| 摘要 |
Included are polyurethaneurea compositions include polyurethaneurea aqueous dispersions. The dispersions may be prepared with solvent or in the absence of any added solvent. Films and other shaped articles may be prepared from the dispersions by a casting a drying method and optionally included with a substrate including paper, fabric or garments. The films exhibit a reduced discoloring or yellowing upon exposure to atmosphere, heat, and UV.
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