polyurethane properties mechanical

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significantly improve the waterproof, oil-proof and mechanical properties of paper products

 Time of Update: 2022-04-19

Key words: paper dimer acid water-based polyurethane water-resistant oil-resistant Background introduction Paper products are regarded as one of the most promising materials to replace traditional disposable plastic products due to their light weight, biodegradability, green environmental protection and good mechanical properties .
of eugenol-based silicone-modified waterborne polyurethane with excellent water resistance and mechanical properties

 Time of Update: 2021-08-13

In order to improve the mechanical properties and water resistance of WPU, Xiaojing Zhang and other researchers from the School of Chemical Engineering and Biological Engineering of Zhejiang University have developed a special diol, namely 4,4-(1,1,3,3- Tetramethyldisiloxane-1,3-dipropyl)bis-2-methoxyphenol (EUSi); it contains a silicone segment and two phenolic hydroxyl groups, which can be used as a new chain extender and can be obtained by reacting with isocyanate A series of bio-based waterborne polyurethanes with excellent performance .

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