Abrasive article and manufacturing method therefor

Abstract

The present disclosure relates to an abrasive article with a cork backing layer. In addition, the present disclosure relates to a method for producing abrasive articles comprising a cork backing layer.

1 . An abrasive article comprising: a cork backing layer and an abrasive layer. 
     
     
         2 . The abrasive article of  claim 1  wherein a tie coat layer is disposed onto the cork backing layer, wherein the tie coat layer is between the cork backing layer and the abrasive layer. 
     
     
         3 . The abrasive article of  claim 1  wherein the abrasive layer comprises abrasive particles and at least one first binder. 
     
     
         4 . The abrasive article of  claim 1  wherein the abrasive layer comprises a microreplicated abrasive layer. 
     
     
         5 . The abrasive article of  claim 1  wherein the cork in the cork backing layer backing is selected from natural cork and cork particles with at least one second binder. 
     
     
         6 . The abrasive article of  claim 5  wherein the second binder is selected from rubber, asphalt, gypsum, adhesives, polymers or a mixture thereof. 
     
     
         7 . The abrasive article of  claim 6  wherein the cork particles in the cork backing layer is rubber-bonded cork, preferably wherein the rubber-bonded cork comprises neoprene, nitrile or a mixture thereof. 
     
     
         8 . The abrasive article of  claim 1  wherein the cork backing layer has a thickness of at least 0.1 mm, preferably at least 0.5 mm. 
     
     
         9 . The abrasive article of  claim 1  wherein the abrasive article is an abrasive belt having a continuous backing layer. 
     
     
         10 . The abrasive article of  claim 1  wherein the abrasive article is an abrasive disc. 
     
     
         11 . A method of making an abrasive article, the method comprising,
 introducing an abrasive slurry comprising abrasive particles onto a first surface of a cork backing layer   at least partially curing the abrasive slurry.   
     
     
         12 . The method of  claim 11  wherein a tie coat layer is disposed onto the first surface to the cork backing layer before the abrasive slurry is introduced. 
     
     
         13 . The method of  claim 11  wherein the abrasive slurry further comprises at least one first binder. 
     
     
         14 . The method of  claim 11  wherein the abrasive slurry is introduced onto a production tool or the production tool is introduced onto the abrasive slurry and wherein the abrasive article and the production tool are separated. 
     
     
         15 . The method of  claim 14  wherein the production tool has microreplicated features.