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Effect of Drying Treatment on the Properties of Regenerated Cellulose Film |
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DOI:10.11980/j.issn.0254-508X.2019.02.006 |
Key Words:regenerated cellulose film drying treatment transparency mechanical strength morphology |
Fund Project:国家自然科学基金青年基金(31700520);福建农林大学杰出青年科研人才计划(xjq201729);福建省自然科学基金(2018J05040)。 |
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Abstract:The properties of regenerated cellulose film are critical for its application. In order to manufacture superior regenerated cellulose film with high strength and transmittance, and low roughness and thickness, the drying treatment under pressure of regenerated cellulose film was employed. The results showed that increasing the drying temperature could promote the bonding of cellulose molecule, which resulted in high transparency and desirable mechanical strength for the regenerated cellulose film. Meanwhile, increasing drying pressure was also further favorable for more positive contribution to regenerated cellulose film properties. A drying treatment in 80℃ at 0.1 MPa pressure was able to prepare the targeted regenerated cellulose film with 95% transparency, 10 μm thickness, 13 nm roughness and 122 MPa tensile strength. |
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