Tri-liquid system in the synthesis of dialkyl peroxides using tetraalkylammonium salts as phase-transfer catalysts
作者:Stefan Baj、Agnieszka Siewniak
DOI:10.1016/j.apcata.2010.07.015
日期:2010.9.15
system using tetraalkylammonium salts as phase-transfercatalysts is reported. This process was conducted in the presence of highly concentrated aqueous KOH solutions and cyclohexane as an organic solvent. In a liquid–liquid–liquid system, the phase-transfercatalyst forms an insoluble third-liquid phase between the organic and aqueous phases that enables the catalyst to be recycled multiple times.
Process for cross-linking shaped non-polar synthetic resins and electric objects insulated with said crosslinked resins
申请人:AKZO N.V.
公开号:EP0009268A1
公开(公告)日:1980-04-02
Non-polar synthetic resins are cross-linked by mixing the resin with a peroxide having a formula illustrated in the accompanying drawing and exposing the mixture to a high frequency alternating current field in the absence of any polar auxiliary substance other than said peroxide.
The polymers thus cured have favourable electrical properties and are very suitable to be used as insulating material for electrical cables.