Technology: Degradation Of Pla Plastic Steering Thin
In the state issued the "plastic limit order" and Oil Prices soaring today
, completely degraded from non-petroleum base of the "corn Plastic "As a synonym for polylactic acid has been well known. In order to avoid the consumption of food, and today the production of raw material polylactic acid from corn to eat genetically modified corn, corn cob, corn stalk, fiber direction. However, brittleness and prices problem, this corn plastic products with greater distance from people's lives there.
To develop environmental materials in accordance with national requirements, formerly a professor of materials and information of Shanghai Economic Commission, Deputy Director Gao Yun proposed the use of PLA can be completely degradable plastics in high-strength characteristics, the development of the thin, reducing the resources consume the same time, pay attention to environmental protection, the development of complete degradation products of strategic vision.
To Chinese Academy of Sciences, HU Ying as Chief Advisor, East China University of Science and Technology Institute surface of hydroxyapatite-led research group, through hard work, through molecular design, use of low-leakage property with independent, non-petroleum based can be completely degraded modifier, on the brittle poly lactic acid was modified to enable flexibility in adding material at the same time, significantly improve the processing, and a unique patented technology to achieve stable production of films obtained thickness 4 m of ultra-thin films can be completely degraded, the price per unit area is expected to film with the current national standard is similar to PE film; the same time, film has good strength. Professor Cai Chinese Academy of Agricultural Sciences
Norio, when the state, "Agricultural Science and Technology Development Plan (2006? 2020)" made "during" 12 key tasks, water-saving agriculture and soil fertility cultivation, scientific fertilization and scientific treatment, biomass resources and materials are transformed into three related. Be cost-effective superior fully biodegradable materials, created for the development Environmental protection Type water-saving preparation of new materials, research and development delay (controlled) release fertilizers, and other new fertilizer application technology of biodegradable plastic film, etc. have laid a good foundation.
Patent main inventor Dr. Li Yongfeng, said that the material can be completely degraded after bulldozers swallowed or earthworms. Completely non-petroleum based, excellent light transmission, tensile strength, thermal conductivity, water permeability, UV-damping, non drip, make it likely be very good application.
Shanghai Packaging Association, the former senior engineer, said the Secretary-General Chen Changjie, ultra-thin film of the birth, will be completely biodegradable materials entering a stage of the common people can afford to open up the agriculture and Packaging Materials The development of a new era. Speed up the process is stable and technology development, access to materials application features will be the key to social acceptance of this film.
Shanghai Academy of Agricultural Sciences researchers Ge-Zhi Shen that from the practical, the expansion of thin film mechanical spread out wide significance; performance from the master view of polylactic acid, as a wrap with clear features, speed up the modification of PLA film The preservation properties, preservation of materials for a huge market with clear market application. Project Leader surface of hydroxyapatite
introduced ultra-thin films of PLA significant progress, will accelerate the degradable material acceptance by the market. View of technology from abroad, polylactic acid, inter plastic sheeting, plastic wrap, the in candy, tobacco, tea, PET, PP packing replace field advantage, China's anti-white pollution can greatly enhance the ability to form a chain , thus driving the agricultural, degradable plastics, packaging materials, comprehensive technical updates.
Technology: Degradation Of Pla Plastic Steering Thin
By: witch
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