US2023116900A1PendingUtilityA1

Abrasive Article

Assignee: 3M INNOVATIVE PROPERTIES COMPANYPriority: Mar 18, 2020Filed: Mar 15, 2021Published: Apr 13, 2023
Est. expiryMar 18, 2040(~13.6 yrs left)· nominal 20-yr term from priority
B24D 18/0072B24D 3/002
57
PatentIndex Score
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Claims

Abstract

The disclosure relates to an abrasive article that includes a fabric substrate comprising strands forming first void spaces between the strands. The fabric substrate comprising an abrasive side and an attachment side. The abrasive article also includes a coating on the attachment side. The abrasive article also includes a make layer joined to the fabric substrate on the abrasive side. The abrasive article also includes abrasive particles joined to the make layer. The abrasive article also includes a plurality of second void spaces extending through the make layer coinciding with first void spaces in the fabric substrate. The coating on the fabric substrate is both hydrophobic and lipophobic. The attachment side of the fabric substrate is substantially free of make layer.

Claims

exact text as granted — not AI-modified
1 . An abrasive article comprising:
 a fabric substrate comprising strands forming first void spaces between the strands, the fabric substrate comprising an abrasive side and an attachment side;   a coating on the attachment side;   a make layer joined to the fabric substrate on the abrasive side;   abrasive particles joined to the make layer;   a plurality of second void spaces extending through the make layer coinciding with first void spaces in the fabric substrate; and   wherein the coating on the fabric substrate reduces the surface energy and features both hydrophobic and lipophobic properties, and wherein the attachment side of the fabric substrate is substantially free of make layer.   
     
     
         2 . The abrasive article of  claim 1 , wherein the coated attachment side includes one part of a two-part hook and loop attachment system. 
     
     
         3 . The abrasive article of  claim 1 , wherein the fabric substrate comprises a woven or knitted material. 
     
     
         4 . The abrasive article of  claim 1 , wherein the abrasive particles comprise shaped abrasive particles. 
     
     
         5 - 7 . (canceled) 
     
     
         8 . The abrasive article of  claim 1 , wherein the make coat comprises a resin or a hot melt. 
     
     
         9 . The abrasive article of  claim 1 , wherein the coating comprises applying a plasma treatment in a hydrophobic and lipophobic atmosphere. 
     
     
         10 . (canceled) 
     
     
         11 . The abrasive article of  claim 1 , wherein the coating comprises a hydrophobic and lipophobic chemical. 
     
     
         12 . The abrasive article of  claim 1 , wherein the chemical is a fluorinated compound, a silane or a silicone. 
     
     
         13 . The abrasive article of  claim 1 , wherein the coating comprises nanoparticles. 
     
     
         14 - 17 . (canceled) 
     
     
         18 . A method of making an abrasive article comprising:
 coating an attachment side of a fabric substrate with a hydrophobic coating material;   joining a make layer composition to the fabric substrate on an abrasive side of the fabric substrate; and   joining abrasive particles to the make layer composition;   wherein the fabric substrate comprises strands forming first void spaces between the strands.   
     
     
         19 . The method of  claim 18 , and further comprising curing the curable resin composition to provide a cured resin composition and, wherein the curing creates a plurality of second void spaces coinciding with first void spaces in the fabric substrate. 
     
     
         20 - 23 . (canceled) 
     
     
         24 . The method of  claim 18 , wherein the make coat comprises a resin or a hot melt. 
     
     
         25 . The method of  claim 18 , wherein the coating comprises a plasma treatment. 
     
     
         26 . The method of  claim 18 , wherein the coating comprises a fluorinated compound. 
     
     
         27 . (canceled) 
     
     
         28 . An abrasive article comprising:
 a fabric substrate comprising a plurality of strands forming first void spaces between the strands;   an adhesive layer comprising adhesive bonded to the plurality of strands; and   abrasive particles embedded within the adhesive layer.   
     
     
         29 . The abrasive article of  claim 28 , wherein the adhesive layer comprises a heat activated adhesive. 
     
     
         30 . The abrasive article of  claim 28 , wherein the abrasive particles comprise agglomerate abrasive particles, and wherein the agglomerate abrasive particles comprise shaped abrasive particles. 
     
     
         31 . The abrasive article of  claim 28 , wherein the adhesive layer is bonded to the plurality of strands on an adhesive side of the fabric substrate, and wherein, on an attachment side, the fabric substrate is coated with a hydrophobic coating. 
     
     
         32 . The abrasive article of  claim 31 , wherein the hydrophobic coating comprises a plasma treatment. 
     
     
         33 . The abrasive article of  claim 31 , wherein the hydrophobic coating comprises fluorinated compound. 
     
     
         34 - 40 . (canceled)

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