Environment in summer and winter were simulated. Roles of catalysts on the aeration, hardness and deformation of polyether type PU soft foam were studied.
模拟冬夏季节环境，考察了不同催化剂对聚醚型聚氨酯软质泡沫通气性、硬度和压缩变形的影响。
Environment in summer and winter were simulated. Roles of catalysts on the aeration, hardness and deformation of polyether type PU soft foam were studied.
模拟冬夏季节环境，考察了不同催化剂对聚醚型聚氨酯软质泡沫通气性、硬度和压缩变形的影响。
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