| Year | Event | Reference | 
|---|
| 1907 |  Bakelite, the first fully synthetic thermoset, is reported by Leo Baekeland using phenol and formaldehyde. |  | 
| 1912 | After over 10 years' research, Jacques E. Brandenberger develops a method for producing cellophane and secures a patent. |  [9]  | 
| 1926 |  Waldo Semon and the B.F. Goodrich Company develops a method to plasticize PVC by blending it with various additives. |  | 
| 1930 |  Neoprene is produced for the first time at DuPont. |  [6]  | 
| 1930s |  Polystyrene is first produced by BASF. |  [1]  | 
| 1931 |  RCA Victor introduces its vinyl-based Victrolac compound for records. Vinyl records have twice the groove density of shellac records with good sound quality. |  | 
| 1933 | The first industrially practical polyethylene synthesis is discovered by Eric Fawcett and Reginald Gibson at the Imperial Chemical Industries (ICI) works in Northwich, England. |  [10]  | 
| 1935 |  Nylon is invented and patented by DuPont. |  [6]  | 
| 1938 | Nylon is first used for bristles in toothbrushes. It features at the 1939 World's Fair and is famously used in stockings in 1940. |  | 
| 1938 |  Polytetrafluoroethylene (commonly known as teflon), discovered by Roy Plunkett at DuPont. |  | 
| 1941 |  Polyethylene terephthalate (PET) is discovered at the Calico Printers' Association in Britain. Expanded polystyrene is first produced. [6]  |  | 
| 1950 |  DuPont begin the manufacture of polyester. |  | 
| 1951 |  J. Paul Hogan and Robert L. Banks from Phillips polymerize propylene for the first time to produce polypropylene. |  | 
| 1953 |  Polycarbonate is independently developed by Hermann Schnell at Bayer and Daniel Fox at General Electric. |  | 
| 1954 |  Polypropylene is discovered by Giulio Natta with production starting in 1957 |  [1]  | 
| 1954 | Expanded polystyrene, used for building insulation, packaging, and cups, is invented by Dow Chemical. |  [1]  | 
| 1957 | The Italian firm Montecatini begins large-scale commercial production of isotactic polypropylene. |  | 
| 1960s | High-density polyethylene bottles are introduced; they will replace glass bottles in most applications. |  [11]  | 
| 1965 |  Kevlar is developed at DuPont by Stephanie Kwolek  |  | 
| 1980s |  Polyester film stock replaces cellulose acetate for photographic film and computer tapes. |  | 
| 1988 | The first polymer bank notes are issued in Australia |  | 
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