Sample for detecting dispersion state of filler and preparation method and use method of sample

一种分散状态、复合材料的技术，应用在测试用样品的制备、测试复合材料、通过光学手段进行材料分析等方向，达到简化结构、通用性好、防止脱落的效果

Active Publication Date: 2018-09-07
SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no simple and effective method to measure the dispersion state of fillers in the matrix of polymer composites under different forces.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] A sample for detecting the dispersion state of a filler, which is used to detect the dispersion state of a filler in a high polymer composite material; the sample includes a high polymer composite material and a loading device for applying a load to the high polymer composite material; The polymer composite material is loaded and deformed by the loading device, and then positioned on the loading device by the positioning mechanism, so that the polymer composite material remains deformed, so that the polymer composite material and the loading device form a sample inner core; the sample inner core is wrapped in a In the cured body formed by curing the curing agent.

[0025] In this specific embodiment, the loading device includes a supporting rod, and both ends of the supporting rod are connected with supporting chucks for clamping the polymer composite material, and the loading device also includes a supporting chuck capable of Positioning positioning mechanism; the two ...

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Abstract

The invention discloses a sample for detecting the dispersion state of filler. The sample is used for detecting the dispersion state of the filler in a polymer composite. The sample comprises the polymer composite and a loading device for applying a load to the polymer composite, wherein the polymer composite deforms through loading by the loading device and is located on the loading device through a locating mechanism, so that the polymer composite remains deformed and forms a sample core with the loading device; the sample core is wrapped in a cured body formed by curing of a curing agent. The invention further provides a preparation method. The preparation method comprises the following steps: applying the load to the polymer composite for deformation, keeping deformation of the polymercomposite on the loading device by the locating mechanism to form the sample core, and curing the sample core. The invention also provides a use method. The use method comprises the following steps:slicing the sample and observing the slice under an atomic force microscope. The shape and dispersion state of the filler in the composite under different load conditions can be tested simply and effectively.

Description

technical field [0001] The invention belongs to the field of material characterization methods, in particular to a method for detecting the change of filler distribution in a polymer composite material when load changes. Background technique [0002] A polymer is a compound with a large molecular weight formed by the polymerization of one or several simple low-molecular compounds, also known as a macromolecule or a macromolecule. When using high polymer materials, it is often necessary to add other fillers to reinforce the high polymer to form a higher strength high polymer composite material. For example, in the preparation of tread rubber for automobile tires, it is necessary to add a large amount of carbon black to raw rubber materials such as natural rubber, styrene-butadiene rubber, and cis-isoprene rubber to improve its physical and mechanical properties. The dispersion state of the filler in the polymer matrix will have a great influence on the performance of the pol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/36G01N21/84
CPCG01N1/36G01N21/84G01N2001/364G01N2021/8472
Inventor 附青山张伟文浪张磊陈雪丹李明田杨瑞嵩陈建罗宏袁力
Owner SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING
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