Effect of miscibility on barrier and mechanical properties of PS/poly(ethylene-co-acrylic acid) composite latex

Jin Sup Shin, In Woo Cheong, Doug Youn Lee, Joong In Kim, Jung Hyun Kim

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The effects of miscibility enhancement between polystyrene (PS) and poly(ethylene-co-acrylic acid) (EAA) on dynamic mechanical properties, barrier property, and tensile strength were investigated. Ethylene-modified latexes were prepared by the emulsion polymerization of styrene using EAA, [Mn: 18 800; acid number: 140], as a polymeric emulsifier. The EAA-grafted-PS in-situ-formed during the emulsion polymerization lead to the improvement of miscibility between PS and EAA. The dynamic mechanical properties of the ethylene-modified PS films exhibited a single glass transition temperature (Tg) value, thus conforming to the law of miscibility. The grafted and anchoring EAA molecules onto PS particles resulted in significant increase of chemical resistance. Additionally, the tensile strength property was improved for the ethylene-modified PS system due to the enhanced compatibility between PS and EAA, compared with simple blends.

Original languageEnglish
Pages (from-to)155-160
Number of pages6
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Volume207
Issue number1-3
DOIs
Publication statusPublished - 2002 Jul 30

Bibliographical note

Funding Information:
This research was supported by the Korea Institute of Science & Technology Evaluation and Planning (National Research Laboratory Program, project number 2000-N-NL-01-C-032).

All Science Journal Classification (ASJC) codes

  • Surfaces and Interfaces
  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

Fingerprint Dive into the research topics of 'Effect of miscibility on barrier and mechanical properties of PS/poly(ethylene-co-acrylic acid) composite latex'. Together they form a unique fingerprint.

Cite this