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[Chemical Knowledge]：Testing Method and Analysis Technology of SIS Rubber

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SIS Rubber Introduction and Testing Method

SIS rubber, namely cis-butyl-isoprene-styrene copolymer, is an important synthetic rubber material with excellent physical and chemical properties, and is widely used in automobile tires, industrial products, medical equipment and other fields. In order to ensure the quality of SIS rubber products and improve production efficiency, various detection methods and analysis techniques are widely used in the production and processing of SIS rubber.

1. physical performance testing method

1. Tensile property test: The SIS rubber sample was stretched by a tensile tester, and its tensile strength, elongation at break and other parameters were measured to evaluate its tensile properties and toughness.

2. Hardness test: The surface hardness of SIS rubber samples is measured by using a hardness tester. Commonly used hardness test methods include Douche hardness and Rockwell hardness.

3. Elastic recovery test: The elastic performance of the SIS rubber sample was evaluated by measuring its ability to recover to the original shape after being released after being compressed to a certain extent.

2. chemical performance testing method

1. Chemical composition analysis: Using chromatography-mass spectrometry (GC-MS) and other methods to analyze the content and composition of various chemical components in SIS rubber samples to ensure that they meet relevant standards and requirements.

2. Aging resistance test: through accelerated aging test, the aging of SIS rubber is simulated in the actual use process, and its aging resistance and service life are evaluated.

3. Environmental adaptability test: The SIS rubber sample is exposed to different environmental conditions (such as high temperature, low temperature, humidity, etc.), the changes of its physical and chemical properties are observed, and its adaptability in various environments is evaluated.

3. microstructure analysis technique

1. Scanning electron microscope (SEM): The surface morphology and microstructure of SIS rubber samples were observed by SEM, and the surface roughness and pore structure were analyzed.

2. Transmission electron microscope (TEM): The internal structure and microstructure of SIS rubber samples were observed by TEM technology, and the molecular arrangement and phase separation were analyzed.

4. non-destructive detection technology

1. Infrared spectroscopy (FTIR): The SIS rubber sample is analyzed by FTIR technology to identify its molecular structure and chemical composition, and to detect possible impurities and defects.

2. Nuclear magnetic resonance (NMR): NMR technology is used to analyze SIS rubber samples, obtain its molecular structure and spatial configuration information, and evaluate its quality and purity.

The above-mentioned detection methods and analysis techniques provide reliable technical support for the production and processing of SIS rubber, help to ensure its product quality and stable performance, and promote the continuous development and progress of SIS rubber industry.

SIS Rubber Application and Future Prospects

SIS rubber, as an excellent synthetic rubber material, has good physical and chemical properties, and has a wide range of applications in various fields.

1. automobile industry

SIS rubber is widely used in the manufacture of automobile tires, seals, shock absorbers and other parts. Its excellent wear resistance, high temperature resistance and anti-aging performance can effectively improve the performance and safety of automobile products.

2. building engineering

SIS rubber can be used in building sealing materials, waterproof materials and other fields. It has good flexibility and adhesion, can effectively prevent the building structure from moisture and water leakage, and improve the service life and safety of the building.

3. medical devices

SIS rubber can be used in the manufacture of medical devices, such as medical gloves, infusion tubes, etc., its non-toxic, tasteless, corrosion-resistant characteristics, to ensure the safety and health of medical devices in contact with the human body.

In the future, with the continuous progress of science and technology and the continuous expansion of SIS rubber applications

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