| 氧气低温等离子体对PBO纤维的表面改性 |
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| 引用本文： | 刘丹丹.氧气低温等离子体对PBO纤维的表面改性[J].合成纤维工业,2009,32(6). |
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| 作者姓名： | 刘丹丹 |
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| 作者单位： | 长江大学机械工程学院,湖北,荆州,434023 |
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| 摘 要： | 采用氧气低温等离子体对聚对苯撑苯并双噁唑(PBO)纤维进行表面改性,讨论了处理时间、处理功率及气压对PBO纤维单丝强度、与环氧树脂基体的界面剪切强度(π_(IFSS))、形态结构、表面元素组成和亲水性的影响。结果表明:在处理时间为2.5 min,处理功率为30 W,处理气压为50 Pa的最佳工艺条件下,经氧气等离子处理后的PBO纤维与环氧树脂的π_(IFSS)比原丝提高60%,达9.38 MPa,与水的接触角也从105°下降到72°。
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| 关 键 词： | 聚对苯撑苯并双噁唑纤维 氧气 低温等离子体 界面剪切强度 亲水性 |
Surface modification of PBO fiber with low-temperature oxygen plasma |
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| Liu Dandan.Surface modification of PBO fiber with low-temperature oxygen plasma[J].China Synthetic Fiber Industry,2009,32(6). |
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| Authors: | Liu Dandan |
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| Abstract: | The surface modification of polybenzoxazole(PBO)fiber was carried out with low-temperature oxygen plasma.The effects of treating time,power and pressure on the single-strand strength,interfacial shearing strength((T)_(IFSS))with epoxy resin matrix,morphology,surface elemental composition and hydrophilieity of PBO fiber were discussed.The results showed that after low-temperature oxygen plasma modification under the optimal process conditions of treating time 2.5 rain,power 30 W and pressure 50 Pa,(T)_(IFSS) of PBO fiber with epoxy resin reached 9.38 MPa with a growth of 60%and the contact angle with water was decreased to 72°from 105°as compared with as-spun PBO fiber. |
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| Keywords: | polybenzoxazolc fiber oxygen low-temperature plasma interfacial shearing strength hydrophilieity |
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