Premium
Interfacial adhesion enhancement of polyethylene–polypropylene mixtures by adding synthesized diisocyanate compatibilizers
Author(s) -
Ubonnut Lerdlaksana,
Thongyai Supakanok,
Praserthdam Piyasan
Publication year - 2007
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.25945
Subject(s) - polypropylene , materials science , copolymer , polyethylene , polymer chemistry , adhesion , fourier transform infrared spectroscopy , composite material , crystallization , polymer blend , compatibilization , polymer science , chemical engineering , polymer , engineering
Abstract Immiscible and incompatible binary blends of commercial polypropylene (PP)/polyethylene (PE) display poor mechanical properties. The addition of compatibilizer to reinforce and enhance an adhesion at the interfaces between PE–PP mixtures has been conducted. The compatibilizer chosen was in the group of Ziegler–Natta's PE–PP block copolymer with diisocyanate linkage. The effects of adding the compatibilizers were assessed by morphology studies, thermal analysis, and mechanical testing. DSC curves of crystallization and FTIR provided evidences to support the formation of PP/PE block copolymer. Significant improvements in the mechanical properties of 50/50 PE/PP blends containing compatibilizer have been noted. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 104: 3766–3773, 2007