Fiber size, sized reinforcements, and articles reinforced...

Details Fiber size, sized reinforcements, and articles reinforced... Fiber size, sized reinforcements, and articles reinforced...

C - Chemistry, Metallurgy

03

C

C03C 25/30 (2006.01) C08J 5/06 (2006.01) C08J 5/08 (2006.01)

Patent

CA 2585395

A fiber-size composition contains a modified polyolefin, a hydrophilic coupling agent, and an enhancer with at least one of the following: a fluorine- containing compound, a hydrophobic coupling agent, a cyclic fatty acid, or at least two saturated fatty acids with at least one of said fatty acids having at least two acid groups. When reinforcing fiber materials sized with the composition are used to form composite articles, the articles show improved properties such as strength and color.

L'invention concerne une composition d'encollage de fibre qui contient une polyoléfine modifiée, un agent de couplage hydrophile, et un renforceur qui comprend au moins un des éléments suivants : un composé contenant du fluor ; un agent de couplage hydrophobe ; un acide gras cyclique ; ou au moins deux acides gras saturés, au moins un des deux acides possédant au moins deux groupes acides. Lorsque les matériaux à fibres de renfort encollés avec ladite composition sont utilisés pour former des articles composites, lesdits articles présentent des propriétés de résistance et de couleur améliorées.

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