4,4'-Bis(phthalimid)diphenyl sulfone compounds, processes for their production and flame retardant polymer compositions containing them
申请人:Tosoh Corporation
公开号:EP0319916A2
公开(公告)日:1989-06-14
A 4,4′-bis(phthalimido)diphenyl sulfone compound having the formula:
wherein X is a halogen atom, k = 0 to 4, ℓ = 0 to 4, m = 0 to 4 and n = 0 to 4, provided k+ℓ+m+n>1.
Sircar; De, Journal of the Indian Chemical Society, 1926, vol. 3, p. 251
作者:Sircar、De
DOI:——
日期:——
Preparation of Ge3N4 films on the germanium surface
作者:I. G. Nakhutsrishvili、D. A. Dzhishiashvili、E. B. Miminoshvili、M. A. Mushkudiani
DOI:10.1007/bf02758930
日期:2000.11
Single-phase beta -Ge3N4 films free of GeO2 and oxygen impurities were prepared on the surface of single-crystal germanium by nitriding with dry ammonia at 800 degreesC.
Wanag; Veinbergs, Chemische Berichte, 1943, vol. 76, p. 479,482, 483