Solid state hydrolysis of bisphenol-A polycarbonate. I. Effect of phenolic end groups
โ Scribed by C. A. Pryde; M. Y. Hellman
- Publisher
- John Wiley and Sons
- Year
- 1980
- Tongue
- English
- Weight
- 776 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0021-8995
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๐ SIMILAR VOLUMES
The effect of prepolymer crystallinity on the solid-state polymerization (SSP) of poly(bisphenol A carbonate) was examined using nitrogen as a sweep fluid. A low-molecular-weight prepolymer was synthesized by melt transesterification and prepolymers with different crystallinities (11.7%, 23.3%, 33.7
The use of m-ethynylphenol (m-EP) and p-t-butylphenol (PTBP) as coterminators for bisphenol A polycarbonates (BA PCs) provided long-chain-branched PCs, partially crosslinked PCs, or both after the thermal reaction of the terminal m-EP groups, depending on the molar ratio of the chain terminators. Li