Effect of molecular weight on preparatio
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M. Okubo; N. Fukami; A. Ito
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Article
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1997
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John Wiley and Sons
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English
⚖ 127 KB
👁 2 views
Styrene-methacrylic acid copolymer [P(S-MAA)] (92/8, molar ratio) nanoparticles were prepared by a dissolution of submicron-sized P(S-MAA) particles with various molecular weights in a polyoxyethylene nonylphenylether nonionic emulsifier aqueous solution at pH 13.0 and above 90ЊC. The latter particl