TMPTA

TMPTA is trimethylolpropane triacrylate, a trifunctional acrylate monomer. While its polymerization leads to a polyacrylate; it is generally used as a cross-linker instead. Its chemical formula is: CH3-CH2-C-(-CH2-O-CO-CH=CH2)3.

Related materials are TMPT(EO)A: CH3-CH2-C-(-CH2-O-CH2-CH2-O-CO-CH=CH2)3.

and GPTA: C-(-CH2-O-CH2-CHCH3-O-CO-CH=CH2)3