Resource scarcity and environmental pollution are important issues for people to realize the concept of sustainable development in the 21st century, and biotechnology will become one of the core skills to solve this problem. Among the many factors that cause environmental pollution, the ecological crisis caused by plastic waste has aroused widespread concern in the society. Next, let's look at the environmental improvement of biodegradable plastics. Biodegradable plastics are those that can be dissolved by microorganisms in the soil ply. With the help of bacteria or their hydrolytic enzymes, these substances may be dissolved in carbon dioxide, water, cell data and salts, and they may be completely dissolved by microorganisms and reintroduced into the ecosystem. It is the focus of research and development around the world.
Therefore, biodegradable plastics usually refer to new plastics that have a certain impact toughness and can be completely or partially dissolved in the natural environment by bacteria, molds, algae and other microorganisms without causing environmental pollution. Biodegradation occurs when bacteria or their hydrolytic enzymes break down polymers into small molecule fragments, and the bacteria then dissolves into chemicals such as carbon dioxide and water.
For degradable materials, different products have been developed and produced at this stage: first, degradable epoxy resin and base material include fully biodegradable epoxy resin, photobiological double-degradable base material and composite degradation base material. Secondly, biodegradable plastic products include compost bags, garbage bags, shopping bags, electronic product packaging, agricultural packaging, tableware, golf nails and foam plastics. Plastic products usually include shopping bags, garbage bags and office supplies.
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