针对复合材料成型工艺条件下环氧树脂与碳纤维表面的物理化学作用,研究了不同温度下E51树脂以及E51/DDS、E51/咪唑树脂体系的表面张力,E51树脂与T700纤维单丝的接触角;并考察了E51树脂在T700纤维束表面的初始表观接触角.进而对比分析了升温过程中T700纤维与E51/DDS树脂体系的浸润特性,计算出纤维与树脂体系的热力学粘附功,考察了工艺温度条件下纤维与树脂体系的粘附特性.结果表明,升高温度、降低树脂黏度可有效改善纤维与树脂的浸润特性,树脂的黏度作用尤其显著.在树脂体系发生化学反应之前,升温对纤维/树脂粘附特性的促进作用较不明显.
参考文献
| [1] | Amico S,Lekakou C.Mathematical modeling of capillary micro-flow through woven fabrics EJ].Composites Part A,2000,31(12):1331-1344. |
| [2] | Young W B,Wu S F.Permeability measurement of bidirectional woven glass fibers[J].Journal of Reinforced Plastics and Composites,1995,14(10):1109-1120. |
| [3] | Aranberri-Askargorta Ibon,Lampke Thomas,Bismarck Alexander.Wetting behavior of flax fibers as reinforcement for polypropylene[J].Colloid and Interface Science,2003,63:580-589. |
| [4] | Staples T L,Shaffer D G.Wicking flow in irregular capillaries[J].Colloids and Surfaces A:Physicochemical and Engineering Aspects,2002,204(1/3):239-250. |
| [5] | Ferrero F.Wettability measurements on plasma treated synthetic fabrics by capillary rise method[J].Polymer Testing,2003,22(5):571-578. |
| [6] | 王宜,胡健.液滴形状法测量纤维接触角的研究[J].合成纤维工业,2004,27(2):12-14.Wang Yi,Hu Jian.Contact angle measurement of fibers by droplet shape[J].Synthetic Fibers Industry,2004,27(2):12-14. |
| [7] | 胡芳.单根纤维接触角测定技术及应用[J].造纸科学与技术,2006,25(1):34-36.Hu Fang.Contact angle measurement of single fiber and its application[J].Science and Technology of Paper Making,2006,25(1):34-36. |
| [8] | Nardin M,Schultz J.Relations between work of adhesion and equilibrium interatomic distance at the interface[J].Langmuir,1996,12(17):4238-4242. |
| [9] | Pisanova E,Mader E.Acid-base interactions and covalent bonding at fiber-matrix interface:Contribution to the work of adhesion and measured adhesion strength[J].Journal of Adhesion Science and Technology,2000,14(3):415-436. |
| [10] | Rankl M,Laib S,Seeger S.Surface tension properties of surface-coatings for application in biodiagnostics determined by contact angle measurements[J].Colloids and Surfaces B:Biointerfaces,2003,30(3):177-186. |
| [11] | Enkiewicz M Z.Comparative study on the surface free energy of a solid calculated by different methods[J].Polymer Testing,2007,26(1):14-19. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%