Abstract
AbstractCombined with the Serial Rubber Continuous Mixing Device (SRCMD) and custom‐built rotors, the real continuous regeneration of waste rubber was realized. The upstream mixer effectively solves the problem of pretreatment of waste rubber and realizes its preliminary regeneration. The downstream twin‐screw extruder realizes supplementary regeneration and plasticized extrusion of waste rubber. The optimal process parameters for preparing SRCMD‐reclaimed rubber were explored through orthogonal experiments. Compared to the commercially‐reclaimed rubber produced by the traditional vulcanization tank high‐temperature regeneration method, the SRCMD‐reclaimed rubber well retains the main chain structure of waste rubber and has obvious advantages in various properties. The conveyor belt coverings made by partially replacing styrene butadiene rubber with SRCMD‐reclaimed rubber fully meet the requirements of the national standard in all properties and are better than commercially‐reclaimed rubber, which has good application prospects and provides a guide for promoting the industrial transformation of recycled rubber.
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