Methacylic acid / acrylonitrile copolymer (MAA/AN) foam with low density,high strength,high rigidity and high heat-resistance is prepared via the means of in-situ cyclization.

• 通过“原位成环”法制备了一种低密度、高强度、高刚性和高耐热性的(甲基丙烯酸/丙烯腈)共聚物(MAA/AN)泡沫塑料。