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Performance properties of acrylic and acrylic polyol–polyurethane based hybrid system via addition of nano‐caco 3 and nanoclay
Author(s) -
Kapole Sameer A.,
Kulkarni Ravindra D.,
Sonawane Shirish H.
Publication year - 2011
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.20480
Subject(s) - polyurethane , materials science , hexamethylene diisocyanate , acrylic resin , acrylate , nanocomposite , polymer , nanomaterials , thermosetting polymer , ethyl acrylate , polyol , polymerization , methacrylate , polymer chemistry , chemical engineering , methyl methacrylate , composite material , copolymer , engineering , nanotechnology , coating
Thermosetting acrylic (TSA) resin was prepared by solution polymerisation of acrylic acid and methyl methacrylate (MMA). Hybrid polymer consisting of acrylic polyol–polyurethane was prepared by addition of hydroxy ethyl acrylate and hexamethylene diisocyanate (HMDI). Incorporation of Functionalised nanocalcium carbonate and bentonite nanoclay were accomplished by in situ method during the synthesis of both the polymers. Loading of nano‐CaCO 3 and nanoclay was varied from 0 to 4 wt.% to investigate variation in mechanical, optical and high performance properties. The superiority of nanoclay in enhancing the mechanical and performance properties like the salt spray and humidity resistance in comparison to that of nano‐CaCO 3 was clearly established. It was also observed that, addition of nanomaterials in hybrid resins system shows superior results compared to neat acrylic system and in situ additions of these nanomaterials improve the dispersion and stability in the matrix.