Nonwoven abrasive article and methods of making the same
Assignee3M Innovative Properties Company
InventorMichihiro Yamahara
Life of this patent
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Abstract
A nonwoven abrasive article includes a prebond composition disposed on a lofty open nonwoven fiber web, an abrasive layer disposed on and secured to at least a portion of the prebond composition. The abrasive layer comprises a binder composition retaining abrasive particles. At least one of the prebond composition and the binder composition comprises a reaction product of a polymer having a plurality of oxazolinyl groups. Methods of making the nonwoven abrasive article are also disclosed.
Claims22
A nonwoven abrasive article comprising:
- a lofty open nonwoven fiber web;
- a prebond composition disposed on at least a portion of the lofty open nonwoven fiber web,
- an abrasive layer disposed on and secured to at least a portion of the prebond composition, wherein the abrasive layer comprises a binder composition retaining abrasive particles, wherein at least one of the prebond composition and the binder composition comprises a reaction product of a polymer having a plurality of oxazolinyl groups.
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A method of making a nonwoven abrasive article, the method comprising:
- disposing a curable prebond precursor composition on at least a portion of a lofty open nonwoven fiber web,
- at least partially curing the curable prebond precursor composition to provide a prebond composition;
- disposing and securing an abrasive layer on at least a portion of the prebond composition, wherein the abrasive layer comprises a binder composition retaining abrasive particles;
- wherein at least one of the curable prebond precursor composition and the abrasive layer comprises a polymer having a plurality of oxazolinyl groups.
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Dependencies are inferred from the claim text.