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US4766169A Tackifiers and their use in pressure sensitive adhesives 失效
增粘剂及其在压敏粘合剂中的应用

Tackifiers and their use in pressure sensitive adhesives
摘要:
Petroleum resins having a softening point from 10.degree. C. to 80.degree. C. obtained from C.sub.5 olefines and diolefines and one or more monovinyl aromatic compounds contain from 10 to 30 wt. % of the aromatic are useful as tackifiers in a combination with carboxylated styrene butadiene copolymer to produce aqueous based pressure sensitive adhesives.
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