Abstract
The effects of glass fibre surface modification on the flow characteristics of unsaturated polyester (UPE) resin were investigated in the resin-transfer moulding (RTM) process. γ-Methacryloxypropyl trimethoxy silane (γ-MPS) was used as a glass fibre surface modifier. It was found that surface energy of glass fibre was decreased by γ-MPS treatment by advancing contact-angle measurement. Unsteady state permeability of glass fabric preforms was measured according to Darcy's law. The apparent permeability of γ-MPS-treated glass fabric performs was slightly lower than that of untreated fabric performs because of the macro/micro flow induced by capillary action. The void contents and the flexural properties of the cured glass-fibre/UPE composites were estimated and morphological study of the glass-fibre/UPE composites was also performed by SEM. When the fibre surface was treated with γ-MPS, the void content and the flexural properties of the glass-fibre/UPE composites were different in different regions of the mould cavity.
| Original language | English |
|---|---|
| Pages (from-to) | 9-16 |
| Number of pages | 8 |
| Journal | Composites Science and Technology |
| Volume | 62 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 2002 |
Keywords
- Permeability
- Resin transfer moulding
- Surface modification
- Void content
- Wettability
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