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AssigneesTereos Starch & Sweeteners Belgium, Centre National De La Recherche Scientifique, SociéTé Soprema SAS, Universite De Strasbourg
InventorsPierre Etienne BINDSCHEDLER, Alexandru SARBU, Stephanie LAURICHESSE, Remi PERRIN, Pierre FURTWENGLER, Luc AVÉROUS, Andreas REDL
Estimating the term…
A polyester polyol of formula produced by a first polycondensation (a) of a sugar alcohol Z in C3 to C8 and two diacids Y and Y′ which are the same or different in C4 to C36, and a second polycondensation (b) of the product produced in (a) with two diols X and X′ which are the same or different in C2 to C12, the polymer including such a polyester polyol. Also, a method for producing the polyester polyols and the use thereof in foams, adhesives, coatings or elastomers of polyurethane or polyisocyanurate.
1-12. (canceled)
A polyester polyol obtained by a first polycondensation (a) of a sugar alcohol Z in C3 to C8 and of two diacids Y and Y′ which are identical or different in C4 to C36 and of a second polycondensation (b) of the product obtained in (a) with two diols X and X′ which are identical or different in C2 to C12.
Dependencies are inferred from the claim text.