Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Production of continuous or running length
Patent
1987-07-02
1989-08-22
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Production of continuous or running length
2641761, 26421121, 264237, 4253261, 4253781, B29C 4786
Patent
active
048593982
ABSTRACT:
A method for the extrusion of polyethylene resins, especially linear low density polyethylene resins and; more particularly, a method of high shear extrusion through the intermediary of which the frequently encountered melt fracture; for instance, such as the sharkskin melt fracture of linear low density polyethylene can be either reduced or even completely eliminated by effecting the extrustion at a high shear rate or shear stress over the lip section of a tubular or sheet extrusion die.
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McKillop Alexander J.
Mobil Oil Corporation
Speciale Charles J.
Thurlow Jeffery
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