Abstract
A universal setup was developed and patented to produce polymer sheets corrugated by rolling. To calculate the basic process variables of the process of rolling by the setup, a method is proposed to consider the effect of the geometrical and kinematical parameters on the magnitude of the separating force being needed to roll the polymer with allowance for its rheological properties. Some features of the rolling process by corrugated rollers are studied. The viscous-flow and elastic properties of melts of various compositions of polyvinylchloride and low-density polyethylene are studied, the melt flow curves are constructed, and the melt swelling factors are determined. In a feed stock, the permissible moisture content is determined. The tensile strength of corrugated polyvinylchloride sheets is measured. With an increase in the density of the corrugated sheet material, the water absorption is demonstrated to decrease.
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