论文部分内容阅读
评述了《GB18581—2001》国家标准发布执行以来,涂料界在降低PU涂料中游离TDI方面取得的技术进展。虽然蒸馏法已成功投产,但至今为止是化学法起主要作用。今后应抓紧建立几个规模化的蒸馏法生产预聚物商品的基地,同时坚持技术发展的多样性与技术、产品间的交流融通,积极创造条件把游离TDI限量的技术标准提升到更接近国际先进水平。
Comment on the technical progress of coating industry in reducing free TDI in PU coating since the implementation of GB18581-2001 national standard. Although distillation has been successfully put into operation, but so far is the main role played by the chemical method. In the future, we should pay close attention to establishing a large-scale base for the production of prepolymer commodities by distillation. At the same time, we should adhere to the diversity of technology development, exchange of technologies and products, and actively create the conditions to raise the technical limit of free TDI to a level closer to that of the international Advanced level.