Effects of accelerated aging and compatibilizers on the mechanical and morphological properties of polypropylene and poly(acrylonitrile-butadiene- styrene) blends

Yun Kyun Lee, Jae Bok Lee, Dong Hyup Park, Woo Nyon Kim

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The effects of maleic anhydride-grafted styrene-ethylene-butylene-styrene copolymer (SEBS-g-MAH) on the mechanical and morphological properties of polypropylene (PP) and poly(acrylonitrile-butadiene-styrene) (ABS) blends were investigated. Based on mechanical properties, including impact and tensile strengths, the PP/ABS (70/30) blends containing SEBS-g-MAH showed improved impact strength with minimal loss of tensile strength. As determined from morphological studies of the PP/ABS blends, addition of SEBS-g-MAH decreased PP/ABS blend droplet size more than the addition of SEBS. Additionally, the effects of SEBS-g-MAH and SEBS on the mechanical and morphological properties of the PP/ABS (70/30) blends were investigated during accelerated aging in an oven at 90°C for 72 h (one cycle). The impact strength of the PP/ABS (70/30) blends with SEBS-g-MAH (7 phr) decreased less than 10% after five cycles, but blends with SEBS (7 phr) and blends without compatibilizer decreased as much as 37%. The tensile strengths of the PP/ABS (70/30) blends after accelerated aging indicated a trend similar to that of the impact strength. The morphological studies indicated no significant changes in the PP/ABS (70/30) blends with SEBS-g-MAH; however, many cavities and damages were observed in the blend with SEBS. The above results suggest that SEBS-g-MAH acts as an impact modifier and as a good compatibilizer in the PP/ABS (70/30) blends.

Original languageEnglish
Pages (from-to)1032-1037
Number of pages6
JournalJournal of Applied Polymer Science
Volume127
Issue number2
DOIs
Publication statusPublished - 2013 Jan 15

Fingerprint

Acrylonitrile
Styrene
Compatibilizers
Polypropylenes
Butadiene
Aging of materials
Impact strength
Tensile strength
Maleic Anhydrides
ABS resin
1,3-butadiene
Ovens
Maleic anhydride
Ethylene
Copolymers
Mechanical properties

Keywords

  • accelerated aging
  • compatibility
  • mechanical property
  • morphology
  • polymer blends

ASJC Scopus subject areas

  • Materials Chemistry
  • Polymers and Plastics
  • Surfaces, Coatings and Films
  • Chemistry(all)

Cite this

Effects of accelerated aging and compatibilizers on the mechanical and morphological properties of polypropylene and poly(acrylonitrile-butadiene- styrene) blends. / Lee, Yun Kyun; Lee, Jae Bok; Park, Dong Hyup; Kim, Woo Nyon.

In: Journal of Applied Polymer Science, Vol. 127, No. 2, 15.01.2013, p. 1032-1037.

Research output: Contribution to journalArticle

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