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Safety recording medium

Inactive Publication Date: 2019-11-19
素材的脉有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the dedusting and beneficiation process in the pulping process, a considerable amount of detection substances is lost, and in the subsequent papermaking process, the retention rate of the detection substances in the mixed pulp pulp is significantly reduced, resulting in the final production The detection power of the safety paper is significantly reduced, and there is also a problem that the production unit price increases due to the loss of detection materials

Method used

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Examples

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Embodiment 1 to Embodiment 5

[0118] The substance for detection is manufactured by the deformed and corrected Taylor-Ulitovski method, so that the nucleus is an amorphous alloy of Fe, Co, Ni, Cr, B, Si, etc., and the thickness reaches about 5 to 90 μm , the shell uses silicon dioxide in the form of oxides, and the thickness reaches 1-30 μm. Prepare the detection material so that it exhibits the characteristics shown in the following table 1. After mixing with pulp and pulp, make paper to make a double glue with a thickness of 90 μm Paper.

[0119] Table 1

[0120]

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Abstract

The invention discloses a safety recording medium. The safety recording medium includes a detection substrate layer integrally formed by a printable substrate and detection substances. The printable substrate is paper or a film. The length of two directions from a first direction, a second direction and a third direction in which the detection substances are orthogonal to each other is 1-200 [mu]m, and the length of the other direction is 0.2-20 mm. The detection substances contain, by weight, 5-50% of at least one of carbon, hydrogen, oxygen and nitrogen in the total weight of the detection substances.

Description

technical field [0001] The present invention relates to a recording medium for security, and more specifically, to a recording medium for security containing a detection substance in order to prevent the recording medium such as paper or film from flowing out to the outside. Background technique [0002] Paper is used for various purposes such as writing and printing, and has been used as a recording medium in particular for a long time. [0003] In general, the papermaking process for producing paper consists of a pulping process, a papermaking process, a coating process, and a processing process, and the specific processes are as follows. [0004] The pulping process is the process before the paper stock is sent to the paper machine. After the pulp, which is the main raw material of paper, is dissociated, beaten, and mixed with various chemicals such as fillers, it is passed through a cleaner, a filter, etc. Dust removal and selection process, sent to the headbox of the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H21/42
CPCD21H21/42
Inventor 郑泽龙金宰焕李明信
Owner 素材的脉有限公司
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