Environment-friendly halogen-free flame-retardant ABS resin composite material and preparation method thereof

By introducing bio-based benzoxazine resin into ABS resin, and grafting and crosslinking reactions with ABS resin and flame retardant using its furan ring structure and phenolic hydroxy structure, the problems of poor flammability and carbon-forming properties of ABS resin are solved, and efficient halogen-free flame retardant and mechanical properties are improved.

CN119978700APending Publication Date: 2025-05-13NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG
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Patent Information

Application Number
CN202510094837.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2025-05-13

AI Technical Summary

Technical Problem

The poor flammability and carbon-forming properties of ABS resin lead to insufficient flame retardant performance, affecting fire safety.

Method used

Bio-based benzoxazine resin is used as the charcoal synergist, and the cross-linking density and flame retardant properties of the composite material are improved through grafting and cross-linking reactions with ABS resin and flame retardant.

Benefits of technology

The carbon-forming and flame retardant properties of ABS resin are significantly improved, the ultimate oxygen index (LOI) and vertical combustion test levels are improved, and the fire safety and mechanical properties are enhanced.

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Abstract

The invention relates to an environment-friendly halogen-free flame-retardant ABS (Acrylonitrile Butadiene Styrene) resin composite material and a preparation method thereof, the composite material contains 8-20 phr of bio-based benzoxazine resin based on 100 phr of ABS resin; by arranging the bio-based benzoxazine resin, the environment-friendly halogen-free flame-retardant ABS resin composite material can effectively improve the rigidity and toughness of the composite material while realizing efficient flame retardant property.
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Citation Information

Patent Citations

  • Biomass phenolphthalein-furfurylamine type benzoxazine resin and preparation method thereof

    CN108059701A

  • Biomass bisphenol acid-furfurylamine type benzoxazine resin and its preparation method

    CN108250382B

  • Monomers of bio-based benzoxazine resins, benzoxazine resins and their preparation methods

    CN111057050B