Polyblend

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As a polyblend or polymer blend refers to mixtures of two or more different polymers . The properties of the resulting plastics differ significantly from those of the original polymers . With this purely physical mixture, no new chemical bonds are created between the macromolecules .

recognition

Polyblends are identified in the abbreviation by a “ + ” placed between the components . In contrast, sequential letter sequences are used in copolymers .

Classification

  • Miscible polymer blends are homogeneous mixtures of compatible polymers, such as. B. polyamide 6 (PA6) and polyamide 10 (PA10).
  • Compatible polymer blends are mixtures of partially or partially compatible polymers, such as. B. polystyrene (PS) and polyphenylene ether (PPE).
  • Immiscible polymer blends are heterogeneous mixtures of incompatible polymers (multiphase mixtures), such as. B. polystyrene (PS) or styrene-acrylonitrile copolymer with rubber .

Examples

Individual evidence

  1. Entry on polymer blend . In: IUPAC Compendium of Chemical Terminology (the “Gold Book”) . doi : 10.1351 / goldbook.P04736 Version: 2.3.3.
  2. Entry on homogeneous polymer blend . In: IUPAC Compendium of Chemical Terminology (the “Gold Book”) . doi : 10.1351 / goldbook.HT07582 Version: 2.3.3.
  3. Entry on compatible polymer blend . In: IUPAC Compendium of Chemical Terminology (the “Gold Book”) . doi : 10.1351 / goldbook.CT07581 Version: 2.3.3.
  4. Entry on immiscible polymer blend . In: IUPAC Compendium of Chemical Terminology (the “Gold Book”) . doi : 10.1351 / goldbook.IT07240 Version: 2.3.3.