Abstract
Rheological feature of casting polymerizable compositions based on the solutions of poly(vinyl butyral), di(1-methacryloxy-3-chloropropoxy-2-)methylphosphonate, and 2-hydroxypropyl methacrylate at various ratios, which manifests itself in a two-element mechanical model involving viscous strain and plastic yielding, has been determined. The viscosity values of the solutions have been determined from the dependences of shear stress on the shear rate in the temperature range of 30–80°C. It has been determined that the solutions with the specified ratio of FOM-II-to-HPMA and the content of high-molecular component represented by poly(vinyl butyral) from 1 to 5 wt % are most processible at 30°C.
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