[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
Long-term exposure to elevated temperatures may result in oxidation causing darkening and decreased solubility.
Physical and Chemical Properties
- Insoluble in water
- Softening point = 94-102 C
- Acid number = 7-16
Resources and Citations
- Hercules: Product Data Sheet