Interrelations between processing, orientation and shrinkage in low density polyethylene blown films. IV. Study of shrinkage Étude des relations entre mise en forme, orientation et rétraction dans des films de polyéthylène basse densité réalisés par soufflage de gaine IV. Étude de la rétraction

Abstract : Interrelations between processing, orientation and shrinkage in low density polyethylene blown films. IV. Study of shrinkage. In this last paper, the shrinkage properties of the blown films are investigated. It appears that they are governed by the orientation of the crystalline phase. A good correlation between the cumulated strains during processing and the amounts of shrinkage is found.