15. May 2024

Spunbond Nonwoven Suitable for Home Composting

Spunbond Nonwoven Suitable for Home Composting

Mitsui Chemicals Asahi Life Materials Co., Ltd. (Tokyo, Japan) has developed a spunbond nonwoven using a biodegradable plastic suitable for composting in domestic settings. The move comes in response to increasing global demand for home composting.

Mitsui Chemicals Asahi Life Materials intends to establish the production setup for regular and thermoformable grades of this nonwoven before the end of 2024. Applications being eyed cover a wide variety of industrial fields, including beverage filters and packaging materials that come into contact with food, along with agricultural materials.

The newly developed biodegradable plastic’s key feature is its capacity to decompose in a home composting environment at a temperature of around 28 degrees Celsius.

Biodegradable plastic
Biodegradable plastic has all the durability of ordinary plastic, but is broken down after use into water and carbon dioxide via the action of microorganisms found in nature. The material is attracting increasing attention due to the potential for its widespread use to reduce the environmental impact of plastic. Different biodegradable plastics are able to break down in compost, soil, water and other such environments, so each biodegradable plastic is categorized according to the specific environment in which it decomposes.

Home composting
Composting uses the power of fungi and other microorganisms to break down organic waste. Amid growing awareness of composting as a mechanism for turning kitchen waste, fallen leaves and more into fertilizer, concern about environmental issues is driving increased interest in the practice, especially in Western countries.

Biodegradable plastic composting includes “industrial composting”, which takes place at high temperatures in urban waste disposal facilities; and “home composting”, which takes place in ordinary household settings.

Mitsui Chemicals Asahi Life Materials intends to continue developing materials designed with eco-friendliness in mind, and aims to see such materials adopted in as many industries as possible.

Development of eco-friendly materials by Mitsui Chemicals Asahi Life Materials
Mitsui Chemicals Asahi Life Materials offers ECORISE, a range of environmentally friendly spunbond nonwovens made primarily from polylactic acid (PLA), a plant-derived biodegradable plastic. Able to decompose and be composted under industrial composting conditions, ECORISE meets standards* laid out by a number of domestic and foreign certification bodies, including the U.S.-based BPI, Austrian-based TÜV AUSTRIA (via its certification center in Belgium) and Japanese-based JBPA. This has seen the material receive certifications such as BiodegradablePla and BiomassPla.

The ability to bestow ECORISE with diverse properties – including high uniformity, breathability, flexibility and press molding compatibility – has seen it meet with high praise in a wide range of applications, from food packaging materials used in tea and coffee filters through to agricultural and industrial materials.

ECORISE PLA Spunbond Nonwoven Selected for Use in Yonex Tennis Racquet Packaging
(Press release dated January 18, 2024)


*BPI Certification: A biodegradability certification system managed by the U.S.-based Biodegradable Products Institute (BPI)
OK compost: A biodegradable plastic certification scheme managed by the Belgian-based certification center of Austrian testing, inspection and certification company TÜV AUSTRIA
BiodegradablePla (registration number 1174): A certification scheme managed by the Japan BioPlastics Association (JBPA)
BiomassPla (registration number 603): A certification scheme managed by the Japan BioPlastics Association (JBPA)

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