[EN] MULTIFUNCTIONAL AND BIFUNCTIONAL DITHIOCARBOXYLATE COMPOUNDS, MONOFUNCTIONAL ALKOXYCARBONYL DITHIOCARBAMATE COMPOUND, A METHOD FOR THE PREPARATION OF ALKOXYCARBONYL DITHIOCARBAMATE COMPOUNDS AS WELL AS A METHOD FOR THE PREPARATION OF MULTIBLOCK COPOLYMERS BY MEANS OF RADICAL POLYMERISATION<br/>[FR] COMPOSES DE DITHIOCARBOXYLATE BIFONCTIONNELS ET MULTIFONCTIONNELS, COMPOSE D'ALCOXYCARBONYLE-DITHIOCARBAMATE MONOFONCTIONNEL, PROCEDE DE PREPARATION DE COMPOSES D'ALCOXYCARBONYLE-DITHIOCARBAMATE, AINSI QUE PROCEDE DE PREPARATION DE COPOLYMERES MULTIBLOCS PAR POLYMERISATION DE RADICAUX
申请人:UNIV EINDHOVEN TECH
公开号:WO2005068419A1
公开(公告)日:2005-07-28
The present invention relates to a multifunctional dithiocarboxylate compound. The present invention furthermore relates to a bifunctional dithiocarboxylate compound. The present invention also relates to a monofunctional alkoxycarbonyl dithiocarbamate compound. The present invention further relates to a method for the synthesis of alkoxycarbonyl dithiocarbamate compounds. In addition, the present invention relates to a method for the preparation of one or more polymers by means of a radical polymerisation process, using a monofunctional, a bifunctional or a multifunctional dithiocarboxylate compound.
Compounds of the formula ##STR1## WHEREIN A is a linking group, X is an O--CO-- or --SO.sub.2 -- group and n is at least 2, are prepared from the corresponding N',N'-disubstituted hydrazides by quaternization and treatment with alkali or reaction with an alkylene epoxide or from the corresponding compound wherein n = 1 and A is a polymerizable group by polymerization. The compounds are unstable to heat and may be used as cross-linking agents for polymers or as chain-extending agents, bonding agents or adhesives.
Neue Hydroxyphenylurethane, Verfahren zu ihrer Herstellung, ihre Verwendung und neue Hydroxyphenylurethangruppen enthaltende Chlorkohlensäureester
申请人:BAYER AG
公开号:EP0247476A1
公开(公告)日:1987-12-02
Neue Hydroxyphenylurethane der Formel
in der die verwendeten Symbole die in der Beschreibung angegebene Bedeutung haben, ein Verfahren zu deren Herstellung aus Poly-chlorkohlensäureestern und Aminophenolen, die Verwendung der neuen Hydroxyphenylurethane bei der Herstellung makromolekularer Stoffe und als Antioxidantien, sowie neuen Hydroxyphenylurethangruppen enthaltende Chlorkohlensäureester der Formel
in der die verwendeten Symbole die in der Beschreibung angegebene Bedeutung haben.
Method for control of temperature-sensitivity of polymers in solution
申请人:——
公开号:US20030232961A1
公开(公告)日:2003-12-18
Temperature sensitive, water soluble polymers are disclosed, together with a method for control the LCST of the polymer. The polymers include hydrophillic components and hydrophobic components joined by linking groups such as ester or amide groups wherein the hydrophilic components includes m ethylene oxide groups, the hydrophobic components consist of aliphatic groups such as n ethylenes and/or n cycloaliphatic groups, and where 1≦m≦30 and 1≦n≦30. Substrates bearing the grafted temperature responsive polymers also are disclosed. Microfluidic devices which include the temperature responsive polymers also are disclosed.
本发明公开了对温度敏感的水溶性聚合物,以及控制聚合物 LCST 的方法。该聚合物包括通过酯或酰胺基团等连接基团连接的亲水组分和疏水组分,其中亲水组分包括 m 个环氧乙烷基团,疏水组分包括脂肪族基团,如 n 个乙烯基和/或 n 个环脂族基团,且 1≦m≦30 和 1≦n≦30。此外,还公开了含有接枝温度响应聚合物的基底。还公开了包括温度响应性聚合物的微流体装置。
Dimethylformamide-catalyzed decarboxylation of alkyl chloroformates. A synthesis of primary alkyl chlorides