Rosin Pentaerythritol Ester, also called Pentaerythritol Ester Rosin, is the product of esterification of rosin with pentaerythrite. Rosin Pentaerythritol Ester can be soluble in tar, esters and turpentine oil, partially soluble in petroleum products. But it is insoluble in alcoholic solvents. The surface energy of PERE is quite low which is the factor in making it useful as a tackifier in some adhesives. PERE mainly used as a tackifier in hot melt adhesives, solvent borne adhesive, building and construction adhesives and etc.
Pentaerythritol Rosin Ester is a light-colored pentaerythritol rosin ester of stabilized gum rosin by hydrogenation. It is used as a tackifier in adhesives industry. It provides excellent heat and aging stability, improved resistance to oxidation, polymer compatibility, good skinning resistance and better retention of color.Rosin Pentaerythritol Ester is widely used in printing ink, adhesive, coating industry, etc. From the point of market, products of the lighter color, the higher the softening point, the higher the price of the product.
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