Synthesis and Characterization of a Dimagnesiated Aromatic Compound: Oligomeric Derivatives of 1,4-Bis(chloromagnesio)-2,5-di- tert -butylbenzene
β Scribed by Reck, Cathrine E.; Winter, Charles H.
- Book ID
- 126126806
- Publisher
- American Chemical Society
- Year
- 1997
- Tongue
- English
- Weight
- 96 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0276-7333
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π SIMILAR VOLUMES
Novel aromatic polyimides containing symmetric, bulky di-tert-butyl substituents unit were synthesized from 1,4-bis(4-aminophenoxy)2,5-di-tert-butylbenzene (BADTB) and various aromatic tetracarboxylic dianhydrides by the conventional twostage procedure that included ring-opening polyaddition in a po
The diamine 1,4-bis(4-aminophenoxy)-2,5-di-tert-butylbenzene, containing symmetric, bulky di-tert-butyl substituents and a flexible ether unit, was synthesized and used to prepare a series of polyamides by the direct polycondensation with various aromatic dicarboxylic acids in N-methyl-2-pyrrolidino
A series of copolyimides (co-PIs) with high molecular weights, excellent mechanical properties, heat-resistant properties, and good solubilities in organic solvents were synthesized from six kinds of commercial dianhydrides (IIa-f) and 1,4-bis(4aminophenoxy)-2-tert-butylbenzene (I). Monomers (IIa-d)