Aqueous sulfopolyurea colloidal dispersions, films and abrasive

Details Aqueous sulfopolyurea colloidal dispersions, films and abrasive Aqueous sulfopolyurea colloidal dispersions, films and abrasive

1997-07-28

2000-12-26

Lovering, Richard D.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

252311, 524840, B24D 328, B01J 1300, C08J 514

Patent

active

061652393

ABSTRACT:
The present invention relates to stable aqueous colloidal dipersions of sulfopolyureas and self supporting films formed from the dispersions which display good mechanical properties from about room temperature to temperatures exceeding 150.degree. C. The films of the invention, which are formed with no volatile organic compound (VOC) emissions and no post-coating chemical or ionic cross-linking, are not redispersible in water and may be used to form heat resistant abrasive articles.

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