B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 55/02 (2006.01) D01F 6/04 (2006.01) D01F 6/06 (2006.01)
Patent
CA 2070925
A stretched molded article of ultra-high-molecular- weight polypropylene having an intrinsic viscosity [?] of at least 4 dl/g, which has a degree of orientation of not less than 0.930 when obtained as a degree of orientation by an X-ray diffraction half-width, two or more of peak positions (melting points) within the temperature region of not lower than 180°C when measured by a differential scanning calorimeter, and an amount of output energy of not less than 1 kgfm/g after 10-time repetition under a load of 50% of the breaking strength.
Fukui Akio
Kouya Masahiro
Ogawa Masahiro
Yagi Kazuo
Mitsui Chemicals Incorporated
Smart & Biggar
LandOfFree
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