Recyclate-containing polypropylene compositions with low amounts of small molecule volatile organic compounds

Anthranilamide derivatives in polypropylene blends address the issue of VOCs in recycled polypropylene, enhancing mechanical properties and odor while being environmentally friendly.

WO2025242639A1PCT designated stage Publication Date: 2025-11-27BOREALIS GMBH
View PDF 12 Cites 0 Cited by

Patent Information

Application Number
PCT/EP2025/063770
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-05-22
Filing Date
2025-05-20
Publication Date
2025-11-27

AI Technical Summary

Technical Problem

Existing methods for recycling polypropylene materials face challenges in reducing volatile organic compounds (VOCs) such as aldehydes, alcohols, ketones, and aromatics, which affect the mechanical properties and odor of recycled polypropylene, and are often energy-intensive, failing to meet environmental sustainability goals.

Method used

Incorporating anthranilamide derivatives into polypropylene compositions, specifically in the form of a mixed-plastic polypropylene blend, to reduce VOCs like aldehydes, alcohols, and aromatics, while maintaining mechanical properties.

Benefits of technology

The addition of anthranilamide derivatives effectively lowers VOC levels, improving mechanical properties and odor, aligning with environmental sustainability by reducing energy consumption.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure IMGF000005_0001
    Figure IMGF000005_0001
  • Figure IMGF000006_0001
    Figure IMGF000006_0001
  • Figure IMGF000007_0001
    Figure IMGF000007_0001
Patent Text Reader

Abstract

The present invention relates to a polypropylene composition being a mixed-plastic polypropylene blend containing recycled material and to articles comprising said polypropylene composition.
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • Process for removing highly odorous components from particulate olefine polymers

    EP0004601A1

  • A procatalyst for polymerization of olefins containing a trans-esterification product of a lower alcohol and a phthalic acid ester

    EP0591224A1

  • Post-consumer recycled plastics

    EP0859809A1

  • Method for deodorizing polyolefin granulates

    EP0964877A1

  • Process for preparing polypropylene

    EP1028984A1