Adhesive tape stripping liquid for criminal cases and preparation method thereof

A stripping solution and case technology, applied in applications, medical science, sensors, etc., can solve the problems of long stripping time, damage, and weak stripping ability, and achieve the effect of ensuring effective stripping, reducing the degree of damage, and expanding the scope of use.

Inactive Publication Date: 2018-07-24
李朋林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The most commonly used traditional stripping solution is made by mixing N,N-dimethylformamide and absolute ethanol at a volume ratio of 1:1. Although this stripping solution can achieve partial stripping of the tape, its disadvantages are relatively Significantly, for example, the peeling ability is not strong, and the adhesive tape itself cannot be peeled off. The peeling time is too long. What's more, if the time is not grasped, it is easy to cause fingerprints to be soaked in the peeling solution for a long time and cause damage, which will affect the detection of the case. process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] A tape stripping solution for criminal cases, the composition and volume ratio of the stripping solution are: 30% ethyl acetate, 18.7% acetone, and 59.3% ethanol.

[0013] Its production steps are as follows:

[0014] (1) Wear protective gloves on your hands and a protective headgear on your head, and carefully check whether the protection is tight;

[0015] (2) Measure 30ml of pure ethyl acetate solution, 18.7ml of pure acetone solution, and 59.3ml of pure ethanol solution in a specific airtight container for mixing, and prevent mixing of acetone during the mixing process.

[0016] For different types of adhesive tapes, in the specific implementation, the volume of ethanol is fixed, and the volume of ethyl acetate and acetone is changed by changing the volume gradient of 2ml, which can be applied to different types of adhesive tapes and achieve the best peeling effect. .

[0017] When the present invention is actually implemented, (1) when the application object is t...

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PUM

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Abstract

The invention relates to adhesive tape stripping liquid for criminal cases. The stripping liquid comprises the following components in volume ratios: 29-33% of ethyl acetate, 18.1-19% of acetone and 58-60% of ethanol. The invention also relates to a preparation method of the adhesive tape stripping liquid for criminal cases, and the preparation method comprises the following preparation steps: (1)wearing protective gloves on hands and a protective hood on the head, and carefully checking whether the protection is tight; and (2) measuring 29-33ml of a pure ethyl acetate solution, 18.1-19ml ofa pure acetone solution and 58-60ml of a pure ethanol solution with a special sealed container for mixing, and preventing acetone from volatilizing during the mixing process. According to the preparation method provided by the invention, by setting 30% of ethyl acetate, 18.7% of acetone and 59.3% of ethanol, the purpose of rapid adhesive tape stripping is achieved, and the adhesive tape strippingliquid is suitable for many types of adhesive tapes and can be widely applied to the technical field of adhesive tape peeling liquids.

Description

technical field [0001] The invention relates to the technical field of tape stripping liquid, in particular to a tape stripping liquid for criminal cases. The invention also relates to a preparation method of tape stripping liquid, in particular to a preparation method of tape stripping liquid for criminal cases. Background technique [0002] At present, adhesive tape has become a necessary daily necessities for us to study and work. It has a wide range of uses and brings us a lot of convenience. However, adhesive tape has increasingly become a tool for some criminals, such as kidnapping cases, bombing cases, and murder cases. Therefore, it is particularly important to peel off the sticky surface of the tape left at the crime scene and extract its fingerprints. The most commonly used traditional stripping solution is made by mixing N,N-dimethylformamide and absolute ethanol at a volume ratio of 1:1. Although this stripping solution can achieve partial stripping of the tape...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/1172
CPCA61B5/1172
Inventor 李朋林
Owner 李朋林
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