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kiki1983723金虫 (正式写手)
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共同探讨一下 how polydispersity affects self-assembly of the copolymer chains in binary blends is still an open question [ Last edited by wizardfox on 2008-8-7 at 09:37 ] |
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wizardfox(金币+1,VIP+0):鼓励交流 欢迎常来高分子版
wizardfox(金币+1,VIP+0):鼓励交流 欢迎常来高分子版
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what you have contained is still mainly prepared via covalently chemical grafting or ionic binding with bioactive molecules etc! By these method,our products may have a more stable and high dispersibility compared with non-covalent interactions such as blending,layer-by-layer self-assembly,surface-deposition and crosslinking,sol-gel and electrochemical deposition. Maybe what i said is one-sided ,but it is mostiy suitable for many materials! please presenting your opinions!thanks!  |
2楼2008-08-07 10:42:08
kiki1983723
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| what u said is a general idea.in theory,the mixtures of block copolymers of different lengths should help stabilize nanostructures in binary or ternary blends with homopolymers through relaxation of stretching energy in the copolymer layer.in practice,polydispersity and molecular disorder have been used in transparent toughened PS nanostructured by SBS copolymer.however,my qusetion is that how to control the concrete morphologies and properties in short processing times in other copolymer system such as SBM in PC |
3楼2008-08-07 14:43:59