Page 94 - Handbook of Adhesion Promoters
P. 94
5.10 Polymers and plastics 87
Neutral silane catalyzed for oxane formation 36
99 parts silane (vinyl, chloropropyl, epoxy, methacrylate, mercapto,
cycloaliphatic epoxide)
1 part benzyldimethylamine
900 parts alcohol
Primer prepared with methacrylate silane is recommended for elastomeric systems con-
taining polymerizable plasticizers
36
Peroxide activated
98 parts silane (vinyl, methacrylate, or cationic styryl)
2 parts dicumyl peroxide
dilution in alcohol
36
Silane-modified epoxy
7.2 parts liquid diglycidyl ether resin
2.8 parts diamine silane
45 parts ethylene glycol monomethyl ether
45 parts ethylene glycol monoethyl ether acetate
Recommended for metals, ceramics, engineering plastics, epoxies, phenolics, and poly-
urethanes
36
Silane-modified melamine resin
90 parts hexamethoxymethyl melamine (Cymel 303)
10 parts silane (epoxy)
300 parts methanol
Recommended for: polyurethanes and engineering thermoplastics
36
Silanes with plasticizers and tackifiers
100 parts tackifying resin (e.g., Piccofyn 100, Hercules)
2 parts silane (diamine)
300 parts toluene
Recommended for: thermoplastic elastomers
37
Dual cure (UV-thermal) primer for sheet molding compounds
47 parts resin (e.g., pentaerythritol ethoxylate triacrylate, aliphatic urethane
triacrylate, etc.)
47 parts reactive diluent (acrylates, e.g., ethoxylated trimethylolpropane
triacrylate, bornyl acrylate, 1,6-hexanediol acrylate, etc.)
5 parts photoinitiator (2,2-dimethoxy-2-phenylacetophenone, Irgacure 651)
0.5 parts flow additive (Byk 333)
0.5 parts flow additive (Byk 361N)
11 parts xylene
11 parts butyl acetate