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Waterborne polyurethane (WBPU) dispersions were prepared by pre‐polymer process using siloxane polyol, namely polydimethylsiloxane (PDMS), and polyester polyol, namely poly(tetramethyleneadipate glycol) (PTAd), as a soft segment. Three different molecular weights (Mn = 550, 6000, 110,000) of PDMS and one fixed molecular weight of PTAd (Mn = 2000) was used during preparation of WBPU dispersions. This...
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