Term: impact-modified polymer
https://doi.org/10.1351/goldbook.IT07175

Definition:
Polymeric material whose impact resistance and toughness have been increased by the incorporation of phase microdomains of a rubbery material.

Note: An example is the incorporation of soft polybutadiene domains into glassy polystyrene to produce high-impact polystyrene.

Related Terms:
1) polymeric (http://doi.org/10.1351/goldbook.M03667).
2) resistance (http://doi.org/10.1351/goldbook.R05315).

Source: PAC, 2004, 76, 889. 'Definitions of terms relating to reactions of polymers and to functional polymeric materials (IUPAC Recommendations 2003)' on page 899 (https://doi.org/10.1351/pac200476040889)

Citation: 'impact-modified polymer' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.IT07175

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