Synonyms: BETA-C, 2-Carboxyethyl acrylate
Key differences compared to conventional carboxylic acid functional materials are:
- Promotes flexibility in polymers owing to lower glass transition of its homopolymers (< 30°C).
- Provides improved adhesion and stability in emulsion polymers, due to its -COOH groups being more available than those in the conventional carboxylic acids.
- Much more reactive in its salt form than acrylic acid, allowing high levels of incorporation, over a wide pH range.
- More compatible with other monomers, thus reducing aqueous phase polymerization and producing more uniform copolymers.
Physical Property Profile of Beta-Carboxyethyl Acrylate
Activity (%): >98%
Moisture (%): 0.70
Monomer (Acrylic Acid) (mol %): 18.0 ± 3.0
Dimer (BETA-C) (mol %): 30.0 ± 2.0
Trimer or higher (mol %): 52.0 ± 2.0