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[Chemical Knowledge]：Properties and Uses of SEBS

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SEBS (hydrogenated styrene-butadiene block copolymer) is an important raw material for chemical production, which has unique properties and a wide range of applications. This article will detail the nature and use of SEBS.

1. SEBS properties

1. Physical properties
SEBS is a transparent, amber elastomer with high hardness, strength and good processing properties. It also has excellent resistance to oxidation, ozone, ultraviolet and weather.

2. Chemical properties
SEBS has stable chemical properties and has good tolerance to acids, alkalis, salts and other chemicals. At the same time, it also has good oil resistance.

3. Thermal properties
SEBS has high thermal stability, can be used at high temperatures, and has good low temperature toughness.

2. the use of SEBS

1. modifier
SEBS can be used as a modifier for plastic, rubber and other materials, can improve the toughness of the material, strength, processing performance, etc. For example, SEBS can be blended with polypropylene (PP) to prepare PP/SEBS blends with excellent toughness and processability, which are widely used in automobiles, home appliances and other fields.

2. Adhesive
SEBS has good bonding performance and can be used as an adhesive for bonding between different materials. For example, SEBS can be used as the basic material of hot melt adhesive for bonding paper, fabric, leather and other materials.

3. Sealant
SEBS has good sealing performance and can be used as a sealant for sealing pipes, valves and other equipment. At the same time, it can also be used for waterproof sealing in the construction field.

4. cable material
SEBS has good electrical insulation performance and processing performance, can be used as the basic material of cable material, used for the preparation of wire and cable sheath and insulation layer.

In short, SEBS, as an important chemical production raw material, has unique properties and a wide range of uses, and has been widely used in plastic modification, adhesives, sealants, cable materials and other fields.

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