According to China Drying News, the global demand for bioplastics will increase significantly. For example, the average annual growth rate of bio-plastics demand in the United States will reach 20% by 2016. By 2016, the demand for bio-plastics in the United States will reach 250,000 tons, exceeding 2011. Twice as many years, the demand for non-degradable bioplastics is nearly half. The development of the bio-based plastics industry seems to be no longer a little bit of thunder and rain. Polyolefins cost starts to become competitive Bio-based polyethylene (PE) is currently the most successful bio-plastic product for commercialization and the largest bio-based plastic in the world. At present, bio-based PE accounts for about 28% of the market share of bio-plastics. Although compared with petroleum-based PE, bio-based PEs currently have higher production costs due to higher production costs, making them 15%-20% higher than petroleum-based products, but for some specific target markets, such prices are still acceptable. According to industry insiders, as more and more bio-based PE manufacturers enter the market and further development of technology, the problem of high selling prices of bio-based PE is expected to be solved. For example, Dow Chemical and Mitsui Chemicals Japan each invested 50% and plans to build the world's largest biopolymer investment project in Brazil. The plant will be put into production in 2015, and will produce 350,000 tons of PE resin per year for flexible packaging. Health and medical markets. Some analysts believe that the joint venture's business scope covers the entire industrial chain from sugar cane to biopolymers, so the production cost is expected to be close to petroleum-based products. In addition to using local sugar cane ethanol as raw material for the production of ethylene and PE, Braskem also actively promotes the commercial production of bio-based polypropylene (PP). The 30,000 to 50,000 tons/year production plant currently under construction is expected to be in 2013. Put into production. Germany's LANXESS has previously stated that it will use Braskem's bio-based propylene to produce synthetic rubber. At present, Mazda Corporation of Japan has begun to explore the application of bio-PP in the automotive industry, and it plans to launch some cars using cellulose PP materials by 2013. With the expansion of the application scope of bio-based polyolefins, the commercialization process will advance steadily. Industry insiders pointed out that due to the same performance as petroleum-based products, the production capacity of bio-based polyolefins will continue to expand in the future, and will steadily increase the global production of bioplastics. The throne of the first. PC, PHA still a long way ahead Plastic products such as PC and polyhydroxyalkanoates (PHA) produced from biological raw materials have also received market attention, but there is still a long way to go before they can achieve full commercialization. The production of PC from biomass-produced isosorbide does not require the use of toxic phosgene and the widely controversial bisphenol A safety compared with traditional chemical methods. Mitsubishi of Japan and Roquette of France have plans. Develop this product. However, they all indicated that their economy and quality need to be improved. Earlier this year, ADM decided to withdraw from the 50,000-ton/year PHA project that was co-produced with Metabolix because of uncertain market prospects. It is reported that PHA products are currently about US$1.65/kg higher than similar plastics. Polylactic acid (PLA) is the most widely used biodegradable bio-based material in the world. As a green alternative to polystyrene, PLA has been used to make yogurt cups and other food containers, plastic bags, and more. Due to the stable application, the size of the PLA device is also generally in the 100,000-ton range, and NatureWorks’ US-based 140,000-ton/year PLA production facility has been operating smoothly for many years. Prakick’s 75,000-ton/year PLA production facility in Thailand this year 2 The month has also been put into production. In addition, NatureWorks will also build a 140,000-ton/year PLA production facility in Thailand and plan to start production in 2015. Although the performance is somewhat poor and the production cost is still constraining the further commercialization of PLA, the industry is still optimistic about the prospects of PLA. Many experts believe that there is still room for reduction in the cost of PLA, and that the performance of PLA can be improved by blending with petroleum-based products or adding modifiers. The continuous improvement of technology has also greatly improved the PLA's own performance. For example, in April of this year, Praklam announced that PLA's products can be stabilized at 80°C to 150°C after adopting the company's unique technology, which will further expand the application of PLA in food packaging. PET commercialization pilot work started Compared with bio-based polyolefins , the commercialization of 100% bio-based PET has lagged behind, but related preparations and research work have also been carried out in an orderly manner. With the strong promotion of many food companies, bio-based ethylene glycol produced from sugar cane ethylene has been widely used in the production of PET. Today, these companies are actively exploring the use of biomass to produce PET, another synthetic raw material, terephthalic acid (PTA), followed by the introduction of bio-based PET that is fully synthesized from renewable materials. Coca-Cola has promised that 100% of its PET containers will use biomaterials by 2020. In order to achieve this goal, in December 2011, Coca-Cola and the American biotechnology company Gevo and Virent signed an agreement to develop a commercial-scale biosynthetic process for the production of paraxylene and to achieve the greenization of PTA raw materials. Japan Toray also actively conducts commercial trials of bio-based PET. In 2011, Toray successfully used Gevo's bio-based para-xylene to produce pure bio-based PET for the first time in the world. Recently, Toray signed a contract with Gevo to give priority to the purchase of bio-based paraxylene manufactured by Gevo for the small-scale production of bio-based PET. Toray will develop bio-based PET volume production technology through this cooperation and plans to launch commercialized products in 2013. 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The scope of application of PLA is expected to expand