3,3',4,4'-Biphenyltetracarboxylic dianhydride CAS 2420-87-3 S-BPDA

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3,3',4,4'-Biphenyltetracarboxylic dianhydride (CAS 2420-87-3), also known as S-BPDA, is a key chemical raw material for high-performance materials with excellent thermal stability and mechanical properties.

1. Core monomer for the synthesis of polyimide (PI)

S-BPDA is a key raw material for the production of polyimide materials. PI materials are used in aerospace, electronic equipment and automotive industries for their excellent high temperature resistance, corrosion resistance and electrical insulation properties.

2. Preferred ingredient for high temperature resistant coatings

The thermal stability of S-BPDA makes it an important component of high temperature coatings, especially in surface coatings of spacecraft and high temperature equipment to provide long-term protection and stability.

3. Reinforcer for composite materials and electronic packaging

In the field of composite materials and electronic packaging, S-BPDA improves the thermal stability and electrical properties of materials, and is suitable for thermal conductive materials and high-end electronic component packaging.

4. Basic raw materials for high-performance optical materials

S-BPDA can be used for ultraviolet light filtering and the production of high-performance optical equipment.

5. Innovative auxiliaries for dye and pigment synthesis

S-BPDA derivatives are suitable for dyeing of high-end textiles and plastics.

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