Suspensions, a process for their preparation, and the use thereof
AssigneeBayer Aktiengesellschaft
InventorsStephan Kirchmeyer, Markus Mechtel, Michael Mager
Life of this patent
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Abstract
This invention relates to novel suspensions containing (a) 30 to 95 wt. % of water, (b) 70 to 5 wt. % of at least one silane or siloxane having at least two groups corresponding to formula (I) —(CH2)mSiRnX3-n (I) wherein R denotes C1-C18 alkyl and/or C6-C20 aryl, X denotes OH, C1-C4 alkoxy, C6-C20 aryloxy, C1-C6 acyloxy and/or hydrogen, m is 1 to 6, and n is 0 to 2, (c) 0.1 to 30 wt. % of at least one emulsifier, and (d) 0 to 20 wt. % of one or more additives and/or auxiliary substances, with the proviso that the sum of components (a) to (d) totals 100 wt. %. The present invention further relates to the preparation and use of such suspensions.
Claims7
A suspension comprising
- (a) 30 to 95 wt. % of water,
- (b) 70 to 5 wt. % of at least one silane or siloxane wherein the silane is a compound corresponding to formula (II)
- R14-pSi[Ot(CH2)mSiRnX3-n]p (II)
- wherein
- t is 0 or 1,
- p is 4, 3, or 2,
- m is 1 to 6,
- n is 0 to 2,
- R denotes C1-C18 alkyl or C6-C20 aryl,
- R1 denotes unsubstituted C1-C18 hydrocarbon or a C1-C18 hydrocarbon which contains at least O, N, S, or P, with each R1 being identical or different, and
- X denotes OH, C1-C4 alkoxy, C6-C20 aryloxy, C1-C6 acyloxy, or hydrogen,
- and wherein the siloxane has the formula (III)
- wherein
- a is 3 to 6,
- n is 0 to 2,
- m is 1 to 6,
- R is C1-C18 alkyl or C6-C20 aryl, and
- X is OH, C1-C4 alkoxy, C6-C20 aryloxy, C1-C6 acyloxy, or hydrogen, or a condensation product or partial condensation product thereof,
- (c) 0.1 to 30 wt. % of at least one emulsifier, and
- (d) 0 to 20 wt. % of one or more additives or auxiliary substances, with the proviso that the sum of components (a) to (d) totals 100 wt. %.
Dependencies are inferred from the claim text.