Bioplastics are rapidly emerging as an innovative solution for plastic sustainability.
FREMONT, CA: The emergence of so many new green technologies has put producers and consumers on the hook for determining which are greenwashing1 and which are real advances. Suppose a new development appears to be environmentally favorable. In that case, all stages of the plastics supply chain, especially converters, will need to learn how to incorporate the new technology without compromising the quality of their products or processes. From creation to degradation, plastic sustainability must be taken into account at every stage of the material life cycle. In terms of sustainability, both bio-based and biodegradable plastics possess potential advantages over conventional plastics. After all, they can both be recycled. However, to achieve the most sustainable solution, selecting the proper materials and conditions is necessary.
Manufacturing with Bio-Based Plastics
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The advantages of using bio-based plastics are their chemical properties and similar chemical structures to conventional plastics.2 Therefore, bio-based plastics are robust and durable, making them popular for products that require these properties. Replacing fossil-fuel plastic materials with bio-based plastics reduces our consumption of nonrenewable resources and is more sustainable long term. However, bio-based plastics could potentially pose the same sustainable disposal challenges encountered with conventional fossil-fuel plastics. Other challenges include analyzing the life cycle sustainability of bio-based ingredients and minimizing water and fuel consumption during farming.
It is possible to produce many biodegradable plastics from bio-based or fossil-derived materials (or a combination of both). Still, these materials need to be pre-tested before they can be used and designed for decomposition. Plastic manufacturers must ensure product performance and effective biodegradability when designing new blends.
The challenge for plastic processors is to design products that can withstand regular use and still degrade easily after disposal. Testing the material helps polymer scientists find formulations that meet all requirements throughout the life cycle of a polymer by balancing the necessary properties. Optimizing plastics for decomposition in composting facilities or landfills is easier with thermal analysis. Consumers can benefit from these measurements to ensure the proper disposal of products for decomposition. The mechanical analysis of plastics can also be used to measure their strength, endurance, and suitability for processing, use, and decomposition.
The material analysis must be carried out on any plastic feedstock to optimize processing conditions and performance at the end of the process. The most recent formulations of bioplastics require even more rigorous testing to ensure they meet user standards and remain as sustainable as possible.
The development of bio-based and biodegradable plastics poses new obstacles, but manufacturers are already rising to the challenge with cutting-edge material analysis services already in use. The ability to measure a material's composition and the material's behavior during every stage of the production process facilitates the design and production of new green plastic products that improve the environment.
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