公开(公告)号：EP1187868A1

公开(公告)日：2002-03-20

申请号：EP00921213.5

申请日：2000-03-15

Applicant: PERSTORP AB

Inventor： MAGNUSSON, Heléne ,  MALMSTRÖM, Eva ,  HULT, Anders ,  REHNBERG, Nicola

IPC: C08G65/18

CPC classification number: C08G83/005 ,  C08G65/18 ,  C08G65/22 ,  C08G83/002

Abstract: A hyperbranched dendritic polyether, which optionally is further processed, such as further chain extended, chain terminated and/or functionalised. The hyperbranched dendritic polyether is obtainable in a process comprising the step of thermally initiated cationic ring-opening polymerisation of at least one oxetaine having at least two reactive groups of which at least one is an oxetane group. The thermally initiated ring-opening polymerisation is performed using an effective amount of at least one initiator, such as a thermal onium salt, a Lewis acid and/or a Brønsted acid. The terminal groups in said hyperbranched dendritic polyether are substantially hydroxyl groups and used for said optional further processing.

公开(公告)号：EP0630389B1

公开(公告)日：1998-04-29

申请号：EP93905712.1

申请日：1993-02-24

Applicant: PERSTORP AB

Inventor： HULT, Anders ,  MALMSTRÖM, Eva ,  JOHANSSON, Mats ,  SÖRENSEN, Kent

IPC: C08G63/02 ,  C08G63/20

CPC classification number: C08G83/003 ,  C08G63/12 ,  C08G63/20 ,  C08G63/60 ,  C09D201/005 ,  C09J201/005 ,  Y10S977/754

Abstract: The invention relates to a dendritic macromolecule of the polyester type, which macromolecule is composed of a central initiator molecule or initiator polymer having one or more reactive groups (A), which groups (A) under formation of an initial tree structure are bonded to reactive groups (B) of a monomeric chain extender holding the two reactive groups (A) and (B). The tree structure is potentially extended and further branched from the initiator molecule or initiator polymer by an addition of further molecules of a monomeric chain extender by means of bonding between the reactive groups (A) and (B) thereof and is possibly further extended by a reaction with a chain stopper. The invention also comprises a process for preparation of the dendritic macromolecule and the use of such a macromolecule.

公开(公告)号：EP1187868B1

公开(公告)日：2004-07-07

申请号：EP00921213.5

申请日：2000-03-15

Applicant: PERSTORP AB

Inventor： MAGNUSSON, Heléne ,  MALMSTRÖM, Eva ,  HULT, Anders ,  REHNBERG, Nicola

IPC: C08G65/18

CPC classification number: C08G83/005 ,  C08G65/18 ,  C08G65/22 ,  C08G83/002

Abstract: A hyperbranched dendritic polyether, which optionally is further processed, such as further chain extended, chain terminated and/or functionalised. The hyperbranched dendritic polyether is obtainable in a process comprising the step of thermally initiated cationic ring-opening polymerisation of at least one oxetaine having at least two reactive groups of which at least one is an oxetane group. The thermally initiated ring-opening polymerisation is performed using an effective amount of at least one initiator, such as a thermal onium salt, a Lewis acid and/or a Brønsted acid. The terminal groups in said hyperbranched dendritic polyether are substantially hydroxyl groups and used for said optional further processing.

公开(公告)号：EP0630389A1

公开(公告)日：1994-12-28

申请号：EP93905712.0

申请日：1993-02-24

Applicant: PERSTORP AB

Inventor： HULT, Anders ,  MALMSTRÖM, Eva ,  JOHANSSON, Mats ,  SÖRENSEN, Kent

IPC: C08L67 ,  C08G63 ,  C08G83 ,  C08L101 ,  C09D167 ,  C09D201 ,  C09J167 ,  C09J201

CPC classification number: C08G83/003 ,  C08G63/12 ,  C08G63/20 ,  C08G63/60 ,  C09D201/005 ,  C09J201/005 ,  Y10S977/754

Abstract: Macromolécule dendritique du type polyester, composée d'une molécule ou d'un polymère initiateur central comprenant un ou plusieurs groupes réactifs (A), lesquels, lors de la formation d'une structure initiale arborescente, se lient à des groupes réactifs (B) d'une extention de chaîne monomère comprenant les deux groupes réactifs (A, B). Cette structure arborescente peut être encore étendue et ramifiée à partir de la molécule ou du polymère initiateur par addition d'autres molécules d'une extension de chaîne monomère par liaison entre les groupes réactifs (A, B), et peut être encore étendue par réaction avec un arrêt de chaîne. L'invention porte également sur un procédé d'élaboration de la macromolécule dendritique et sur son utilisation.