C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 63/26 (2006.01) C07C 27/02 (2006.01) C07C 31/20 (2006.01) C07C 31/27 (2006.01) C07C 51/09 (2006.01) C08J 11/16 (2006.01)
Patent
CA 2164591
A process for recycling polyester contained in waste materials is provided. The polyester is converted into a corresponding acid salt of a polybasic organic acid and a polyol. The process steps generally include first combining materials containing polyester with an alkaline composition to form a mixture. The mixture is heated, causing the polyester to convert to the acid salt and polyol. The polyol is evaporated and separated from the acid salt.
L'invention concerne un procédé de recyclage du polyester contenu dans des déchets. Le polyester est transformé en un sel acide correspondant d'acide organique polybasique et en un polyol. Ledit procédé consiste généralement à combiner les matériaux contenant le polyester avec une composition alcaline de manière à former un mélange, lequel est ensuite chauffé, ce qui entraîne la transformation du polyester en sel acide et en polyol. Le polyol est ensuite évaporé et séparé du sel acide.
Borden Ladner Gervais Llp
United Resource Recovery Corporation
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