[Hercules] A brand name for a synthetic thermoplastic resin used as a tackifying agent in elastomeric adhesives. Pentalyn® H is a stabilized penta resin composed of pentaerythritol ester of wood rosin. The hydrogenation stabilization process increases its resistance to oxidation, discoloration, and adhesion loss. Pentalyn® H is a tackifying agent in natural rubber, neoprene, and SBR formulations for use as pressure sensitive and hot-melt adhesives.
Synonyms and Related Terms
Insoluble in water; Softening point = 94-102 C ; Acid number = 7-16
Hazards and Safety
Long-term exposure to elevated temperatures may result in oxidation causing darkening and decreased solubility.
Hercules: Product Data Sheet