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
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