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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A light color or a low color rosin or a rosin ester composition is disclosed. Significant color improvement can be obtained for a low color rosin， or a rosin ester by using a co-catalyst. In one embodiment， 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. In another embodiment， the co-catalyst is selected from acridone， anthrone， 9-fluorenone， thioxanthone， xanthone， derivatives， or combinations thereof. A light color or a low color rosin or a rosin ester composition is disclosed. Significant color improvement can be obtained for a low color rosin， or a rosin ester by using a co-catalyst. In one embodiment， 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. In another embodiment， the co-catalyst is selected from acridone， anthrone， 9-fluorenone， thioxanthone， xanthone， derivatives， or combinations thereof.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
