Page 89 - Handbook of Adhesion Promoters

82 Typical Primer Formulations and Applications

Component B (let-down stage)
1.9 wt% binding agent (polyester, Dynapol LH 820-16)
5.7 wt% epoxy resin (Epikote 1004 (50% in MPA))
1.4 wt% catalyst (Catalyst C 31)
5.7 wt% polyisocyanate (Vestanat hardener EP B 1481)
2.8 wt% levelling agent (Resiflow FL 2 (10% in Solvesso 150))
1.0 wt% catalyst (NAcure x 49-110 (5% in IPA))
2.4 wt% melamine resin (Cymel 202)
7.6 wt% solvent (Solvesso 150)

5.4 COSMETICS
18
UV curable nail varnish primer
85 wt% oligomer (tetrafunctional urethane acrylate, Ebecryl 8210)
5 wt% radical initiator (Irgacure 184)
10 wt% diluent (triethylol triacrylate)

19
Covalently bonding nail primer
0.75 to 2.5 wt% polyoxypropylenetriamine
1 to 5 wt% ethyl methacrylate
ethanol to 100%

20
Nail primer
50 wt% acrylic copolymer (Dermacryl AQF)
20 wt% ammonium acrylate copolymer (Vinysol 1086WP)
5 wt% styrene/acrylate copolymer (Joncryl 77)
3 wt% dipropylene glycol dibenzoate
1 wt% tributyl citrate
21 wt% water

21
Mascara primer composition
90 wt% water
2 wt% polyquaternium-69
2.74 wt% alcohol denaturated
q.s. excipients

5.5 DENTAL
22
Dentin primer Clearfil Protect Bond
5 wt% antibacterial monomer (12-methacryloyloxydodecylpyridinium
bromide) adhesion-promoting monomer (10-methacryloyloxydecyldi-
hydrogen phosphate) and 2-hydroethylmethacrylate
1 wt% cetylpyridinium chloride
94 wt% water