<b>under the “carbon neutrality” bio-based industry set sail, bio-based polyurethane may become a new direction of development</b>

the concept of “carbon neutrality” opened up our country the prelude to the era of low-carbon circular economy

2020 year 9 month , general secretary xi jinping put forward the concept of “carbon neutrality” at the seventy-fifth session of the united nations general assembly. style=”font-family:”arial”,sans-serif”> 2030 year peak before, strive for 2060 achieving carbon neutrality years ago. carbon peaking means that carbon emissions will no longer increase, and will gradually decrease after reaching the peak; carbon neutrality means that the total amount of carbon dioxide emissions can be completely absorbed through plant afforestation, energy saving and emission reduction, etc., so as to realize the reduction of carbon dioxide. zero emission. since then, my country has officially entered the era of low-carbon circular economy, and various policies related to carbon neutrality have been released one after another.

table 1 my country’s “carbon neutral” policies

release time

policy content

2020year9month22day

chinese president xi jinping in9month22at the united nations general assembly held on the 22nd:“china will increase its nationally determined contributions, adopt more powerful policies and measures, and strive to reduce carbon dioxide emissions2030reached the peak years ago, strive to be in2060realize carbon neutrality before 2060.“

2020year10month21day

five ministries and commissions including the ministry of ecology and environment jointly issued guidance.font-size:12pt”>

the bio-based industry is expected to become a trillion new blue ocean ：according tooecdit is expected that there will be more than 4trillion dollars of products come from chemical processes, the future10at least 20%petrochemical products can be made from bio-based products substitute. this also means that the market size of the bio-based industry is expected to reach 8000 billion us dollars, the market space is vast.

bio-based polyurethane may become a new development direction

polyurethane is known as “the fifth largest synthetic plastic”, it has the characteristics of wear resistance, tear resistance, sealing, and sound insulation, and is widely used in various fields of national production and life such as light industry, chemical industry, electronics, construction, automobile, textile, medical treatment, national defense, and aerospace. according to the statistics of tiantian chemical network,2020the annual consumption of polyurethane products in china is about 1174.8 tons. but behind the huge demand, it is at the cost of sacrificing the environment and resources. most of the raw materials and products for the production of polyurethane come from non-renewable resources such as petroleum and coal, and most of these raw materials are toxic and harmful chemicals. at the same time, polyurethane materials are difficult to degrade, and its wastes are difficult to recycle, which will cause great environmental pollution.

so from the perspective of environmental protection and reducing non-renewable energy consumption considering that it is a good development direction to use cheap, environmentally friendly and renewable bio-based materials instead of petroleum raw materials to produce environmentally friendly polyurethane. at present, global bio-based polyurethanes are mainly used in the fields of construction, automobiles, electronics and furniture, among which the construction industry has become the largest terminal application market for bio-based polyurethanes in the world.

but the current level of domestic research on bio-based polyurethane materials is still not high enough. due to various technical barriers, bio-based polyurethane has not yet developed in china. the performance of bio-based polyurethane products currently on the market is still not comparable to that of petroleum-based polyurethane products. there are few varieties and relatively poor stability, which cannot meet the differentiated needs of customers.

the concept of “carbon neutrality” will be promoting the rapid development of the bio-based industry, the application of bio-based materials in the polyurethane industry can be expected in the future, and bio-based polyurethane products may become the mainstream development direction of the polyurethane industry in the future.

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