Invention Grant
- Patent Title: Aqueous composition and a method of producing durable and extremely efficient water repelling superhydrophobic materials at ambient condition thereof
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Application No.: US16163325Application Date: 2018-10-17
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Publication No.: US11242468B2Publication Date: 2022-02-08
- Inventor: Pradeep Thalappil , Avijit Baidya , Mohd. Azhardin Ganayee , Swathy Jakka Ravindran
- Applicant: INDIAN INSTITUTE OF TECHNOLOGY MADRAS
- Applicant Address: IN Chennai
- Assignee: INDIAN INSTITUTE OF TECHNOLOGY MADRAS
- Current Assignee: INDIAN INSTITUTE OF TECHNOLOGY MADRAS
- Current Assignee Address: IN Chennai
- Priority: IN201741036772 20171017
- Main IPC: C09D101/00
- IPC: C09D101/00 ; C09D101/02 ; C09D7/63 ; C09D7/61 ; C08B15/05 ; C08B15/06 ; C09D101/08 ; C09D5/16 ; C08K3/34 ; C08K9/06

Abstract:
The present invention relates to adurable and multifunctional superhydrophobic coating composition and water based fabrication method of producing the durable and multifunctional superhydrophobic coating composition via chemical modification and functionalization of hydrophilic material by silanes under room temperature without any organic solvents. Synthesis of chemically modified cellulose nanofibers or clay in water forms excellent water repelling thin films upon coating over various substrates. The super hydrophobic materials are used as additive for paints, pigments, paper, varnish and, textile and used for various industrial applications such as construction of buildings and other super structures.
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