IN296621: A process for the preparation of inorganic-organic hybrid sols and deposition of hard coatings on pp and pet substrates using these sols

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Inorganic-organic hybrid sols suitable for the deposition of thermal/UV-thermal curable hard and protective coatings on PP, PET, and related plastics (with primer coating for better adhesion) have been disclosed. Coatings of 1-5 Âµm thickness show high optical transparency and excellent abrasion, surface hardness (5-6H), and adhesion properties. Coating materials also have thermal, water, and chemical resistant characteristics under atmospheric conditions.

Patent No:: IN296621
Application No:: 2285DEL2011
Filing Date:: 12-08-2011
Issue Date:: 08-05-2018
Applicant:: CSIR–Central Glass & Ceramic Research Institute (CSIR–CGRI), kolkata
Inventor(s):: De Goutam, Medda Samar Kumar
IPC Classification:: C09B
Country:: India

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