Biodegradable Plastics

Fully biodegradable plastics can be made from corn. These are called polylactic acid (PLA) plastics, which are derived from the sugars in corn and other plant materials. Corn is first processed to extract starch, which is then fermented to produce lactic acid. Through polymerization, lactic acid molecules are combined to form PLA. PLA is compostable under industrial conditions, breaking down into water, carbon dioxide, and organic materials, making it an eco-friendly alternative to petroleum-based plastics.

However, for optimal degradation, PLA typically requires specific conditions, such as high temperatures found in industrial composting facilities. In natural environments like soil or water, PLA may take longer to decompose.

Several companies produce biodegradable plastics made from corn, particularly PLA (polylactic acid). Some of the key companies include:

1. **NatureWorks LLC** – This is one of the leading companies producing PLA under the brand name *Ingeo*. NatureWorks uses corn as the primary feedstock for its bioplastics and supplies to various industries for packaging, food service products, and more.

2. **Total Corbion PLA** – A joint venture between Total and Corbion, this company specializes in producing high-quality PLA bioplastics from renewable resources, including corn.

3. **Biome Bioplastics** – This UK-based company develops bioplastics using renewable resources like corn starch. They produce compostable materials for use in packaging, coffee pods, and other applications.

4. **Danimer Scientific** – They produce various types of biodegradable plastics, including PLA, from renewable sources like corn. They are involved in packaging and other applications for sustainable alternatives to petroleum-based plastics.

These companies are contributing to a growing market for biodegradable plastics as sustainable alternatives to conventional plastics.

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