Table 1: The recipe for the poly (St/EHA), and poly (St/MMA/EHA) latexes.

Raw materials Weight %
Initial reactor charge Co-polymer (St/EHA) Ter-polymer (St/MMA/EHA)
De-ionized water 37.2 37.2
NP30 (non-ionic emulsifier) 0.4 0.4
Sodium acetate (pH stabilizer) 0.1 0.1
Monomer mixture (4 h feed)
Styrene 31.6 21.6
Methyl methacrylate ----- 10
2-Ethyl Hexyl Acrylate 18.4 18.4
Acrylic acid 2 2
Acrylamide 0.5 0.5
Desponil LDPS 25 2.5 2.5
Texapone 0.5 0.5
Initiator mixture (4 h feed)
KPS (initiator) 0.3 0.3
De-ionized water 6.5 6.5
Specifications
Solid content % 53 51.5
Gravimetric conversion % 97.5 96
Viscosity cp 26000 18000