Page 95 - Handbook of Adhesion Promoters

88 Typical Primer Formulations and Applications

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Primer film
28.64 wt% bisphenol A epoxy resin (Araldite GT7013)
1.29 wt% cyclohexylamine (Aradur 3261-1)
1.15 wt% carbon black (Raven Black 450)
0.43 wt% flow and leveling additive (Resiflow P67)
10.88 wt% calcium carbonate (Omya BLR3)
10.01 wt% polyester polyol (Setal 26-9079)
21.27 wt% solvent (toluene)
5.06 wt% solvent (MAK)
21.27 wt% solvent (MEK)

39
Waterborne primer for polypropylene substrates
29 wt% Eastman CP dispersion (CP 310W)
5 wt% isobutyl alcohol
1 wt% Texanol ester alcohol
65 wt% water
40
Primer for bonding organic polymeric substrates
60 parts dried cyclohexanone
40 parts dried xylene
0.5 parts maleated styrene-ethylene/butylene-styrene triblock copolymer
(Kraton FG-1901X)
1.4 parts chlorinated propylene (CP 343-1)
2 parts 70% isophorone diisocyanate trimer solution in butyl acetate
(Vestanat T189E)

5.11 PRINTING
41
Primer for increased adhesion of liquid toner
53.7 wt% ethylene-acrylic copolymer dispersion (MP4990RE from Michelman)
23.3 wt% hydrocarbon rosin ester dispersion (Tacolyn 1100 from Eastman
Chemical Resins Inc.)
15.4 wt% isopropyl alcohol
7.6 wt% soft water

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Polyurethane primer for enhancing adhesion of liquid toner
65.7 wt% aliphatic polyurethane dispersion1 (Neorez 600)
4 wt% propylene glycol
4.28 wt% anionic polyethylene wax emulsion (Michem Emulsion 61335)
6 wt% anionic carnauba wax emulsion (Michem Lube 193)
0.3 wt% anionic high density polyethylene
1 wt% nonionic secondary alcohol
18.52 wt% water
0.2 wt% biocide