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| Preparation of Cellulose Nanocrystals Iridescent Films |
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| DOI：10.11981/j.issn.1000-6842.2017.04.22 |
| Key Words:cellulose nanocrystals； nanofibril cellulose； iridescent film |
| Fund Project:国家自然科学基金项目“玉米秸秆分级直接液化机理的研究”（No.21576213）。 |
| Author Name | Affiliation | | 王 帅 | 天津市制浆造纸重点实验室，天津科技大学造纸学院，天津，300457 | | 刘鹏涛* | 天津市制浆造纸重点实验室，天津科技大学造纸学院，天津，300457 | | 侯佳玲 | 天津市制浆造纸重点实验室，天津科技大学造纸学院，天津，300457 |
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| Abstract: |
| The iridescent film could be prepared by cellulose nanocrystals（CNC）, but low strength reduces its optical application value. In this study, bleached hardwood dissolving pulp was used as raw material pulp, the rod-like CNC was obtained by sulphuric acid hydrolysis method, the filament-like nanofibril cellulose (NFC) was prepared by TEMPO oxidation and high pressure homogenization. Then iridescent film with higher tensile strength was obtained by blending the two forms of nanocellulose. The results showed that, when the ratio of NFC and CNC was 1∶1～2∶1, CNC and NFC blend iridescent film had optimal tensile strength, and its thermal stability was better than the film made of CNC or NFC. |
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