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Are biodegradable plastic tubes suitable for long – term storage?

As a supplier of biodegradable plastic tubes, I often encounter inquiries from customers about the suitability of these tubes for long – term storage. In this blog, I will delve into the scientific aspects to answer this question comprehensively. Biodegradable Plastic Tubes

Understanding Biodegradable Plastic Tubes

Biodegradable plastic tubes are made from polymers that can be broken down by natural processes over time. These polymers are often derived from renewable resources such as corn starch, sugarcane, or other plant – based materials. The main advantage of biodegradable plastics is their environmental friendliness. Unlike traditional plastics, which can persist in the environment for hundreds of years, biodegradable plastics can be decomposed into natural substances like water, carbon dioxide, and biomass under the right conditions.

However, the very characteristic that makes them environmentally friendly – their ability to break down – also raises concerns about their long – term storage capabilities. When considering long – term storage, we need to look at several factors including the chemical stability of the biodegradable plastics, the storage conditions, and the nature of the contents inside the tubes.

Chemical Stability of Biodegradable Plastics

The chemical stability of biodegradable plastic tubes is a key factor in determining their suitability for long – term storage. Different types of biodegradable polymers have different levels of chemical stability. For example, polylactic acid (PLA), one of the most common biodegradable polymers, has relatively good chemical stability under normal conditions. It can resist a wide range of chemicals and has low water absorption, which is beneficial for protecting the contents inside the tubes.

On the other hand, some biodegradable polymers may be more susceptible to degradation due to their chemical structure. For instance, polyhydroxyalkanoates (PHA) are highly biodegradable and can be easily attacked by microorganisms and enzymes. If the storage environment is rich in these biological agents, the PHA – based tubes may start to degrade prematurely.

In general, the chemical stability of biodegradable plastics can be affected by factors such as temperature, humidity, and exposure to light. High temperatures can accelerate the degradation process, as they provide more energy for chemical reactions. Similarly, high humidity can increase the water content in the plastic, which may lead to hydrolysis and other degradation mechanisms. Ultraviolet (UV) light can also cause photodegradation, breaking the polymer chains and weakening the structure of the tubes.

Storage Conditions

The storage conditions play a crucial role in determining whether biodegradable plastic tubes are suitable for long – term storage. Here are some important aspects of storage conditions:

Temperature

As mentioned earlier, temperature has a significant impact on the degradation of biodegradable plastics. For most biodegradable plastic tubes, a moderate temperature range is recommended. Generally, storing the tubes at temperatures between 10°C and 30°C is ideal. If the temperature is too high, say above 40°C, the degradation rate can increase significantly. On the other hand, extremely low temperatures may make the plastic more brittle, which can lead to cracking and damage to the tubes.

Humidity

Humidity is another important factor. Biodegradable plastics can absorb water, and high humidity levels can promote hydrolysis and microbial growth. To prevent this, it is advisable to store the tubes in a dry environment with a relative humidity of less than 60%. If the humidity is too high, the plastic may become soft and lose its mechanical strength, making it less suitable for long – term storage.

Light Exposure

Exposure to light, especially UV light, can cause degradation of biodegradable plastics. Therefore, it is best to store the tubes in a dark place or use opaque packaging to protect them from light. If the tubes are to be stored in a warehouse, it is important to ensure that the lighting system does not emit a significant amount of UV light.

Air Quality

The air quality in the storage area can also affect the biodegradable plastic tubes. Air pollutants such as ozone and certain chemicals can react with the plastic and cause degradation. It is important to keep the storage area well – ventilated and free from pollutants.

Nature of the Contents

The nature of the contents inside the biodegradable plastic tubes also affects their long – term storage suitability. If the contents are reactive chemicals, they may interact with the plastic and cause degradation. For example, some acidic or alkaline substances can corrode the plastic, leading to a loss of integrity of the tubes.

On the other hand, if the contents are stable and non – reactive, such as dry powders or inert gases, the tubes are more likely to be suitable for long – term storage. It is also important to consider the compatibility of the plastic with the contents. Some biodegradable plastics may be more compatible with certain types of substances than others. For example, PLA – based tubes are generally compatible with a wide range of food products, while PHA – based tubes may be more suitable for certain pharmaceutical applications.

Case Studies and Research Findings

Several studies have been conducted to evaluate the long – term storage performance of biodegradable plastic tubes. One study found that PLA – based tubes stored at room temperature and low humidity for up to two years showed only minimal changes in their mechanical properties. The tubes maintained their shape and strength, and there was no significant degradation of the plastic.

Another study focused on the storage of food products in biodegradable plastic tubes. It was found that when the tubes were properly sealed and stored under suitable conditions, the food products remained fresh and the tubes did not show any signs of degradation. This indicates that biodegradable plastic tubes can be suitable for long – term storage of certain types of food products.

However, these studies also highlighted the importance of proper storage conditions. When the tubes were exposed to high temperatures, humidity, or light, the degradation rate increased significantly.

Conclusion

In conclusion, biodegradable plastic tubes can be suitable for long – term storage under the right conditions. The chemical stability of the plastic, the storage conditions, and the nature of the contents all play important roles. If the tubes are made from polymers with good chemical stability, stored in a suitable environment (moderate temperature, low humidity, and protection from light), and filled with non – reactive contents, they can maintain their integrity for an extended period.

As a supplier of biodegradable plastic tubes, I am committed to providing high – quality products that meet the needs of our customers for long – term storage. We use advanced manufacturing techniques to ensure the chemical stability of our tubes, and we can provide guidance on proper storage conditions.

Lotion Tube If you are interested in purchasing biodegradable plastic tubes for long – term storage applications, I encourage you to contact us for a detailed discussion. We can help you select the most suitable type of tube based on your specific requirements and provide you with all the necessary information to ensure the successful long – term storage of your products.

References

  • Auras, R., Harte, B., & Selke, S. (2004). An overview of polylactides as packaging materials. Macromolecular Bioscience, 4(9), 835 – 864.
  • Vert, M., Feijen, J., & Albertsson, A. C. (2012). Biodegradable polymers. Progress in Polymer Science, 37(8), 1023 – 1079.
  • Wiles, D. M., & Scott, G. (1979). Photodegradation, photo – oxidation and photostabilization of polymers – a review. Journal of Polymer Science: Polymer Chemistry Edition, 17(12), 3581 – 3603.

Yangzhou NewGreatWall Plastic Co., Ltd.
Yangzhou NewGreatWall Plastic Co., Ltd. is one of the most professional biodegradable plastic tubes manufacturers and suppliers in China, specialized in providing high quality custom service. We warmly welcome you to wholesale biodegradable plastic tubes for sale here from our factory. Contact us for quotation.
Address: No.12 Tongzhou Road, Hangji Industrial Park, Yangzhou, Jiangsu
E-mail: sales@ngwpack.com
WebSite: https://www.cosmeticplastictube.com/