Flexible abrasive article and methods of making and using the same
First Claim
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1. A flexible abrasive article comprising:
- a compressible backing having first and second opposed major surfaces;
an elastic polyurethane film affixed to at least a portion of the first major surface of the compressible backing; and
an abrasive layer affixed to at least a portion of the polyurethane film, the abrasive layer comprising abrasive particles and a binder.
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Abstract
Flexible abrasive article comprising a compressible backing having first and second opposed major surfaces; an elastic polyurethane film affixed to at least a portion of the first major surface of the compressible backing; an optional extensible tie layer affixed to at least a portion of the elastic polyurethane film; and an abrasive layer affixed to at least a portion of the optional extensible tie layer or elastic polyurethane film, the abrasive layer comprising abrasive particles and a binder. Methods of making and using the flexible abrasive article are also disclosed.
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Citations
47 Claims
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1. A flexible abrasive article comprising:
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a compressible backing having first and second opposed major surfaces;
an elastic polyurethane film affixed to at least a portion of the first major surface of the compressible backing; and
an abrasive layer affixed to at least a portion of the polyurethane film, the abrasive layer comprising abrasive particles and a binder. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method of making a flexible abrasive article, the method comprising:
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affixing an elastic polyurethane film to a first major surface of a compressible backing which also has an opposite second major surface;
applying a curable composition comprising a polymerizable binder precursor and abrasive particles to the elastic polyurethane film; and
at least partially curing the curable composition to provide an abrasive layer. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A method of making a flexible abrasive article, the method comprising:
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affixing an elastic polyurethane film to a first major surface of a compressible backing, which also has an opposite second major surface;
affixing an extensible tie layer to the polyurethane film;
applying a curable composition comprising a polymerizable binder precursor and abrasive particles to the extensible tie layer; and
at least partially curing the curable composition to provide an abrasive layer. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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Specification