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[Chemical Knowledge]：Properties and Uses of SIS Rubber

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The nature and use
of SIS rubber in the field of raw materials for chemical production
Abstract

This paper introduces in detail the nature and use of SIS rubber in the field of raw materials for chemical production. SIS rubber is a styrene-isoprene-styrene triblock copolymer with excellent thermal stability, oxidation resistance, oil resistance, chemical resistance and mechanical properties. Therefore, SIS rubber has a wide range of applications in the production of chemical products, can be used as a toughening agent, modifier, adhesive, etc., to improve the performance and quality of products.

1. Properties of SIS Rubber

SIS rubber is a styrene-isoprene-styrene triblock copolymer in which the styrene segment provides hardness and heat resistance and the isoprene segment provides elasticity and low temperature toughness. SIS rubber has the following properties:

1. Thermal stability: SIS rubber has high temperature stability, can be processed and used at high temperatures, and is not easy to decompose and age.

2. oxidation resistance: SIS rubber has good oxidation resistance and can be used for a long time in oxidizing medium without damage.

3. Oil resistance: SIS rubber has good oil resistance and can be used for a long time in oily media without swelling and dissolving.

4. Chemical resistance: SIS rubber has good chemical resistance and can be used in various chemical media without corrosion.

5. Mechanical properties: SIS rubber has excellent mechanical properties, including high tensile strength, high tear strength, high elongation, etc.

2. the use of SIS rubber

in the field of chemical production raw materials, SIS rubber has a wide range of uses, mainly including the following aspects:

1. Toughening agent: SIS rubber can be used as a toughening agent added to plastics, rubber and other materials, improve its impact strength and toughness, improve product processing performance and performance.

2. modifier: SIS rubber can be used as a modifier added to a variety of chemical products, improve its performance and improve its quality, expand the scope of application of products.

3. Adhesive: SIS rubber can be used as an adhesive for bonding various materials, with high bonding strength and durability.

4. Sealing material: SIS rubber can be used as a sealing material for sealing various chemical equipment, with excellent oil resistance, chemical resistance and sealing performance.

3. SIS rubber production process

SIS rubber production process mainly uses solution polymerization method, styrene and isoprene as monomers, in the solvent for copolymerization reaction, to obtain SIS rubber. In the production process, it is necessary to control the monomer ratio, reaction temperature, reaction time and other parameters to ensure the quality and performance of the product. At the same time, it is necessary to pay attention to environmental protection and safety issues in the production process to ensure that the production process meets environmental protection and safety standards.

4. SIS rubber market prospects

With the continuous development and expansion of the chemical market, SIS rubber as an important chemical production raw materials, its market prospects. In the future, with the continuous progress and application of science and technology, the performance and application of SIS rubber will be further expanded, and the market demand will be further increased. At the same time, with the continuous improvement of environmental awareness and the requirements of sustainable development, the production process and environmental performance of SIS rubber will be further improved and enhanced.

Conclusion

In conclusion, SIS rubber as an important raw material for chemical production has excellent properties and a wide range of uses. In the future development, we should further strengthen research and development, improve product performance and quality, expand its application areas and market share, and make greater contributions to the development of the chemical production industry.

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