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Solvent-free aqueous polyurethane dispersions
Fernandes, I.P.; Barreiro, M.F.; Costa, M.R.N.The industrial production of aqueous polyurethane dispersions (PUDs) is nowadays a well established technology. There are two main synthetic routes to produce PUDs: the acetone process (a former process developed by Bayer AG) and the pre-polymer process (developed as an alternative response to the patented acetone process). Comparatively to the acetone process, the pre-polymer process has one major advantage si...
Solvent-free aqueous polyurethane dispersions
Fernandes, I.P.; Barreiro, M.F.; Costa, M.R.N.The industrial production of aqueous polyurethane dispersions (PUDs) is nowadays a well established technology. There are two main synthetic routes to produce PUDs: the acetone process (a former process developed by Bayer AG) and the pre-polymer process (developed as an alternative response to the patented acetone process). Comparatively to the acetone process, the pre-polymer process has one major advantage si...
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