Reinforcing fibres and a method of producing same

Details Reinforcing fibres and a method of producing same Reinforcing fibres and a method of producing same

C - Chemistry, Metallurgy

04

B

18/541

C04B 16/06 (2006.01) D01D 5/42 (2006.01) D01F 1/10 (2006.01) D01F 6/46 (2006.01)

Patent

CA 1325087

ABSTRACT Reinforcing fibres made from polyolefin and polyolefin derivatives, the fibres having a thickness of 10-100 µm and containing inorganic particles of a size of 1-10 µm in an amount of at least 12% by weight, calculated on the total fibre weight, the particles being embedded in the polyolefin or polyolefin derivative, substantially none of the particles being exposed at fibre surfaces. The inorganic particles are preferably chalk or barium sulphate. The fibres are prepared from a fibrillated, stretched, blown or cast film, which may have been subjected to a surface treatment such as a corona treatment or application of avivage. The reinforcing fibers are useful in com- posite materials comprising an inorganic binder such as cement and puzzolane.

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