Abstract A lightfast aq. polyurethane emulsion for leather finishing was prepared mainly from aliphatic isocyanate.
选择脂肪族异氰酸酯为主要原料，制备了一种耐光型水性聚氨酯皮革
。
tú shì
- cover with paint, lacquer, colour wash, etc.
- daub on a wall
- whitewash
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涂漆, 涂去, 涂上, 涂上胶水, 涂上一层的, 涂饰, 涂刷, 涂炭, 涂污, 涂香油于,