B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 31/00 (2006.01) B01J 31/22 (2006.01) B01J 37/00 (2006.01) C08F 4/02 (2006.01) C08F 4/60 (2006.01) C08G 63/00 (2006.01) C08G 63/16 (2006.01) C08G 63/18 (2006.01) C08G 63/66 (2006.01) C08G 63/78 (2006.01) C08G 63/82 (2006.01) C08G 63/85 (2006.01) C08G 63/87 (2006.01) D01F 6/62 (2006.01) D04H 1/42 (2006.01)
Patent
CA 2429463
A catalyst composition for producing polyesters comprises (a) a compound obtained by reacting a titanium, zirconium or aluminum alkoxide with an alcohol having at least two hydroxyl groups or a 2-hydroxy carboxylic acid in the presence of a base, and (b) at least one compound comprising germanium, tin or antimony. Polyesters obtained by esterification using this catalyst are disclosed, as are textiles, fibers, films, rigid packaging, and other articles made using the polyester.
L'invention concerne une composition de catalyseur permettant de produire des polyesters. Cette composition comprend (a) un composé organométallique obtenue par réaction d'un orthoester ou d'un orthoester condensé de titane, zirconium ou aluminium, un alcool contenant au moins deux groupes hydroxyl, un acide 2-hydroxy carboxylique et une base ; et (b) au moins un composé comprenant du germanium, de l'antimoine ou de l'étain. Les polyesters obtenus par réaction d'estérification en présence des compositions de catalyseurs selon la présente invention présentent des propriétés de fusion améliorées et sont particulièrement appropriées pour la production de fibres textiles et commerciales, d'emballages sous forme de films et rigides.
Bellamy Andrew Martin
Davies Steven Charles
Lindall Charles Mark
Mcintosh Calum Harry
Partridge Martin Graham
Gowan Intellectual Property
Honeywell International Inc.
Imperial Chemical Industries Plc
Johnson Matthey Plc
Performance Fibers Inc.
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