ES2351557A1 - Non-woven fabric with biocidal activity (Machine-translation by Google Translate, not legally binding) - Google Patents
Non-woven fabric with biocidal activity (Machine-translation by Google Translate, not legally binding) Download PDFInfo
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- ES2351557A1 ES2351557A1 ES200930510A ES200930510A ES2351557A1 ES 2351557 A1 ES2351557 A1 ES 2351557A1 ES 200930510 A ES200930510 A ES 200930510A ES 200930510 A ES200930510 A ES 200930510A ES 2351557 A1 ES2351557 A1 ES 2351557A1
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- nonwoven fabric
- woven
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- woven fabric
- fabric
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 47
- 230000003115 biocidal effect Effects 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000000203 mixture Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000004753 textile Substances 0.000 claims abstract description 21
- 239000000284 extract Substances 0.000 claims abstract description 20
- 239000004530 micro-emulsion Substances 0.000 claims abstract description 15
- 239000007864 aqueous solution Substances 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 13
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 12
- 239000003139 biocide Substances 0.000 claims abstract description 9
- 239000000419 plant extract Substances 0.000 claims abstract description 9
- 244000166675 Cymbopogon nardus Species 0.000 claims abstract description 7
- 235000018791 Cymbopogon nardus Nutrition 0.000 claims abstract description 7
- 230000000895 acaricidal effect Effects 0.000 claims abstract description 4
- 239000002917 insecticide Substances 0.000 claims abstract description 4
- 239000000642 acaricide Substances 0.000 claims abstract description 3
- 239000004744 fabric Substances 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 8
- 244000037433 Pongamia pinnata Species 0.000 claims description 6
- 235000004599 Pongamia pinnata Nutrition 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- 241000557821 Azadirachta Species 0.000 claims description 5
- 229920000297 Rayon Polymers 0.000 claims description 5
- 240000002234 Allium sativum Species 0.000 claims description 3
- 235000011331 Brassica Nutrition 0.000 claims description 3
- 241000219198 Brassica Species 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 240000006075 Sapindus trifoliatus Species 0.000 claims description 3
- 241000977603 Swertia chirayita Species 0.000 claims description 3
- 240000000785 Tagetes erecta Species 0.000 claims description 3
- 235000012311 Tagetes erecta Nutrition 0.000 claims description 3
- 244000250129 Trigonella foenum graecum Species 0.000 claims description 3
- 235000001484 Trigonella foenum graecum Nutrition 0.000 claims description 3
- 239000003995 emulsifying agent Substances 0.000 claims description 3
- 235000004611 garlic Nutrition 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 235000001019 trigonella foenum-graecum Nutrition 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 244000144927 Aloe barbadensis Species 0.000 claims description 2
- 235000002961 Aloe barbadensis Nutrition 0.000 claims description 2
- 235000007162 Ferula assa foetida Nutrition 0.000 claims description 2
- 244000228957 Ferula foetida Species 0.000 claims description 2
- 235000012850 Ferula foetida Nutrition 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 235000011399 aloe vera Nutrition 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims description 2
- 239000000077 insect repellent Substances 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 239000003899 bactericide agent Substances 0.000 claims 1
- 235000013500 Melia azadirachta Nutrition 0.000 abstract description 4
- 240000005343 Azadirachta indica Species 0.000 abstract 2
- 239000005871 repellent Substances 0.000 abstract 1
- 230000002940 repellent Effects 0.000 abstract 1
- 238000005406 washing Methods 0.000 description 8
- 239000000835 fiber Substances 0.000 description 6
- 241000238876 Acari Species 0.000 description 5
- 244000237986 Melia azadirachta Species 0.000 description 5
- 241000255925 Diptera Species 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 239000002979 fabric softener Substances 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- 231100000135 cytotoxicity Toxicity 0.000 description 2
- 230000003013 cytotoxicity Effects 0.000 description 2
- 231100000263 cytotoxicity test Toxicity 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 239000003094 microcapsule Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 208000035143 Bacterial infection Diseases 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- 206010010741 Conjunctivitis Diseases 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- 235000014104 aloe vera supplement Nutrition 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000001442 anti-mosquito Effects 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012867 bioactive agent Substances 0.000 description 1
- 230000000975 bioactive effect Effects 0.000 description 1
- 230000008512 biological response Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002498 deadly effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 210000000987 immune system Anatomy 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004962 mammalian cell Anatomy 0.000 description 1
- 230000005541 medical transmission Effects 0.000 description 1
- 238000012543 microbiological analysis Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 206010039083 rhinitis Diseases 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
-
- 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
-
- 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
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D06M16/006—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with wool-protecting agents; with anti-moth agents
-
- 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
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
Abstract
Description
Tela no tejida con actividad biocida.Nonwoven fabric with biocidal activity.
La presente invención se refiere a una tela no tejida impregnada con una composición que comprende la combinación de una microemulsión de extracto de margosa (Azadirachta indica) con citronella y una disolución acuosa de otros extractos de plantas y que tiene propiedades biocidas. Además, la invención se refiere al procedimiento de obtención de dicha tela no tejida y a su uso como biocida, concretamente como antibacteriano, acaricida e insecticida, para el tratamiento de materiales textiles.The present invention relates to a non-woven fabric impregnated with a composition comprising the combination of a microemulsion of margosa extract ( Azadirachta indica ) with citronella and an aqueous solution of other plant extracts and having biocidal properties. Furthermore, the invention relates to the process for obtaining said nonwoven fabric and its use as a biocide, specifically as an antibacterial, acaricide and insecticide, for the treatment of textile materials.
Muchas de las bacterias existentes son inofensivas o beneficiosas para el organismo debido al efecto protector del sistema inmune. Sin embargo, existen bacterias patógenas que pueden causar enfermedades infecciosas e incluso mortales. Las sustancias antibacterianas, desde un punto de vista bioquímico, son aquellas capaces de inhibir el crecimiento celular y/o destruir las células que componen las bacterias. Los textiles presentan cada vez mayor demanda de propiedades antibacterianas que les confieran unas características de barrera frente a los problemas comunes de infecciones bacterianas.Many of the existing bacteria are harmless or beneficial to the body due to the effect immune system protector. However, there are bacteria pathogens that can cause infectious diseases and even deadly Antibacterial substances, from a point of view biochemical, are those capable of inhibiting cell growth and / or destroy the cells that make up the bacteria. Textiles they have an increasing demand for antibacterial properties that give them some barrier characteristics against problems Common bacterial infections.
Los ácaros son perjudiciales no solamente para la agricultura, los jardines, la silvicultura, sino igualmente para el hombre, en el que pueden provocar principalmente alergias, asma, rinitis o conjuntivitis. En el hábitat humano por ejemplo, los ácaros están presentes en cantidad no despreciable, principalmente, en alfombras, moquetas, mobiliario, revestimientos de superficie, sofás, cortinas, ropa de cama, colchones, y almohadas. En numerosas aplicaciones tales como en el campo textil, se busca limitar el desarrollo de ácaros en las superficies textiles, por ejemplo, con el objeto de la prevención de afecciones en el hombre debidas a los ácaros. En los sectores médicos es igualmente de gran importancia limitar el desarrollo de los ácaros en los utensilios de trabajo, en los materiales de construcción, en los vestidos, etc.Mites are harmful not only for agriculture, gardens, forestry, but also for the man, in which they can mainly cause allergies, asthma, rhinitis or conjunctivitis. In the human habitat for example, the Mites are present in non-negligible quantity, mainly in carpets, carpets, furniture, surface coverings, sofas, curtains, bedding, mattresses, and pillows. In numerous applications such as in the textile field, it seeks to limit the development of mites on textile surfaces, for example, with the object of the prevention of affections in man due to Mites. In the medical sectors it is equally important limit the development of mites in work utensils, in building materials, dresses, etc.
En el caso de los mosquitos, presenta una contribución importante la obtención de textiles con propiedades antimosquitos. Los mosquitos son muy odiados principalmente en verano. Además, los mosquitos, a través de sus picaduras facilitan la transmisión de enfermedades, y de ahí, la importancia de prevenir el contacto de los mosquitos con los humanos.In the case of mosquitoes, it presents a important contribution to obtain textiles with properties mosquitoes Mosquitoes are very hated mainly in summer. In addition, mosquitoes, through their bites facilitate disease transmission, and hence, the importance of preventing the contact of mosquitoes with humans.
Con el fin de conferir a las superficies textiles propiedades biocidas se han desarrollado procedimientos para introducción o fijar un agente bioactivo en hilos mediante diferentes métodos, en este tipo de procedimientos el compuesto bioactivo se suele introducir en microcápsulas. Como por ejemplo, en la solicitud de patente WO03/002807 se describen microcápsulas de un aceite natural sobre materiales textiles. Sin embargo, estos sistemas suelen tener una persistencia limitada y sus efectos desaparecen después de uno o varios lavados.In order to confer to surfaces textile biocidal properties procedures have been developed for introducing or fixing a bioactive agent in threads by different methods, in this type of procedures the compound Bioactive is usually introduced into microcapsules. As for example, in Patent application WO03 / 002807 describes microcapsules of a natural oil on textile materials. However, these systems usually have limited persistence and their effects They disappear after one or several washes.
Por otro lado, también es conocido el uso de productos que se utilizan en el lavado habitual de prendas, como las tiras de absorción de color u otras similares.On the other hand, the use of products used in the usual washing of garments, such as color absorption strips or similar.
La presente invención proporciona una tela no tejida impregnada con una composición líquida para el tratamiento de materiales textiles, para dotarlos de propiedades biocidas, como hilos, fibras, filamentos, tanto naturales como sintéticos, y/o los artículos obtenidos a partir de éstos, como por ejemplo prendas para el hogar u otras prendas (por ejemplo vestimenta incluida la de trabajo), utensilios de trabajo, entre otros. Las prendas de hogar pueden ser, como por ejemplo, pero sin limitarse, cortinas, ropa de cama, toallas, colchones, almohadas, alfombras o moquetas.The present invention provides a non-woven fabric. fabric impregnated with a liquid composition for the treatment of textile materials, to provide them with biocidal properties, such as threads, fibers, filaments, both natural and synthetic, and / or items obtained from them, such as garments for the home or other garments (eg clothing including that of work), work utensils, among others. Household items they can be, for example, but not limited to curtains, clothes bed, towels, mattresses, pillows, carpets or carpets.
La composición que impregna la tela no tejida tiene propiedades biocidas, más concretamente antibacterias, antiácaros y antimosquitos, y comprende componentes naturales obtenidos directamente de extractos de plantas, preferiblemente del extracto de margosa (Azadirachta indica) microemulsionado en citronella, y además, comprende la combinación con una disolución acuosa que comprende otros extractos de plantas. Esta tela no tejida impregnada se puede utilizar como biocida en los lavados convencionales de materiales textiles.The composition that impregnates the non-woven fabric has biocidal properties, more specifically antibacterial, anti-mite and anti-mosquitoes, and comprises natural components obtained directly from plant extracts, preferably from the margosa extract ( Azadirachta indica ) microemulsified in citronella, and also comprises the combination with an aqueous solution comprising other plant extracts. This impregnated nonwoven fabric can be used as a biocide in conventional washing of textile materials.
Por tanto, un aspecto de la presente invención se refiere a una tela no tejida impregnada con una composición (en adelante material de la invención) que comprende la combinación de:Therefore, one aspect of the present invention refers to a nonwoven fabric impregnated with a composition (in hereinafter material of the invention) comprising the combination from:
- a)to)
- una microemulsión de extracto de Azadirachta indica con citronella ya microemulsion of Azadirachta extract indicated with citronella and
- b)b)
- una disolución acuosa de otro extracto de planta que se selecciona de la lista que comprende Sapindus trifoliatus, Pongamia pinnata, Swertia chirata, Aloe vera, Tagetes erecta, Trigonella foenum-graecum, Allium sativum, Brassica júncea, Férula asssafoetida, Férula foetida, Azadirachta indica o cualquiera de sus combinaciones.an aqueous solution of another plant extract that is selected from the list comprising Sapindus trifoliatus, Pongamia pinnata, Swertia chirata, Aloe vera, Tagetes erecta, Trigonella foenum-graecum, Allium sativum, Brassica júncea, Asssafoetida splint, Fetula indica, Azadira indica or any of its combinations.
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Por "tela no tejida" ("non-woven fabrics") se entiende en la presente invención a un tipo de telas producidas al formar una red con fibras que se unen por procedimientos mecánicos, térmicos o químicos, pero sin ser tejidas. En este sentido, estas telas se definen por su negativo; es decir, por lo que no son. En los "no-tejidos" las fibras no están tan unidas como en el papel y estas fibras pueden ser distinguidas, en muchos casos, a simple vista. En general, los no tejidos son una hoja o red de fibras o filamentos artificiales o naturales, excluyendo al papel, que no fue tejida y donde las fibras están adheridas entre si usando cualquiera de los métodos conocidos por un experto en la materia.For "nonwoven fabric" ("non-woven fabrics") is understood in the present invention to a type of fabrics produced by forming a network with fibers that are joined by mechanical, thermal or chemical, but without being woven. In this sense, these fabrics are define by their negative; that is, for what they are not. In the "non-woven" fibers are not so attached as in paper and these fibers can be distinguished, in many cases, with the naked eye. In general, nonwovens are a sheet or net of artificial or natural fibers or filaments, excluding paper, which was not woven and where the fibers are adhered to each other using any of the methods known to an expert in the matter.
En una realización preferida de la invención, la composición de la tela no tejida comprende viscosa, celulosa, poliéster, poliolefinas, preferiblemente polietileno o polipropileno, poliamida y cualquiera de sus combinaciones, con un área entre 50-1000 cm^{2} y más aproximadamente entre 150-300 cm^{2}. Y en una realización más preferida la tela no tejida comprende viscosa. Otra realización preferida del material de la invención comprende un ratio entre la microemulsión (a) y la disolución (b) de entre 1.5:1 a 1:1.5. Más preferiblemente es de 1:1.In a preferred embodiment of the invention, the Nonwoven fabric composition comprises viscose, cellulose, polyester, polyolefins, preferably polyethylene or polypropylene, polyamide and any combination thereof, with a area between 50-1000 cm2 and more approximately between 150-300 cm2. And in one more embodiment Preferred nonwoven fabric comprises viscose. Another realization Preferred material of the invention comprises a ratio between the microemulsion (a) and solution (b) between 1.5: 1 to 1: 1.5. Plus preferably it is 1: 1.
Otra realización preferida del material de la invención comprende una proporción de extracto de Azadirachta indica de hasta un 2% (w/v) de la microemulsión (a). Más preferiblemente es de hasta un 1% (w/v) de la microemulsión (a).Another preferred embodiment of the material of the invention comprises a proportion of Azadirachta indica extract of up to 2% (w / v) of the microemulsion (a). More preferably it is up to 1% (w / v) of the microemulsion (a).
Otra realización preferida del material de la invención comprende una proporción de agua de hasta un 90% (w/v) de la disolución (b) total.Another preferred embodiment of the material of the invention comprises a proportion of water of up to 90% (w / v) of the total solution (b).
En otra realización más del material de la invención, la microemulsión (a) además comprende un agente estabilizador, por ejemplo un estabilizador de grado alimenticio o un estabilizador orgánico de radiación ultravioleta, un emulsificador o un extracto de Pongamia pinnata.In yet another embodiment of the material of the invention, the microemulsion (a) further comprises a stabilizing agent, for example a food grade stabilizer or an organic ultraviolet radiation stabilizer, an emulsifier or a Pongamia pinnata extract.
Otro aspecto de la presente invención se refiere a un procedimiento de obtención del material de la invención (en adelante procedimiento de la invención) que comprende impregnar una tela no tejida con la composición descrita anteriormente.Another aspect of the present invention relates to to a method of obtaining the material of the invention (in hereinafter method of the invention) comprising impregnating a nonwoven fabric with the composition described above.
En una realización preferida del procedimiento de la invención, la impregnación de la tela no tejida con la composición se realiza mediante un proceso de pulverizado. Más preferiblemente, el proceso de pulverizado se lleva a cabo aplicando una disolución acuosa de la composición con una concentración entre un 5% y un 20% en peso hasta alcanzar una concentración de dicha disolución en la tela no tejida entre un 200 y un 400% en peso.In a preferred embodiment of the procedure of the invention, the impregnation of the nonwoven fabric with the Composition is done by a spraying process. Plus preferably, the spraying process is carried out by applying an aqueous solution of the composition with a concentration between 5% and 20% by weight until reaching a concentration of said dissolution in the non-woven fabric between 200 and 400% by weight.
En otra realización preferida del procedimiento de la invención, la impregnación de la tela no tejida con la composición se realiza sometiendo la tela no tejida a un proceso de fulardado. Más preferiblemente, el proceso de fulardado se lleva a cabo con una disolución acuosa de la composición con una concentración entre un 1% y un 10% en peso hasta alcanzar una concentración de dicha disolución en la tela no tejida entre un 100 y un 200% en peso.In another preferred embodiment of the process of the invention, the impregnation of the nonwoven fabric with the Composition is done by subjecting the non-woven fabric to a process of Fulardado More preferably, the scarfing process is carried conducted with an aqueous solution of the composition with a concentration between 1% and 10% by weight until reaching a concentration of said solution in the nonwoven fabric between 100 and 200% by weight.
En la presente invención, por fulardado se entiende un proceso de humectación en continuo con una solución de un material y posterior escurrido por presión entre cilindros.In the present invention, per capita understands a continuous wetting process with a solution of a material and subsequent drained by pressure between cylinders.
Otro aspecto de la presente invención se refiere al uso del material de la invención como biocida. Más preferiblemente, el biocida es un antibacteriano, acaricida y un insecticida y/o repelente de insectos.Another aspect of the present invention relates to to the use of the material of the invention as a biocide. Plus preferably, the biocide is an antibacterial, acaricidal and a insecticide and / or insect repellent.
La presente invención también describe que el material de la invención puede ser empleado como biocida preferiblemente para el tratamiento de materiales textiles.The present invention also describes that the material of the invention can be used as a biocide preferably for the treatment of textile materials.
De esta forma, en una realización preferida, el material de la invención se usa para un tratamiento de materiales textiles, que comprende un proceso de lavado convencional en el tambor de la lavadora con jabón, con o sin suavizante), preferiblemente con suavizante, en sus respectivos compartimentos, del material textil a tratar junto con el material de la invención.Thus, in a preferred embodiment, the material of the invention is used for a treatment of materials textiles, which comprises a conventional washing process in the washing machine drum with soap, with or without fabric softener), preferably with softener, in their respective compartments, of the textile material to be treated together with the material of the invention.
Mediante un proceso de lavado la composición biocida que impregna al material de la invención pasa de la tela no tejida impregnada al material textil a tratar y confiriéndole las propiedades biocidas de la composición que impregna dicho material.Through a washing process the composition biocide that permeates the material of the invention passes from the fabric not fabric impregnated with the textile material to be treated and giving it biocidal properties of the composition that permeates said material.
A lo largo de la descripción y las reivindicaciones la palabra "comprende" y sus variantes no pretenden excluir otras características técnicas, aditivos, componentes o pasos. Para los expertos en la materia, otros objetos, ventajas y características de la invención se desprenderán en parte de la descripción y en parte de la práctica de la invención. Los siguientes ejemplos y dibujos se proporcionan a modo de ilustración, y no se pretende que sean limitativos de la presente invención.Throughout the description and the claims the word "comprises" and its variants not they intend to exclude other technical characteristics, additives, components or steps. For those skilled in the art, other objects, advantages and features of the invention will be partly detached of the description and in part of the practice of the invention. The following examples and drawings are provided by way of illustration, and are not intended to be limiting of the present invention.
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A continuación se ilustrará la invención mediante unos ensayos realizados por los inventores, que ponen de manifiesto la especificidad y efectividad del material de la invención y de su uso como biocida para el tratamiento de materiales textiles.The invention will be illustrated below through tests carried out by the inventors, who put manifest the specificity and effectiveness of the material of the invention and its use as a biocide for the treatment of materials textiles
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Una tela no tejida con un área de 187 cm^{2} y una composición principalmente de viscosa con una proporción de fibras sintéticas como poliéster y polipropileno o polietileno entorno al 40%, se impregna con una composición que comprende la combinación 1:1 de:A non-woven fabric with an area of 187 cm 2 and a mainly viscose composition with a proportion of synthetic fibers such as polyester and polypropylene or polyethylene around 40%, it is impregnated with a composition comprising the 1: 1 combination of:
- (a)(to)
- una microemulsión de extracto de Azadirachta indica con citronella; ya microemulsion of Azadirachta extract indicated with citronella; Y
- (b)(b)
- una disolución acuosa de extractos de plantas.a aqueous solution of plant extracts.
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La microemulsión (a) contenía la siguiente composición en % (w) de la microemulsión total:The microemulsion (a) contained the following Composition in% (w) of the total microemulsion:
Extracto de Azadirachta 1%1% Azadirachta Extract
Aceite esencial de citronella 10%10% citronella essential oil
Estabilizador de grado alimenticio 2%2% food grade stabilizer
Estabilizador orgánico de radiación ultravioleta 2%Organic ultraviolet radiation stabilizer 2%
Emulsificador de la microemulsión 55%55% microemulsion emulsifier
Extracto de Pongamia pinnata 30% Pongamia pinnata extract 30%
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La disolución acuosa (b) de extractos de plantas contenía los siguientesThe aqueous solution (b) of plant extracts It contained the following
extractos de plantas:plant extracts:
Extracto de Sapindus trifoliatus 2% Sapindus trifoliatus 2% Extract
Extracto de Pongamia pinnata 1% Pongamia pinnata extract 1%
Extracto de Swertia chirata 1% Swertia chirata extract 1%
Extracto de Aloe vera 1% Aloe Vera extract 1%
Extracto de Tagetes erecta 1%Extract of Tagetes erecta 1%
Extracto de Trigonella foenum-graecum 0.5% Trigonella foenum-graecum 0.5% extract
Extracto de Allium sativum 1%1% Allium sativum Extract
Extracto de Brassica júncea 1% Brassica Júncea Extract 1%
Extracto de Férula assafoetida y de Férula foetida 0.5%Extract of assafoetida splint and Foetide splint 0.5%
Extracto de Azadirachta indica 1% Azadirachta extract indicates 1%
Agua 90%Water 90%
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Esta composición sirvió para la impregnación de la tela no tejida mediante distintos procesos:This composition served for the impregnation of Nonwoven fabric by different processes:
- --
- Pulverizado: se aplica un 10% en disolución acuosa de la composición anterior hasta una absorción del tejido entorno al 400%.Sprayed: 10% is applied in aqueous solution of the above composition until absorption of fabric around 400%.
- --
- Fulardado: se somete la tela no tejida a un proceso de fulardado en un baño al 1% en disolución acuosa de la composición anterior, hasta una absorción del 145%.Scarf: the non-woven fabric is subjected to a run process in a 1% bath in aqueous solution of the previous composition, up to an absorption of 145%.
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Una vez impregnada la tela no tejida se introdujo junto con el tejido a tratar en el tambor de la lavadora y se realizó un lavado convencional con jabón y suavizante en sus respectivos compartimentos.Once impregnated the non-woven fabric is introduced along with the fabric to be treated in the drum of the washing machine and conventional washing with soap and fabric softener was performed on respective compartments.
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Se determinó la actividad antibacteriana según la norma "AATCC Test Method 100-1998". Este test permite un procedimiento cuantitativo para la evaluación del grado de actividad antibacteriana de los materiales textiles tratados según el ejemplo 1. El método debe ser utilizado cuando se sepa o quede implícito que el material textil tiene actividad bactericida o bacteriostática. Consiste en la inoculación del material textil con un microorganismo adecuado, de forma que, transcurridas 24 horas de contacto entre el microorganismo y el material textil, se determinará el porcentaje de reducción del microorganismo originado por el agente antibacteriano. El microorganismo utilizado en este caso fue: Staphylococcus aureus.The antibacterial activity was determined according to the "AATCC Test Method 100-1998" standard. This test allows a quantitative procedure for the evaluation of the degree of antibacterial activity of the textile materials treated according to example 1. The method should be used when it is known or implied that the textile material has bactericidal or bacteriostatic activity. It consists of inoculating the textile material with a suitable microorganism, so that, after 24 hours of contact between the microorganism and the textile material, the percentage reduction of the microorganism caused by the antibacterial agent will be determined. The microorganism used in this case was: Staphylococcus aureus .
Las muestras presentan actividad antibacteriana después de 24 horas de contacto frente a Staphylococcus aureus con una reducción en su crecimiento del 97.5% y del 99.0%, respectivamente (Tabla 1).The samples show antibacterial activity after 24 hours of contact against Staphylococcus aureus with a reduction in growth of 97.5% and 99.0%, respectively (Table 1).
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El ensayo de citotoxicidad se determinó mediante la norma UNE EN ISO 10993-5:2002. Esta norma UNE EN ISO 10993-5:2002 describe métodos de ensayo que permiten evaluar la citotoxicidad in vitro de productos sanitarios mediante la incubación de células de cultivo, directamente o por difusión. Así se determina la respuesta biológica de las células de mamífero in vitro, utilizando parámetros biológicos adecuados. La línea celular utilizada para esta determinación fue CCL 81 (Vero). Los resultados obtenidos se evaluaron para la composición que impregna la tela no tejida aplicada sobre un textil durante un proceso de lavado con un suavizante y se muestran en la tabla 2.The cytotoxicity test was determined by the UNE EN ISO 10993-5: 2002 standard. This UNE EN ISO 10993-5: 2002 standard describes test methods that allow the evaluation of in vitro cytotoxicity of medical devices by incubation of culture cells, directly or by diffusion. Thus the biological response of mammalian cells is determined in vitro , using appropriate biological parameters. The cell line used for this determination was CCL 81 (Vero) . The results obtained were evaluated for the composition that impregnates the non-woven fabric applied on a textile during a washing process with a fabric softener and is shown in Table 2.
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La valoración cualitativa de la citotoxicidad se graduó mediante la siguiente escala de la tabla 3:The qualitative assessment of cytotoxicity is graduated using the following scale from table 3:
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Claims (17)
- a)to)
- una microemulsión de extracto de Azadirachta indica con citronella ya microemulsion of Azadirachta extract indicated with citronella and
- b)b)
- una disolución acuosa de otro extracto de planta que se selecciona de la lista que comprende Sapindus trifoliatus, Pongamia pinnata, Swertia chirata, Aloe vera, Tagetes erecta, Trigonella foenum-graecum, Allium sativum, Brassica júncea, Férula assafoetida, Férula foetida, Azadirachta indica o cualquiera de sus combinaciones.an aqueous solution of another plant extract that is selected from the list comprising Sapindus trifoliatus, Pongamia pinnata, Swertia chirata, Aloe vera, Tagetes erecta, Trigonella foenum-graecum, Allium sativum, Brassica júncea, Sporula assafoetida, Fetula indica, Azadirach indica or any of its combinations.
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Citations (9)
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|---|---|---|---|---|
| WO1998030124A1 (en) * | 1997-01-09 | 1998-07-16 | Lice Busters International Pty | Insect repellent substrate for headwear |
| US5885600A (en) * | 1997-04-01 | 1999-03-23 | Burlington Bio-Medical & Scientific Corp. | Natural insect repellent formula and method of making same |
| EP0908171A1 (en) * | 1997-10-08 | 1999-04-14 | Gem Energy Industry Limited | Dry herbal, cleaning compositions |
| JP2000128720A (en) * | 1998-10-20 | 2000-05-09 | Huajian Medical Science & Technol Co Ltd | Insect repellent composition and insect repellent patch using the same |
| WO2003002807A2 (en) * | 2001-06-22 | 2003-01-09 | Hagege, Edward | Method for acaricidal and microbicidal treatment of textile materials |
| JP2004238778A (en) * | 2003-02-10 | 2004-08-26 | Masami Takegawa | Impregnated sheet, draining bag using the same and garbage bag using the same |
| WO2007085856A1 (en) * | 2006-01-27 | 2007-08-02 | Intelligent Fabric Technologies Plc | Insect repellent fabric |
| WO2008105645A1 (en) * | 2007-02-26 | 2008-09-04 | Torres Campuzano Antonio Aleja | Seed extract acaricide compositions for mite control in textiles, botany and/or agriculture and directed towards the health sector |
| US20080317804A1 (en) * | 2007-06-22 | 2008-12-25 | O'brien Andrew Paul | Neem oil lotion preparation and wipe |
-
2009
- 2009-07-24 ES ES200930510A patent/ES2351557B1/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998030124A1 (en) * | 1997-01-09 | 1998-07-16 | Lice Busters International Pty | Insect repellent substrate for headwear |
| US5885600A (en) * | 1997-04-01 | 1999-03-23 | Burlington Bio-Medical & Scientific Corp. | Natural insect repellent formula and method of making same |
| EP0908171A1 (en) * | 1997-10-08 | 1999-04-14 | Gem Energy Industry Limited | Dry herbal, cleaning compositions |
| JP2000128720A (en) * | 1998-10-20 | 2000-05-09 | Huajian Medical Science & Technol Co Ltd | Insect repellent composition and insect repellent patch using the same |
| WO2003002807A2 (en) * | 2001-06-22 | 2003-01-09 | Hagege, Edward | Method for acaricidal and microbicidal treatment of textile materials |
| JP2004238778A (en) * | 2003-02-10 | 2004-08-26 | Masami Takegawa | Impregnated sheet, draining bag using the same and garbage bag using the same |
| WO2007085856A1 (en) * | 2006-01-27 | 2007-08-02 | Intelligent Fabric Technologies Plc | Insect repellent fabric |
| WO2008105645A1 (en) * | 2007-02-26 | 2008-09-04 | Torres Campuzano Antonio Aleja | Seed extract acaricide compositions for mite control in textiles, botany and/or agriculture and directed towards the health sector |
| US20080317804A1 (en) * | 2007-06-22 | 2008-12-25 | O'brien Andrew Paul | Neem oil lotion preparation and wipe |
Also Published As
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| ES2351557B1 (en) | 2011-11-30 |
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