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US4001130A Optical brighteners 失效
荧光增白剂

Optical brighteners
摘要:
1,3-Butadienes which are substituted at both terminal carbon atoms with phenyl, naphthyl, theinyl or furyl groups or one benzoxazolyl group are useful as optical brighteners for detergents. The butadienes, some of which are known, can be obtained by HORNER syntheses.
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