The core technology of photosensitive polyimide has not yet broken through, and my country’s market demand relies on imports.

Photosensitive polyimide (PSPI) is a type of organic material that has both an imine ring and a photosensitive gene in the polymer chain and has excellent properties. Photosensitive polyimide has excellent thermal stability, photosensitivity, electrical insulation and mechanical properties. With its good properties, photosensitive polyimide can be used as an insulating layer material, buffer layer material, optical waveguide material, and buffer protection material. etc., used in microelectronics, display panels, optoelectronics, chip packaging, machinery, aerospace and other fields.

As a new functional polymer material, the preparation process of photosensitive polyimide is difficult. Due to backward production technology, my country’s photosensitive polyimide is highly dependent on imports. The photosensitive polyimide industry is small in scale, and most of its products are concentrated in the mid- to low-end. field. There is a high market substitution space for photosensitive polyimide in my country. Against the background of the rapid development of microelectronics, chips and other industries, the market demand for photosensitive polyimide will continue to rise.

According to the “2022-2026 Photosensitive Polyimide (PSPI) Industry Market In-depth Research and Investment Prospects Forecast Analysis Report” shows that in 2020, the global photosensitive polyimide market size will be around US$140 million, and the market is mainly distributed in countries and regions such as the United States, South Korea, Japan, and Taiwan, China. The photosensitive polyimide market has broad development space and is expected to maintain an average annual compound growth rate of more than 14.3% from 2022 to 2026, reaching US$320 million in 2026.

Photosensitive polyimide includes two types: negative and positive. Among them, negative photosensitive polyimide is divided into three types: ionic type, ester type, and self-sensitizing type. Positive photosensitive polyimide is divided into orthonitrogen type. benzyl esters, cyclobutylimine resins, diazonaphthoquinone sulfonate esters, etc. At present, negative photosensitive polyimide is the mainstream product in the market, but compared with negative products, positive photosensitive polyimide has better performance and can meet the needs of advanced packaging. As market demand upgrades, positive photosensitive polyimide The market share of amines will continue to increase.

In terms of production companies, in the global market, photosensitive polyimide production companies mainly include Japan’s Toray, HDM, Japan’s Fuji, etc.; in the domestic market, thanks to favorable national policies and scientific and technological progress, my country’s market has also emerged A number of excellent photosensitive polyimide manufacturers have emerged, such as Huicheng Technology, Guofeng Plastic Industry, Times New Materials, Aoshen New Materials, Mingquan Group, Ruihuatai Film, etc. Compared with international companies, my country’s photosensitive polyimide companies do not yet have competitive advantages in terms of brand, quality, and technology.

Industry analysts said that photosensitive polyimide is mainly used in electronics, chips, machinery and other fields, driven by the rapid development of downstream industries. Under the current situation, the market demand for photosensitive polyimide is growing rapidly. Photosensitive polyimide is a high-end polyimide product, and the core technology is still mastered by foreign companies. Due to technical limitations, the current production scale of photosensitive polyimide in my country is still small, and there is broad room for domestic substitution of photosensitive polyimide.