| 摘要 |
The invention relates to a dispersion powder containing: a) at least one emulsion polymer from the group consisting of vinyl ester, vinyl ester/ethylene, vinyl chloride, (meth)acrylate, styrene/acrylate homopolymers or copolymers; b) 0 to 35 percent by weight, in relation to the overall mass of the polymer, of at least one spray adjuvant; c) 0.001 to 3 percent by weight, in relation to the overall mass of the polymer, of at least one water-soluble or water-insoluble optical brightener and d) 0 to 25 percent by weight, in relation to the overall mass of the polymer, of at least one anticaking agent. The invention also relates to a method for the production of said dispersion powder and to the utilization thereof.
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