US20050132500A1 - Composition for impregnation of fibers, fabrics and nettings imparting a protective activity against pests - Google Patents
Composition for impregnation of fibers, fabrics and nettings imparting a protective activity against pests Download PDFInfo
- Publication number
- US20050132500A1 US20050132500A1 US10/740,428 US74042803A US2005132500A1 US 20050132500 A1 US20050132500 A1 US 20050132500A1 US 74042803 A US74042803 A US 74042803A US 2005132500 A1 US2005132500 A1 US 2005132500A1
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- Prior art keywords
- agents
- weight
- insecticide
- plastics material
- textile material
- Prior art date
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Links
- 0 [1*]C(=C[2*])C(C)=O Chemical compound [1*]C(=C[2*])C(C)=O 0.000 description 12
- RZCMFVQMQKCVEN-UHFFFAOYSA-N COCC(=O)CC(C)=O Chemical compound COCC(=O)CC(C)=O RZCMFVQMQKCVEN-UHFFFAOYSA-N 0.000 description 3
- LKMJVFRMDSNFRT-UHFFFAOYSA-N COCC1CO1 Chemical compound COCC1CO1 LKMJVFRMDSNFRT-UHFFFAOYSA-N 0.000 description 2
- NERYZIOIIPWCOQ-UHFFFAOYSA-L CCCCCCCCCCCCC1=CC=C(OC2=CC=CC=C2)C=C1.CS(=O)(=O)O[Na].CS(=O)(=O)O[Na] Chemical compound CCCCCCCCCCCCC1=CC=C(OC2=CC=CC=C2)C=C1.CS(=O)(=O)O[Na].CS(=O)(=O)O[Na] NERYZIOIIPWCOQ-UHFFFAOYSA-L 0.000 description 1
- GFJWPOSGSJWADU-UHFFFAOYSA-M CCCCCCCCOC(=O)CC(C(=O)CCCCCCCC)S(=O)(=O)O[Na] Chemical compound CCCCCCCCOC(=O)CC(C(=O)CCCCCCCC)S(=O)(=O)O[Na] GFJWPOSGSJWADU-UHFFFAOYSA-M 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
- A01N25/10—Macromolecular compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
- D06M15/273—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof of unsaturated carboxylic esters having epoxy groups
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/285—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
- D06M15/29—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides containing a N-methylol group or an etherified N-methylol group; containing a N-aminomethylene group; containing a N-sulfidomethylene group
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
- D06M15/568—Reaction products of isocyanates with polyethers
Definitions
- the present invention relates to an insecticide composition for application to a textile material or plastics material selected from the group consisting of fibers, fabric, knitgoods, nonwovens, netting material, foils, and tarpaulins, which composition comprises a mixture including at least one insecticide and/or at least one repellent, and at least one binder; an impregnated textile material or plastics material comprising at least one insecticide and/or at least one repellent, and at least one binder; processes for impregnation of a textile material or plastics material and a process for coating of a textile material or plastics material.
- Infectious diseases cause huge damages by debilitating or even killing humans and animals in many countries, especially in tropical countries.
- Many of these diseases e.g. malaria, dengue and yellow fever, lymphatic filariasis, and leishmaniasis
- insects Since many medical methods like vaccination or medical treatments are either impossible or too expensive or have been rendered ineffective due to spreading resistance against drugs, efforts have been concentrated on controlling the transmitting insects.
- Methods to control these insects comprise treating surfaces of huts and houses, air spraying and impregnation of curtains and bednets. The latter treatment is up to now mostly done by dipping the textile material into emulsions or dispersions of insecticides or spraying them onto the nets.
- WO 01/37662 discloses impregnated nettings or fabrics for insect or tick killing and/or repellent of an insect or tick comprising an insecticide and/or a repellent, and a film forming component reducing the wash off and degradation of the insecticide component from the netting or fabric by forming a water- and optionally an oil-resistant film.
- the film forming component preferably comprises one or more components selected from paraffin oil or wax derivatives, silicon derivatives, silicon oils or wax derivatives, and polyfluorocarbon derivatives.
- the netting or fabric is impregnated by adding a solution or a water emulsion of an insecticide and/or repellent and a film forming component successively (in two steps) or in one process step.
- WO 01/37662 is the insecticide and/or repellent dissolved in an organic solvent in the process for impregnation of a fabric or a netting.
- WO 03/034823 discloses an insecticide composition for application to a fabric material, which composition comprises a mixture including an insecticide, a copolymeric binder, that, after drying and while the fabric material is dry, imparts hydrophobicity to the insecticide, and a dispersing agent, that, after application of the composition to a fabric and upon wetting the fabric, reduces the hydrophobicity imparted to the insecticide by the binder to permit limited insecticide release.
- the copolymeric binder is prepared as a copolymer emulsion that is derived by an emulsion polymerization technique from monomers selected from at least one of the groups including a) vinyl esters of aliphatic acid having 1 to 18 carbon atoms, such as vinyl acetate and vinyl versatate; b) acrylic and methacrylic esters of an alcohol having 1 to 18 carbon atoms, such as butyl acrylate, 2-ethylhexylacrylate, and methyl acrylate: and c) mono- and di-ethylenically unsaturated hydrocarbons, such as styrene, and aliphatic diens, such as butadiene.
- monomers selected from at least one of the groups including a) vinyl esters of aliphatic acid having 1 to 18 carbon atoms, such as vinyl acetate and vinyl versatate; b) acrylic and methacrylic esters of an alcohol having 1 to 18 carbon atoms, such as butyl acrylate
- the preferred copolymeric binder is prepared by emulsion polymerisation of two different monomers.
- the insecticide composition of WO 03/034823 is applied to the fabric or netting by dipping, spraying, brushing, and the like. According to the examples the insecticides have to be dissolved In organic solvents before applying the insecticide composition to a fabric material.
- U.S. Pat. No. 5,631,072 discloses the manufacture of fabric intended to be made into washable garments, more specifically to the placement of an insecticide such as permethrin in the fabric by impregnation with polymeric binders and a cross-linking agent, or by surface coating with a polymeric binder and a thickening agent to improve the efficiency as an insect repellent and retention of the permethrin in the fabric as an effective insecticide through successive washings of the garments.
- suitable binders are acrylic binders and polyvinylacetate binders, which are not further specified.
- the amount of insecticide in the solutions for impregnation of the fabric is very high (1250 mg insecticide per m 2 ).
- an insecticide composition for application to a textile material or plastics material which composition comprises a mixture including
- the insecticide composition of the present invention may be in form of a solid or an aqueous formulation, wherein the aqueous formulation is preferred.
- insecticide composition of the present application provides wash resistance while permitting continuous release of the insecticide and/or repellent at a controlled rate, in order to provide the required bioavailability of the insecticide and/or repellent. It was found by the inventors that insecticide compositions comprising components A as well as B1A, B1B and B1C and/or B2 provide a very good wash resistance while permitting a continuous release of the insecticide and for repellent at a controlled rate.
- a textile material or plastics material is a material selected from the group consisting of fibers, fabric, knitgoods, nonwovens, netting material, foils, and tarpaulins.
- the insecticide composition of the present invention comprises in general 0.001 to 95% by weight preferably 0.1 to 45% by weight, more preferably 0.5 to 30% by weight, based on the weight of the insecticide composition, of at least one insecticide and/or repellent.
- the insecticide composition preferably comprises the following components, based on the solids content of the composition
- the aim of the invention is to control a variety of pests, such as ticks, cockroaches, bed bugs, mites, fleas, lice, leeches, houseflies, mosquitoes, and other flying and crawling insects.
- pests such as ticks, cockroaches, bed bugs, mites, fleas, lice, leeches, houseflies, mosquitoes, and other flying and crawling insects.
- the textile material or plastics material may be made form a variety of natural and synthetic fibers, also as textile blends in woven or non-woven form, as knit goods or fibers.
- Natural fibers are for example cotton, wool, silk, jute or hamp.
- Synthetic fibers are for example polyamides, polyesters, polyacryl nitrites, polyolefines, for example polypropylene or polyethylene, Teflon, and mixtures of fibers, for example mixtures of synthetic and natural fibers.
- Polyamides, polyolefins and polyesters are preferred. Polyethylen terephthalate is especially preferred.
- textile material or plastics material also discloses non-textile substrates such as leather, synthetic adaptions of leather, flocked fabrics, sheetings, foils and packaging material.
- nettings made from polyester, especially polyethylene terephthalate.
- the textile material or plastics material may be in form of coverings, for example mattresses, pillows, duvets, cushions, curtains, wall coverings and window and door screens.
- Further typical textile materials or plastics materials are tents, garments, such as socks, trousers, shirts, i.e. preferably garments used in body areas exposed to insecticide bites and the like.
- the nettings are for example used as bed nets for example mosquito nets, or for covering. Other applications are movable fences for the protection of humans and animals against airborne low-flying insects. Fabrics or nettings may be used for wrapping sacks, containers of food and feed thus protecting the material from attack by insects but avoiding direct contact with the insecticide-treated nets or fabrics.
- Treated foils or tarpaulins can be used on all human premises which are permanently or temporarily inhabited such as refugee camps.
- the insecticide composition of the present invention is particularly suitable for application to polyester nettings as used for mosquito nets.
- the insecticide composition of the present invention may be applied to textile materials or plastics materials before their formation into the desired products, i.e. while still a yarn or in sheet form, or after formation of the desired products.
- the insecticide and/or repellent is an insecticide and/or repellent with a fast paralyzing or killing effect of the insect and very low mammalian toxicity.
- Suitable insecticides and/or repellents are known by a person skilled in the art.
- Preferred insecticides and/or repellents of the insecticide composition of the present invention may be either one of a single insecticide and/or repellent or a mixture of insecticides and/or repellents selected from the group of insecticides and/or repellents that are suitable for application to a fabric material or a netting.
- This group of insecticides and/or repellents may include synthetic pyrethroids such as those known in the trade as alphacypermethrin, cyfluthrin, deltamethrin, ethofenprox and permethrin, other pyrothreids such as that known in the trade as bifenthrine and non-pyrethroids such as that known in the trade as carbosulphane.
- insecticides and repellants mentioned above have one or more chiral centers in their molecules, they may be applied as racemates, pure enantiomers or diastereomers or in chirally or diastereomerically enriched mixtures.
- the insecticide and/or repellent mentioned in the present invention also may be included in the insecticide composition as one of a water-based insecticide and/or repellent concentrate or a solvent, preferably an organic solvent, based insecticide and/or repellent concentrate or a concentrate based on a mixture of water and a solvent, preferably an organic solvent.
- Water-based concentrates may be in the form of suspensions or dispersions comprising suitable dispersing agents if necessary or in the form of emulsions comprising emulsifiers, solvents and co-solvents if appropriate.
- Nanoparticular insecticidal formulations may be obtained by dissolving solid solutions of insecticides in a polar organic solvent, e.g. poly vinyl pyrrolidone (PVP).
- the concentration of the insecticide and/or repellent in the water based or solvent based concentrates is in general between 0.5 to 60%, preferably 1 to 40%, more preferably 3 to 20%.
- insecticide and/or repellent forming part of the insecticide composition of the present invention may also be selected from other groups suitable for different applications.
- the particle size of the insecticide and/or repellent in water-based suspensions or dispersions is in general between 50 nm to 20 ⁇ m, preferably 50 nm to 8 ⁇ m, more preferably 50 nm to 4 ⁇ m, most preferably 50 nm to 500 nm.
- the acrylic binder is preferably obtainable by emulsion polymerization of
- the acrylic binder may comprise further additives as known by a person skilled in the art, for example film forming agents and plasticizers, e.g. adipate, phthalate, butyl diglycol, mixtures of diesters preparable by reaction of dicarboxylic acids and alcohols which may be linear or branched. Suitable dicarboxylic acids and alcohols are known by a person skilled in the art.
- the insecticide compositions comprising the specific binder as claimed in the present invention are wash resistant while permitting continuous release of the insecticide at a controlled rate, in order to provide the required bioavailability of the insecticide. It is not necessary to add for example a dispersing agent that, after application of the composition to a fabric and upon wetting of the fabric, reduces the hydrophobicity imparted to the insecticide by the binder to permit limited insecticide release.
- the insecticide composition of the present invention does therefore not comprise a dispersing agent in addition to the acrylic binder.
- acrylic binder is obtainable by emulsion polymerization of the following components:
- R 8 and R 9 are H and X is H, OH, NH 2 , OR 11 OH, glycidyl or a group of the formula
- R 11 is selected from the group consisting of C 1 - to C 10 -alkylene, for example methylene, ethylene, propylene, butylene, pentylene, hexylene, heptylene, octylene, nonylene, decylene; preferably C 1 - to C 4 -alkylene, for example methylene, ethylene, propylene, butylenes; substituted or unsubstituted arylenes, preferably substituted or unsubstituted C 6 - to C 10 -arylene, more preferably substituted or unsubstituted C 6 -arylene, for example phenylene;
- the acrylic binder of the present invention is obtainable by emulsion polymerization of the monomers mentioned before. Suitable process conditions are known by a person skilled in the art.
- the monomers are polymerized under usual conditions of temperature and pressure, i.e. at from atmospheric pressure to 10 bar and in general at temperatures of from 20 to 100° C., preferably 50 to 85° C., depending on the initiator used.
- temperature and pressure i.e. at from atmospheric pressure to 10 bar and in general at temperatures of from 20 to 100° C., preferably 50 to 85° C., depending on the initiator used.
- the polymerization is carried out in a stirred reaction vessel under an inert atmosphere.
- the copolymerization is generally carried out in water. However, it is also possible to add before, within or after the polymerization process up to80% by weight, relating to the aqueous phase, of a lower alcohol like methanol, ethanol or isopropanol or a lower ketone like acetone. Preferably the copolymerization is carried out in water without addition of further solvents.
- the polymerization process may be carried out continuously or batch-wise, and it is possible to employ the usual methods of batch-wise polymerization, e.g. mixing all polymerization components at once or feeding emulsified monomers and catalysts from one or more metering vessels to a batch containing a portion of a monomer. It is possible to add polymer seed to the polymerization mixture to adjust the particle size of the emulsion polymers obtained.
- the emulsion polymerization is preferably carried out in the presence at least one initiator which form radicals under the polymerization conditions.
- Suitable initiators are for example all common peroxy compounds or azo compounds.
- Suitable peroxides are for example alkali metal peroxodisulfates, for example sodium peroxodisulfate, ammonium peroxodisulfate; hydrogen peroxide; organic peroxides, for example diacetyl peroxide, di-tert-butyl peroxide, diamylperoxide, dioctanoyl peroxide, didecanoyl peroxide, dilauroyl peroxide, dibenzol peroxide, bis-(o-toloyl)peroxide, succinyl peroxide, tert-butyl peracetate, tert-butyl permaleinate, tert-butyl perpivalate, tert-butylperoctoate, tert-butyl perneodecanoate, tert-butyl perbenzoate, tert-butyl peroxide, tert-butyl hydroperoxide, cumene hydroperoxid
- the initiators are added in usual amounts, for example in an amount of 0.05 to 5% by weight, preferably 0.05 to 2% by weight, based on the tobal weight of monomers.
- redox catalysts for example, it is possible to use, in addition to the peroxide catalysts of the above kinds, from 0.05 to 2% by weight, based on the total of monomers, of reducing agents such as hydrazine, soluble oxidizable sulfoxy compounds such as alkali metal salts of hydrosulfites, sulfoxylates, thiosulfates, sulfites, and bisulfites, which may be optionally activated by the addition of traces of heavy metals, e.g. salts of Ce, Mo, Fe, and Cu, in the usual manner.
- reducing agents such as hydrazine
- soluble oxidizable sulfoxy compounds such as alkali metal salts of hydrosulfites, sulfoxylates, thiosulfates, sulfites, and bisulfites, which may be optionally activated by the addition of traces of heavy metals, e.g. salts of Ce, Mo,
- Preferred redox catalysts are redox catalysts of acetone disulfite and organic peroxides like tert-C 4 Hg—OOH; Na 2 S 2 O 5 and organic peroxides like tert-C 4 -Hg—OOH; or HO—CH 2 SO 2 H and organic peroxides like tert-C 4 Hg—OOH. Further preferred are redox catalysts like ascorbic acid and hydrogen peroxide.
- the initiator may be added completely at the beginning of the polymerization, but it is also possible to add the initiator in the course of the emulsion polymerization process In a continuous or stepwise way.
- the way of adding the initiator is known in the art.
- the polymerization process is carried out until a conversion of at least 95% by weight of the monomers is reached.
- For removal of the residual monomer at the end of the emulsion polymerization initiator may be added for chemical deodoration.
- the emulsion polymerization is carried out by adding emulsifiers or mixtures of emulsifiers known in the art.
- the emulsifiers generally used are ionic (anionic or cationic) and/or non-ionic emulsifiers such as polyglycolethers, sulfonated paraffin hydrocarbons, higher alkylsulfates such as oleyl amine, laurylsulfate, alkali metal salts of fatty acids such as sodium stearate and sodium oleate, sulphuric acid esters of fatty alcohols, ethoxylated C 8-12 -alkylphenols, usually having from 5 to 30 ethylene oxide radicals, and their sulfonation products, and also sulfosuccinic acid esters.
- the emulsifier or mixtures of emulsifiers are usually employed in an amount of 0.05 to 7% by weight, preferably 0.5 to 4% by weight, based on
- co-solvents are aliphatic C 1 - to C 30 -alcohols which are linear or branched, alicyclic C 3 - to C 30 -alcohols and mixtures thereof. Examples are n-butanol, n-hexanol, cyclohexanol, 2-etyhlexanol, i-octanole, n-octanole, n-decanole, n-dodecanole, stearyl alcohol, oleyl alcohol or cholesterol.
- co-solvents are alkane diol, ethylene glycol alkyl ethers, N-alkyl pyrrolidones, and N-alkyl and N,N-dialkyle acid amides like ethylene glycol monobutyl ether, diethylen glycol monoethyl ether, tetraethylen glycol dimethyl ether, N-methyl pyrrolidone, N-hexyl pyrolidone, di-ethyl acid amide or N-octyl acid amide.
- the co-solvents or mixture of co-solvent is added in an amount of 0 to 20% by weight, preferably 1 to 5% by weight.
- a protective colloid examples of which are polyvinyl alcohol, partially saponified polyvinyl acetates, cellulose derivatives, copolymers of methyl acrylate with acrylic amide and methylacrylic amide or vinyl pyrrolidine polymers in amounts of from 0.5 to 10% by weight and in particular 1.0 to 5% by weight of the weight of the monomers.
- monomers containing reactive or cross-linking groups are in particular the amides of ⁇ , ⁇ -olefinically unsaturated C 3-5 -carboxylic acids, particularly acryl amides, methacryl amides and maleic diamides, and their N-methylol derivatives such as N-methylol acrylic amide, N-methylol methacrylic amide, N-alkoxy methyl amides of ⁇ , ⁇ -monoolefinically unsaturated C 3-5 -carboxylic acids such as N-methoxy methacrylic amide and N-n-butoxymethylacrylic amide, vinyl sulfonic acid, monoesters of acrylic and methacrylic acids with alkanediols such as glycol, butanediol-1,4, hexane diol-1,6,
- the solids content of the aqueous dispersions of polymers obtained in the emulsion polymerization is usual 15 to 75% by weight, preferably 25 to 50% by weight.
- To obtain high space time yields of the reactor dispersions having a high solids content are preferred.
- To obtain solids contents of more than 60% by weight a bi- or polymodal particle distribution should be adjusted, because otherwise it is not possible to handle the dispersion, because of the high viscosity.
- New particle generations (for obtaining bi- or polymodel particle size distributions) are for example formed by addition of seed (EP-A 0 810 831), addition of an excess of emulsifier or addition of mini-emulsions. The formation of new particle generations may be carried out at any time and is depending on the desired particle size distribution for a low viscosity.
- the molecular weight of the non crosslinked emulsion polymers obtained is in general 40,000 to 250,000 (determined by GPC).
- the molecular weight is usually controlled by the use of conventional chain stoppers in conventional amounts.
- Conventional chain stoppers are for example sulfoorganic compounds.
- the acrylic binder of the present invention is obtained in form of its aqueous dispersion and is preferably employed in the insecticide compositions of the present invention in form of the aqueous dispersion.
- the polyurethane is preferably obtainable by reaction of the following components;
- the polyurethanes are prepared by methods known in the art. Further, additives as known by a person skilled in the art may be used in the process for preparing the polyurethanes.
- the insecticide composition of the present invention may further comprise one or more components selected from water, preservatives, detergents, fillers, impact modifiers, anti-fogging agents, blowing agents, clarifiers, nucleating agents, coupling agents, conductivity-enhancing agents (antistats), stabilizers such as anti-oxidants, carbon and oxygen radical scavengers and peroxide decomposing agents and the like, flame retardants, mould release agents, agents having UV protecting properties, optical brighteners, spreading agents, anti-blocking agents, anti-migrating agents, foam-forming agents, anti-soiling agents, thickeners, further biocides, wetting agents, plasticizers and film forming agents, adhesive or anti-adhesive agents, optical brightening (fluorescent whitening) agents, pigments and dye-stuffs.
- water preservatives, detergents, fillers, impact modifiers, anti-fogging agents, blowing agents, clarifiers, nucleating agents, coupling agents, conductivity-enhancing agents (anti
- the insecticide compositions of the present invention may be aqueous compositions comprising water or dry compositions, e.g. compositions which do not comprise water.
- the insecticide compositions are aqueous compositions, preferably comprising 0.1 to 45% by weight, more preferably 1 to 25% by weight of water, based on the total of the components in the insecticide compositions of the present invention except of water.
- Suitable anti-foam agents are for example silicon anti-foam agents.
- Suitable UV-protecting agents for protecting UV-sensitive insecticides and/or repellents are for example para-aminobenzoic acids (PABA), octylmethoxysinameth, stilbenes, styryl or benzotriazole derivatives, benzoxazol derivatives, hydroxy-substituted benzophenones, salicylates, substituted triazines, cinnamic acid derivatives (optionally substituted by 2-cyano groups), pyrazoline derivatives, 1,1′-biphenyl-4,4-bis-2-(methoxyphenyl)-ethenyl or other UV protecting agents.
- PABA para-aminobenzoic acids
- octylmethoxysinameth stilbenes
- styryl or benzotriazole derivatives benzoxazol derivatives
- Suitable optical brighteners are dihydroquinolinone derivatives, 1,3-diaryl pyrazoline derivatives, pyrenes, naphthalic acid imides, 4,4′-diystyryl biphenylene, 4,4′-diamino-2,2′-stilbene disulphonic acids, cumarin derivatives and benzoxazole, benzisoxazole or benzimidazole systems which are linked by —CH ⁇ CH-bridges or other fluorescent whitening agents.
- Typical pigments used in the insecticide compositions of the present invention are pigments which are used in pigment dyeing or printing processes or are applied for the coloration of plastics and are known by a person skilled in the art.
- Pigments may be inorganic or organic by their chemical nature.
- Inorganic pigments are mainly used as white pigments (e.g., titanium dioxide in the form of rutile or anatas, ZnO, chalk) or black pigments (e.g., carbon black). Colored inorganic pigments may be used as well but are not preferred because of potential toxicologic hazards. For imparting color, organic pigments or dyestuffs are preferred.
- Organic pigments may be mono or disazo, naphthol, benzimidazolone, (thio) indigoid, dioxazine, quinacridone, phthalocyanine, isoindolinone, perylene, perinone, metal complex or diketo pyrrolo pyrrole type pigments.
- Pigments may be used in powder or liquid form (i.e., as a dispersion).
- Preferred pigments are Pigment Yellow 83, Pigment Yellow 138, Pigment Orange 34, Pigment Red 170, Pigment Red 146, Pigment Violet 19, Pigment Violet 23, Pigment Blue 15/1, Pigment Blue 15/3, Pigment Green 7, Pigment Black 7.
- Other suitable pigments are known to a person skilled in the art.
- Typical dyestuffs which may be used in the present invention are vat dyes, cationic dyes and disperse dyes in powder or liquid form.
- Vat dyes may be used as pigments or following the vatting (reduction) and oxidation procedure. Using the vat pigment form is preferred.
- Vat dyes may be of the indanthrone type, e.g. C.I. Vat Blue 4, 6 or 14; or of the flavanthrone type, e.g. C.I. Vat Yellow 1; or of the pyranthrone type, e.g. C.I. Vat Orange 2 and 9; or of the isobenzanthrone (isoviolanthrone) type, erg. C.I.
- Vat Violet 1 or of the dibenzanthrone (violanthrone) type, e.g. C.I. Vat Blue 16, 19, 20 and 22, C.I. Vat Green 1, 2 and 9, C.I. Vat Black 9; or of the anthraquinone carbazole type, e.g. C.I. Vat Orange 11 and 15, C.I. Vat Brown 1, 3 and 44, C.I. Vat Green 8 and C.I. Vat Black 27; or of the benzanthrone acridone type, e.g. C.I. Vat Green 3 and 13 and C.I. Vat Black 25; or of the anthraquinone oxazole type, e.g. C.I.
- Vat Red 10 or of the perylene tetra carbonic acid diimide type, e.g. C.I. Vat Red 23 and 32; or imidazole derivatives, e.g. C.I. Vat Yellow 46; or amino triazine derivatives, e.g. C.I. Vat Blue 66.
- Other suitable vat dyes are known by a person skilled in the art.
- Typical disperse and cationic dyestuffs are known by a person skilled in the art.
- insecticide compositions of the present invention are insecticide compositions as mentioned before comprising at least one pigment and or at least one dyestuff.
- the insecticide compositions of the present invention preferably comprise 10 to 300% by weight, more preferably 20 to 150% by weight of the pigment and/or dyestuff relating to the total weight of the solids content of the insectcide and/or repellent.
- Textile material or plastics material to be Impregnated according to the present invention and by use of a composition as described in the present invention may be impregnated locally when the composition is delivered in the form a kit comprising the ingredients of the insecticide composition in a handy form.
- the present invention therefore relates to an insecticide composition as described in the present invention which is provided as a kit for impregnation by the end-user.
- the kit is adapted for preparing a solution or emulsion by adding water.
- the ingredients of the kit may accordingly be in form of a dry composition such as a powder, a capsule, a tablet, or an effervescent tablet.
- the kit comprises an emulsion wherein water is added by the end-user.
- the emulsion may be a micro-emulsion, which is generally very stable.
- the emulsion may be embodied in a capsule.
- the kit comprises at least the following ingredients:
- kits may obtain further ingredients as mentioned above, especially one or more compounds selected from preservatives, detergents, stabilizers, agents having UV-protecting properties, optical brighteners, spreading agents, anti-migrating agents, foam-forming agents, wetting agents, anti-soiling agents, thickeners, further biocides, plasticizers, adhesive agents, pigments and dyestuffs.
- Preferred kits comprise beside the insecticide and/or repellent and the acrylic binder and/or the polyurethane at least one pigment and/or at least one dyestuff. Preferred pigments and dyestuffs are mentioned before.
- the present invention relates to an impregnated textile material or plastics material for insect killing and/or repellence of an insect comprising
- Preferred insecticides and/or repellents and preferred acrylic binders and polyurethanes are mentioned before.
- Materials of the textile material or plastics material and preferred textile material or plastics material are also mentioned before.
- a typical amount of insecticide and/or repellent in the impregnated textile material or plastics material is from 0.01 to 10% (dry weight) of the (dry) weight of the fabric material or netting dependent on the insecticidal efficiency of the insecticide respectively the efficiency of the repellent.
- a preferred amount is between 0.05 and 7% by weight of the textile material or plastics material depending on the insecticide and/or repellent.
- the preferred amounts are between 0.1 and 3.5% of the weight of the textile material or plastics material.
- the preferred amount is from 0.1 to 6%.
- a typical amount for the acrylic binder and/or the polyurethane is from 0.001 to 10% by weight (dry weight) of the (dry) weight of the textile material or plastics material.
- the higher amount the insecticide of the specific type to be added the higher the concentration of the acrylic binder and/or the polyurethane so that the ratio between insecticide and acrylic binder and/or the polyurethane is approximately constant with a value depending on the insecticidal and migratory ability of the insecticide.
- Preferred amounts of acrylic bind r and/or polyurethane are from 0.1 to 5% by weight, more preferably 0.2 to 3% by weight of the (dry) weight of the textile material or plastics material.
- the impregnated textile material or plastics material according to the present invention further comprises one or more components selected from preservatives, detergents, stabilizers, agents having UV-protecting properties, optical brighteners, spreading agents, anti-migrating agents, foam-forming agents, wetting agents, anti-soiling agents, thickeners, further biocides, plasticizers, adhesive agents, pigments and dyestuffs. Suitable examples of the components mentioned above are known by a person skilled in the art.
- the impregnated textile material or plastics material comprises besides the at least one insecticide and/or repellent and the at least one acrylic binder and/or polyurethane as described before and/or at one pigment and/or at least one dyestuff.
- the amount of the at least one pigment is in general from 0.05 to 10% by weight, preferably 0.1 to 5% by weight, more preferably 0.2 to 3.5% by weight of the (dry) weight of the textile material or plastics material.
- the amount of the at least one dyestuft is in general from 0.05 to 10% by weight, preferably 0.1 to 5% by weight, more preferably 0.2 to 3.5% by weight of the (dry) weight of the textile material, or plastics material.
- the textile material or plasti material comprises preferably either at least one pigment or at least one dyestuff. Suitable pigments and dyestuffs are mentioned before.
- the present invention relates to a process for impregnation of a textile material or plastics material comprising
- an aqueous formulation may be a solution, an emulsion or a suspension/dispersion.
- the aqueous formulation preferably comprises the insecticide composition as disclosed in the present invention, which is preferably employed in form of an aqueous formulation.
- Suitable textile materials or plastics materials are mentioned before.
- Preferred insecticides and/or repellents used are also defined before as well as preferred acrylic binders and/or polyurethanes.
- the impregnation is carried out in an aqueous formulation. It is not necessary to add any organic solvents.
- the treatment bath is a an aqueous formulation which does not comprise any further solvents, especially no organic solvents.
- the textile material or plastics material of the present invention may be used in close contact to the human body.
- the textile material or plastics material impregnated by the method of the present invention does not comprise any organic solvent residue which is beneficial both from a human toxicological and an ecological point of view.
- the aqueous formulation employed in the impregnation process may further comprise one or more ingredients selected from the group consisting of preservatives, detergents, stabilisers, agents having UV-protecting properties, spreading agents, anti-migrating agents, foam-forming agents, wetting agents, anti-soiling agents, thickeners, further biocides, plasticizers, adhesive agents, pigments and dyestuffs.
- the aqueous formulations employed for impregnation of the textile material or plastics material comprise in addition to the at least one insecticide and/or repellent and the at least one acrylic binder and/or at least one polyurethane at least one pigment and/or at least one dyestuff.
- These aqueous formulations are suitable for impregnation of the textile material or plastics material with at least one insecticide and/or repellent and additionally coloring the textile material or plastics material at the same time.
- Many of the textile materials or plastics materials which are impregnated with at least one insecticide and/or repellent are preferably colored.
- the process of the present invention it is possible to color and impregnate the textile material or plastics material with an insecticide and/or repellent at the same time.
- the method of the present invention is therefore very economical, because the coloring and impregnation with an insecticide and/or repellent is carried out in one step.
- the present invention therefore relates to a process for impregnation of a textile material or plastics material as described before, wherein the dyeing of the textile material or plastics material is carried out simultaneously with the impregnation of the textile material or plastics material, wherein an aqueous formulation is formed further comprising at least one dyestuff and/or at least one pigment.
- Suitable amounts of pigments are in general 0.01 to 20% by weight, preferably 0.1 to 10% by weights, more preferably 0.2 to 5% by weight, based on the weight of the aqueous formulation used for impregnation.
- Suitable dyestuffs are employed in general in an amount of from 0.01 to 20% by weight, preferably 0.1 to 10% by weight, more preferably 0.2 to 5% by weight, based on the weight of the aqueous formulation used for impregnation.
- Step i) Forming an Aqueous Formulation Comprising an Insecticide and/or Repellent and at Least One Acrylic Binder and/or at Least One Polyurethane and Optionally Further Ingredients
- the aqueous formulation is formed by mixing all ingredients necessary for impregnation of the textile material or plastics material with water.
- the aqueous formulation is generally formed at temperatures of from 10 to 70° C., preferably 15 to 50° C., more preferably 20 to 40° C.
- Suitable aqueous formulations comprise an insecticide composition for application to a textile material or plastics material as described in the present invention.
- Step ii) Applying the Aqueous Formulation Comprising an Insecticide and/or Repellent and at Least One Acrylic Binder and/or at Least One Polyurethane and Optionally Further Ingredients to the Textile Material or Plastics Material
- the insecticide composition is applied by passing the textile material or plastics material through the aqueous formulation. This step is known by a person skilled in the art as padding.
- the textile material or plastics material is completely submerged in the aqueous treatment liquor (aqueous formulation) either in a trough containing the liquor or passed through the treatment bath (aqueous formulation) which is held between two horizontally oriented rollers.
- the textile material or plastics material may either be passed through the aqueous formulation or the aqueous formulation may be passed through the textile material or plastics material.
- These processes are preferred for impregnating open-width material which is later tailored into nets. For small-scale production or re-impregnating of non-treated nets, use of a simple hand-held roller might be sufficient.
- Suitable one-side only-coating application methods are for example knife-/doctor-blade-coating, roller coating or screen-printing. By this methods it is possible to impregnate only one side of the textile material or plastics material which is advantageous, if e.g. direct contact of the human skin with insecticide-treated material is to be avoided.
- Knife-/doctor-blade-coating systems are for example knife-over-air-systems, knife-over-roller systems, knife-over-table systems or knife-over-rubber-belt systems. Further knife coating systems are for example commabar or Mayerbar knife systems.
- Roller-coating systems are for example kiss-coating systems with one, two, three or more rollers, reverse-roll-coater systems and raster roll systems.
- at least one roller is partly dipped into the aqueous formulation thus applying the aqueous formulation to the side of the textile material or plastics material in contact with the roller (kiss-rolling).
- Screen-printing systems are for example rotary-screen printing systems and flat-screen printing systems. With these applications methods a dot coating or a full-surface coating can be applied to the textile material or the plastics material, for example by using an additional whisper-blade behind the rotary-screen.
- aqueous formulations to the textile material or plastics material by double-side coating application methods, for example double-side knife-coating systems, foulard with two air-knifes or foulard with squeezing rollers.
- aqueous formulation by spraying the solution or emulsion onto the textile material or plastics material.
- emulsion in the form of a foam which is applied to the textile material or plastics material.
- a foam comprises less water than the solution or emulsion mentioned above. The drying process may therefore be very short.
- aqueous formulation onto the textile material or plastics material by submerging the textile material or plastics material into the aqueous formulation, brushing the aqueous formulation onto or into the textile material or plastics material, or pouring the aqueous formulation onto the textile material or plastics material. Said methods are known by a person skilled in the art.
- Impregnation of the fabric material or netting in step iia), iib), iic), iid), iie), iif), iig), or iih) is carried out at temperatures of in general from 10 to 70° C., preferably 15 to 50° C., more preferably 20 to 40° C.
- the surplus aqueous formulation is usually removed by squeezing the textile material or plastics material, preferably by passing the textile material or plastics material rollers as known in the art, preferably by means of doctor blade, thus achieving a defined liquor uptake.
- the squeezed-off liquor is usually re-used.
- the surplus aqueous formulation may alternatively be removed by centrifuging or vacuum suction.
- the drying is in general carried out temperatures below 200° C. Preferred temperatures are from 50 to 170° C., more preferably from 70 to 150° C.
- the temperature choice is a function of the evaporation temperature and mobility of the insecticide in the formulation.
- drying process may be a passive drying as the process may be carried out in rather hot climates.
- An active drying process would normally be performed during high scale processing.
- the impregnated textile material or plastics material is optionally finally cured and/or fixated.
- a person skilled in the art knows how to carry out a curing and/or fixation.
- the curing process in general carried out at a temperature which may be higher than the drying temperature.
- Preferred temperatures for curing are 70 to 170° C., more preferably 80 to 150° C. Drying and curing can be advantageously be performed during one single process, e.g. in stenters with different compartments which can be heated to different temperatures. If a reactive crosslinking agent is used temperatures may be lower.
- the curing process may also include or consist of passing the textile material or plastics material by a heated surface under pressure such as an iron or a heated roller.
- a heated surface such as an iron or a heated roller.
- the textile material or plastics material is preferably mechanically fixated in a way to prevent change of the form e.g. shrinkage or dimensional deformation. Further, is is prevented that the insecticide and/or repellent is washed out.
- the acrylic binder and the polyurethane may advantageously be amplified with a fixative agent for improved attachment of the insecticide and/or repellent on the textile material or plastics material.
- the fixative agent may comprise free isocyanate groups.
- the solution or emulsion may further comprise one or more components selected from water, preservatives, detergents, fillers, impact modifiers, anti-fogging agents, blowing agents, clarifiers, nucleating agents, coupling agents, conductivity-enhancing agents (antistats), stabilizers such as anti-oxidants, carbon and oxygen radical scavengers and peroxide decomposing agents and the like, flame retardants, mould release agents, agents having UV protecting properties, spreading agents, anti-blocking agents, anti-migrating agents, foam-forming agents, anti-soiling agents, thickeners, further biocides, wetting agents, plasticizers, adhesive or anti-adhesive agents, optical brightening (fluorescent whitening) agents, pigments and dyestuffs.
- one or more components selected from water, preservatives, detergents, fillers, impact modifiers, anti-fogging agents, blowing agents, clarifiers, nucleating agents, coupling agents, conductivity-enhancing agents (antistats), stabilizer
- the process may also involve using the kit as described before, accordingly, the impregnation process may be carried out by the end-user in a low-scale process.
- the present invention therefore relates to a process for impregnating a fabric material or netting as described before, wherein the impregnating composition is provided as a kit for impregnation by the end-user.
- the impregnation process which comprises applying an insecticide composition as described before may also take place before the fibers are woven or knitted.
- the invention relates to a process for coating a textile material or plastics material by applying a composition comprising at least one insecticide and/or at least one repellent and at least one acrylic binder and/or at least one polyurethane as defined in the present invention to the textile material or plastics material.
- the coating is preferably carried out in a doctor-blade process.
- the process conditions are known by a person skilled in the art.
- compositions for coating a textile material or plastics material and preferred further ingredients of the composition are already mentioned above.
- the aqueous bath and the aqueous formulation comprising at least one insecticide and/or repellent preferably do not comprise a binder or a polyurethane.
- Suitable textile materials and plastics materials are the textile materials and plastics materials described before. Suitable insecticides and/or repellents are also mentioned before.
- Suitable further additives are preferably selected from preservatives, detergents, fillers, impact modifiers, anti-fogging agents, blowing agents, clarifiers, nucleating agents, coupling agents, conductivity-enhancing agents (antistats), stabilizers such as antioxidants, carbon and oxygen radical scavengers and peroxide decomposing agents and the like, flame retardants, mould release agents, agents having UV protecting properties, optical brighteners, spreading agents, anti-blocking agents, anti-migrating agents, foam-forming agents, anti-soiling agents, thickeners, further biocides, wetting agents, plasticizers and film forming agents, adhesive or anti-adhesive agents, optical brightening (fluorescent whitening) agents, pigments and dyestuffs.
- preservatives detergents, fillers, impact modifiers, anti-fogging agents, blowing agents, clarifiers, nucleating agents, coupling agents, conductivity-enhancing agents (antistats), stabilizers such as antioxidants, carbon and oxygen
- the present invention therefore preferably relates to a process as mentioned above, wherein the aqueous bath comprises as further additives one or more components selected from preservatives, detergents, fillers, impact modifiers, anti-fogging agents, blowing agents, clarifiers, nucleating agents, coupling agents, conductivity-enhancing agents (antistats), stabilizers such as anti-oxidants, carbon and oxygen radical scavengers and peroxide decomposing agents and the like, flame retardants, mould release agents, agents having UV protecting properties, optical brighteners, spreading agents, anti-blocking agents, anti-migrating agents, foam-forming agents, anti-soiling agents, thickeners, further biocides, wetting agents, plasticizers and film forming agents, adhesive or anti-adhesive agents, optical brightening (fluorescent whitening) agents, pigments and dyestuffs.
- preservatives detergents, fillers, impact modifiers, anti-fogging agents, blowing agents, clarifiers, nucleating
- the insecticide and/or repellent forming part of the aqueous formulation added in step ii) also may be in form of a water-based insecticide and/or repellent concentrate or a solvent, preferably an organic solvent, based insecticide and/or repellent concentrate or a concentrate based on a mixture of water and a solvent, preferably an organic solvent
- Water-based concentrates may be in the form of suspensions or dispersions comprising suitable dispersing agents if necessary or in the form of emulsions comprising emulsifiers, solvents and co-solvents if appropriate.
- Nanoparticular insecticidal formulations may be obtained by dissolving solid solutions of insecticides in a polar organic solvent, e.g. poly vinyl pyrrolidone (PVP).
- the concentration of the insecticide and/or repellent in the water based or solvent based concentrates is in general between 0.5 to 60%, preferably 1 to 40%, more preferably 3 to 20%.
- the particle size of the insecticide and/or repellent in waterbsed suspensions or dispersions is in general between 50 nm to 20 ⁇ m, preferably 60 nm to 8 ⁇ m, more preferably 50 nm to 4 ⁇ m, most preferably 50 nm to 500 nm.
- the aqueous formulation which is added in step ii) comprising at least one insecticide and/or repellent preferably comprises 0.1 to 45% by weight of water, preferably 1 to 25% by weight of water, based on the total of the components in the insecticide except of water.
- the aqueous bath is contained in a pressure-proof vessel.
- Suitable pressure-proof vessels are known by a person skilled in the art.
- the liquor ratio which is the weight-ratio between the amount of the textile material or plastics material and the amount of liquid of the aqueous bath, is preferably from 1:3 to 1:50, more preferably from 1:5 to 1:30, most preferably 1:20 (i.e. 1 kg textile material or plastics material in 20 liters of the aqueous bath).
- the pH of the aqueous is preferably set slightly acidic, preferably from 3 to 6, more preferably from 4 to 5.
- Suitable additives for setting the pH to the desired value are known by a person skilled in the art.
- aqueous formulation comprising at least one insecticide and/or repellent
- aqueous formulation comprising at least one insecticide and/or repellent
- Suitable aqueous formulations comprising at least one insecticide and/or repellent are mentioned before.
- the aqueous bath is heated to a temperature of 100 to 140° C. and the temperature is kept for 20 to 120 minutes.
- the aqueous bath is heated to a temperature of 110 to 130° C., more preferably 120 to 130° C.
- the temperature of the aqueous bath is preferably kept for 20 to 90 minutes, more preferably for 30 to 60 minutes.
- the aqueous bath may be heated by any suitable means known by a person skilled in the art.
- step iv) the aqueous bath is cooled and drained. Further, the impregnated textile material or plastics material is rinsed and dryed. Preferably, the aqueous bath is cooled to 90 to 50° C., more preferably to 80 to 60° C.
- the draining of the bath is carried out by any method known by a person skilled in the art. After the draining the impregnated textile material or plastics material is rinsed, preferably with warm and/or cold water. Finally the impregnated textile material or plastics material obtained is dried by any method known by a person skilled in the art.
- the exhaust processor impregnation of a textile material or plastics material of the present invention is therefore preferably carried out as follows:
- the textile material or plastics material is placed in an aqueous bath contained in a pressure-proof vessel in a liquor ratio of in general from 1:3 to 1:50, preferably from 1:5 to 1:30, more preferably 1:20 (i.e. 1 kg netting in 20 liters).
- the pH is set slightly acidic (in general 3-6, preferably 4-5).
- the aqueous formulation of the insecticide and/or repellent is added preferably as a suspension or emulsion and the bath was heated to in 100 to 140° C., preferably 100 to 130° C., more preferably 120 to 130° C. The temperature was kept for 20-120 minutes, preferably 20 to 90 minutes, more preferably 30 to 60 minutes.
- the treatment liquor is cooled to 90 to 50° C., more preferably to 80 to 60° C. and subsequently the bath is drained.
- the treated material is rinsed with warm and cold water, respectively and is dried.
- Steps i) to iv) of the impregnation process are described in detail above.
- netting material made from PET (polyethylene terephthalate) fibers, complying with WHO-Roll Back Malaria “Specifications for netting materials” (Geneva, 2001) is employed.
- the netting material is treated with Alpha-Cypermethrin using different treatment processes, as indicated below. Dosages of Alpha-Cypermethrin are 25, 100, 200 mg/m 2 , respectively. Samples A are unwashed, samples B are washed by the “Montpellier method”, samples C have been washed once, samples D have been washed 3 times, and samples E have been washed 5 times according to the procedure given below.
- feed 1 comprising the monomers mentioned below and feed 2 is started.
- Feed 2 comprises 3.0 g sodiumperoxidsulfate dissolved in 39.9 g of water.
- composition of feed 1 is listed in table 1.
- Feed 1 and 2 are added in 3 h, and it was polymerized for further 0.5 h.
- Monomer BMA- compositions MMA S AN EHA BA EA HPMA GMA MaMol AMol AM AS Fl-1 Acac A 1 27.0 3.1 65.0 2.0 1.0 1.9 A 2 23.9 5.0 5.3 60.0 1.2 0.6 4.0 A 3 16.6 30.0 30.0 20.0 3.0 0.4 A 4 25.7 5.0 5.3 60.0 3.5 0.5 A 5 14.7 11.0 70.0 3.5 0.5 0.3 A 6 30.0 13.0 8.0 45.2 3.0 0.5 0.3 A 7 30.0 13.0 8.0 44.5 0.5 0.3 3.7 A 8 33.0 60.0 3.9 1.0 0.5 1.6 A 9 20.0 20.0 17.0 23.0 15.3 3.5 1.2 A 10 20.0 20.0 17.0 23.0 15.3 0.4 0.3 4.0 A 11 10.0 10.0 25.5 50.0 2.5 2.0 A 12 10.0
- the amount of initiator sodium peroxidisulfate is 0.3 parts by weight
- the emulsifier comprises 0.4 parts by weight of Dowfax 2A1 (Dow) und 0.6 parts by weight of Lumiten IRA (BASF AG), relating to 100 parts by weight of the monomer composition of table 1.
- GMA glycidylmethacrylate
- HPMA hydroxypropyl methacrylate
- Aqueous polymer dispersions comprising FI-1 polymerizable photo initiator which is later useful as crosslinking agent is a photo initiator of formula
- the MTKD is the time it takes for the middle mosquito (the 6 th mosquito of the 11 exposed) to be knocked down.
- the mosquito can be left in the cone and the time to KD recorded for each individual mosquito until the 6 th of 11 insects (median) goes down. Each KD mosquito is removed as it goes down to prevent recounting that insect if it once again flies. All mosquitoes are then held as described previously for a 24-hour KD count.
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Priority Applications (22)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/740,428 US20050132500A1 (en) | 2003-12-22 | 2003-12-22 | Composition for impregnation of fibers, fabrics and nettings imparting a protective activity against pests |
SI200431780T SI1697578T1 (sl) | 2003-12-22 | 2004-12-21 | Sestavek za impregnacijo vlaken, tekstilij in mreĺ˝ vsebujoäś zaĺ äśitno aktivnost proti ĺ kodljivcem |
AP2006003655A AP2115A (en) | 2003-12-22 | 2004-12-21 | Composition for the impregnation of fibers, fabrics and nettings imparting a protective activity against pests |
PT101913523T PT2325385T (pt) | 2003-12-22 | 2004-12-21 | Composição para impregnação de fibras, tecidos e redes que conferem uma atividade protetora contra pragas |
BRPI0417096A BRPI0417096B1 (pt) | 2003-12-22 | 2004-12-21 | composição inseticida ou repelente, material têxtil ou material plástico impregnados, processos para impregnar um material têxtil ou material plástico, e uso de uma composição inseticida ou repelente |
CN2004800385615A CN101309583B (zh) | 2003-12-22 | 2004-12-21 | 用于浸渍纤维、织物和网以赋予对抗害虫的保护活性的组合物 |
PL04804134T PL1697578T3 (pl) | 2003-12-22 | 2004-12-21 | Kompozycja do impregnowania włókien, tkanin i siatek nadająca działanie ochronne przed szkodnikami |
BR122015000898A BR122015000898B1 (pt) | 2003-12-22 | 2004-12-21 | composição inseticida ou repelente, material têxtil ou material plástico impregnados, processo para impregnar um material têxtil ou material plástico, e, uso de uma composição intseticida ou repelente |
PT04804134T PT1697578E (pt) | 2003-12-22 | 2004-12-21 | Composição para inpregnação de fibras, tecidos e redes integrando uma atividade protetora contra pragas |
EP04804134A EP1697578B1 (en) | 2003-12-22 | 2004-12-21 | Composition for the impregnation of fibers, fabrics and nettings imparting a protective activity against pests |
EP10191352.3A EP2325385B1 (en) | 2003-12-22 | 2004-12-21 | Composition for the impregnation of fibers, fabrics and nettings imparting a protective activity against pests |
AT04804134T ATE522654T1 (de) | 2003-12-22 | 2004-12-21 | Zusammensetzung zur eine schutzwirkung gegen schädlinge verleihenden imprägnierung von fasern, textilen flächengebilden und netzen |
PCT/EP2004/014536 WO2005064072A2 (en) | 2003-12-22 | 2004-12-21 | Composition for the impregnation of fibers, fabrics and nettings imparting a protective activity against pests |
US10/596,677 US20070196412A1 (en) | 2003-12-22 | 2004-12-21 | Composition for the impregnation of fibers, fabrics and nettings imparting a protective activity against pests |
MYPI20045272A MY163973A (en) | 2003-12-22 | 2004-12-21 | Composition for the impregnation of fibers, fabrics and nettings imparting a protective activity against pests |
JP2006546037A JP4625020B2 (ja) | 2003-12-22 | 2004-12-21 | 有害生物に対する保護活性を付与する繊維、織物及び網製品の含浸用の組成物 |
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ZA200605047A ZA200605047B (en) | 2003-12-22 | 2006-06-20 | Composition for the impregnation of fibers, fabrics and nettings imparting a protective activity against pests |
CY20111101132T CY1112676T1 (el) | 2003-12-22 | 2011-11-22 | Συνθεση για τον εμποτισμο των υφασματων ινων, και πλεγματων που εξασκουν προστατευτικη δραστικοτητα κατα των παρασιτων |
PH12012501343A PH12012501343B1 (en) | 2003-12-22 | 2012-06-28 | Composition for the impregnation of fibers, fabrics and nettings imparting a protective activity against pests |
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Also Published As
Publication number | Publication date |
---|---|
BR122015000898B1 (pt) | 2016-02-10 |
CN101309583B (zh) | 2012-05-23 |
ZA200605047B (en) | 2007-12-27 |
MY163973A (en) | 2017-11-15 |
US20070196412A1 (en) | 2007-08-23 |
TW200601968A (en) | 2006-01-16 |
BRPI0417096B1 (pt) | 2015-12-29 |
WO2005064072A3 (en) | 2007-04-05 |
PL1697578T3 (pl) | 2012-01-31 |
ATE522654T1 (de) | 2011-09-15 |
WO2005064072A2 (en) | 2005-07-14 |
JP4625020B2 (ja) | 2011-02-02 |
EP2325385A1 (en) | 2011-05-25 |
TWI367072B (en) | 2012-07-01 |
EP1697578B1 (en) | 2011-08-31 |
PT1697578E (pt) | 2011-10-20 |
AP2115A (en) | 2010-03-04 |
PH12012501343A1 (en) | 2015-07-27 |
SI1697578T1 (sl) | 2011-12-30 |
BRPI0417096A (pt) | 2007-03-13 |
AP3058A (en) | 2014-12-31 |
ES2372820T3 (es) | 2012-01-26 |
EP2325385B1 (en) | 2017-10-04 |
PT2325385T (pt) | 2018-01-03 |
EP1697578A2 (en) | 2006-09-06 |
AP2006003655A0 (en) | 2006-06-30 |
CY1112676T1 (el) | 2016-02-10 |
AP2010005260A0 (en) | 2010-06-30 |
CN101309583A (zh) | 2008-11-19 |
JP2007524773A (ja) | 2007-08-30 |
PH12012501343B1 (en) | 2015-07-27 |
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