Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  N'afọ 1938, mgbe Carothers nwụsịrị, Flory kwagara na Basic Science Research Laboratory na Mahadum Cincinnati. N'ebe ahụ, o mepụtara usoro mgbakọ na mwepụ maka polymerization nke ogige nwere ihe karịrị ìgwè abụọ na-arụ ọrụ na usoro nke netwọk polymer ma ọ bụ gels. Nke a dugara na Flory-Stockmayer ozizi nke gelation, nke Ẹkot percolation na Bethe lattice na n'ezie na-anọchi anya akwụkwọ mbụ na percolation ubi.  Ajụjụ: Olee mgbe Carothers nwụrụ?
Afọ 1938