| 摘要 |
<p>Disclosed is an abrasive product comprising: (a) a plurality of abrasive particles; and (b) an aldehyde resin cured with a polythiol group selected from the group consisting of trimethylolpropane tri(3-mercaptopropionate), trimethylolpropane tri(2-mercaptoacetate), pentaerythritol tetra(3-mercaptopropionate), pentaerythritol tetra(2-mercaptoacetate), polyol-3-mercaptopropionates, polyol-2-mercaptoacetates, polyester-3-mercaptopropionates, polyester-2-mercaptoacetates, and ethoxylated trimethylolpropane tri(3-mercaptopropionate), and a method of preparing the abrasive product and a method of abrading a work surface with the product. Also disclosed is a curable composition, comprising: (a) a formaldehyde resin; and (b) a polythiol group selected from the group consisting of trimethylolpropane tri(3-mercaptopropionate), trimethylolpropane tri(2-mercaptoacetate), pentaerythritol tetra(3-mercaptopropionate), pentaerythritol tetra(2-mercaptoacetate), polyol-3-mercaptopropionates, polyol-2-mercaptoacetates, polyester-3-mercaptopropionates, polyester-2-mercaptoacetates and ethoxylated trimethylolpropan tri-3-mercaptopropionate, a method of crosslinking the formaldehyde resin composition and a crosslinked formaldehyde resin composition.</p> |
