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- W2363670755 abstract "Based on the strong hydrophobicity of polylactic acid( PLA) fiber,the surface modification of PLA fiber grafted with polyvinylpyrrolidone( PVP) was researched. The mechanical properties and structure of modified PLA fibers were characterized by an electronic universal strength testing machine,an infrared spectrometer and a scanning electron microscope. And the weight loss of fiber hydrolysis,water absorption and the grafting ratio of modified PLA fiber were determined. Results showed that PLA fibers after Na OH hydrolysis and acid hydrolysis were successfully grafted by polyvinylpyrrolidone( PVP),while PVP grafting rate of PLA fiber hydrolyzed by Na OH solution was lower than that of PLA fibers hydrolyzed by the acid hydrolysis. The water absorptions of two kinds of PLA fibers with different PVP grafting ratios were obviously improved,and were 6. 44 times and 8. 97 times that of original PLA fiber,respectively. However,the mechanical properties of the modified PLA fiber were declined." @default.
- W2363670755 created "2016-06-24" @default.
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- W2363670755 date "2015-01-01" @default.
- W2363670755 modified "2023-09-24" @default.
- W2363670755 title "Study on surface modification of poly(lactic acid) fiber grafted with polyvinylpyrrolidone" @default.
- W2363670755 hasPublicationYear "2015" @default.
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