Robert L. Banks (November 24, 1921 – January 3, 1989) was an American

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties. Chemists carefully describe th ...

. He was born and grew up in

Piedmont, Missouri Piedmont is a city in northwestern Wayne County in Southeast Missouri, United States. Its population was 1,897 at the 2020 census. Part of the Ozark Foothills Region, it is at the convergence of State Highways 34 and 49. Piedmont, transliterate ...

. He attended the University of Missouri - Rolla, and initiated into

Alpha Phi Omega Alpha Phi Omega (), commonly known as APO, but also A-Phi-O and A-Phi-Q, is a coeducational service fraternity. It is the largest collegiate fraternity in the United States, with chapters at over 350 campuses, an active membership of over 25,0 ...

in 1940. He joined the

Phillips Petroleum Phillips Petroleum Company was an American oil company incorporated in 1917 that expanded into petroleum refining, marketing and transportation, natural gas gathering and the chemicals sectors. It was Phillips Petroleum that first found oil in the ...

company in 1946 and worked there until he retired in 1985. He died in

Missouri Missouri is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it is bordered by eight states (tied for the most with Tennessee ...

on January 3, 1989.

Technical contributions

He was a fellow research chemist of J. Paul Hogan. They began working together in 1946, and in 1951 invented "crystalline

polypropylene Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. It is produced via chain-growth polymerization from the monomer propylene. Polypropylene belongs to the group of polyolefins and ...

" and

high-density polyethylene High-density polyethylene (HDPE) or polyethylene high-density (PEHD) is a thermoplastic polymer produced from the monomer ethylene. It is sometimes called "alkathene" or "polythene" when used for HDPE pipes. With a high strength-to-density ratio, ...

(HDPE). These

plastic Plastics are a wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be moulded, extruded or pressed into solid objects of various shapes. This adaptab ...

s were initially known by the name

Marlex Marlex is a trademarked name for crystalline polypropylene and high-density polyethylene (HDPE). These plastics were invented by J. Paul Hogan and Robert Banks, two research chemists at the Phillips Petroleum Company. Interest in the material i ...

. The polymerization of ethylene was made possible by their discovery of the so-called

Phillips catalyst The Phillips catalyst, or the Phillips supported chromium catalyst, is the catalyst used to produce approximately half of the world's polyethylene. A heterogeneous catalyst, it consists of a chromium oxide supported on silica gel. Polyethylene, ...

Recognition

In 1987, Banks and Hogan won the

Perkin Medal The Perkin Medal is an award given annually by the Society of Chemical Industry (American Section) to a scientist residing in America for an "innovation in applied chemistry resulting in outstanding commercial development." It is considered the ...

, and in 2001 they were inducted into the

National Inventors Hall of Fame The National Inventors Hall of Fame (NIHF) is an American not-for-profit organization, founded in 1973, which recognizes individual engineers and inventors who hold a U.S. patent of significant technology. Besides the Hall of Fame, it also opera ...

. Both were given a '' Heroes of Chemistry'' award by the

American Chemical Society The American Chemical Society (ACS) is a scientific society based in the United States that supports scientific inquiry in the field of chemistry. Founded in 1876 at New York University, the ACS currently has more than 155,000 members at all d ...

in 1989. Dr. Banks was inducted into the

Plastics Hall of Fame Plastics are a wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be moulded, extruded or pressed into solid objects of various shapes. This adaptab ...

in 2014.

References

External links

Robert Banks biography at National Inventors Hall of Fame
1921 births 1989 deaths Polymer scientists and engineers Missouri University of Science and Technology alumni 20th-century American inventors Chemists from Missouri {{US-chemist-stub