申请人:E I DU PONT DE NEMOURS AND COMPANY
                            
                            
                                公开号:US20140154420A1
                            
                            
                                公开(公告)日:2014-06-05
                            
                            This invention is directed to a copolymer comprising fluorinated (met)acrylates, alkyl methacrylates, ethoxylates (meth)acrylates, and alkyl amino (meth)acrylates. These copolymers are capable of providing improved oil and water repellency to hard substrates while also maintaining its stability in a mixture of organic solvents.