Abstract
Four kinds of water-soluble, nonionic azo compounds were studied in terms of their decomposition rate and initiator efficiency in radical polymerization, and then used for emulsion polymerization. They had relatively low initiator efficiency from 0.09 to 0.46. It was attributed to the susceptibility to a cage effect, depending on their molecular size and hydrophobicity. Four azo compounds initiated emulsion polymerization but nonionic latex particles were not obtained unexpectedly. Methanol-containing medium results in the formation of a bimodal particle size distribution as well as a bimodal molecular weight distribution.
| Original language | English |
|---|---|
| Pages (from-to) | 1237-1243 |
| Number of pages | 7 |
| Journal | Journal of Polymer Science, Part A: Polymer Chemistry |
| Volume | 34 |
| Issue number | 7 |
| DOIs | |
| Publication status | Published - 1996 May |
Keywords
- Azo compound
- Cage effect
- Emulsion polymerization
- Initiator efficiency
- Water-soluble nonionic initiator
ASJC Scopus subject areas
- Polymers and Plastics
- Organic Chemistry
- Materials Chemistry
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