Aliphatic poly(amido acids) and polyimides with cyclobutane ring in the main chain
β Scribed by Fusae Nakanishi; Masaki Hasegawa; Hiroshi Takahashi
- Book ID
- 103347247
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 443 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0032-3861
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π SIMILAR VOLUMES
## Abstract Eight __s__βtriazineβcontaining polyimides were synthesized by solution polycondensation of diisocyanates having an __s__βtriazine ring with pyromellitic dianhydride in dimethylacetamide. Polyimides derived from __meta__βoriented diisocyanates were amorphous and soluble in dipolar aprot
A diamine monomer containing the 1,3-biscyclohexyl-l-methylindan group was prepared, starting from' cyclohexyl phenyl ketone in four steps. This monomer was reacted with six different dianhydrides (pyromellitic dianhydride, 3,43',4'-biphenyltetracarboxylic dianhydride, 3,43',4'-benzophenonetetracarb