Sofia Martinez
The 1940s witnessed a significant shift in the world of plastics, with the development and introduction of numerous plastic products. This decade marked a pivotal period in the evolution of plastics, building upon the groundbreaking inventions of the preceding decades. The story of plastic began much earlier, with the first man-made plastic, Parkesine, patented in 1856 by Alexander Parkes, and the subsequent creation of fully synthetic plastics like Bakelite in 1907. However, it was during the 1940s that plastics truly began to permeate various aspects of daily life, shaping consumer habits and cultural trends.
| Characteristics | Values |
|---|---|
| Plastic production during World War II | Increased by 300% in the US |
| Plastic products during World War II | Parachutes, ropes, body armour, helmet liners, aircraft windows, hand grenades, tank components, plane cockpits, synthetic rubber tires, goggles, etc. |
| Post-WWII plastic products | Home decorations, furnishings, formica tables, vinyl-covered chairs, television casings, wall art, containers for shampoos and liquid soaps, Tupperware, etc. |
| Synthetic plastics invented in the 1940s | Polyethylene terephthalate (PET), "Super Glue" (methyl cyanoacrylate), polytetrafluoroethylene (PTFE), LDPE, Acrylonitrile-butadiene-styrene (ABS), Velcro, etc. |
| Synthetic plastics invented before the 1940s | Bakelite, celluloid, nylon, polyvinyl chloride (PVC), Parkesine, etc. |
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What You'll Learn
World War II and plastic production
Plastic production took off during World War II. When the world went to war in 1939, almost all production turned to creating materials, and there was a need for durable, lightweight, and inexpensive materials that could be manufactured quickly. The United States invested heavily in plastics, giving over a billion dollars to private companies. Many more refineries were built across the country to turn crude oil into plastic.
Traditional materials like steel and rubber were essential for the war effort, so plastics were needed to fill the gap in consumer goods. For example, rubber was needed to manufacture tires for vehicles and planes, so plastic combs replaced rubber combs. In 1941, the US Army mandated that all combs issued to servicemen be made of plastic. Plastic nylon stockings were another example, which replaced silk stockings, and the nylon was then used to make rope and parachutes during the war.
During the war, newly created expanded polystyrene was used for thermal insulation and shock absorption in vehicles, and polyvinyl chloride (PVC) was used to make canvas for tents, water-repellent coatings for uniforms, hand grenades, and even components for tanks and the atomic bomb. Plastic was also used in plane cockpits, synthetic rubber tires, goggles, and helmet liners.
After the war, there was a glut of materials used to make plastics, new manufacturing plants, and a booming economy. However, consumers did not yet rely on plastics, and there was not much demand. Manufacturers worked with women's magazines to promote plastic home goods. Tupperware, for example, was promoted as a product that discriminating buyers would desire and be proud to display in their homes. Plastic goods became sought-after for home decorations and furnishings. The industry experienced over 15% growth between 1946 and 1960, and by 1960, plastic had surpassed aluminum in production.
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Plastic manufacturing and marketing
One notable advancement during this period was the discovery of polyethylene, which occurred when chemical engineers Eric Fawcett and Reginald Gibson were experimenting with ethylene. This versatile plastic had a wide range of applications and contributed to the growing prevalence of plastic in everyday life. Polyethylene terephthalate (PET), another significant plastic, was also developed in the 1940s, leading to a boom in polyester clothing and liquid-suitable containers.
The outbreak of World War II further accelerated plastic production in the United States, as synthetic materials were increasingly relied upon to address the scarcity of natural resources. Nylon, invented before the war in 1935, found essential uses during the war, including in parachutes, ropes, body armour, and helmet liners. The adaptability of plastics was highlighted during this period, as they were turned to new uses to support the war effort.
The post-war period saw a continued surge in plastic production, fuelled by increased consumer spending. Plastic goods became sought-after for home decorations, furnishings, and appliances. Manufacturers collaborated with women's magazines to promote plastic home goods, and companies like Tupperware, which hit the market in 1948, became leading symbols of suburban domesticity. The plastic industry experienced significant growth between 1946 and 1960, surpassing aluminium in production by 1960.
The 1940s also witnessed several other notable advancements in plastic manufacturing and marketing. The first polyester fibre, called Terylene, was created, introducing the concept of 'drip dry' and 'non-iron' clothing. Additionally, the production of LDPE plastic bottles by Monsanto led to a rapid expansion of the industry, as containers replaced glass bottles for shampoos and liquid soaps. Overall, the 1940s played a pivotal role in the increasing prevalence of plastics, setting the stage for their ubiquitous presence in the decades that followed.
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Plastic's history and future
The history of plastic can be divided into four distinct chapters. Humans have been creating what can be considered precursors to plastics by tinkering with natural materials since ancient times. Natural rubber from Mexico and Central America, for instance, was used to make balls and toys over 3000 years ago. The first patent for a man-made plastic was granted to Alexander Parkes in 1856, who created Parkesine, a material made from cellulose treated with nitric acid. This material could be moulded, shaped, and coloured, and was used for buttons, combs, and handles. John Wesley Hyatt improved upon this invention by adding camphor, creating celluloid, a semi-synthetic material that could be crafted into a variety of shapes and was used for everything from piano keys to clothing.
At the turn of the 20th century, Belgian chemist Leo Baekeland invented Bakelite, the first fully synthetic plastic, which could be moulded into various shapes and was resistant to electricity and heat. This marked the start of the world's obsession with plastic. The creation of Bakelite and its 100% synthetic components opened the door for the creation of new polymers, including polystyrene, polyvinyl chloride (PVC), polyethylene, and nylon. Nylon, invented in 1935, transformed the clothing industry by offering an affordable alternative to costly silk garments. Polyethylene, the world's most common type of plastic, was accidentally discovered in the 1930s by chemical engineers Eric Fawcett and Reginald Gibson.
During World War II, the plastics industry experienced a boom as synthetic materials became essential for military applications. Nylon, for instance, was used for parachutes, ropes, and body armour, while PVC was used for canvas, water-repellent coatings, and even hand grenades. After the war, plastic production continued to surge as Americans began to spend again, and plastic goods became sought-after for home decorations and furnishings. From the 1960s onwards, plastic replaced virtually every material on the market and became an integral part of everyday life.
Looking to the future, the plastic industry is at a crossroads. While plastics have brought numerous benefits, they have also become an environmental problem. The key challenge for the industry lies in finding sustainable solutions to reduce the environmental impact of plastic waste, such as through the development of biodegradable plastics or improved recycling technologies.
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Synthetic polymers and their uses
Plastic is a broad term that describes a range of materials containing synthetic polymers in their makeup. Synthetic polymers are typically derived from petroleum oil in a controlled environment. They are made up of carbon-carbon bonds as their backbone. Synthetic polymers are used in millions of everyday applications, including in the home and commercially.
Some familiar synthetic polymers include nylon, which is used in textiles and fabrics, and Bakelite, which is used for electrical switches. Polyvinyl chloride (PVC) is used in pipes, and polythene is used in plastic kits and covers. Tires are manufactured from polybutadienes, and synthetic rubber tires were used in World War II planes. Polyethylene, which was discovered in the 1930s, is now the world's most common type of plastic. Polyethylene terephthalate (PET) was first developed in the 1940s, leading to a boom in polyester clothing and liquid-suitable containers.
Other synthetic polymers include polyphosphazenes, which are composed of phosphate atoms attached to carbon or oxygen. These polymers have a high molecular weight and are artificially flexible and adaptable. PMMA is a biocompatible polyester used in the manufacture of dentures, the implantation of intraocular lenses, and as carriers of antibiotics. PEG, or polyethylene glycol, is a nontoxic synthetic polymer used in drug delivery systems.
Synthetic polymers are also used in surface coating applications due to their long chain length or high molecular weight. They can form irreversible bonds with surfaces, making them useful for antiviral purposes. Synthetic polymers can be engineered to maximize antiviral activity against specific viruses. Synthetic polymeric scaffolds are excellent candidates for cardiac patch tissue engineering because they are easily tailored and fabricated to fit the particular needs of native tissues.
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Plastic's versatility and limitations
Plastic is a broad term that describes a range of materials containing synthetic polymers. The first fully synthetic plastic, Bakelite, was invented in 1907 by Belgian chemist Leo Baekeland. However, the wide use of plastics began in the 1940s with the invention of polyethylene, nylon, and polystyrene.
Plastic's Versatility
Plastics are versatile and adaptable, with a wide range of applications in modern engineering design. They have a high strength-to-weight ratio, stiffness, ductility, corrosion resistance, and outstanding durability. They can be used at a very wide range of temperatures and are chemical- and light-resistant. Their versatility has led to their widespread adoption across various industries, including aerospace and automotive.
Plastics can be easily joined using welding, adhesive bonding, and mechanical fastening methods. The advent of 3D printing has further revolutionized the way engineers design and manufacture plastic products, allowing for rapid prototyping and complex geometries.
Plastic's Limitations
One of the major limitations of plastics is their negative environmental impact. They contribute to global pollution and only about 9% of the world's plastic has been recycled. Additionally, there is a constant challenge to reduce the volume of plastic clogging the oceans and other water bodies.
Another limitation is that while plastics are strong, they are not as strong as some other materials, and their strength can be further reduced by making them lighter.
Plastics revolutionized the way engineers approach design challenges with their versatility and adaptability. However, their limitations, particularly their environmental impact, have led to a growing awareness of the need for biodegradable plastics and recycling.
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Frequently asked questions
The first man-made plastic, Parkesine, was patented in 1856. However, it wasn't until the 1900s that Belgian chemist Leo Baekeland invented Bakelite, the first fully synthetic plastic.
Plastic is a broad term for a category of materials called polymers, which contain synthetic polymers in their makeup.
Polyethylene, accidentally discovered in the 1930s, is the world's most common type of plastic.
In the 1940s, polyethylene was used in radar. Polyethylene terephthalate (PET) was also developed in the 1940s, leading to a boom in polyester clothing and liquid-suitable containers. Nylon, invented in 1935, was used during World War II for parachutes, ropes, body armour, helmet liners, and more.
In the 1940s, "Super Glue" (methyl cyanoacrylate) was first discovered by Dr Harry Coover, and the first pilot plant for polytetrafluoroethylene (marketed as Teflon) was created. Additionally, the production of LDPE bottles caused a rapid expansion of the plastics industry, as containers replaced glass bottles for shampoos and liquid soaps.
