ES1263919U - MULTIFUNCTIONAL THERMAL MATERIAL (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Multifunctional thermal material for packaging, characterized in that it is constituted from a multi-layer structure, in which at least one core (1) of super-absorbent polymer participates embedded within a thermal cellulose-type material and a support layer (2) of perforated plastic material that allows the passage of liquids, all arranged between at least one sheet of rigid, semi-rigid or flexible material (3-4). (Machine-translation by Google Translate, not legally binding)

Description

DESCRIPTION

Multifunctional thermal material

TECHNICAL SECTOR

The present invention refers to a multifunctional material to preserve and stabilize the temperature of any element for a certain time.

The material is made up of a succession of layers that produce a thermal insulator that makes it possible to maintain the temperature.

This material can be die-cut, folded, manipulated and printed according to the demand required by each product. In the case of hot or cold products, it helps to preserve the temperature with respect to that of the environment, making the thermal curve suffer less variation in the same percentage of time than a product exposed to the temperature of the environment.

The use of polymers, in addition to providing a thermal effect, allows to contain the spillage of liquids and / or detect the breakage of the cold chain, since the water obtained from the melting of ice will be absorbed by the polymers and will modify the structure of the material.

The effect of liquids on polymers also avoids contaminating adjacent objects or substances.

One of the prominent uses of the invention is that custom, industrially printed layers of paper can be added to it for both commercial marketing and personal use.

The components of the invention allow to be heated in the microwave.

BACKGROUND OF THE INVENTION

Currently the products that are dispensed on the sales surfaces do not consist of a low-cost thermal protective packaging, and the thermal preservation methods involve the transfer or acquisition of a thermal container before formalizing the act of purchase. The use of materials such as thermal bags Aluminized with high-density insulators implies a higher cost and pollution to the environment.

All this means that brands / products that need a thermal requirement for optimal consumption lose sales, since these products need to be heat treated a second time to be consumed. The creation of a container that allows the thermal retention of the product is a differentiating element that will increase the manufacturer's sales.

Consequently, manufacturers of products with a thermal requirement for consumption need individual or collective containers that allow their transfer without a drastic loss or gain in temperature, and that can be customizable, efficient, recyclable and at a reasonable production cost.

Temperature variations in transport and transfer make a product lose its properties for optimal consumption. Being able to move a product from the point of sale to the place of consumption with minimal thermal variation in a low-cost container guarantees increased consumption. Consume the product within the range of temperatures recommended by the manufacturer or that the products have a low thermal variation is a differentiating aspect with respect to the competition that allows to increase sales.

EXPLANATION OF THE INVENTION

The multifunctional thermal material for packaging that is recommended solves in a fully satisfactory way the problems set out above, based on a simple but effective solution.

For this, and more specifically, the material of the invention is constituted from a multi-layer structure, in which at least one or more super-absorbent polymer cores embedded within a thermal cellulose-type material and a Perforated plastic support layer that allows the liquid to pass through. All this arranged between two sheets of rigid, semi-rigid or flexible material.

The core may have a laminar structure or based on tubular elements between which a layer of material with absorbent, liquid retention and / or thermal insulation capacity is arranged.

The layer or layers of the material may optionally be micro-perforated, in order to let steam out and retain moisture, which improves retention. This system allows air flow through the interior of the material, achieving better thermal stability.

More specifically, the core is obtained from any of the following materials:

• Polyacrylates,

• Polyacrylamides

• Polyvinyl alcohol

• Composite fiber (cellulose, cotton, polyester ...)

• Polyethylene

• Polypropylene

• Paperboard

• Cellulose

• Rubber.

For its part, the layer of material arranged in the core based on strips or tubes of super-absorbent material, is obtained from any of the following materials:

• Polyacrylates,

• Polyacrylamides

• Polyvinyl alcohol

• Composite fiber (cellulose, cotton, polyester ...)

• Polyethylene

• Polypropylene

• Paperboard

• Rubber.

The applications of this multilayer thermal system would be to maintain the temperature both cold and hot of products such as food, bottles, cans, etc. In addition, due to its super absorbent material, the system can retain liquids from spills produced by breakage during transport, avoiding damaging other products. This property of the invention allows us to detect the breakage of the cold chain because it is sensitive to the liquids that are produced during the thawing of food or material.

BRIEF DESCRIPTION OF THE DRAWINGS

To complement the description that is going to be made below and with the aim of helping a better understanding of the characteristics of the invention, according to a preferred example of a practical embodiment thereof, a set of drawings is attached as an integral part of said description. where, with an illustrative and non-limiting nature, the following has been represented:

Figure 1.- Shows a sectional exploded view of an example of a practical embodiment of the thermal material of the invention, in a specific embodiment in which a core formed by threads or filaments of superabsorbent material, thermal cellulose and a layer participate. External polymer plastic coating. The filaments and threads are integrated into the fluting layers of the cardboard, facilitating the adhesion of the upper and lower layers of the cardboard and thus allowing the die-cutting of the material.

Figure 2.- Shows a perspective view of the process for obtaining the variant embodiment of Figure 1.

PREFERRED EMBODIMENT OF THE INVENTION

In view of the figures outlined, it can be seen, according to the embodiment of figures 1 and 2, as in the thermal material of the invention, we have the following materials that make up the multiple layers:

- In the first place, we have a core (1) made up of threads or filaments made of cellulose cotton as support material for the sodium polyacrylate particles, which is the superabsorbent material. These filaments or threads can be covered by a polypropylene support layer, which retains the cellulose and the sodium polyacrylate particles and, in addition, allows the passage of the liquid inside.

- These threads or filaments will be introduced into the fluting holes of the cardboard, acting as support material (2) in such a way that it serves as a structural support for the element.

The placement of the filaments in the fluting of the cardboard allows the upper layer (3) and the lower layer (4) of the cardboard to be adhered without touching the product so that it can later be die-cut.

Claims (7)

1a.- Multifunctional thermal material for packaging, characterized in that it is constituted from a multi-layer structure, in which at least one super-absorbent polymer core (1) embedded within a thermal cellulose-type material and a layer participates support (2) of perforated plastic material that allows the passage of liquids, all arranged between at least one sheet of rigid, semi-rigid or flexible material (3-4). 2.- Multifunctional thermal material for packaging, according to claim 1, characterized in that the core has a laminar or tubular structure. 3.- Multifunctional thermal material for packaging, according to claims ia and 2, characterized in that the core is obtained from tubular elements between which a layer of thermal material and a support layer (2) are arranged, a set that is arranged between a pair of sheets (3-4) of cardboard. 4.- Multifunctional thermal material for packaging, according to claim 1, characterized in that the sheets of rigid, semi-rigid or flexible material include micro-perforations on one or both sides as required. 5.- Multifunctional thermal material for packaging, according to claim 1, characterized in that the support layer (2) has a corrugated configuration. 6.- Multifunctional thermal material for packaging, according to claim 1, characterized in that the core is obtained from any of the following materials: • Polyacrylates, • Polyacrylamides • Polyvinyl alcohol • Composite fiber (cellulose, cotton, polyester ...) • Polyethylene • Polypropylene • Paperboard • Cellulose • Rubber. 7.- Multifunctional thermal material for packaging, according to claim 2, characterized in that the layer of material arranged in the core based on strips or tubes of super-absorbent material, is obtained from any of the following materials: • Polyacrylates, • Polyacrylamides • Polyvinyl alcohol • Composite fiber (cellulose, cotton, polyester ...) • Polyethylene • Polypropylene • Paperboard • Rubber.