Page 42 - Carrahers_Polymer_Chemistry,_Eighth_Edition

Introduction to Polymers 5

TABLE 1.1 (continued)
Chronological Developments of Commercial Polymers (upto 1991)
1929 Polysulfide synthetic elastomer (Thiokol; Patrick)

1929 Urea-formaldehyde resins
1930 Polyethylene (Friedrich/Marvel)
1931 Poly(methyl methacrylate) (PMMA) plastics
1931 Polychloroprene elastomer (Neoprene; Carothers)
1934 Epoxy resins (Schlack)
1935 Ethylcellulose
1936 Poly(vinyl acetate)
1936 Poly(vinyl butyral) (safety glass)
1937 Polystyrene
1937 Styrene–butadiene (Buna-S) and styrene–acrylonitrile (Buna-N) copolymer elastomers
1939 Melamine-formaldehyde resins
1939 Nylon 6 (Schlack)
1939 Nitrile rubber (NR)
1940 Isobutylene-isoprene elastomer (butyl rubber; Sparks and Thomas)
1941 Low-density polyethylene (LDPE)
1941 Poly(ethylene terephthalate) (PET)
1942 Butyl rubber
1942 Unsaturated polyesters (Ellis and Rust)
1943 Fluorocarbon resins (Tefl on; Plunket)
1943 Silicones
1945 SBR
1946 Polysulfide rubber (Thiokol)

1948 Copolymers of acrylonitrile, butadiene, and styrene (ABS)
1949 Cyanoacrylate (Goodrich)

1950 Polyester fi bers (Winfield and Dickson)
1950 Polyacrylonitrile fi bers
1952 Block copolymers
1953 High-impact polystyrene (HIPS)

1953 Polycarbonates (Whinfield & Dickson)
1956 Poly(phenylene ether); Poly(phenylene oxide) (GE)
1957 High-density polyethylene (HDPE)
1957 Polypropylene
1957 Polycarbonate
1958 Poly(dihydroxymethylcyclohexyl terephthate) (Kodel, Eastman Kodak)
1960 Ethylene–propylene copolymer elastomers
1961 Aromatic nylons (Aramids, Nomex, Dupont)
1962 Polyimide resins
1964 Poly(phenylene oxide)
1964 Ionomers
1965 Polysulfone
1965 Styrene–butadiene block copolymers
1966 Liquid crystals
1970 Poly(butylene terephthate)
1974 Polyacetylene
1982 Polyetherimide (GE)
1991 Carbon nanotubes (Iijima; NEC Lab)

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