| 摘要 |
The present invention relates to a) a stable aqueous dispersion of polymer particles having i) polyurea macromer; and ii) one or more structural units of acrylate, methacrylate, vinyl ester, styrene monomer or combinations thereof; and/or b) a composition including i) polyurea macromer particles and ii) an aqueous mixture of acrylate, methacrylate, vinyl ester, styrenic polymer particles or combinations thereof, wherein the polyurethane macromer is specified by chemical formula I. In chemical formula I, A^1, A^2, R^1, R^2 and R^3 are as defined in the specification. Another aspect of the present invention relates to the compound represented by chemical formula I. The composition manufactured using the compound according to the present invention can be used to form a low-temperature film and form a coating with excellent balance between rigidity and flexibility. |
