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US 2003/0158322 A1Published application
Mixtures of aqueous binders
AssigneeBayer Aktiengesellschaft
InventorsThorsten Rische, Detlef-Ingo Schutze, Jurgen Meixner, Tillmann Hassel, Roland Komorek, Lutz Schmalstieg
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Abstract
The present invention relates to aqueous silica sol-modified PU dispersions and their use as coating materials, in particular [lacuna] textiles and leather.
Claims5
An aqueous, silica sol-modified PU dispersion comprising a combination of
- A) 40-95% of a non-alkoxysilane-modified PU dispersion and
- B) 5-60% of a silica sol dispersion,
- the stated percentages being based on the weight of nonvolatile fractions and summing to 100% by weight.
The use of silica sol-modified PU dispersions as coating materials, binders and covering materials of textiles and leather.
Dependencies are inferred from the claim text.