Method and apparatus for testing aldehyde in a polyester...

Details Method and apparatus for testing aldehyde in a polyester... Method and apparatus for testing aldehyde in a polyester...

G - Physics

01

N

G01N 31/22 (2006.01)

Patent

CA 2454728

A test strip, methods for making and using the test strip, and a kit are described, which allow for the simple and efficient determination of the acetaldehyde content in a polyester polymer. The strip and methods have application, for example, in the manufacture of polyethylene terephthalate preforms and containers, where existing methods for testing for acetaldehyde are cumbersome and time consuming.

L'invention porte sur une bande de test et sur les procédés de fabrication et d'utilisation de celle-ci et sur un kit. Cette bande de test permet de déterminer de manière simple et efficace la teneur en acétaldéhyde dans un polymère polyester. Cette bande et les procédés précités peuvent être utilisés, par exemple, dans la fabrication de préformes et de réceptacles en poly(térephtalate d'éthylène), les procédés actuels de test de l'acétaldéhyde nécessitant un matériel encombrant et exigeant une trop longue mise en oeuvre.

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