ES2377692B1 - PROCEDURE FOR OBTAINING A JUTE FLOOR FOR FOOTWEAR. - Google Patents
PROCEDURE FOR OBTAINING A JUTE FLOOR FOR FOOTWEAR. Download PDFInfo
- Publication number
- ES2377692B1 ES2377692B1 ES201000105A ES201000105A ES2377692B1 ES 2377692 B1 ES2377692 B1 ES 2377692B1 ES 201000105 A ES201000105 A ES 201000105A ES 201000105 A ES201000105 A ES 201000105A ES 2377692 B1 ES2377692 B1 ES 2377692B1
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- ES
- Spain
- Prior art keywords
- floor
- jute
- page
- application
- footwear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 235000011777 Corchorus aestuans Nutrition 0.000 claims abstract description 40
- 235000010862 Corchorus capsularis Nutrition 0.000 claims abstract description 40
- 240000000491 Corchorus aestuans Species 0.000 claims abstract description 39
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 22
- 238000004073 vulcanization Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 12
- 229920001971 elastomer Polymers 0.000 claims abstract description 9
- 238000007654 immersion Methods 0.000 claims abstract description 9
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 230000008030 elimination Effects 0.000 claims abstract description 4
- 238000003379 elimination reaction Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 9
- 239000005056 polyisocyanate Substances 0.000 claims description 6
- 229920001228 polyisocyanate Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- MFKRHJVUCZRDTF-UHFFFAOYSA-N 3-methoxy-3-methylbutan-1-ol Chemical compound COC(C)(C)CCO MFKRHJVUCZRDTF-UHFFFAOYSA-N 0.000 claims description 4
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 238000004078 waterproofing Methods 0.000 claims 4
- 239000002131 composite material Substances 0.000 claims 3
- 230000000694 effects Effects 0.000 claims 3
- 239000000835 fiber Substances 0.000 claims 3
- 239000002657 fibrous material Substances 0.000 claims 3
- 229920000642 polymer Polymers 0.000 claims 3
- 240000008213 Brosimum alicastrum Species 0.000 claims 2
- 238000005065 mining Methods 0.000 claims 2
- 235000005828 ramon Nutrition 0.000 claims 2
- 240000004792 Corchorus capsularis Species 0.000 claims 1
- 239000011230 binding agent Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- -1 fluorocarbon compound Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000002940 repellent Effects 0.000 claims 1
- 239000005871 repellent Substances 0.000 claims 1
- 239000004636 vulcanized rubber Substances 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/04—Plastics, rubber or vulcanised fibre
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
-
- 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
- D06M15/693—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Textile Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
El procedimiento consiste en aplicar a un piso de yute natural y antes de la fase de vulcanización en molde, una solución hidrofugante, bien por inmersión o por pulverización, realizándose a continuación el secado de ese piso hidrofugado para la total eliminación de agua en el yute, procediendo finalmente a un proceso de vulcanización en moldes correspondientes y con la goma necesaria para llevar a cabo la vulcanización y finalización del piso. En el caso de aplicar la solución hidrofugante por inmersión, se hará por un tiempo de aproximadamente 10 segundos, mientras que si se realiza la aplicación por pulverización, se realizará en cabina a presión determinada. El secado se efectuará en un horno de cinta, aproximadamente a 250°C y la vulcanización en una prensa de 150°C aproximadamente y durante un tiempo de 10 a 15 minutos.The procedure consists in applying to a natural jute floor and before the mold vulcanization phase, a hydrophobic solution, either by immersion or by spraying, then drying that hydrophobic floor is carried out for the total elimination of water in the jute , finally proceeding to a vulcanization process in corresponding molds and with the rubber necessary to carry out the vulcanization and completion of the floor. In the case of applying the hydrophobic solution by immersion, it will be done for a period of approximately 10 seconds, while if it is applied by spraying, it will be carried out in a cabin under a certain pressure. Drying will take place in a belt oven, at approximately 250 ° C and vulcanization in a press of approximately 150 ° C and for a period of 10 to 15 minutes.
Description
Procedimiento de obtención de un piso de yute para calzado. Objeto de la invenciónProcedure for obtaining a jute floor for footwear. Object of the invention
La presente invención se refiere a un procedimiento en base al cual se consigue obtener un piso de yute natural para calzado, cuya fase fundamental de procedimiento consiste en hidrofugar el piso para que terminado éste se impida la entrada de agua en el yute, evitándose así la deformación del piso y alargando la duración de vida del mismo. Antecedentes de la invención The present invention refers to a process based on which it is possible to obtain a natural jute floor for footwear, whose fundamental phase of the procedure consists in hydrophousing the floor so that after it is finished, the entry of water into the jute is prevented, thus avoiding the deformation of the floor and extending its life. Background of the invention
Los pisos para calzado obtenidos a base de yute presentan como inconveniente el que al ser un producto textil, la absorción y mantenimiento de la humedad en el mismo lleva consigo la correspondiente deformación, y aunque lógicamente debe complementarse con el vulcanizado de una goma, ello no impide la humedad y agua en el yute, con lo que el hilo de éste se hinchará, obteniendo una deformación por completo en el piso. Descripción de la invenciónThe floors for footwear obtained with jute base have as an inconvenience that, being a textile product, the absorption and maintenance of moisture in it carries with it the corresponding deformation, and although logically it must be complemented with the vulcanizing of a rubber, it does not prevents moisture and water in the jute, so that the thread will swell, obtaining a deformation completely on the floor. Description of the invention
El procedimiento que se preconiza ha sido concebido para resolver la problemática anteriormente expuesta, basándose en hidrofugar un piso de yute natural antes de realizar la fase productiva de vulcanización en molde. The procedure that has been recommended has been conceived to solve the problem described above, based on hydrophobing a natural jute floor before carrying out the productive phase of mold vulcanization.
Mas concretamente, el procedimiento consiste en aplicar una solución hidrofugante al piso de yute natural, que puede realizarse por inmersión o por pulverización, para a continuación realizar un secado de dicho piso de yute natural para la total eliminación de agua en el yute, procediendo finalmente a introducir ese piso en el molde correspondiente, con la goma necesaria para llevar a cabo la vulcanización del mismo y finalización del piso. More specifically, the procedure consists in applying a hydrophobic solution to the natural jute floor, which can be carried out by immersion or by spraying, to then perform a drying of said natural jute floor for the total elimination of water in the jute, proceeding finally to introduce that floor in the corresponding mold, with the necessary rubber to carry out the vulcanization of the same and finalization of the floor.
Si la aplicación de la solución hidrofugante se realiza por inmersión, el piso deberá mantenerse en esa solución hidrofugante como máximo durante 10 segundos, mientras que si la aplicación de la solución hidrofugante se realiza por pulverización, es necesario llevar a cabo el recubrimiento total del piso por la solución hidrofugante. If the application of the hydrophobic solution is carried out by immersion, the floor must be kept in that hydrophobic solution for a maximum of 10 seconds, while if the application of the hydrophobic solution is carried out by spraying, it is necessary to carry out the total floor covering by the hydrophobic solution.
En cuanto al secado del piso de yute natural una vez aplicada la solución hidrofugante sobre el mismo, se realiza en horno de cinta, aproximadamente a 250ºC. As for the drying of the natural jute floor once the hydrophobic solution is applied on it, it is carried out in a ribbon oven, at approximately 250 ° C.
En cuanto a la vulcanización definitiva, dependiendo del molde y modelo a vulcanizar, la duración será de 10 a 15 minutos. As for the final vulcanization, depending on the mold and model to be vulcanized, the duration will be 10 to 15 minutes.
El secado en el horno se realizará durante un tiempo comprendido entre 10 y 20 minutos. Drying in the oven will be carried out for a time between 10 and 20 minutes.
En cuanto a los parámetros a tener en cuenta en el procedimiento, deben cumplir las siguientes condiciones: As for the parameters to be taken into account in the procedure, they must meet the following conditions:
En el caso de aplicación por pulverización de la solución hidrofugante sobre el piso de yute natural, esa pulverización se realizará en cabina y a una presión determinada, mientras que el calentamiento en horno, como ya se ha dicho con anterioridad, será un horno de cinta a 250ºC, realizándose la vulcanización en prensa a una temperatura de 150ºC. In the case of spray application of the hydrophobic solution on the natural jute floor, this spraying will be carried out in a cabin and at a certain pressure, while the heating in the oven, as already mentioned above, will be a belt oven 250 ° C, vulcanization being carried out in the press at a temperature of 150 ° C.
La solución hidrofugante tendrá una composición a base de agua, en una concentración del orden del 89%, resina de Fluorocarbono o 3-metoxi-3-metil-1butanol o Nº CAS 56539-66-3 en una concentración del orden del 8%, alcohol isotrópico, en una concentración del orden del 2% y poliuretano de polisocianato bloqueado en una concentración del orden del 1%. The hydrophobic solution will have a water-based composition, in a concentration of the order of 89%, Fluorocarbon resin or 3-methoxy-3-methyl-1butanol or CAS No. 56539-66-3 in a concentration of the order of 8%, isotropic alcohol, in a concentration of the order of 2% and polyisocyanate polyurethane blocked in a concentration of the order of 1%.
Una vez homogeneizada la mezcla, ha de estar a un pH comprendido entre5y6,de manera que si esto no sucede, se ajustará el valor de dicho pH con la adición de ácido acético, tanto como sea necesario. Once the mixture is homogenized, it must be at a pH between 5 and 6, so that if this does not happen, the pH value will be adjusted with the addition of acetic acid, as necessary.
Por último, decir que la composición del yute será 100% de hilo de yute natural, mientras que la composición de la goma será específica para cada caso. Finally, say that the composition of jute will be 100% natural jute yarn, while the composition of the rubber will be specific for each case.
Claims (8)
- --
- Aplicar una solución hidrofugante a un piso de yute natural. Apply a hydrophobic solution to a natural jute floor.
- --
- Secado de ese piso de yute natural hidrofugado para la total eliminación de agua. Drying of that floor of natural jute hydrofugado for the total elimination of water.
- --
- Realizar el vulcanizado en correspondientes moldes mediante la goma necesaria para obtener el piso definitivo. Carry out the vulcanization in corresponding molds using the rubber necessary to obtain the final floor.
- 2. 2.
- Procedimiento de obtención de un piso de yute para calzado, según reivindicación 1, caracterizado porque la aplicación de la solución hidrofugante al piso de yute natural se realiza por inmersión, durante un tiempo máximo de 10 segundos. Procedure for obtaining a jute floor for footwear, according to claim 1, characterized in that the application of the hydrophobic solution to the natural jute floor is carried out by immersion, for a maximum time of 10 seconds.
- 3. 3.
- Procedimiento de obtención de un piso de yute para calzado, según reivindicación 1, caracterizado porque la aplicación de la solución hidrofugante al piso de yute natural se realiza por pulverización, con recubrimiento total del piso por la solución hidrofugante. Procedure for obtaining a jute floor for footwear, according to claim 1, characterized in that the application of the hydrophobic solution to the natural jute floor is carried out by spraying, with total floor covering by the hydrophobic solution.
- 5. 5.
- Procedimiento de obtención de un piso de yute para calzado, según reivindicaciones1a3, caracterizado porque la fase de vulcanizado se realiza mediante prensa de vulcanización, a una temperatura aproximada de 150ºC, durante un tiempo comprendido entre 10 y 15 minutos. Procedure for obtaining a jute floor for footwear, according to claims 1-3, characterized in that the vulcanizing phase is carried out by means of a vulcanization press, at an approximate temperature of 150 ° C, for a time between 10 and 15 minutes.
- 6. 6.
- Procedimiento de obtención de un piso de yute para calzado, según reivindicaciones anteriores, caracterizado porque la solución hidrofugante presenta una composición a base de agua, en una concentración del orden del 89%, resina de Fluorocarbono o 3-metoxi-3-metil-1-butanol o Nº CAS 56539-66-3 en una concentración del orden del 8%, alcohol isotrópico, en una concentración del orden del 2% y poliuretano de polisocianato bloqueado en una concentración del orden del 1%. Procedure for obtaining a jute floor for footwear, according to previous claims, characterized in that the hydrophobic solution has a water-based composition, in a concentration of the order of 89%, Fluorocarbon resin or 3-methoxy-3-methyl-1 -butanol or CAS No. 56539-66-3 in a concentration of the order of 8%, isotropic alcohol, in a concentration of the order of 2% and blocked polyisocyanate polyurethane in a concentration of the order of 1%.
- 7. 7.
- Procedimiento de obtención de un piso de yute para calzado, según reivindicación 1, caracterizado porque el yute natural tiene una composición del 100% de hilo de yute natural. Procedure for obtaining a jute floor for footwear, according to claim 1, characterized in that the natural jute has a composition of 100% natural jute yarn.
- Categoría Category
- 56 Documentos citados Reivindicaciones afectadas 56 Documents cited Claims Affected
- A TO
- ES 237906 A1 (HIJOS DE RAMON CALPENA CANIZAR) 16.05.1958, 1-7 EN 237906 A1 (CHILDREN OF RAMON CALPENA CANIZAR) 16.05.1958, 1-7
- descripción: páginas 2-4. description: pages 2-4.
- A TO
- GB 422960 A (PROCEDES ECLA SOC D) 18.01.1935, 1-7 GB 422960 A (PROCEDES ECLA SOC D) 18.01.1935, 1-7
- descripción: página 3, líneas 1-4; página 4, línea 43-72,99-103; página 4, línea 106 – página 5, description: page 3, lines 1-4; page 4, line 43-72.99-103; page 4, line 106 - page 5,
- línea 74; página 6, línea 56; página 7, líneas 59-65; reivindicación 12. line 74; page 6, line 56; page 7, lines 59-65; claim 12.
- A TO
- GB 287206 A (HERBERT BROOMFIELD et al.) 07.03.1928, 1-7 GB 287206 A (HERBERT BROOMFIELD et al.) 07.03.1928, 1-7
- descripción: página 1, líneas 8-31,74-83; reivindicación 1. description: page 1, lines 8-31,74-83; claim 1.
- A TO
- ES 2319168 T3 (CYCLETEC LTD) 05.05.2009, 6 EN 2319168 T3 (CYCLETEC LTD) 05.05.2009, 6
- descripción: página 3, líneas 20-24,43-45; página 4, líneas 3-10. description: page 3, lines 20-24,43-45; page 4, lines 3-10.
- A TO
- GB 190016720 A (WEBER LEWIS) 20.07.1901, 1-7 GB 190016720 A (WEBER LEWIS) 20.07.1901, 1-7
- descripción: página 1, líneas 9-13,18-30. description: page 1, lines 9-13,18-30.
- A TO
- GB 999795 A (MINNESOTA MINING & MFG) 28.07.1965, 6 GB 999795 A (MINNESOTA MINING & MFG) 28.07.1965, 6
- descripción: página 1, líneas 14-24; página 2, líneas 58-63; página 3, líneas 25-39; página 4, description: page 1, lines 14-24; page 2, lines 58-63; page 3, lines 25-39; page 4,
- líneas 10-11; página 7, líneas 20-24; reivindicación 1. lines 10-11; page 7, lines 20-24; claim 1.
- A TO
- US 5693737 A (REIFF HELMUT et al.) 02.12.1997, 6 US 5693737 A (REIFF HELMUT et al.) 02.12.1997, 6
- descripción: columna 13, líneas 48-65. description: column 13, lines 48-65.
- Categoría de los documentos citados X: de particular relevancia Y: de particular relevancia combinado con otro/s de la misma categoría A: refleja el estado de la técnica O: referido a divulgación no escrita P: publicado entre la fecha de prioridad y la de presentación de la solicitud E: documento anterior, pero publicado después de la fecha de presentación de la solicitud Category of the documents cited X: of particular relevance Y: of particular relevance combined with other / s of the same category A: reflects the state of the art O: refers to unwritten disclosure P: published between the priority date and the date of priority submission of the application E: previous document, but published after the date of submission of the application
- El presente informe ha sido realizado • para todas las reivindicaciones • para las reivindicaciones nº: This report has been prepared • for all claims • for claims no:
- Fecha de realización del informe 16.03.2012 Date of realization of the report 16.03.2012
- Examinador E. M. Pértica Gómez Página 1/4 Examiner E. M. Pértica Gómez Page 1/4
- Novedad (Art. 6.1 LP 11/1986) Novelty (Art. 6.1 LP 11/1986)
- Reivindicaciones Reivindicaciones 1-7 SI NO Claims Claims 1-7 IF NOT
- Actividad inventiva (Art. 8.1 LP11/1986) Inventive activity (Art. 8.1 LP11 / 1986)
- Reivindicaciones Reivindicaciones 1-7 SI NO Claims Claims 1-7 IF NOT
- Documento Document
- Número Publicación o Identificación Fecha Publicación Publication or Identification Number publication date
- D01 D01
- ES 237906 A1 (HIJOS DE RAMON CALPENA CANIZAR) 16.05.1958 EN 237906 A1 (SONS OF RAMON CALPENA CANIZAR) 05/16/1958
- D02 D02
- GB 422960 A (PROCEDES ECLA SOC D) 18.01.1935 GB 422960 A (PROCEDES ECLA SOC D) 18.01.1935
- D03 D03
- GB 287206 A (HERBERT BROOMFIELD et al.) 07.03.1928 GB 287206 A (HERBERT BROOMFIELD et al.) 07.03.1928
- D04 D04
- ES 2319168 T3 (CYCLETEC LTD) 05.05.2009 ES 2319168 T3 (CYCLETEC LTD) 05.05.2009
- D05 D05
- GB 190016720 A (WEBER LEWIS) 20.07.1901 GB 190016720 A (WEBER LEWIS) 20.07.1901
- D06 D06
- GB 999795 A (MINNESOTA MINING & MFG) 28.07.1965 GB 999795 A (MINNESOTA MINING & MFG) 28.07.1965
- D07 D07
- US 5693737 A (REIFF HELMUT et al.) 02.12.1997 US 5693737 A (REIFF HELMUT et al.) 02.12.1997
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201000105A ES2377692B1 (en) | 2010-01-25 | 2010-01-25 | PROCEDURE FOR OBTAINING A JUTE FLOOR FOR FOOTWEAR. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201000105A ES2377692B1 (en) | 2010-01-25 | 2010-01-25 | PROCEDURE FOR OBTAINING A JUTE FLOOR FOR FOOTWEAR. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2377692A1 ES2377692A1 (en) | 2012-03-30 |
| ES2377692B1 true ES2377692B1 (en) | 2013-02-12 |
Family
ID=45814911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES201000105A Active ES2377692B1 (en) | 2010-01-25 | 2010-01-25 | PROCEDURE FOR OBTAINING A JUTE FLOOR FOR FOOTWEAR. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2377692B1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190016720A (en) * | 1900-09-19 | 1901-07-20 | Lewis Weber | Improvements in Socks, or Loose Inner Soles, for Boots and Shoes. |
| GB287206A (en) * | 1926-12-07 | 1928-03-07 | Herbert Broomfield | Improvements in the production of a waterproofing bottom filling composition for boots, shoes or the like and in the method of applying the same |
| GB422960A (en) * | 1933-04-05 | 1935-01-18 | Procedes Ecla Soc D | Manufacture of improved textile elements and applications thereof |
| ES237906A1 (en) * | 1957-10-03 | 1958-05-16 | Hijos De Ramon Calpena Canizar | Manufacturing procedure of a footwear with jute floor or similar fiber and rubber (Machine-translation by Google Translate, not legally binding) |
| DE1468295A1 (en) * | 1960-09-02 | 1969-05-29 | Minnesota Mining & Mfg | Urethanes containing perfluoroalkyl groups and processes for their preparation |
| US5508370A (en) * | 1991-10-17 | 1996-04-16 | Bayer Aktiengesellschaft | Water-dispersible blocked isocyanates, method of manufacture, and use thereof |
| CN100460449C (en) * | 2001-03-22 | 2009-02-11 | 循环技术有限公司 | Composite materials made from treated cellulose and plastics |
-
2010
- 2010-01-25 ES ES201000105A patent/ES2377692B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2377692A1 (en) | 2012-03-30 |
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