Anionic polymerization of azo substituted methacrylates
Conference
·
OSTI ID:141642
- Univ. of Southern California, Los Angeles, CA (United States)
The anionic polymerization of 4-phenylazophenyl methacrylate (PAM) and 6-(4-phenylazophenoxy)-hexyl methacrylate (PAHM) initiated by {open_quotes}living{close_quotes} PMMA with lithium counterion was studied in THF at {minus}78{degrees}C. The polymerization of PAM was prevented by a side termination reaction. The polymerization of PAHM proceeded smoothly to furnish PMMA/azopolymer block copolymers. The process showed features typical of {open_quotes}living{close_quotes} anionic polymerization. No phase transitions could be detected by DSC to prove liquid crystalline mesophase formation by the block copolymers.
- OSTI ID:
- 141642
- Report Number(s):
- CONF-930304--
- Country of Publication:
- United States
- Language:
- English
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