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- W2351781004 abstract "Polylactide/nano-silica composites were synthesized with D,L-lactide(D,L-LA) and modified nano-silica(nano-SiO2) by catalyst.The influences of catalyst species and quantity,reaction temperature and time,content of nano-silica on the weight average molecular weight(w) of composites were discussed.The resules show that the optimal reaction conditions are as follows: tin octoate is used as catalyst;w(SnOct2)/w(D,L-LA) and w(nano-SiO2)/w(D,L-LA) is 1∶400 and 1∶20,respectively;the reaction temperature is 140 ℃ and the reaction time is 72 h.Under this conditions,composite with w of 1.5091×105 was obtained." @default.
- W2351781004 created "2016-06-24" @default.
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- W2351781004 date "2008-01-01" @default.
- W2351781004 modified "2023-09-23" @default.
- W2351781004 title "Analysis of Effect Factors on the Molecular Weight of Polylactide/Nano-Silica Composites" @default.
- W2351781004 hasPublicationYear "2008" @default.
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