Vinylmethoxypolysiloxane

A siloxane of the formula wherein n has a value of from 0.15 to 0.5, can be made by subjecting vinyltrichlorosilane to methanolysis, partially hydrolysing and condensing the methanolysis product and neutralizing the resulting product. Examples are given. Uses: for water-proofing particulate materia...

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Bibliographische Detailangaben
1. Verfasser:	SPALDING DAVID P
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A siloxane of the formula wherein n has a value of from 0.15 to 0.5, can be made by subjecting vinyltrichlorosilane to methanolysis, partially hydrolysing and condensing the methanolysis product and neutralizing the resulting product. Examples are given. Uses: for water-proofing particulate materials. Example 4 illustrates the use of these siloxanes in the coating of white roofing granules for making asphalt shingles. Specification 771,844 is referred to.