Elastomers based on polycyclic bisphenol polycarbonates
✍ Scribed by K. P. Perry; W. J. Jackson Jr.; J. R. Caldwell
- Book ID
- 102733899
- Publisher
- John Wiley and Sons
- Year
- 1965
- Tongue
- English
- Weight
- 705 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0021-8995
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Several sulfone-containing polycarbonates, having inherent viscosity 0.25-0.30 dL g 01 in N,N-dimethylformamide (DMF), were prepared by melt polycondensation of diphenyl carbonate (DPC) with various aromatic and aliphatic diols, in the presence of zinc acetate as transesterification catalyst. The po
## Abstract The phase‐separation behavior and morphology of polycarbonate‐based polyurethanes were investigated as a function of the soft‐segment molecular weight and chemical structure and the 4,4′‐diphenylmethane diisocyanate/1,4‐butanediol based hard‐segment contents. Polarized optical microscop