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The status quo of my country's degradable plastics industry, many listed companies lead the new track

 Last Update: 2022-08-26
 Source: Internet
 Author: User

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1.
Overview of degradable plastics

Bioplastics are a class of innovative materials whose raw materials are biologically derived or biodegradable, namely bio-based plastics or degradable plastics

According to the way of plastic degradation, plastics can be divided into photodegradable plastics, biodegradable plastics, and bio/photodegradable plastics.
Biodegradation is currently the most important way of degrading plastics

Second, the main new degradable plastic comparison

Starch-based plastics can reduce the amount of petroleum-based materials, and the materials are cheaper than PLA, but they can be completely molecularly degraded only when blended with degradable plastics, and there are problems such as poor water resistance, poor mechanical properties, and short lifespan; PHA has good biocompatibility and can be completely degraded, but the current production cost of PHA is high; PBS has good performance, good heat resistance and mechanical properties, and can also be completely biodegraded, but China's succinic acid production capacity Limited, so PBS cannot be produced on a large scale; PLA and PBAT are two types of degradable plastic products that are currently mainstream in China.
PLA has excellent biocompatibility and biodegradability, and is currently the fastest industrialized biodegradable material.
The PBAT molecular chain has good flexibility and excellent film-forming properties

In 2019, the highest production capacity of degradable plastics in the world is starch-based degradable plastics, accounting for 38% of the production capacity, followed by PLA and PBAT, accounting for 25% and 24%, respectively

Related report: "2020-2025 China Degradable Plastic Industry Development Trend Forecast and Investment Strategy Consulting Report" issued by Huajing Industry Research Institute

3.
Development Status of Biodegradable Plastics Industry

From 2013 to 2019, the scale of China's biodegradable plastics market has increased year by year

The demand of China's biodegradable plastics industry has increased from 220,000 tons in 2012 to 520,000 tons in 2019

Fourth, plastic degradation has become a new favorite in the industry, and enterprises have accelerated their layout

Under the general trend of banning and restricting the use of plastic products, in recent years, some listed companies have taken precautions or took advantage of the trend to actively develop alternative products for disposable plastic products such as PLA, PBAT, and PBT

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