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Vitrification transition temperature detection method based on grating coating of wire drawing tower

A technology of glass transition and detection method, which is applied in the directions of thermometers, thermometers, and heat measurement by physical/chemical changes, which can solve the problems of insufficient glass transition temperature testing and achieve the effect of simple and convenient testing methods.

Active Publication Date: 2021-11-19
WUHAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to provide a glass transition temperature detection method based on the drawing tower grating coating, which is used to solve the problem that the glass transition temperature of the drawing tower grating coating is insufficient in the existing thermal analysis test method

Method used

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  • Vitrification transition temperature detection method based on grating coating of wire drawing tower
  • Vitrification transition temperature detection method based on grating coating of wire drawing tower
  • Vitrification transition temperature detection method based on grating coating of wire drawing tower

Examples

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Embodiment 1

[0039] In this example, two polyacrylate glues produced by Shanghai Feikai Photoelectric Materials Co., Ltd. were used to verify the above test method, and the DMA method was used to test the two kinds of glue. The results are as follows figure 2 As shown, 2(a) is No. 2 test glue, and 2(b) is No. 1 test glue. Among them, the model of No. 1 test glue is KG200-2, which has fast curing speed, large modulus, good mechanical strength, high glass transition temperature, and the known range of glass transition temperature is about 80°C, which belongs to type I polymer coating. Layer; No. 2 test glue model is KG100-1Y-1, the glue curing speed is fast, the modulus is low, the elasticity is good, the known range of the glass transition temperature is -50 ~ -30 ℃, it belongs to the type II polymer coating.

[0040] By the height of the modulus of elasticity of the two kinds of test glues, the No. 1 test glue is selected to be tested in the glass transition temperature testing device bas...

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Abstract

The invention discloses a vitrification transition temperature detection method based on a grating coating of a fiber drawing tower. The vitrification transition temperature detection method based on a grating coating of a fiber drawing tower comprises the following steps: selecting a first coating test method or a second coating test method according to the known range of the vitrification transition temperature of a to-be-detected coating of a fiber drawing tower optical fiber; and performing testing in a vitrification transition temperature testing device based on the grating coating of the wire drawing tower. According to the method, the known range of the to-be-tested coating is preliminarily classified, then the first coating testing method and the second coating testing method are adaptively selected, and in cooperation with the vitrification transition temperature testing device based on the wire drawing tower grating coating, vitrification transition temperatures of a coating with higher Tg and a coating with lower Tg are accurately tested, so that a to-be-tested grating coating sample does not need to be specially treated, and the testing method is simple.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a glass transition temperature detection method based on a wire drawing tower grating coating. Background technique [0002] Polymer coatings are usually used to protect or decorate the surface of objects, and some special polymer coatings (such as acrylate resin, epoxy resin, polyimide, etc.) layer also has the feature of increasing its temperature and pressure sensitivity. Generally speaking, these polymer materials have the advantages of good elasticity, good chemical stability, not easy to age, and wear resistance. After curing, they can form a film with good gloss, water resistance, firm adhesion, and not easy to peel off. [0003] As we all know, the stability of a sensor is one of the important indicators of its performance. The coating material of the fiber grating sensor is closely related to its sensing stability. The property of the polymer coating is unstable near t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K11/3206G01N25/12
CPCG01K11/3206G01N25/12
Inventor 郭会勇陈港川范典唐健冠姜德生
Owner WUHAN UNIV OF TECH
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