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1. WO2000024803 - PREPARATION OF A COPOLYETHER ESTER

Publication Number WO/2000/024803
Publication Date 04.05.2000
International Application No. PCT/NL1999/000647
International Filing Date 18.10.1999
Chapter 2 Demand Filed 30.03.2000
IPC
C08G 63/672 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
63Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
66Polyesters containing oxygen in the form of ether groups
668derived from polycarboxylic acids and polyhydroxy compounds
672Dicarboxylic acids and dihydroxy compounds
C08G 63/82 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
63Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
78Preparation processes
82characterised by the catalyst used
C08G 63/83 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
63Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
78Preparation processes
82characterised by the catalyst used
83Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof
C08G 63/85 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
63Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
78Preparation processes
82characterised by the catalyst used
85Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
CPC
C08G 63/672
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
63Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
66Polyesters containing oxygen in the form of ether groups
668derived from polycarboxylic acids and polyhydroxy compounds
672Dicarboxylic acids and dihydroxy compounds
C08G 63/82
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
63Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
78Preparation processes
82characterised by the catalyst used
C08G 63/83
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
63Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
78Preparation processes
82characterised by the catalyst used
83Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof
C08G 63/85
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
63Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
78Preparation processes
82characterised by the catalyst used
85Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
Applicants
  • DSM N.V. [NL]/[NL] (AllExceptUS)
  • BONTE, Geert, Imelda, Valere [BE]/[BE] (UsOnly)
  • WEREMEUS BUNING, Gerard, Hidde [NL]/[NL] (UsOnly)
  • DIJKSTRA, Krijn [NL]/[NL] (UsOnly)
  • WARNIER, Jean, Marie, Martinus [NL]/[NL] (UsOnly)
Inventors
  • BONTE, Geert, Imelda, Valere
  • WEREMEUS BUNING, Gerard, Hidde
  • DIJKSTRA, Krijn
  • WARNIER, Jean, Marie, Martinus
Agents
  • ALFENAAR, Marinus
Priority Data
101038523.10.1998NL
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PREPARATION OF A COPOLYETHER ESTER
(FR) PREPARATION D'UN ESTER DE COPOLYETHER
Abstract
(EN)
The invention relates to a process for the preparation of a copolyether ester built up of hard polyester segments of repeating units derived from at least one alkylene glycol and at least one aromatic dicarboxylic acid or an ester thereof and soft segments derived from at least one polyalkylene oxide glycol, which comprises polymerization by condensation in the melt of at least one aromatic dicarboxylic acid, at least one alkylene glycol and at least one polyalkylene oxide glycol, in the presence of a catalyst based on a combination of titanium and a bivalent metal in a single compound or several compounds, characterized in that the molecular ratio of Ti : bivalent metal is at most 1.6, preferably at most 1.5. The invention leads to a substantial shortening of the polycondensation time in the melt or a higher degree of polymerization of the copolyether ester. The solid-phase post-condensation can also be shortened substantially. The process is effective in particular for copolyether esters with a high soft segment content and for copolyether esters with soft segments based on polypropylene oxide glycol.
(FR)
L'invention concerne un procédé servant à préparer un ester de copolyéther constitué par des segments durs de polyester d'unités répétées provenant d'au moins un alkylène glycol et d'au moins un acide dicarboxylique aromatique ou d'un de ses esters, ainsi que par des segments mous provenant d'au moins un polyalkylène oxyde glycol, ce qui consiste à polymériser par condensation dans le mélange en fusion au moins un acide dicarboxylique aromatique, au moins un alkylène glycol et au moins un polyalkylène oxyde glycol, en présence d'un catalyseur basé sur une combinaison de titane et d'un métal bivalent dans un seul composé ou plusieurs composés, caractérisé par le fait que le rapport moléculaire Ti : métal bivalent est au maximum 1,6, de préférence 1,5. Cette invention permet de raccourcir considérablement la durée de polycondensation du mélange en fusion ou d'un degré plus élevé de polymérisation de l'ester de copolyéther. On peut également raccourcir considérablement la post-condensation en phase solide. Ce procédé est particulièrement efficace pour des esters de copolyéther possédant une teneur élevée en segments mous et pour des esters de copolyéther comprenant des segments mous basés sur polypropylène oxyde glycol.
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