Polyethylene crosslinkable composition
AssigneeUnion Carbide Chemicals & Plastics Technology Corporation
InventorsJeffrey Morris Cogen, Laurence Herbert Gross, Michael John Keogh, Joseph Anthony Obal
Life of this patent
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Abstract
A composition comprising: (a) polyethylene; (b) as a scorch inhibitor, [1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)-1,3,5-triazine-2,4,6-(1H,3H,5H)-trione]; and (c) an organic peroxide.
Claims11
A composition comprising:
- (a) polyethylene;
- (b) as a scorch inhibitor, [1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)-1,3,5-triazine-2,4,6-(1H,3H,5H)-trione];
- and
- (c) an organic peroxide.
A cable comprising one or more electrical conductors or a core of electrical conductors, each conductor or core being surrounded by a composition comprising:
- (a) a crosslinked polyethylene;
- and
- (b) [1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)-1,3,5- triazine-2,4,6-(1H,3H,5H)-trione].
A process for extrusion comprising extruding around one or more electrical conductors or a core of electrical conductors, at a temperature below the decomposition temperature of the organic peroxide, a composition comprising
- (a) polyethylene;
- (b) as a scorch inhibitor, [1,3,5-tris(4-tert-butyl-3-hydroxy-2,6- dimethylbenzy)-1,3,5-triazine-2,4,6-(1H,3H,5H)-trione];
- and
- (c) an organic peroxide, and curing the extrudate.
A composition comprising:
- (a) polyethylene;
- (b) as a scorch inhibitor, [1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)-1,3,5-triazine-2,4,6-(1H,3H,5H)-trione];
- (c) an organic peroxide;
- and
- (d) a thioester.
A cable comprising one or more electrical conductors or a core of electrical conductors, each conductor or core being surrounded by a composition comprising:
- (a) a crosslinked polyethylene;
- (b) [1,3,5-tris(4-tert-butyl-3-hydroxy-2,6dimethylbenzyl)-1,3,5- triazine-2,4,6-(1H,3H,5H) -trione];
- and
- (c) a thioester.
Dependencies are inferred from the claim text.