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（PGA）（PLA）、PBAT，、、、，。，，(PGA)。“”，，“"。
（PGA）（PLA）、PBAT，、、、，。，，(PGA)。“”，，“"。、PGA
、PGA、PGA，，α，。，(Polyglycolic acido，PGA)，。
，，α，。，(Polyglycolic acido，PGA)，。、、，。
、PGA
、PGAPGA、，、、。，、（PGA）、（PCL）。、，。
，20%，2019，，26。“”，，，2024。
、PGA
、PGA、，PGA。“”，PGA，，。
PGA，，，、、、，，，，，。
1.
1.
：1500+5/
：
2005，。
2010PGA， “”，99.
6% 。2018，1500，5。
2018，——5.
5，，、、、8，。
In mid-July 2020, Pujing, Inner Mongolia, officially put into trial production in Jiuyuan Industrial Park.
“As soon as the production capacity of 1,500 tons of polyglycolic acid is achieved, the production scale of 10,000 tons of polyglycolic acid will be reached after the second phase of the project is completed.
2.
National Energy Group2.
National Energy Group
Capacity: 50,000 tons/year
Place of Origin: Yulin, Shaanxi
On March 1, 2021, the National Energy Group Yulin Energy Chemical Co.
, Ltd.
50,000 tons/year polyglycolic acid demonstration project held a groundbreaking ceremony.
The 50,000-ton/year polyglycolic acid demonstration project of the National Energy Group Shenhua Yulin Energy Chemical Co.
, Ltd.
is located in the north area of Qingshui Industrial Park, Yushen Industrial Zone, Yulin City, Shaanxi Province.
It is the world's first polyglycolic acid plant with a total investment of about 1 billion yuan.
It covers a total area of 9.
8 hectares, and builds 50,000 tons of polyglycolic acid per year.
It is a national demonstration project.
The project is an extension of the coal-to-olefin industry chain.
After the project is put into production, it will achieve zero breakthroughs in the field of degradable plastics (PGA) in my country.
3.
Sinopec Great Wall Energy and Chemical Industry3.
Sinopec Great Wall Energy and Chemical Industry
Capacity: 500,000 tons/year
Place of Origin: Guizhou
At the end of 2020, Sinopec Great Wall Energy Chemical (Guizhou) Co.
, Ltd.
launched the first public announcement on the environmental impact assessment of the 500,000 tons/year polyglycolic acid (PGA) project, marking the official start of the project.
On April 22, 2021, Sinopec Great Wall Energy and Chemical (Guizhou) Co.
, Ltd.
500,000 tons of annual polyethanol (PGA) project general map and a discussion meeting on the leveling plan will be held.
The construction site is in Bijie, Guizhou.
The project will be constructed in two phases.
The first phase of the 200,000 tons/year PGA device will be completed in 2024, and the second phase of the 300,000 tons/year PGA device will be completed in 2026.
In the first phase of the project, 4 sets of 50,000-ton/year PGA production devices are set up, totaling 200,000 tons/year, and a single set of production devices is consistent with the largest domestic production device.
On May 18, the directors of Sinopec Group Corporation visited Zhijin to investigate the construction of Sinopec Great Wall Energy Chemical (Guizhou) Co.
, Ltd.
's 500,000 tons/year PGA project.
4.
Jiutai New Materials
Jiutai New Materials
On March 15, 2021, Inner Mongolia Jiutai Company held the groundbreaking ceremony of the PGA environmentally friendly degradable material scientific research experiment workshop.
The PGA scientific research test project is based on the polyglycolic acid technology independently developed by Jiutai, and uses the rich intermediate product glycolic acid of the existing project to build the world's first production line for the production of polyglycolic acid resin from coal through glycolic acid.
Jiutai has continued to promote the research and development of products such as ethylene glycol, polyglycolic acid, aromatic hydrocarbons and polyester new materials for many years, and communicates and exchanges with Dawn Group and others.
Jiutai has completed and put into operation 1.
2 million tons of methanol and 600,000 tons of polyolefin projects.
Currently, 1 million tons of ethylene glycol and 1.
2 million tons of ethylene glycol projects in Dalu Industrial Park are being built in Tuoketuo Industrial Park.
5.
Hubei Fertilizer
Hubei Fertilizer
Capacity: 50,000 tons/year
Place of Origin: Hubei
On August 11, 2020, Sinopec and the People's Government of Hubei Province signed a strategic cooperation framework agreement to clearly support the on-site transformation of Hubei Fertilizer and the construction of Sinopec's first polyglycolic acid new material project.
It is currently in the approval stage.
On March 25, 2021, the Hubei Fertilizer 50,000-ton/year polyglycolic acid new material project basic design meeting was held, focusing on the basic design and schedule of the project construction, further optimizing the process package, and docking the safety pre-assessment in the "three simultaneous" , Part of the basic data in the environmental impact assessment, etc.
,
6.
Danhua Technology
Danhua Technology
Capacity: 3000 tons/year
Place of Origin: Jiangsu
In recent years, Danhua Technology has conducted some research and development work in the field of degradable plastic polyglycolic acid (PGA) using coal-to-ethylene glycol equipment.
In 2017, a new material company was established in Jiangsu to develop PGA, a degradable plastic raw material.
A pilot plant with an annual output of 3,000 tons of polyglycolic acid has been completed.
The plant has undergone several trial operations, and purchased other degradable raw materials for late-stage modification research and development.
At present, some daily necessities have been trial-produced, and this part of the business will be realized in 2020 Sales income is 10.
58 million yuan.
7.
Tongliao Gold Coal Chemical Industry
Tongliao Gold Coal Chemical Industry
Capacity: 3000 tons/year
Place of Origin: Inner Mongolia
Tongliao Jinmei Chemical Co.
, Ltd.
was established by the Chinese Academy of Sciences, Shanghai Jinmei Holdings, and Danhua Technology.
The first phase investment is 2.
2 billion yuan.
It is a modern high-tech enterprise that uses lignite as raw material to produce ethylene glycol.
Adopting the coal-based synthesis gas carbonyl method to prepare PGA technology independently researched and developed by Jiangsu Gold Polymer Material Co.
, Ltd.
, a subsidiary of Tongliao Gold Coal.
In December 2018, the first batch of products of Tongliao Gold Coal's 3,000 tons/year PGA rolled off the production line.
The project started in 2017 and plans to produce 300,000 tons/year production line in the future.
Advantages of polyglycolic acid PGA
Advantages of polyglycolic acid PGA1.
PGA has unique properties and has a competitive advantage in the field of packaging and general plastic products.
2.
Through modification, strengths and weaknesses can be exploited and PGA materials can be used in more fields, which is an effective supplement to the existing biodegradable plastic product line.
3.
PGA has little research on the modification of packaging and general plastic applications, and there is still a lot of room for development.
4.
At present, "Syngas-to-PGA technology" has completed the industrial scale-up verification.
In the future, the PGA production capacity will be further expanded, the cost will be further reduced, and the market application prospects are broad.
Since May, policy news about biodegradable plastics has been released one after another, which has further boosted the confidence of the plastics market in biodegradable plastics.
