Epoxy resin may be reacted with itself in the presence of an anionic catalyst (a Lewis base such as tertiary amines or imidazoles) or a cationic catalyst (a Lewis acid such as a boron trifluoride complex) to form a cured network. This process is known as catalytic homopolymerisation.
A gorilla's lifespan is normally between 35 and 40 years, although zoo gorillas may live for 50 years or more. Colo, a female western gorilla at the Columbus Zoo and Aquarium was the oldest known gorilla, at 60 years of age when she died on January 17, 2017.
Size. 1  The gorilla is the largest of all primates. 2  Western lowland adult male gorillas (Gorilla gorilla gorilla) are about 1.7 m (66.9 in) in body length and weigh about 169.5 kg (374 lb). Adult females are about 1.5 m (59.1 in) in body length and weigh about 71.5 kg (158 lb).