环保泡沫软化剂在聚氨酯软泡中的应用研究  

Study on Application of An Eco-friendly Foam Softener in Flexible Polyurethane Foam

作　　者：万齐华 吴斌 WAN Qihua;WU Bin(OSIC New Material Technology Research(Jiangsu)Co.Ltd,Suzhou 215600,Jiangsu,China)

机构地区：[1]奥斯佳新材料技术研究(江苏)有限公司,江苏苏州215600

出　　处：《聚氨酯工业》2022年第5期20-23,共4页Polyurethane Industry

摘　　要：采用环保软化剂SF-365和少量水一步法制备了软质聚氨酯泡沫塑料。考察了软化剂对泡沫的物理性能、透气性、泡孔结构、气味和总挥发性有机物(TVOC)的影响,并与全水发泡和二氯甲烷(MC)发泡制备的聚氨酯软泡对比;通过红外光谱分析讨论了软化剂对聚氨酯分子结构的影响。结果表明,添加SF-365制备的聚氨酯软泡泡孔细密,开孔性较好,气味和TVOC较低;SF-365能够有效降低泡沫中沉淀脲的含量,增加泡沫的柔软效果;SF-365对聚氨酯相分离程度影响弱于MC。Flexible polyurethane foams were prepared by one-step method with environmental friendly softener SF-365 and a little water. The effects of softener on the physical properties,permeability,cell structure,odor and TVOC of the foam were discussed,compared with the flexible PU foams prepared by water foaming and methylene chloride( MC) foaming. The effect of softener on the molecular structure of polyurethane was discussed by IR. The results showed that the polyurethane foam prepared by adding SF-365 had fine cell structure,good opening,lower odor and TVOC,and the SF-365 could effectively reduced the sedimentation urea content in the foam,increased the softness of foam. The influence of SF-365 on the phase separation degree of polyurethane was weaker than that of MC.

关 键 词：软质聚氨酯泡沫塑料 泡沫软化剂 二氯甲烷 环保 

分 类 号：TQ328.3[化学工程—合成树脂塑料工业]