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| Mechanical Properties of Cellulose-based Composites Reinforced by PET Fibers with Various Aspect Ratios |
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| DOI：10.11980/j.issn.0254-508X.2017.10.002 |
| Key Words:PET fibers cellulose-based composites aspect ratios mechanical properties |
| Fund Project:陕西省重大专项项目（2015KTCQ01-44）；陕西省造纸技术及特种纸品重点实验室项目（12JS024）。 |
| Author Name | Affiliation | | 张素风1 | 1.陕西科技大学陕西省造纸技术及特种纸品开发重点实验室,中国轻工业纸基功能材料重点实验室,轻化工程国家级实验教学示范中心,陕西西安,710021 | | 雷 丹1 | 1.陕西科技大学陕西省造纸技术及特种纸品开发重点实验室,中国轻工业纸基功能材料重点实验室,轻化工程国家级实验教学示范中心,陕西西安,710021 | | 徐永射1，2 | 1.陕西科技大学陕西省造纸技术及特种纸品开发重点实验室,中国轻工业纸基功能材料重点实验室,轻化工程国家级实验教学示范中心,陕西西安,710021；2.天津中钞纸业有限公司,天津,300381 | | 杨苗秀1 | 1.陕西科技大学陕西省造纸技术及特种纸品开发重点实验室,中国轻工业纸基功能材料重点实验室,轻化工程国家级实验教学示范中心,陕西西安,710021 | | 迟聪聪1 | 1.陕西科技大学陕西省造纸技术及特种纸品开发重点实验室,中国轻工业纸基功能材料重点实验室,轻化工程国家级实验教学示范中心,陕西西安,710021 | | 钱立伟1 | 1.陕西科技大学陕西省造纸技术及特种纸品开发重点实验室,中国轻工业纸基功能材料重点实验室,轻化工程国家级实验教学示范中心,陕西西安,710021 | | 刘 叶1 | 1.陕西科技大学陕西省造纸技术及特种纸品开发重点实验室,中国轻工业纸基功能材料重点实验室,轻化工程国家级实验教学示范中心,陕西西安,710021 |
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| Abstract:In this work, cellulose-based composites was prepared by wet forming process, and polyethylene terephthalate （PET） fibers with various aspect ratios were blended for enhancing the mechanical properties of the sheet by the aid of PET fibers inherent strength. The results showed that the aspect ratio of PET-c fiber was 392.16, proximately 10 times that of cellulose fiber, the yield strength of PET-c fiber was the highest, 300.99 MPa among the PET fibers with various aspect ratio. The mechanical properties of the cellulose-based composites containing PET fibers furnish were dramatically improved. When PET-c fibers were applied at 10%, the tensile, tearing and flexural strength of the composites increased by 42.11%, 31.05% and 21.85%, respectively. The scanning electron microscopy （SEM） images of the paper fracture surface in tensile and folding experiments showed that there were no broken or splitter PET fibers, the PET fibers only were pulled out or in bending state. It indicated that PET fibers could play an effective protective role on cellulose fibers from damage by external force. |
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