అవలోకనం
Stainless steels (SS) look attractive due to their lustre and texture depending on finishing process and are used in innumerable applications due to their strength, ease of formability and hardenability. Stainless steels get tarnished when used at high temperature and aluminium can easily corrode in a saline environment. Organic paints and toxic hexavalent chromium-based conversion coatings are conventionally being used to render corrosion protection. However, due to the toxic nature of hexavalent chromium, sol-gel coatings are considered as eco-friendly alternatives. Sol-gel glass like coatings developed by ARCI offer excellent abrasion resistance and protection against corrosion while being eco-friendly, maintaining transparency and gloss. These coatings offer excellent tarnish resistance up to 500oC and can even be made coloured by introducing suitable pigments
Key Features
- Suitable for application on Al alloys and SS
- Anti-fingerprint, easy-to-clean
- High scratch hardness and abrasion resistance
- High temperature tarnish protection
- Low temperature curable compositions used as replacement for chrome-free primers
- Protection against acid attack and ion leaching
Potential Applications
- Household appliances
- Medical/surgical instruments
- Automotive exhaust parts for motor cycles, cars etc.
- Architectural and interior decoration
స్థితి
- Performance and stability are validated at laboratory scale
- Scale-up and large area performance evaluated
Intellectual Property Development Index (IPDI)
Level
1
2
3
4
5
6
7
8
9
10
వివరణ
Basic concepts and understanding of underlying scientific principles
Shortlisting possible applications
Research to prove technical feasibility for targeted application
Coupon level testing in simulated conditions
Check repeatability/consistency
Prototype testing in real-life conditions
Check repeatability/consistency
Reassessing feasibility (IP, competition technology, commercial)
Initiate technology transfer
Support in stabilizing production
స్థితి
| Level | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|
| వివరణ | Basic concepts and understanding of underlying scientific principles | Shortlisting possible applications | Research to prove technical feasibility for targeted application | Coupon level testing in simulated conditions | Check repeatability/consistency | Prototype testing in real-life conditions | Check repeatability/consistency | Reassessing feasibility (IP, competition technology, commercial) | Initiate technology transfer | Support in stabilizing production |
| స్థితి |
|
|
|
|
|
|
For more details on Intellectual Property Development Indices, Click here
- An Improved Composition for Coating Metallic Surfaces and a Process for Coating such surfaces using the Composition, Indian patent application 620/DEL/2010 dtd 17-03-10.
- R. Subasri, A. Jyothirmayi and D.S. Reddy (2010): Effect of plasma surface treatment and heat treatment ambience on mechanical and corrosion protection properties of hybrid sol-gel coatings on aluminum” , Surface and Coatings Technology, 205, 806-813.
- P. Kiruthika, R. Subasri, A. Jyothirmayi, K. Sarvani, N.Y. Hebalkar (2010): Effect of Plasma Surface Treatment on Mechanical and Corrosion Protection Properties of UV-Curable Sol-Gel based GPTS-ZrO2 Coatings on Mild Steel, Surface and Coatings Technology, 204 1270-1276.