Tackifying resin refers to a small molecule compound that can increase the viscosity of rubber materials, especially the surface viscosity. Usually, the relative molecular mass of these small molecules is between several hundred and ten thousand, and they have a high glass transition temperature. According to their sources and synthetic routes, they can be mainly divided into two categories: natural products and their derivatives and synthetic resins. Tackifying resin is mainly used for polymer modification. It is widely used in adhesives, coatings, inks, as well as rubber compounds, asphalt modifiers and polyolefin modifiers.
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