Invention Grant
- Patent Title: Nano phosphatic hybrid geopolymeric corrosion resistant coating material and a method of preparation thereof
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Application No.: US15461900Application Date: 2017-03-17
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Publication No.: US09938414B2Publication Date: 2018-04-10
- Inventor: Sudhir Sitaram Amritphale , Deepti Mishra , Archana Singh , Avneesh Anshul , Satyabrata Das
- Applicant: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
- Applicant Address: IN New Delhi
- Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
- Current Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
- Current Assignee Address: IN New Delhi
- Agency: Nixon Peabody LLP
- Agent Jeffrey L. Costellia
- Priority: IN201611009447 20160318
- Main IPC: C09D5/08
- IPC: C09D5/08 ; C09D101/02 ; C09D7/12 ; C08K13/02

Abstract:
The present invention provides a nano phosphatic hybrid geopolymeric corrosion resistant coating material. The tailored precursor of corrosion resistant coating material is obtained by a process involving, together dry grinding of raw materials fly ash, sodium hydroxide, rice husk, tri calcium phosphate and cetyl trimethyl ammonium bromide optionally with sodium silicate, in solid powder form. The developed coating material obtained by adding water to tailored precursor contains nano sized phosphatic compounds of Cancrisilite (sodium aluminum carbonate silicate hydrate), quartz, mullite, heamatite, sodium aluminum silicate, Herschelite (sodium aluminum silicate hydrate), Sucrose, α D-Glucose, Native cellulose, and phenol, responsible for providing improved corrosion resistant properties and adhesion to the mild steel substrates. The geo-polymeric coating material is used as an anti-corrosive, heat resistant coating material on various materials e.g. mild steel substrates.
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