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On May 9, the Research Institute of Sinopec Yizheng Chemical Fiber Company announced that the agricultural mulch film made of biodegradable plastic - polybutylene terephthalate copolybutylene adipate (PBAT) has been tested in many places in China
.
Through years of joint research by production, education and research, Yizheng Chemical Fiber has formed the process technology and product formula of biodegradable materials with independent intellectual property rights, and the biodegradable "three sisters" - polybutylene terephthalate copolybutylene succinate (PBST), PBAT, polybutylene succinate copolybutylene adipate (PBSA) has been industrially produced
in 10,000-ton equipment.
Based on its own patent "a long-chain branched fat-aromatic copolyester and preparation method thereof", Yizheng Chemical Fiber is committed to the development of PBAT series products
around the various needs of the market and downstream user applications.
It is understood that the agricultural mulch film developed by the R&D team of Yizheng chemical fiber biodegradable materials has been planted in physical fields in Liaoning rice, Shandong Shouguang vegetables, Guizhou corn experimental base, etc.
, and vegetable greenhouse hanging ropes and biodegradable tourism supplies such as toothbrushes and combs are also in the experimental stage
.
The lower the melting index of PBAT, the more stable the modification and film production process, the higher the strength of the finished product, and the stronger and more durable
.
After several key research and improvement, Yizheng Chemical Fiber successfully developed and produced high-quality and low melting index biodegradable material PBAT in mid-to-late April, the device runs stably, the product quality has reached the domestic leading level, and has been recognized by domestic users, and the PBAT melting index can be freely regulated to meet the needs of
different users.
In the next step, Yizheng Chemical Fiber will accelerate the construction of new projects of biodegradable materials as a key task, strengthen technical research, improve production capacity, and expand markets
such as agricultural mulch film.
