Ultra-high-molecular-weight polyethylene solution

Details Ultra-high-molecular-weight polyethylene solution Ultra-high-molecular-weight polyethylene solution

C - Chemistry, Metallurgy

08

J

400/9422, 400/94

C08J 3/11 (2006.01) C08J 3/09 (2006.01) C08J 5/00 (2006.01) C10G 67/06 (2006.01)

Patent

CA 1296464

ABSTRACT OF THE DISCLOSURE The present application provides an ultra-high- molecular-weight polyethylene solution which is produced by the steps of subjecting a kerosene fraction having a boiling point of 160 to 300°C to a nucleus hydrogenation treatment at a pressure of 30 to 100 kg/cm2 at a temperature of 100 to 300°C in the presence of a metallic catalyst for nucleus hydrogenation of aromatic nuclei; separating and removing at least a part of n-paraffins present in the kerosene therefrom by the use of a molecular sieve made up of a synthesized zeolite in order to obtain a residual oil; fractionating the latter by a rectification apparatus to obtain a hydrocarbon mixture fraction which has a boiling point of 180 to 250°C and which is substantially free from naphthalene and biphenyl; and dissolving, in the hydrocarbon mixture fraction, an ultra-high-molecular-weight poly- ethylene having an intrinsic viscosity of 8 or more in decalin at 135°C.

541417

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