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US4115124A Method of immobilizing optical brighteners 失效
固定荧光增白剂的方法

Method of immobilizing optical brighteners
摘要:
The incorporation of polymers containing at least 80% by weight of substituted or unsubstituted poly(vinyl imidazole) in a photographic element containing fluorescent optical brighteners immobilizes the brighteners. The photographic elements resist loss of brightness due to photographic processing or washing.
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