Process for the preparation of sterically hindered nitroxyl ethers
申请人:Schöning Kai-Uwe
公开号:US20100249401A1
公开(公告)日:2010-09-30
The present invention relates to a novel process for the preparation of a sterically hindered nitroxyl ether from the corresponding sterically hindered nitroxyl radical by reacting it with a carbonyl compound and a hydroperoxide. The compounds prepared by this process are effective stabilizers for polymers against harmful effects of light, oxygen and/or heat, as flame-retardants for polymers and as polymerization regulators.
PROCESS FOR THE PREPARATION OF STERICALLY HINDERED NITROXYL ETHERS
申请人:BASF SE
公开号:EP2035381B1
公开(公告)日:2010-12-29
US8471031B2
申请人:——
公开号:US8471031B2
公开(公告)日:2013-06-25
[EN] PROCESS FOR THE PREPARATION OF STERICALLY HINDERED NITROXYL ETHERS<br/>[FR] PROCÉDÉ DE PRÉPARATION D'ÉTHERS DE NITROXYLE STÉRIQUEMENT ENCOMBRÉS
申请人:CIBA SC HOLDING AG
公开号:WO2008003602A1
公开(公告)日:2008-01-10
[EN] The present invention relates to a novel process for the preparation of a sterically hindered nitroxyl ether from the corresponding sterically hindered nitroxyl radical by reacting it with a carbonyl compound and a hydroperoxide. The compounds prepared by this process are effective stabilizers for polymers against harmful effects of light, oxygen and/or heat, as flame-retardants for polymers and as polymerization regulators. [FR] La présente invention concerne un procédé innovant de préparation d'un éther de nitroxyle stériquement encombré à partir du radical nitroxyle stériquement encombré correspondant en le faisant réagir avec un composé de carbonyle et un hydropéroxyde. Les composés préparés par ce procédé sont des stabilisants efficaces pour les polymères contre les effets nuisibles de la lumière, de l'oxygène et/ou de la chaleur, en tant qu'ignifugeants pour les polymères et que régulateurs de polymérisation.