US2023001541A1PendingUtilityA1
Abrasive article
Assignee: 3M INNOVATIVE PROPERTIES COMPANYPriority: Dec 9, 2019Filed: Dec 7, 2020Published: Jan 5, 2023
Est. expiryDec 9, 2039(~13.4 yrs left)· nominal 20-yr term from priority
Inventors:Junting LiJing ZhangLiming SongJimmy M. LeStephen M. SanockiYaohua GaoPaul J. CordesGregory S. MuellerErnest L. ThurberYuyang LiuJaime A. MartinezMichael J. Annen
B24D 11/02B24D 11/005B24D 3/007B24D 11/001B24D 3/004B24D 18/0072
53
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Claims
Abstract
An abrasive article is disclosed. The abrasive article has a backing substrate. The abrasive article also has a laminate joined to the backing substrate. The laminate comprises a hot melt polymer. The abrasive article also has a cured resin composition joined to the laminate opposite the backing substrate. The abrasive article also has abrasive particles joined to the cured resin composition.
Claims
exact text as granted — not AI-modified1 . An abrasive article comprising:
a backing substrate; a laminate joined to the backing substrate, wherein the laminate comprises a hot melt polymer; a cured resin composition joined to the laminate opposite the backing substrate; abrasive particles joined to the cured resin composition.
2 . The abrasive article of claim 1 , wherein the laminate at least partially wraps around the strands to leave open the first and second void spaces.
3 . The abrasive article of claim 1 , a wherein the laminate is joined to the backing substrate as a continuous sheet, an extruded film or a coating layer.
4 . (canceled)
5 . The abrasive article of claim 1 , wherein the substrate is treated with a primer treatment before or after the lamination and wherein the primer treatment is one of: a backsize layer, a presize layer, a tie layer, a saturant, a subsize treatment, a plasma treatment, a corona treatment, ultraviolet light exposure, electron beam exposure, a flame discharge, or a combination thereof.
6 . (canceled)
7 . The abrasive article of claim 1 , wherein the fabric substrate has a first stiffness and a second stiffness after the laminate is joined to the fabric stiffness, and wherein the second stiffness is equal to or higher than the first stiffness.
8 - 10 . (canceled)
11 . The abrasive article of claim 1 , wherein the backing substrate comprises a fabric comprising strands that form first void spaces between the strands, and wherein a plurality of second void spaces extend through the laminate and coincide with first void spaces in the fabric substrate.
12 - 14 . (canceled)
15 . The abrasive article of claim 1 , wherein the laminate comprises a material with a melting point between about 30° C. to about 220° C.
16 - 23 . (canceled)
24 . The abrasive article of claim 1 , wherein the laminate substantially prevents bleed-through of the resin to the backing substrate, such that the resin does not directly contact the backing substrate.
25 - 30 . (canceled)
31 . The abrasive article of claim 1 , wherein the laminate has adhesive promotion functionality with respect to the backing and a resin composition.
32 . The abrasive article of claim 1 , wherein the laminate is configured to bond both a backing substrate material and a resin composition.
33 . (canceled)
34 . A method of manufacturing a coated abrasive article, the method including:
providing a backing substrate; applying a thermoplastic laminate; applying a make resin; applying a plurality of abrasive particles.
35 - 36 . (canceled)
37 . The method of claim 34 , wherein applying the thermoplastic laminate comprises applying the laminate as a continuous sheet, a blown melty film, or an extrusion.
38 . The method of claim 34 , wherein the laminate is coextruded with the backing substrate.
39 - 49 . (canceled)
50 . The method of claim 34 , wherein the laminate comprises a material with a melting point between about 50° C. to about 150° C.
51 - 53 . (canceled)
54 . The method of claim 34 , wherein the cured resin substantially only contacts the laminate, such that the resin is substantially not in contact with the backing substrate.
55 - 57 . (canceled)Join the waitlist — get patent alerts
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