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- W2370037002 abstract "A series of sulphonate type waterborne polyurethane(WPU) were prepared with polybutylene adipate(PBA),isophorone diisocyanate(IPDI) and ethylenediamine sodium sulphonate(A-95) as mainraw materials.The effects of sulphonate content and chain extension time on the WPU performance were studied,and production technology of sulphonate type WPU was analysed.The research results showed that the difference between sulphonate and carboxylic type WPU was non obvious for FT-IR spectrogram,the prepolymer viscosity and mechanical strength of film were higher,emulsions appearance was better with the increase of sulphonate content.The prepolymer viscosity before emulsification was increased with the increase of chain extension time.The combination property such as viscosity at 37 mPa·s,solid content at 50% and tensile strength at 14.06 MPa for sulphonate type WPU was best when mass fraction ofsulphonate was 1.5% and chain extension time was 25 min.Compared with the WPU produced by DMPA,the production technology of the WPU produced by sulphonate was much more simple,high efficiency and environmental friendly,and could carry out continuous production." @default.
- W2370037002 created "2016-06-24" @default.
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- W2370037002 date "2008-01-01" @default.
- W2370037002 modified "2023-09-28" @default.
- W2370037002 title "Study on synthesis and performance of sulphonate type waterborne polyurethane" @default.
- W2370037002 hasPublicationYear "2008" @default.
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