2,5-Dihydroxyterephthalic acid (DHTA) is a very important monomer for the synthesis of PIPD fiber and plays an important role in organic synthesis. The yield and purity of DHTA products directly affect the polymerization process of PIPD fiber.

General Description of 2,5-Dihydroxyterephthalic acid(CAS NO.: 610-92-4)

2,5-Dihydroxyterephthalic acid is a light yellow powder with a stable molecular structure and a relative molecular weight of 198.13. Its melting point is as high as over 300°C and its boiling point is as high as 498.9°C, which indicates that it has high thermal stability. In terms of solubility, it has good solubility in hot formamide and a small amount of solubility in ethanol, but its solubility in most organic solvents and water is very poor. This unique solubility gives 2,5-dihydroxyterephthalic acid a unique advantage in the reaction and extraction process under specific conditions.

Physical and Chemical Properties of 2,5-Dihydroxyterephthalic Acid(CAS No.: 610-92-4)

2,5-Dihydroxyterephthalic Acid is soluble in hot water, benzene and alcohol solvents, and its solubility in water reaches about 1g/10ml. It is a mixture of diols and dicarboxylic acids, so it has both the reaction characteristics of alcohols and carboxylic acids in chemical properties. It can be oxidized into dialdehydes or diketones, and can also undergo esterification, etherification and condensation reactions.

What is PIPD Fiber?

PIPD fiber is called poly (2,5-dihydroxy-1,4-phenylene pyridine diimidazole) fiber, also known as M5 fiber, which is a new type of liquid crystal aromatic heterocyclic polymer fiber developed on the basis of PBO molecular chain. PIPD fiber has the advantages of good flame retardancy, high tensile strength, high modulus, good heat resistance, etc. It has broad application prospects in the fields of sporting goods, electronics and electrical, flame retardant materials, automobile manufacturing, aerospace, military and so on.

The application of PIPD Fiber

PIPD fiber is widely used in various fields due to its excellent comprehensive properties of high strength, high modulus, flame retardancy, heat resistance, compression resistance, UV resistance and good adhesion. Specifically:

‌Aerospace and defense field‌: PIPD fiber is regarded as a high-performance organic fiber due to its excellent mechanical properties and high temperature resistance, and has a wide range of applications in the aerospace and defense fields. Its high tensile strength, excellent energy absorption performance, etc. make it an ideal choice for fields with high weight requirements‌

‌Energy field‌: The excellent performance of PIPD fiber also makes it applicable in the energy field. Although the specific application scenarios may vary depending on the specific performance and needs of the fiber, its application in energy-related high-performance materials is obvious‌3.

‌Sporting goods‌: Due to the durability and high performance of PIPD fiber, it is also considered for use in the manufacture of high-end sporting goods, such as high-performance sportswear and sports equipment, to provide better protection and performance‌

‌Protective clothing‌: The flame retardant and heat resistant properties of PIPD fiber make it an ideal material for making protective clothing, especially in working environments that need to resist high temperatures and flames, such as firefighter clothing and industrial safety clothing‌

‌Medical field‌: Due to its biocompatibility and corrosion resistance, PIPD fiber has also been studied for use in the medical field, such as making surgical sutures, etc. ‌ ‌Other fields‌: In addition, the excellent properties of PIPD fiber also make it have potential application value in the automotive industry, aerospace, marine engineering and other fields‌.

Edited by :Daken Chem
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