| abstract |
The present invention relates to a kind of aqueous dispersion, and it includes at least one mixed polymer, wherein the mixed polymer can be prepared by the following procedureļ¼The aqueous dispersion of at least one polyurethane is provided, then it polymerize the mixture of ethylenically unsaturated monomer in the presence of the polyurethane, wherein using the addition of water soluble starter and ethylenically unsaturated monomer to be carried out in a manner of to cause the concentration in entirely reaction present invention solution to be no more than be 6.0 weight % based on ethylenically unsaturated monomer total amount, and the mixture of ethylenically unsaturated monomer includes at least one more ethylenically unsaturated monomers.The invention further relates to the aqueous dispersion to prepare the purposes in painting, prepare the method for the aqueous dispersion, include the priming paint of the aqueous dispersion, and the priming paint is for coating the purposes in body of a motor car and/or automobile body accessories. |