Polymer Bond Abrasive Articles Including Continuous Polymer Matrix, and Methods of Making Same
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United States of America Patent
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Issued Date -
Dec 15, 2022
app pub date -
Dec 4, 2020
filing date -
Dec 4, 2020
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Abstract
The present disclosure provides a polymer bond abrasive article formed of a continuous photocured polymer matrix having abrasive particles retained therein. The photocured polymer matrix includes at least one of an optical brightener or a light absorber, and the polymer bond abrasive article has a three-dimensional shape. An abrasive tool is also provided, including the abrasive article affixed to a shaft or a pad. Further, a method of making the polymer bond abrasive article is provided, including a) obtaining a photocurable composition liquid dispersion; b) selectively curing a portion of the photocurable composition; and repeating steps a) and b) to form the polymer bond abrasive article. The dispersion contains at least one photocurable component; abrasive particles; a photoinitiator; and at least one of an optical brightener or a light absorber.
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