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    • 9. 发明申请
    • ALDEHYDE SCAVENGERS AND METHODS FOR MAKING AND USING SAME
    • ALDEHYDE SCAVENGERS及其制造和使用方法
    • WO2016022876A1
    • 2016-02-11
    • PCT/US2015/044134
    • 2015-08-07
    • GEORGIA-PACIFIC CHEMICALS LLC
    • HARRIMAN, Steven K.BREYER, Robert A.
    • C08K3/30C08K5/07C08K5/17C08L61/24
    • C08L61/24C08K3/28C08K3/30C08K5/21C08K2003/285
    • Aldehyde scavengers, binder compositions including the aldehyde scavengers, and methods for making and using same. The aldehyde scavenger can include a urea-formaldehyde resin having a formaldehyde to urea molar ratio of about 1.5:1 to about 2.2:1, a sulfite compound, an ammonium salt, free urea, and a liquid medium. The aldehyde scavenger can have a total formaldehyde to total urea molar ratio of about 0.3:1 to about 0.8:1. The aldehyde scavenger can include about 0.5 wt% to about 4 wt% of the sulfite compound and about 0.5 wt% to about 4 wt% of the ammonium salt, based on a combined weight of the urea-formaldehyde resin, the sulfite compound, the ammonium salt, the free urea, and the liquid medium. The binder compositions can include the aldehyde scavenger and one or more aldehyde-based resins.
    • 醛清除剂,包括醛清除剂的粘合剂组合物,及其制备和使用方法。 醛清除剂可以包括甲醛与脲的摩尔比为约1.5:1至约2.2:1的脲甲醛树脂,亚硫酸盐化合物,铵盐,游离脲和液体介质。 醛清除剂可以具有约0.3:1至约0.8:1的总甲醛与总的尿素摩尔比。 醛清除剂可以包含约0.5重量%至约4重量%的亚硫酸盐化合物和约0.5重量%至约4重量%的铵盐,基于脲甲醛树脂,亚硫酸盐化合物, 铵盐,游离尿素和液体介质。 粘合剂组合物可以包括醛清除剂和一种或多种醛基树脂。