Four series of aromatic polyimides (PIs V-VIII) composed of biphenyltetracarboxylic dianhydrides (BPDAs) and aromatic diamines bearing alkylene spacers were prepared by two methods. Most polymers could be readily prepared in a one-step method for the combination of a-BPDA with โฃ,-bis(3-aminophenoxy)
โฆ LIBER โฆ
Preparation of polyimides from pyromellitic dithioanhydride and aromatic diamines
โ Scribed by Imai, Yoshio ;Kojima, Katsunori
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1972
- Tongue
- English
- Weight
- 268 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0449-296X
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