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Home Uncategorized

ISRO technology for PDMS, used in making silicon carbide

by Sumedh
January 9, 2023
in Uncategorized
3 min read
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Polydimethylsilane (PDMS) (Raw material for polycarbosilane, a precursor of silicon carbide) Polydimethylsilane (PDMS) is a pre-ceramic polymer precursor developed by Indian Space Research Organisation at its Vikram Sarabhai Space Centre. PDMS finds use in the synthesis of polycarbosilane (PCS) – a well-known polymeric precursor for silicon carbide (SiC). PCS is prepared from PDMS by heating PDMS in an autoclave, or at normal pressure with a catalyst. PCS is a ceramic precursor useful in realizing C/SiC, C/C-SiC and SiC/SiC based thermo-structural components for re-usable launch vehicles, C/SiC turbine blades, and SiC fibers.  

Salient Features  

• Fine free flowing powder at room temperature.  

• It can be stored in sealed polyethylene bags at room temperature, away from direct sunlight, and has long shelf life.  

• PDMS is insoluble in water and other organic solvents such as Acetone, Cyclohexane, Ethyl Acetate, Toluene, Xylene. 

ISRO is willing to offer the knowhow of this technology to suitable entrepreneurs / industries in India. Capable manufacturing industries interested in acquiring this knowhow may write with details of their present activities, requirements and plans for implementation, infrastructure and technical expertise available with them, their own market assessment, if any, and plans for diversification to the address given below.  

For further details, contact: 

NewSpace India Limited (NSIL)  

Email: contact-nsil@isro.gov.in 

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