137820-87-2

Product Details:

CasNo： 137820-87-2

Molecular Formula： C10H8O6

Appearance： White to off-white crystalline solid

Delivery Time： 2 weeks after order

Throughput： 10000KG/Month

Purity： 99%

Dimethylcyclobutanetetracarboxylic dianhydride (abbreviated as DMCBDA) features a highly symmetric cyclobutane backbone and reactive dianhydride groups in its molecular structure, combining high rigidity with excellent reactivity. It is primarily used as a key raw material for high-performance polymer materials, with prominent applications in the electronic chemicals field, while also serving as a chemical additive and research reagent. The specific applications are as follows:

1. Core Monomer for Synthesizing Electronic-Grade Polyimides (PI)

This is its primary application. It can polymerize with diamines to produce various high-performance polyimide materials. The two methyl groups in its structure increase the spacing between polyimide molecular chains, improving the material's transparency, solubility, and dielectric properties. The PI films synthesized from DMCBDA not only possess high heat resistance, low water absorption, and excellent mechanical properties but also offer advantages such as low dielectric constant and high optical transparency. They can meet the requirements for polyimide materials in diverse scenarios including liquid crystal displays (LCDs), flexible OLEDs, and microelectronics.

2. Key Material in Semiconductor and Electronic Packaging Fields

Due to the low dielectric constant of polymers prepared from DMCBDA, and the ability of high-purity DMCBDA to eliminate impurities and trace metals, it can meet the stringent requirements of the semiconductor industry. It is applicable in buffer layers, protective coatings, and dielectric materials for chip manufacturing, while also suiting advanced packaging and high-speed interconnect devices. This helps enhance the operating speed and stability of integrated circuits, ensuring reliability in microelectronic applications.

3. Important Raw Material in the Display Materials Field

The polyimide materials synthesized from DMCBDA, with their excellent optical transparency and thermal stability, can be used in flexible display substrates and liquid crystal alignment films. They meet the core requirements of flexible display devices for thin, lightweight, heat-resistant, and light-transmitting substrates, making DMCBDA one of the ideal raw materials for manufacturing films used in liquid crystal displays and contributing to the overall performance improvement of display devices.

4. Modification of Photoresists and Related Coating Materials

DMCBDA can serve as a modification raw material for photoresist resin structures. Leveraging its high reactivity and molecular rigidity, it helps improve the film-forming property and heat resistance of photoresists, meeting the stability requirements for materials in lithography processes and thereby ensuring the precision and quality of lithographic patterns. Additionally, it can be used in insulating coatings for the electronic field, enhancing the protective effect and adaptability of coatings through its heat-resistant and electrical properties.

5. Other Chemical and Scientific Research Fields

On one hand, it can act as a catalyst and crosslinking agent in polymerization reactions (e.g., polyurethanes, polyesters, polyamides), promoting reaction progression and improving the properties of polymer products. This further expands its applications in chemical fields such as coatings, adhesives, and elastomers. On the other hand, it can serve as a chemical reagent for international trade export and scientific research in the chemical field.