Electrically conductive paper structure, method for producing an electrically conductive paper structure and use

文档序号:411432 发布日期:2021-12-17 浏览:40次 中文

阅读说明:本技术 导电的纸结构、用于制造导电的纸结构的方法和应用 (Electrically conductive paper structure, method for producing an electrically conductive paper structure and use ) 是由 R.塞德勒 D.伦森 M.R.J.谢勒 C.亨格 E.巴赫尔 于 2020-04-27 设计创作,主要内容包括:本发明涉及一种导电的纸结构,所述纸结构具有含纤维素的纤维材料和导电纤维,其中,在导电的纸结构中,从纸结构的一个端部至对置的端部嵌入连续的用于接触导电的纸结构的导电的线丝。(The invention relates to an electrically conductive paper structure having a cellulose-containing fiber material and electrically conductive fibers, wherein, in the electrically conductive paper structure, continuous electrically conductive threads for contacting the electrically conductive paper structure are embedded from one end to the opposite end of the paper structure.)

1. An electrically conductive paper structure having a cellulose-containing fibre material and electrically conductive fibres, characterized in that in the electrically conductive paper structure, from one end to the opposite end of the paper structure, a continuous electrically conductive thread is embedded for contacting the electrically conductive paper structure.

2. The electrically conductive paper structure of claim 1, wherein in the electrically conductive paper structure a plurality of continuous electrically conductive threads for contacting the electrically conductive paper structure are embedded from one end of the paper structure to the opposite end, wherein the plurality preferably has a value in the range of two to eight, particularly preferably in the range of two to six.

3. The electrically conductive paper structure according to claim 1 or 2, wherein said electrically conductive fibers are metal fibers, in particular metal chopped fibers, having a preferred fiber length in the range of 3mm to 12mm, and/or said electrically conductive fibers are carbon fibers.

4. The electrically conductive paper structure according to one of claims 1 to 3, wherein said electrically conductive paper structure comprises additional electrically conductive material, in particular carbon particles and/or carbon nanotubes.

5. The electrically conductive paper structure according to one of claims 1 to 4, wherein the electrically conductive threads for contacting the electrically conductive paper structure are metal wires, metal threads, metal strips, metal-coated threads based on a carrier substrate, such as a plastic film, laminates made of (plastic) films and metal films, metal braids, plaits, knits or flat metal strips.

6. The electrically conductive paper structure according to any one of claims 1 to 5, wherein said paper structure is based on a single paper layer, in which conductive threads for contacting said electrically conductive paper structure are embedded.

7. The electrically conductive paper structure according to any one of claims 1 to 5, wherein said paper structure is based on two spaced apart paper layers between which electrically conductive threads for contacting said electrically conductive paper structure are arranged.

8. The electrically conductive paper structure of any one of claims 1 to 7,

-the conductive threads for contacting the conductive paper structure are completely embedded in the paper structure, so that the threads are not visible to a viewer from the front side and the back side; or

The thread is embedded in the paper structure such that the thread is freely contactable in the paper structure on one side; or

The threads are embedded in the paper structure in such a way that the threads are locally exposed on their surface at least at one point of the paper structure.

9. The electrically conductive paper structure of any one of claims 1 to 8, wherein said electrically conductive paper structure additionally has chemical additives and residual moisture.

10. The electrically conductive paper structure of any one of claims 1 to 9, wherein said electrically conductive paper structure is additionally printed with a conductive pattern of conductor circuits.

11. The electrically conductive paper structure of claim 10, wherein in said electrically conductive paper structure, two or more continuous electrically conductive threads for contacting said electrically conductive paper structure are embedded from one end of the paper structure to an opposite end, wherein the threads are respectively embedded in the paper structure such that each thread is locally exposed on its surface at a plurality of locations of the paper structure, wherein the electrically conductive paper structure is printed with a conductive pattern of conductor circuits such that contact of the conductive pattern with the threads embedded in said paper structure is achieved through the locally exposed locations of the threads.

12. A method for producing an electrically conductive paper structure according to one of claims 1 to 11, having:

-providing a material suspension consisting of cellulose-containing fibrous material and water;

-optionally adding at least one chemical additive;

-adding electrically conductive fibres;

-introducing at least one continuous, electrically conductive wire into a material suspension in an endless screen papermaking machine, wherein the wire is guided onto the endless screen such that embedding of the wire in the fibrous structure is achieved during page formation or during web formation.

13. The method of claim 12, wherein the paper structure is formed such that the paper structure is comprised of two spaced apart paper layers and the wire is disposed between the paper layers.

14. Use of an electrically conductive paper structure according to one of claims 1 to 11 as a heating element, as an element for electromagnetic shielding or as an element for signal detection.

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