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Weak bronsted acid derivatives for improving dimensional stability of polyurethane flexible foams
Weak bronsted acid derivatives for improving dimensional stability of polyurethane flexible foams
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机译:弱布朗斯台德酸衍生物可改善聚氨酯软泡的尺寸稳定性
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摘要
A method for preparing a flexible polyurethane foam by reacting an organic polyisocyanate with a polyol in the presence of urethane catalyst, water as a blowing agent, optionally a silicone surfactant, and a cell opener characterized in that the cell opener comprises an active methylene- or methine-group containing compound.
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