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Heated area element

A flat element and heating layer technology, applied in the field of bonding assemblies and heating bonding assemblies, can solve the problems of wrinkles and impossible to provide mirrors, etc.

Inactive Publication Date: 2010-09-29
TESA SE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even when using highly flexible planar elements, it is not possible to provide such a two-dimensionally curved mirror with a sufficiently stable connection, since there are still partial or complete separations, as well as wrinkles

Method used

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Examples

Experimental program
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specific Embodiment approach

[0119] According to another embodiment, the at least one self-adhesive adhesive may also comprise or be based on natural or synthetic rubber components. For self-adhesive adhesives comprising natural rubber, the natural rubber is ground to a freely selectable molecular weight and fillers (such as tackifier resins) that enhance bond strength are added, and conductive fillers may also be added. For one embodiment, partially crystalline polymers such as EVA (ethylene-vinyl acetate) can also be used as self-adhesive binders or added.

[0120] It is preferred to use the general formula CH 2 =C(R 1 )(COOR 2 ”) acrylic or methacrylic monomers, including acrylates and methacrylates, R1 The group is selected from the compounds already described above and R 2 "The group is selected from saturated, unbranched and branched, substituted and unsubstituted C 4 to C 14 Alkyl, more specifically C 4 to C 9 alkyl. Without wishing to be limited by the enumeration below, specific examples ...

Embodiment 1

[0224] Example 1: 53°C

Embodiment 2

[0225] Example 2: 54°C

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Abstract

The invention provides a planar element which is intrinsically heatable and which is particularly suitable for attachment to multi-dimensionally curved surfaces. For this purpose the planar element features particularly high deformability, achieved in accordance with the invention through a planar element having a layer sequence comprising a heating layer and a contacting layer, each of these twolayers being composed of a polymeric material based on elastomers and / or on plastic polymers which have a particular elongation at break and at the same time a particular tensile elasticity modulus. Furthermore, the invention provides an adhesively bonded assembly comprising a bonding substrate and a planar element of the aforesaid kind, a method of producing a planar element of the aforesaid kind, and the use of such a planar element for heating an adhesively bonded assembly.

Description

technical field [0001] The invention relates to a self-adhesive planar element comprising a heating layer and a contact layer, the heating layer being in contact with one of the two sides of the contact layer and being in electrical communication therewith. The heating layer is composed of an inherently heatable first polymer material, the first polymer material is formed as a conductor, and the temperature of the first polymer material increases when an electric current passes through it. The invention also relates to a bonded assembly comprising a bonding substrate and a planar element as described above, and to the use of the planar element for heating the bonded assembly. Background technique [0002] Electric heating is used in many fields to heat objects or spaces. In electrical heating, heat in the form of thermal energy is converted from electrical energy, including electromagnetic energy. Electric heating is basically based on a different technical principle. [...

Claims

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Application Information

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IPC IPC(8): H05B3/36H05B3/12C09J9/02B60J1/20B60R1/06
CPCH05B2214/04H05B2203/02H05B2203/006H05B2203/029H05B3/146B60R1/0602H05B3/34H05B3/845B60L2200/26Y02T90/16
Inventor 克劳斯·基特-特尔根布舍莫尼卡·琼汉斯伯恩德·迪茨尤多·多米尼凯特弗兰克·多曼尤特·埃尔琳曼韦罗妮卡·拉姆
Owner TESA SE
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