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초록·키워드
Poly-DCPD type epoxy resin and composite materials were prepared reaction injection molding(RIM) polymerization from polyamide based curing agents(G-5022:G-0930) with inorganic filler(SiO₂, Cu₂O, CuO and CaO). and the effects of composite on the impact strength, flexural strength and surface hardness of the reinforced poly-DCPD type epoxy resin were experimentally examined.
Impact strength and flexural strength increased as the amount of SiO₂ added increased. but decreased at more than 0.6wt%. also surface hardness showed a constant value regardless of the addition amount. and impact strength and flexural strength increased as the size of SiO₂ particles was smaller. it was found that the surface hardness had little effect.
The impact strength, flexural strength and surface hardness were highest when Cu₂O was used as a filler. SiO₂ and CuO were similar to each other. and the curing temperature was increased, impact strength, flexural strength and surface hardness did not changed.
Impact strength and flexural strength increased as the amount of SiO₂ added increased. but decreased at more than 0.6wt%. also surface hardness showed a constant value regardless of the addition amount. and impact strength and flexural strength increased as the size of SiO₂ particles was smaller. it was found that the surface hardness had little effect.
The impact strength, flexural strength and surface hardness were highest when Cu₂O was used as a filler. SiO₂ and CuO were similar to each other. and the curing temperature was increased, impact strength, flexural strength and surface hardness did not changed.
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UCI(KEPA) : I410-ECN-0101-2018-454-001852327
