Hybrid sealant composition
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United States of America Patent
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Feb 14, 2017
Grant Date -
Nov 6, 2014
app pub date -
Jun 16, 2012
filing date -
Jun 17, 2011
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Abstract
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.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- ILLINOIS TOOL WORKS INC.
International Classification(s)
- B60J:WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR S....
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- C09J:ADHESIVES; ADHESIVE PROCESSES IN GENERAL
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
- E06B:FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDING....
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- [Patents Count]
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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