A curable emulsion comprises: an oil phase comprising blocked polyisocyanate and curative; and an aqueous phase comprising at least partially neutralized crosslinked copolymer of monomers comprising at least one free-radically polymerizable carboxylic acid and at least one of an alkyl or alkaryl (meth)acrylate. In some embodiments, the curable emulsion further comprises nonionic surfactant. Methods of making the curable emulsions and their use in the manufacture of abrasive articles are also disclosed.
Nonwoven Abrasive Articles And Method Of Preparing Same
Yeun J. Chou - Woodbury MN John L. Erickson - late of White Bear Lake MN Thomas L. Jones - New Richmond WI Edward J. Woo - Woodbury MN
Assignee:
3M Innovative Properties Company - St. Paul MN
International Classification:
B24D 302 B24D 328 B24D 1100
US Classification:
51298
Abstract:
An abrasive article is provided having a rebulkable nonwoven web and a continuous sheet-like abrasive coating bonded to the first major surface of the nonwoven web. The abrasive coating comprising a plurality of abrasive particles dispersed in a binder.
Abrasive Article Having An Abrasive Coating Containing A Siloxane Polymer
Edward J. Woo - Woodbury MN Yeun J. Chou - Woodbury MN Scott K. Fraser - White Bear Lake MN
Assignee:
3M Innovative Properties Company - St. Paul MN
International Classification:
B24D 302 B24D 328 B24D 1100
US Classification:
51298
Abstract:
Structured abrasive articles having an abrasive coating including a binder which comprises the reaction product of a binder precursor and a reactive siloxane polymer are described as well as methods of making same. The reactive siloxane polymers have at least one functional group which is capable of reacting with the binder precursor.