The composite foams showed a significant improvement in mechanical properties over pure polymer foams . composite scaffolds of ladder - like structure have better mechanical ability than scaffolds of round structure 复合后材料的抗压缩强度和弹性模量较纯plla支架有所提高，梯状结构的材料力学性能优于圆孔结构的材料。
2.
Composite foams have better properties than pure polymer foams and high bioactive ability . they are promising scaffolds for bone - tissue engineering . the experiment results have important value both in theory and applied engineering 这些实验结果对研制出具有高生物活性，力学性能合适，降解速率可调的骨组织工程用支架材料，无论在理论上还是在实际应用中都有着重要的作用。
