2Arthur Ibbotson. Carbodiimides. US P4014935(1977)
3山西省化工研究所.聚氨酯弹性体手册.北京:化学工业出版社,2001.689
4Spina A L,Dietrich W,Reinhard S.Addition Compounds Which Contain Phosphorus and Their Use as Catalysts for the Production of Foam Resins Which Contain Carbodiimide Groups:US,4234694[P].1980-11-18.
5Spina A L,Dietnch W,Schhebs R.Compounds Containing Phosphorous and A Method for Making Polycarbodiimide Foams with the Compounds as A Catalyst:US,4147710[P].1979-04-03.
8Michael W J.Carbodiimides and Processes Therefore:US,5352400[P].1994-10-04.
9Woerner F P,Kan P T,Falkenatein G.StorageStable,Liquid Polvisocyanates Possessing Carbodiimide Groups,and Process for Their Manufacture:US,4120884[P].1978-10-17.
10Scholl H,Welte R.Process for The Preparation of Liquid Storable Organic Isocyanates Containing Carbodiimide and/or Uretoneimine Groups and Their Use for the Preparation of Polyurethane Plastics:US,5202358[P].1993-04-13.