C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/1726, 18/628
C08L 23/02 (2006.01) C08J 5/18 (2006.01) C08K 5/00 (2006.01) C08K 5/13 (2006.01) C08L 23/06 (2006.01) D01F 6/04 (2006.01)
Patent
CA 1334459
The ultra-high-molecular-weight polyolefin compositions of the present invention contain an ultra- high-molecular-weight polyolefin, a diluent and a phenolic stabilizer in a specific ratio. The compositions may further contain at least one compound selected from the group consisting of an organic phosphite stabilizer, an organic thioether stabilizer, a hindered amine stabilizer and a metal salt of a higher fatty acid. The compositions are excellent in heat stability during molding as well as in long-term heat stability so that they are suitable for use in producing molded articles having molecular orientation, which have high tensile strength and high tensile modulus. Among them, the compositions containing the hindered amine stabilizer are excellent in weather resistance in particular.
600473
Ishiwatari Kazuo
Sakai Hideki
Mitsui Chemicals Incorporated
Smart & Biggar
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