[(Polyfluoroalkoxy)methyl]thiiranes and 2-anilinoethanethiols
摘要:
By reaction of appropriate oxiranes with thiourea [(polyfluoroalkoxy)methyl]-substituted thiiranes were obtained that are key compounds for the synthesis of perfluoro-containing 1,2-aminopropanethiols.
[(Polyfluoroalkoxy)methyl]thiiranes and 2-anilinoethanethiols
摘要:
By reaction of appropriate oxiranes with thiourea [(polyfluoroalkoxy)methyl]-substituted thiiranes were obtained that are key compounds for the synthesis of perfluoro-containing 1,2-aminopropanethiols.
An in situ formed Ca<sup>2+</sup>–crown ether complex and its use in CO<sub>2</sub>-fixation reactions with terminal and internal epoxides
作者:J. Steinbauer、A. Spannenberg、T. Werner
DOI:10.1039/c7gc01114h
日期:——
Calcium punched beyond its weight: An in situ formed Ca2+–crown ether complex showed unprecedented efficiency in cyclic carbonate synthesis.
钙超出了其重量范围:一种原位形成的Ca2+–冠醚复合物在环状碳酸酯合成中表现出前所未有的效率。
짧은 불화알킬기를 포함하는 불소계 설페이트 음이온 계면활성제 및 이의 제조방법
申请人:KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY 한국화학연구원(319980077651)
公开号:KR20170083667A
公开(公告)日:2017-07-19
본 발명은 짧은 불화알킬기를 포함하는 불소계 설페이트 음이온 계면활성제 및 이의 제조방법에 관한 것으로, 본 발명에 따른 과불화알킬기를 포함하는 불소계 설페이트 음이온 계면활성제는 짧은 불화알킬기를 가짐에도 불구하고 낮은 표면장력을 가지고, 염 상태로 존재함으로써, 물에 대한 높은 용해성을 겸비하며, 성능이 우수하므로, 음이온 계면활성제로 유용하게 사용될 수 있다.
Brey; Tarrant, Journal of the American Chemical Society, 1957, vol. 79, p. 6533,6534,6536
作者:Brey、Tarrant
DOI:——
日期:——
An approach to fluorinated surface coatings via photoinitiated cationic cross-linking of mixed epoxy and fluoroepoxy systems
作者:Stephen Matuszczak、W.James Feast
DOI:10.1016/s0022-1139(99)00288-2
日期:2000.3
The synthesis and characterisation of four polyfluorinated monoepoxides is described. These fluoroepoxy monomers were cationically polymerised either neat or as mixtures with diglycidylether of bisphenol-A using the initiator system (CH3CH2)(3)Al/H2O (2/1) or the photoinitiator Ph2I+, PF6-. Contact angle measurements indicated that, in favourable cases, the fluorinated epoxide monomer surface segregated at low loadings to give significant lowering of the surface free energy of photocured films of diglycidylether of bisphenol-A. (C) 2000 Elsevier Science S.A. All rights reserved.