| Study on Properties of BPE Reinforced with CNCs Prepared by Ball Milling Method |
| Received:March 21, 2024 Revised:March 21, 2024 |
| DOI：10.12136/j.issn.1000-890X.2026.01.0026 |
| Key Words: CNCs；BPE；latex composite method；tensile property；dynamic mechanical property |
| Author Name | Affiliation | E-mail | | ZHANG Xiao | Shenyang University of Chemical Technology | zx960221@163.com | | NI Hui | Shenyang University of Chemical Technology | | | XU Xiangming | Shenyang University of Chemical Technology | | | KANG Hailan* | Shenyang University of Chemical Technology | kanghailan@syuct.edu.cn | | LI Long | Shenyang University of Chemical Technology | | | LI Donghan | Shenyang University of Chemical Technology | |
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| Abstract: |
| Cellulose nanocrystal（CNCs）were prepared by ball milling microcrystalline cellulose（MCC） as reinforcing agents，and bio based polyester rubber（BPE） was used as the matrix material to prepare a fully bio based CNCs/BPE composites by latex composite method，and their structures and properties were studied.The results showed that the particle diameter of CNCs decreased at first and then increased with the extension of the time for MCC ball milling.The median particle diameter was the smallest（length） at 174 nm after 2 hours of ball milling，with a width of （40±5） nm，an aspect ratio of 435% and a crystallinity of 90.2%.As the amount of CNCs increased，the tensile strength and storage modulus of CNCs/BPE composite at first increased and then decreased，the glass transition temperature at first increased and then decreased.CNCs showed the best reinforcement effect when CNCs dosage was 40 phr，and the tensile strength of CNCs/BPE composite increased by 400%. |
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