Graft-modified ultrahigh-molecular-weight polyethylene and proce

Details Graft-modified ultrahigh-molecular-weight polyethylene and proce Graft-modified ultrahigh-molecular-weight polyethylene and proce

1985-08-28

1986-10-07

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

264176F, 264176R, 2642105, 2642106, 2642108, 524210, 524284, 524318, 524354, 524356, 524379, 524392, 525285, 525301, C08K 501

Patent

active

046160590

ABSTRACT:
A graft-modified ultrahigh-molecular-weight polyethylene obtained by grafting (A) an ultrahigh-molecular-weight polyethylene having an inherent viscosity [.eta.], determined at 135.degree. C. in decalin, of at least 5 dl/g with (C) an unsaturated carboxylic acid graft-copolymerizable therewith or its graft-copolymerizable derivative, under melt-kneading condition in the presence of (B) an aliphatic compound having a melting point, determined by the DSC method, of at least 10.degree. C. and a boiling point of at least 130.degree. C., an amount of the component (C) grafted in said graft-modified ultrahigh-molecular-weight polyethylene being 0.01 to 10% by weight, and said graft-modified ultrahigh-molecular-weight polyethylene being substantially free of an insoluble gel product and having a tensile strength of at least 1.0 GPa; and a process for producing the same.

REFERENCES:
patent: 3928497 (1975-12-01), Ohmori et al.
patent: 4134927 (1979-01-01), Tomoshige et al.
patent: 4489194 (1984-12-01), Hayashi

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