This section provides an overview for biodegradable film as well as their applications and principles. Also, please take a look at the list of 10 biodegradable film manufacturers and their company rankings. Here are the top-ranked biodegradable film companies as of May, 2024: 1.Plascon Group, 2.Hubei HYF Packaging Co., Ltd., 3.Magical Film Enterprise Co., Ltd.
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A biodegradable film is a type of plastic that is ultimately decomposed to the molecular level by the action of microorganisms, resulting in water and carbon dioxide.
In general, plastics are synthetic polymers derived from petroleum, which are difficult to decompose in the natural world.
Therefore, conventional plastics that are buried in the soil or dumped into the ocean remain for a long time without returning to nature. This is becoming a serious environmental problem.
Biodegradable film, on the other hand, is decomposed by microorganisms that exist in the natural world. It is attracting attention as a plastic that can be recycled as a resource.
Biodegradable films are mainly used for agricultural and civil engineering materials, food waste collection bags, and food container packaging. Some examples are shown below:
Biodegradable film is used in agricultural mulch sheets. Agricultural mulch sheets are used to cover field beds and are effective in regulating soil temperature, retaining moisture, and controlling weeds and diseases. The use of biodegradable film in agricultural mulch sheets can greatly reduce the labor required to collect and dispose of used mulch sheets.
Biodegradable film is also attracting attention as an alternative to food waste collection bags. If biodegradable film is used as food waste collection bags and processed directly in composting and methane gas fermentation facilities, food waste can be recycled without waste.
Marking tape is mainly used to mark trees in mountain forests. Commonly known as "red tape," it is used for hazard avoidance, course signage, landmarking, and patrol purposes. The use of biodegradable film eliminates the need to remove it and does not affect the trees.
Vegetable broadcast film is used to protect the quality of vegetables. This form of packaging is essential for the sale and transportation of vegetables and consumes a lot of plastic. By incorporating biodegradable film as an alternative to existing plastics, you can conduct your business in an environmentally friendly and ecological manner.
The raw materials for biodegradable film can be broadly classified into petroleum-derived biodegradable plastics and plant-derived biodegradable plastics. Polyvinyl alcohol (PVA) is the most common petroleum-derived material, while polylactic acid (PLA) is the most common plant-derived material.
Although biodegradable film is considered to have a low environmental impact, it is not necessary to replace all plastic products with biodegradable film. The priority of replacement is considered based on whether biodegradability is necessary for plastic products that have an environmental impact.
The criteria used to determine this are whether the product is durable or non-durable and whether there is sufficient recovery of the product. High priority is given to non-durable materials that have not been recovered to a great extent.
Typical examples are fishing lines and fish nets, which account for about 41% of litter by weight. If these materials are made biodegradable, even if they are released into the environment, they will be decomposed by microorganisms in the ocean, enabling resource recycling.
In general, plastics are classified into thermoplastics and thermosetting plastics.
However, biodegradable plastics include only thermoplastics.
This is because the film must decompose at a faster rate. Chemical structures that can be biodegradable include aliphatic polyesters and aliphatic polyamides, all of which are thermoplastics.
Plastics that are biodegradable include the following types:
PLA is a plant-derived plastic called polylactic acid and is classified as a bioplastic. It is mainly composed of starch from corn, sugar beets, potatoes, etc., and is biodegradable.
Cellulose acetate is made from wood-derived fibers and cotton. It is produced by esterification of the extracted cellulose with acetic acid. It is valued as a biomass resource because it is ultimately decomposed into water and carbon dioxide.
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Introduction
Plastic has woven itself into the fabric of modern life, offering convenience and revolutionizing industries. However, its pervasive use has resulted in a monumental problem: plastic pollution. In response, biodegradable plastic packaging has emerged as a potential solution. This article explores the concept, significance, mechanisms, applications, and promotion of biodegradable plastic packaging as we embark on a path to a cleaner, more sustainable future.
What is Biodegradable Plastic Packaging?
Biodegradable plastic packaging represents a crucial shift from conventional plastics. It's designed to naturally break down into harmless byproducts, thanks to the actions of microorganisms and environmental conditions. We delve into the diverse types of biodegradable plastics, exploring their unique characteristics and advantages over their non-biodegradable counterparts.
Why Biodegradable Plastic Packaging is Important
The urgency of adopting biodegradable plastic packaging is paramount due to the devastating effects of plastic pollution. Conventional plastics pose significant environmental threats, including their extended decomposition periods, harm to wildlife, and the creation of microplastics. Biodegradable plastics offer an eco-friendly alternative, reducing waste, carbon emissions, and ecological damage. This section underscores the pressing need to embrace eco-conscious packaging materials.
How Does Biodegradable Plastic Packaging Work?
A fundamental grasp of the science behind biodegradation is vital. We explore how biodegradable plastic packaging relies on the action of microorganisms and enzymes, whether in controlled composting facilities or natural environments. We also analyze the factors influencing the biodegradation process, from environmental conditions to material composition, providing insight into the mechanics of eco-friendly packaging.
Biodegradable Plastic Packaging in Practice
Real-world applications exemplify the viability of biodegradable plastic packaging. Its use spans various sectors, including food packaging, shopping bags, and disposable cutlery. However, challenges and limitations persist, such as the absence of standardized definitions and issues related to composting infrastructure. This section offers a comprehensive overview of the current state of biodegradable plastic packaging implementation and the hurdles it faces.
Promoting the Use of Biodegradable Plastic Packaging
Achieving widespread adoption of biodegradable plastic packaging demands concerted efforts from diverse stakeholders. Government regulations and incentives are pivotal, as they set the stage for systemic change. Simultaneously, consumer choices and corporate commitment to sustainable packaging practices play a vital role in advancing the cause. We examine these multifaceted factors and their influence on shaping a greener, more sustainable future.
Conclusion
Biodegradable plastic packaging represents a pivotal step toward mitigating the catastrophic environmental impact of traditional plastics. By understanding its importance, and functionality, and supporting its widespread adoption, we contribute to a cleaner, more sustainable future. The journey towards the universal use of biodegradable plastics is ongoing, but the rewards it promises are worth the collective effort.
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