ES2929862A1 - Compact water-repellent paper with intermediate polymer (Machine-translation by Google Translate, not legally binding) - Google Patents
Compact water-repellent paper with intermediate polymer (Machine-translation by Google Translate, not legally binding) Download PDFInfo
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- ES2929862A1 ES2929862A1 ES202130499A ES202130499A ES2929862A1 ES 2929862 A1 ES2929862 A1 ES 2929862A1 ES 202130499 A ES202130499 A ES 202130499A ES 202130499 A ES202130499 A ES 202130499A ES 2929862 A1 ES2929862 A1 ES 2929862A1
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- polymer
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- intermediate polymer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- Laminated Bodies (AREA)
Abstract
Description
DESCRIPCIÓNDESCRIPTION
Papel hidrófugo compacto con polímero intermedioCompact water-repellent paper with intermediate polymer
SECTOR DE LA TÉCNICATECHNIQUE SECTOR
La presente solicitud se refiere a un papel hidrófugo compacto con polímero intermedio, que comprende mejoras en cuanto a su barrera a la humedad e impermeabilidad, sin perder ninguna propiedad de los papeles actualmente existentes en el mercado. Es aplicable, entre otras utilidades, en la industria del embalaje en general, alimenticia, cubrimiento de suelos, etc.The present application refers to a compact water-repellent paper with an intermediate polymer, which includes improvements in terms of its moisture barrier and impermeability, without losing any properties of the papers currently on the market. It is applicable, among other uses, in the packaging industry in general, food, floor covering, etc.
ESTADO DE LA TÉCNICASTATE OF THE ART
Se conoce en el estado de la técnica el uso de papeles, por ejemplo para embalaje, formados por una capa de material celulósico o sim ilar y una lámina de polímero sintético, que aporta la impermeabilización. Esta solución es razonablemente eficaz, pero posee una serie de contratiempos.The use of papers, for example for packaging, made up of a layer of cellulosic or similar material and a sheet of synthetic polymer, which provides waterproofing, is known in the state of the art. This solution is reasonably efficient, but it has a number of drawbacks.
En primer lugar, la lámina de polímero sintético está en contacto con el ambiente exterior, lo que obliga a incorporarle aditivos para aumentar sus propiedades de resistencia como por ejemplo a la luz, a los olores, etc. Esta lámina a menudo está en contacto con alimentos u otros productos sensibles, por lo que se puede producir migración de esos aditivos. La lista de aditivos utilizados y su proporción es reducida, no obstante, es preferible que no se llegue a producir ninguna migración a los alimentos u otros productos sensibles.Firstly, the synthetic polymer sheet is in contact with the outside environment, which makes it necessary to incorporate additives to increase its resistance properties, such as light resistance, odor resistance, etc. This sheet is often in contact with food or other sensitive products, so migration of these additives can occur. The list of additives used and their proportion is reduced, however, it is preferable that no migration to food or other sensitive products occurs.
Además, la presencia de una cara de papel y una lámina de polímero sintético limita en una de las caras la versatilidad del papel, pues sólo es utilizable para absorber las humedades por la cara del papel por lo tanto solo de un único uso. Además de no ser biodegradable ni compostable.In addition, the presence of a paper face and a synthetic polymer sheet limits the versatility of the paper on one of the faces, since it can only be used to absorb moisture on the paper face, therefore only for single use. In addition to not being biodegradable or compostable.
El solicitante no conoce ningún tipo de material que permita resolver todos estos problemas de forma tan sencilla como la invención. The Applicant is not aware of any type of material that makes it possible to solve all these problems in as simple a manner as the invention.
BREVE EXPLICACIÓN DE LA INVENCIÓNBRIEF EXPLANATION OF THE INVENTION
La invención consiste en un papel compacto hidrófugo con polímero intermedio, según la reivindicación primera. Sus diferentes variantes resuelven los problemas reseñados.The invention consists of a waterproof compact paper with an intermediate polymer, according to the first claim. Its different variants solve the problems outlined.
Permite un papel hidrófugo compacto con polímero intermedio sintético o natural (b io), impermeable que mantiene la resistencia en condiciones de humedad y/o frío. Si se utiliza un polímero natural o biopolímero, el papel es reciclable, biodegradable y compostable. Si se utiliza un polímero sintético, será solo reciclable.It allows a compact water-repellent paper with synthetic or natural intermediate polymer (b io), waterproof that maintains resistance in humid and/or cold conditions. Whether a natural polymer or biopolymer is used, the paper is recyclable, biodegradable and compostable. If a synthetic polymer is used, it will only be recyclable.
La lámina central o intermedia de polímero es delgada con respecto a los materiales celulósicos utilizados en el compacto total, por lo que su uso es sumamente ventajoso sin incremento de coste significativo y permitiendo obtener un material reciclables en el caso de los polímeros sintéticos y además de degradable y compostable en el caso de polímeros naturales o biopolímeros.The central or intermediate polymer sheet is thin with respect to the cellulosic materials used in the total compact, so its use is extremely advantageous without a significant cost increase and allows obtaining a recyclable material in the case of synthetic polymers and in addition to degradable and compostable in the case of natural polymers or biopolymers.
Según el tipo de materiales exteriores utilizados, siempre partiendo de celulósicos, preferiblemente reciclados 100%, se pueden fabricar envases de papel, cartón o cartoncillo o cartón ondulado, entre otros, como por ejemplo envases para productos agrícolas (hortalizas, frutas, etc...), donde actualmente se utilizan papeles Kraft, procedentes de fibra virgen de la tala de árboles, o papeles semiquímicos, que conllevan en su proceso de fabricación multitud de procesos con agentes nocivos para el medio ambiente, con altos consumos energéticos, emisiones de efecto invernadero, etc. sin llegar a ser nunca al 100% impermeables, incluso añadiéndoles colas de origen sintético o natural.Depending on the type of exterior materials used, always starting from cellulosics, preferably 100% recycled, paper, cardboard or cardboard or corrugated cardboard containers can be manufactured, among others, such as containers for agricultural products (vegetables, fruit, etc.. .), where Kraft papers are currently used, coming from virgin fiber from the felling of trees, or semi-chemical papers, which entail in their manufacturing process a multitude of processes with agents that are harmful to the environment, with high energy consumption, emissions of greenhouse etc without ever being 100% waterproof, even adding synthetic or natural glues.
El papel hidrófugo compacto con polímero intermedio permite utilizar con máximo aprovechamiento el material celulósico o similar, preferiblemente reciclado 100%, dado que la barrera física es aportada por el polímero intermedio. De la misma forma, es posible reducir el gramaje del papel hidrófugo compacto con polímero intermedio, a diferencia de los papeles utilizados en la actualidad, dado que su función es principalmente la barrera del polímero de los agentes externos como son las humedades, olores, etc... cumpliendo esta función con gramajes mucho menores que los papeles que en la actualidad hay en el mercado.Compact water-repellent paper with intermediate polymer allows cellulosic or similar material to be used to the maximum, preferably 100% recycled, since the physical barrier is provided by the intermediate polymer. In the same way, it is possible to reduce the weight of the paper compact water-repellent with intermediate polymer, unlike the papers used today, since its function is mainly the polymer barrier against external agents such as humidity, odors, etc... fulfilling this function with much lower grammages than the papers currently on the market.
El papel hidrófugo compacto con polímero intermedio está previsto para uso alimenticio, en especial para producto fresco, se evitan los productos laminados de simple cara de papel y lamina de polímero sintético, asegurando que el contacto del producto alimenticio fresco es con el papel, mucho menos nocivo que con el polímero sintético utilizado en la actualidad.The compact water-repellent paper with intermediate polymer is intended for food use, especially for fresh products, single-sided laminated products of paper and synthetic polymer laminate are avoided, ensuring that the contact of the fresh food product is with the paper, much less harmful than with the synthetic polymer used today.
En general, este papel hidrófugo compacto con polímero intermedio, es ventajoso por su capacidad de absorber por ambas caras, como por ejemplo separador entre piezas para proteger cualquier producto del roce o fricción, en especial con presencia de humedades en los productos por su propiedad de barrera, también en el caso de cubrimiento de superficies.In general, this compact water-repellent paper with an intermediate polymer is advantageous due to its ability to absorb on both sides, as a separator between pieces to protect any product from rubbing or friction, especially in the presence of moisture in the products due to its property of barrier, also in the case of covering surfaces.
En definitiva este papel hidrófugo compacto con polímero intermedio es especialmente ventajoso en todas las aplicaciones que necesiten de una barrera hidrófuga a partir de papel.In short, this compact water-repellent paper with an intermediate polymer is especially advantageous in all applications that require a water-repellent barrier made from paper.
Así, el papel hidrófugo compacto con polímero intermedio está formado por una primera capa de material celulósico, preferiblemente 100% reciclado, una lámina de polímero intermedia adherida a una cara y una segunda capa de material celulósico, preferiblemente 100% reciclado, adherida en la otra cara de la lámina del polímero, inseparable físicamente ninguna de ellas, formado una sola unidad.Thus, the waterproof compact paper with intermediate polymer is made up of a first layer of cellulosic material, preferably 100% recycled, an intermediate polymer sheet adhered to one side and a second layer of cellulosic material, preferably 100% recycled, adhered to the other. face of the polymer sheet, physically inseparable none of them, formed a single unit.
Otras variantes se aprecian en el resto de la memoria.Other variants are appreciated in the rest of the report.
DESCRIPCIÓN DE LAS FIGURASDESCRIPTION OF THE FIGURES
Para una mejor comprensión de la invención, se incluye la siguiente figura. For a better understanding of the invention, the following figure is included.
Figura 1: Sección esquemática de un ejemplo de realización.Figure 1: Schematic section of an embodiment example.
MODOS DE REALIZACIÓN DE LA INVENCIÓNMODES OF CARRYING OUT THE INVENTION
A continuación, se pasa a describir de manera breve un modo de realización de la invención, como ejemplo ilustrativo y no lim itativo de ésta.An embodiment of the invention is briefly described below, as an illustrative and non-limiting example thereof.
En la figura 1 se muestra un ejemplo de realización ejemplar, formado por una primera capa (1) y una segunda capa (2), ambas de material celulósico u otro material similar, preferiblemente 100% reciclado. Entre medias se dispone una lámina (3) intermedia de polímero, preferiblemente polímero de origen natural o biopolímero, pudiendo ser también sintético.Figure 1 shows an exemplary embodiment, formed by a first layer (1) and a second layer (2), both made of cellulosic material or another similar material, preferably 100% recycled. In between there is an intermediate sheet (3) made of polymer, preferably a polymer of natural origin or biopolymer, which can also be synthetic.
El gramaje de cada capa (1,2) puede ser diferente, de forma, por ejemplo, que una de las dos capas (1,2) aporte la resistencia del papel así fabricado, mientras que la otra capa (1,2) permita obtener efectos estéticos o de otro orden. Puede utilizarse también para las ondulaciones propias del cartón ondulado, por ejemplo. Preferiblemente son de papel 100% reciclado, siempre partiendo de la base de ser materiales celulósicos o similares.The grammage of each layer (1,2) can be different, so, for example, that one of the two layers (1,2) provides the resistance of the paper thus manufactured, while the other layer (1,2) allows obtain aesthetic or other effects. It can also be used for the undulations typical of corrugated cardboard, for example. Preferably they are 100% recycled paper, always based on being cellulosic or similar materials.
Hay varias formas de fabricación del papel compacto hidrófugo con lámina. La lámina (3) de polímero puede ser fabricada por extrusión directa entre las dos capas (1,2) de papel, en sus respectivas caras internas, que se aprietan sobre la lámina (3) extrusionada antes de que se enfríe, creando una sola unidad inseparable. También puede ser fabricada por termo sellado o por transferencia de calor, usando lámina (3) que ya ha sido extrusionada con anterioridad, en estado frio antes de la aplicación entre las capas (1,2) adhiriéndola por transferencia de calor, bien sea aplicado a cualquiera de las capas (1,2) o a la lámina (3) ya extrusionada o a todas (1,2,3).There are various ways of manufacturing compact water-repellent paper with foil. The polymer sheet (3) can be manufactured by direct extrusion between the two layers (1,2) of paper, on their respective internal faces, which are pressed onto the extruded sheet (3) before it cools, creating a single layer. inseparable unity. It can also be manufactured by heat sealing or by heat transfer, using sheet (3) that has already been extruded previously, in a cold state before application between the layers (1,2) adhering it by heat transfer, either applied to any of the layers (1,2) or to the sheet (3) already extruded or to all (1,2,3).
Otro procedimiento de fabricación es por adhesión con colas calientes o frías, de procedencia sintética o natural. Partiendo de la base de dos capas (1,2) de papel les aplicamos cola fría o caliente en la cara interna de ambas capas (1,2), e intercalamos en su centro una lámina (3) que ya ha sido extrusionada con anterioridad, en estado frio, antes de la unión final. También existiría la posibilidad de aplicar la cola fría o caliente a la lámina (3) y la adherimos a las capas (1,2) de papel en la parte central del producto final.Another manufacturing procedure is by adhesion with hot or cold glues, of synthetic or natural origin. Starting from the base of two layers (1,2) of paper, we apply hot or cold glue to the inside of both layers (1,2), and insert a sheet (3) in its center that has already been previously extruded, in a cold state, before the final union. There would also be the possibility of applying the hot or cold glue to the sheet (3) and adhere it to the layers (1,2) of paper in the central part of the final product.
Dentro de este procedimiento también se puede realizar la lámina (3) mediante la aplicación directa del polímero (por ejemplo un termoplástico) sobre una o las dos capas (1,2), conformando la lámina (3) directamente sobre éstas. Este polímero aplicado puede tener procedencia biológica, del reino animal, mineral, vegetal o sintética. Within this procedure, the sheet (3) can also be made by direct application of the polymer (for example, a thermoplastic) on one or both layers (1,2), forming the sheet (3) directly on them. This applied polymer may have a biological, animal, mineral, vegetable or synthetic origin.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES202130499A ES2929862A1 (en) | 2021-06-02 | 2021-06-02 | Compact water-repellent paper with intermediate polymer (Machine-translation by Google Translate, not legally binding) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES202130499A ES2929862A1 (en) | 2021-06-02 | 2021-06-02 | Compact water-repellent paper with intermediate polymer (Machine-translation by Google Translate, not legally binding) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2929862A1 true ES2929862A1 (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES202130499A Withdrawn ES2929862A1 (en) | 2021-06-02 | 2021-06-02 | Compact water-repellent paper with intermediate polymer (Machine-translation by Google Translate, not legally binding) |
Country Status (1)
| Country | Link |
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| ES (1) | ES2929862A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1011795A (en) * | 1961-08-23 | 1965-12-01 | Petrolite Corp | Laminated sheet materials and cartons thereof |
| WO1993011300A1 (en) * | 1991-11-25 | 1993-06-10 | Raision Tehtaat Oy Ab | A method for reducing the permeability of paper and board and a substance for the method |
| US5403443A (en) * | 1991-05-14 | 1995-04-04 | Ginestet I Cusso; Ramon | Cardboard with high resistance to tearing and method of manufacturing same |
| JP2003175570A (en) * | 2001-10-05 | 2003-06-24 | Oji Paper Co Ltd | Method for manufacturing moistureproof paper |
| US20160288469A1 (en) * | 2013-11-22 | 2016-10-06 | Mayr-Melnhof Karton Ag | Layered material and device and method for producing a layered material |
-
2021
- 2021-06-02 ES ES202130499A patent/ES2929862A1/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1011795A (en) * | 1961-08-23 | 1965-12-01 | Petrolite Corp | Laminated sheet materials and cartons thereof |
| US5403443A (en) * | 1991-05-14 | 1995-04-04 | Ginestet I Cusso; Ramon | Cardboard with high resistance to tearing and method of manufacturing same |
| WO1993011300A1 (en) * | 1991-11-25 | 1993-06-10 | Raision Tehtaat Oy Ab | A method for reducing the permeability of paper and board and a substance for the method |
| JP2003175570A (en) * | 2001-10-05 | 2003-06-24 | Oji Paper Co Ltd | Method for manufacturing moistureproof paper |
| US20160288469A1 (en) * | 2013-11-22 | 2016-10-06 | Mayr-Melnhof Karton Ag | Layered material and device and method for producing a layered material |
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