B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1026
B29C 43/22 (2006.01) B29C 55/00 (2006.01) B29C 55/04 (2006.01) B29C 55/18 (2006.01) C08J 3/00 (2006.01) C08J 3/09 (2006.01) C08J 5/18 (2006.01)
Patent
CA 2015506
A method for the continuous preparation of a polyethylene having high strength and high modulus of elasticity is here disclosed which comprises the steps of mixing 100 parts by weight of an ultra-high-molecular- weight polyethylene powder having an intrinsic viscosity of 5 to 50 dl/g in decalin at 135°C with 2 to 50 parts by weight of a liquid organic compound having a boiling point higher than the melting point of the polyethylene, feeding the resulting mixture to between a pair of upper and lower endless belts facing each other, continuously compression- molding the mixture at a temperature less than the melting point of the mixture by pressing means disposed inside the endless belts, and rolling and then drawing the same.
Iwanami Yoshimu
Jimbo Keiji
Kobayashi Seizo
Kurihara Kazuhiko
Mizoe Takashi
Nippon Mitsubishi Oil Corporation
Nippon Oil Co. Ltd.
Nippon Oil Corporation
Polymer Processing Research Institute Ltd.
Sim & Mcburney
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