To prepare self-emulsificable urethane acrylate resin, PEG-modified urethane acrylates (PMUA), containing polyoxyethylene chains as a terminal hydrophilic group and urethane acrylate anionomers (UAA) incorporated dimethylolpropionic acid (DMPA) as a pendant hydrophilic one were synthesized. For PMUA
Preparation of PEG-modified urethane acrylate emulsion and its emulsion polymerization
β Scribed by J. -Y. Kim; K. -D. Suh
- Publisher
- Springer
- Year
- 1996
- Weight
- 732 KB
- Volume
- 274
- Category
- Article
- ISSN
- 0340-255X
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To prepare self-emulsifiable urethane acrylate, poly(ethylene glycol)-modified urethane acrylates (PMUA), containing polyoxyethylene chains as a terminal group were synthesized by the reaction of a residual isocyanate group with poly(ethylene glycol) (PEG). Five types of PMUA were synthesized using
## Abstract Isobornyl acrylate, a highly hydrophobic monomer, was batchβpolymerized in both emulsion and miniemulsion recipes. Surfactant levels above and below the critical micelle concentration were used, as were two different initiator types: ionic (potassium persulfate) and nonionic (__t__βbuty