Soybean oil epoxy resin porous acoustic material and preparation method thereof

The invention discloses a soybean oil epoxy resin porous acoustic material, which is prepared from the following components in parts by mass: 74 to 77 parts of epoxy soybean oil, 23 to 27 parts of anhydride curing agent, 0.93 to 1.09 parts of curing catalyst, 8.4 to 8.7 parts of foaming agent and 0.45 to 0.55 part of foam stabilizer. The invention further discloses a preparation method of the soybean oil epoxy resin porous acoustic material, epoxy soybean oil is used for completely replacing petroleum-based epoxy resin to prepare the epoxy resin porous material, environmental pollution is reduced, and the prepared soybean oil epoxy resin porous acoustic material has good acoustic performance. 本发明公开了一种大豆油环氧树脂多孔声学材料，其组分及其各组分的质量份数如下：环氧大豆油：74-77份、酸酐固化剂：23-27份、固化催化剂：0.93-1.09份、发泡剂：8.4-8.7份、泡沫稳定剂：0.45-0.55份。本发明还公开了一种大豆油环氧树脂多孔声学材料的制备方法，利用环氧大豆油完全替代石油基环氧树脂制备环氧树脂多孔材料，降低了环境污染，使得制备的大豆油环氧树脂多孔声学材料具有良好的声学性能。