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A solvent-free waterborne polyurethane was synthesized via one-component crosslinking using N-[(2-amionoethyl)-amino] ethane sulphonated sodium as the post-chain extender. The effects of the N-[(2-amionoethyl)-amino] ethane sulphonated sodium and polyol content on the properties of waterborne polyurethane were investigated. The results indicate that at the optimum post-chain extender (6 mol%) and...
The polyurethane (PU) phase separation could significantly affect its properties. Many factors influence PU phase separation, including soft and hard segments type, their content, and presence of external components such as nanoparticles. The aim of this research was to control the PU phase separation behavior by an internal component which was chemically bonded in PU backbone. For this purpose, a...
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