Hips/zeolite hybrid composites as active packaging materials

Structure and functional properties

Csaba Kenyó, Károly Renner, J. Móczó, E. Fekete, Christoph Kröhnke, B. Pukánszky

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Desiccant composites were prepared from seven high impact polystyrene copolymers (HIPS) with different butadiene content and dispersed droplet size to study the effect of structure on their functional and application properties. A 4A type zeolite was used as desiccant. The thermodynamic analysis of structure development revealed that the embedding of the zeolite into the polybutadiene droplets is the thermodynamically favored process. Comparison of composite stiffness to theoretically predicted values indicated that considerable embedding occurs during composite preparation. The extent of embedding depends on zeolite content, but also on other factors like butadiene content and the droplet size of the elastomer. Composite stiffness and strength decreases with increasing extent of embedding, while functional properties are dominated by zeolite content. The initial rate of water adsorption increases, while overall rate decreases with increasing desiccant loading. Embedding influences only the initial rate of water adsorption which decreases slightly with increasing extent of encapsulation.

Original languageEnglish
Pages (from-to)88-94
Number of pages7
JournalEuropean Polymer Journal
Volume103
DOIs
Publication statusPublished - Jun 1 2018

Fingerprint

hybrid composites
Zeolites
Packaging materials
Hygroscopic Agents
packaging
embedding
desiccants
Composite materials
Butadiene
composite materials
butadiene
Stiffness
Elastomers
stiffness
Adsorption
Water
Polybutadienes
Polystyrenes
polybutadiene
Encapsulation

Keywords

  • Capacity and rate of water adsorption
  • Multifunctional composites (A)
  • Particle-reinforcement (A)
  • Physical properties (B)

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Polymers and Plastics
  • Organic Chemistry

Cite this

Hips/zeolite hybrid composites as active packaging materials : Structure and functional properties. / Kenyó, Csaba; Renner, Károly; Móczó, J.; Fekete, E.; Kröhnke, Christoph; Pukánszky, B.

In: European Polymer Journal, Vol. 103, 01.06.2018, p. 88-94.

Research output: Contribution to journalArticle

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