Surface-modified silicon dioxides

Surface-modified, pyrogenically produced silicon dioxide is obtained by placing a pyrogenically produced silicon dioxide in a know mixing device, spraying it with a chemical compound from the group: CHF2-CF2-O-(CH2)3-Si(OCH3)3 CF3-CHF-CF2-O-(CH2)3-Si(OCH3)3 C4F9-CH2-CH2-Si(OCH3)3 C6F13-CH2-CH2-Si(OC...

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Bibliographic Details
Main Authors STUEBBE; ANDREAS, GUENTHER; MICHAEL, GOEBEL; THOMAS, MEYER; JUERGEN, DEUSSER; HANS
Format Patent
LanguageEnglish
Published 04.07.1995
Edition6
Subjects
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Summary:Surface-modified, pyrogenically produced silicon dioxide is obtained by placing a pyrogenically produced silicon dioxide in a know mixing device, spraying it with a chemical compound from the group: CHF2-CF2-O-(CH2)3-Si(OCH3)3 CF3-CHF-CF2-O-(CH2)3-Si(OCH3)3 C4F9-CH2-CH2-Si(OCH3)3 C6F13-CH2-CH2-Si(OCH3)3 with intensive mixing, subsequently mixing it and tempering the mixture obtained for a fairly long time.
Bibliography:Application Number: US19920957362