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AssigneeCargill, Incorporated
InventorsTimothy Walter Abraham, Donald Michael Ference, Wei Zhang
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A reaction product of the co-dehydration of a sugar alcohol and a reactant polyol having a number average hydroxyl functionality less than 4.0 is disclosed. In some aspects the sugar alcohol comprises mannitol, sorbitol, xylitol, erythritol, or mixtures thereof. In some preferred aspects the sugar alcohol comprises sorbitol. In some aspects the reactant polyol has an average molecular weight of from 40 to 500 Daltons. In some aspects, the reaction product may be suitable for the manufacture of polyisocyanurate foam. In some aspects the reaction product may be mixed with diluent polyols, such as diols, glycols, ethylene glycol, diethylene glycol, dipropylene glycol, propylene glycol, polyethylene glycol, polypropylene glycol and mixtures thereof.
A composition comprising the reaction product of the co-dehydration of a sugar alcohol and a reactant polyol having a number average hydroxyl functionality less than 4.0.
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A composition comprising a reaction product of the acid catalyzed co-dehydration of a sugar alcohol and a polyol, wherein the reaction product comprises from about 25 to about 65 weight percent isosorbide, and at least 2 percent oligomers.
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A process for the production of a liquid polyol that will remain a liquid at room temperature, the process comprising:
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Dependencies are inferred from the claim text.