movement, the standby insecticide selected or supplement can also be have sterile effect insecticide thus make mosquito sterile and stop offspring mosquito.Above-mentioned insecticide can be benzoyl urea, such as 1-(α-4-(chloro-α-cyclopropyl benzylideneamino-oxygen base)-p-tolyl)-3-(2, 6-difluoro benzoyl) urea, diflubenzuron: N-(((3, the chloro-4-(1 of 5-bis-, 1, 2, 2-tetrafluoro ethyoxyl) phenyl amino) carbonyl) 2, 6 difluorobenzamides, the chloro-N-of triflumuron: 2-(((4-(trifluoromethoxy) phenyl)-amino-) carbonyl) benzamide, or triazine, such as N-cyclopropyl-1, 3, 5-triazine-2, 4, 6-triamine or mosquito adult is had to other insecticide of sterile effect.

Insecticide herein can be selected to mix the first yarn, and each is all considered as independent embodiment of the present invention.

According to the present invention, insecticide can be selected from pyrethroid (decis, α-cypermethrin, permethrin), organophosphorus compounds, carbamates and anabasine (bromine worm clear (chlorphenapyr)) or its mixture.

Typical embodiment is that the first yarn comprises insecticide, is such as selected from pyrethroid; Carbamates.Especially insecticide is decis.

Another embodiment is that the first yarn comprises the insecticide being selected from capillary, permethrin and α-cypermethrin.

Another typical embodiment is that the first yarn comprises insecticide and is such as selected from pyrethroid, organophosphorus compounds, carbamates, anabasine, pyroles, pyridazine class (pyramidiamin) or pyrazoles or its mixture.

The special example of pyrazoles is ethiprole, the example capillary of pyroles or Imidacloprid, and the example of pyridazine class is pyridaben.

For insecticide " permethrin ", the amount of needs significantly higher (with in polyethylene with compared with decis or α-cypermethrin) to obtain sufficient biopotency (to meet the WHO testing scheme mentioned herein).

Olyset and a kind of polythene net account comprise 2%w/w permethrin, and product Netprotect (being also polyethylene) is containing 0.2%w/w insecticide decis.

Due to the insecticide of higher level, Olyset can be significantly more weak thus significantly lose intensity.As discussed herein, in order to compensate this loss of strength, technical staff can use thicker yarn to carry out compensation intensity loss, and this causes more high price cost and the Geng Gao gross weight of textile.

Can improve now prior art net account Olyset in the present invention: enough permethrins are mixed the first yarn and with not containing the second yarn types of insecticide, insect repellent or chemosterilants.The yarn types that technical staff can use the second yarn types to be such as made up of the pure HDPE not containing insecticide, insect repellent or chemosterilants now, and as openly can to comprise herein such as 70% kill the yarn total length used in insect textile product, and the first yarn types of the total length used of 30% comprises the insecticide of 2%w/w or higher.The Olyset net account of this improvement as disclosed more firmly approximately 10-50% herein, and more effectively goes out except insect and more cheap (lighter by the weight of such as pure HDPE yarn).

Insect repellent

The Sutable examples of insect repellent is selected from following insect repellent: Metadelphene (N, N-diethyl-m-toluamide), lemon scented gum essential oil and the p-alkane-3 of active component thereof, 8-glycol (PMD), Icaridin (icaridin), citronella oil, soybean oil and chinaberry oil.

Chemosterilants

Chemosterilants can be the apholate preventing mosquito from producing filial generation, thus also has colony's effect but there is no communication effect.

Chemosterilants is any compound, and it is used for destructive in command economy or causes the disease of disease (normally insect) to cause one of both sexes or all temporary transient or forever sterile, or to prevent the young ripe be stage of ripeness of possessing property function.Sterile insect cannot produce filial generation with the mating educating insect, and if the quantity of sterile insect keep constant, then the percentage of sterile insect increases, in each successive generation, produce less young.Depend on that it acts on, chemosterilants can be divided into the compound of two types.Antimetabolite such as amethopterin causes female insects sterile with aminopterin by preventing into ovum.In some kind, some dosage can stop egg hatching or larval maturation.Alkylating agent such as sterile phosphorus (tepa), sterile amine and sterile spy cause genetic material change in male and female reproduction cell and chromosome damage.

First side and the second side

Tradition is knitting always obtains the textile product with two sides; Be expressed as the first side and the second side herein.

Insect textile product of killing of the present invention has the first side and the second side and it is characterized in that, the first yarn is mainly positioned at the first side and the second yarn is mainly positioned at the second side.

Textile product of the present invention is as described herein comprises the first and second yarns.The summation of the first yarn rice amount knitting or that fabrication processes is used and the second yarn rice amount can be expressed as the yarn total amount being expressed as rice in final textile product.

Yarn total amount in textile product can be such as 100 meters long; Wherein 30 meters is the first yarn of the present invention and 70 meters is second yarns of the present invention, or conversely; 70 meters is the first yarn and 30 meters is second yarns.

Typical embodiment kills insect textile product, wherein not containing the second yarn types of insecticide, insect repellent or chemosterilants be 50-80%, more preferably 55-75% and most preferably 70% textile product in total use yarn rice of existing long.The preferred percent of the first and second yarns depends on required insecticide, insect repellent or chemical sterilant agent dose, and the final use of textile.

Exemplary embodiment is that the present invention kills insect textile product, and wherein the rice length ratio of the first yarn and the second yarn types is 1/99 to 99/1.

Typical embodiment is first yarn of 30% and second yarn of 70%.

According to the present invention, because out-of-proportion insecticide release, wherein whole releases of insecticide, insect repellent or chemosterilants are from the first yarn types, thus be improved kill insect textile product, it more effectively goes out except insect compared with prior art net account, and described prior art net account is with comprising the first yarn of insecticide and also comprising the second yarn of insecticide and two kinds of yarn types sprawled in textile product.

May prepare now according to the present invention and kill insect textile product, it has higher going out except effect compared with prior art net account.

Manufactured textile web account that is knitting or weaving contains mesh.They can have different size; Such as 136 orders or 200 orders, depend on that needs stop or prevent the size of the insect entered.This is described in US2992550.

Exemplary embodiment kills insect textile product, wherein kills insect textile product and have the first side and the second side, it is characterized in that the first yarn is mainly positioned at the first side and the second yarn is mainly positioned at the second side.

The method that preparation has the textile product of the first side and the second side is known to the skilled.Such as, describe the knitting scarf from two type yarns in US7634819.The bright PE yarn of 36 long filament of 50 daniers is used for main knitting outside fabric, to make surface to other fabric relative smooth, with 36 long filament texture PE yarns of 50 daniers be used for main on rear side of scarf or head side knitting, to make surface to the hair relative coarseness dressed.

Result is that layer of material has two kinds of visibly different sides.Known double Knitting Machinery can be used for knittingly of the present inventionly killing insect textile product.Other machinery of knitting warp raschel knit pattern also can be used for that preparation is of the present invention kills insect textile product.

Preparing the typical method killing insect textile product according to the present invention is use warp-knitting.

The amount of insecticide, insect repellent or chemosterilants

Typical embodiment of the present inventionly kills insect textile product, and the insecticide wherein in the first yarn is 1.0 to 100 grams of every kg textiles of insecticide.

Another embodiment of the present inventionly kills insect textile product, and the insect repellent wherein in the first yarn is 1.0 to 100 grams of every kg textiles of insect repellent.

Typical embodiment of the present inventionly kills insect textile product, and wherein the first yarn comprises insect repellent and EVA polymer (ethylene vinyl acetate) with the amount of 1.0 to 100 grams of every kg textiles of insect repellent.

Another embodiment of the present inventionly kills insect textile product, and the chemosterilants wherein in the first yarn is 1.0 to 100 grams of every kg textiles of chemosterilants.

Go out fully after wash and remove

What WHO (WHOPES scheme) recommended kills insect textile product such as net account needs the testing program by being described in WHO/CDS/WHOPES/GCD PP/2005 guide.

Another embodiment of the present inventionly kills insect textile product, and wherein the first yarn is included in and takes second place metapedes to go out except the insecticide of the amount of mosquito according to WHO/CDS/WHOPES/GCD PP/2005 guide washing at least 15.(see this paper embodiment 4).

The amount being enough to go out except mosquito after at least 15 washings depends on the type of selected insecticide.Can be such as the every kg textile of 25g permethrin when permethrin and can be 2-4g/kg in decis situation.

More firmly textile product

As shown in Examples below, although the total length of yarn in the textile product of 70% be comprise insecticide the first yarn and be the blended yarns be made up of HDPE and LDPE, and only 30% textile product in the yarn total length that uses be made up of pure polyethylene HDPE yarn (the second yarn types), tensile strength significantly improves.Increase the direct tolerance that tensile strength is textile product intensity.

According to the present invention, may prepare now and kill insect textile product, wherein kill insect textile product and have the first side and the second side, it is characterized in that, the first yarn is mainly positioned at the first side and the second yarn is mainly positioned at the second side.This net account more firmly and have the biopotency of improvement.

Typical embodiment of the present inventionly kills insect textile product, wherein, with comprise first yarn with insecticide, insect repellent or chemosterilants and kill insect textile product with second yarn with insecticide, insect repellent or chemosterilants and compare, textile product has bursting strength (bursting strength) value of higher at least 5 to 70%.

Typical embodiment be there is the first yarn types be at least made up of HDPE and LDPE mixture and the second yarn types be made up of nylon kill insect textile product, wherein the first and second yarns are knitting together.Above-mentioned textile product has very light weight (owing to there is nylon but not polyethylene), and this is the advantage of the cost of transportation reducing net account, and there is this net account more firmly at least 5-50% due to nylon.

Most preferred embodiment kills insect textile product, and itself and prior art kill more firm 25-50% compared with insect textile product.

The textile product that cost is lower

Embodiment

Embodiment 1: measure the method for killing insect textile product intensity

Method according to being described in Skovmand and Bosselmann Malaria Journal 2011,10:87 measures bursting strength and toughness, wherein describes and measures bursting strength and tensile strength in the two directions.The tensile strength of net account length and width is measured with a hook and pincers.

Bursting strength is measured according to European Norm International Standards Organization (ENISO) 13938-2.This test uses gas pressure means to determine bursting strength and the expansion of textile fabric before embrittlement.

Capture (grabs) tensile strength to measure according to testing standard ISO 13934-2 (Kang La Qiang Du – grasping means).This test maximum, force of grasping means determination textile fabric.By specifying the pawl of yardstick in fabric center of a sample part promptly, and extend until break with constant rate of speed.Record maximum, force.Hook (tensile) tensile strength is the modification capturing test, wherein hook is placed in pincers.At duration of test, hook is inserted in the order hole of net account.When pulling net account, hook will cause net account to break.Thus, be determined at the required power that hole torn out by net account.

Embodiment 2: remove or knock down the method for mosquito with going out in sufficient insecticide dosage measurement body: (according to WHO, the World Health Organization).

Term " enough dose " is defined as in this article: under standard WHO cone, the female mosquito in 50 3-4 days ages is exposed to textile (net account), often bores for 5, continue 3 minutes.At 24 hours later, account must be able to go out except at least 80% neurological susceptibility mosquito (without insecticide resistance) strain or in 60 minutes paralysis (be called and knock down) at least 95%.Mosquito remains in syrup cup in 25 ± 2 DEG C and 75 ± 10%RH, available 24 hours.

Alternatively, the female mosquito that grown up 5-8 days ages is released in glass tubing giving sufficient strength (square-section 25x25cm, 60cm are long).At each end of pipeline, the cage (expansion) of 25 square centimeters is installed and covers with polyester webs.In 1/3 length, place net sample by one-off card paperboard frame.The net surface that mosquito can contact is 400cm ²(20x20cm), nine holes of diameter 1cm a: hole is positioned at square central; Other eight equidistant and from border 5cm.In the shorter part of pipeline, placing bait (cavy for anopheles costalis), makes it move.In the end that pipeline divides compared with long portion in cage, introduce 100 female mosquitos at 18:00.Female mosquito freely circles in the air in the duct, but has to contact net account locate hole, subsequently by obtain bait.The next morning 9:00, shifts out mosquito from each several part and counts, and records lethality and blood fed state at once.Work mosquito be transferred to syrup cup and record delayed death rate at 24 hours later.Lethality is necessary at least 80% and blood feed suppresses at least 90%, and textile (net account) just has sufficient activity.(Guidelines for laboratoryand field testing of long lasting insecticidal mosquito nets,WHO/CDS/WHOPES/GCDPP/2005.11)。

Embodiment 3: the bursting strength of killing insect textile product (such as net account), described product has 70% also referred to as the polymeric blends (HDPE and LDPE) (herein the first yarn types) of blended yarns and 30% pure HDPE yarn (this paper the second yarn types).

Table 1: prepare two kinds and different kill insect textile product; Product A is made up of blended yarns (HDPE and LDPE is prior art), and product B (the present invention) is with the first yarn (blended yarns HDPE and LDPE containing insecticide) with not containing the pure HDPE yarn of insecticide.

Conclusion embodiment 1: more firmly net account

The insect product that kills prepared in embodiment 1 and test is prepared by traditional Raschel knitting method.As explained above, by using described method, from such as two different roller bearing (many roller bearings can be there is on the device) feed yarn.Herein, 70% from the first roller bearing the second yarn of insecticide (not containing) charging and 30% (comprising the first yarn of insecticide) from another roller bearing charging.The bursting strength of killing insect textile product is increased to 650kPa from 450, and by mm (increase of 50%), the gross weight of textile product keeps constant.Prior art can be instructed certainly, and in order to obtain the increase of bursting strength, technical staff can increase yarn thickness simply; But this can increase the weight of textile, the high cost of this textile product is significantly caused to transport.

In other words, the increase of bursting strength has been passed through with comprising the first yarn of insecticide and not realizing containing the second yarn of insecticide.

Embodiment 4: biologicall test (biopotency), prior art net account vs warp-knitting is that textile kills first yarn (blended yarns HDPE/LDPE) comprising insecticide of insect product and do not contain the yarn of insecticide (pure HDPE).

Table 2: kill the biopotency of insect textile product according to scheme WHO (WHO/CDS/WHOPES/GCD PP/2005 guide) test and measurement is gone out except effect (KD and lethality).The polymer composition killing insect product 461 and 462 is identical.The insect product that kills being called " polymer 463 " is the polymer composition different from 461 and 462.

From polymer composition 461,462 and 463, according to prior art with 70% the first yarn containing decis and 30% do not prepare respectively containing the warp-knitting of the second yarn ratio of insecticide, insect repellent or chemosterilants and kill insect textile product.

Conclusion embodiment 4:

Embodiment 4 clearly illustrates that biopotency improves.Go out and go out except effect except value (knocking down or lethality after washing according to WHOPES testing program 5 times and 15 times of measurement) shows 100% (whole insect death); By comparison, after 5 washings, the value of prior art textile web account is significantly lower (25-51%KD and 26-56% lethality).After 5 washings, stop test, reason is that 25-51%KD and 26-56% lethality to be gone out the tolerable injury level removed lower than minimum 80%, and it is the minimum tolerable injury level killing insect product according to the approval of WHOPES test plan.Under 80%, described product cannot be ratified for the protection of the mankind antimalarial proactive tool.

Embodiment 5: biologicall test (biopotency), prior art net account vs warp-knitting is that textile kills first yarn (blended yarns HDPE/LDPE) comprising insecticide of insect product and do not contain the yarn (pure HDPE) of insecticide.

Table 3: test the effect that 3 kinds of differences kill insect textile product according to WHO WHO/CDS/WHOPES/GCD PP/2005 guide.The polymer composition of 461 and 462 is identical, and the polymer composition of 463 was different from for 461 and 462 (adding additive).ND represents " undetermined ".There is provided and kill insect product, A represents side and B represents the second side.

Test table 3 and kill insect product:

461A-1 and 461B-1: as prior art instruction; First yarn with polymer composition 461 comprises insecticide and the second yarn also comprises insecticide, and knitting for killing insect textile product according to the known method (warp-knitting) of prior art.As the HDPE that blended yarns uses LDPE polymer and mixes with it, as be known in the art.

462A-2 and 462B-2: the present invention; First yarn comprises insecticide and the second yarn not containing insecticide, to be woven to by one withdrawal of needle to kill insect textile product by the blended yarns comprising the first yarn types of insecticide (decis of the present invention) of ratio 70% and the second yarn types of not containing insecticide.

463A-2 and 463B-2: the present invention; First yarn comprises insecticide and the second yarn not containing insecticide, to be woven to by one withdrawal of needle to kill insect textile product by the second yarn types of the first yarn types of ratio 70% and 30%.

462 and 463 is textile product, has the first yarn comprising insecticide and the second yarn not containing insecticide.The insecticide total concentration of every square metre is 68 grams/m2.Importantly the total amount of 68 grams/m2 can remain unchanged, and reason is that this is total allowance of ratifying to kill for the prior art of prevention of malaria purposes insect textile product.

Because a kind of yarn in the present invention's two kinds of yarns is not containing insecticide, the amount of the compensation insecticide in necessary first yarn is also the concentration of insecticide, increases by 1.5 to 2 times.

The insecticide amount existed in first yarn can change and depend on for the insecticide type in yarn.Technical staff can select the insecticide needing higher amount; The such as every kg textile of as many as 100 grams.This amount is determined by LC 50 value of selected insecticide.Malathion such as uses with the level of 20-40 gram of every kg textile, and such as this selected amount is directly involved in insecticide and goes out except the effect of mosquito.

A kind of embodiment is that the first yarn comprises 1.0 to 100 grams of insecticides.Another embodiment is that the first yarn comprises 1.0 to 85 grams of insecticides or 1.0 to 80 grams of insecticides, 1.0 to 75 grams of insecticides, or 1.0 to 70 grams of insecticides, 1.0 to 60 grams of insecticides, 1.0 to 50 grams of insecticides, 1.0 to 45 grams of insecticides, 1.0 to 40 grams of insecticides, 1.0 to 35 grams of insecticides, 1.0 to 30 grams of insecticides, 1.0 to 25 grams of insecticides, 1.0 to 20 grams of insecticides, 1.0 to 15 grams of insecticides, 1.0 to 10 grams of insecticides, 1.0 to 5.0 grams of insecticides and 1.0 to 2.0 grams of insecticides.

Another embodiment is that the first yarn comprises 1.0 to 5.0 grams of decis insecticides, more typically 2-3 gram of insecticide and the most typically 2.6 grams of every kg textiles of insecticide.

When the insecticide of 2-3 gram of concentration exists only in (and without insecticide in second yarn) in the first yarn, surface concentration is very high, and in this herein interpreted, observation and disclosed height go out except effect.Based on this, technical staff can select now, comprises the first yarn types of insecticide and does not contain the second yarn types of insecticide.

Embodiment 6: the bursting strength of prior art net account

Table 4: measure the bursting strength (net account) that prior art kills insect textile product; For 136 orders, the minimum 400kPa of being of bursting strength and the average brittle fracture intensity for the 200 order bursting strength minimum 500kPa. of being prior art net account are 450kPa.

Embodiment 7: bursting strength of killing insect textile product of the present invention

Numbering (the present invention)	Bursting strength (kPa)
		F.1	662
F.2(26m/m)	738
		F.2(48m/m)	657

Table 5: the bursting strength that the present invention kills insect net account is measured.

Conclusion:

Insect textile product of killing of the present invention is significantly more firm; Average prior art net account has the bursting strength of 450kPa; By comparison, the bursting strength of average net account of the present invention is 686kPa.This represents the improvement of intensity 34%.In the present invention, this net account is also not easy embrittlement, occurs that the chance of hole also reduces.

Lower cost

Disclosed hereinly kill insect textile web account (the first yarn has insecticide, with the blend compositions that may be HDPE and LDPE) and the preparation that is made up of pure HDPE of the second yarn more cheap, reason is that the second yarn cost be made up of pure HDPE is lower than the first yarn (being made up of the mixture of HDPE and LDPE).

Safer to user

Because the total amount (this embodiment is 80%) not containing insecticide second yarn is killed in insect product with being significantly present in more at high proportion of yarn total amount, and can by such as raschel knitting method be knitting, described in kill insect product there are the first side (1) and the second side (2).First side (1) has the insecticide that the insecticide of low dosage and Part II (2) have significantly more high dose.May be prepared now by the present invention and kill insect textile product, wherein the first side (1) (being also inner side) is used and is offside towards the mankind (people such as slept in tester) and the second side (2), is also outside.Thus, people is less exposed to insecticide.Described first side (1) and the second side (2) can also be used for screen window, and first side (1) wherein with lower insecticide dosage faces the second side (2) inside room and faces outside room.First the insect of attempting to enter room via screen window contacts the second side (2) that they land and is gone out and remove.

In another safer purposes, kill insect textile product for agricultural use.Textile web account usually in greenhouse as a part for wall or form side and ceiling.Can use and kill insect textile product, but must be connected to not containing the existing textile web account of any insecticide, reason has the risk of going out except honeybee, hornet or other beneficial insect.Because pollinate such as produces tomato, honeybee and hornet are beneficial insects.Other beneficial insect can be parasitoid.

According to the present invention, can set up and kill insect textile product (net account), but there is not the risk of going out except honeybee class, the secondary part that reason is insecticide in the face of the first side (1)-inner side (plant room or greenhouse) and there is higher insecticide dosage the second side (2) toward the outer side.

Clearly, the present invention is intended to develop the technical staff killing insect textile product to provide many new advantages.

Biopotency

Biologicall test confirms that the insect product that kills of the present invention is more effective.This can be exposed to being explained containing insecticide yarn of more high dose by mosquito.This can also advantageously prevent and treat resistant insects (the such as insect of anti-decis, is called KDR resistance mosquito, can due to be exposed to higher concentration decis and gone out except).

Bibliography

1.WHO:guidelines for laboratory and field testing of long lastinginsecticidal mosquito nets；WHO/CDS/WHOPES/GCD PP/2005guidelines.

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4.JP8302080A

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12.Oxborough；Annals of Tropical Medicine and Parasitology,vol.102,no.8,717-727(2008)

13.Skovmand and Bosselmann Malaria Journal 2011,10:87

14.US5732573

15.Spencer D,2001；knitting technology 3rd edition.Cambridge:Woodhead Publishing limited.

16.Journal of Textile and Apparel,Technology and Management,Volume 4,Issue 4,2005.

Claims (15)

1. kill insect textile product, comprise the first yarn types and the second yarn types, described first yarn types comprises insecticide, insect repellent or chemosterilants and described second yarn types does not contain insecticide, insect repellent or chemosterilants.

2. the textile product of claim 1, wherein the first yarn comprises the mixture of polyethylene polymer and the second yarn comprises and is selected from following polymer composition: HDPE (high density polyethylene (HDPE)), LDPE (low density polyethylene (LDPE)), the mixture of HDPE and LDPE, polyamide, polypropylene and polyester.

3. the textile product of claim 1 or 2, wherein the first yarn comprises the mixture of HDPE and LDPE and optional ceresine.

4. kill insect textile product any one of aforementioned claim, wherein said insect textile product of killing has the first side and the second side, and it is characterized in that, the first yarn is mainly positioned at the first side and the second yarn is mainly positioned at the second side.

5. kill insect textile product any one of aforementioned claim, the insecticide wherein in the first yarn is 1.0 to 100 grams of every kg textiles of insecticide.

6. kill insect textile product any one of aforementioned claim, wherein the length ratio of the first yarn types and the second yarn types is 1/99 to 99/1.

7. kill insect textile product any one of aforementioned claim, wherein comprising according to the first yarn after WHO/CDS/WHOPES/GCD PP/2005 guide washing at least 15 times the insecticide being enough to go out except the amount of mosquito.

8. kill insect textile product any one of aforementioned claim, wherein the second yarn comprises plasticiser additive, and it is incompatible with the insecticide be present in the first yarn types.

9. claim 8 kill insect textile product, wherein additive is selected from: flame-retardant additive, color additive, UV filtering agent, light relaxes additive, capsaicine muroid poisonous substance, repellent of murine and decompose other plasticizer stabilising additive of insecticide under polyethylene polymer exists.

10. the textile product any one of aforementioned claim, is selected from net account, mosquito-proof tester, heavy curtain, mat, wall covering textile, canvas, dress material, farm network account and screen window/door curtain.

11. claims 10 kill insect textile product, wherein killing insect textile product is tester for prevention of malaria.

Textile product any one of 12. aforementioned claims, wherein insecticide is selected from pyrethroid, organophosphorus compounds, carbamates, anabasine, pyroles, pyridazine class or pyrazoles or its mixture.

Insect textile product is killed any one of 13. aforementioned claims, wherein, with comprise first yarn with insecticide, insect repellent or chemosterilants and compare with the insect textile product of killing of second yarn with insecticide, insect repellent or chemosterilants, described textile product has at least 5 to 70% higher bursting strength values.

14. kill the method for insect textile product with the weaving or knitting equipment preparation with the first roller bearing and the second roller bearing, described textile product comprises the first yarn types and the second yarn types, described first yarn types comprises insecticide insect repellent or chemosterilants and described second yarn types containing insecticide, insect repellent or chemosterilants, comprises the steps:

I) preparation comprises the first yarn types of insecticide, insect repellent or chemosterilants,

Ii) the second yarn types is prepared,

Iii) the first yarn types be placed in be placed on the second roller bearing on the first roller bearing and by the second yarn types,

Iv) by the first yarn types and the second yarn types are dosed in knitting or Weaving device, the first and second yarn types are mixed into the hand-manipulating of needle and knit or weave,

Vi) preparation is obtained for cutting, making and be configured as the textile product of killing insect textile product, and

Vii) optionally, textile product cut, make and be configured as specific textile product namely.

The method of 15. claims 14, wherein said knitting be warp-knitting.