Nantong Rongdu Thread Co., Ltd.
Nantong Rongdu Thread Co., Ltd.

Biodegradation Characterization of PLA Yarns

In today's environmentally conscious world, the search for sustainable and biodegradable materials is becoming increasingly important. Among these materials, corn polylactic acid yarn (commonly known as PLA yarn) is a promising candidate. The purpose of this blog is to explore the biodegradable properties of PLA yarn and to highlight its potential for creating a more sustainable future.

Properties of PLA yarns

PLA yarn is derived from renewable resources, specifically corn starch. This biodegradable polymer is produced through a fermentation process, making it an environmentally friendly and sustainable material. The unique composition of PLA yarn allows it to naturally degrade under certain conditions, making it a viable alternative to traditional synthetic yarns.

Biodegradation Process

Biodegradation of PLA yarn is achieved through the action of microorganisms such as bacteria and fungi. These microorganisms secrete enzymes that break down the polymer chains of PLA and eventually convert it into carbon dioxide, water, and biomass. The rate of biodegradation depends on a number of factors, including temperature, humidity, and the presence of suitable microorganisms.

A study conducted by researchers at a university found that PLA yarn degraded faster in soil containing active microorganisms than in soil with limited microbial activity. This finding suggests that the biodegradation of PLA yarns is accelerated in an environment that supports microbial growth.

Applications and Benefits

The biodegradability of PLA fibers including PLA short fiber opens up a wide range of potential applications in various industries. For example, in the textile industry, PLA yarns can be used to create garments and accessories that are not only fashionable but also environmentally friendly. These products can be disposed of in compostable waste streams, thereby reducing the burden on landfills and promoting a circular economy.

In addition, the use of PLA yarns in packaging and disposables can significantly reduce plastic waste. PLA packaging materials are easy to recycle or compost, thereby reducing the environmental pollution caused by plastics.

In addition to its environmental benefits, PLA yarn has excellent performance characteristics. It is robust and suitable for a wide range of applications that require high-quality materials. Its biocompatibility also makes it a potential candidate for medical applications such as sutures and implants.


The biodegradability of corn polylactic acid yarn (PLA yarn) makes it an important addition to the sustainable material pool. Its ability to naturally degrade under certain conditions reduces the environmental impact of waste disposal and contributes to a more circular economy. As we continue to explore the potential of this remarkable material, we can expect sustainable products and practices to become the standard of the future.