DMAA 80 LC is a low-color version of DMAA commonly used as a copromoter to produce unsaturated polyester resins for color-sensitive coatings.
DMAA 80 LC is a low-color grade of N,N-Dimethylacetoacetamide (CAS number 2044-64-6) in water. DMAA is widely used as a copromoter to improve the cure time of unsaturated polyester resins for industrial coatings and adhesives. DMAA is particularly effective in resin formulations with PG, NPG, or TMPD. DMAA 80 LC has a lower color specification for color-sensitive applications, such as gel coats.
Appearance: Liquid
Color: Colorless to yellow, <180 (APHA)
Assay (calculated): 79.0–83.0%
Amine, free (titr.): <0.05% (w/w)
Primary Chemistry: N,N-Dimethylacetoacetamide
Low color
Lowers Tg
Lowers viscosity of resin
Faster polyester resin cure time
Yellowing resin
High Tg
High resin viscosity
Slow cure time
Polymers
Industrial coatings
Architectural coatings
Gel coats
Agrichemicals
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