Hybrid sealant composition

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United States of America Patent

PATENT NO 9567504
APP PUB NO 20140329947A1
SERIAL NO

14127128

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Abstract

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An acrylic-polyurethane hybrid sealant composition is provided with desirable physical and mechanical properties such as superior adhesion, tensile strength, rheology and bond strength. In particular, the sealant composition of the invention is formulated with isocyanate modified acrylic polymer The composition includes an acrylic pre-polymer, an isocyante functional monomer, a triacrylate as a cross-linker, and a catalyst. A process for preparing the composition is also provided. The hybrid sealant composition is well suited for sealing and bonding requirements in fabrication of articles such as window glazing, back bedding, construction, aerospace and appliances industries. A hybrid sealant composition is provided that develops adequate adhesion and bond strength equivalent to commercially available sealants when used in sealing and bonding applications and is readily formulated to be self-leveling. Articles so fabricated using the hybrid sealant composition are also provided.

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Patent Owner(s)

  • ILLINOIS TOOL WORKS INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chitnavis, Nagesh Andhra Pradesh, IN 5 15
Deshpande, Subodh Andhra Pradesh, IN 11 59
Kulkarni, Mona Andhra Pradesh, IN 5 11
Sahawneh, Nader Irving, US 1 5

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