LIGHT COLOR ROSIN ESTER COMPOSITIONS AND METHODS OF MAKING SAME
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
The disclosure relates to a light color or a low color rosin or a rosin ester composition. The rosin ester comprises a reaction product of one or more rosins， one or more polyhydric alcohols， and optionally one or more monocarboxylic acids， and optionally one or more polycarboxylic acids having from 2 to 54 carbon atoms; from 0 ppm to 200 ppm of a co-catalyst， and optionally， a disproportionation catalyst， an esterification catalyst， or combinations thereof. The co-catalyst has a triplet formation quantum yield (?? T) of greater than 0.5 and a triplet lifetime (τT) of greater than 0.5 microseconds. Methods to prepare the rosin ester compositions and uses of the compositions are also disclosed.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
