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Plastic bottles were first used commercially in 1947, but remained relatively expensive until the early 1950s when high-density polyethylene was introduced. [5] They quickly became popular with both manufacturers and customers because compared to glass bottles , plastic bottles are lighter, cheaper and easier to transport.
Hence 1 L ≡ 0.001 m 3 ≡ 1000 cm 3; and 1 m 3 (i.e. a cubic metre, which is the SI unit for volume) is exactly 1000 L. From 1901 to 1964, the litre was defined as the volume of one kilogram of pure water at maximum density (+3.98 °C) [ citation needed ] and standard pressure .
PepsiCo introduced the first two-liter sized soft drink bottle in 1970. [1] Motivated by market research conducted by new marketing vice president John Sculley (who would later be known for heading Apple Inc. from 1983 to 1993), [2] the bottle and the method of its production were designed by a team led by Nathaniel Wyeth of DuPont, who received the patent in 1973. [3]
Microplastics are fragments of plastic less than 5 mm (0.20 in) in length, according to the U.S. National Oceanic and Atmospheric Administration (NOAA) [61] [62] and the European Chemicals Agency. [63] US EPA researchers define microplastics as plastic particles ranging in size from 1 nanometer up to 5 mm, which is 5 million nanometers. For ...
A year later, it received US$1.1 billion in a new round of investment, led by Chinese e-commerce giant Alibaba Group. [16] In 2018, an additional US$1.1 billion was injected into the company, in a round led by existing investors Alibaba and SoftBank, raising the company's valuation to approximately US$7 billion.