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US 9,314,903 B2Granted
Abrasive article
Assignee3M Innovative Properties Company
InventorsEdward J. Woo, Juan A. Munoz, Nataliya V. Fedorova, Mark W. Orlando, Charles J. Studiner, IV, Nicholas B. Manor
Life of this patent
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Abstract
An abrasive article useful for finishing painted or clear coated surfaces is disclosed. The abrasive article included a structured abrasive layer disposed on a backing that is adhesively attached to nonwoven layer useful for providing conformability and attachment to a hook layer. The structured abrasive layer includes a central aperture and a plurality of surrounding apertures.
Claims10
An abrasive article comprising:
- a structured abrasive layer attached to a first major surface of a backing, the structured abrasive layer comprising a plurality of abrasive composites formed from abrasive particles in a cross-linked binder;
- a nonwoven layer attached to a second major surface of the backing by an adhesive layer;
- the nonwoven layer comprising:
- a larger diameter fiber greater than or equal to 12 denier and 51 wt. % or more of the fibers of the nonwoven layer, and
- a smaller diameter fiber less than or equal to 9 denier and 49 wt. % or less of the fibers of the nonwoven layer;
- a central aperture and a plurality of surrounding apertures in the structured abrasive layer;
- the central aperture having a largest dimension from 8 mm to 20 mm, and
- the total open area of the central aperture and the plurality of surrounding apertures is greater than or equal to 140 mm2.
5 more elements
Dependencies are inferred from the claim text.