Compositions of and processes for producing a...

C - Chemistry – Metallurgy – 08 – G

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C08G 64/02 (2006.01) C08G 64/30 (2006.01)

Patent

CA 2704028

This invention relates to compositions of and processes for producing an unsubstituted or R-substituted poly(trimethylene glycol carbonate trimethylene glycol ether) diol. The processes use acidic ion exchange resins and include solvents.

La présente invention concerne des compositions de diol de poly(carbonate de triméthylèneglycol-éther de triméthylèneglycol) non substitué ou R-substitué, ainsi que des procédés de production de ce composé. Les procédés utilisent des résines échangeuses d'ions acides et mettent en jeu des solvants.

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