Adhesion promoters are compounds added to polymer formulations to enhance the adhesion between different materials or between the polymer and a substrate. Here are some commonly used adhesion promoters in polymers

Benefits of Adhesion Promoters

Improved Bond StrengthCompatibility Enhancement
Surface ActivationPrevention of Delamination
Corrosion ProtectionEnhanced Performance
ProcessabilityCost Reduction

Silane Coupling Agents

γ-methacryloxypropyltrimethoxysilane (MPS)

γ-glycidoxypropyltrimethoxysilane (GPS)

Titanate Coupling Agents

isopropyl triisostearoyl titanate

tetra-n-butyl titanate

Zirconate Coupling Agents

ethyl zirconate

glycidoxypropyltrimethoxysilane zirconate

Epoxysilane Coupling Agents

γ-glycidoxypropyltrimethoxysilane (GPS)

Maleic Anhydride Modifiers

maleic anhydride-grafted polyolefins

Polyfunctional Isocyanates

hexamethylene diisocyanate (HDI)

toluene diisocyanate (TDI)

Acrylic Acid Derivatives

acrylic acid esters

methacrylic acid esters

Chlorinated Polyolefins

chlorinated polyethylene (CPE)

chlorinated polypropylene (CPP)