Compression molding of abrasive articles using water as a...

Details Compression molding of abrasive articles using water as a... Compression molding of abrasive articles using water as a...

B - Operations, Transporting

24

D

B24D 3/28 (2006.01) B24D 18/00 (2006.01)

Patent

CA 2228305

Uncured molded abrasive articles having low volatile organic chemical content are prepared using water as a temporary binder. The abrasive articles preferably contain a uniformly coated abrasive grain comprising a novolac resin having a phenol:formaldehyde ratio of 1:0.2 to 1:0.35 and containing less than 0.5 % free phenol.

Articles abrasifs moulés non cuits présentant une faible teneur en produits chimiques organiques volatils, qui sont préparés à l'aide d'eau en tant que liant temporaire. Lesdits articles abrasifs contiennent de préférence un grain abrasif les couvrant uniformément qui comprend une résine novolaque ayant un rapport phénol/formaldéhyde de 1/0,2 à 1/0,35 et contient moins de 0,5 % de phénol libre.

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