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- W242893985 abstract "Abstract : The ladder polymer, BBL, has been formed into thin films by collecting suspensions of the polymer obtained from acid reprecipitations upon a fritted glass funnel. After drying, the polymer can be removed in the form of a film with thickness dependent upon the amount of material used. The film can be freely handled and very advantageously used for obtaining infrared spectra. Such a film has a tensile strength of 9,600 lb/sq in as compared to a tensile strength of 16,000 lb/sq in obtained from the same polymer when cast from methanesulfonic acid solution. The films are dark with an intense golden luster which gives the appearance of a metal foil. Other aromatic heterocyclic polymers were examined to compare film formation with molecular structure." @default.
- W242893985 created "2016-06-24" @default.
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- W242893985 date "1971-08-01" @default.
- W242893985 modified "2023-09-24" @default.
- W242893985 title "Aggregation Behavior and Film Formation of BBL and Other Ladder Polymers" @default.
- W242893985 hasPublicationYear "1971" @default.
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