Overflademodificerede siliciumdioxider

Surface-modified silica prepared by a pyrogenic method is obtained by placing a silica, prepared by a pyrogenic method, in a known mixing apparatus, 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(...

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Bibliographic Details
Main Authors MEYER, JUERGEN, STUEBBE, ANDREAS, GUEBEL, THOMAS, DEUSSER, HANS, GUENTHER, MICHAEL
Format Patent
LanguageDanish
Published 20.07.1992
Edition5
Subjects
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
ADHESIVES
CHEMISTRY
CINEMATOGRAPHY
COMPOUNDS THEREOF
DYES
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
INORGANIC CHEMISTRY
MAGNETOGRAPHY
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-METALLIC ELEMENTS
ORGANIC CHEMISTRY
PAINTS
PHOTOGRAPHY
PHYSICS
POLISHES
PREPARATION OF CARBON BLACK
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Summary:Surface-modified silica prepared by a pyrogenic method is obtained by placing a silica, prepared by a pyrogenic method, in a known mixing apparatus, 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 thorough mixing, carrying out further mixing and heating the resulting mixture over a relatively long period.
Bibliography:Application Number: DK19900113839T