Shaped articles comprising poly[(trimethylene-co-dianhydrosugar ester) dicarboxylate] or poly(trimethylene-co-dianhydro-dicarboxylate with improved stability
AssigneeE. I. Du Pont de Nemours and Company
InventorsJing-Chung Chang, Joseph V. Kurian
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Abstract
A shaped article comprising poly[(trimethylene-co-dianhydrosugar ester) dicarboxylate] or poly(trimethylene-co-dianhydro-dicarboxylate having improved stability in the form of less change of Tg and reduced shrinkage upon storage at elevated temperature is disclosed.
Claims36
A shaped article comprising poly[(trimethylene-co-dianhydrosugar ester) dicarboxylate] or poly(trimethylene-co-dianhydro-dicarboxylate).
The shaped article of clam 8 wherein the staple fiber further comprises a coloring agent, dye, pigment, delustrant, flame retardant, infrared absorbing agent or UV stabilizer.
A multifilament yarn comprising a multiconstituent filament of poly(trimethylene-co-dianhydrosugar ester) terephthalate or poly(trimethylene-co-dianhydro-sugar terephthalate).
A shaped article comprising poly[(trimethylene-co-dianhydrosugar ester) terephthalate].
A shaped article comprising poly(trimethylene-co-dianhydro-terephthalate).
Dependencies are inferred from the claim text.