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1、Russian dandelionnew source of natural rubber,Tutor:Prof.Liqun Zhang,Center of Advanced Elastomer Materials,Brief introduction of the topic,Russian dandelionnew source of natural rubber,1,Our research,2,Our plan,3,Center of Advanced Elastomer Materials,Brief introduction of the topic,Russian dandeli
2、onnew source of natural rubber,1,Our research,2,Our plan,3,1.Brief introduction of the topic,Natural rubber the second basic and strategic source after oil widely applied in our daily lives increasing demanded,Center of Advanced Elastomer Materials,1.Brief introduction of the topic,Source of natural
3、 rubber Mainly from the rubber tree Hevea brasiliensis 8 botanical families,300 genera and 2500 species Guayule(Parthenium argentatum Gray)and Russian dandelion(Taraxacum koksaghyz,TKS),Center of Advanced Elastomer Materials,Center of Advanced Elastomer Materials,Some researches in TKS rubber,WWII,U
4、SSR and USA started to study TKS rubber,In 2008，EU provided Kazakhstan with 8,000,000 to research TKS rubber,PENRA,Cooper Tire&Rubber Company,try to industrialize it,1.Brief introduction of the topic,From 2006,DELTA Technology Corporation has been concerning and studying TKS rubber,Center of Advance
5、d Elastomer Materials,Brief introduction of the topic,Russian dandelionnew source of natural rubber,1,Our research,2,Our plan,3,Locations of TKS,2.Our research,Center of Advanced Elastomer Materials,Xinjiang Province(CHINA)KazakhstanSome place in Europe,characters of TKS,2.Our research,Center of Adv
6、anced Elastomer Materials,Adapt to climate well saline-alkali land,grow wellHarvest one time a yearHigh yield,Comparison of TKS rubber with other rubber,2.Our research,Center of Advanced Elastomer Materials,Dried TKS roots contain more than 20%(weight)rubber.,Data of TKS:10,000 acres TKS 10,000,000
7、pounds rubber(by-product)2,300,000 gallons ethanol,2.Our research,Center of Advanced Elastomer Materials,Cycle diagram:,2.Our research,Center of Advanced Elastomer Materials,Advantages:1.Green Chemistry,no pollution 2.Biolize nature rubber,non-allergy 3.Poly-cis-isoprene,high molecular weight,proper
8、ties are better than rubber from rubber tree 4.High profit,value of the by-products offsets growing cost 5.Genetic engineering,contain more rubber,2.Our research,Center of Advanced Elastomer Materials,The TKS we are using,2.Our research,Center of Advanced Elastomer Materials,2.Our research,Center of
9、 Advanced Elastomer Materials,Extraction methods,Organic solvents extraction methodSupercritical ExtractionOther methods,2.Our research,Center of Advanced Elastomer Materials,Extraction method we are using,TKS roots,Drying,Dry the solid,organic solvent,precipitation,Alkali boiling,filtration,organic
10、 solvent,dissolve,rubber,Center of Advanced Elastomer Materials,Brief introduction of the topic,Russian dandelionnew source of natural rubber,1,Our research,2,Our plan,3,Extract rubber from TKS rootsCharacterize the molecularTry to modify the new rubber to make it betterApply TKS rubber to biomedical field,tire industry and similar areasPlanting,Processing,Marketing,ServicingGenetic engineering,contain more rubber,3.Our plan,Center of Advanced Elastomer Materials,Thank you!,August 28th,2010,
