Keywords acoustic resonance testing dynamic elastic modulus bending strength unsaturated polyester low profile additive polystyrene polymethylmethacrylate curing.;

• 声频振动;动态弹性模量;弯曲强度;不饱和聚酯树脂;低收缩添加剂;聚苯乙烯;聚醋酸乙烯酯;固化;