Pipes made of polypropylene reinforced with carbon fibers

Details Pipes made of polypropylene reinforced with carbon fibers Pipes made of polypropylene reinforced with carbon fibers

C - Chemistry, Metallurgy

08

K

189/61, 400/6571

C08K 7/06 (2006.01) B29C 47/00 (2006.01) C08L 23/12 (2006.01) F16L 9/128 (2006.01) F24D 3/14 (2006.01)

Patent

CA 1202442

TITLE OF THE INVENTION: PIPES MADE OF POLYPROPYLENE REINFORCED WITH CARBON FIBERS ABSTRACT OF THE DISCLOSURE: Pipes of polypropylene reinforced with carbon fibers prepared by shaping a composite material comprising 100 parts by weight of polypropylene, 10 to 40 parts by weight of partially modified polypropylene by an organic unsaturated carboxylic acid or a copolymer of propylene and the organic unsaturated carboxylic acid and 5 to 70 parts by weight of carbon fibers of 5 to 30 micrometers in diameter and of a ratio of diameter to length of 10 or more than 10 are disclosed. The rate of maintaining its original tensile strength of the pipe in boiling water for 6 months at 100°C is higher than 95%.

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