OPTICALLY CLEAR HYDROPHOBIC COATING COMPOSITION
An optically clear hydrophobic coating is prepared by combining in the prese nce of water fluorinated polysiloxane having multiple hydrolyzable side groups selected from the group including alkyl, aryl, or a lkoxy groups having from one to four carbon atoms, with polysiloxane, with polyester modifie...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | An optically clear hydrophobic coating is prepared by combining in the prese nce of water fluorinated polysiloxane having multiple hydrolyzable side groups selected from the group including alkyl, aryl, or a lkoxy groups having from one to four carbon atoms, with polysiloxane, with polyester modified polysiloxane, with acid, and with alco hol. The polysiloxane ingredients are combined and blend ed together. The acid and alcohol ingredients are combined together and mixed w ith the polysiloxane ingredients. The polysiloxane ingre dients undergo hydrolysis and polycondensation/polymerization reactions to form a f luorinated polyester modified polysiloxane polymer that when applied to a substrate surface cures at ambient temperatures to form a durab le, weather, chemical and heat resistant, optically clea r hydrophobic protective coating. |
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