(THE GIST OF PIB) PBAT

(MAY-2025)

PBAT

• Kamalpur Nagar Panchayat in Tripura has introduced compostable bags made from PBAT as a sustainable alternative to single-use plastic (SUP).

What is PBAT?

• PBAT (Polybutylene Adipate Terephthalate) is a biodegradable thermoplastic polymer used as an eco-friendly substitute for traditional plastics.

• It is a copolymer of adipic acid, 1,4-butanediol, and terephthalic acid and can be processed using conventional plastic manufacturing methods.

• PBAT is often blended with other biopolymers to enhance its mechanical and barrier properties.

Properties of PBAT

• 100% compostable – breaks down into water, CO₂, and biomass under industrial composting conditions within 180 days.

• Flexible and tough, making it ideal for bags, films, and packaging.

• It is moisture-resistant, chemically inert, and offers good barrier properties.

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Courtesy: PIB