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- 저자 : Kaikai Si (검색결과 1 건)
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Flexible Composite Materials – Between Inorganic Fibers and Organic Polymers
Guangchao Sun,Qingzhu Liu,Kaikai Si,Jiayu Zhang,Rui Xiong,Kaiqi Liu,Yunfa Chen 한국섬유공학회 2020 Fibers and polymers Vol.21 No.3
In order to develop a flexible composite material that could play a good cushion role for high temperature ceramicmembrane cleaning, we herein report a flexible composite material which could achieve effective buffering to relieve thestress generated by rigid contact and play a certain sealing effect. The coating method is applied to fabricate the compositematerial, which can be produced by multi-layer superposition using high silica fiber fabric and waterborne polyurethane. Theresults show that waterborne polyurethane (WPU) as a binder coating plays a key role in improving the strength by six timescompared to raw materials and maintaining the elasticity of materials. Meanwhile, the thermal degradation mechanism of thecomposites calcined at different temperatures (700-1200 oC) in air atmosphere is investigated. The as-made compositematerials still have good flexibility, and the tensile strength is about 2.4 MPa after calcination at 1000 oC for 80 h. Thisprovides a method to prepare flexible cushion composite materials for ceramic membrane filtration.
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