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New materials are a leading industry in the national economy, and a key guarantee for constructing a powerful manufacturing country and the development of a national defense industry. Sinopec constantly improves independent innovation and core competitiveness. Adhering to the "Four Faces", namely "face to major national needs, face to main battlefields of economy, face to world frontiers of science and technology, and face to people's life and health", it promotes the expansion from chemical raw materials to high-end materials, and focuses on developing new materials, fine chemicals, and other businesses to contribute to the construction of a powerful country in chemical industry.

Biodegradable new materials to assist in green development

Biodegradable plastics are materials that undergo complete degradation by microorganisms in nature. Widely used in disposable commodities, packaging materials and agricultural films, it is an important way to deal with "white pollution".

In May 2020, Sinopec Yizheng Chemical Fibre Company Limited achieved industrial production of biodegradable copolyester new materials PBST and PBAT after ten years’ worth of research. Under compost conditions, PBST and PBAT eventually transformed into water and carbon dioxide, and became one of the most active and best applied biodegradable materials in the biodegradable material industry. In October, Sinopec Yizheng Chemical Fibre Company Limited achieved industrial production of a third biodegradable plastic, PBSA. Using the three kettle process technology exclusive to Sinopec, PBSA has the features of low melting point, fast crystallization and high fluidity compared with PBST and PBAT. It can be used for producing 3D printing wires, medical materials, film bags, etc.

The three degradable copolyesters produced by Sinopec Yizheng Chemical Fibre Company Limited made a new breakthrough of greenization of materials for general purposes. Additional research by the Sinopec Yizheng Chemical Fibre Company Limited will focus on the development and project establishment of the biodegradable copolyester series to fully meet market demands.