Journal of Polymer Research

, 14:489 | Cite as

Surface enrichment of polypropylene-graft-poly(methyl methacrylate) on polypropylene

  • Hanjia J. Chen
  • Yafei F. Zhu
  • Yi Zhang
  • Jiarui R. Xu
Article

Abstract

To overcome disadvantage of polypropylene induced by its low surface energy, poly(methyl methacrylate) was grafted onto polypropylene and entrapped into polypropylene as macromolecular surface modifier. The effects of copolymer structures, contact dies and content of modifiers on their surface enrichment were studied by attenuated total reflection infrared spectroscopy (ATR-FTIR), contact angle measurements (CDA) and scanning electron microscopy (SEM). Lower content and higher surface energy dies were in favor of the copolymer to enrich on the PP surface. PPw-g-PMMA with low PMMA graft density, long length of PMMA was distributed in PP with smaller phase domains and concentration gradient, especially at lower loadings in blends, which favored its selective enrichment on the surface of PP. The modified material exhibited excellent solvent-resistance. The results indicated that PPw-g-PMMA can transfer to the surface of blends and effectively increase the hydrophilicity of PP, which offer a convenient technique to functionalize the surface of polymers with lasting-effectiveness compared with modification by homopolymers.

Keywords

Polypropylene Polypropylene-graft-poly(methyl methacrylate) Macromolecular surface modifier Blend surface modification ATR-FTIR 

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Copyright information

© Springer Science+Business Media B.V. 2007

Authors and Affiliations

  • Hanjia J. Chen
    • 1
    • 2
  • Yafei F. Zhu
    • 3
  • Yi Zhang
    • 1
  • Jiarui R. Xu
    • 1
  1. 1.School of chemistry and chemical Engineering, Key Laboratory for Polymeric Composite and Functionality Materials of Education, Materials Science InstituteSun Yat-sen UniversityGuangzhouPeople’s Republic of China
  2. 2.School of ScienceShantou UniversityShantouPeople’s Republic of China
  3. 3.Instrument and Testing CenterSun Yat-sen UniversityGuangzhouPeople’s Republic of China

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