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| Study on the Preparation, Structure, and Properties of Heterocyclic Aramid Ⅲ Fibrids |
| Received:August 01, 2024 |
| DOI：10.11980/j.issn.0254-508X.2025.01.009 |
| Key Words:heterocyclic aramid aramid Ⅲ fibrids aramid paper morphology |
| Author Name | Affiliation | Postcode | | ZHOU Wanli* | China Bluestar Chengrand Chemical Co., Ltd., Chengdu, Sichuan Province,610041
China Bluestar Chengrand Co., Ltd., Chengdu, Sichuan Province, 610041
High-Tech Organic Fibers Key Lab of Sichuan Province, Chengdu, Sichuan Province, 610041 | 610041 | | YANG Kuan | China Bluestar Chengrand Chemical Co., Ltd., Chengdu, Sichuan Province,610041
China Bluestar Chengrand Co., Ltd., Chengdu, Sichuan Province, 610041
High-Tech Organic Fibers Key Lab of Sichuan Province, Chengdu, Sichuan Province, 610041 | 610041 | | WANG Heng | China Bluestar Chengrand Chemical Co., Ltd., Chengdu, Sichuan Province,610041
China Bluestar Chengrand Co., Ltd., Chengdu, Sichuan Province, 610041
High-Tech Organic Fibers Key Lab of Sichuan Province, Chengdu, Sichuan Province, 610041 | 610041 | | HE Xinye | China Bluestar Chengrand Chemical Co., Ltd., Chengdu, Sichuan Province,610041
China Bluestar Chengrand Co., Ltd., Chengdu, Sichuan Province, 610041
High-Tech Organic Fibers Key Lab of Sichuan Province, Chengdu, Sichuan Province, 610041 | 610041 |
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| Abstract:The heterocyclic aramid Ⅲ frbrid was prepared by injecting heterocyclic aramid Ⅲ polymerization solution into the solidfication bath with high speed stirring. The heterocyclic aramid Ⅲ raw papers were further prepared via wet papermaking process. The effects of heterocyclic monomer content and polymer relative molecular weight on the storage stability of the heterocyclic aramid Ⅲ polymerization solution， the structure and morphology of the heterocyclic aramid Ⅲ fibrids were studied. The effects on the mechanical properties of the heterocyclic aramid Ⅲ raw papers were discussed. The results showed that the stable heterocyclic aramid Ⅲ polymerization solution could be prepared only when the heterocyclic monomer content was higher than 30%， and the fibrids prepared with heterocyclic monomer content higher than 40% had a larger ratio of length to diameter， which was suitable for papermaking. The polymer relative molecular weight had a great influence on the appearance of the fibrids. The fibrids prepared by the heterocyclic aramid Ⅲ polymerization solution with apparent viscosity in 10 000~20 000 cP， and the specific concentration logarithmic viscosity of 2.4~5.5 dL/g， had a higher ratio of length to diameter and specific surface area， and the further prepared heterocyclic aramid Ⅲ raw papers had excellent mechanical properties. |
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