Alexei Volkov
The history of food packaging has evolved significantly, from the use of natural materials such as gourds and leaves to the modern-day convenience of plastic containers. Plastic food packaging has become ubiquitous, offering benefits such as extended shelf life, improved food safety, and convenience for consumers. The development of see-through plastic food containers can be traced back to the invention of cellophane in 1908, which revolutionized grocery shopping by allowing customers to inspect products before purchase. This was followed by the discovery of vinyl chloride in 1835, which contributed to the advancement of plastic packaging. The 1930s and 1940s marked a significant era with the introduction of Saran™ in 1933 and the creation of Tupperware by Earl Silas Tupper in 1946. Today, the food packaging industry continues to innovate and address environmental concerns, with a growing focus on sustainability and the reduction of plastic waste.
| Characteristics | Values |
|---|---|
| Date of Invention | Cellophane was invented in 1908, PVC was first synthesized in 1872, and plastic food containers were invented in the 1940s |
| Materials Replaced | Metal cans, paper bags, gourds, leaves, barks, animal skin, and organs |
| Benefits | Convenience, portability, food safety, accessibility, and freshness |
| Environmental Impact | Plastic waste is a significant contributor to global pollution, with single-use containers making up a large portion of this waste |
| Sustainable Alternatives | Bamboo, wood, paper, bioresins, bioplastics, natural starches, recycled fibers, water, air, and natural minerals |
| Recent Innovations | Bagged salad packaging (1996), flexible plastic tubes for yogurt (2000), Heinz Dip & Squeeze ketchup packaging (2010) |
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What You'll Learn
Plastic food packaging history
The history of food packaging has evolved significantly over the course of human history, from the use of natural materials such as gourds, leaves, barks, and animal skin to the modern-day plastic packaging that we see today.
The quest for food packaging has always been driven by the need to keep food accessible, portable, fresh, and safe for consumption. In the past, people consumed food where it was found, and natural materials were used for containers when needed. Later, containers made from hollowed logs, woven grasses, and animal organs were used.
With the advent of modern food packaging, metal cans, and paper bags became popular. The first cans were soldered by hand, leaving a hole that was later patched. In 1868, interior enamels for cans were developed, and by 1888, double seam closures with sealing compounds were introduced. The paper plate was invented in 1867, and by the 1930s, disposable paper cups, plates, and bowls became widely used.
Plastic food packaging has revolutionized the industry, offering convenience, affordability, and the ability to keep food fresh for longer. Cellophane, invented in 1908, allowed consumers to see the products before purchase. PVC, synthesized in 1872, was further developed for food packaging and is still popular today due to its lack of impact on food and drink taste.
In the 1940s, plastic and polystyrene foam food packaging was developed, providing insulation and weight reduction, as well as the ability to be moulded into various shapes and sizes. Earl Silas Tupper created the well-known Tupperware in 1946, and it quickly gained popularity through housewives who used Tupperware sales as a source of income. Other notable plastic packaging inventions include the zipper-seal bag in 1954, the PETE container in the 1970s, and flexible plastic tubes for yogurt in 2000.
Today, plastic packaging is widely used across various sectors, including commercial, retail, household, tourism, and agriculture. It is favoured for its convenience, low cost, and ability to prolong shelf life. However, there is also a growing trend towards sustainability, with manufacturers developing alternatives to traditional plastic products, such as bamboo and wood, to reduce environmental waste.
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Plastic packaging alternatives
Plastic packaging has been a staple in the food industry for decades due to its convenience, affordability, and customizability. However, the environmental impact of single-use plastics has led to a growing movement to reduce, replace, or eliminate plastic packaging. Here are some alternatives to plastic packaging that are gaining traction:
Paper and Paperboard
Paper has been a traditional packaging material for centuries and continues to be widely used today. It is versatile, affordable, and biodegradable. Paper packaging includes paper bags, cups, plates, bowls, napkins, carryout bags, trays, egg cartons, and more. Paperboard, a thicker and more durable form of paper, is also used for packaging. It is recyclable and provides good moisture resistance, making it suitable for produce trays, totes, and carriers.
Glass
Glass containers, such as jars and bottles, offer extended shelf life and sustainability benefits. Glass can be reused or recycled, reducing waste. It is commonly used for packaging beverages, sauces, and other food items.
Metal
Metal packaging, including aluminum foil, wraps, bags, containers, and trays, is experiencing a resurgence. Metal is expected to see a growth rate of almost four percent in the next few years. Metal packaging provides durability and can be recycled.
Bamboo and Wood
Bamboo and wood, particularly birch, are being used to create disposable plates, cutlery, and other foodservice items. These natural materials offer a more sustainable alternative to plastic, as they decompose within a few months and have fewer environmental repercussions throughout their life cycle. However, bamboo and wood products are currently more expensive and not as readily available as plastic.
Biodegradable and Bio-sourced Plastics
Some companies are exploring biodegradable and bio-sourced plastics as alternatives. These plastics are made from materials that can be broken down by microorganisms, but they may require specific conditions to degrade effectively. Recycled plastics, made from recycled petroleum-based plastics, are also an option.
Algae-based Replacements
Algae-based compounds are being researched as potential replacements for plastic. Algae is easy and low-cost to farm and does not require land, making it a promising alternative. However, scaling up production and optimizing processes are necessary to make it a viable solution.
Other Natural Materials
Other natural materials, such as jute or cotton, are being used as replacements for single-use plastic bags. Additionally, some manufacturers are creating disposable foodservice products from a combination of natural starches, recycled fibers, water, air, and natural minerals. These composite products include cups, plates, bowls, cutlery, food containers, and trays.
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Plastic's environmental impact
Plastic food containers were invented in the 1940s, alongside other food packaging materials like polystyrene foam. See-through plastic food containers likely came about with the invention of cellophane in 1908, a thin transparent material that revolutionized the way consumers shop for food.
Plastics' Environmental Impact
Plastic pollution has become ubiquitous, raising concerns about potential harm to humans and nature. Plastic does not break down in the environment, and can take anywhere from 100 to 1,000 years to decompose, if at all. Once in the environment, plastic can fragment into microplastics, which are plastic particles ranging in size from five millimeters to one nanometer, and nanoplastics, which are smaller than one micrometer. These microplastics have been found in every ecosystem on the planet, from the Antarctic tundra to tropical coral reefs, and have made their way into the human body, with potential health consequences.
The production, use, and disposal of plastics have environmental and health effects at every stage of their life cycle. Plastic is derived from fossil fuels, and the extraction process releases toxins that can damage the skin, eyes, respiratory system, nervous system, and gastrointestinal system, as well as impair the liver, brain, and immune system. The production of plastic also contributes to climate change, with annual emissions in the EU of around 13.4 million tonnes of CO2, about 20% of the chemicals industry's emissions.
The durability of plastics means that discarded items remain in the environment for generations, polluting the land and sea, and contributing to climate change and air emissions. Plastic waste clogs landfills, leaches toxic components, and contaminates ecosystems and the food chain. In the marine environment, plastic puts species at risk of ingestion, suffocation, or entanglement. Over half of all plastic production has been manufactured since 2000, and global annual production is set to double by 2050. Only about 9% of all plastic ever produced has been recycled, with 12% incinerated.
To combat the environmental problems stemming from plastic waste, manufacturers have been developing more sustainable alternatives, such as plates and cutlery made from bamboo and wood, which have fewer environmental repercussions than traditional plastics. Biodegradable and compostable plastics are also being explored, as well as products made from natural starches, recycled fibers, water, air, and natural minerals. The EU has implemented a ban on certain single-use plastic products and has introduced taxes on single-use plastic manufacturers to reduce plastic litter and microplastics released into the environment.
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Plastic packaging evolution
The evolution of plastic packaging has come a long way since its inception in the 20th century, with plastic packaging products now essential to global commerce. Before the invention of plastic food wrappers and containers, humans used materials found in nature, such as hollow gourds, leaves, barks, shells, and animal skin and organs.
In ancient China, early innovators developed techniques using mulberry bark to store food, providing one of the earliest examples of flexible packaging. This method was designed to keep food safe over time, effectively laying the foundation for modern plastic packaging products. In the late 18th century, Napoleon Bonaparte, facing the challenge of feeding his army, offered a reward for innovative packaging solutions to preserve food. This sparked a wave of experimentation and creativity, which laid the groundwork for flexible packaging products.
In the 19th century, with the invention of metal cans and paper bags, there was a shift from natural materials to more durable and portable packaging solutions. The first commercial plastic, Bakelite, was invented in 1907, and in the 1920s and 30s, cellophane was made moisture-proof and popular for food packaging. In the 1940s, polythene was invented, and plastic and polystyrene foam foodservice packaging was developed, providing insulation and weight reduction, and a variety of shapes and sizes.
In the 1970s and 80s, plastic packaging really took off, with the development of PET bottles for carbonated drinks, plastic tubes for toothpaste and cosmetics, and the growth of convenience food packaging. Plastic packaging has continued to evolve, with zipper-seal bags, salad-in-a-bag, and oven-safe plastics. Today, there is a shift towards more sustainable and biodegradable plastic alternatives, with increasing consumer awareness of the environmental impact of plastic waste.
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Plastic packaging future
Plastic food packaging has come a long way since PVC, a type of plastic wrap, was first synthesized in 1872. Today, the future of plastic packaging is focused on sustainability, eco-friendliness, and reducing plastic waste.
The impact of plastics on the environment has become increasingly apparent, and companies are now exploring new methods of recycling and incorporating more recycled materials into their products. The shift towards a circular economy is driving change at the industry level, with a focus on minimizing waste, maximizing the value of materials, and reducing the demand for virgin resources.
One way to reduce plastic waste is by adopting post-consumer recycled (PCR) plastics. PCR plastics are becoming an essential part of sustainable packaging solutions, helping to reduce plastic production and conserve non-renewable resources like fossil fuels. Technological advancements have made it easier to incorporate recycled materials, and brands are now exploring biodegradable options and refillable packaging systems to minimize their environmental impact.
Another trend in plastic packaging is the development of eco-friendly alternatives to oil-based plastics. Bio-based drop-in plastics, made from renewable resources like plant-based feedstocks, can reduce our dependence on fossil fuels while offering the same performance characteristics as traditional plastics.
Additionally, companies are focusing on designing packaging solutions that are easy to recycle, using a single type of plastic or material, and incorporating easy-to-remove labels and closures. This reduces the potential for contaminating the recycle stream and enables increased PCR content in packaging.
The future of plastic packaging is also influenced by legislation and policies that drive industry-level change. For example, the EU Single-Use Plastics (SUP) Directive has set specific sustainability requirements for food packaging, and other regions have introduced bans or taxes on single-use plastic items.
Overall, the plastic packaging industry is evolving to meet the changing needs of consumers and address the environmental problems stemming from plastic waste. With innovative solutions and a focus on sustainability, the future of plastic packaging is moving towards a more eco-friendly and responsible direction.
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Frequently asked questions
See-through plastic food containers were invented in the 1930s and 1940s.
Before plastic food containers were invented, people used materials found in nature such as hollow gourds, leaves, barks, and animal skin and organs. Later, containers were made from natural materials like woven grasses and animal organs.
Plastic food containers are lightweight, durable, and can be moulded into various shapes and sizes. They also help keep food fresh for longer, prevent food waste, and provide consumers with a greater variety of food.
Plastic food containers have contributed significantly to global plastic waste. In recent years, manufacturers have been working on developing more sustainable alternatives to traditional plastic products.
Some examples of sustainable alternatives to plastic food containers include bamboo, wood, paper, bioresins, and natural starches.
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