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US 2007/0178303 A1Published application
Metallocene produced polyethylene for fibres applications
AssigneeATOFINA Research S.A.
InventorsEric Maziers, Vincent Stephenne
Life of this patent
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Abstract
The present invention provides monofilaments or stretched tapes, unwoven or woven into raffia, prepared with metallocene-produced polyethylene having long chain branches.
Claims20
1-8. (canceled)
Monofilaments or stretched tapes, unwoven or woven into raffia prepared from a metallocene-produced polyethylene resin having long chain branches.
A process for preparing stretched tapes that comprises the steps of:
- (a) providing a metallocene-produced medium density polyethylene resin having long chain branches;
- (b) producing a film from the polyethylene resin of step (a);
- (c) orienting the film obtained from step (b) by stretching;
- (d) cutting the film of step (b) into strips;
- and
- (e) optionally, annealing the stretched tapes.
3 more elements
Dependencies are inferred from the claim text.