Abstract
The size reduction of waste polymer and composite materials has become an important subject in the field of waste reclamation. And then energy consumptions by size reduction of waste polymers and composite as GFRP are very large.Therefore, the effect of boiling water corrosion on the decreasing fracture energy for polymer (unsaturated polyester) and GFRP (Glass Fibre Reinforced Plastics) has been investigated experimentally as a fundamental study of industrial pulverizing operation.The results obtained are as follows:(1) The impact fracture energy for polymer decreased with increasing immersion time in boiling water.(2) Interlaminar shear strength (ILSS) for GFRP decreased with increasing immersion time in boiling water.(3) It was found that total fracture energy for GFRP displaied a maximum at a critical value of immersion time (after about 12hr from start).
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